From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- mesalib/src/mesa/drivers/common/driverfuncs.c | 658 ++--- mesalib/src/mesa/drivers/dri/common/dri_util.c | 2080 +++++++------- mesalib/src/mesa/drivers/dri/common/dri_util.h | 1126 ++++---- mesalib/src/mesa/drivers/dri/common/spantmp2.h | 1872 ++++++------- mesalib/src/mesa/drivers/dri/common/texmem.c | 2682 +++++++++--------- mesalib/src/mesa/drivers/dri/swrast/swrast.c | 1640 +++++------ mesalib/src/mesa/drivers/windows/gdi/mesa.def | 1712 ++++++------ mesalib/src/mesa/drivers/windows/gdi/wgl.c | 1368 +++++----- mesalib/src/mesa/drivers/windows/gdi/wmesa.c | 3316 +++++++++++------------ mesalib/src/mesa/drivers/windows/gdi/wmesadef.h | 86 +- 10 files changed, 8270 insertions(+), 8270 deletions(-) (limited to 'mesalib/src/mesa/drivers') diff --git a/mesalib/src/mesa/drivers/common/driverfuncs.c b/mesalib/src/mesa/drivers/common/driverfuncs.c index 63df03f5d..36ed4f892 100644 --- a/mesalib/src/mesa/drivers/common/driverfuncs.c +++ b/mesalib/src/mesa/drivers/common/driverfuncs.c @@ -1,329 +1,329 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#include "main/glheader.h" -#include "main/imports.h" -#include "main/arrayobj.h" -#include "main/context.h" -#include "main/framebuffer.h" -#include "main/mipmap.h" -#include "main/queryobj.h" -#include "main/renderbuffer.h" -#include "main/shaderobj.h" -#include "main/texcompress.h" -#include "main/texformat.h" -#include "main/texgetimage.h" -#include "main/teximage.h" -#include "main/texobj.h" -#include "main/texstore.h" -#include "main/bufferobj.h" -#include "main/fbobject.h" -#include "main/samplerobj.h" -#include "main/syncobj.h" -#include "main/texturebarrier.h" -#include "main/transformfeedback.h" - -#include "program/program.h" -#include "tnl/tnl.h" -#include "swrast/swrast.h" - -#include "driverfuncs.h" -#include "meta.h" - - - -/** - * Plug in default functions for all pointers in the dd_function_table - * structure. - * Device drivers should call this function and then plug in any - * functions which it wants to override. - * Some functions (pointers) MUST be implemented by all drivers (REQUIRED). - * - * \param table the dd_function_table to initialize - */ -void -_mesa_init_driver_functions(struct dd_function_table *driver) -{ - memset(driver, 0, sizeof(*driver)); - - driver->GetString = NULL; /* REQUIRED! */ - driver->UpdateState = NULL; /* REQUIRED! */ - driver->GetBufferSize = NULL; /* REQUIRED! */ - driver->ResizeBuffers = _mesa_resize_framebuffer; - driver->Error = NULL; - - driver->Finish = NULL; - driver->Flush = NULL; - - /* framebuffer/image functions */ - driver->Clear = _swrast_Clear; - driver->Accum = _swrast_Accum; - driver->RasterPos = _tnl_RasterPos; - driver->DrawPixels = _swrast_DrawPixels; - driver->ReadPixels = _swrast_ReadPixels; - driver->CopyPixels = _swrast_CopyPixels; - driver->Bitmap = _swrast_Bitmap; - - /* Texture functions */ - driver->ChooseTextureFormat = _mesa_choose_tex_format; - driver->TexImage1D = _mesa_store_teximage1d; - driver->TexImage2D = _mesa_store_teximage2d; - driver->TexImage3D = _mesa_store_teximage3d; - driver->TexSubImage1D = _mesa_store_texsubimage1d; - driver->TexSubImage2D = _mesa_store_texsubimage2d; - driver->TexSubImage3D = _mesa_store_texsubimage3d; - driver->GetTexImage = _mesa_meta_GetTexImage; - driver->CopyTexSubImage1D = _mesa_meta_CopyTexSubImage1D; - driver->CopyTexSubImage2D = _mesa_meta_CopyTexSubImage2D; - driver->CopyTexSubImage3D = _mesa_meta_CopyTexSubImage3D; - driver->GenerateMipmap = _mesa_meta_GenerateMipmap; - driver->TestProxyTexImage = _mesa_test_proxy_teximage; - driver->CompressedTexImage1D = _mesa_store_compressed_teximage1d; - driver->CompressedTexImage2D = _mesa_store_compressed_teximage2d; - driver->CompressedTexImage3D = _mesa_store_compressed_teximage3d; - driver->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d; - driver->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d; - driver->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d; - driver->GetCompressedTexImage = _mesa_get_compressed_teximage; - driver->BindTexture = NULL; - driver->NewTextureObject = _mesa_new_texture_object; - driver->DeleteTexture = _mesa_delete_texture_object; - driver->NewTextureImage = _mesa_new_texture_image; - driver->FreeTextureImageBuffer = _mesa_free_texture_image_data; - driver->MapTextureImage = _swrast_map_teximage; - driver->UnmapTextureImage = _swrast_unmap_teximage; - driver->MapTexture = NULL; - driver->UnmapTexture = NULL; - driver->TextureMemCpy = memcpy; - driver->IsTextureResident = NULL; - - /* Vertex/fragment programs */ - driver->BindProgram = NULL; - driver->NewProgram = _mesa_new_program; - driver->DeleteProgram = _mesa_delete_program; - - /* simple state commands */ - driver->AlphaFunc = NULL; - driver->BlendColor = NULL; - driver->BlendEquationSeparate = NULL; - driver->BlendFuncSeparate = NULL; - driver->ClearColor = NULL; - driver->ClearDepth = NULL; - driver->ClearStencil = NULL; - driver->ClipPlane = NULL; - driver->ColorMask = NULL; - driver->ColorMaterial = NULL; - driver->CullFace = NULL; - driver->DrawBuffer = NULL; - driver->DrawBuffers = NULL; - driver->FrontFace = NULL; - driver->DepthFunc = NULL; - driver->DepthMask = NULL; - driver->DepthRange = NULL; - driver->Enable = NULL; - driver->Fogfv = NULL; - driver->Hint = NULL; - driver->Lightfv = NULL; - driver->LightModelfv = NULL; - driver->LineStipple = NULL; - driver->LineWidth = NULL; - driver->LogicOpcode = NULL; - driver->PointParameterfv = NULL; - driver->PointSize = NULL; - driver->PolygonMode = NULL; - driver->PolygonOffset = NULL; - driver->PolygonStipple = NULL; - driver->ReadBuffer = NULL; - driver->RenderMode = NULL; - driver->Scissor = NULL; - driver->ShadeModel = NULL; - driver->StencilFuncSeparate = NULL; - driver->StencilOpSeparate = NULL; - driver->StencilMaskSeparate = NULL; - driver->TexGen = NULL; - driver->TexEnv = NULL; - driver->TexParameter = NULL; - driver->Viewport = NULL; - - /* buffer objects */ - _mesa_init_buffer_object_functions(driver); - - /* query objects */ - _mesa_init_query_object_functions(driver); - - _mesa_init_sync_object_functions(driver); - - driver->NewFramebuffer = _mesa_new_framebuffer; - driver->NewRenderbuffer = _mesa_new_soft_renderbuffer; - driver->RenderTexture = _swrast_render_texture; - driver->FinishRenderTexture = _swrast_finish_render_texture; - driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer; - driver->ValidateFramebuffer = _mesa_validate_framebuffer; - - driver->BlitFramebuffer = _swrast_BlitFramebuffer; - - _mesa_init_texture_barrier_functions(driver); - - /* APPLE_vertex_array_object */ - driver->NewArrayObject = _mesa_new_array_object; - driver->DeleteArrayObject = _mesa_delete_array_object; - driver->BindArrayObject = NULL; - - _mesa_init_shader_object_functions(driver); - - _mesa_init_transform_feedback_functions(driver); - - _mesa_init_sampler_object_functions(driver); - - /* T&L stuff */ - driver->NeedValidate = GL_FALSE; - driver->ValidateTnlModule = NULL; - driver->CurrentExecPrimitive = 0; - driver->CurrentSavePrimitive = 0; - driver->NeedFlush = 0; - driver->SaveNeedFlush = 0; - - driver->ProgramStringNotify = _tnl_program_string; - driver->FlushVertices = NULL; - driver->SaveFlushVertices = NULL; - driver->NotifySaveBegin = NULL; - driver->LightingSpaceChange = NULL; - - /* display list */ - driver->NewList = NULL; - driver->EndList = NULL; - driver->BeginCallList = NULL; - driver->EndCallList = NULL; -} - - -/** - * Call the ctx->Driver.* state functions with current values to initialize - * driver state. - * Only the Intel drivers use this so far. - */ -void -_mesa_init_driver_state(struct gl_context *ctx) -{ - ctx->Driver.AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); - - ctx->Driver.BlendColor(ctx, ctx->Color.BlendColor); - - ctx->Driver.BlendEquationSeparate(ctx, - ctx->Color.Blend[0].EquationRGB, - ctx->Color.Blend[0].EquationA); - - ctx->Driver.BlendFuncSeparate(ctx, - ctx->Color.Blend[0].SrcRGB, - ctx->Color.Blend[0].DstRGB, - ctx->Color.Blend[0].SrcA, - ctx->Color.Blend[0].DstA); - - if (ctx->Driver.ColorMaskIndexed) { - GLuint i; - for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { - ctx->Driver.ColorMaskIndexed(ctx, i, - ctx->Color.ColorMask[i][RCOMP], - ctx->Color.ColorMask[i][GCOMP], - ctx->Color.ColorMask[i][BCOMP], - ctx->Color.ColorMask[i][ACOMP]); - } - } - else { - ctx->Driver.ColorMask(ctx, - ctx->Color.ColorMask[0][RCOMP], - ctx->Color.ColorMask[0][GCOMP], - ctx->Color.ColorMask[0][BCOMP], - ctx->Color.ColorMask[0][ACOMP]); - } - - ctx->Driver.CullFace(ctx, ctx->Polygon.CullFaceMode); - ctx->Driver.DepthFunc(ctx, ctx->Depth.Func); - ctx->Driver.DepthMask(ctx, ctx->Depth.Mask); - - ctx->Driver.Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); - ctx->Driver.Enable(ctx, GL_BLEND, ctx->Color.BlendEnabled); - ctx->Driver.Enable(ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled); - ctx->Driver.Enable(ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled); - ctx->Driver.Enable(ctx, GL_CULL_FACE, ctx->Polygon.CullFlag); - ctx->Driver.Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); - ctx->Driver.Enable(ctx, GL_DITHER, ctx->Color.DitherFlag); - ctx->Driver.Enable(ctx, GL_FOG, ctx->Fog.Enabled); - ctx->Driver.Enable(ctx, GL_LIGHTING, ctx->Light.Enabled); - ctx->Driver.Enable(ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag); - ctx->Driver.Enable(ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag); - ctx->Driver.Enable(ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled); - ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil._Enabled); - ctx->Driver.Enable(ctx, GL_TEXTURE_1D, GL_FALSE); - ctx->Driver.Enable(ctx, GL_TEXTURE_2D, GL_FALSE); - ctx->Driver.Enable(ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE); - ctx->Driver.Enable(ctx, GL_TEXTURE_3D, GL_FALSE); - ctx->Driver.Enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); - - ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); - { - GLfloat mode = (GLfloat) ctx->Fog.Mode; - ctx->Driver.Fogfv(ctx, GL_FOG_MODE, &mode); - } - ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); - ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); - ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); - - ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); - - { - GLfloat f = (GLfloat) ctx->Light.Model.ColorControl; - ctx->Driver.LightModelfv(ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f); - } - - ctx->Driver.LineWidth(ctx, ctx->Line.Width); - ctx->Driver.LogicOpcode(ctx, ctx->Color.LogicOp); - ctx->Driver.PointSize(ctx, ctx->Point.Size); - ctx->Driver.PolygonStipple(ctx, (const GLubyte *) ctx->PolygonStipple); - ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, - ctx->Scissor.Width, ctx->Scissor.Height); - ctx->Driver.ShadeModel(ctx, ctx->Light.ShadeModel); - ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT, - ctx->Stencil.Function[0], - ctx->Stencil.Ref[0], - ctx->Stencil.ValueMask[0]); - ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, - ctx->Stencil.Function[1], - ctx->Stencil.Ref[1], - ctx->Stencil.ValueMask[1]); - ctx->Driver.StencilMaskSeparate(ctx, GL_FRONT, ctx->Stencil.WriteMask[0]); - ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, ctx->Stencil.WriteMask[1]); - ctx->Driver.StencilOpSeparate(ctx, GL_FRONT, - ctx->Stencil.FailFunc[0], - ctx->Stencil.ZFailFunc[0], - ctx->Stencil.ZPassFunc[0]); - ctx->Driver.StencilOpSeparate(ctx, GL_BACK, - ctx->Stencil.FailFunc[1], - ctx->Stencil.ZFailFunc[1], - ctx->Stencil.ZPassFunc[1]); - - - ctx->Driver.DrawBuffer(ctx, ctx->Color.DrawBuffer[0]); -} +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "main/glheader.h" +#include "main/imports.h" +#include "main/arrayobj.h" +#include "main/context.h" +#include "main/framebuffer.h" +#include "main/mipmap.h" +#include "main/queryobj.h" +#include "main/renderbuffer.h" +#include "main/shaderobj.h" +#include "main/texcompress.h" +#include "main/texformat.h" +#include "main/texgetimage.h" +#include "main/teximage.h" +#include "main/texobj.h" +#include "main/texstore.h" +#include "main/bufferobj.h" +#include "main/fbobject.h" +#include "main/samplerobj.h" +#include "main/syncobj.h" +#include "main/texturebarrier.h" +#include "main/transformfeedback.h" + +#include "program/program.h" +#include "tnl/tnl.h" +#include "swrast/swrast.h" + +#include "driverfuncs.h" +#include "meta.h" + + + +/** + * Plug in default functions for all pointers in the dd_function_table + * structure. + * Device drivers should call this function and then plug in any + * functions which it wants to override. + * Some functions (pointers) MUST be implemented by all drivers (REQUIRED). + * + * \param table the dd_function_table to initialize + */ +void +_mesa_init_driver_functions(struct dd_function_table *driver) +{ + memset(driver, 0, sizeof(*driver)); + + driver->GetString = NULL; /* REQUIRED! */ + driver->UpdateState = NULL; /* REQUIRED! */ + driver->GetBufferSize = NULL; /* REQUIRED! */ + driver->ResizeBuffers = _mesa_resize_framebuffer; + driver->Error = NULL; + + driver->Finish = NULL; + driver->Flush = NULL; + + /* framebuffer/image functions */ + driver->Clear = _swrast_Clear; + driver->Accum = _swrast_Accum; + driver->RasterPos = _tnl_RasterPos; + driver->DrawPixels = _swrast_DrawPixels; + driver->ReadPixels = _swrast_ReadPixels; + driver->CopyPixels = _swrast_CopyPixels; + driver->Bitmap = _swrast_Bitmap; + + /* Texture functions */ + driver->ChooseTextureFormat = _mesa_choose_tex_format; + driver->TexImage1D = _mesa_store_teximage1d; + driver->TexImage2D = _mesa_store_teximage2d; + driver->TexImage3D = _mesa_store_teximage3d; + driver->TexSubImage1D = _mesa_store_texsubimage1d; + driver->TexSubImage2D = _mesa_store_texsubimage2d; + driver->TexSubImage3D = _mesa_store_texsubimage3d; + driver->GetTexImage = _mesa_meta_GetTexImage; + driver->CopyTexSubImage1D = _mesa_meta_CopyTexSubImage1D; + driver->CopyTexSubImage2D = _mesa_meta_CopyTexSubImage2D; + driver->CopyTexSubImage3D = _mesa_meta_CopyTexSubImage3D; + driver->GenerateMipmap = _mesa_meta_GenerateMipmap; + driver->TestProxyTexImage = _mesa_test_proxy_teximage; + driver->CompressedTexImage1D = _mesa_store_compressed_teximage1d; + driver->CompressedTexImage2D = _mesa_store_compressed_teximage2d; + driver->CompressedTexImage3D = _mesa_store_compressed_teximage3d; + driver->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d; + driver->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d; + driver->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d; + driver->GetCompressedTexImage = _mesa_get_compressed_teximage; + driver->BindTexture = NULL; + driver->NewTextureObject = _mesa_new_texture_object; + driver->DeleteTexture = _mesa_delete_texture_object; + driver->NewTextureImage = _mesa_new_texture_image; + driver->FreeTextureImageBuffer = _mesa_free_texture_image_data; + driver->MapTextureImage = _swrast_map_teximage; + driver->UnmapTextureImage = _swrast_unmap_teximage; + driver->MapTexture = NULL; + driver->UnmapTexture = NULL; + driver->TextureMemCpy = memcpy; + driver->IsTextureResident = NULL; + + /* Vertex/fragment programs */ + driver->BindProgram = NULL; + driver->NewProgram = _mesa_new_program; + driver->DeleteProgram = _mesa_delete_program; + + /* simple state commands */ + driver->AlphaFunc = NULL; + driver->BlendColor = NULL; + driver->BlendEquationSeparate = NULL; + driver->BlendFuncSeparate = NULL; + driver->ClearColor = NULL; + driver->ClearDepth = NULL; + driver->ClearStencil = NULL; + driver->ClipPlane = NULL; + driver->ColorMask = NULL; + driver->ColorMaterial = NULL; + driver->CullFace = NULL; + driver->DrawBuffer = NULL; + driver->DrawBuffers = NULL; + driver->FrontFace = NULL; + driver->DepthFunc = NULL; + driver->DepthMask = NULL; + driver->DepthRange = NULL; + driver->Enable = NULL; + driver->Fogfv = NULL; + driver->Hint = NULL; + driver->Lightfv = NULL; + driver->LightModelfv = NULL; + driver->LineStipple = NULL; + driver->LineWidth = NULL; + driver->LogicOpcode = NULL; + driver->PointParameterfv = NULL; + driver->PointSize = NULL; + driver->PolygonMode = NULL; + driver->PolygonOffset = NULL; + driver->PolygonStipple = NULL; + driver->ReadBuffer = NULL; + driver->RenderMode = NULL; + driver->Scissor = NULL; + driver->ShadeModel = NULL; + driver->StencilFuncSeparate = NULL; + driver->StencilOpSeparate = NULL; + driver->StencilMaskSeparate = NULL; + driver->TexGen = NULL; + driver->TexEnv = NULL; + driver->TexParameter = NULL; + driver->Viewport = NULL; + + /* buffer objects */ + _mesa_init_buffer_object_functions(driver); + + /* query objects */ + _mesa_init_query_object_functions(driver); + + _mesa_init_sync_object_functions(driver); + + driver->NewFramebuffer = _mesa_new_framebuffer; + driver->NewRenderbuffer = _mesa_new_soft_renderbuffer; + driver->RenderTexture = _swrast_render_texture; + driver->FinishRenderTexture = _swrast_finish_render_texture; + driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer; + driver->ValidateFramebuffer = _mesa_validate_framebuffer; + + driver->BlitFramebuffer = _swrast_BlitFramebuffer; + + _mesa_init_texture_barrier_functions(driver); + + /* APPLE_vertex_array_object */ + driver->NewArrayObject = _mesa_new_array_object; + driver->DeleteArrayObject = _mesa_delete_array_object; + driver->BindArrayObject = NULL; + + _mesa_init_shader_object_functions(driver); + + _mesa_init_transform_feedback_functions(driver); + + _mesa_init_sampler_object_functions(driver); + + /* T&L stuff */ + driver->NeedValidate = GL_FALSE; + driver->ValidateTnlModule = NULL; + driver->CurrentExecPrimitive = 0; + driver->CurrentSavePrimitive = 0; + driver->NeedFlush = 0; + driver->SaveNeedFlush = 0; + + driver->ProgramStringNotify = _tnl_program_string; + driver->FlushVertices = NULL; + driver->SaveFlushVertices = NULL; + driver->NotifySaveBegin = NULL; + driver->LightingSpaceChange = NULL; + + /* display list */ + driver->NewList = NULL; + driver->EndList = NULL; + driver->BeginCallList = NULL; + driver->EndCallList = NULL; +} + + +/** + * Call the ctx->Driver.* state functions with current values to initialize + * driver state. + * Only the Intel drivers use this so far. + */ +void +_mesa_init_driver_state(struct gl_context *ctx) +{ + ctx->Driver.AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); + + ctx->Driver.BlendColor(ctx, ctx->Color.BlendColor); + + ctx->Driver.BlendEquationSeparate(ctx, + ctx->Color.Blend[0].EquationRGB, + ctx->Color.Blend[0].EquationA); + + ctx->Driver.BlendFuncSeparate(ctx, + ctx->Color.Blend[0].SrcRGB, + ctx->Color.Blend[0].DstRGB, + ctx->Color.Blend[0].SrcA, + ctx->Color.Blend[0].DstA); + + if (ctx->Driver.ColorMaskIndexed) { + GLuint i; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + ctx->Driver.ColorMaskIndexed(ctx, i, + ctx->Color.ColorMask[i][RCOMP], + ctx->Color.ColorMask[i][GCOMP], + ctx->Color.ColorMask[i][BCOMP], + ctx->Color.ColorMask[i][ACOMP]); + } + } + else { + ctx->Driver.ColorMask(ctx, + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); + } + + ctx->Driver.CullFace(ctx, ctx->Polygon.CullFaceMode); + ctx->Driver.DepthFunc(ctx, ctx->Depth.Func); + ctx->Driver.DepthMask(ctx, ctx->Depth.Mask); + + ctx->Driver.Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); + ctx->Driver.Enable(ctx, GL_BLEND, ctx->Color.BlendEnabled); + ctx->Driver.Enable(ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled); + ctx->Driver.Enable(ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled); + ctx->Driver.Enable(ctx, GL_CULL_FACE, ctx->Polygon.CullFlag); + ctx->Driver.Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); + ctx->Driver.Enable(ctx, GL_DITHER, ctx->Color.DitherFlag); + ctx->Driver.Enable(ctx, GL_FOG, ctx->Fog.Enabled); + ctx->Driver.Enable(ctx, GL_LIGHTING, ctx->Light.Enabled); + ctx->Driver.Enable(ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag); + ctx->Driver.Enable(ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag); + ctx->Driver.Enable(ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled); + ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil._Enabled); + ctx->Driver.Enable(ctx, GL_TEXTURE_1D, GL_FALSE); + ctx->Driver.Enable(ctx, GL_TEXTURE_2D, GL_FALSE); + ctx->Driver.Enable(ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE); + ctx->Driver.Enable(ctx, GL_TEXTURE_3D, GL_FALSE); + ctx->Driver.Enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); + + ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); + { + GLfloat mode = (GLfloat) ctx->Fog.Mode; + ctx->Driver.Fogfv(ctx, GL_FOG_MODE, &mode); + } + ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); + ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); + ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); + + ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); + + { + GLfloat f = (GLfloat) ctx->Light.Model.ColorControl; + ctx->Driver.LightModelfv(ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f); + } + + ctx->Driver.LineWidth(ctx, ctx->Line.Width); + ctx->Driver.LogicOpcode(ctx, ctx->Color.LogicOp); + ctx->Driver.PointSize(ctx, ctx->Point.Size); + ctx->Driver.PolygonStipple(ctx, (const GLubyte *) ctx->PolygonStipple); + ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, + ctx->Scissor.Width, ctx->Scissor.Height); + ctx->Driver.ShadeModel(ctx, ctx->Light.ShadeModel); + ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT, + ctx->Stencil.Function[0], + ctx->Stencil.Ref[0], + ctx->Stencil.ValueMask[0]); + ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, + ctx->Stencil.Function[1], + ctx->Stencil.Ref[1], + ctx->Stencil.ValueMask[1]); + ctx->Driver.StencilMaskSeparate(ctx, GL_FRONT, ctx->Stencil.WriteMask[0]); + ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, ctx->Stencil.WriteMask[1]); + ctx->Driver.StencilOpSeparate(ctx, GL_FRONT, + ctx->Stencil.FailFunc[0], + ctx->Stencil.ZFailFunc[0], + ctx->Stencil.ZPassFunc[0]); + ctx->Driver.StencilOpSeparate(ctx, GL_BACK, + ctx->Stencil.FailFunc[1], + ctx->Stencil.ZFailFunc[1], + ctx->Stencil.ZPassFunc[1]); + + + ctx->Driver.DrawBuffer(ctx, ctx->Color.DrawBuffer[0]); +} diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.c b/mesalib/src/mesa/drivers/dri/common/dri_util.c index adc6716c6..6d6401934 100644 --- a/mesalib/src/mesa/drivers/dri/common/dri_util.c +++ b/mesalib/src/mesa/drivers/dri/common/dri_util.c @@ -1,1040 +1,1040 @@ -/** - * \file dri_util.c - * DRI utility functions. - * - * This module acts as glue between GLX and the actual hardware driver. A DRI - * driver doesn't really \e have to use any of this - it's optional. But, some - * useful stuff is done here that otherwise would have to be duplicated in most - * drivers. - * - * Basically, these utility functions take care of some of the dirty details of - * screen initialization, context creation, context binding, DRM setup, etc. - * - * These functions are compiled into each DRI driver so libGL.so knows nothing - * about them. - */ - - -#include -#include -#include -#include -#include - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)-1) -#endif - -#include "main/imports.h" -#define None 0 - -#include "dri_util.h" -#include "drm_sarea.h" -#include "utils.h" -#include "xmlpool.h" -#include "../glsl/glsl_parser_extras.h" - -PUBLIC const char __dri2ConfigOptions[] = - DRI_CONF_BEGIN - DRI_CONF_SECTION_PERFORMANCE - DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1) - DRI_CONF_SECTION_END - DRI_CONF_END; - -static const uint __dri2NConfigOptions = 1; - -#ifndef GLX_OML_sync_control -typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator); -#endif - -static void dri_get_drawable(__DRIdrawable *pdp); -static void dri_put_drawable(__DRIdrawable *pdp); - -/** - * This is just a token extension used to signal that the driver - * supports setting a read drawable. - */ -const __DRIextension driReadDrawableExtension = { - __DRI_READ_DRAWABLE, __DRI_READ_DRAWABLE_VERSION -}; - -GLint -driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ) -{ - if (rect2.x1 > rect1.x1) rect1.x1 = rect2.x1; - if (rect2.x2 < rect1.x2) rect1.x2 = rect2.x2; - if (rect2.y1 > rect1.y1) rect1.y1 = rect2.y1; - if (rect2.y2 < rect1.y2) rect1.y2 = rect2.y2; - - if (rect1.x1 > rect1.x2 || rect1.y1 > rect1.y2) return 0; - - return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1); -} - -/*****************************************************************/ -/** \name Context (un)binding functions */ -/*****************************************************************/ -/*@{*/ - -/** - * Unbind context. - * - * \param scrn the screen. - * \param gc context. - * - * \return \c GL_TRUE on success, or \c GL_FALSE on failure. - * - * \internal - * This function calls __DriverAPIRec::UnbindContext, and then decrements - * __DRIdrawableRec::refcount which must be non-zero for a successful - * return. - * - * While casting the opaque private pointers associated with the parameters - * into their respective real types it also assures they are not \c NULL. - */ -static int driUnbindContext(__DRIcontext *pcp) -{ - __DRIscreen *psp; - __DRIdrawable *pdp; - __DRIdrawable *prp; - - /* - ** Assume error checking is done properly in glXMakeCurrent before - ** calling driUnbindContext. - */ - - if (pcp == NULL) - return GL_FALSE; - - psp = pcp->driScreenPriv; - pdp = pcp->driDrawablePriv; - prp = pcp->driReadablePriv; - - /* already unbound */ - if (!pdp && !prp) - return GL_TRUE; - /* Let driver unbind drawable from context */ - (*psp->DriverAPI.UnbindContext)(pcp); - - assert(pdp); - if (pdp->refcount == 0) { - /* ERROR!!! */ - return GL_FALSE; - } - - dri_put_drawable(pdp); - - if (prp != pdp) { - if (prp->refcount == 0) { - /* ERROR!!! */ - return GL_FALSE; - } - - dri_put_drawable(prp); - } - - - /* XXX this is disabled so that if we call SwapBuffers on an unbound - * window we can determine the last context bound to the window and - * use that context's lock. (BrianP, 2-Dec-2000) - */ - pcp->driDrawablePriv = pcp->driReadablePriv = NULL; - - return GL_TRUE; -} - -/** - * This function takes both a read buffer and a draw buffer. This is needed - * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent - * function. - */ -static int driBindContext(__DRIcontext *pcp, - __DRIdrawable *pdp, - __DRIdrawable *prp) -{ - __DRIscreen *psp = NULL; - - /* - ** Assume error checking is done properly in glXMakeCurrent before - ** calling driUnbindContext. - */ - - if (!pcp) - return GL_FALSE; - - /* Bind the drawable to the context */ - psp = pcp->driScreenPriv; - pcp->driDrawablePriv = pdp; - pcp->driReadablePriv = prp; - if (pdp) { - pdp->driContextPriv = pcp; - dri_get_drawable(pdp); - } - if (prp && pdp != prp) { - dri_get_drawable(prp); - } - - /* - ** Now that we have a context associated with this drawable, we can - ** initialize the drawable information if has not been done before. - */ - - if (!psp->dri2.enabled) { - if (pdp && !pdp->pStamp) { - DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); - __driUtilUpdateDrawableInfo(pdp); - DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); - } - if (prp && pdp != prp && !prp->pStamp) { - DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); - __driUtilUpdateDrawableInfo(prp); - DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); - } - } - - /* Call device-specific MakeCurrent */ - return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp); -} - -/*@}*/ - - -/*****************************************************************/ -/** \name Drawable handling functions */ -/*****************************************************************/ -/*@{*/ - -/** - * Update private drawable information. - * - * \param pdp pointer to the private drawable information to update. - * - * This function basically updates the __DRIdrawable struct's - * cliprect information by calling \c __DRIinterfaceMethods::getDrawableInfo. - * This is usually called by the DRI_VALIDATE_DRAWABLE_INFO macro which - * compares the __DRIdrwablePrivate pStamp and lastStamp values. If - * the values are different that means we have to update the clipping - * info. - */ -void -__driUtilUpdateDrawableInfo(__DRIdrawable *pdp) -{ - __DRIscreen *psp = pdp->driScreenPriv; - __DRIcontext *pcp = pdp->driContextPriv; - - if (!pcp - || ((pdp != pcp->driDrawablePriv) && (pdp != pcp->driReadablePriv))) { - /* ERROR!!! - * ...but we must ignore it. There can be many contexts bound to a - * drawable. - */ - } - - if (pdp->pClipRects) { - free(pdp->pClipRects); - pdp->pClipRects = NULL; - } - - if (pdp->pBackClipRects) { - free(pdp->pBackClipRects); - pdp->pBackClipRects = NULL; - } - - DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); - - if (! (*psp->getDrawableInfo->getDrawableInfo)(pdp, - &pdp->index, &pdp->lastStamp, - &pdp->x, &pdp->y, &pdp->w, &pdp->h, - &pdp->numClipRects, &pdp->pClipRects, - &pdp->backX, - &pdp->backY, - &pdp->numBackClipRects, - &pdp->pBackClipRects, - pdp->loaderPrivate)) { - /* Error -- eg the window may have been destroyed. Keep going - * with no cliprects. - */ - pdp->pStamp = &pdp->lastStamp; /* prevent endless loop */ - pdp->numClipRects = 0; - pdp->pClipRects = NULL; - pdp->numBackClipRects = 0; - pdp->pBackClipRects = NULL; - } - else - pdp->pStamp = &(psp->pSAREA->drawableTable[pdp->index].stamp); - - DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); -} - -/*@}*/ - -/*****************************************************************/ -/** \name GLX callbacks */ -/*****************************************************************/ -/*@{*/ - -static void driReportDamage(__DRIdrawable *pdp, - struct drm_clip_rect *pClipRects, int numClipRects) -{ - __DRIscreen *psp = pdp->driScreenPriv; - - /* Check that we actually have the new damage report method */ - if (psp->damage) { - /* Report the damage. Currently, all our drivers draw - * directly to the front buffer, so we report the damage there - * rather than to the backing storein (if any). - */ - (*psp->damage->reportDamage)(pdp, - pdp->x, pdp->y, - pClipRects, numClipRects, - GL_TRUE, pdp->loaderPrivate); - } -} - - -/** - * Swap buffers. - * - * \param drawablePrivate opaque pointer to the per-drawable private info. - * - * \internal - * This function calls __DRIdrawable::swapBuffers. - * - * Is called directly from glXSwapBuffers(). - */ -static void driSwapBuffers(__DRIdrawable *dPriv) -{ - __DRIscreen *psp = dPriv->driScreenPriv; - drm_clip_rect_t *rects; - int i; - - psp->DriverAPI.SwapBuffers(dPriv); - - if (!dPriv->numClipRects) - return; - - rects = malloc(sizeof(*rects) * dPriv->numClipRects); - - if (!rects) - return; - - for (i = 0; i < dPriv->numClipRects; i++) { - rects[i].x1 = dPriv->pClipRects[i].x1 - dPriv->x; - rects[i].y1 = dPriv->pClipRects[i].y1 - dPriv->y; - rects[i].x2 = dPriv->pClipRects[i].x2 - dPriv->x; - rects[i].y2 = dPriv->pClipRects[i].y2 - dPriv->y; - } - - driReportDamage(dPriv, rects, dPriv->numClipRects); - free(rects); -} - -static int driDrawableGetMSC( __DRIscreen *sPriv, __DRIdrawable *dPriv, - int64_t *msc ) -{ - return sPriv->DriverAPI.GetDrawableMSC(sPriv, dPriv, msc); -} - - -static int driWaitForMSC(__DRIdrawable *dPriv, int64_t target_msc, - int64_t divisor, int64_t remainder, - int64_t * msc, int64_t * sbc) -{ - __DRIswapInfo sInfo; - int status; - - status = dPriv->driScreenPriv->DriverAPI.WaitForMSC( dPriv, target_msc, - divisor, remainder, - msc ); - - /* GetSwapInfo() may not be provided by the driver if GLX_SGI_video_sync - * is supported but GLX_OML_sync_control is not. Therefore, don't return - * an error value if GetSwapInfo() is not implemented. - */ - if ( status == 0 - && dPriv->driScreenPriv->DriverAPI.GetSwapInfo ) { - status = dPriv->driScreenPriv->DriverAPI.GetSwapInfo( dPriv, & sInfo ); - *sbc = sInfo.swap_count; - } - - return status; -} - - -const __DRImediaStreamCounterExtension driMediaStreamCounterExtension = { - { __DRI_MEDIA_STREAM_COUNTER, __DRI_MEDIA_STREAM_COUNTER_VERSION }, - driWaitForMSC, - driDrawableGetMSC, -}; - - -static void driCopySubBuffer(__DRIdrawable *dPriv, - int x, int y, int w, int h) -{ - drm_clip_rect_t rect; - - rect.x1 = x; - rect.y1 = dPriv->h - y - h; - rect.x2 = x + w; - rect.y2 = rect.y1 + h; - driReportDamage(dPriv, &rect, 1); - - dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h); -} - -const __DRIcopySubBufferExtension driCopySubBufferExtension = { - { __DRI_COPY_SUB_BUFFER, __DRI_COPY_SUB_BUFFER_VERSION }, - driCopySubBuffer -}; - -static void driSetSwapInterval(__DRIdrawable *dPriv, unsigned int interval) -{ - dPriv->swap_interval = interval; -} - -static unsigned int driGetSwapInterval(__DRIdrawable *dPriv) -{ - return dPriv->swap_interval; -} - -const __DRIswapControlExtension driSwapControlExtension = { - { __DRI_SWAP_CONTROL, __DRI_SWAP_CONTROL_VERSION }, - driSetSwapInterval, - driGetSwapInterval -}; - - -/** - * This is called via __DRIscreenRec's createNewDrawable pointer. - */ -static __DRIdrawable * -driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config, - drm_drawable_t hwDrawable, int renderType, - const int *attrs, void *data) -{ - __DRIdrawable *pdp; - - /* Since pbuffers are not yet supported, no drawable attributes are - * supported either. - */ - (void) attrs; - (void) renderType; - - pdp = malloc(sizeof *pdp); - if (!pdp) { - return NULL; - } - - pdp->driContextPriv = NULL; - pdp->loaderPrivate = data; - pdp->hHWDrawable = hwDrawable; - pdp->refcount = 1; - pdp->pStamp = NULL; - pdp->lastStamp = 0; - pdp->index = 0; - pdp->x = 0; - pdp->y = 0; - pdp->w = 0; - pdp->h = 0; - pdp->numClipRects = 0; - pdp->numBackClipRects = 0; - pdp->pClipRects = NULL; - pdp->pBackClipRects = NULL; - pdp->vblSeq = 0; - pdp->vblFlags = 0; - - pdp->driScreenPriv = psp; - - if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, &config->modes, 0)) { - free(pdp); - return NULL; - } - - pdp->msc_base = 0; - - /* This special default value is replaced with the configured - * default value when the drawable is first bound to a direct - * rendering context. - */ - pdp->swap_interval = (unsigned)-1; - - return pdp; -} - - -static __DRIdrawable * -dri2CreateNewDrawable(__DRIscreen *screen, - const __DRIconfig *config, - void *loaderPrivate) -{ - __DRIdrawable *pdraw; - - pdraw = driCreateNewDrawable(screen, config, 0, 0, NULL, loaderPrivate); - if (!pdraw) - return NULL; - - pdraw->pClipRects = &pdraw->dri2.clipRect; - pdraw->pBackClipRects = &pdraw->dri2.clipRect; - - pdraw->pStamp = &pdraw->dri2.stamp; - *pdraw->pStamp = pdraw->lastStamp + 1; - - return pdraw; -} - -static __DRIbuffer * -dri2AllocateBuffer(__DRIscreen *screen, - unsigned int attachment, unsigned int format, - int width, int height) -{ - return (*screen->DriverAPI.AllocateBuffer)(screen, attachment, format, - width, height); -} - -static void -dri2ReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer) -{ - (*screen->DriverAPI.ReleaseBuffer)(screen, buffer); -} - - -static int -dri2ConfigQueryb(__DRIscreen *screen, const char *var, GLboolean *val) -{ - if (!driCheckOption(&screen->optionCache, var, DRI_BOOL)) - return -1; - - *val = driQueryOptionb(&screen->optionCache, var); - - return 0; -} - -static int -dri2ConfigQueryi(__DRIscreen *screen, const char *var, GLint *val) -{ - if (!driCheckOption(&screen->optionCache, var, DRI_INT) && - !driCheckOption(&screen->optionCache, var, DRI_ENUM)) - return -1; - - *val = driQueryOptioni(&screen->optionCache, var); - - return 0; -} - -static int -dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val) -{ - if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT)) - return -1; - - *val = driQueryOptionf(&screen->optionCache, var); - - return 0; -} - - -static void dri_get_drawable(__DRIdrawable *pdp) -{ - pdp->refcount++; -} - -static void dri_put_drawable(__DRIdrawable *pdp) -{ - __DRIscreen *psp; - - if (pdp) { - pdp->refcount--; - if (pdp->refcount) - return; - - psp = pdp->driScreenPriv; - (*psp->DriverAPI.DestroyBuffer)(pdp); - if (pdp->pClipRects && pdp->pClipRects != &pdp->dri2.clipRect) { - free(pdp->pClipRects); - pdp->pClipRects = NULL; - } - if (pdp->pBackClipRects && pdp->pClipRects != &pdp->dri2.clipRect) { - free(pdp->pBackClipRects); - pdp->pBackClipRects = NULL; - } - free(pdp); - } -} - -static void -driDestroyDrawable(__DRIdrawable *pdp) -{ - dri_put_drawable(pdp); -} - -/*@}*/ - - -/*****************************************************************/ -/** \name Context handling functions */ -/*****************************************************************/ -/*@{*/ - -/** - * Destroy the per-context private information. - * - * \internal - * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls - * drmDestroyContext(), and finally frees \p contextPrivate. - */ -static void -driDestroyContext(__DRIcontext *pcp) -{ - if (pcp) { - (*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp); - free(pcp); - } -} - - -/** - * Create the per-drawable private driver information. - * - * \param render_type Type of rendering target. \c GLX_RGBA_TYPE is the only - * type likely to ever be supported for direct-rendering. - * However, \c GLX_RGBA_FLOAT_TYPE_ARB may eventually be - * supported by some drivers. - * \param shared Context with which to share textures, etc. or NULL - * - * \returns An opaque pointer to the per-context private information on - * success, or \c NULL on failure. - * - * \internal - * This function allocates and fills a __DRIcontextRec structure. It - * performs some device independent initialization and passes all the - * relevent information to __DriverAPIRec::CreateContext to create the - * context. - * - */ -static __DRIcontext * -driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config, - int render_type, __DRIcontext *shared, - drm_context_t hwContext, void *data) -{ - __DRIcontext *pcp; - void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL; - - (void) render_type; - - pcp = malloc(sizeof *pcp); - if (!pcp) - return NULL; - - pcp->driScreenPriv = psp; - pcp->driDrawablePriv = NULL; - pcp->loaderPrivate = data; - - pcp->dri2.draw_stamp = 0; - pcp->dri2.read_stamp = 0; - - pcp->hHWContext = hwContext; - - if ( !(*psp->DriverAPI.CreateContext)(API_OPENGL, - &config->modes, pcp, shareCtx) ) { - free(pcp); - return NULL; - } - - return pcp; -} - -static unsigned int -dri2GetAPIMask(__DRIscreen *screen) -{ - return screen->api_mask; -} - -static __DRIcontext * -dri2CreateNewContextForAPI(__DRIscreen *screen, int api, - const __DRIconfig *config, - __DRIcontext *shared, void *data) -{ - __DRIcontext *context; - const struct gl_config *modes = (config != NULL) ? &config->modes : NULL; - void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL; - gl_api mesa_api; - - if (!(screen->api_mask & (1 << api))) - return NULL; - - switch (api) { - case __DRI_API_OPENGL: - mesa_api = API_OPENGL; - break; - case __DRI_API_GLES: - mesa_api = API_OPENGLES; - break; - case __DRI_API_GLES2: - mesa_api = API_OPENGLES2; - break; - default: - return NULL; - } - - context = malloc(sizeof *context); - if (!context) - return NULL; - - context->driScreenPriv = screen; - context->driDrawablePriv = NULL; - context->loaderPrivate = data; - - if (!(*screen->DriverAPI.CreateContext)(mesa_api, modes, - context, shareCtx) ) { - free(context); - return NULL; - } - - return context; -} - - -static __DRIcontext * -dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config, - __DRIcontext *shared, void *data) -{ - return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL, - config, shared, data); -} - -static int -driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask) -{ - (void) dest; - (void) src; - (void) mask; - return GL_FALSE; -} - -/*@}*/ - - -/*****************************************************************/ -/** \name Screen handling functions */ -/*****************************************************************/ -/*@{*/ - -/** - * Destroy the per-screen private information. - * - * \internal - * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls - * drmClose(), and finally frees \p screenPrivate. - */ -static void driDestroyScreen(__DRIscreen *psp) -{ - if (psp) { - /* No interaction with the X-server is possible at this point. This - * routine is called after XCloseDisplay, so there is no protocol - * stream open to the X-server anymore. - */ - - _mesa_destroy_shader_compiler(); - - if (psp->DriverAPI.DestroyScreen) - (*psp->DriverAPI.DestroyScreen)(psp); - - if (!psp->dri2.enabled) { - (void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX); - (void)drmUnmap((drmAddress)psp->pFB, psp->fbSize); - (void)drmCloseOnce(psp->fd); - } else { - driDestroyOptionCache(&psp->optionCache); - driDestroyOptionInfo(&psp->optionInfo); - } - - free(psp); - } -} - -static void -setupLoaderExtensions(__DRIscreen *psp, - const __DRIextension **extensions) -{ - int i; - - for (i = 0; extensions[i]; i++) { - if (strcmp(extensions[i]->name, __DRI_GET_DRAWABLE_INFO) == 0) - psp->getDrawableInfo = (__DRIgetDrawableInfoExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_DAMAGE) == 0) - psp->damage = (__DRIdamageExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_SYSTEM_TIME) == 0) - psp->systemTime = (__DRIsystemTimeExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0) - psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0) - psp->dri2.image = (__DRIimageLookupExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0) - psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i]; - } -} - -/** - * This is the bootstrap function for the driver. libGL supplies all of the - * requisite information about the system, and the driver initializes itself. - * This routine also fills in the linked list pointed to by \c driver_modes - * with the \c struct gl_config that the driver can support for windows or - * pbuffers. - * - * For legacy DRI. - * - * \param scrn Index of the screen - * \param ddx_version Version of the 2D DDX. This may not be meaningful for - * all drivers. - * \param dri_version Version of the "server-side" DRI. - * \param drm_version Version of the kernel DRM. - * \param frame_buffer Data describing the location and layout of the - * framebuffer. - * \param pSAREA Pointer to the SAREA. - * \param fd Device handle for the DRM. - * \param extensions ?? - * \param driver_modes Returns modes suppoted by the driver - * \param loaderPrivate ?? - * - * \note There is no need to check the minimum API version in this - * function. Since the name of this function is versioned, it is - * impossible for a loader that is too old to even load this driver. - */ -static __DRIscreen * -driCreateNewScreen(int scrn, - const __DRIversion *ddx_version, - const __DRIversion *dri_version, - const __DRIversion *drm_version, - const __DRIframebuffer *frame_buffer, - drmAddress pSAREA, int fd, - const __DRIextension **extensions, - const __DRIconfig ***driver_modes, - void *loaderPrivate) -{ - static const __DRIextension *emptyExtensionList[] = { NULL }; - __DRIscreen *psp; - - (void) loaderPrivate; - - if (driDriverAPI.InitScreen == NULL) - return NULL; - - psp = calloc(1, sizeof *psp); - if (!psp) - return NULL; - - setupLoaderExtensions(psp, extensions); - - /* - ** NOT_DONE: This is used by the X server to detect when the client - ** has died while holding the drawable lock. The client sets the - ** drawable lock to this value. - */ - psp->drawLockID = 1; - - psp->drm_version = *drm_version; - psp->ddx_version = *ddx_version; - psp->dri_version = *dri_version; - - psp->pSAREA = pSAREA; - psp->lock = (drmLock *) &psp->pSAREA->lock; - - psp->pFB = frame_buffer->base; - psp->fbSize = frame_buffer->size; - psp->fbStride = frame_buffer->stride; - psp->fbWidth = frame_buffer->width; - psp->fbHeight = frame_buffer->height; - psp->devPrivSize = frame_buffer->dev_priv_size; - psp->pDevPriv = frame_buffer->dev_priv; - psp->fbBPP = psp->fbStride * 8 / frame_buffer->width; - - psp->extensions = emptyExtensionList; - psp->fd = fd; - psp->myNum = scrn; - psp->dri2.enabled = GL_FALSE; - - psp->DriverAPI = driDriverAPI; - psp->api_mask = (1 << __DRI_API_OPENGL); - - *driver_modes = driDriverAPI.InitScreen(psp); - if (*driver_modes == NULL) { - free(psp); - return NULL; - } - - return psp; -} - -/** - * DRI2 - */ -static __DRIscreen * -dri2CreateNewScreen(int scrn, int fd, - const __DRIextension **extensions, - const __DRIconfig ***driver_configs, void *data) -{ - static const __DRIextension *emptyExtensionList[] = { NULL }; - __DRIscreen *psp; - drmVersionPtr version; - - if (driDriverAPI.InitScreen2 == NULL) - return NULL; - - psp = calloc(1, sizeof(*psp)); - if (!psp) - return NULL; - - setupLoaderExtensions(psp, extensions); - - version = drmGetVersion(fd); - if (version) { - psp->drm_version.major = version->version_major; - psp->drm_version.minor = version->version_minor; - psp->drm_version.patch = version->version_patchlevel; - drmFreeVersion(version); - } - - psp->extensions = emptyExtensionList; - psp->fd = fd; - psp->myNum = scrn; - psp->dri2.enabled = GL_TRUE; - - psp->DriverAPI = driDriverAPI; - psp->api_mask = (1 << __DRI_API_OPENGL); - *driver_configs = driDriverAPI.InitScreen2(psp); - if (*driver_configs == NULL) { - free(psp); - return NULL; - } - - psp->DriverAPI = driDriverAPI; - psp->loaderPrivate = data; - - driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions, - __dri2NConfigOptions); - driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, - "dri2"); - - return psp; -} - -static const __DRIextension **driGetExtensions(__DRIscreen *psp) -{ - return psp->extensions; -} - -/** Core interface */ -const __DRIcoreExtension driCoreExtension = { - { __DRI_CORE, __DRI_CORE_VERSION }, - NULL, - driDestroyScreen, - driGetExtensions, - driGetConfigAttrib, - driIndexConfigAttrib, - NULL, - driDestroyDrawable, - driSwapBuffers, - NULL, - driCopyContext, - driDestroyContext, - driBindContext, - driUnbindContext -}; - -/** Legacy DRI interface */ -const __DRIlegacyExtension driLegacyExtension = { - { __DRI_LEGACY, __DRI_LEGACY_VERSION }, - driCreateNewScreen, - driCreateNewDrawable, - driCreateNewContext, -}; - -/** DRI2 interface */ -const __DRIdri2Extension driDRI2Extension = { - { __DRI_DRI2, __DRI_DRI2_VERSION }, - dri2CreateNewScreen, - dri2CreateNewDrawable, - dri2CreateNewContext, - dri2GetAPIMask, - dri2CreateNewContextForAPI, - dri2AllocateBuffer, - dri2ReleaseBuffer -}; - -const __DRI2configQueryExtension dri2ConfigQueryExtension = { - { __DRI2_CONFIG_QUERY, __DRI2_CONFIG_QUERY_VERSION }, - dri2ConfigQueryb, - dri2ConfigQueryi, - dri2ConfigQueryf, -}; - -/** - * Calculate amount of swap interval used between GLX buffer swaps. - * - * The usage value, on the range [0,max], is the fraction of total swap - * interval time used between GLX buffer swaps is calculated. - * - * \f$p = t_d / (i * t_r)\f$ - * - * Where \f$t_d\f$ is the time since the last GLX buffer swap, \f$i\f$ is the - * swap interval (as set by \c glXSwapIntervalSGI), and \f$t_r\f$ time - * required for a single vertical refresh period (as returned by \c - * glXGetMscRateOML). - * - * See the documentation for the GLX_MESA_swap_frame_usage extension for more - * details. - * - * \param dPriv Pointer to the private drawable structure. - * \return If less than a single swap interval time period was required - * between GLX buffer swaps, a number greater than 0 and less than - * 1.0 is returned. If exactly one swap interval time period is - * required, 1.0 is returned, and if more than one is required then - * a number greater than 1.0 will be returned. - * - * \sa glXSwapIntervalSGI glXGetMscRateOML - * - * \todo Instead of caching the \c glXGetMscRateOML function pointer, would it - * be possible to cache the sync rate? - */ -float -driCalculateSwapUsage( __DRIdrawable *dPriv, int64_t last_swap_ust, - int64_t current_ust ) -{ - int32_t n; - int32_t d; - int interval; - float usage = 1.0; - __DRIscreen *psp = dPriv->driScreenPriv; - - if ( (*psp->systemTime->getMSCRate)(dPriv, &n, &d, dPriv->loaderPrivate) ) { - interval = (dPriv->swap_interval != 0) ? dPriv->swap_interval : 1; - - - /* We want to calculate - * (current_UST - last_swap_UST) / (interval * us_per_refresh). We get - * current_UST by calling __glXGetUST. last_swap_UST is stored in - * dPriv->swap_ust. interval has already been calculated. - * - * The only tricky part is us_per_refresh. us_per_refresh is - * 1000000 / MSC_rate. We know the MSC_rate is n / d. We can flip it - * around and say us_per_refresh = 1000000 * d / n. Since this goes in - * the denominator of the final calculation, we calculate - * (interval * 1000000 * d) and move n into the numerator. - */ - - usage = (current_ust - last_swap_ust); - usage *= n; - usage /= (interval * d); - usage /= 1000000.0; - } - - return usage; -} - -void -dri2InvalidateDrawable(__DRIdrawable *drawable) -{ - drawable->dri2.stamp++; -} - -/*@}*/ +/** + * \file dri_util.c + * DRI utility functions. + * + * This module acts as glue between GLX and the actual hardware driver. A DRI + * driver doesn't really \e have to use any of this - it's optional. But, some + * useful stuff is done here that otherwise would have to be duplicated in most + * drivers. + * + * Basically, these utility functions take care of some of the dirty details of + * screen initialization, context creation, context binding, DRM setup, etc. + * + * These functions are compiled into each DRI driver so libGL.so knows nothing + * about them. + */ + + +#include +#include +#include +#include +#include + +#ifndef MAP_FAILED +#define MAP_FAILED ((void *)-1) +#endif + +#include "main/imports.h" +#define None 0 + +#include "dri_util.h" +#include "drm_sarea.h" +#include "utils.h" +#include "xmlpool.h" +#include "../glsl/glsl_parser_extras.h" + +PUBLIC const char __dri2ConfigOptions[] = + DRI_CONF_BEGIN + DRI_CONF_SECTION_PERFORMANCE + DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1) + DRI_CONF_SECTION_END + DRI_CONF_END; + +static const uint __dri2NConfigOptions = 1; + +#ifndef GLX_OML_sync_control +typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator); +#endif + +static void dri_get_drawable(__DRIdrawable *pdp); +static void dri_put_drawable(__DRIdrawable *pdp); + +/** + * This is just a token extension used to signal that the driver + * supports setting a read drawable. + */ +const __DRIextension driReadDrawableExtension = { + __DRI_READ_DRAWABLE, __DRI_READ_DRAWABLE_VERSION +}; + +GLint +driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ) +{ + if (rect2.x1 > rect1.x1) rect1.x1 = rect2.x1; + if (rect2.x2 < rect1.x2) rect1.x2 = rect2.x2; + if (rect2.y1 > rect1.y1) rect1.y1 = rect2.y1; + if (rect2.y2 < rect1.y2) rect1.y2 = rect2.y2; + + if (rect1.x1 > rect1.x2 || rect1.y1 > rect1.y2) return 0; + + return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1); +} + +/*****************************************************************/ +/** \name Context (un)binding functions */ +/*****************************************************************/ +/*@{*/ + +/** + * Unbind context. + * + * \param scrn the screen. + * \param gc context. + * + * \return \c GL_TRUE on success, or \c GL_FALSE on failure. + * + * \internal + * This function calls __DriverAPIRec::UnbindContext, and then decrements + * __DRIdrawableRec::refcount which must be non-zero for a successful + * return. + * + * While casting the opaque private pointers associated with the parameters + * into their respective real types it also assures they are not \c NULL. + */ +static int driUnbindContext(__DRIcontext *pcp) +{ + __DRIscreen *psp; + __DRIdrawable *pdp; + __DRIdrawable *prp; + + /* + ** Assume error checking is done properly in glXMakeCurrent before + ** calling driUnbindContext. + */ + + if (pcp == NULL) + return GL_FALSE; + + psp = pcp->driScreenPriv; + pdp = pcp->driDrawablePriv; + prp = pcp->driReadablePriv; + + /* already unbound */ + if (!pdp && !prp) + return GL_TRUE; + /* Let driver unbind drawable from context */ + (*psp->DriverAPI.UnbindContext)(pcp); + + assert(pdp); + if (pdp->refcount == 0) { + /* ERROR!!! */ + return GL_FALSE; + } + + dri_put_drawable(pdp); + + if (prp != pdp) { + if (prp->refcount == 0) { + /* ERROR!!! */ + return GL_FALSE; + } + + dri_put_drawable(prp); + } + + + /* XXX this is disabled so that if we call SwapBuffers on an unbound + * window we can determine the last context bound to the window and + * use that context's lock. (BrianP, 2-Dec-2000) + */ + pcp->driDrawablePriv = pcp->driReadablePriv = NULL; + + return GL_TRUE; +} + +/** + * This function takes both a read buffer and a draw buffer. This is needed + * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent + * function. + */ +static int driBindContext(__DRIcontext *pcp, + __DRIdrawable *pdp, + __DRIdrawable *prp) +{ + __DRIscreen *psp = NULL; + + /* + ** Assume error checking is done properly in glXMakeCurrent before + ** calling driUnbindContext. + */ + + if (!pcp) + return GL_FALSE; + + /* Bind the drawable to the context */ + psp = pcp->driScreenPriv; + pcp->driDrawablePriv = pdp; + pcp->driReadablePriv = prp; + if (pdp) { + pdp->driContextPriv = pcp; + dri_get_drawable(pdp); + } + if (prp && pdp != prp) { + dri_get_drawable(prp); + } + + /* + ** Now that we have a context associated with this drawable, we can + ** initialize the drawable information if has not been done before. + */ + + if (!psp->dri2.enabled) { + if (pdp && !pdp->pStamp) { + DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); + __driUtilUpdateDrawableInfo(pdp); + DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); + } + if (prp && pdp != prp && !prp->pStamp) { + DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); + __driUtilUpdateDrawableInfo(prp); + DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); + } + } + + /* Call device-specific MakeCurrent */ + return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp); +} + +/*@}*/ + + +/*****************************************************************/ +/** \name Drawable handling functions */ +/*****************************************************************/ +/*@{*/ + +/** + * Update private drawable information. + * + * \param pdp pointer to the private drawable information to update. + * + * This function basically updates the __DRIdrawable struct's + * cliprect information by calling \c __DRIinterfaceMethods::getDrawableInfo. + * This is usually called by the DRI_VALIDATE_DRAWABLE_INFO macro which + * compares the __DRIdrwablePrivate pStamp and lastStamp values. If + * the values are different that means we have to update the clipping + * info. + */ +void +__driUtilUpdateDrawableInfo(__DRIdrawable *pdp) +{ + __DRIscreen *psp = pdp->driScreenPriv; + __DRIcontext *pcp = pdp->driContextPriv; + + if (!pcp + || ((pdp != pcp->driDrawablePriv) && (pdp != pcp->driReadablePriv))) { + /* ERROR!!! + * ...but we must ignore it. There can be many contexts bound to a + * drawable. + */ + } + + if (pdp->pClipRects) { + free(pdp->pClipRects); + pdp->pClipRects = NULL; + } + + if (pdp->pBackClipRects) { + free(pdp->pBackClipRects); + pdp->pBackClipRects = NULL; + } + + DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); + + if (! (*psp->getDrawableInfo->getDrawableInfo)(pdp, + &pdp->index, &pdp->lastStamp, + &pdp->x, &pdp->y, &pdp->w, &pdp->h, + &pdp->numClipRects, &pdp->pClipRects, + &pdp->backX, + &pdp->backY, + &pdp->numBackClipRects, + &pdp->pBackClipRects, + pdp->loaderPrivate)) { + /* Error -- eg the window may have been destroyed. Keep going + * with no cliprects. + */ + pdp->pStamp = &pdp->lastStamp; /* prevent endless loop */ + pdp->numClipRects = 0; + pdp->pClipRects = NULL; + pdp->numBackClipRects = 0; + pdp->pBackClipRects = NULL; + } + else + pdp->pStamp = &(psp->pSAREA->drawableTable[pdp->index].stamp); + + DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); +} + +/*@}*/ + +/*****************************************************************/ +/** \name GLX callbacks */ +/*****************************************************************/ +/*@{*/ + +static void driReportDamage(__DRIdrawable *pdp, + struct drm_clip_rect *pClipRects, int numClipRects) +{ + __DRIscreen *psp = pdp->driScreenPriv; + + /* Check that we actually have the new damage report method */ + if (psp->damage) { + /* Report the damage. Currently, all our drivers draw + * directly to the front buffer, so we report the damage there + * rather than to the backing storein (if any). + */ + (*psp->damage->reportDamage)(pdp, + pdp->x, pdp->y, + pClipRects, numClipRects, + GL_TRUE, pdp->loaderPrivate); + } +} + + +/** + * Swap buffers. + * + * \param drawablePrivate opaque pointer to the per-drawable private info. + * + * \internal + * This function calls __DRIdrawable::swapBuffers. + * + * Is called directly from glXSwapBuffers(). + */ +static void driSwapBuffers(__DRIdrawable *dPriv) +{ + __DRIscreen *psp = dPriv->driScreenPriv; + drm_clip_rect_t *rects; + int i; + + psp->DriverAPI.SwapBuffers(dPriv); + + if (!dPriv->numClipRects) + return; + + rects = malloc(sizeof(*rects) * dPriv->numClipRects); + + if (!rects) + return; + + for (i = 0; i < dPriv->numClipRects; i++) { + rects[i].x1 = dPriv->pClipRects[i].x1 - dPriv->x; + rects[i].y1 = dPriv->pClipRects[i].y1 - dPriv->y; + rects[i].x2 = dPriv->pClipRects[i].x2 - dPriv->x; + rects[i].y2 = dPriv->pClipRects[i].y2 - dPriv->y; + } + + driReportDamage(dPriv, rects, dPriv->numClipRects); + free(rects); +} + +static int driDrawableGetMSC( __DRIscreen *sPriv, __DRIdrawable *dPriv, + int64_t *msc ) +{ + return sPriv->DriverAPI.GetDrawableMSC(sPriv, dPriv, msc); +} + + +static int driWaitForMSC(__DRIdrawable *dPriv, int64_t target_msc, + int64_t divisor, int64_t remainder, + int64_t * msc, int64_t * sbc) +{ + __DRIswapInfo sInfo; + int status; + + status = dPriv->driScreenPriv->DriverAPI.WaitForMSC( dPriv, target_msc, + divisor, remainder, + msc ); + + /* GetSwapInfo() may not be provided by the driver if GLX_SGI_video_sync + * is supported but GLX_OML_sync_control is not. Therefore, don't return + * an error value if GetSwapInfo() is not implemented. + */ + if ( status == 0 + && dPriv->driScreenPriv->DriverAPI.GetSwapInfo ) { + status = dPriv->driScreenPriv->DriverAPI.GetSwapInfo( dPriv, & sInfo ); + *sbc = sInfo.swap_count; + } + + return status; +} + + +const __DRImediaStreamCounterExtension driMediaStreamCounterExtension = { + { __DRI_MEDIA_STREAM_COUNTER, __DRI_MEDIA_STREAM_COUNTER_VERSION }, + driWaitForMSC, + driDrawableGetMSC, +}; + + +static void driCopySubBuffer(__DRIdrawable *dPriv, + int x, int y, int w, int h) +{ + drm_clip_rect_t rect; + + rect.x1 = x; + rect.y1 = dPriv->h - y - h; + rect.x2 = x + w; + rect.y2 = rect.y1 + h; + driReportDamage(dPriv, &rect, 1); + + dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h); +} + +const __DRIcopySubBufferExtension driCopySubBufferExtension = { + { __DRI_COPY_SUB_BUFFER, __DRI_COPY_SUB_BUFFER_VERSION }, + driCopySubBuffer +}; + +static void driSetSwapInterval(__DRIdrawable *dPriv, unsigned int interval) +{ + dPriv->swap_interval = interval; +} + +static unsigned int driGetSwapInterval(__DRIdrawable *dPriv) +{ + return dPriv->swap_interval; +} + +const __DRIswapControlExtension driSwapControlExtension = { + { __DRI_SWAP_CONTROL, __DRI_SWAP_CONTROL_VERSION }, + driSetSwapInterval, + driGetSwapInterval +}; + + +/** + * This is called via __DRIscreenRec's createNewDrawable pointer. + */ +static __DRIdrawable * +driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config, + drm_drawable_t hwDrawable, int renderType, + const int *attrs, void *data) +{ + __DRIdrawable *pdp; + + /* Since pbuffers are not yet supported, no drawable attributes are + * supported either. + */ + (void) attrs; + (void) renderType; + + pdp = malloc(sizeof *pdp); + if (!pdp) { + return NULL; + } + + pdp->driContextPriv = NULL; + pdp->loaderPrivate = data; + pdp->hHWDrawable = hwDrawable; + pdp->refcount = 1; + pdp->pStamp = NULL; + pdp->lastStamp = 0; + pdp->index = 0; + pdp->x = 0; + pdp->y = 0; + pdp->w = 0; + pdp->h = 0; + pdp->numClipRects = 0; + pdp->numBackClipRects = 0; + pdp->pClipRects = NULL; + pdp->pBackClipRects = NULL; + pdp->vblSeq = 0; + pdp->vblFlags = 0; + + pdp->driScreenPriv = psp; + + if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, &config->modes, 0)) { + free(pdp); + return NULL; + } + + pdp->msc_base = 0; + + /* This special default value is replaced with the configured + * default value when the drawable is first bound to a direct + * rendering context. + */ + pdp->swap_interval = (unsigned)-1; + + return pdp; +} + + +static __DRIdrawable * +dri2CreateNewDrawable(__DRIscreen *screen, + const __DRIconfig *config, + void *loaderPrivate) +{ + __DRIdrawable *pdraw; + + pdraw = driCreateNewDrawable(screen, config, 0, 0, NULL, loaderPrivate); + if (!pdraw) + return NULL; + + pdraw->pClipRects = &pdraw->dri2.clipRect; + pdraw->pBackClipRects = &pdraw->dri2.clipRect; + + pdraw->pStamp = &pdraw->dri2.stamp; + *pdraw->pStamp = pdraw->lastStamp + 1; + + return pdraw; +} + +static __DRIbuffer * +dri2AllocateBuffer(__DRIscreen *screen, + unsigned int attachment, unsigned int format, + int width, int height) +{ + return (*screen->DriverAPI.AllocateBuffer)(screen, attachment, format, + width, height); +} + +static void +dri2ReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer) +{ + (*screen->DriverAPI.ReleaseBuffer)(screen, buffer); +} + + +static int +dri2ConfigQueryb(__DRIscreen *screen, const char *var, GLboolean *val) +{ + if (!driCheckOption(&screen->optionCache, var, DRI_BOOL)) + return -1; + + *val = driQueryOptionb(&screen->optionCache, var); + + return 0; +} + +static int +dri2ConfigQueryi(__DRIscreen *screen, const char *var, GLint *val) +{ + if (!driCheckOption(&screen->optionCache, var, DRI_INT) && + !driCheckOption(&screen->optionCache, var, DRI_ENUM)) + return -1; + + *val = driQueryOptioni(&screen->optionCache, var); + + return 0; +} + +static int +dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val) +{ + if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT)) + return -1; + + *val = driQueryOptionf(&screen->optionCache, var); + + return 0; +} + + +static void dri_get_drawable(__DRIdrawable *pdp) +{ + pdp->refcount++; +} + +static void dri_put_drawable(__DRIdrawable *pdp) +{ + __DRIscreen *psp; + + if (pdp) { + pdp->refcount--; + if (pdp->refcount) + return; + + psp = pdp->driScreenPriv; + (*psp->DriverAPI.DestroyBuffer)(pdp); + if (pdp->pClipRects && pdp->pClipRects != &pdp->dri2.clipRect) { + free(pdp->pClipRects); + pdp->pClipRects = NULL; + } + if (pdp->pBackClipRects && pdp->pClipRects != &pdp->dri2.clipRect) { + free(pdp->pBackClipRects); + pdp->pBackClipRects = NULL; + } + free(pdp); + } +} + +static void +driDestroyDrawable(__DRIdrawable *pdp) +{ + dri_put_drawable(pdp); +} + +/*@}*/ + + +/*****************************************************************/ +/** \name Context handling functions */ +/*****************************************************************/ +/*@{*/ + +/** + * Destroy the per-context private information. + * + * \internal + * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls + * drmDestroyContext(), and finally frees \p contextPrivate. + */ +static void +driDestroyContext(__DRIcontext *pcp) +{ + if (pcp) { + (*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp); + free(pcp); + } +} + + +/** + * Create the per-drawable private driver information. + * + * \param render_type Type of rendering target. \c GLX_RGBA_TYPE is the only + * type likely to ever be supported for direct-rendering. + * However, \c GLX_RGBA_FLOAT_TYPE_ARB may eventually be + * supported by some drivers. + * \param shared Context with which to share textures, etc. or NULL + * + * \returns An opaque pointer to the per-context private information on + * success, or \c NULL on failure. + * + * \internal + * This function allocates and fills a __DRIcontextRec structure. It + * performs some device independent initialization and passes all the + * relevent information to __DriverAPIRec::CreateContext to create the + * context. + * + */ +static __DRIcontext * +driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config, + int render_type, __DRIcontext *shared, + drm_context_t hwContext, void *data) +{ + __DRIcontext *pcp; + void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL; + + (void) render_type; + + pcp = malloc(sizeof *pcp); + if (!pcp) + return NULL; + + pcp->driScreenPriv = psp; + pcp->driDrawablePriv = NULL; + pcp->loaderPrivate = data; + + pcp->dri2.draw_stamp = 0; + pcp->dri2.read_stamp = 0; + + pcp->hHWContext = hwContext; + + if ( !(*psp->DriverAPI.CreateContext)(API_OPENGL, + &config->modes, pcp, shareCtx) ) { + free(pcp); + return NULL; + } + + return pcp; +} + +static unsigned int +dri2GetAPIMask(__DRIscreen *screen) +{ + return screen->api_mask; +} + +static __DRIcontext * +dri2CreateNewContextForAPI(__DRIscreen *screen, int api, + const __DRIconfig *config, + __DRIcontext *shared, void *data) +{ + __DRIcontext *context; + const struct gl_config *modes = (config != NULL) ? &config->modes : NULL; + void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL; + gl_api mesa_api; + + if (!(screen->api_mask & (1 << api))) + return NULL; + + switch (api) { + case __DRI_API_OPENGL: + mesa_api = API_OPENGL; + break; + case __DRI_API_GLES: + mesa_api = API_OPENGLES; + break; + case __DRI_API_GLES2: + mesa_api = API_OPENGLES2; + break; + default: + return NULL; + } + + context = malloc(sizeof *context); + if (!context) + return NULL; + + context->driScreenPriv = screen; + context->driDrawablePriv = NULL; + context->loaderPrivate = data; + + if (!(*screen->DriverAPI.CreateContext)(mesa_api, modes, + context, shareCtx) ) { + free(context); + return NULL; + } + + return context; +} + + +static __DRIcontext * +dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config, + __DRIcontext *shared, void *data) +{ + return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL, + config, shared, data); +} + +static int +driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask) +{ + (void) dest; + (void) src; + (void) mask; + return GL_FALSE; +} + +/*@}*/ + + +/*****************************************************************/ +/** \name Screen handling functions */ +/*****************************************************************/ +/*@{*/ + +/** + * Destroy the per-screen private information. + * + * \internal + * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls + * drmClose(), and finally frees \p screenPrivate. + */ +static void driDestroyScreen(__DRIscreen *psp) +{ + if (psp) { + /* No interaction with the X-server is possible at this point. This + * routine is called after XCloseDisplay, so there is no protocol + * stream open to the X-server anymore. + */ + + _mesa_destroy_shader_compiler(); + + if (psp->DriverAPI.DestroyScreen) + (*psp->DriverAPI.DestroyScreen)(psp); + + if (!psp->dri2.enabled) { + (void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX); + (void)drmUnmap((drmAddress)psp->pFB, psp->fbSize); + (void)drmCloseOnce(psp->fd); + } else { + driDestroyOptionCache(&psp->optionCache); + driDestroyOptionInfo(&psp->optionInfo); + } + + free(psp); + } +} + +static void +setupLoaderExtensions(__DRIscreen *psp, + const __DRIextension **extensions) +{ + int i; + + for (i = 0; extensions[i]; i++) { + if (strcmp(extensions[i]->name, __DRI_GET_DRAWABLE_INFO) == 0) + psp->getDrawableInfo = (__DRIgetDrawableInfoExtension *) extensions[i]; + if (strcmp(extensions[i]->name, __DRI_DAMAGE) == 0) + psp->damage = (__DRIdamageExtension *) extensions[i]; + if (strcmp(extensions[i]->name, __DRI_SYSTEM_TIME) == 0) + psp->systemTime = (__DRIsystemTimeExtension *) extensions[i]; + if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0) + psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i]; + if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0) + psp->dri2.image = (__DRIimageLookupExtension *) extensions[i]; + if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0) + psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i]; + } +} + +/** + * This is the bootstrap function for the driver. libGL supplies all of the + * requisite information about the system, and the driver initializes itself. + * This routine also fills in the linked list pointed to by \c driver_modes + * with the \c struct gl_config that the driver can support for windows or + * pbuffers. + * + * For legacy DRI. + * + * \param scrn Index of the screen + * \param ddx_version Version of the 2D DDX. This may not be meaningful for + * all drivers. + * \param dri_version Version of the "server-side" DRI. + * \param drm_version Version of the kernel DRM. + * \param frame_buffer Data describing the location and layout of the + * framebuffer. + * \param pSAREA Pointer to the SAREA. + * \param fd Device handle for the DRM. + * \param extensions ?? + * \param driver_modes Returns modes suppoted by the driver + * \param loaderPrivate ?? + * + * \note There is no need to check the minimum API version in this + * function. Since the name of this function is versioned, it is + * impossible for a loader that is too old to even load this driver. + */ +static __DRIscreen * +driCreateNewScreen(int scrn, + const __DRIversion *ddx_version, + const __DRIversion *dri_version, + const __DRIversion *drm_version, + const __DRIframebuffer *frame_buffer, + drmAddress pSAREA, int fd, + const __DRIextension **extensions, + const __DRIconfig ***driver_modes, + void *loaderPrivate) +{ + static const __DRIextension *emptyExtensionList[] = { NULL }; + __DRIscreen *psp; + + (void) loaderPrivate; + + if (driDriverAPI.InitScreen == NULL) + return NULL; + + psp = calloc(1, sizeof *psp); + if (!psp) + return NULL; + + setupLoaderExtensions(psp, extensions); + + /* + ** NOT_DONE: This is used by the X server to detect when the client + ** has died while holding the drawable lock. The client sets the + ** drawable lock to this value. + */ + psp->drawLockID = 1; + + psp->drm_version = *drm_version; + psp->ddx_version = *ddx_version; + psp->dri_version = *dri_version; + + psp->pSAREA = pSAREA; + psp->lock = (drmLock *) &psp->pSAREA->lock; + + psp->pFB = frame_buffer->base; + psp->fbSize = frame_buffer->size; + psp->fbStride = frame_buffer->stride; + psp->fbWidth = frame_buffer->width; + psp->fbHeight = frame_buffer->height; + psp->devPrivSize = frame_buffer->dev_priv_size; + psp->pDevPriv = frame_buffer->dev_priv; + psp->fbBPP = psp->fbStride * 8 / frame_buffer->width; + + psp->extensions = emptyExtensionList; + psp->fd = fd; + psp->myNum = scrn; + psp->dri2.enabled = GL_FALSE; + + psp->DriverAPI = driDriverAPI; + psp->api_mask = (1 << __DRI_API_OPENGL); + + *driver_modes = driDriverAPI.InitScreen(psp); + if (*driver_modes == NULL) { + free(psp); + return NULL; + } + + return psp; +} + +/** + * DRI2 + */ +static __DRIscreen * +dri2CreateNewScreen(int scrn, int fd, + const __DRIextension **extensions, + const __DRIconfig ***driver_configs, void *data) +{ + static const __DRIextension *emptyExtensionList[] = { NULL }; + __DRIscreen *psp; + drmVersionPtr version; + + if (driDriverAPI.InitScreen2 == NULL) + return NULL; + + psp = calloc(1, sizeof(*psp)); + if (!psp) + return NULL; + + setupLoaderExtensions(psp, extensions); + + version = drmGetVersion(fd); + if (version) { + psp->drm_version.major = version->version_major; + psp->drm_version.minor = version->version_minor; + psp->drm_version.patch = version->version_patchlevel; + drmFreeVersion(version); + } + + psp->extensions = emptyExtensionList; + psp->fd = fd; + psp->myNum = scrn; + psp->dri2.enabled = GL_TRUE; + + psp->DriverAPI = driDriverAPI; + psp->api_mask = (1 << __DRI_API_OPENGL); + *driver_configs = driDriverAPI.InitScreen2(psp); + if (*driver_configs == NULL) { + free(psp); + return NULL; + } + + psp->DriverAPI = driDriverAPI; + psp->loaderPrivate = data; + + driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions, + __dri2NConfigOptions); + driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, + "dri2"); + + return psp; +} + +static const __DRIextension **driGetExtensions(__DRIscreen *psp) +{ + return psp->extensions; +} + +/** Core interface */ +const __DRIcoreExtension driCoreExtension = { + { __DRI_CORE, __DRI_CORE_VERSION }, + NULL, + driDestroyScreen, + driGetExtensions, + driGetConfigAttrib, + driIndexConfigAttrib, + NULL, + driDestroyDrawable, + driSwapBuffers, + NULL, + driCopyContext, + driDestroyContext, + driBindContext, + driUnbindContext +}; + +/** Legacy DRI interface */ +const __DRIlegacyExtension driLegacyExtension = { + { __DRI_LEGACY, __DRI_LEGACY_VERSION }, + driCreateNewScreen, + driCreateNewDrawable, + driCreateNewContext, +}; + +/** DRI2 interface */ +const __DRIdri2Extension driDRI2Extension = { + { __DRI_DRI2, __DRI_DRI2_VERSION }, + dri2CreateNewScreen, + dri2CreateNewDrawable, + dri2CreateNewContext, + dri2GetAPIMask, + dri2CreateNewContextForAPI, + dri2AllocateBuffer, + dri2ReleaseBuffer +}; + +const __DRI2configQueryExtension dri2ConfigQueryExtension = { + { __DRI2_CONFIG_QUERY, __DRI2_CONFIG_QUERY_VERSION }, + dri2ConfigQueryb, + dri2ConfigQueryi, + dri2ConfigQueryf, +}; + +/** + * Calculate amount of swap interval used between GLX buffer swaps. + * + * The usage value, on the range [0,max], is the fraction of total swap + * interval time used between GLX buffer swaps is calculated. + * + * \f$p = t_d / (i * t_r)\f$ + * + * Where \f$t_d\f$ is the time since the last GLX buffer swap, \f$i\f$ is the + * swap interval (as set by \c glXSwapIntervalSGI), and \f$t_r\f$ time + * required for a single vertical refresh period (as returned by \c + * glXGetMscRateOML). + * + * See the documentation for the GLX_MESA_swap_frame_usage extension for more + * details. + * + * \param dPriv Pointer to the private drawable structure. + * \return If less than a single swap interval time period was required + * between GLX buffer swaps, a number greater than 0 and less than + * 1.0 is returned. If exactly one swap interval time period is + * required, 1.0 is returned, and if more than one is required then + * a number greater than 1.0 will be returned. + * + * \sa glXSwapIntervalSGI glXGetMscRateOML + * + * \todo Instead of caching the \c glXGetMscRateOML function pointer, would it + * be possible to cache the sync rate? + */ +float +driCalculateSwapUsage( __DRIdrawable *dPriv, int64_t last_swap_ust, + int64_t current_ust ) +{ + int32_t n; + int32_t d; + int interval; + float usage = 1.0; + __DRIscreen *psp = dPriv->driScreenPriv; + + if ( (*psp->systemTime->getMSCRate)(dPriv, &n, &d, dPriv->loaderPrivate) ) { + interval = (dPriv->swap_interval != 0) ? dPriv->swap_interval : 1; + + + /* We want to calculate + * (current_UST - last_swap_UST) / (interval * us_per_refresh). We get + * current_UST by calling __glXGetUST. last_swap_UST is stored in + * dPriv->swap_ust. interval has already been calculated. + * + * The only tricky part is us_per_refresh. us_per_refresh is + * 1000000 / MSC_rate. We know the MSC_rate is n / d. We can flip it + * around and say us_per_refresh = 1000000 * d / n. Since this goes in + * the denominator of the final calculation, we calculate + * (interval * 1000000 * d) and move n into the numerator. + */ + + usage = (current_ust - last_swap_ust); + usage *= n; + usage /= (interval * d); + usage /= 1000000.0; + } + + return usage; +} + +void +dri2InvalidateDrawable(__DRIdrawable *drawable) +{ + drawable->dri2.stamp++; +} + +/*@}*/ diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.h b/mesalib/src/mesa/drivers/dri/common/dri_util.h index 8d2a38524..3d3d5c9cd 100644 --- a/mesalib/src/mesa/drivers/dri/common/dri_util.h +++ b/mesalib/src/mesa/drivers/dri/common/dri_util.h @@ -1,563 +1,563 @@ -/* - * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file dri_util.h - * DRI utility functions definitions. - * - * This module acts as glue between GLX and the actual hardware driver. A DRI - * driver doesn't really \e have to use any of this - it's optional. But, some - * useful stuff is done here that otherwise would have to be duplicated in most - * drivers. - * - * Basically, these utility functions take care of some of the dirty details of - * screen initialization, context creation, context binding, DRM setup, etc. - * - * These functions are compiled into each DRI driver so libGL.so knows nothing - * about them. - * - * \sa dri_util.c. - * - * \author Kevin E. Martin - * \author Brian Paul - */ - -#ifndef _DRI_UTIL_H_ -#define _DRI_UTIL_H_ - -#include -#include -#include -#include -#include "xmlconfig.h" -#include "main/glheader.h" -#include "main/mtypes.h" -#include "GL/internal/dri_interface.h" - -#define GLX_BAD_CONTEXT 5 - -typedef struct __DRIswapInfoRec __DRIswapInfo; - -/** - * Extensions. - */ -extern const __DRIlegacyExtension driLegacyExtension; -extern const __DRIcoreExtension driCoreExtension; -extern const __DRIdri2Extension driDRI2Extension; -extern const __DRIextension driReadDrawableExtension; -extern const __DRIcopySubBufferExtension driCopySubBufferExtension; -extern const __DRIswapControlExtension driSwapControlExtension; -extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension; -extern const __DRI2configQueryExtension dri2ConfigQueryExtension; - -/** - * Used by DRI_VALIDATE_DRAWABLE_INFO - */ -#define DRI_VALIDATE_DRAWABLE_INFO_ONCE(pDrawPriv) \ - do { \ - if (*(pDrawPriv->pStamp) != pDrawPriv->lastStamp) { \ - __driUtilUpdateDrawableInfo(pDrawPriv); \ - } \ - } while (0) - - -/** - * Utility macro to validate the drawable information. - * - * See __DRIdrawable::pStamp and __DRIdrawable::lastStamp. - */ -#define DRI_VALIDATE_DRAWABLE_INFO(psp, pdp) \ -do { \ - while (*(pdp->pStamp) != pdp->lastStamp) { \ - register unsigned int hwContext = psp->pSAREA->lock.lock & \ - ~(DRM_LOCK_HELD | DRM_LOCK_CONT); \ - DRM_UNLOCK(psp->fd, &psp->pSAREA->lock, hwContext); \ - \ - DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); \ - DRI_VALIDATE_DRAWABLE_INFO_ONCE(pdp); \ - DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); \ - \ - DRM_LIGHT_LOCK(psp->fd, &psp->pSAREA->lock, hwContext); \ - } \ -} while (0) - -/** - * Same as above, but for two drawables simultaneously. - * - */ - -#define DRI_VALIDATE_TWO_DRAWABLES_INFO(psp, pdp, prp) \ -do { \ - while (*((pdp)->pStamp) != (pdp)->lastStamp || \ - *((prp)->pStamp) != (prp)->lastStamp) { \ - register unsigned int hwContext = (psp)->pSAREA->lock.lock & \ - ~(DRM_LOCK_HELD | DRM_LOCK_CONT); \ - DRM_UNLOCK((psp)->fd, &(psp)->pSAREA->lock, hwContext); \ - \ - DRM_SPINLOCK(&(psp)->pSAREA->drawable_lock, (psp)->drawLockID); \ - DRI_VALIDATE_DRAWABLE_INFO_ONCE(pdp); \ - DRI_VALIDATE_DRAWABLE_INFO_ONCE(prp); \ - DRM_SPINUNLOCK(&(psp)->pSAREA->drawable_lock, (psp)->drawLockID); \ - \ - DRM_LIGHT_LOCK((psp)->fd, &(psp)->pSAREA->lock, hwContext); \ - } \ -} while (0) - - -/** - * Driver callback functions. - * - * Each DRI driver must have one of these structures with all the pointers set - * to appropriate functions within the driver. - * - * When glXCreateContext() is called, for example, it'll call a helper function - * dri_util.c which in turn will jump through the \a CreateContext pointer in - * this structure. - */ -struct __DriverAPIRec { - const __DRIconfig **(*InitScreen) (__DRIscreen * priv); - - /** - * Screen destruction callback - */ - void (*DestroyScreen)(__DRIscreen *driScrnPriv); - - /** - * Context creation callback - */ - GLboolean (*CreateContext)(gl_api api, - const struct gl_config *glVis, - __DRIcontext *driContextPriv, - void *sharedContextPrivate); - - /** - * Context destruction callback - */ - void (*DestroyContext)(__DRIcontext *driContextPriv); - - /** - * Buffer (drawable) creation callback - */ - GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv, - __DRIdrawable *driDrawPriv, - const struct gl_config *glVis, - GLboolean pixmapBuffer); - - /** - * Buffer (drawable) destruction callback - */ - void (*DestroyBuffer)(__DRIdrawable *driDrawPriv); - - /** - * Buffer swapping callback - */ - void (*SwapBuffers)(__DRIdrawable *driDrawPriv); - - /** - * Context activation callback - */ - GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv, - __DRIdrawable *driDrawPriv, - __DRIdrawable *driReadPriv); - - /** - * Context unbinding callback - */ - GLboolean (*UnbindContext)(__DRIcontext *driContextPriv); - - /** - * Retrieves statistics about buffer swap operations. Required if - * GLX_OML_sync_control or GLX_MESA_swap_frame_usage is supported. - */ - int (*GetSwapInfo)( __DRIdrawable *dPriv, __DRIswapInfo * sInfo ); - - - /** - * These are required if GLX_OML_sync_control is supported. - */ - /*@{*/ - int (*WaitForMSC)( __DRIdrawable *priv, int64_t target_msc, - int64_t divisor, int64_t remainder, - int64_t * msc ); - int (*WaitForSBC)( __DRIdrawable *priv, int64_t target_sbc, - int64_t * msc, int64_t * sbc ); - - int64_t (*SwapBuffersMSC)( __DRIdrawable *priv, int64_t target_msc, - int64_t divisor, int64_t remainder ); - /*@}*/ - void (*CopySubBuffer)(__DRIdrawable *driDrawPriv, - int x, int y, int w, int h); - - /** - * New version of GetMSC so we can pass drawable data to the low - * level DRM driver (e.g. pipe info). Required if - * GLX_SGI_video_sync or GLX_OML_sync_control is supported. - */ - int (*GetDrawableMSC) ( __DRIscreen * priv, - __DRIdrawable *drawablePrivate, - int64_t *count); - - - - /* DRI2 Entry point */ - const __DRIconfig **(*InitScreen2) (__DRIscreen * priv); - - __DRIbuffer *(*AllocateBuffer) (__DRIscreen *screenPrivate, - unsigned int attachment, - unsigned int format, - int width, int height); - void (*ReleaseBuffer) (__DRIscreen *screenPrivate, __DRIbuffer *buffer); -}; - -extern const struct __DriverAPIRec driDriverAPI; - - -struct __DRIswapInfoRec { - /** - * Number of swapBuffers operations that have been *completed*. - */ - uint64_t swap_count; - - /** - * Unadjusted system time of the last buffer swap. This is the time - * when the swap completed, not the time when swapBuffers was called. - */ - int64_t swap_ust; - - /** - * Number of swap operations that occurred after the swap deadline. That - * is if a swap happens more than swap_interval frames after the previous - * swap, it has missed its deadline. If swap_interval is 0, then the - * swap deadline is 1 frame after the previous swap. - */ - uint64_t swap_missed_count; - - /** - * Amount of time used by the last swap that missed its deadline. This - * is calculated as (__glXGetUST() - swap_ust) / (swap_interval * - * time_for_single_vrefresh)). If the actual value of swap_interval is - * 0, then 1 is used instead. If swap_missed_count is non-zero, this - * should be greater-than 1.0. - */ - float swap_missed_usage; -}; - - -/** - * Per-drawable private DRI driver information. - */ -struct __DRIdrawableRec { - /** - * Kernel drawable handle - */ - drm_drawable_t hHWDrawable; - - /** - * Driver's private drawable information. - * - * This structure is opaque. - */ - void *driverPrivate; - - /** - * Private data from the loader. We just hold on to it and pass - * it back when calling into loader provided functions. - */ - void *loaderPrivate; - - /** - * Reference count for number of context's currently bound to this - * drawable. - * - * Once it reaches zero, the drawable can be destroyed. - * - * \note This behavior will change with GLX 1.3. - */ - int refcount; - - /** - * Index of this drawable information in the SAREA. - */ - unsigned int index; - - /** - * Pointer to the "drawable has changed ID" stamp in the SAREA (or - * to dri2.stamp if DRI2 is being used). - */ - unsigned int *pStamp; - - /** - * Last value of the stamp. - * - * If this differs from the value stored at __DRIdrawable::pStamp, - * then the drawable information has been modified by the X server, and the - * drawable information (below) should be retrieved from the X server. - */ - unsigned int lastStamp; - - /** - * \name Drawable - * - * Drawable information used in software fallbacks. - */ - /*@{*/ - int x; - int y; - int w; - int h; - int numClipRects; - drm_clip_rect_t *pClipRects; - /*@}*/ - - /** - * \name Back and depthbuffer - * - * Information about the back and depthbuffer where different from above. - */ - /*@{*/ - int backX; - int backY; - int backClipRectType; - int numBackClipRects; - drm_clip_rect_t *pBackClipRects; - /*@}*/ - - /** - * \name Vertical blank tracking information - * Used for waiting on vertical blank events. - */ - /*@{*/ - unsigned int vblSeq; - unsigned int vblFlags; - /*@}*/ - - /** - * \name Monotonic MSC tracking - * - * Low level driver is responsible for updating msc_base and - * vblSeq values so that higher level code can calculate - * a new msc value or msc target for a WaitMSC call. The new value - * will be: - * msc = msc_base + get_vblank_count() - vblank_base; - * - * And for waiting on a value, core code will use: - * actual_target = target_msc - msc_base + vblank_base; - */ - /*@{*/ - int64_t vblank_base; - int64_t msc_base; - /*@}*/ - - /** - * Pointer to context to which this drawable is currently bound. - */ - __DRIcontext *driContextPriv; - - /** - * Pointer to screen on which this drawable was created. - */ - __DRIscreen *driScreenPriv; - - /** - * Controls swap interval as used by GLX_SGI_swap_control and - * GLX_MESA_swap_control. - */ - unsigned int swap_interval; - - struct { - unsigned int stamp; - drm_clip_rect_t clipRect; - } dri2; -}; - -/** - * Per-context private driver information. - */ -struct __DRIcontextRec { - /** - * Kernel context handle used to access the device lock. - */ - drm_context_t hHWContext; - - /** - * Device driver's private context data. This structure is opaque. - */ - void *driverPrivate; - - /** - * Pointer to drawable currently bound to this context for drawing. - */ - __DRIdrawable *driDrawablePriv; - - /** - * Pointer to drawable currently bound to this context for reading. - */ - __DRIdrawable *driReadablePriv; - - /** - * Pointer to screen on which this context was created. - */ - __DRIscreen *driScreenPriv; - - /** - * The loaders's private context data. This structure is opaque. - */ - void *loaderPrivate; - - struct { - int draw_stamp; - int read_stamp; - } dri2; -}; - -/** - * Per-screen private driver information. - */ -struct __DRIscreenRec { - /** - * Current screen's number - */ - int myNum; - - /** - * Callback functions into the hardware-specific DRI driver code. - */ - struct __DriverAPIRec DriverAPI; - - const __DRIextension **extensions; - /** - * DDX / 2D driver version information. - */ - __DRIversion ddx_version; - - /** - * DRI X extension version information. - */ - __DRIversion dri_version; - - /** - * DRM (kernel module) version information. - */ - __DRIversion drm_version; - - /** - * ID used when the client sets the drawable lock. - * - * The X server uses this value to detect if the client has died while - * holding the drawable lock. - */ - int drawLockID; - - /** - * File descriptor returned when the kernel device driver is opened. - * - * Used to: - * - authenticate client to kernel - * - map the frame buffer, SAREA, etc. - * - close the kernel device driver - */ - int fd; - - /** - * SAREA pointer - * - * Used to access: - * - the device lock - * - the device-independent per-drawable and per-context(?) information - */ - drm_sarea_t *pSAREA; - - /** - * \name Direct frame buffer access information - * Used for software fallbacks. - */ - /*@{*/ - unsigned char *pFB; - int fbSize; - int fbOrigin; - int fbStride; - int fbWidth; - int fbHeight; - int fbBPP; - /*@}*/ - - /** - * \name Device-dependent private information (stored in the SAREA). - * - * This data is accessed by the client driver only. - */ - /*@{*/ - void *pDevPriv; - int devPrivSize; - /*@}*/ - - /** - * Device-dependent private information (not stored in the SAREA). - * - * This pointer is never touched by the DRI layer. - */ -#ifdef __cplusplus - void *priv; -#else - void *private; -#endif - - /* Extensions provided by the loader. */ - const __DRIgetDrawableInfoExtension *getDrawableInfo; - const __DRIsystemTimeExtension *systemTime; - const __DRIdamageExtension *damage; - - struct { - /* Flag to indicate that this is a DRI2 screen. Many of the above - * fields will not be valid or initializaed in that case. */ - int enabled; - __DRIdri2LoaderExtension *loader; - __DRIimageLookupExtension *image; - __DRIuseInvalidateExtension *useInvalidate; - } dri2; - - /* The lock actually in use, old sarea or DRI2 */ - drmLock *lock; - - driOptionCache optionInfo; - driOptionCache optionCache; - unsigned int api_mask; - void *loaderPrivate; -}; - -extern void -__driUtilUpdateDrawableInfo(__DRIdrawable *pdp); - -extern float -driCalculateSwapUsage( __DRIdrawable *dPriv, - int64_t last_swap_ust, int64_t current_ust ); - -extern GLint -driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ); - -extern void -dri2InvalidateDrawable(__DRIdrawable *drawable); - -#endif /* _DRI_UTIL_H_ */ +/* + * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file dri_util.h + * DRI utility functions definitions. + * + * This module acts as glue between GLX and the actual hardware driver. A DRI + * driver doesn't really \e have to use any of this - it's optional. But, some + * useful stuff is done here that otherwise would have to be duplicated in most + * drivers. + * + * Basically, these utility functions take care of some of the dirty details of + * screen initialization, context creation, context binding, DRM setup, etc. + * + * These functions are compiled into each DRI driver so libGL.so knows nothing + * about them. + * + * \sa dri_util.c. + * + * \author Kevin E. Martin + * \author Brian Paul + */ + +#ifndef _DRI_UTIL_H_ +#define _DRI_UTIL_H_ + +#include +#include +#include +#include +#include "xmlconfig.h" +#include "main/glheader.h" +#include "main/mtypes.h" +#include "GL/internal/dri_interface.h" + +#define GLX_BAD_CONTEXT 5 + +typedef struct __DRIswapInfoRec __DRIswapInfo; + +/** + * Extensions. + */ +extern const __DRIlegacyExtension driLegacyExtension; +extern const __DRIcoreExtension driCoreExtension; +extern const __DRIdri2Extension driDRI2Extension; +extern const __DRIextension driReadDrawableExtension; +extern const __DRIcopySubBufferExtension driCopySubBufferExtension; +extern const __DRIswapControlExtension driSwapControlExtension; +extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension; +extern const __DRI2configQueryExtension dri2ConfigQueryExtension; + +/** + * Used by DRI_VALIDATE_DRAWABLE_INFO + */ +#define DRI_VALIDATE_DRAWABLE_INFO_ONCE(pDrawPriv) \ + do { \ + if (*(pDrawPriv->pStamp) != pDrawPriv->lastStamp) { \ + __driUtilUpdateDrawableInfo(pDrawPriv); \ + } \ + } while (0) + + +/** + * Utility macro to validate the drawable information. + * + * See __DRIdrawable::pStamp and __DRIdrawable::lastStamp. + */ +#define DRI_VALIDATE_DRAWABLE_INFO(psp, pdp) \ +do { \ + while (*(pdp->pStamp) != pdp->lastStamp) { \ + register unsigned int hwContext = psp->pSAREA->lock.lock & \ + ~(DRM_LOCK_HELD | DRM_LOCK_CONT); \ + DRM_UNLOCK(psp->fd, &psp->pSAREA->lock, hwContext); \ + \ + DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); \ + DRI_VALIDATE_DRAWABLE_INFO_ONCE(pdp); \ + DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); \ + \ + DRM_LIGHT_LOCK(psp->fd, &psp->pSAREA->lock, hwContext); \ + } \ +} while (0) + +/** + * Same as above, but for two drawables simultaneously. + * + */ + +#define DRI_VALIDATE_TWO_DRAWABLES_INFO(psp, pdp, prp) \ +do { \ + while (*((pdp)->pStamp) != (pdp)->lastStamp || \ + *((prp)->pStamp) != (prp)->lastStamp) { \ + register unsigned int hwContext = (psp)->pSAREA->lock.lock & \ + ~(DRM_LOCK_HELD | DRM_LOCK_CONT); \ + DRM_UNLOCK((psp)->fd, &(psp)->pSAREA->lock, hwContext); \ + \ + DRM_SPINLOCK(&(psp)->pSAREA->drawable_lock, (psp)->drawLockID); \ + DRI_VALIDATE_DRAWABLE_INFO_ONCE(pdp); \ + DRI_VALIDATE_DRAWABLE_INFO_ONCE(prp); \ + DRM_SPINUNLOCK(&(psp)->pSAREA->drawable_lock, (psp)->drawLockID); \ + \ + DRM_LIGHT_LOCK((psp)->fd, &(psp)->pSAREA->lock, hwContext); \ + } \ +} while (0) + + +/** + * Driver callback functions. + * + * Each DRI driver must have one of these structures with all the pointers set + * to appropriate functions within the driver. + * + * When glXCreateContext() is called, for example, it'll call a helper function + * dri_util.c which in turn will jump through the \a CreateContext pointer in + * this structure. + */ +struct __DriverAPIRec { + const __DRIconfig **(*InitScreen) (__DRIscreen * priv); + + /** + * Screen destruction callback + */ + void (*DestroyScreen)(__DRIscreen *driScrnPriv); + + /** + * Context creation callback + */ + GLboolean (*CreateContext)(gl_api api, + const struct gl_config *glVis, + __DRIcontext *driContextPriv, + void *sharedContextPrivate); + + /** + * Context destruction callback + */ + void (*DestroyContext)(__DRIcontext *driContextPriv); + + /** + * Buffer (drawable) creation callback + */ + GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv, + __DRIdrawable *driDrawPriv, + const struct gl_config *glVis, + GLboolean pixmapBuffer); + + /** + * Buffer (drawable) destruction callback + */ + void (*DestroyBuffer)(__DRIdrawable *driDrawPriv); + + /** + * Buffer swapping callback + */ + void (*SwapBuffers)(__DRIdrawable *driDrawPriv); + + /** + * Context activation callback + */ + GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv, + __DRIdrawable *driDrawPriv, + __DRIdrawable *driReadPriv); + + /** + * Context unbinding callback + */ + GLboolean (*UnbindContext)(__DRIcontext *driContextPriv); + + /** + * Retrieves statistics about buffer swap operations. Required if + * GLX_OML_sync_control or GLX_MESA_swap_frame_usage is supported. + */ + int (*GetSwapInfo)( __DRIdrawable *dPriv, __DRIswapInfo * sInfo ); + + + /** + * These are required if GLX_OML_sync_control is supported. + */ + /*@{*/ + int (*WaitForMSC)( __DRIdrawable *priv, int64_t target_msc, + int64_t divisor, int64_t remainder, + int64_t * msc ); + int (*WaitForSBC)( __DRIdrawable *priv, int64_t target_sbc, + int64_t * msc, int64_t * sbc ); + + int64_t (*SwapBuffersMSC)( __DRIdrawable *priv, int64_t target_msc, + int64_t divisor, int64_t remainder ); + /*@}*/ + void (*CopySubBuffer)(__DRIdrawable *driDrawPriv, + int x, int y, int w, int h); + + /** + * New version of GetMSC so we can pass drawable data to the low + * level DRM driver (e.g. pipe info). Required if + * GLX_SGI_video_sync or GLX_OML_sync_control is supported. + */ + int (*GetDrawableMSC) ( __DRIscreen * priv, + __DRIdrawable *drawablePrivate, + int64_t *count); + + + + /* DRI2 Entry point */ + const __DRIconfig **(*InitScreen2) (__DRIscreen * priv); + + __DRIbuffer *(*AllocateBuffer) (__DRIscreen *screenPrivate, + unsigned int attachment, + unsigned int format, + int width, int height); + void (*ReleaseBuffer) (__DRIscreen *screenPrivate, __DRIbuffer *buffer); +}; + +extern const struct __DriverAPIRec driDriverAPI; + + +struct __DRIswapInfoRec { + /** + * Number of swapBuffers operations that have been *completed*. + */ + uint64_t swap_count; + + /** + * Unadjusted system time of the last buffer swap. This is the time + * when the swap completed, not the time when swapBuffers was called. + */ + int64_t swap_ust; + + /** + * Number of swap operations that occurred after the swap deadline. That + * is if a swap happens more than swap_interval frames after the previous + * swap, it has missed its deadline. If swap_interval is 0, then the + * swap deadline is 1 frame after the previous swap. + */ + uint64_t swap_missed_count; + + /** + * Amount of time used by the last swap that missed its deadline. This + * is calculated as (__glXGetUST() - swap_ust) / (swap_interval * + * time_for_single_vrefresh)). If the actual value of swap_interval is + * 0, then 1 is used instead. If swap_missed_count is non-zero, this + * should be greater-than 1.0. + */ + float swap_missed_usage; +}; + + +/** + * Per-drawable private DRI driver information. + */ +struct __DRIdrawableRec { + /** + * Kernel drawable handle + */ + drm_drawable_t hHWDrawable; + + /** + * Driver's private drawable information. + * + * This structure is opaque. + */ + void *driverPrivate; + + /** + * Private data from the loader. We just hold on to it and pass + * it back when calling into loader provided functions. + */ + void *loaderPrivate; + + /** + * Reference count for number of context's currently bound to this + * drawable. + * + * Once it reaches zero, the drawable can be destroyed. + * + * \note This behavior will change with GLX 1.3. + */ + int refcount; + + /** + * Index of this drawable information in the SAREA. + */ + unsigned int index; + + /** + * Pointer to the "drawable has changed ID" stamp in the SAREA (or + * to dri2.stamp if DRI2 is being used). + */ + unsigned int *pStamp; + + /** + * Last value of the stamp. + * + * If this differs from the value stored at __DRIdrawable::pStamp, + * then the drawable information has been modified by the X server, and the + * drawable information (below) should be retrieved from the X server. + */ + unsigned int lastStamp; + + /** + * \name Drawable + * + * Drawable information used in software fallbacks. + */ + /*@{*/ + int x; + int y; + int w; + int h; + int numClipRects; + drm_clip_rect_t *pClipRects; + /*@}*/ + + /** + * \name Back and depthbuffer + * + * Information about the back and depthbuffer where different from above. + */ + /*@{*/ + int backX; + int backY; + int backClipRectType; + int numBackClipRects; + drm_clip_rect_t *pBackClipRects; + /*@}*/ + + /** + * \name Vertical blank tracking information + * Used for waiting on vertical blank events. + */ + /*@{*/ + unsigned int vblSeq; + unsigned int vblFlags; + /*@}*/ + + /** + * \name Monotonic MSC tracking + * + * Low level driver is responsible for updating msc_base and + * vblSeq values so that higher level code can calculate + * a new msc value or msc target for a WaitMSC call. The new value + * will be: + * msc = msc_base + get_vblank_count() - vblank_base; + * + * And for waiting on a value, core code will use: + * actual_target = target_msc - msc_base + vblank_base; + */ + /*@{*/ + int64_t vblank_base; + int64_t msc_base; + /*@}*/ + + /** + * Pointer to context to which this drawable is currently bound. + */ + __DRIcontext *driContextPriv; + + /** + * Pointer to screen on which this drawable was created. + */ + __DRIscreen *driScreenPriv; + + /** + * Controls swap interval as used by GLX_SGI_swap_control and + * GLX_MESA_swap_control. + */ + unsigned int swap_interval; + + struct { + unsigned int stamp; + drm_clip_rect_t clipRect; + } dri2; +}; + +/** + * Per-context private driver information. + */ +struct __DRIcontextRec { + /** + * Kernel context handle used to access the device lock. + */ + drm_context_t hHWContext; + + /** + * Device driver's private context data. This structure is opaque. + */ + void *driverPrivate; + + /** + * Pointer to drawable currently bound to this context for drawing. + */ + __DRIdrawable *driDrawablePriv; + + /** + * Pointer to drawable currently bound to this context for reading. + */ + __DRIdrawable *driReadablePriv; + + /** + * Pointer to screen on which this context was created. + */ + __DRIscreen *driScreenPriv; + + /** + * The loaders's private context data. This structure is opaque. + */ + void *loaderPrivate; + + struct { + int draw_stamp; + int read_stamp; + } dri2; +}; + +/** + * Per-screen private driver information. + */ +struct __DRIscreenRec { + /** + * Current screen's number + */ + int myNum; + + /** + * Callback functions into the hardware-specific DRI driver code. + */ + struct __DriverAPIRec DriverAPI; + + const __DRIextension **extensions; + /** + * DDX / 2D driver version information. + */ + __DRIversion ddx_version; + + /** + * DRI X extension version information. + */ + __DRIversion dri_version; + + /** + * DRM (kernel module) version information. + */ + __DRIversion drm_version; + + /** + * ID used when the client sets the drawable lock. + * + * The X server uses this value to detect if the client has died while + * holding the drawable lock. + */ + int drawLockID; + + /** + * File descriptor returned when the kernel device driver is opened. + * + * Used to: + * - authenticate client to kernel + * - map the frame buffer, SAREA, etc. + * - close the kernel device driver + */ + int fd; + + /** + * SAREA pointer + * + * Used to access: + * - the device lock + * - the device-independent per-drawable and per-context(?) information + */ + drm_sarea_t *pSAREA; + + /** + * \name Direct frame buffer access information + * Used for software fallbacks. + */ + /*@{*/ + unsigned char *pFB; + int fbSize; + int fbOrigin; + int fbStride; + int fbWidth; + int fbHeight; + int fbBPP; + /*@}*/ + + /** + * \name Device-dependent private information (stored in the SAREA). + * + * This data is accessed by the client driver only. + */ + /*@{*/ + void *pDevPriv; + int devPrivSize; + /*@}*/ + + /** + * Device-dependent private information (not stored in the SAREA). + * + * This pointer is never touched by the DRI layer. + */ +#ifdef __cplusplus + void *priv; +#else + void *private; +#endif + + /* Extensions provided by the loader. */ + const __DRIgetDrawableInfoExtension *getDrawableInfo; + const __DRIsystemTimeExtension *systemTime; + const __DRIdamageExtension *damage; + + struct { + /* Flag to indicate that this is a DRI2 screen. Many of the above + * fields will not be valid or initializaed in that case. */ + int enabled; + __DRIdri2LoaderExtension *loader; + __DRIimageLookupExtension *image; + __DRIuseInvalidateExtension *useInvalidate; + } dri2; + + /* The lock actually in use, old sarea or DRI2 */ + drmLock *lock; + + driOptionCache optionInfo; + driOptionCache optionCache; + unsigned int api_mask; + void *loaderPrivate; +}; + +extern void +__driUtilUpdateDrawableInfo(__DRIdrawable *pdp); + +extern float +driCalculateSwapUsage( __DRIdrawable *dPriv, + int64_t last_swap_ust, int64_t current_ust ); + +extern GLint +driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 ); + +extern void +dri2InvalidateDrawable(__DRIdrawable *drawable); + +#endif /* _DRI_UTIL_H_ */ diff --git a/mesalib/src/mesa/drivers/dri/common/spantmp2.h b/mesalib/src/mesa/drivers/dri/common/spantmp2.h index a398b778e..83cfbb164 100644 --- a/mesalib/src/mesa/drivers/dri/common/spantmp2.h +++ b/mesalib/src/mesa/drivers/dri/common/spantmp2.h @@ -1,936 +1,936 @@ -/* - * Copyright 2000-2001 VA Linux Systems, Inc. - * (C) Copyright IBM Corporation 2004 - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, and/or sell copies of the Software, and to permit persons to whom - * the Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file spantmp2.h - * - * Template file of span read / write functions. - * - * \author Keith Whitwell - * \author Gareth Hughes - * \author Ian Romanick - */ - -#include "main/colormac.h" -#include "spantmp_common.h" - -#ifndef DBG -#define DBG 0 -#endif - -#ifndef HW_READ_CLIPLOOP -#define HW_READ_CLIPLOOP() HW_CLIPLOOP() -#endif - -#ifndef HW_WRITE_CLIPLOOP -#define HW_WRITE_CLIPLOOP() HW_CLIPLOOP() -#endif - -#if (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5) - -/** - ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5 - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -#define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_565( color[0], color[1], color[2] ) - -#define WRITE_RGBA( _x, _y, r, g, b, a ) \ - PUT_VALUE(_x, _y, ((((int)r & 0xf8) << 8) | \ - (((int)g & 0xfc) << 3) | \ - (((int)b & 0xf8) >> 3))) \ - -#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLushort p = GET_VALUE(_x, _y); \ - rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ - rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ - rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ - rgba[3] = 0xff; \ - } while (0) - -#elif (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5_REV) - -/** - ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -#define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_565_REV( color[0], color[1], color[2] ) - -#define WRITE_RGBA( _x, _y, r, g, b, a ) \ - PUT_VALUE(_x, _y, PACK_COLOR_565_REV( r, g, b )) - -#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLushort p = GET_VALUE(_x, _y); \ - p = p << 8 | p >> 8; \ - rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ - rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ - rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ - rgba[3] = 0xff; \ - } while (0) - -#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4) - -/** - ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4 - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -#define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_4444_REV(color[3], color[0], color[1], color[2]) - -#define WRITE_RGBA( _x, _y, r, g, b, a ) \ - PUT_VALUE(_x, _y, PACK_COLOR_4444_REV(a, r, g, b)) \ - -#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLushort p = GET_VALUE(_x, _y); \ - rgba[0] = ((p >> 0) & 0xf) * 0x11; \ - rgba[1] = ((p >> 12) & 0xf) * 0x11; \ - rgba[2] = ((p >> 4) & 0xf) * 0x11; \ - rgba[3] = ((p >> 8) & 0xf) * 0x11; \ - } while (0) - - -#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4_REV) - -/** - ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -#define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_4444(color[3], color[0], color[1], color[2]) - -#define WRITE_RGBA( _x, _y, r, g, b, a ) \ - PUT_VALUE(_x, _y, PACK_COLOR_4444(a, r, g, b)) \ - -#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLushort p = GET_VALUE(_x, _y); \ - rgba[0] = ((p >> 8) & 0xf) * 0x11; \ - rgba[1] = ((p >> 4) & 0xf) * 0x11; \ - rgba[2] = ((p >> 0) & 0xf) * 0x11; \ - rgba[3] = ((p >> 12) & 0xf) * 0x11; \ - } while (0) - - -#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5_REV) - -/** - ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -#define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_1555(color[3], color[0], color[1], color[2]) - -#define WRITE_RGBA( _x, _y, r, g, b, a ) \ - PUT_VALUE(_x, _y, PACK_COLOR_1555(a, r, g, b)) \ - -#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLushort p = GET_VALUE(_x, _y); \ - rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \ - rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \ - rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ - rgba[3] = ((p >> 15) & 0x1) * 0xff; \ - } while (0) - -#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5) - -/** - ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5 - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -#define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_1555_REV(color[3], color[0], color[1], color[2]) - -#define WRITE_RGBA( _x, _y, r, g, b, a ) \ - PUT_VALUE(_x, _y, PACK_COLOR_1555_REV(a, r, g, b)) \ - -#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLushort p = GET_VALUE(_x, _y); \ - p = p << 8 | p >> 8; \ - rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \ - rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \ - rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ - rgba[3] = ((p >> 15) & 0x1) * 0xff; \ - } while (0) - -#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) - -/** - ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -# define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_8888(color[3], color[0], color[1], color[2]) - -# define WRITE_RGBA(_x, _y, r, g, b, a) \ - PUT_VALUE(_x, _y, ((r << 16) | \ - (g << 8) | \ - (b << 0) | \ - (a << 24))) - -#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) - -# if defined( USE_X86_ASM ) -# define READ_RGBA(rgba, _x, _y) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - __asm__ __volatile__( "bswap %0; rorl $8, %0" \ - : "=r" (p) : "0" (p) ); \ - ((GLuint *)rgba)[0] = p; \ - } while (0) -# elif defined( MESA_BIG_ENDIAN ) - /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single - * rotlwi instruction. It also produces good code on SPARC. - */ -# define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - GLuint t = p; \ - *((uint32_t *) rgba) = (t >> 24) | (p << 8); \ - } while (0) -# else -# define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - rgba[0] = (p >> 16) & 0xff; \ - rgba[1] = (p >> 8) & 0xff; \ - rgba[2] = (p >> 0) & 0xff; \ - rgba[3] = (p >> 24) & 0xff; \ - } while (0) -# endif - -#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8) - -/** - ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8 - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -# define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_8888(color[2], color[1], color[0], color[3]) - -# define WRITE_RGBA(_x, _y, r, g, b, a) \ - PUT_VALUE(_x, _y, ((r << 8) | \ - (g << 16) | \ - (b << 24) | \ - (a << 0))) - -#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) - -# if defined( USE_X86_ASM ) -# define READ_RGBA(rgba, _x, _y) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - __asm__ __volatile__( "rorl $8, %0" \ - : "=r" (p) : "0" (p) ); \ - ((GLuint *)rgba)[0] = p; \ - } while (0) -# elif defined( MESA_BIG_ENDIAN ) - /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single - * rotlwi instruction. It also produces good code on SPARC. - */ -# define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLuint p = CPU_TO_LE32(GET_VALUE(_x, _y)); \ - GLuint t = p; \ - *((uint32_t *) rgba) = (t >> 24) | (p << 8); \ - } while (0) -# else -# define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - rgba[0] = (p >> 8) & 0xff; \ - rgba[1] = (p >> 16) & 0xff; \ - rgba[2] = (p >> 24) & 0xff; \ - rgba[3] = (p >> 0) & 0xff; \ - } while (0) -# endif - -#elif (SPANTMP_PIXEL_FMT == GL_BGR) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) - -/** - ** GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV - ** - ** This is really for MESA_FORMAT_XRGB8888. The spantmp code needs to be - ** kicked to the curb, and we need to just code-gen this. - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -# define INIT_MONO_PIXEL(p, color) \ - p = PACK_COLOR_8888(0xff, color[0], color[1], color[2]) - -# define WRITE_RGBA(_x, _y, r, g, b, a) \ - PUT_VALUE(_x, _y, ((r << 16) | \ - (g << 8) | \ - (b << 0) | \ - (0xff << 24))) - -#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) - -# if defined( USE_X86_ASM ) -# define READ_RGBA(rgba, _x, _y) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - __asm__ __volatile__( "bswap %0; rorl $8, %0" \ - : "=r" (p) : "0" (p) ); \ - ((GLuint *)rgba)[0] = p | 0xff000000; \ - } while (0) -# elif defined( MESA_BIG_ENDIAN ) - /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single - * rotlwi instruction. It also produces good code on SPARC. - */ -# define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - *((uint32_t *) rgba) = (p << 8) | 0xff; \ - } while (0) -# else -# define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLuint p = GET_VALUE(_x, _y); \ - rgba[0] = (p >> 16) & 0xff; \ - rgba[1] = (p >> 8) & 0xff; \ - rgba[2] = (p >> 0) & 0xff; \ - rgba[3] = 0xff; \ - } while (0) -# endif - -#elif (SPANTMP_PIXEL_FMT == GL_ALPHA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_BYTE) - -/** - ** GL_ALPHA, GL_UNSIGNED_BYTE - **/ - -#ifndef GET_VALUE -#ifndef GET_PTR -#define GET_PTR(_x, _y) ( buf + (_x) + (_y) * pitch) -#endif - -#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y)) -#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v) -#endif /* GET_VALUE */ - -# define INIT_MONO_PIXEL(p, color) \ - p = color[3] - -# define WRITE_RGBA(_x, _y, r, g, b, a) \ - PUT_VALUE(_x, _y, a | (r & 0 /* quiet warnings */)) - -#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) - -#define READ_RGBA( rgba, _x, _y ) \ - do { \ - GLubyte p = GET_VALUE(_x, _y); \ - rgba[0] = 0; \ - rgba[1] = 0; \ - rgba[2] = 0; \ - rgba[3] = p; \ - } while (0) - -#else -#error SPANTMP_PIXEL_FMT must be set to a valid value! -#endif - - - -/** - ** Assembly routines. - **/ - -#if defined( USE_MMX_ASM ) || defined( USE_SSE_ASM ) -#include "x86/read_rgba_span_x86.h" -#include "x86/common_x86_asm.h" -#endif - -static void TAG(WriteRGBASpan)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, const GLubyte mask[] ) -{ - (void) ctx; - - HW_WRITE_LOCK() - { - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - GLint x1; - GLint n1; - LOCAL_VARS; - - y = Y_FLIP(y); - - HW_WRITE_CLIPLOOP() - { - GLint i = 0; - CLIPSPAN(x,y,n,x1,n1,i); - - if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n", - (int)i, (int)n1, (int)x1); - - if (mask) - { - for (;n1>0;i++,x1++,n1--) - if (mask[i]) - WRITE_RGBA( x1, y, - rgba[i][0], rgba[i][1], - rgba[i][2], rgba[i][3] ); - } - else - { - for (;n1>0;i++,x1++,n1--) - WRITE_RGBA( x1, y, - rgba[i][0], rgba[i][1], - rgba[i][2], rgba[i][3] ); - } - } - HW_ENDCLIPLOOP(); - } - HW_WRITE_UNLOCK(); -} - -static void TAG(WriteRGBSpan)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, const GLubyte mask[] ) -{ - (void) ctx; - - HW_WRITE_LOCK() - { - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - GLint x1; - GLint n1; - LOCAL_VARS; - - y = Y_FLIP(y); - - HW_WRITE_CLIPLOOP() - { - GLint i = 0; - CLIPSPAN(x,y,n,x1,n1,i); - - if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n", - (int)i, (int)n1, (int)x1); - - if (mask) - { - for (;n1>0;i++,x1++,n1--) - if (mask[i]) - WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); - } - else - { - for (;n1>0;i++,x1++,n1--) - WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); - } - } - HW_ENDCLIPLOOP(); - } - HW_WRITE_UNLOCK(); -} - -static void TAG(WriteRGBAPixels)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - const void *values, const GLubyte mask[] ) -{ - (void) ctx; - - HW_WRITE_LOCK() - { - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - GLint i; - LOCAL_VARS; - - if (DBG) fprintf(stderr, "WriteRGBAPixels\n"); - - HW_WRITE_CLIPLOOP() - { - if (mask) - { - for (i=0;i0;i++,x1++,n1--) - if (mask[i]) - WRITE_PIXEL( x1, y, p ); - } - else - { - for (;n1>0;i++,x1++,n1--) - WRITE_PIXEL( x1, y, p ); - } - } - HW_ENDCLIPLOOP(); - } - HW_WRITE_UNLOCK(); -} - - -static void TAG(WriteMonoRGBAPixels)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, - const GLint x[], const GLint y[], - const void *value, - const GLubyte mask[] ) -{ - (void) ctx; - - HW_WRITE_LOCK() - { - const GLubyte *color = (const GLubyte *) value; - GLint i; - LOCAL_VARS; - INIT_MONO_PIXEL(p, color); - - if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n"); - - HW_WRITE_CLIPLOOP() - { - if (mask) - { - for (i=0;i0;i++,x1++,n1--) - READ_RGBA( rgba[i], x1, y ); - } - HW_ENDCLIPLOOP(); - } - HW_READ_UNLOCK(); -} - - -#if defined(GET_PTR) && \ - defined(USE_MMX_ASM) && \ - (((SPANTMP_PIXEL_FMT == GL_BGRA) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)) || \ - ((SPANTMP_PIXEL_FMT == GL_RGB) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5))) -static void TAG2(ReadRGBASpan,_MMX)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, void *values) -{ -#ifndef USE_INNER_EMMS - /* The EMMS instruction is directly in-lined here because using GCC's - * built-in _mm_empty function was found to utterly destroy performance. - */ - __asm__ __volatile__( "emms" ); -#endif - - (void) ctx; - - HW_READ_LOCK() - { - GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; - GLint x1,n1; - LOCAL_VARS; - - y = Y_FLIP(y); - - if (DBG) fprintf(stderr, "ReadRGBASpan\n"); - - HW_READ_CLIPLOOP() - { - GLint i = 0; - CLIPSPAN(x,y,n,x1,n1,i); - - { - const void * src = GET_PTR( x1, y ); -#if (SPANTMP_PIXEL_FMT == GL_RGB) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5) - _generic_read_RGBA_span_RGB565_MMX( src, rgba[i], n1 ); -#else - _generic_read_RGBA_span_BGRA8888_REV_MMX( src, rgba[i], n1 ); -#endif - } - } - HW_ENDCLIPLOOP(); - } - HW_READ_UNLOCK(); -#ifndef USE_INNER_EMMS - __asm__ __volatile__( "emms" ); -#endif -} -#endif - - -#if defined(GET_PTR) && \ - defined(USE_SSE_ASM) && \ - (SPANTMP_PIXEL_FMT == GL_BGRA) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) -static void TAG2(ReadRGBASpan,_SSE2)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - void *values) -{ - (void) ctx; - - HW_READ_LOCK() - { - GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; - GLint x1,n1; - LOCAL_VARS; - - y = Y_FLIP(y); - - if (DBG) fprintf(stderr, "ReadRGBASpan\n"); - - HW_READ_CLIPLOOP() - { - GLint i = 0; - CLIPSPAN(x,y,n,x1,n1,i); - - { - const void * src = GET_PTR( x1, y ); - _generic_read_RGBA_span_BGRA8888_REV_SSE2( src, rgba[i], n1 ); - } - } - HW_ENDCLIPLOOP(); - } - HW_READ_UNLOCK(); -} -#endif - -#if defined(GET_PTR) && \ - defined(USE_SSE_ASM) && \ - (SPANTMP_PIXEL_FMT == GL_BGRA) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) -static void TAG2(ReadRGBASpan,_SSE)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - void *values) -{ -#ifndef USE_INNER_EMMS - /* The EMMS instruction is directly in-lined here because using GCC's - * built-in _mm_empty function was found to utterly destroy performance. - */ - __asm__ __volatile__( "emms" ); -#endif - - (void) ctx; - - HW_READ_LOCK() - { - GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; - GLint x1,n1; - LOCAL_VARS; - - y = Y_FLIP(y); - - if (DBG) fprintf(stderr, "ReadRGBASpan\n"); - - HW_READ_CLIPLOOP() - { - GLint i = 0; - CLIPSPAN(x,y,n,x1,n1,i); - - { - const void * src = GET_PTR( x1, y ); - _generic_read_RGBA_span_BGRA8888_REV_SSE( src, rgba[i], n1 ); - } - } - HW_ENDCLIPLOOP(); - } - HW_READ_UNLOCK(); -#ifndef USE_INNER_EMMS - __asm__ __volatile__( "emms" ); -#endif -} -#endif - - -static void TAG(ReadRGBAPixels)( struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - void *values ) -{ - (void) ctx; - - HW_READ_LOCK() - { - GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; - GLint i; - LOCAL_VARS; - - if (DBG) fprintf(stderr, "ReadRGBAPixels\n"); - - HW_READ_CLIPLOOP() - { - for (i=0;iPutRow = TAG(WriteRGBASpan); - rb->PutRowRGB = TAG(WriteRGBSpan); - rb->PutMonoRow = TAG(WriteMonoRGBASpan); - rb->PutValues = TAG(WriteRGBAPixels); - rb->PutMonoValues = TAG(WriteMonoRGBAPixels); - rb->GetValues = TAG(ReadRGBAPixels); - -#if defined(GET_PTR) -#if defined(USE_SSE_ASM) && \ - (SPANTMP_PIXEL_FMT == GL_BGRA) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) - if ( cpu_has_xmm2 ) { - if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "SSE2" ); - rb->GetRow = TAG2(ReadRGBASpan, _SSE2); - } - else -#endif -#if defined(USE_SSE_ASM) && \ - (SPANTMP_PIXEL_FMT == GL_BGRA) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) - if ( cpu_has_xmm ) { - if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "SSE" ); - rb->GetRow = TAG2(ReadRGBASpan, _SSE); - } - else -#endif -#if defined(USE_MMX_ASM) && \ - (((SPANTMP_PIXEL_FMT == GL_BGRA) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)) || \ - ((SPANTMP_PIXEL_FMT == GL_RGB) && \ - (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5))) - if ( cpu_has_mmx ) { - if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "MMX" ); - rb->GetRow = TAG2(ReadRGBASpan, _MMX); - } - else -#endif -#endif /* GET_PTR */ - { - if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "C" ); - rb->GetRow = TAG(ReadRGBASpan); - } - -} - - -#undef INIT_MONO_PIXEL -#undef WRITE_PIXEL -#undef WRITE_RGBA -#undef READ_RGBA -#undef TAG -#undef TAG2 -#undef GET_VALUE -#undef PUT_VALUE -#undef GET_PTR -#undef SPANTMP_PIXEL_FMT -#undef SPANTMP_PIXEL_TYPE +/* + * Copyright 2000-2001 VA Linux Systems, Inc. + * (C) Copyright IBM Corporation 2004 + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file spantmp2.h + * + * Template file of span read / write functions. + * + * \author Keith Whitwell + * \author Gareth Hughes + * \author Ian Romanick + */ + +#include "main/colormac.h" +#include "spantmp_common.h" + +#ifndef DBG +#define DBG 0 +#endif + +#ifndef HW_READ_CLIPLOOP +#define HW_READ_CLIPLOOP() HW_CLIPLOOP() +#endif + +#ifndef HW_WRITE_CLIPLOOP +#define HW_WRITE_CLIPLOOP() HW_CLIPLOOP() +#endif + +#if (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5) + +/** + ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_565( color[0], color[1], color[2] ) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, ((((int)r & 0xf8) << 8) | \ + (((int)g & 0xfc) << 3) | \ + (((int)b & 0xf8) >> 3))) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ + rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ + rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + rgba[3] = 0xff; \ + } while (0) + +#elif (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5_REV) + +/** + ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_565_REV( color[0], color[1], color[2] ) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_565_REV( r, g, b )) + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + p = p << 8 | p >> 8; \ + rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ + rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ + rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + rgba[3] = 0xff; \ + } while (0) + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4) + +/** + ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_4444_REV(color[3], color[0], color[1], color[2]) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_4444_REV(a, r, g, b)) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + rgba[0] = ((p >> 0) & 0xf) * 0x11; \ + rgba[1] = ((p >> 12) & 0xf) * 0x11; \ + rgba[2] = ((p >> 4) & 0xf) * 0x11; \ + rgba[3] = ((p >> 8) & 0xf) * 0x11; \ + } while (0) + + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4_REV) + +/** + ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_4444(color[3], color[0], color[1], color[2]) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_4444(a, r, g, b)) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + rgba[0] = ((p >> 8) & 0xf) * 0x11; \ + rgba[1] = ((p >> 4) & 0xf) * 0x11; \ + rgba[2] = ((p >> 0) & 0xf) * 0x11; \ + rgba[3] = ((p >> 12) & 0xf) * 0x11; \ + } while (0) + + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5_REV) + +/** + ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_1555(color[3], color[0], color[1], color[2]) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_1555(a, r, g, b)) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \ + rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \ + rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + rgba[3] = ((p >> 15) & 0x1) * 0xff; \ + } while (0) + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5) + +/** + ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_1555_REV(color[3], color[0], color[1], color[2]) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_1555_REV(a, r, g, b)) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + p = p << 8 | p >> 8; \ + rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \ + rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \ + rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + rgba[3] = ((p >> 15) & 0x1) * 0xff; \ + } while (0) + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) + +/** + ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +# define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_8888(color[3], color[0], color[1], color[2]) + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, ((r << 16) | \ + (g << 8) | \ + (b << 0) | \ + (a << 24))) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +# if defined( USE_X86_ASM ) +# define READ_RGBA(rgba, _x, _y) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + __asm__ __volatile__( "bswap %0; rorl $8, %0" \ + : "=r" (p) : "0" (p) ); \ + ((GLuint *)rgba)[0] = p; \ + } while (0) +# elif defined( MESA_BIG_ENDIAN ) + /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single + * rotlwi instruction. It also produces good code on SPARC. + */ +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + GLuint t = p; \ + *((uint32_t *) rgba) = (t >> 24) | (p << 8); \ + } while (0) +# else +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + rgba[0] = (p >> 16) & 0xff; \ + rgba[1] = (p >> 8) & 0xff; \ + rgba[2] = (p >> 0) & 0xff; \ + rgba[3] = (p >> 24) & 0xff; \ + } while (0) +# endif + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8) + +/** + ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +# define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_8888(color[2], color[1], color[0], color[3]) + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, ((r << 8) | \ + (g << 16) | \ + (b << 24) | \ + (a << 0))) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +# if defined( USE_X86_ASM ) +# define READ_RGBA(rgba, _x, _y) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + __asm__ __volatile__( "rorl $8, %0" \ + : "=r" (p) : "0" (p) ); \ + ((GLuint *)rgba)[0] = p; \ + } while (0) +# elif defined( MESA_BIG_ENDIAN ) + /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single + * rotlwi instruction. It also produces good code on SPARC. + */ +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = CPU_TO_LE32(GET_VALUE(_x, _y)); \ + GLuint t = p; \ + *((uint32_t *) rgba) = (t >> 24) | (p << 8); \ + } while (0) +# else +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + rgba[0] = (p >> 8) & 0xff; \ + rgba[1] = (p >> 16) & 0xff; \ + rgba[2] = (p >> 24) & 0xff; \ + rgba[3] = (p >> 0) & 0xff; \ + } while (0) +# endif + +#elif (SPANTMP_PIXEL_FMT == GL_BGR) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) + +/** + ** GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV + ** + ** This is really for MESA_FORMAT_XRGB8888. The spantmp code needs to be + ** kicked to the curb, and we need to just code-gen this. + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +# define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_8888(0xff, color[0], color[1], color[2]) + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, ((r << 16) | \ + (g << 8) | \ + (b << 0) | \ + (0xff << 24))) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +# if defined( USE_X86_ASM ) +# define READ_RGBA(rgba, _x, _y) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + __asm__ __volatile__( "bswap %0; rorl $8, %0" \ + : "=r" (p) : "0" (p) ); \ + ((GLuint *)rgba)[0] = p | 0xff000000; \ + } while (0) +# elif defined( MESA_BIG_ENDIAN ) + /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single + * rotlwi instruction. It also produces good code on SPARC. + */ +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + *((uint32_t *) rgba) = (p << 8) | 0xff; \ + } while (0) +# else +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + rgba[0] = (p >> 16) & 0xff; \ + rgba[1] = (p >> 8) & 0xff; \ + rgba[2] = (p >> 0) & 0xff; \ + rgba[3] = 0xff; \ + } while (0) +# endif + +#elif (SPANTMP_PIXEL_FMT == GL_ALPHA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_BYTE) + +/** + ** GL_ALPHA, GL_UNSIGNED_BYTE + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) ( buf + (_x) + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +# define INIT_MONO_PIXEL(p, color) \ + p = color[3] + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, a | (r & 0 /* quiet warnings */)) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLubyte p = GET_VALUE(_x, _y); \ + rgba[0] = 0; \ + rgba[1] = 0; \ + rgba[2] = 0; \ + rgba[3] = p; \ + } while (0) + +#else +#error SPANTMP_PIXEL_FMT must be set to a valid value! +#endif + + + +/** + ** Assembly routines. + **/ + +#if defined( USE_MMX_ASM ) || defined( USE_SSE_ASM ) +#include "x86/read_rgba_span_x86.h" +#include "x86/common_x86_asm.h" +#endif + +static void TAG(WriteRGBASpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, const GLubyte mask[] ) +{ + (void) ctx; + + HW_WRITE_LOCK() + { + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + GLint x1; + GLint n1; + LOCAL_VARS; + + y = Y_FLIP(y); + + HW_WRITE_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + + if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n", + (int)i, (int)n1, (int)x1); + + if (mask) + { + for (;n1>0;i++,x1++,n1--) + if (mask[i]) + WRITE_RGBA( x1, y, + rgba[i][0], rgba[i][1], + rgba[i][2], rgba[i][3] ); + } + else + { + for (;n1>0;i++,x1++,n1--) + WRITE_RGBA( x1, y, + rgba[i][0], rgba[i][1], + rgba[i][2], rgba[i][3] ); + } + } + HW_ENDCLIPLOOP(); + } + HW_WRITE_UNLOCK(); +} + +static void TAG(WriteRGBSpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, const GLubyte mask[] ) +{ + (void) ctx; + + HW_WRITE_LOCK() + { + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + GLint x1; + GLint n1; + LOCAL_VARS; + + y = Y_FLIP(y); + + HW_WRITE_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + + if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n", + (int)i, (int)n1, (int)x1); + + if (mask) + { + for (;n1>0;i++,x1++,n1--) + if (mask[i]) + WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); + } + else + { + for (;n1>0;i++,x1++,n1--) + WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); + } + } + HW_ENDCLIPLOOP(); + } + HW_WRITE_UNLOCK(); +} + +static void TAG(WriteRGBAPixels)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + const void *values, const GLubyte mask[] ) +{ + (void) ctx; + + HW_WRITE_LOCK() + { + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + GLint i; + LOCAL_VARS; + + if (DBG) fprintf(stderr, "WriteRGBAPixels\n"); + + HW_WRITE_CLIPLOOP() + { + if (mask) + { + for (i=0;i0;i++,x1++,n1--) + if (mask[i]) + WRITE_PIXEL( x1, y, p ); + } + else + { + for (;n1>0;i++,x1++,n1--) + WRITE_PIXEL( x1, y, p ); + } + } + HW_ENDCLIPLOOP(); + } + HW_WRITE_UNLOCK(); +} + + +static void TAG(WriteMonoRGBAPixels)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, + const GLint x[], const GLint y[], + const void *value, + const GLubyte mask[] ) +{ + (void) ctx; + + HW_WRITE_LOCK() + { + const GLubyte *color = (const GLubyte *) value; + GLint i; + LOCAL_VARS; + INIT_MONO_PIXEL(p, color); + + if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n"); + + HW_WRITE_CLIPLOOP() + { + if (mask) + { + for (i=0;i0;i++,x1++,n1--) + READ_RGBA( rgba[i], x1, y ); + } + HW_ENDCLIPLOOP(); + } + HW_READ_UNLOCK(); +} + + +#if defined(GET_PTR) && \ + defined(USE_MMX_ASM) && \ + (((SPANTMP_PIXEL_FMT == GL_BGRA) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)) || \ + ((SPANTMP_PIXEL_FMT == GL_RGB) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5))) +static void TAG2(ReadRGBASpan,_MMX)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, void *values) +{ +#ifndef USE_INNER_EMMS + /* The EMMS instruction is directly in-lined here because using GCC's + * built-in _mm_empty function was found to utterly destroy performance. + */ + __asm__ __volatile__( "emms" ); +#endif + + (void) ctx; + + HW_READ_LOCK() + { + GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; + GLint x1,n1; + LOCAL_VARS; + + y = Y_FLIP(y); + + if (DBG) fprintf(stderr, "ReadRGBASpan\n"); + + HW_READ_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + + { + const void * src = GET_PTR( x1, y ); +#if (SPANTMP_PIXEL_FMT == GL_RGB) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5) + _generic_read_RGBA_span_RGB565_MMX( src, rgba[i], n1 ); +#else + _generic_read_RGBA_span_BGRA8888_REV_MMX( src, rgba[i], n1 ); +#endif + } + } + HW_ENDCLIPLOOP(); + } + HW_READ_UNLOCK(); +#ifndef USE_INNER_EMMS + __asm__ __volatile__( "emms" ); +#endif +} +#endif + + +#if defined(GET_PTR) && \ + defined(USE_SSE_ASM) && \ + (SPANTMP_PIXEL_FMT == GL_BGRA) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) +static void TAG2(ReadRGBASpan,_SSE2)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + void *values) +{ + (void) ctx; + + HW_READ_LOCK() + { + GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; + GLint x1,n1; + LOCAL_VARS; + + y = Y_FLIP(y); + + if (DBG) fprintf(stderr, "ReadRGBASpan\n"); + + HW_READ_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + + { + const void * src = GET_PTR( x1, y ); + _generic_read_RGBA_span_BGRA8888_REV_SSE2( src, rgba[i], n1 ); + } + } + HW_ENDCLIPLOOP(); + } + HW_READ_UNLOCK(); +} +#endif + +#if defined(GET_PTR) && \ + defined(USE_SSE_ASM) && \ + (SPANTMP_PIXEL_FMT == GL_BGRA) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) +static void TAG2(ReadRGBASpan,_SSE)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + void *values) +{ +#ifndef USE_INNER_EMMS + /* The EMMS instruction is directly in-lined here because using GCC's + * built-in _mm_empty function was found to utterly destroy performance. + */ + __asm__ __volatile__( "emms" ); +#endif + + (void) ctx; + + HW_READ_LOCK() + { + GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; + GLint x1,n1; + LOCAL_VARS; + + y = Y_FLIP(y); + + if (DBG) fprintf(stderr, "ReadRGBASpan\n"); + + HW_READ_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + + { + const void * src = GET_PTR( x1, y ); + _generic_read_RGBA_span_BGRA8888_REV_SSE( src, rgba[i], n1 ); + } + } + HW_ENDCLIPLOOP(); + } + HW_READ_UNLOCK(); +#ifndef USE_INNER_EMMS + __asm__ __volatile__( "emms" ); +#endif +} +#endif + + +static void TAG(ReadRGBAPixels)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + void *values ) +{ + (void) ctx; + + HW_READ_LOCK() + { + GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; + GLint i; + LOCAL_VARS; + + if (DBG) fprintf(stderr, "ReadRGBAPixels\n"); + + HW_READ_CLIPLOOP() + { + for (i=0;iPutRow = TAG(WriteRGBASpan); + rb->PutRowRGB = TAG(WriteRGBSpan); + rb->PutMonoRow = TAG(WriteMonoRGBASpan); + rb->PutValues = TAG(WriteRGBAPixels); + rb->PutMonoValues = TAG(WriteMonoRGBAPixels); + rb->GetValues = TAG(ReadRGBAPixels); + +#if defined(GET_PTR) +#if defined(USE_SSE_ASM) && \ + (SPANTMP_PIXEL_FMT == GL_BGRA) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) + if ( cpu_has_xmm2 ) { + if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "SSE2" ); + rb->GetRow = TAG2(ReadRGBASpan, _SSE2); + } + else +#endif +#if defined(USE_SSE_ASM) && \ + (SPANTMP_PIXEL_FMT == GL_BGRA) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) + if ( cpu_has_xmm ) { + if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "SSE" ); + rb->GetRow = TAG2(ReadRGBASpan, _SSE); + } + else +#endif +#if defined(USE_MMX_ASM) && \ + (((SPANTMP_PIXEL_FMT == GL_BGRA) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)) || \ + ((SPANTMP_PIXEL_FMT == GL_RGB) && \ + (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5))) + if ( cpu_has_mmx ) { + if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "MMX" ); + rb->GetRow = TAG2(ReadRGBASpan, _MMX); + } + else +#endif +#endif /* GET_PTR */ + { + if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "C" ); + rb->GetRow = TAG(ReadRGBASpan); + } + +} + + +#undef INIT_MONO_PIXEL +#undef WRITE_PIXEL +#undef WRITE_RGBA +#undef READ_RGBA +#undef TAG +#undef TAG2 +#undef GET_VALUE +#undef PUT_VALUE +#undef GET_PTR +#undef SPANTMP_PIXEL_FMT +#undef SPANTMP_PIXEL_TYPE diff --git a/mesalib/src/mesa/drivers/dri/common/texmem.c b/mesalib/src/mesa/drivers/dri/common/texmem.c index 1ba66133f..798ef1ee8 100644 --- a/mesalib/src/mesa/drivers/dri/common/texmem.c +++ b/mesalib/src/mesa/drivers/dri/common/texmem.c @@ -1,1341 +1,1341 @@ -/* - * Copyright 2000-2001 VA Linux Systems, Inc. - * (C) Copyright IBM Corporation 2002, 2003 - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, and/or sell copies of the Software, and to permit persons to whom - * the Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Ian Romanick - * Keith Whitwell - * Kevin E. Martin - * Gareth Hughes - */ - -/** \file texmem.c - * Implements all of the device-independent texture memory management. - * - * Currently, only a simple LRU texture memory management policy is - * implemented. In the (hopefully very near) future, better policies will be - * implemented. The idea is that the DRI should be able to run in one of two - * modes. In the default mode the DRI will dynamically attempt to discover - * the best texture management policy for the running application. In the - * other mode, the user (via some sort of as yet TBD mechanism) will select - * a texture management policy that is known to work well with the - * application. - */ - -#include "main/imports.h" -#include "main/macros.h" -#include "main/simple_list.h" -#include "texmem.h" - - -static unsigned dummy_swap_counter; - - -/** - * Calculate \f$\log_2\f$ of a value. This is a particularly poor - * implementation of this function. However, since system performance is in - * no way dependent on this function, the slowness of the implementation is - * irrelevent. - * - * \param n Value whose \f$\log_2\f$ is to be calculated - */ - -static GLuint -driLog2( GLuint n ) -{ - GLuint log2; - - for ( log2 = 1 ; n > 1 ; log2++ ) { - n >>= 1; - } - - return log2; -} - - - - -/** - * Determine if a texture is resident in textureable memory. Depending on - * the driver, this may or may not be on-card memory. It could be AGP memory - * or anyother type of memory from which the hardware can directly read - * texels. - * - * This function is intended to be used as the \c IsTextureResident function - * in the device's \c dd_function_table. - * - * \param ctx GL context pointer (currently unused) - * \param texObj Texture object to be tested - */ - -GLboolean -driIsTextureResident( struct gl_context * ctx, - struct gl_texture_object * texObj ) -{ - driTextureObject * t; - - - t = (driTextureObject *) texObj->DriverData; - return( (t != NULL) && (t->memBlock != NULL) ); -} - - - - -/** - * (Re)initialize the global circular LRU list. The last element - * in the array (\a heap->nrRegions) is the sentinal. Keeping it - * at the end of the array allows the other elements of the array - * to be addressed rationally when looking up objects at a particular - * location in texture memory. - * - * \param heap Texture heap to be reset - */ - -static void resetGlobalLRU( driTexHeap * heap ) -{ - drmTextureRegionPtr list = heap->global_regions; - unsigned sz = 1U << heap->logGranularity; - unsigned i; - - for (i = 0 ; (i+1) * sz <= heap->size ; i++) { - list[i].prev = i-1; - list[i].next = i+1; - list[i].age = 0; - } - - i--; - list[0].prev = heap->nrRegions; - list[i].prev = i-1; - list[i].next = heap->nrRegions; - list[heap->nrRegions].prev = i; - list[heap->nrRegions].next = 0; - heap->global_age[0] = 0; -} - -/** - * Print out debugging information about the local texture LRU. - * - * \param heap Texture heap to be printed - * \param callername Name of calling function - */ -static void printLocalLRU( driTexHeap * heap, const char *callername ) -{ - driTextureObject *t; - unsigned sz = 1U << heap->logGranularity; - - fprintf( stderr, "%s in %s:\nLocal LRU, heap %d:\n", - __FUNCTION__, callername, heap->heapId ); - - foreach ( t, &heap->texture_objects ) { - if (!t->memBlock) - continue; - if (!t->tObj) { - fprintf( stderr, "Placeholder (%p) %d at 0x%x sz 0x%x\n", - (void *)t, - t->memBlock->ofs / sz, - t->memBlock->ofs, - t->memBlock->size ); - } else { - fprintf( stderr, "Texture (%p) at 0x%x sz 0x%x\n", - (void *)t, - t->memBlock->ofs, - t->memBlock->size ); - } - } - foreach ( t, heap->swapped_objects ) { - if (!t->tObj) { - fprintf( stderr, "Swapped Placeholder (%p)\n", (void *)t ); - } else { - fprintf( stderr, "Swapped Texture (%p)\n", (void *)t ); - } - } - - fprintf( stderr, "\n" ); -} - -/** - * Print out debugging information about the global texture LRU. - * - * \param heap Texture heap to be printed - * \param callername Name of calling function - */ -static void printGlobalLRU( driTexHeap * heap, const char *callername ) -{ - drmTextureRegionPtr list = heap->global_regions; - unsigned int i, j; - - fprintf( stderr, "%s in %s:\nGlobal LRU, heap %d list %p:\n", - __FUNCTION__, callername, heap->heapId, (void *)list ); - - for ( i = 0, j = heap->nrRegions ; i < heap->nrRegions ; i++ ) { - fprintf( stderr, "list[%d] age %d next %d prev %d in_use %d\n", - j, list[j].age, list[j].next, list[j].prev, list[j].in_use ); - j = list[j].next; - if ( j == heap->nrRegions ) break; - } - - if ( j != heap->nrRegions ) { - fprintf( stderr, "Loop detected in global LRU\n" ); - for ( i = 0 ; i < heap->nrRegions ; i++ ) { - fprintf( stderr, "list[%d] age %d next %d prev %d in_use %d\n", - i, list[i].age, list[i].next, list[i].prev, list[i].in_use ); - } - } - - fprintf( stderr, "\n" ); -} - - -/** - * Called by the client whenever it touches a local texture. - * - * \param t Texture object that the client has accessed - */ - -void driUpdateTextureLRU( driTextureObject * t ) -{ - driTexHeap * heap; - drmTextureRegionPtr list; - unsigned shift; - unsigned start; - unsigned end; - unsigned i; - - - heap = t->heap; - if ( heap != NULL ) { - shift = heap->logGranularity; - start = t->memBlock->ofs >> shift; - end = (t->memBlock->ofs + t->memBlock->size - 1) >> shift; - - - heap->local_age = ++heap->global_age[0]; - list = heap->global_regions; - - - /* Update the context's local LRU - */ - - move_to_head( & heap->texture_objects, t ); - - - for (i = start ; i <= end ; i++) { - list[i].age = heap->local_age; - - /* remove_from_list(i) - */ - list[(unsigned)list[i].next].prev = list[i].prev; - list[(unsigned)list[i].prev].next = list[i].next; - - /* insert_at_head(list, i) - */ - list[i].prev = heap->nrRegions; - list[i].next = list[heap->nrRegions].next; - list[(unsigned)list[heap->nrRegions].next].prev = i; - list[heap->nrRegions].next = i; - } - - if ( 0 ) { - printGlobalLRU( heap, __FUNCTION__ ); - printLocalLRU( heap, __FUNCTION__ ); - } - } -} - - - - -/** - * Keep track of swapped out texture objects. - * - * \param t Texture object to be "swapped" out of its texture heap - */ - -void driSwapOutTextureObject( driTextureObject * t ) -{ - unsigned face; - - - if ( t->memBlock != NULL ) { - assert( t->heap != NULL ); - mmFreeMem( t->memBlock ); - t->memBlock = NULL; - - if (t->timestamp > t->heap->timestamp) - t->heap->timestamp = t->timestamp; - - t->heap->texture_swaps[0]++; - move_to_tail( t->heap->swapped_objects, t ); - t->heap = NULL; - } - else { - assert( t->heap == NULL ); - } - - - for ( face = 0 ; face < 6 ; face++ ) { - t->dirty_images[face] = ~0; - } -} - - - - -/** - * Destroy hardware state associated with texture \a t. Calls the - * \a destroy_texture_object method associated with the heap from which - * \a t was allocated. - * - * \param t Texture object to be destroyed - */ - -void driDestroyTextureObject( driTextureObject * t ) -{ - driTexHeap * heap; - - - if ( 0 ) { - fprintf( stderr, "[%s:%d] freeing %p (tObj = %p, DriverData = %p)\n", - __FILE__, __LINE__, - (void *)t, - (void *)((t != NULL) ? t->tObj : NULL), - (void *)((t != NULL && t->tObj != NULL) ? t->tObj->DriverData : NULL )); - } - - if ( t != NULL ) { - if ( t->memBlock ) { - heap = t->heap; - assert( heap != NULL ); - - heap->texture_swaps[0]++; - - mmFreeMem( t->memBlock ); - t->memBlock = NULL; - - if (t->timestamp > t->heap->timestamp) - t->heap->timestamp = t->timestamp; - - heap->destroy_texture_object( heap->driverContext, t ); - t->heap = NULL; - } - - if ( t->tObj != NULL ) { - assert( t->tObj->DriverData == t ); - t->tObj->DriverData = NULL; - } - - remove_from_list( t ); - FREE( t ); - } - - if ( 0 ) { - fprintf( stderr, "[%s:%d] done freeing %p\n", __FILE__, __LINE__, (void *)t ); - } -} - - - - -/** - * Update the local heap's representation of texture memory based on - * data in the SAREA. This is done each time it is detected that some other - * direct rendering client has held the lock. This pertains to both our local - * textures and the textures belonging to other clients. Keep track of other - * client's textures by pushing a placeholder texture onto the LRU list -- - * these are denoted by \a tObj being \a NULL. - * - * \param heap Heap whose state is to be updated - * \param offset Byte offset in the heap that has been stolen - * \param size Size, in bytes, of the stolen block - * \param in_use Non-zero if the block is pinned/reserved by the kernel - */ - -static void driTexturesGone( driTexHeap * heap, int offset, int size, - int in_use ) -{ - driTextureObject * t; - driTextureObject * tmp; - - - foreach_s ( t, tmp, & heap->texture_objects ) { - if ( (t->memBlock->ofs < (offset + size)) - && ((t->memBlock->ofs + t->memBlock->size) > offset) ) { - /* It overlaps - kick it out. If the texture object is just a - * place holder, then destroy it all together. Otherwise, mark - * it as being swapped out. - */ - - if ( t->tObj != NULL ) { - driSwapOutTextureObject( t ); - } - else { - driDestroyTextureObject( t ); - } - } - } - - - { - t = (driTextureObject *) CALLOC( heap->texture_object_size ); - if ( t == NULL ) return; - - t->memBlock = mmAllocMem( heap->memory_heap, size, 0, offset ); - if ( t->memBlock == NULL ) { - fprintf( stderr, "Couldn't alloc placeholder: heap %u sz %x ofs %x\n", heap->heapId, - (int)size, (int)offset ); - mmDumpMemInfo( heap->memory_heap ); - FREE(t); - return; - } - t->heap = heap; - if (in_use) - t->reserved = 1; - insert_at_head( & heap->texture_objects, t ); - } -} - - - - -/** - * Called by the client on lock contention to determine whether textures have - * been stolen. If another client has modified a region in which we have - * textures, then we need to figure out which of our textures have been - * removed and update our global LRU. - * - * \param heap Texture heap to be updated - */ - -void driAgeTextures( driTexHeap * heap ) -{ - drmTextureRegionPtr list = heap->global_regions; - unsigned sz = 1U << (heap->logGranularity); - unsigned i, nr = 0; - - - /* Have to go right round from the back to ensure stuff ends up - * LRU in the local list... Fix with a cursor pointer. - */ - - for (i = list[heap->nrRegions].prev ; - i != heap->nrRegions && nr < heap->nrRegions ; - i = list[i].prev, nr++) { - /* If switching texturing schemes, then the SAREA might not have been - * properly cleared, so we need to reset the global texture LRU. - */ - - if ( (i * sz) > heap->size ) { - nr = heap->nrRegions; - break; - } - - if (list[i].age > heap->local_age) - driTexturesGone( heap, i * sz, sz, list[i].in_use); - } - - /* Loop or uninitialized heap detected. Reset. - */ - - if (nr == heap->nrRegions) { - driTexturesGone( heap, 0, heap->size, 0); - resetGlobalLRU( heap ); - } - - if ( 0 ) { - printGlobalLRU( heap, __FUNCTION__ ); - printLocalLRU( heap, __FUNCTION__ ); - } - - heap->local_age = heap->global_age[0]; -} - - - - -#define INDEX_ARRAY_SIZE 6 /* I'm not aware of driver with more than 2 heaps */ - -/** - * Allocate memory from a texture heap to hold a texture object. This - * routine will attempt to allocate memory for the texture from the heaps - * specified by \c heap_array in order. That is, first it will try to - * allocate from \c heap_array[0], then \c heap_array[1], and so on. - * - * \param heap_array Array of pointers to texture heaps to use - * \param nr_heaps Number of heap pointer in \a heap_array - * \param t Texture object for which space is needed - * \return The ID of the heap from which memory was allocated, or -1 if - * memory could not be allocated. - * - * \bug The replacement policy implemented by this function is horrible. - */ - - -int -driAllocateTexture( driTexHeap * const * heap_array, unsigned nr_heaps, - driTextureObject * t ) -{ - driTexHeap * heap; - driTextureObject * temp; - driTextureObject * cursor; - unsigned id; - - - /* In case it already has texture space, initialize heap. This also - * prevents GCC from issuing a warning that heap might be used - * uninitialized. - */ - - heap = t->heap; - - - /* Run through each of the existing heaps and try to allocate a buffer - * to hold the texture. - */ - - for ( id = 0 ; (t->memBlock == NULL) && (id < nr_heaps) ; id++ ) { - heap = heap_array[ id ]; - if ( heap != NULL ) { - t->memBlock = mmAllocMem( heap->memory_heap, t->totalSize, - heap->alignmentShift, 0 ); - } - } - - - /* Kick textures out until the requested texture fits. - */ - - if ( t->memBlock == NULL ) { - unsigned index[INDEX_ARRAY_SIZE]; - unsigned nrGoodHeaps = 0; - - /* Trying to avoid dynamic memory allocation. If you have more - * heaps, increase INDEX_ARRAY_SIZE. I'm not aware of any - * drivers with more than 2 tex heaps. */ - assert( nr_heaps < INDEX_ARRAY_SIZE ); - - /* Sort large enough heaps by duty. Insertion sort should be - * fast enough for such a short array. */ - for ( id = 0 ; id < nr_heaps ; id++ ) { - heap = heap_array[ id ]; - - if ( heap != NULL && t->totalSize <= heap->size ) { - unsigned j; - - for ( j = 0 ; j < nrGoodHeaps; j++ ) { - if ( heap->duty > heap_array[ index[ j ] ]->duty ) - break; - } - - if ( j < nrGoodHeaps ) { - memmove( &index[ j+1 ], &index[ j ], - sizeof(index[ 0 ]) * (nrGoodHeaps - j) ); - } - - index[ j ] = id; - - nrGoodHeaps++; - } - } - - for ( id = 0 ; (t->memBlock == NULL) && (id < nrGoodHeaps) ; id++ ) { - heap = heap_array[ index[ id ] ]; - - for ( cursor = heap->texture_objects.prev, temp = cursor->prev; - cursor != &heap->texture_objects ; - cursor = temp, temp = cursor->prev ) { - - /* The the LRU element. If the texture is bound to one of - * the texture units, then we cannot kick it out. - */ - if ( cursor->bound || cursor->reserved ) { - continue; - } - - if ( cursor->memBlock ) - heap->duty -= cursor->memBlock->size; - - /* If this is a placeholder, there's no need to keep it */ - if (cursor->tObj) - driSwapOutTextureObject( cursor ); - else - driDestroyTextureObject( cursor ); - - t->memBlock = mmAllocMem( heap->memory_heap, t->totalSize, - heap->alignmentShift, 0 ); - - if (t->memBlock) - break; - } - } - - /* Rebalance duties. If a heap kicked more data than its duty, - * then all other heaps get that amount multiplied with their - * relative weight added to their duty. The negative duty is - * reset to 0. In the end all heaps have a duty >= 0. - * - * CAUTION: we must not change the heap pointer here, because it - * is used below to update the texture object. - */ - for ( id = 0 ; id < nr_heaps ; id++ ) - if ( heap_array[ id ] != NULL && heap_array[ id ]->duty < 0) { - int duty = -heap_array[ id ]->duty; - double weight = heap_array[ id ]->weight; - unsigned j; - - for ( j = 0 ; j < nr_heaps ; j++ ) - if ( j != id && heap_array[ j ] != NULL ) { - heap_array[ j ]->duty += (double) duty * - heap_array[ j ]->weight / weight; - } - - heap_array[ id ]->duty = 0; - } - } - - - if ( t->memBlock != NULL ) { - /* id and heap->heapId may or may not be the same value here. - */ - - assert( heap != NULL ); - assert( (t->heap == NULL) || (t->heap == heap) ); - - t->heap = heap; - return heap->heapId; - } - else { - assert( t->heap == NULL ); - - fprintf( stderr, "[%s:%d] unable to allocate texture\n", - __FUNCTION__, __LINE__ ); - return -1; - } -} - - - - - - -/** - * Set the location where the texture-swap counter is stored. - */ - -void -driSetTextureSwapCounterLocation( driTexHeap * heap, unsigned * counter ) -{ - heap->texture_swaps = (counter == NULL) ? & dummy_swap_counter : counter; -} - - - - -/** - * Create a new heap for texture data. - * - * \param heap_id Device-dependent heap identifier. This value - * will returned by driAllocateTexture when memory - * is allocated from this heap. - * \param context Device-dependent driver context. This is - * supplied as the first parameter to the - * \c destroy_tex_obj function. - * \param size Size, in bytes, of the texture region - * \param alignmentShift Alignment requirement for textures. If textures - * must be allocated on a 4096 byte boundry, this - * would be 12. - * \param nr_regions Number of regions into which this texture space - * should be partitioned - * \param global_regions Array of \c drmTextureRegion structures in the SAREA - * \param global_age Pointer to the global texture age in the SAREA - * \param swapped_objects Pointer to the list of texture objects that are - * not in texture memory (i.e., have been swapped - * out). - * \param texture_object_size Size, in bytes, of a device-dependent texture - * object - * \param destroy_tex_obj Function used to destroy a device-dependent - * texture object - * - * \sa driDestroyTextureHeap - */ - -driTexHeap * -driCreateTextureHeap( unsigned heap_id, void * context, unsigned size, - unsigned alignmentShift, unsigned nr_regions, - drmTextureRegionPtr global_regions, unsigned * global_age, - driTextureObject * swapped_objects, - unsigned texture_object_size, - destroy_texture_object_t * destroy_tex_obj - ) -{ - driTexHeap * heap; - unsigned l; - - - if ( 0 ) - fprintf( stderr, "%s( %u, %p, %u, %u, %u )\n", - __FUNCTION__, - heap_id, (void *)context, size, alignmentShift, nr_regions ); - - heap = (driTexHeap *) CALLOC( sizeof( driTexHeap ) ); - if ( heap != NULL ) { - l = driLog2( (size - 1) / nr_regions ); - if ( l < alignmentShift ) - { - l = alignmentShift; - } - - heap->logGranularity = l; - heap->size = size & ~((1L << l) - 1); - - heap->memory_heap = mmInit( 0, heap->size ); - if ( heap->memory_heap != NULL ) { - heap->heapId = heap_id; - heap->driverContext = context; - - heap->alignmentShift = alignmentShift; - heap->nrRegions = nr_regions; - heap->global_regions = global_regions; - heap->global_age = global_age; - heap->swapped_objects = swapped_objects; - heap->texture_object_size = texture_object_size; - heap->destroy_texture_object = destroy_tex_obj; - - /* Force global heap init */ - if (heap->global_age[0] == 0) - heap->local_age = ~0; - else - heap->local_age = 0; - - make_empty_list( & heap->texture_objects ); - driSetTextureSwapCounterLocation( heap, NULL ); - - heap->weight = heap->size; - heap->duty = 0; - } - else { - FREE( heap ); - heap = NULL; - } - } - - - if ( 0 ) - fprintf( stderr, "%s returning %p\n", __FUNCTION__, (void *)heap ); - - return heap; -} - - - - -/** Destroys a texture heap - * - * \param heap Texture heap to be destroyed - */ - -void -driDestroyTextureHeap( driTexHeap * heap ) -{ - driTextureObject * t; - driTextureObject * temp; - - - if ( heap != NULL ) { - foreach_s( t, temp, & heap->texture_objects ) { - driDestroyTextureObject( t ); - } - foreach_s( t, temp, heap->swapped_objects ) { - driDestroyTextureObject( t ); - } - - mmDestroy( heap->memory_heap ); - FREE( heap ); - } -} - - - - -/****************************************************************************/ -/** - * Determine how many texels (including all mipmap levels) would be required - * for a texture map of size \f$2^^\c base_size_log2\f$ would require. - * - * \param base_size_log2 \f$log_2\f$ of the size of a side of the texture - * \param dimensions Number of dimensions of the texture. Either 2 or 3. - * \param faces Number of faces of the texture. Either 1 or 6 (for cube maps). - * \return Number of texels - */ - -static unsigned -texels_this_map_size( int base_size_log2, unsigned dimensions, unsigned faces ) -{ - unsigned texels; - - - assert( (faces == 1) || (faces == 6) ); - assert( (dimensions == 2) || (dimensions == 3) ); - - texels = 0; - if ( base_size_log2 >= 0 ) { - texels = (1U << (dimensions * base_size_log2)); - - /* See http://www.mail-archive.com/dri-devel@lists.sourceforge.net/msg03636.html - * for the complete explaination of why this formulation is used. - * Basically, the smaller mipmap levels sum to 0.333 the size of the - * level 0 map. The total size is therefore the size of the map - * multipled by 1.333. The +2 is there to round up. - */ - - texels = (texels * 4 * faces + 2) / 3; - } - - return texels; -} - - - - -struct maps_per_heap { - unsigned c[32]; -}; - -static void -fill_in_maximums( driTexHeap * const * heaps, unsigned nr_heaps, - unsigned max_bytes_per_texel, unsigned max_size, - unsigned mipmaps_at_once, unsigned dimensions, - unsigned faces, struct maps_per_heap * max_textures ) -{ - unsigned heap; - unsigned log2_size; - unsigned mask; - - - /* Determine how many textures of each size can be stored in each - * texture heap. - */ - - for ( heap = 0 ; heap < nr_heaps ; heap++ ) { - if ( heaps[ heap ] == NULL ) { - (void) memset( max_textures[ heap ].c, 0, - sizeof( max_textures[ heap ].c ) ); - continue; - } - - mask = (1U << heaps[ heap ]->logGranularity) - 1; - - if ( 0 ) { - fprintf( stderr, "[%s:%d] heap[%u] = %u bytes, mask = 0x%08x\n", - __FILE__, __LINE__, - heap, heaps[ heap ]->size, mask ); - } - - for ( log2_size = max_size ; log2_size > 0 ; log2_size-- ) { - unsigned total; - - - /* Determine the total number of bytes required by a texture of - * size log2_size. - */ - - total = texels_this_map_size( log2_size, dimensions, faces ) - - texels_this_map_size( log2_size - mipmaps_at_once, - dimensions, faces ); - total *= max_bytes_per_texel; - total = (total + mask) & ~mask; - - /* The number of textures of a given size that will fit in a heap - * is equal to the size of the heap divided by the size of the - * texture. - */ - - max_textures[ heap ].c[ log2_size ] = heaps[ heap ]->size / total; - - if ( 0 ) { - fprintf( stderr, "[%s:%d] max_textures[%u].c[%02u] " - "= 0x%08x / 0x%08x " - "= %u (%u)\n", - __FILE__, __LINE__, - heap, log2_size, - heaps[ heap ]->size, total, - heaps[ heap ]->size / total, - max_textures[ heap ].c[ log2_size ] ); - } - } - } -} - - -static unsigned -get_max_size( unsigned nr_heaps, - unsigned texture_units, - unsigned max_size, - int all_textures_one_heap, - struct maps_per_heap * max_textures ) -{ - unsigned heap; - unsigned log2_size; - - - /* Determine the largest texture size such that a texture of that size - * can be bound to each texture unit at the same time. Some hardware - * may require that all textures be in the same texture heap for - * multitexturing. - */ - - for ( log2_size = max_size ; log2_size > 0 ; log2_size-- ) { - unsigned total = 0; - - for ( heap = 0 ; heap < nr_heaps ; heap++ ) - { - total += max_textures[ heap ].c[ log2_size ]; - - if ( 0 ) { - fprintf( stderr, "[%s:%d] max_textures[%u].c[%02u] = %u, " - "total = %u\n", __FILE__, __LINE__, heap, log2_size, - max_textures[ heap ].c[ log2_size ], total ); - } - - if ( (max_textures[ heap ].c[ log2_size ] >= texture_units) - || (!all_textures_one_heap && (total >= texture_units)) ) { - /* The number of mipmap levels is the log-base-2 of the - * maximum texture size plus 1. If the maximum texture size - * is 1x1, the log-base-2 is 0 and 1 mipmap level (the base - * level) is available. - */ - - return log2_size + 1; - } - } - } - - /* This should NEVER happen. It should always be possible to have at - * *least* a 1x1 texture in memory! - */ - assert( log2_size != 0 ); - return 0; -} - -#define SET_MAX(f,v) \ - do { if ( max_sizes[v] != 0 ) { limits-> f = max_sizes[v]; } } while( 0 ) - -#define SET_MAX_RECT(f,v) \ - do { if ( max_sizes[v] != 0 ) { limits-> f = 1 << (max_sizes[v] - 1); } } while( 0 ) - - -/** - * Given the amount of texture memory, the number of texture units, and the - * maximum size of a texel, calculate the maximum texture size the driver can - * advertise. - * - * \param heaps Texture heaps for this card - * \param nr_heap Number of texture heaps - * \param limits OpenGL contants. MaxTextureUnits must be set. - * \param max_bytes_per_texel Maximum size of a single texel, in bytes - * \param max_2D_size \f$\log_2\f$ of the maximum 2D texture size (i.e., - * 1024x1024 textures, this would be 10) - * \param max_3D_size \f$\log_2\f$ of the maximum 3D texture size (i.e., - * 1024x1024x1024 textures, this would be 10) - * \param max_cube_size \f$\log_2\f$ of the maximum cube texture size (i.e., - * 1024x1024 textures, this would be 10) - * \param max_rect_size \f$\log_2\f$ of the maximum texture rectangle size - * (i.e., 1024x1024 textures, this would be 10). This is a power-of-2 - * even though texture rectangles need not be a power-of-2. - * \param mipmaps_at_once Total number of mipmaps that can be used - * at one time. For most hardware this will be \f$\c max_size + 1\f$. - * For hardware that does not support mipmapping, this will be 1. - * \param all_textures_one_heap True if the hardware requires that all - * textures be in a single texture heap for multitexturing. - * \param allow_larger_textures 0 conservative, 1 calculate limits - * so at least one worst-case texture can fit, 2 just use hw limits. - */ - -void -driCalculateMaxTextureLevels( driTexHeap * const * heaps, - unsigned nr_heaps, - struct gl_constants * limits, - unsigned max_bytes_per_texel, - unsigned max_2D_size, - unsigned max_3D_size, - unsigned max_cube_size, - unsigned max_rect_size, - unsigned mipmaps_at_once, - int all_textures_one_heap, - int allow_larger_textures ) -{ - struct maps_per_heap max_textures[8]; - unsigned i; - const unsigned dimensions[4] = { 2, 3, 2, 2 }; - const unsigned faces[4] = { 1, 1, 6, 1 }; - unsigned max_sizes[4]; - unsigned mipmaps[4]; - - - max_sizes[0] = max_2D_size; - max_sizes[1] = max_3D_size; - max_sizes[2] = max_cube_size; - max_sizes[3] = max_rect_size; - - mipmaps[0] = mipmaps_at_once; - mipmaps[1] = mipmaps_at_once; - mipmaps[2] = mipmaps_at_once; - mipmaps[3] = 1; - - - /* Calculate the maximum number of texture levels in two passes. The - * first pass determines how many textures of each power-of-two size - * (including all mipmap levels for that size) can fit in each texture - * heap. The second pass finds the largest texture size that allows - * a texture of that size to be bound to every texture unit. - */ - - for ( i = 0 ; i < 4 ; i++ ) { - if ( (allow_larger_textures != 2) && (max_sizes[ i ] != 0) ) { - fill_in_maximums( heaps, nr_heaps, max_bytes_per_texel, - max_sizes[ i ], mipmaps[ i ], - dimensions[ i ], faces[ i ], - max_textures ); - - max_sizes[ i ] = get_max_size( nr_heaps, - allow_larger_textures == 1 ? - 1 : limits->MaxTextureUnits, - max_sizes[ i ], - all_textures_one_heap, - max_textures ); - } - else if (max_sizes[ i ] != 0) { - max_sizes[ i ] += 1; - } - } - - SET_MAX( MaxTextureLevels, 0 ); - SET_MAX( Max3DTextureLevels, 1 ); - SET_MAX( MaxCubeTextureLevels, 2 ); - SET_MAX_RECT( MaxTextureRectSize, 3 ); -} - - - - -/** - * Perform initial binding of default textures objects on a per unit, per - * texture target basis. - * - * \param ctx Current OpenGL context - * \param swapped List of swapped-out textures - * \param targets Bit-mask of value texture targets - */ - -void driInitTextureObjects( struct gl_context *ctx, driTextureObject * swapped, - GLuint targets ) -{ - struct gl_texture_object *texObj; - GLuint tmp = ctx->Texture.CurrentUnit; - unsigned i; - - - for ( i = 0 ; i < ctx->Const.MaxTextureUnits ; i++ ) { - ctx->Texture.CurrentUnit = i; - - if ( (targets & DRI_TEXMGR_DO_TEXTURE_1D) != 0 ) { - texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_1D_INDEX]; - ctx->Driver.BindTexture( ctx, GL_TEXTURE_1D, texObj ); - move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); - } - - if ( (targets & DRI_TEXMGR_DO_TEXTURE_2D) != 0 ) { - texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_2D_INDEX]; - ctx->Driver.BindTexture( ctx, GL_TEXTURE_2D, texObj ); - move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); - } - - if ( (targets & DRI_TEXMGR_DO_TEXTURE_3D) != 0 ) { - texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_3D_INDEX]; - ctx->Driver.BindTexture( ctx, GL_TEXTURE_3D, texObj ); - move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); - } - - if ( (targets & DRI_TEXMGR_DO_TEXTURE_CUBE) != 0 ) { - texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_CUBE_INDEX]; - ctx->Driver.BindTexture( ctx, GL_TEXTURE_CUBE_MAP_ARB, texObj ); - move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); - } - - if ( (targets & DRI_TEXMGR_DO_TEXTURE_RECT) != 0 ) { - texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_RECT_INDEX]; - ctx->Driver.BindTexture( ctx, GL_TEXTURE_RECTANGLE_NV, texObj ); - move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); - } - } - - ctx->Texture.CurrentUnit = tmp; -} - - - - -/** - * Verify that the specified texture is in the specificed heap. - * - * \param tex Texture to be tested. - * \param heap Texture memory heap to be tested. - * \return True if the texture is in the heap, false otherwise. - */ - -static GLboolean -check_in_heap( const driTextureObject * tex, const driTexHeap * heap ) -{ -#if 1 - return tex->heap == heap; -#else - driTextureObject * curr; - - foreach( curr, & heap->texture_objects ) { - if ( curr == tex ) { - break; - } - } - - return curr == tex; -#endif -} - - - -/****************************************************************************/ -/** - * Validate the consistency of a set of texture heaps. - * Original version by Keith Whitwell in r200/r200_sanity.c. - */ - -GLboolean -driValidateTextureHeaps( driTexHeap * const * texture_heaps, - unsigned nr_heaps, const driTextureObject * swapped ) -{ - driTextureObject *t; - unsigned i; - - for ( i = 0 ; i < nr_heaps ; i++ ) { - int last_end = 0; - unsigned textures_in_heap = 0; - unsigned blocks_in_mempool = 0; - const driTexHeap * heap = texture_heaps[i]; - const struct mem_block *p = heap->memory_heap; - - /* Check each texture object has a MemBlock, and is linked into - * the correct heap. - * - * Check the texobj base address corresponds to the MemBlock - * range. Check the texobj size (recalculate?) fits within - * the MemBlock. - * - * Count the number of texobj's using this heap. - */ - - foreach ( t, &heap->texture_objects ) { - if ( !check_in_heap( t, heap ) ) { - fprintf( stderr, "%s memory block for texture object @ %p not " - "found in heap #%d\n", - __FUNCTION__, (void *)t, i ); - return GL_FALSE; - } - - - if ( t->totalSize > t->memBlock->size ) { - fprintf( stderr, "%s: Memory block for texture object @ %p is " - "only %u bytes, but %u are required\n", - __FUNCTION__, (void *)t, t->totalSize, t->memBlock->size ); - return GL_FALSE; - } - - textures_in_heap++; - } - - /* Validate the contents of the heap: - * - Ordering - * - Overlaps - * - Bounds - */ - - while ( p != NULL ) { - if (p->reserved) { - fprintf( stderr, "%s: Block (%08x,%x), is reserved?!\n", - __FUNCTION__, p->ofs, p->size ); - return GL_FALSE; - } - - if (p->ofs != last_end) { - fprintf( stderr, "%s: blocks_in_mempool = %d, last_end = %d, p->ofs = %d\n", - __FUNCTION__, blocks_in_mempool, last_end, p->ofs ); - return GL_FALSE; - } - - if (!p->reserved && !p->free) { - blocks_in_mempool++; - } - - last_end = p->ofs + p->size; - p = p->next; - } - - if (textures_in_heap != blocks_in_mempool) { - fprintf( stderr, "%s: Different number of textures objects (%u) and " - "inuse memory blocks (%u)\n", - __FUNCTION__, textures_in_heap, blocks_in_mempool ); - return GL_FALSE; - } - -#if 0 - fprintf( stderr, "%s: textures_in_heap = %u\n", - __FUNCTION__, textures_in_heap ); -#endif - } - - - /* Check swapped texobj's have zero memblocks - */ - i = 0; - foreach ( t, swapped ) { - if ( t->memBlock != NULL ) { - fprintf( stderr, "%s: Swapped texobj %p has non-NULL memblock %p\n", - __FUNCTION__, (void *)t, (void *)t->memBlock ); - return GL_FALSE; - } - i++; - } - -#if 0 - fprintf( stderr, "%s: swapped texture count = %u\n", __FUNCTION__, i ); -#endif - - return GL_TRUE; -} - - - - -/****************************************************************************/ -/** - * Compute which mipmap levels that really need to be sent to the hardware. - * This depends on the base image size, GL_TEXTURE_MIN_LOD, - * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. - */ - -void -driCalculateTextureFirstLastLevel( driTextureObject * t ) -{ - struct gl_texture_object * const tObj = t->tObj; - const struct gl_texture_image * const baseImage = - tObj->Image[0][tObj->BaseLevel]; - - /* These must be signed values. MinLod and MaxLod can be negative numbers, - * and having firstLevel and lastLevel as signed prevents the need for - * extra sign checks. - */ - int firstLevel; - int lastLevel; - - /* Yes, this looks overly complicated, but it's all needed. - */ - - switch (tObj->Target) { - case GL_TEXTURE_1D: - case GL_TEXTURE_2D: - case GL_TEXTURE_3D: - case GL_TEXTURE_CUBE_MAP: - if (tObj->Sampler.MinFilter == GL_NEAREST || - tObj->Sampler.MinFilter == GL_LINEAR) { - /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL. - */ - - firstLevel = lastLevel = tObj->BaseLevel; - } - else { - firstLevel = tObj->BaseLevel + (GLint)(tObj->Sampler.MinLod + 0.5); - firstLevel = MAX2(firstLevel, tObj->BaseLevel); - firstLevel = MIN2(firstLevel, tObj->BaseLevel + baseImage->MaxLog2); - lastLevel = tObj->BaseLevel + (GLint)(tObj->Sampler.MaxLod + 0.5); - lastLevel = MAX2(lastLevel, t->tObj->BaseLevel); - lastLevel = MIN2(lastLevel, t->tObj->BaseLevel + baseImage->MaxLog2); - lastLevel = MIN2(lastLevel, t->tObj->MaxLevel); - lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */ - } - break; - case GL_TEXTURE_RECTANGLE_NV: - case GL_TEXTURE_4D_SGIS: - firstLevel = lastLevel = 0; - break; - default: - return; - } - - /* save these values */ - t->firstLevel = firstLevel; - t->lastLevel = lastLevel; -} - - - - -/** - * \name DRI texture formats. These vars are initialized to either the - * big- or little-endian Mesa formats. - */ -/*@{*/ -gl_format _dri_texformat_rgba8888 = MESA_FORMAT_NONE; -gl_format _dri_texformat_argb8888 = MESA_FORMAT_NONE; -gl_format _dri_texformat_rgb565 = MESA_FORMAT_NONE; -gl_format _dri_texformat_argb4444 = MESA_FORMAT_NONE; -gl_format _dri_texformat_argb1555 = MESA_FORMAT_NONE; -gl_format _dri_texformat_al88 = MESA_FORMAT_NONE; -gl_format _dri_texformat_a8 = MESA_FORMAT_A8; -gl_format _dri_texformat_i8 = MESA_FORMAT_I8; -gl_format _dri_texformat_l8 = MESA_FORMAT_L8; -/*@}*/ - - -/** - * Initialize _dri_texformat_* vars according to whether we're on - * a big or little endian system. - */ -void -driInitTextureFormats(void) -{ - if (_mesa_little_endian()) { - _dri_texformat_rgba8888 = MESA_FORMAT_RGBA8888; - _dri_texformat_argb8888 = MESA_FORMAT_ARGB8888; - _dri_texformat_rgb565 = MESA_FORMAT_RGB565; - _dri_texformat_argb4444 = MESA_FORMAT_ARGB4444; - _dri_texformat_argb1555 = MESA_FORMAT_ARGB1555; - _dri_texformat_al88 = MESA_FORMAT_AL88; - } - else { - _dri_texformat_rgba8888 = MESA_FORMAT_RGBA8888_REV; - _dri_texformat_argb8888 = MESA_FORMAT_ARGB8888_REV; - _dri_texformat_rgb565 = MESA_FORMAT_RGB565_REV; - _dri_texformat_argb4444 = MESA_FORMAT_ARGB4444_REV; - _dri_texformat_argb1555 = MESA_FORMAT_ARGB1555_REV; - _dri_texformat_al88 = MESA_FORMAT_AL88_REV; - } -} +/* + * Copyright 2000-2001 VA Linux Systems, Inc. + * (C) Copyright IBM Corporation 2002, 2003 + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Ian Romanick + * Keith Whitwell + * Kevin E. Martin + * Gareth Hughes + */ + +/** \file texmem.c + * Implements all of the device-independent texture memory management. + * + * Currently, only a simple LRU texture memory management policy is + * implemented. In the (hopefully very near) future, better policies will be + * implemented. The idea is that the DRI should be able to run in one of two + * modes. In the default mode the DRI will dynamically attempt to discover + * the best texture management policy for the running application. In the + * other mode, the user (via some sort of as yet TBD mechanism) will select + * a texture management policy that is known to work well with the + * application. + */ + +#include "main/imports.h" +#include "main/macros.h" +#include "main/simple_list.h" +#include "texmem.h" + + +static unsigned dummy_swap_counter; + + +/** + * Calculate \f$\log_2\f$ of a value. This is a particularly poor + * implementation of this function. However, since system performance is in + * no way dependent on this function, the slowness of the implementation is + * irrelevent. + * + * \param n Value whose \f$\log_2\f$ is to be calculated + */ + +static GLuint +driLog2( GLuint n ) +{ + GLuint log2; + + for ( log2 = 1 ; n > 1 ; log2++ ) { + n >>= 1; + } + + return log2; +} + + + + +/** + * Determine if a texture is resident in textureable memory. Depending on + * the driver, this may or may not be on-card memory. It could be AGP memory + * or anyother type of memory from which the hardware can directly read + * texels. + * + * This function is intended to be used as the \c IsTextureResident function + * in the device's \c dd_function_table. + * + * \param ctx GL context pointer (currently unused) + * \param texObj Texture object to be tested + */ + +GLboolean +driIsTextureResident( struct gl_context * ctx, + struct gl_texture_object * texObj ) +{ + driTextureObject * t; + + + t = (driTextureObject *) texObj->DriverData; + return( (t != NULL) && (t->memBlock != NULL) ); +} + + + + +/** + * (Re)initialize the global circular LRU list. The last element + * in the array (\a heap->nrRegions) is the sentinal. Keeping it + * at the end of the array allows the other elements of the array + * to be addressed rationally when looking up objects at a particular + * location in texture memory. + * + * \param heap Texture heap to be reset + */ + +static void resetGlobalLRU( driTexHeap * heap ) +{ + drmTextureRegionPtr list = heap->global_regions; + unsigned sz = 1U << heap->logGranularity; + unsigned i; + + for (i = 0 ; (i+1) * sz <= heap->size ; i++) { + list[i].prev = i-1; + list[i].next = i+1; + list[i].age = 0; + } + + i--; + list[0].prev = heap->nrRegions; + list[i].prev = i-1; + list[i].next = heap->nrRegions; + list[heap->nrRegions].prev = i; + list[heap->nrRegions].next = 0; + heap->global_age[0] = 0; +} + +/** + * Print out debugging information about the local texture LRU. + * + * \param heap Texture heap to be printed + * \param callername Name of calling function + */ +static void printLocalLRU( driTexHeap * heap, const char *callername ) +{ + driTextureObject *t; + unsigned sz = 1U << heap->logGranularity; + + fprintf( stderr, "%s in %s:\nLocal LRU, heap %d:\n", + __FUNCTION__, callername, heap->heapId ); + + foreach ( t, &heap->texture_objects ) { + if (!t->memBlock) + continue; + if (!t->tObj) { + fprintf( stderr, "Placeholder (%p) %d at 0x%x sz 0x%x\n", + (void *)t, + t->memBlock->ofs / sz, + t->memBlock->ofs, + t->memBlock->size ); + } else { + fprintf( stderr, "Texture (%p) at 0x%x sz 0x%x\n", + (void *)t, + t->memBlock->ofs, + t->memBlock->size ); + } + } + foreach ( t, heap->swapped_objects ) { + if (!t->tObj) { + fprintf( stderr, "Swapped Placeholder (%p)\n", (void *)t ); + } else { + fprintf( stderr, "Swapped Texture (%p)\n", (void *)t ); + } + } + + fprintf( stderr, "\n" ); +} + +/** + * Print out debugging information about the global texture LRU. + * + * \param heap Texture heap to be printed + * \param callername Name of calling function + */ +static void printGlobalLRU( driTexHeap * heap, const char *callername ) +{ + drmTextureRegionPtr list = heap->global_regions; + unsigned int i, j; + + fprintf( stderr, "%s in %s:\nGlobal LRU, heap %d list %p:\n", + __FUNCTION__, callername, heap->heapId, (void *)list ); + + for ( i = 0, j = heap->nrRegions ; i < heap->nrRegions ; i++ ) { + fprintf( stderr, "list[%d] age %d next %d prev %d in_use %d\n", + j, list[j].age, list[j].next, list[j].prev, list[j].in_use ); + j = list[j].next; + if ( j == heap->nrRegions ) break; + } + + if ( j != heap->nrRegions ) { + fprintf( stderr, "Loop detected in global LRU\n" ); + for ( i = 0 ; i < heap->nrRegions ; i++ ) { + fprintf( stderr, "list[%d] age %d next %d prev %d in_use %d\n", + i, list[i].age, list[i].next, list[i].prev, list[i].in_use ); + } + } + + fprintf( stderr, "\n" ); +} + + +/** + * Called by the client whenever it touches a local texture. + * + * \param t Texture object that the client has accessed + */ + +void driUpdateTextureLRU( driTextureObject * t ) +{ + driTexHeap * heap; + drmTextureRegionPtr list; + unsigned shift; + unsigned start; + unsigned end; + unsigned i; + + + heap = t->heap; + if ( heap != NULL ) { + shift = heap->logGranularity; + start = t->memBlock->ofs >> shift; + end = (t->memBlock->ofs + t->memBlock->size - 1) >> shift; + + + heap->local_age = ++heap->global_age[0]; + list = heap->global_regions; + + + /* Update the context's local LRU + */ + + move_to_head( & heap->texture_objects, t ); + + + for (i = start ; i <= end ; i++) { + list[i].age = heap->local_age; + + /* remove_from_list(i) + */ + list[(unsigned)list[i].next].prev = list[i].prev; + list[(unsigned)list[i].prev].next = list[i].next; + + /* insert_at_head(list, i) + */ + list[i].prev = heap->nrRegions; + list[i].next = list[heap->nrRegions].next; + list[(unsigned)list[heap->nrRegions].next].prev = i; + list[heap->nrRegions].next = i; + } + + if ( 0 ) { + printGlobalLRU( heap, __FUNCTION__ ); + printLocalLRU( heap, __FUNCTION__ ); + } + } +} + + + + +/** + * Keep track of swapped out texture objects. + * + * \param t Texture object to be "swapped" out of its texture heap + */ + +void driSwapOutTextureObject( driTextureObject * t ) +{ + unsigned face; + + + if ( t->memBlock != NULL ) { + assert( t->heap != NULL ); + mmFreeMem( t->memBlock ); + t->memBlock = NULL; + + if (t->timestamp > t->heap->timestamp) + t->heap->timestamp = t->timestamp; + + t->heap->texture_swaps[0]++; + move_to_tail( t->heap->swapped_objects, t ); + t->heap = NULL; + } + else { + assert( t->heap == NULL ); + } + + + for ( face = 0 ; face < 6 ; face++ ) { + t->dirty_images[face] = ~0; + } +} + + + + +/** + * Destroy hardware state associated with texture \a t. Calls the + * \a destroy_texture_object method associated with the heap from which + * \a t was allocated. + * + * \param t Texture object to be destroyed + */ + +void driDestroyTextureObject( driTextureObject * t ) +{ + driTexHeap * heap; + + + if ( 0 ) { + fprintf( stderr, "[%s:%d] freeing %p (tObj = %p, DriverData = %p)\n", + __FILE__, __LINE__, + (void *)t, + (void *)((t != NULL) ? t->tObj : NULL), + (void *)((t != NULL && t->tObj != NULL) ? t->tObj->DriverData : NULL )); + } + + if ( t != NULL ) { + if ( t->memBlock ) { + heap = t->heap; + assert( heap != NULL ); + + heap->texture_swaps[0]++; + + mmFreeMem( t->memBlock ); + t->memBlock = NULL; + + if (t->timestamp > t->heap->timestamp) + t->heap->timestamp = t->timestamp; + + heap->destroy_texture_object( heap->driverContext, t ); + t->heap = NULL; + } + + if ( t->tObj != NULL ) { + assert( t->tObj->DriverData == t ); + t->tObj->DriverData = NULL; + } + + remove_from_list( t ); + FREE( t ); + } + + if ( 0 ) { + fprintf( stderr, "[%s:%d] done freeing %p\n", __FILE__, __LINE__, (void *)t ); + } +} + + + + +/** + * Update the local heap's representation of texture memory based on + * data in the SAREA. This is done each time it is detected that some other + * direct rendering client has held the lock. This pertains to both our local + * textures and the textures belonging to other clients. Keep track of other + * client's textures by pushing a placeholder texture onto the LRU list -- + * these are denoted by \a tObj being \a NULL. + * + * \param heap Heap whose state is to be updated + * \param offset Byte offset in the heap that has been stolen + * \param size Size, in bytes, of the stolen block + * \param in_use Non-zero if the block is pinned/reserved by the kernel + */ + +static void driTexturesGone( driTexHeap * heap, int offset, int size, + int in_use ) +{ + driTextureObject * t; + driTextureObject * tmp; + + + foreach_s ( t, tmp, & heap->texture_objects ) { + if ( (t->memBlock->ofs < (offset + size)) + && ((t->memBlock->ofs + t->memBlock->size) > offset) ) { + /* It overlaps - kick it out. If the texture object is just a + * place holder, then destroy it all together. Otherwise, mark + * it as being swapped out. + */ + + if ( t->tObj != NULL ) { + driSwapOutTextureObject( t ); + } + else { + driDestroyTextureObject( t ); + } + } + } + + + { + t = (driTextureObject *) CALLOC( heap->texture_object_size ); + if ( t == NULL ) return; + + t->memBlock = mmAllocMem( heap->memory_heap, size, 0, offset ); + if ( t->memBlock == NULL ) { + fprintf( stderr, "Couldn't alloc placeholder: heap %u sz %x ofs %x\n", heap->heapId, + (int)size, (int)offset ); + mmDumpMemInfo( heap->memory_heap ); + FREE(t); + return; + } + t->heap = heap; + if (in_use) + t->reserved = 1; + insert_at_head( & heap->texture_objects, t ); + } +} + + + + +/** + * Called by the client on lock contention to determine whether textures have + * been stolen. If another client has modified a region in which we have + * textures, then we need to figure out which of our textures have been + * removed and update our global LRU. + * + * \param heap Texture heap to be updated + */ + +void driAgeTextures( driTexHeap * heap ) +{ + drmTextureRegionPtr list = heap->global_regions; + unsigned sz = 1U << (heap->logGranularity); + unsigned i, nr = 0; + + + /* Have to go right round from the back to ensure stuff ends up + * LRU in the local list... Fix with a cursor pointer. + */ + + for (i = list[heap->nrRegions].prev ; + i != heap->nrRegions && nr < heap->nrRegions ; + i = list[i].prev, nr++) { + /* If switching texturing schemes, then the SAREA might not have been + * properly cleared, so we need to reset the global texture LRU. + */ + + if ( (i * sz) > heap->size ) { + nr = heap->nrRegions; + break; + } + + if (list[i].age > heap->local_age) + driTexturesGone( heap, i * sz, sz, list[i].in_use); + } + + /* Loop or uninitialized heap detected. Reset. + */ + + if (nr == heap->nrRegions) { + driTexturesGone( heap, 0, heap->size, 0); + resetGlobalLRU( heap ); + } + + if ( 0 ) { + printGlobalLRU( heap, __FUNCTION__ ); + printLocalLRU( heap, __FUNCTION__ ); + } + + heap->local_age = heap->global_age[0]; +} + + + + +#define INDEX_ARRAY_SIZE 6 /* I'm not aware of driver with more than 2 heaps */ + +/** + * Allocate memory from a texture heap to hold a texture object. This + * routine will attempt to allocate memory for the texture from the heaps + * specified by \c heap_array in order. That is, first it will try to + * allocate from \c heap_array[0], then \c heap_array[1], and so on. + * + * \param heap_array Array of pointers to texture heaps to use + * \param nr_heaps Number of heap pointer in \a heap_array + * \param t Texture object for which space is needed + * \return The ID of the heap from which memory was allocated, or -1 if + * memory could not be allocated. + * + * \bug The replacement policy implemented by this function is horrible. + */ + + +int +driAllocateTexture( driTexHeap * const * heap_array, unsigned nr_heaps, + driTextureObject * t ) +{ + driTexHeap * heap; + driTextureObject * temp; + driTextureObject * cursor; + unsigned id; + + + /* In case it already has texture space, initialize heap. This also + * prevents GCC from issuing a warning that heap might be used + * uninitialized. + */ + + heap = t->heap; + + + /* Run through each of the existing heaps and try to allocate a buffer + * to hold the texture. + */ + + for ( id = 0 ; (t->memBlock == NULL) && (id < nr_heaps) ; id++ ) { + heap = heap_array[ id ]; + if ( heap != NULL ) { + t->memBlock = mmAllocMem( heap->memory_heap, t->totalSize, + heap->alignmentShift, 0 ); + } + } + + + /* Kick textures out until the requested texture fits. + */ + + if ( t->memBlock == NULL ) { + unsigned index[INDEX_ARRAY_SIZE]; + unsigned nrGoodHeaps = 0; + + /* Trying to avoid dynamic memory allocation. If you have more + * heaps, increase INDEX_ARRAY_SIZE. I'm not aware of any + * drivers with more than 2 tex heaps. */ + assert( nr_heaps < INDEX_ARRAY_SIZE ); + + /* Sort large enough heaps by duty. Insertion sort should be + * fast enough for such a short array. */ + for ( id = 0 ; id < nr_heaps ; id++ ) { + heap = heap_array[ id ]; + + if ( heap != NULL && t->totalSize <= heap->size ) { + unsigned j; + + for ( j = 0 ; j < nrGoodHeaps; j++ ) { + if ( heap->duty > heap_array[ index[ j ] ]->duty ) + break; + } + + if ( j < nrGoodHeaps ) { + memmove( &index[ j+1 ], &index[ j ], + sizeof(index[ 0 ]) * (nrGoodHeaps - j) ); + } + + index[ j ] = id; + + nrGoodHeaps++; + } + } + + for ( id = 0 ; (t->memBlock == NULL) && (id < nrGoodHeaps) ; id++ ) { + heap = heap_array[ index[ id ] ]; + + for ( cursor = heap->texture_objects.prev, temp = cursor->prev; + cursor != &heap->texture_objects ; + cursor = temp, temp = cursor->prev ) { + + /* The the LRU element. If the texture is bound to one of + * the texture units, then we cannot kick it out. + */ + if ( cursor->bound || cursor->reserved ) { + continue; + } + + if ( cursor->memBlock ) + heap->duty -= cursor->memBlock->size; + + /* If this is a placeholder, there's no need to keep it */ + if (cursor->tObj) + driSwapOutTextureObject( cursor ); + else + driDestroyTextureObject( cursor ); + + t->memBlock = mmAllocMem( heap->memory_heap, t->totalSize, + heap->alignmentShift, 0 ); + + if (t->memBlock) + break; + } + } + + /* Rebalance duties. If a heap kicked more data than its duty, + * then all other heaps get that amount multiplied with their + * relative weight added to their duty. The negative duty is + * reset to 0. In the end all heaps have a duty >= 0. + * + * CAUTION: we must not change the heap pointer here, because it + * is used below to update the texture object. + */ + for ( id = 0 ; id < nr_heaps ; id++ ) + if ( heap_array[ id ] != NULL && heap_array[ id ]->duty < 0) { + int duty = -heap_array[ id ]->duty; + double weight = heap_array[ id ]->weight; + unsigned j; + + for ( j = 0 ; j < nr_heaps ; j++ ) + if ( j != id && heap_array[ j ] != NULL ) { + heap_array[ j ]->duty += (double) duty * + heap_array[ j ]->weight / weight; + } + + heap_array[ id ]->duty = 0; + } + } + + + if ( t->memBlock != NULL ) { + /* id and heap->heapId may or may not be the same value here. + */ + + assert( heap != NULL ); + assert( (t->heap == NULL) || (t->heap == heap) ); + + t->heap = heap; + return heap->heapId; + } + else { + assert( t->heap == NULL ); + + fprintf( stderr, "[%s:%d] unable to allocate texture\n", + __FUNCTION__, __LINE__ ); + return -1; + } +} + + + + + + +/** + * Set the location where the texture-swap counter is stored. + */ + +void +driSetTextureSwapCounterLocation( driTexHeap * heap, unsigned * counter ) +{ + heap->texture_swaps = (counter == NULL) ? & dummy_swap_counter : counter; +} + + + + +/** + * Create a new heap for texture data. + * + * \param heap_id Device-dependent heap identifier. This value + * will returned by driAllocateTexture when memory + * is allocated from this heap. + * \param context Device-dependent driver context. This is + * supplied as the first parameter to the + * \c destroy_tex_obj function. + * \param size Size, in bytes, of the texture region + * \param alignmentShift Alignment requirement for textures. If textures + * must be allocated on a 4096 byte boundry, this + * would be 12. + * \param nr_regions Number of regions into which this texture space + * should be partitioned + * \param global_regions Array of \c drmTextureRegion structures in the SAREA + * \param global_age Pointer to the global texture age in the SAREA + * \param swapped_objects Pointer to the list of texture objects that are + * not in texture memory (i.e., have been swapped + * out). + * \param texture_object_size Size, in bytes, of a device-dependent texture + * object + * \param destroy_tex_obj Function used to destroy a device-dependent + * texture object + * + * \sa driDestroyTextureHeap + */ + +driTexHeap * +driCreateTextureHeap( unsigned heap_id, void * context, unsigned size, + unsigned alignmentShift, unsigned nr_regions, + drmTextureRegionPtr global_regions, unsigned * global_age, + driTextureObject * swapped_objects, + unsigned texture_object_size, + destroy_texture_object_t * destroy_tex_obj + ) +{ + driTexHeap * heap; + unsigned l; + + + if ( 0 ) + fprintf( stderr, "%s( %u, %p, %u, %u, %u )\n", + __FUNCTION__, + heap_id, (void *)context, size, alignmentShift, nr_regions ); + + heap = (driTexHeap *) CALLOC( sizeof( driTexHeap ) ); + if ( heap != NULL ) { + l = driLog2( (size - 1) / nr_regions ); + if ( l < alignmentShift ) + { + l = alignmentShift; + } + + heap->logGranularity = l; + heap->size = size & ~((1L << l) - 1); + + heap->memory_heap = mmInit( 0, heap->size ); + if ( heap->memory_heap != NULL ) { + heap->heapId = heap_id; + heap->driverContext = context; + + heap->alignmentShift = alignmentShift; + heap->nrRegions = nr_regions; + heap->global_regions = global_regions; + heap->global_age = global_age; + heap->swapped_objects = swapped_objects; + heap->texture_object_size = texture_object_size; + heap->destroy_texture_object = destroy_tex_obj; + + /* Force global heap init */ + if (heap->global_age[0] == 0) + heap->local_age = ~0; + else + heap->local_age = 0; + + make_empty_list( & heap->texture_objects ); + driSetTextureSwapCounterLocation( heap, NULL ); + + heap->weight = heap->size; + heap->duty = 0; + } + else { + FREE( heap ); + heap = NULL; + } + } + + + if ( 0 ) + fprintf( stderr, "%s returning %p\n", __FUNCTION__, (void *)heap ); + + return heap; +} + + + + +/** Destroys a texture heap + * + * \param heap Texture heap to be destroyed + */ + +void +driDestroyTextureHeap( driTexHeap * heap ) +{ + driTextureObject * t; + driTextureObject * temp; + + + if ( heap != NULL ) { + foreach_s( t, temp, & heap->texture_objects ) { + driDestroyTextureObject( t ); + } + foreach_s( t, temp, heap->swapped_objects ) { + driDestroyTextureObject( t ); + } + + mmDestroy( heap->memory_heap ); + FREE( heap ); + } +} + + + + +/****************************************************************************/ +/** + * Determine how many texels (including all mipmap levels) would be required + * for a texture map of size \f$2^^\c base_size_log2\f$ would require. + * + * \param base_size_log2 \f$log_2\f$ of the size of a side of the texture + * \param dimensions Number of dimensions of the texture. Either 2 or 3. + * \param faces Number of faces of the texture. Either 1 or 6 (for cube maps). + * \return Number of texels + */ + +static unsigned +texels_this_map_size( int base_size_log2, unsigned dimensions, unsigned faces ) +{ + unsigned texels; + + + assert( (faces == 1) || (faces == 6) ); + assert( (dimensions == 2) || (dimensions == 3) ); + + texels = 0; + if ( base_size_log2 >= 0 ) { + texels = (1U << (dimensions * base_size_log2)); + + /* See http://www.mail-archive.com/dri-devel@lists.sourceforge.net/msg03636.html + * for the complete explaination of why this formulation is used. + * Basically, the smaller mipmap levels sum to 0.333 the size of the + * level 0 map. The total size is therefore the size of the map + * multipled by 1.333. The +2 is there to round up. + */ + + texels = (texels * 4 * faces + 2) / 3; + } + + return texels; +} + + + + +struct maps_per_heap { + unsigned c[32]; +}; + +static void +fill_in_maximums( driTexHeap * const * heaps, unsigned nr_heaps, + unsigned max_bytes_per_texel, unsigned max_size, + unsigned mipmaps_at_once, unsigned dimensions, + unsigned faces, struct maps_per_heap * max_textures ) +{ + unsigned heap; + unsigned log2_size; + unsigned mask; + + + /* Determine how many textures of each size can be stored in each + * texture heap. + */ + + for ( heap = 0 ; heap < nr_heaps ; heap++ ) { + if ( heaps[ heap ] == NULL ) { + (void) memset( max_textures[ heap ].c, 0, + sizeof( max_textures[ heap ].c ) ); + continue; + } + + mask = (1U << heaps[ heap ]->logGranularity) - 1; + + if ( 0 ) { + fprintf( stderr, "[%s:%d] heap[%u] = %u bytes, mask = 0x%08x\n", + __FILE__, __LINE__, + heap, heaps[ heap ]->size, mask ); + } + + for ( log2_size = max_size ; log2_size > 0 ; log2_size-- ) { + unsigned total; + + + /* Determine the total number of bytes required by a texture of + * size log2_size. + */ + + total = texels_this_map_size( log2_size, dimensions, faces ) + - texels_this_map_size( log2_size - mipmaps_at_once, + dimensions, faces ); + total *= max_bytes_per_texel; + total = (total + mask) & ~mask; + + /* The number of textures of a given size that will fit in a heap + * is equal to the size of the heap divided by the size of the + * texture. + */ + + max_textures[ heap ].c[ log2_size ] = heaps[ heap ]->size / total; + + if ( 0 ) { + fprintf( stderr, "[%s:%d] max_textures[%u].c[%02u] " + "= 0x%08x / 0x%08x " + "= %u (%u)\n", + __FILE__, __LINE__, + heap, log2_size, + heaps[ heap ]->size, total, + heaps[ heap ]->size / total, + max_textures[ heap ].c[ log2_size ] ); + } + } + } +} + + +static unsigned +get_max_size( unsigned nr_heaps, + unsigned texture_units, + unsigned max_size, + int all_textures_one_heap, + struct maps_per_heap * max_textures ) +{ + unsigned heap; + unsigned log2_size; + + + /* Determine the largest texture size such that a texture of that size + * can be bound to each texture unit at the same time. Some hardware + * may require that all textures be in the same texture heap for + * multitexturing. + */ + + for ( log2_size = max_size ; log2_size > 0 ; log2_size-- ) { + unsigned total = 0; + + for ( heap = 0 ; heap < nr_heaps ; heap++ ) + { + total += max_textures[ heap ].c[ log2_size ]; + + if ( 0 ) { + fprintf( stderr, "[%s:%d] max_textures[%u].c[%02u] = %u, " + "total = %u\n", __FILE__, __LINE__, heap, log2_size, + max_textures[ heap ].c[ log2_size ], total ); + } + + if ( (max_textures[ heap ].c[ log2_size ] >= texture_units) + || (!all_textures_one_heap && (total >= texture_units)) ) { + /* The number of mipmap levels is the log-base-2 of the + * maximum texture size plus 1. If the maximum texture size + * is 1x1, the log-base-2 is 0 and 1 mipmap level (the base + * level) is available. + */ + + return log2_size + 1; + } + } + } + + /* This should NEVER happen. It should always be possible to have at + * *least* a 1x1 texture in memory! + */ + assert( log2_size != 0 ); + return 0; +} + +#define SET_MAX(f,v) \ + do { if ( max_sizes[v] != 0 ) { limits-> f = max_sizes[v]; } } while( 0 ) + +#define SET_MAX_RECT(f,v) \ + do { if ( max_sizes[v] != 0 ) { limits-> f = 1 << (max_sizes[v] - 1); } } while( 0 ) + + +/** + * Given the amount of texture memory, the number of texture units, and the + * maximum size of a texel, calculate the maximum texture size the driver can + * advertise. + * + * \param heaps Texture heaps for this card + * \param nr_heap Number of texture heaps + * \param limits OpenGL contants. MaxTextureUnits must be set. + * \param max_bytes_per_texel Maximum size of a single texel, in bytes + * \param max_2D_size \f$\log_2\f$ of the maximum 2D texture size (i.e., + * 1024x1024 textures, this would be 10) + * \param max_3D_size \f$\log_2\f$ of the maximum 3D texture size (i.e., + * 1024x1024x1024 textures, this would be 10) + * \param max_cube_size \f$\log_2\f$ of the maximum cube texture size (i.e., + * 1024x1024 textures, this would be 10) + * \param max_rect_size \f$\log_2\f$ of the maximum texture rectangle size + * (i.e., 1024x1024 textures, this would be 10). This is a power-of-2 + * even though texture rectangles need not be a power-of-2. + * \param mipmaps_at_once Total number of mipmaps that can be used + * at one time. For most hardware this will be \f$\c max_size + 1\f$. + * For hardware that does not support mipmapping, this will be 1. + * \param all_textures_one_heap True if the hardware requires that all + * textures be in a single texture heap for multitexturing. + * \param allow_larger_textures 0 conservative, 1 calculate limits + * so at least one worst-case texture can fit, 2 just use hw limits. + */ + +void +driCalculateMaxTextureLevels( driTexHeap * const * heaps, + unsigned nr_heaps, + struct gl_constants * limits, + unsigned max_bytes_per_texel, + unsigned max_2D_size, + unsigned max_3D_size, + unsigned max_cube_size, + unsigned max_rect_size, + unsigned mipmaps_at_once, + int all_textures_one_heap, + int allow_larger_textures ) +{ + struct maps_per_heap max_textures[8]; + unsigned i; + const unsigned dimensions[4] = { 2, 3, 2, 2 }; + const unsigned faces[4] = { 1, 1, 6, 1 }; + unsigned max_sizes[4]; + unsigned mipmaps[4]; + + + max_sizes[0] = max_2D_size; + max_sizes[1] = max_3D_size; + max_sizes[2] = max_cube_size; + max_sizes[3] = max_rect_size; + + mipmaps[0] = mipmaps_at_once; + mipmaps[1] = mipmaps_at_once; + mipmaps[2] = mipmaps_at_once; + mipmaps[3] = 1; + + + /* Calculate the maximum number of texture levels in two passes. The + * first pass determines how many textures of each power-of-two size + * (including all mipmap levels for that size) can fit in each texture + * heap. The second pass finds the largest texture size that allows + * a texture of that size to be bound to every texture unit. + */ + + for ( i = 0 ; i < 4 ; i++ ) { + if ( (allow_larger_textures != 2) && (max_sizes[ i ] != 0) ) { + fill_in_maximums( heaps, nr_heaps, max_bytes_per_texel, + max_sizes[ i ], mipmaps[ i ], + dimensions[ i ], faces[ i ], + max_textures ); + + max_sizes[ i ] = get_max_size( nr_heaps, + allow_larger_textures == 1 ? + 1 : limits->MaxTextureUnits, + max_sizes[ i ], + all_textures_one_heap, + max_textures ); + } + else if (max_sizes[ i ] != 0) { + max_sizes[ i ] += 1; + } + } + + SET_MAX( MaxTextureLevels, 0 ); + SET_MAX( Max3DTextureLevels, 1 ); + SET_MAX( MaxCubeTextureLevels, 2 ); + SET_MAX_RECT( MaxTextureRectSize, 3 ); +} + + + + +/** + * Perform initial binding of default textures objects on a per unit, per + * texture target basis. + * + * \param ctx Current OpenGL context + * \param swapped List of swapped-out textures + * \param targets Bit-mask of value texture targets + */ + +void driInitTextureObjects( struct gl_context *ctx, driTextureObject * swapped, + GLuint targets ) +{ + struct gl_texture_object *texObj; + GLuint tmp = ctx->Texture.CurrentUnit; + unsigned i; + + + for ( i = 0 ; i < ctx->Const.MaxTextureUnits ; i++ ) { + ctx->Texture.CurrentUnit = i; + + if ( (targets & DRI_TEXMGR_DO_TEXTURE_1D) != 0 ) { + texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_1D_INDEX]; + ctx->Driver.BindTexture( ctx, GL_TEXTURE_1D, texObj ); + move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); + } + + if ( (targets & DRI_TEXMGR_DO_TEXTURE_2D) != 0 ) { + texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_2D_INDEX]; + ctx->Driver.BindTexture( ctx, GL_TEXTURE_2D, texObj ); + move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); + } + + if ( (targets & DRI_TEXMGR_DO_TEXTURE_3D) != 0 ) { + texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_3D_INDEX]; + ctx->Driver.BindTexture( ctx, GL_TEXTURE_3D, texObj ); + move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); + } + + if ( (targets & DRI_TEXMGR_DO_TEXTURE_CUBE) != 0 ) { + texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_CUBE_INDEX]; + ctx->Driver.BindTexture( ctx, GL_TEXTURE_CUBE_MAP_ARB, texObj ); + move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); + } + + if ( (targets & DRI_TEXMGR_DO_TEXTURE_RECT) != 0 ) { + texObj = ctx->Texture.Unit[i].CurrentTex[TEXTURE_RECT_INDEX]; + ctx->Driver.BindTexture( ctx, GL_TEXTURE_RECTANGLE_NV, texObj ); + move_to_tail( swapped, (driTextureObject *) texObj->DriverData ); + } + } + + ctx->Texture.CurrentUnit = tmp; +} + + + + +/** + * Verify that the specified texture is in the specificed heap. + * + * \param tex Texture to be tested. + * \param heap Texture memory heap to be tested. + * \return True if the texture is in the heap, false otherwise. + */ + +static GLboolean +check_in_heap( const driTextureObject * tex, const driTexHeap * heap ) +{ +#if 1 + return tex->heap == heap; +#else + driTextureObject * curr; + + foreach( curr, & heap->texture_objects ) { + if ( curr == tex ) { + break; + } + } + + return curr == tex; +#endif +} + + + +/****************************************************************************/ +/** + * Validate the consistency of a set of texture heaps. + * Original version by Keith Whitwell in r200/r200_sanity.c. + */ + +GLboolean +driValidateTextureHeaps( driTexHeap * const * texture_heaps, + unsigned nr_heaps, const driTextureObject * swapped ) +{ + driTextureObject *t; + unsigned i; + + for ( i = 0 ; i < nr_heaps ; i++ ) { + int last_end = 0; + unsigned textures_in_heap = 0; + unsigned blocks_in_mempool = 0; + const driTexHeap * heap = texture_heaps[i]; + const struct mem_block *p = heap->memory_heap; + + /* Check each texture object has a MemBlock, and is linked into + * the correct heap. + * + * Check the texobj base address corresponds to the MemBlock + * range. Check the texobj size (recalculate?) fits within + * the MemBlock. + * + * Count the number of texobj's using this heap. + */ + + foreach ( t, &heap->texture_objects ) { + if ( !check_in_heap( t, heap ) ) { + fprintf( stderr, "%s memory block for texture object @ %p not " + "found in heap #%d\n", + __FUNCTION__, (void *)t, i ); + return GL_FALSE; + } + + + if ( t->totalSize > t->memBlock->size ) { + fprintf( stderr, "%s: Memory block for texture object @ %p is " + "only %u bytes, but %u are required\n", + __FUNCTION__, (void *)t, t->totalSize, t->memBlock->size ); + return GL_FALSE; + } + + textures_in_heap++; + } + + /* Validate the contents of the heap: + * - Ordering + * - Overlaps + * - Bounds + */ + + while ( p != NULL ) { + if (p->reserved) { + fprintf( stderr, "%s: Block (%08x,%x), is reserved?!\n", + __FUNCTION__, p->ofs, p->size ); + return GL_FALSE; + } + + if (p->ofs != last_end) { + fprintf( stderr, "%s: blocks_in_mempool = %d, last_end = %d, p->ofs = %d\n", + __FUNCTION__, blocks_in_mempool, last_end, p->ofs ); + return GL_FALSE; + } + + if (!p->reserved && !p->free) { + blocks_in_mempool++; + } + + last_end = p->ofs + p->size; + p = p->next; + } + + if (textures_in_heap != blocks_in_mempool) { + fprintf( stderr, "%s: Different number of textures objects (%u) and " + "inuse memory blocks (%u)\n", + __FUNCTION__, textures_in_heap, blocks_in_mempool ); + return GL_FALSE; + } + +#if 0 + fprintf( stderr, "%s: textures_in_heap = %u\n", + __FUNCTION__, textures_in_heap ); +#endif + } + + + /* Check swapped texobj's have zero memblocks + */ + i = 0; + foreach ( t, swapped ) { + if ( t->memBlock != NULL ) { + fprintf( stderr, "%s: Swapped texobj %p has non-NULL memblock %p\n", + __FUNCTION__, (void *)t, (void *)t->memBlock ); + return GL_FALSE; + } + i++; + } + +#if 0 + fprintf( stderr, "%s: swapped texture count = %u\n", __FUNCTION__, i ); +#endif + + return GL_TRUE; +} + + + + +/****************************************************************************/ +/** + * Compute which mipmap levels that really need to be sent to the hardware. + * This depends on the base image size, GL_TEXTURE_MIN_LOD, + * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. + */ + +void +driCalculateTextureFirstLastLevel( driTextureObject * t ) +{ + struct gl_texture_object * const tObj = t->tObj; + const struct gl_texture_image * const baseImage = + tObj->Image[0][tObj->BaseLevel]; + + /* These must be signed values. MinLod and MaxLod can be negative numbers, + * and having firstLevel and lastLevel as signed prevents the need for + * extra sign checks. + */ + int firstLevel; + int lastLevel; + + /* Yes, this looks overly complicated, but it's all needed. + */ + + switch (tObj->Target) { + case GL_TEXTURE_1D: + case GL_TEXTURE_2D: + case GL_TEXTURE_3D: + case GL_TEXTURE_CUBE_MAP: + if (tObj->Sampler.MinFilter == GL_NEAREST || + tObj->Sampler.MinFilter == GL_LINEAR) { + /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL. + */ + + firstLevel = lastLevel = tObj->BaseLevel; + } + else { + firstLevel = tObj->BaseLevel + (GLint)(tObj->Sampler.MinLod + 0.5); + firstLevel = MAX2(firstLevel, tObj->BaseLevel); + firstLevel = MIN2(firstLevel, tObj->BaseLevel + baseImage->MaxLog2); + lastLevel = tObj->BaseLevel + (GLint)(tObj->Sampler.MaxLod + 0.5); + lastLevel = MAX2(lastLevel, t->tObj->BaseLevel); + lastLevel = MIN2(lastLevel, t->tObj->BaseLevel + baseImage->MaxLog2); + lastLevel = MIN2(lastLevel, t->tObj->MaxLevel); + lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */ + } + break; + case GL_TEXTURE_RECTANGLE_NV: + case GL_TEXTURE_4D_SGIS: + firstLevel = lastLevel = 0; + break; + default: + return; + } + + /* save these values */ + t->firstLevel = firstLevel; + t->lastLevel = lastLevel; +} + + + + +/** + * \name DRI texture formats. These vars are initialized to either the + * big- or little-endian Mesa formats. + */ +/*@{*/ +gl_format _dri_texformat_rgba8888 = MESA_FORMAT_NONE; +gl_format _dri_texformat_argb8888 = MESA_FORMAT_NONE; +gl_format _dri_texformat_rgb565 = MESA_FORMAT_NONE; +gl_format _dri_texformat_argb4444 = MESA_FORMAT_NONE; +gl_format _dri_texformat_argb1555 = MESA_FORMAT_NONE; +gl_format _dri_texformat_al88 = MESA_FORMAT_NONE; +gl_format _dri_texformat_a8 = MESA_FORMAT_A8; +gl_format _dri_texformat_i8 = MESA_FORMAT_I8; +gl_format _dri_texformat_l8 = MESA_FORMAT_L8; +/*@}*/ + + +/** + * Initialize _dri_texformat_* vars according to whether we're on + * a big or little endian system. + */ +void +driInitTextureFormats(void) +{ + if (_mesa_little_endian()) { + _dri_texformat_rgba8888 = MESA_FORMAT_RGBA8888; + _dri_texformat_argb8888 = MESA_FORMAT_ARGB8888; + _dri_texformat_rgb565 = MESA_FORMAT_RGB565; + _dri_texformat_argb4444 = MESA_FORMAT_ARGB4444; + _dri_texformat_argb1555 = MESA_FORMAT_ARGB1555; + _dri_texformat_al88 = MESA_FORMAT_AL88; + } + else { + _dri_texformat_rgba8888 = MESA_FORMAT_RGBA8888_REV; + _dri_texformat_argb8888 = MESA_FORMAT_ARGB8888_REV; + _dri_texformat_rgb565 = MESA_FORMAT_RGB565_REV; + _dri_texformat_argb4444 = MESA_FORMAT_ARGB4444_REV; + _dri_texformat_argb1555 = MESA_FORMAT_ARGB1555_REV; + _dri_texformat_al88 = MESA_FORMAT_AL88_REV; + } +} diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c index 63b3fe94c..13a13eade 100644 --- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c +++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c @@ -1,820 +1,820 @@ -/* - * Copyright 2008, 2010 George Sapountzis - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * DRI software rasterizer - * - * This is the mesa swrast module packaged into a DRI driver structure. - * - * The front-buffer is allocated by the loader. The loader provides read/write - * callbacks for access to the front-buffer. The driver uses a scratch row for - * front-buffer rendering to avoid repeated calls to the loader. - * - * The back-buffer is allocated by the driver and is private. - */ - -#ifdef _MSC_VER -#define WIN32_LEAN_AND_MEAN 1 -#include -#endif - -#include "main/context.h" -#include "main/extensions.h" -#include "main/formats.h" -#include "main/framebuffer.h" -#include "main/imports.h" -#include "main/renderbuffer.h" -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" -#include "vbo/vbo.h" -#include "drivers/common/driverfuncs.h" -#include "drivers/common/meta.h" -#include "utils.h" - -#include "main/teximage.h" -#include "main/texformat.h" -#include "main/texstate.h" - -#include "swrast_priv.h" - - -/** - * Screen and config-related functions - */ - -static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target, - GLint texture_format, __DRIdrawable *dPriv) -{ - struct dri_context *dri_ctx; - int x, y, w, h; - __DRIscreen *sPriv = dPriv->driScreenPriv; - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - struct gl_texture_image *texImage; - uint32_t internalFormat; - gl_format texFormat; - - dri_ctx = pDRICtx->driverPrivate; - - internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4); - - texUnit = _mesa_get_current_tex_unit(&dri_ctx->Base); - texObj = _mesa_select_tex_object(&dri_ctx->Base, texUnit, target); - texImage = _mesa_get_tex_image(&dri_ctx->Base, texObj, target, 0); - - _mesa_lock_texture(&dri_ctx->Base, texObj); - - sPriv->swrast_loader->getDrawableInfo(dPriv, &x, &y, &w, &h, dPriv->loaderPrivate); - - if (texture_format == __DRI_TEXTURE_FORMAT_RGB) - texFormat = MESA_FORMAT_XRGB8888; - else - texFormat = MESA_FORMAT_ARGB8888; - - _mesa_init_teximage_fields(&dri_ctx->Base, target, texImage, - w, h, 1, 0, internalFormat, texFormat); - - sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)texImage->Data, - dPriv->loaderPrivate); - - _mesa_unlock_texture(&dri_ctx->Base, texObj); -} - -static void swrastSetTexBuffer(__DRIcontext *pDRICtx, GLint target, - __DRIdrawable *dPriv) -{ - swrastSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv); -} - -static const __DRItexBufferExtension swrastTexBufferExtension = { - { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, - swrastSetTexBuffer, - swrastSetTexBuffer2, -}; - -static const __DRIextension *dri_screen_extensions[] = { - &swrastTexBufferExtension.base, - NULL -}; - -static __DRIconfig ** -swrastFillInModes(__DRIscreen *psp, - unsigned pixel_bits, unsigned depth_bits, - unsigned stencil_bits, GLboolean have_back_buffer) -{ - __DRIconfig **configs; - unsigned depth_buffer_factor; - unsigned back_buffer_factor; - GLenum fb_format; - GLenum fb_type; - - /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't - * support pageflipping at all. - */ - static const GLenum back_buffer_modes[] = { - GLX_NONE, GLX_SWAP_UNDEFINED_OML - }; - - uint8_t depth_bits_array[4]; - uint8_t stencil_bits_array[4]; - uint8_t msaa_samples_array[1]; - - (void) psp; - (void) have_back_buffer; - - depth_bits_array[0] = 0; - depth_bits_array[1] = 0; - depth_bits_array[2] = depth_bits; - depth_bits_array[3] = depth_bits; - - /* Just like with the accumulation buffer, always provide some modes - * with a stencil buffer. - */ - stencil_bits_array[0] = 0; - stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; - stencil_bits_array[2] = 0; - stencil_bits_array[3] = (stencil_bits == 0) ? 8 : stencil_bits; - - msaa_samples_array[0] = 0; - - depth_buffer_factor = 4; - back_buffer_factor = 2; - - switch (pixel_bits) { - case 8: - fb_format = GL_RGB; - fb_type = GL_UNSIGNED_BYTE_2_3_3_REV; - break; - case 16: - fb_format = GL_RGB; - fb_type = GL_UNSIGNED_SHORT_5_6_5; - break; - case 24: - fb_format = GL_BGR; - fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; - break; - case 32: - fb_format = GL_BGRA; - fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; - break; - default: - fprintf(stderr, "[%s:%u] bad depth %d\n", __FUNCTION__, __LINE__, - pixel_bits); - return NULL; - } - - configs = driCreateConfigs(fb_format, fb_type, - depth_bits_array, stencil_bits_array, - depth_buffer_factor, back_buffer_modes, - back_buffer_factor, msaa_samples_array, 1, - GL_TRUE); - if (configs == NULL) { - fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __FUNCTION__, - __LINE__); - return NULL; - } - - return configs; -} - -static const __DRIconfig ** -dri_init_screen(__DRIscreen * psp) -{ - __DRIconfig **configs8, **configs16, **configs24, **configs32; - - TRACE; - - psp->extensions = dri_screen_extensions; - - configs8 = swrastFillInModes(psp, 8, 8, 0, 1); - configs16 = swrastFillInModes(psp, 16, 16, 0, 1); - configs24 = swrastFillInModes(psp, 24, 24, 8, 1); - configs32 = swrastFillInModes(psp, 32, 24, 8, 1); - - configs16 = driConcatConfigs(configs8, configs16); - configs24 = driConcatConfigs(configs16, configs24); - configs32 = driConcatConfigs(configs24, configs32); - - return (const __DRIconfig **)configs32; -} - -static void -dri_destroy_screen(__DRIscreen * sPriv) -{ - TRACE; - (void) sPriv; -} - - -/** - * Framebuffer and renderbuffer-related functions. - */ - -static GLuint -choose_pixel_format(const struct gl_config *v) -{ - int depth = v->rgbBits; - - if (depth == 32 - && v->redMask == 0xff0000 - && v->greenMask == 0x00ff00 - && v->blueMask == 0x0000ff) - return PF_A8R8G8B8; - else if (depth == 24 - && v->redMask == 0xff0000 - && v->greenMask == 0x00ff00 - && v->blueMask == 0x0000ff) - return PF_X8R8G8B8; - else if (depth == 16 - && v->redMask == 0xf800 - && v->greenMask == 0x07e0 - && v->blueMask == 0x001f) - return PF_R5G6B5; - else if (depth == 8 - && v->redMask == 0x07 - && v->greenMask == 0x38 - && v->blueMask == 0xc0) - return PF_R3G3B2; - - _mesa_problem( NULL, "unexpected format in %s", __FUNCTION__ ); - return 0; -} - -static void -swrast_delete_renderbuffer(struct gl_renderbuffer *rb) -{ - TRACE; - - free(rb->Data); - free(rb); -} - -/* see bytes_per_line in libGL */ -static INLINE int -bytes_per_line(unsigned pitch_bits, unsigned mul) -{ - unsigned mask = mul - 1; - - return ((pitch_bits + mask) & ~mask) / 8; -} - -static GLboolean -swrast_alloc_front_storage(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); - - TRACE; - - (void) ctx; - (void) internalFormat; - - rb->Data = NULL; - rb->Width = width; - rb->Height = height; - - xrb->pitch = bytes_per_line(width * xrb->bpp, 32); - - return GL_TRUE; -} - -static GLboolean -swrast_alloc_back_storage(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); - - TRACE; - - free(rb->Data); - - swrast_alloc_front_storage(ctx, rb, internalFormat, width, height); - - rb->Data = malloc(height * xrb->pitch); - - return GL_TRUE; -} - -static struct swrast_renderbuffer * -swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front) -{ - struct swrast_renderbuffer *xrb = calloc(1, sizeof *xrb); - GLuint pixel_format; - - TRACE; - - if (!xrb) - return NULL; - - _mesa_init_renderbuffer(&xrb->Base, 0); - - pixel_format = choose_pixel_format(visual); - - xrb->Base.Delete = swrast_delete_renderbuffer; - if (front) { - xrb->Base.AllocStorage = swrast_alloc_front_storage; - swrast_set_span_funcs_front(xrb, pixel_format); - } - else { - xrb->Base.AllocStorage = swrast_alloc_back_storage; - swrast_set_span_funcs_back(xrb, pixel_format); - } - - switch (pixel_format) { - case PF_A8R8G8B8: - xrb->Base.Format = MESA_FORMAT_ARGB8888; - xrb->Base.InternalFormat = GL_RGBA; - xrb->Base._BaseFormat = GL_RGBA; - xrb->Base.DataType = GL_UNSIGNED_BYTE; - xrb->bpp = 32; - break; - case PF_X8R8G8B8: - xrb->Base.Format = MESA_FORMAT_ARGB8888; /* XXX */ - xrb->Base.InternalFormat = GL_RGB; - xrb->Base._BaseFormat = GL_RGB; - xrb->Base.DataType = GL_UNSIGNED_BYTE; - xrb->bpp = 32; - break; - case PF_R5G6B5: - xrb->Base.Format = MESA_FORMAT_RGB565; - xrb->Base.InternalFormat = GL_RGB; - xrb->Base._BaseFormat = GL_RGB; - xrb->Base.DataType = GL_UNSIGNED_BYTE; - xrb->bpp = 16; - break; - case PF_R3G3B2: - xrb->Base.Format = MESA_FORMAT_RGB332; - xrb->Base.InternalFormat = GL_RGB; - xrb->Base._BaseFormat = GL_RGB; - xrb->Base.DataType = GL_UNSIGNED_BYTE; - xrb->bpp = 8; - break; - default: - return NULL; - } - - return xrb; -} - -static GLboolean -dri_create_buffer(__DRIscreen * sPriv, - __DRIdrawable * dPriv, - const struct gl_config * visual, GLboolean isPixmap) -{ - struct dri_drawable *drawable = NULL; - struct gl_framebuffer *fb; - struct swrast_renderbuffer *frontrb, *backrb; - - TRACE; - - (void) sPriv; - (void) isPixmap; - - drawable = CALLOC_STRUCT(dri_drawable); - if (drawable == NULL) - goto drawable_fail; - - dPriv->driverPrivate = drawable; - drawable->dPriv = dPriv; - - drawable->row = malloc(MAX_WIDTH * 4); - if (drawable->row == NULL) - goto drawable_fail; - - fb = &drawable->Base; - - /* basic framebuffer setup */ - _mesa_initialize_window_framebuffer(fb, visual); - - /* add front renderbuffer */ - frontrb = swrast_new_renderbuffer(visual, GL_TRUE); - _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base); - - /* add back renderbuffer */ - if (visual->doubleBufferMode) { - backrb = swrast_new_renderbuffer(visual, GL_FALSE); - _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base); - } - - /* add software renderbuffers */ - _mesa_add_soft_renderbuffers(fb, - GL_FALSE, /* color */ - visual->haveDepthBuffer, - visual->haveStencilBuffer, - visual->haveAccumBuffer, - GL_FALSE, /* alpha */ - GL_FALSE /* aux bufs */); - - return GL_TRUE; - -drawable_fail: - - if (drawable) - free(drawable->row); - - FREE(drawable); - - return GL_FALSE; -} - -static void -dri_destroy_buffer(__DRIdrawable * dPriv) -{ - TRACE; - - if (dPriv) { - struct dri_drawable *drawable = dri_drawable(dPriv); - struct gl_framebuffer *fb; - - free(drawable->row); - - fb = &drawable->Base; - - fb->DeletePending = GL_TRUE; - _mesa_reference_framebuffer(&fb, NULL); - } -} - -static void -dri_swap_buffers(__DRIdrawable * dPriv) -{ - __DRIscreen *sPriv = dPriv->driScreenPriv; - - GET_CURRENT_CONTEXT(ctx); - - struct dri_drawable *drawable = dri_drawable(dPriv); - struct gl_framebuffer *fb; - struct swrast_renderbuffer *frontrb, *backrb; - - TRACE; - - fb = &drawable->Base; - - frontrb = - swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); - backrb = - swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); - - /* check for signle-buffered */ - if (backrb == NULL) - return; - - /* check if swapping currently bound buffer */ - if (ctx && ctx->DrawBuffer == fb) { - /* flush pending rendering */ - _mesa_notifySwapBuffers(ctx); - } - - sPriv->swrast_loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP, - 0, 0, - frontrb->Base.Width, - frontrb->Base.Height, - backrb->Base.Data, - dPriv->loaderPrivate); -} - - -/** - * General device driver functions. - */ - -static void -get_window_size( struct gl_framebuffer *fb, GLsizei *w, GLsizei *h ) -{ - __DRIdrawable *dPriv = swrast_drawable(fb)->dPriv; - __DRIscreen *sPriv = dPriv->driScreenPriv; - int x, y; - - sPriv->swrast_loader->getDrawableInfo(dPriv, - &x, &y, w, h, - dPriv->loaderPrivate); -} - -static void -swrast_check_and_update_window_size( struct gl_context *ctx, struct gl_framebuffer *fb ) -{ - GLsizei width, height; - - get_window_size(fb, &width, &height); - if (fb->Width != width || fb->Height != height) { - _mesa_resize_framebuffer(ctx, fb, width, height); - } -} - -static const GLubyte * -get_string(struct gl_context *ctx, GLenum pname) -{ - (void) ctx; - switch (pname) { - case GL_VENDOR: - return (const GLubyte *) "Mesa Project"; - case GL_RENDERER: - return (const GLubyte *) "Software Rasterizer"; - default: - return NULL; - } -} - -static void -update_state( struct gl_context *ctx, GLuint new_state ) -{ - /* not much to do here - pass it on */ - _swrast_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); - _vbo_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); -} - -static void -viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) -{ - struct gl_framebuffer *draw = ctx->WinSysDrawBuffer; - struct gl_framebuffer *read = ctx->WinSysReadBuffer; - - (void) x; - (void) y; - (void) w; - (void) h; - swrast_check_and_update_window_size(ctx, draw); - swrast_check_and_update_window_size(ctx, read); -} - -static gl_format swrastChooseTextureFormat(struct gl_context * ctx, - GLint internalFormat, - GLenum format, - GLenum type) -{ - if (internalFormat == GL_RGB) - return MESA_FORMAT_XRGB8888; - return _mesa_choose_tex_format(ctx, internalFormat, format, type); -} - -static void -swrast_init_driver_functions(struct dd_function_table *driver) -{ - driver->GetString = get_string; - driver->UpdateState = update_state; - driver->GetBufferSize = NULL; - driver->Viewport = viewport; - driver->ChooseTextureFormat = swrastChooseTextureFormat; -} - -static const char *es2_extensions[] = { - /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */ - "GL_ARB_draw_buffers", - "GL_ARB_multisample", - "GL_ARB_texture_compression", - "GL_ARB_transpose_matrix", - "GL_ARB_vertex_buffer_object", - "GL_ARB_window_pos", - "GL_EXT_blend_func_separate", - "GL_EXT_compiled_vertex_array", - "GL_EXT_framebuffer_blit", - "GL_EXT_multi_draw_arrays", - "GL_EXT_polygon_offset", - "GL_EXT_texture_object", - "GL_EXT_vertex_array", - "GL_IBM_multimode_draw_arrays", - "GL_MESA_window_pos", - "GL_NV_vertex_program", - - /* Required by GLES2 */ - "GL_ARB_fragment_program", - "GL_ARB_fragment_shader", - "GL_ARB_multitexture", - "GL_ARB_shader_objects", - "GL_ARB_texture_cube_map", - "GL_ARB_texture_mirrored_repeat", - "GL_ARB_texture_non_power_of_two", - "GL_ARB_vertex_shader", - "GL_EXT_blend_color", - "GL_EXT_blend_equation_separate", - "GL_EXT_blend_minmax", - "GL_EXT_blend_subtract", - "GL_EXT_stencil_wrap", - - /* Optional GLES2 */ - "GL_ARB_framebuffer_object", - "GL_EXT_texture_filter_anisotropic", - "GL_ARB_depth_texture", - "GL_EXT_packed_depth_stencil", - "GL_EXT_framebuffer_object", - NULL, -}; - -static void -InitExtensionsES2(struct gl_context *ctx) -{ - int i; - - for (i = 0; es2_extensions[i]; i++) - _mesa_enable_extension(ctx, es2_extensions[i]); -} - -/** - * Context-related functions. - */ - -static GLboolean -dri_create_context(gl_api api, - const struct gl_config * visual, - __DRIcontext * cPriv, void *sharedContextPrivate) -{ - struct dri_context *ctx = NULL; - struct dri_context *share = (struct dri_context *)sharedContextPrivate; - struct gl_context *mesaCtx = NULL; - struct gl_context *sharedCtx = NULL; - struct dd_function_table functions; - - TRACE; - - ctx = CALLOC_STRUCT(dri_context); - if (ctx == NULL) - goto context_fail; - - cPriv->driverPrivate = ctx; - ctx->cPriv = cPriv; - - /* build table of device driver functions */ - _mesa_init_driver_functions(&functions); - swrast_init_driver_functions(&functions); - - if (share) { - sharedCtx = &share->Base; - } - - mesaCtx = &ctx->Base; - - /* basic context setup */ - if (!_mesa_initialize_context(mesaCtx, api, visual, sharedCtx, &functions, (void *) cPriv)) { - goto context_fail; - } - - /* do bounds checking to prevent segfaults and server crashes! */ - mesaCtx->Const.CheckArrayBounds = GL_TRUE; - - /* create module contexts */ - _swrast_CreateContext( mesaCtx ); - _vbo_CreateContext( mesaCtx ); - _tnl_CreateContext( mesaCtx ); - _swsetup_CreateContext( mesaCtx ); - _swsetup_Wakeup( mesaCtx ); - - /* use default TCL pipeline */ - { - TNLcontext *tnl = TNL_CONTEXT(mesaCtx); - tnl->Driver.RunPipeline = _tnl_run_pipeline; - } - - _mesa_meta_init(mesaCtx); - _mesa_enable_sw_extensions(mesaCtx); - - switch (api) { - case API_OPENGL: - _mesa_enable_1_3_extensions(mesaCtx); - _mesa_enable_1_4_extensions(mesaCtx); - _mesa_enable_1_5_extensions(mesaCtx); - _mesa_enable_2_0_extensions(mesaCtx); - _mesa_enable_2_1_extensions(mesaCtx); - break; - case API_OPENGLES: - _mesa_enable_1_3_extensions(mesaCtx); - _mesa_enable_1_4_extensions(mesaCtx); - _mesa_enable_1_5_extensions(mesaCtx); - - break; - case API_OPENGLES2: - InitExtensionsES2( mesaCtx); - break; - } - - return GL_TRUE; - -context_fail: - - FREE(ctx); - - return GL_FALSE; -} - -static void -dri_destroy_context(__DRIcontext * cPriv) -{ - TRACE; - - if (cPriv) { - struct dri_context *ctx = dri_context(cPriv); - struct gl_context *mesaCtx; - - mesaCtx = &ctx->Base; - - _mesa_meta_free(mesaCtx); - _swsetup_DestroyContext( mesaCtx ); - _swrast_DestroyContext( mesaCtx ); - _tnl_DestroyContext( mesaCtx ); - _vbo_DestroyContext( mesaCtx ); - _mesa_destroy_context( mesaCtx ); - } -} - -static GLboolean -dri_make_current(__DRIcontext * cPriv, - __DRIdrawable * driDrawPriv, - __DRIdrawable * driReadPriv) -{ - struct gl_context *mesaCtx; - struct gl_framebuffer *mesaDraw; - struct gl_framebuffer *mesaRead; - TRACE; - - if (cPriv) { - struct dri_context *ctx = dri_context(cPriv); - struct dri_drawable *draw; - struct dri_drawable *read; - - if (!driDrawPriv || !driReadPriv) - return GL_FALSE; - - draw = dri_drawable(driDrawPriv); - read = dri_drawable(driReadPriv); - mesaCtx = &ctx->Base; - mesaDraw = &draw->Base; - mesaRead = &read->Base; - - /* check for same context and buffer */ - if (mesaCtx == _mesa_get_current_context() - && mesaCtx->DrawBuffer == mesaDraw - && mesaCtx->ReadBuffer == mesaRead) { - return GL_TRUE; - } - - _glapi_check_multithread(); - - swrast_check_and_update_window_size(mesaCtx, mesaDraw); - if (mesaRead != mesaDraw) - swrast_check_and_update_window_size(mesaCtx, mesaRead); - - _mesa_make_current( mesaCtx, - mesaDraw, - mesaRead ); - } - else { - /* unbind */ - _mesa_make_current( NULL, NULL, NULL ); - } - - return GL_TRUE; -} - -static GLboolean -dri_unbind_context(__DRIcontext * cPriv) -{ - TRACE; - (void) cPriv; - - /* Unset current context and dispath table */ - _mesa_make_current(NULL, NULL, NULL); - - return GL_TRUE; -} - - -const struct __DriverAPIRec driDriverAPI = { - /*.InitScreen = */dri_init_screen, - /*.DestroyScreen = */dri_destroy_screen, - /*.CreateContext = */dri_create_context, - /*.DestroyContext = */dri_destroy_context, - /*.CreateBuffer = */dri_create_buffer, - /*.DestroyBuffer = */dri_destroy_buffer, - /*.SwapBuffers = */dri_swap_buffers, - /*.MakeCurrent = */dri_make_current, - /*.UnbindContext = */dri_unbind_context, -}; - -/* This is the table of extensions that the loader will dlsym() for. */ -PUBLIC const __DRIextension *__driDriverExtensions[] = { - &driCoreExtension.base, - &driSWRastExtension.base, - NULL -}; +/* + * Copyright 2008, 2010 George Sapountzis + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * DRI software rasterizer + * + * This is the mesa swrast module packaged into a DRI driver structure. + * + * The front-buffer is allocated by the loader. The loader provides read/write + * callbacks for access to the front-buffer. The driver uses a scratch row for + * front-buffer rendering to avoid repeated calls to the loader. + * + * The back-buffer is allocated by the driver and is private. + */ + +#ifdef _MSC_VER +#define WIN32_LEAN_AND_MEAN 1 +#include +#endif + +#include "main/context.h" +#include "main/extensions.h" +#include "main/formats.h" +#include "main/framebuffer.h" +#include "main/imports.h" +#include "main/renderbuffer.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" +#include "vbo/vbo.h" +#include "drivers/common/driverfuncs.h" +#include "drivers/common/meta.h" +#include "utils.h" + +#include "main/teximage.h" +#include "main/texformat.h" +#include "main/texstate.h" + +#include "swrast_priv.h" + + +/** + * Screen and config-related functions + */ + +static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target, + GLint texture_format, __DRIdrawable *dPriv) +{ + struct dri_context *dri_ctx; + int x, y, w, h; + __DRIscreen *sPriv = dPriv->driScreenPriv; + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + uint32_t internalFormat; + gl_format texFormat; + + dri_ctx = pDRICtx->driverPrivate; + + internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4); + + texUnit = _mesa_get_current_tex_unit(&dri_ctx->Base); + texObj = _mesa_select_tex_object(&dri_ctx->Base, texUnit, target); + texImage = _mesa_get_tex_image(&dri_ctx->Base, texObj, target, 0); + + _mesa_lock_texture(&dri_ctx->Base, texObj); + + sPriv->swrast_loader->getDrawableInfo(dPriv, &x, &y, &w, &h, dPriv->loaderPrivate); + + if (texture_format == __DRI_TEXTURE_FORMAT_RGB) + texFormat = MESA_FORMAT_XRGB8888; + else + texFormat = MESA_FORMAT_ARGB8888; + + _mesa_init_teximage_fields(&dri_ctx->Base, target, texImage, + w, h, 1, 0, internalFormat, texFormat); + + sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)texImage->Data, + dPriv->loaderPrivate); + + _mesa_unlock_texture(&dri_ctx->Base, texObj); +} + +static void swrastSetTexBuffer(__DRIcontext *pDRICtx, GLint target, + __DRIdrawable *dPriv) +{ + swrastSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv); +} + +static const __DRItexBufferExtension swrastTexBufferExtension = { + { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, + swrastSetTexBuffer, + swrastSetTexBuffer2, +}; + +static const __DRIextension *dri_screen_extensions[] = { + &swrastTexBufferExtension.base, + NULL +}; + +static __DRIconfig ** +swrastFillInModes(__DRIscreen *psp, + unsigned pixel_bits, unsigned depth_bits, + unsigned stencil_bits, GLboolean have_back_buffer) +{ + __DRIconfig **configs; + unsigned depth_buffer_factor; + unsigned back_buffer_factor; + GLenum fb_format; + GLenum fb_type; + + /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't + * support pageflipping at all. + */ + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML + }; + + uint8_t depth_bits_array[4]; + uint8_t stencil_bits_array[4]; + uint8_t msaa_samples_array[1]; + + (void) psp; + (void) have_back_buffer; + + depth_bits_array[0] = 0; + depth_bits_array[1] = 0; + depth_bits_array[2] = depth_bits; + depth_bits_array[3] = depth_bits; + + /* Just like with the accumulation buffer, always provide some modes + * with a stencil buffer. + */ + stencil_bits_array[0] = 0; + stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; + stencil_bits_array[2] = 0; + stencil_bits_array[3] = (stencil_bits == 0) ? 8 : stencil_bits; + + msaa_samples_array[0] = 0; + + depth_buffer_factor = 4; + back_buffer_factor = 2; + + switch (pixel_bits) { + case 8: + fb_format = GL_RGB; + fb_type = GL_UNSIGNED_BYTE_2_3_3_REV; + break; + case 16: + fb_format = GL_RGB; + fb_type = GL_UNSIGNED_SHORT_5_6_5; + break; + case 24: + fb_format = GL_BGR; + fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; + break; + case 32: + fb_format = GL_BGRA; + fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; + break; + default: + fprintf(stderr, "[%s:%u] bad depth %d\n", __FUNCTION__, __LINE__, + pixel_bits); + return NULL; + } + + configs = driCreateConfigs(fb_format, fb_type, + depth_bits_array, stencil_bits_array, + depth_buffer_factor, back_buffer_modes, + back_buffer_factor, msaa_samples_array, 1, + GL_TRUE); + if (configs == NULL) { + fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __FUNCTION__, + __LINE__); + return NULL; + } + + return configs; +} + +static const __DRIconfig ** +dri_init_screen(__DRIscreen * psp) +{ + __DRIconfig **configs8, **configs16, **configs24, **configs32; + + TRACE; + + psp->extensions = dri_screen_extensions; + + configs8 = swrastFillInModes(psp, 8, 8, 0, 1); + configs16 = swrastFillInModes(psp, 16, 16, 0, 1); + configs24 = swrastFillInModes(psp, 24, 24, 8, 1); + configs32 = swrastFillInModes(psp, 32, 24, 8, 1); + + configs16 = driConcatConfigs(configs8, configs16); + configs24 = driConcatConfigs(configs16, configs24); + configs32 = driConcatConfigs(configs24, configs32); + + return (const __DRIconfig **)configs32; +} + +static void +dri_destroy_screen(__DRIscreen * sPriv) +{ + TRACE; + (void) sPriv; +} + + +/** + * Framebuffer and renderbuffer-related functions. + */ + +static GLuint +choose_pixel_format(const struct gl_config *v) +{ + int depth = v->rgbBits; + + if (depth == 32 + && v->redMask == 0xff0000 + && v->greenMask == 0x00ff00 + && v->blueMask == 0x0000ff) + return PF_A8R8G8B8; + else if (depth == 24 + && v->redMask == 0xff0000 + && v->greenMask == 0x00ff00 + && v->blueMask == 0x0000ff) + return PF_X8R8G8B8; + else if (depth == 16 + && v->redMask == 0xf800 + && v->greenMask == 0x07e0 + && v->blueMask == 0x001f) + return PF_R5G6B5; + else if (depth == 8 + && v->redMask == 0x07 + && v->greenMask == 0x38 + && v->blueMask == 0xc0) + return PF_R3G3B2; + + _mesa_problem( NULL, "unexpected format in %s", __FUNCTION__ ); + return 0; +} + +static void +swrast_delete_renderbuffer(struct gl_renderbuffer *rb) +{ + TRACE; + + free(rb->Data); + free(rb); +} + +/* see bytes_per_line in libGL */ +static INLINE int +bytes_per_line(unsigned pitch_bits, unsigned mul) +{ + unsigned mask = mul - 1; + + return ((pitch_bits + mask) & ~mask) / 8; +} + +static GLboolean +swrast_alloc_front_storage(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); + + TRACE; + + (void) ctx; + (void) internalFormat; + + rb->Data = NULL; + rb->Width = width; + rb->Height = height; + + xrb->pitch = bytes_per_line(width * xrb->bpp, 32); + + return GL_TRUE; +} + +static GLboolean +swrast_alloc_back_storage(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); + + TRACE; + + free(rb->Data); + + swrast_alloc_front_storage(ctx, rb, internalFormat, width, height); + + rb->Data = malloc(height * xrb->pitch); + + return GL_TRUE; +} + +static struct swrast_renderbuffer * +swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front) +{ + struct swrast_renderbuffer *xrb = calloc(1, sizeof *xrb); + GLuint pixel_format; + + TRACE; + + if (!xrb) + return NULL; + + _mesa_init_renderbuffer(&xrb->Base, 0); + + pixel_format = choose_pixel_format(visual); + + xrb->Base.Delete = swrast_delete_renderbuffer; + if (front) { + xrb->Base.AllocStorage = swrast_alloc_front_storage; + swrast_set_span_funcs_front(xrb, pixel_format); + } + else { + xrb->Base.AllocStorage = swrast_alloc_back_storage; + swrast_set_span_funcs_back(xrb, pixel_format); + } + + switch (pixel_format) { + case PF_A8R8G8B8: + xrb->Base.Format = MESA_FORMAT_ARGB8888; + xrb->Base.InternalFormat = GL_RGBA; + xrb->Base._BaseFormat = GL_RGBA; + xrb->Base.DataType = GL_UNSIGNED_BYTE; + xrb->bpp = 32; + break; + case PF_X8R8G8B8: + xrb->Base.Format = MESA_FORMAT_ARGB8888; /* XXX */ + xrb->Base.InternalFormat = GL_RGB; + xrb->Base._BaseFormat = GL_RGB; + xrb->Base.DataType = GL_UNSIGNED_BYTE; + xrb->bpp = 32; + break; + case PF_R5G6B5: + xrb->Base.Format = MESA_FORMAT_RGB565; + xrb->Base.InternalFormat = GL_RGB; + xrb->Base._BaseFormat = GL_RGB; + xrb->Base.DataType = GL_UNSIGNED_BYTE; + xrb->bpp = 16; + break; + case PF_R3G3B2: + xrb->Base.Format = MESA_FORMAT_RGB332; + xrb->Base.InternalFormat = GL_RGB; + xrb->Base._BaseFormat = GL_RGB; + xrb->Base.DataType = GL_UNSIGNED_BYTE; + xrb->bpp = 8; + break; + default: + return NULL; + } + + return xrb; +} + +static GLboolean +dri_create_buffer(__DRIscreen * sPriv, + __DRIdrawable * dPriv, + const struct gl_config * visual, GLboolean isPixmap) +{ + struct dri_drawable *drawable = NULL; + struct gl_framebuffer *fb; + struct swrast_renderbuffer *frontrb, *backrb; + + TRACE; + + (void) sPriv; + (void) isPixmap; + + drawable = CALLOC_STRUCT(dri_drawable); + if (drawable == NULL) + goto drawable_fail; + + dPriv->driverPrivate = drawable; + drawable->dPriv = dPriv; + + drawable->row = malloc(MAX_WIDTH * 4); + if (drawable->row == NULL) + goto drawable_fail; + + fb = &drawable->Base; + + /* basic framebuffer setup */ + _mesa_initialize_window_framebuffer(fb, visual); + + /* add front renderbuffer */ + frontrb = swrast_new_renderbuffer(visual, GL_TRUE); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base); + + /* add back renderbuffer */ + if (visual->doubleBufferMode) { + backrb = swrast_new_renderbuffer(visual, GL_FALSE); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base); + } + + /* add software renderbuffers */ + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* color */ + visual->haveDepthBuffer, + visual->haveStencilBuffer, + visual->haveAccumBuffer, + GL_FALSE, /* alpha */ + GL_FALSE /* aux bufs */); + + return GL_TRUE; + +drawable_fail: + + if (drawable) + free(drawable->row); + + FREE(drawable); + + return GL_FALSE; +} + +static void +dri_destroy_buffer(__DRIdrawable * dPriv) +{ + TRACE; + + if (dPriv) { + struct dri_drawable *drawable = dri_drawable(dPriv); + struct gl_framebuffer *fb; + + free(drawable->row); + + fb = &drawable->Base; + + fb->DeletePending = GL_TRUE; + _mesa_reference_framebuffer(&fb, NULL); + } +} + +static void +dri_swap_buffers(__DRIdrawable * dPriv) +{ + __DRIscreen *sPriv = dPriv->driScreenPriv; + + GET_CURRENT_CONTEXT(ctx); + + struct dri_drawable *drawable = dri_drawable(dPriv); + struct gl_framebuffer *fb; + struct swrast_renderbuffer *frontrb, *backrb; + + TRACE; + + fb = &drawable->Base; + + frontrb = + swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + backrb = + swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); + + /* check for signle-buffered */ + if (backrb == NULL) + return; + + /* check if swapping currently bound buffer */ + if (ctx && ctx->DrawBuffer == fb) { + /* flush pending rendering */ + _mesa_notifySwapBuffers(ctx); + } + + sPriv->swrast_loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP, + 0, 0, + frontrb->Base.Width, + frontrb->Base.Height, + backrb->Base.Data, + dPriv->loaderPrivate); +} + + +/** + * General device driver functions. + */ + +static void +get_window_size( struct gl_framebuffer *fb, GLsizei *w, GLsizei *h ) +{ + __DRIdrawable *dPriv = swrast_drawable(fb)->dPriv; + __DRIscreen *sPriv = dPriv->driScreenPriv; + int x, y; + + sPriv->swrast_loader->getDrawableInfo(dPriv, + &x, &y, w, h, + dPriv->loaderPrivate); +} + +static void +swrast_check_and_update_window_size( struct gl_context *ctx, struct gl_framebuffer *fb ) +{ + GLsizei width, height; + + get_window_size(fb, &width, &height); + if (fb->Width != width || fb->Height != height) { + _mesa_resize_framebuffer(ctx, fb, width, height); + } +} + +static const GLubyte * +get_string(struct gl_context *ctx, GLenum pname) +{ + (void) ctx; + switch (pname) { + case GL_VENDOR: + return (const GLubyte *) "Mesa Project"; + case GL_RENDERER: + return (const GLubyte *) "Software Rasterizer"; + default: + return NULL; + } +} + +static void +update_state( struct gl_context *ctx, GLuint new_state ) +{ + /* not much to do here - pass it on */ + _swrast_InvalidateState( ctx, new_state ); + _swsetup_InvalidateState( ctx, new_state ); + _vbo_InvalidateState( ctx, new_state ); + _tnl_InvalidateState( ctx, new_state ); +} + +static void +viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) +{ + struct gl_framebuffer *draw = ctx->WinSysDrawBuffer; + struct gl_framebuffer *read = ctx->WinSysReadBuffer; + + (void) x; + (void) y; + (void) w; + (void) h; + swrast_check_and_update_window_size(ctx, draw); + swrast_check_and_update_window_size(ctx, read); +} + +static gl_format swrastChooseTextureFormat(struct gl_context * ctx, + GLint internalFormat, + GLenum format, + GLenum type) +{ + if (internalFormat == GL_RGB) + return MESA_FORMAT_XRGB8888; + return _mesa_choose_tex_format(ctx, internalFormat, format, type); +} + +static void +swrast_init_driver_functions(struct dd_function_table *driver) +{ + driver->GetString = get_string; + driver->UpdateState = update_state; + driver->GetBufferSize = NULL; + driver->Viewport = viewport; + driver->ChooseTextureFormat = swrastChooseTextureFormat; +} + +static const char *es2_extensions[] = { + /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */ + "GL_ARB_draw_buffers", + "GL_ARB_multisample", + "GL_ARB_texture_compression", + "GL_ARB_transpose_matrix", + "GL_ARB_vertex_buffer_object", + "GL_ARB_window_pos", + "GL_EXT_blend_func_separate", + "GL_EXT_compiled_vertex_array", + "GL_EXT_framebuffer_blit", + "GL_EXT_multi_draw_arrays", + "GL_EXT_polygon_offset", + "GL_EXT_texture_object", + "GL_EXT_vertex_array", + "GL_IBM_multimode_draw_arrays", + "GL_MESA_window_pos", + "GL_NV_vertex_program", + + /* Required by GLES2 */ + "GL_ARB_fragment_program", + "GL_ARB_fragment_shader", + "GL_ARB_multitexture", + "GL_ARB_shader_objects", + "GL_ARB_texture_cube_map", + "GL_ARB_texture_mirrored_repeat", + "GL_ARB_texture_non_power_of_two", + "GL_ARB_vertex_shader", + "GL_EXT_blend_color", + "GL_EXT_blend_equation_separate", + "GL_EXT_blend_minmax", + "GL_EXT_blend_subtract", + "GL_EXT_stencil_wrap", + + /* Optional GLES2 */ + "GL_ARB_framebuffer_object", + "GL_EXT_texture_filter_anisotropic", + "GL_ARB_depth_texture", + "GL_EXT_packed_depth_stencil", + "GL_EXT_framebuffer_object", + NULL, +}; + +static void +InitExtensionsES2(struct gl_context *ctx) +{ + int i; + + for (i = 0; es2_extensions[i]; i++) + _mesa_enable_extension(ctx, es2_extensions[i]); +} + +/** + * Context-related functions. + */ + +static GLboolean +dri_create_context(gl_api api, + const struct gl_config * visual, + __DRIcontext * cPriv, void *sharedContextPrivate) +{ + struct dri_context *ctx = NULL; + struct dri_context *share = (struct dri_context *)sharedContextPrivate; + struct gl_context *mesaCtx = NULL; + struct gl_context *sharedCtx = NULL; + struct dd_function_table functions; + + TRACE; + + ctx = CALLOC_STRUCT(dri_context); + if (ctx == NULL) + goto context_fail; + + cPriv->driverPrivate = ctx; + ctx->cPriv = cPriv; + + /* build table of device driver functions */ + _mesa_init_driver_functions(&functions); + swrast_init_driver_functions(&functions); + + if (share) { + sharedCtx = &share->Base; + } + + mesaCtx = &ctx->Base; + + /* basic context setup */ + if (!_mesa_initialize_context(mesaCtx, api, visual, sharedCtx, &functions, (void *) cPriv)) { + goto context_fail; + } + + /* do bounds checking to prevent segfaults and server crashes! */ + mesaCtx->Const.CheckArrayBounds = GL_TRUE; + + /* create module contexts */ + _swrast_CreateContext( mesaCtx ); + _vbo_CreateContext( mesaCtx ); + _tnl_CreateContext( mesaCtx ); + _swsetup_CreateContext( mesaCtx ); + _swsetup_Wakeup( mesaCtx ); + + /* use default TCL pipeline */ + { + TNLcontext *tnl = TNL_CONTEXT(mesaCtx); + tnl->Driver.RunPipeline = _tnl_run_pipeline; + } + + _mesa_meta_init(mesaCtx); + _mesa_enable_sw_extensions(mesaCtx); + + switch (api) { + case API_OPENGL: + _mesa_enable_1_3_extensions(mesaCtx); + _mesa_enable_1_4_extensions(mesaCtx); + _mesa_enable_1_5_extensions(mesaCtx); + _mesa_enable_2_0_extensions(mesaCtx); + _mesa_enable_2_1_extensions(mesaCtx); + break; + case API_OPENGLES: + _mesa_enable_1_3_extensions(mesaCtx); + _mesa_enable_1_4_extensions(mesaCtx); + _mesa_enable_1_5_extensions(mesaCtx); + + break; + case API_OPENGLES2: + InitExtensionsES2( mesaCtx); + break; + } + + return GL_TRUE; + +context_fail: + + FREE(ctx); + + return GL_FALSE; +} + +static void +dri_destroy_context(__DRIcontext * cPriv) +{ + TRACE; + + if (cPriv) { + struct dri_context *ctx = dri_context(cPriv); + struct gl_context *mesaCtx; + + mesaCtx = &ctx->Base; + + _mesa_meta_free(mesaCtx); + _swsetup_DestroyContext( mesaCtx ); + _swrast_DestroyContext( mesaCtx ); + _tnl_DestroyContext( mesaCtx ); + _vbo_DestroyContext( mesaCtx ); + _mesa_destroy_context( mesaCtx ); + } +} + +static GLboolean +dri_make_current(__DRIcontext * cPriv, + __DRIdrawable * driDrawPriv, + __DRIdrawable * driReadPriv) +{ + struct gl_context *mesaCtx; + struct gl_framebuffer *mesaDraw; + struct gl_framebuffer *mesaRead; + TRACE; + + if (cPriv) { + struct dri_context *ctx = dri_context(cPriv); + struct dri_drawable *draw; + struct dri_drawable *read; + + if (!driDrawPriv || !driReadPriv) + return GL_FALSE; + + draw = dri_drawable(driDrawPriv); + read = dri_drawable(driReadPriv); + mesaCtx = &ctx->Base; + mesaDraw = &draw->Base; + mesaRead = &read->Base; + + /* check for same context and buffer */ + if (mesaCtx == _mesa_get_current_context() + && mesaCtx->DrawBuffer == mesaDraw + && mesaCtx->ReadBuffer == mesaRead) { + return GL_TRUE; + } + + _glapi_check_multithread(); + + swrast_check_and_update_window_size(mesaCtx, mesaDraw); + if (mesaRead != mesaDraw) + swrast_check_and_update_window_size(mesaCtx, mesaRead); + + _mesa_make_current( mesaCtx, + mesaDraw, + mesaRead ); + } + else { + /* unbind */ + _mesa_make_current( NULL, NULL, NULL ); + } + + return GL_TRUE; +} + +static GLboolean +dri_unbind_context(__DRIcontext * cPriv) +{ + TRACE; + (void) cPriv; + + /* Unset current context and dispath table */ + _mesa_make_current(NULL, NULL, NULL); + + return GL_TRUE; +} + + +const struct __DriverAPIRec driDriverAPI = { + /*.InitScreen = */dri_init_screen, + /*.DestroyScreen = */dri_destroy_screen, + /*.CreateContext = */dri_create_context, + /*.DestroyContext = */dri_destroy_context, + /*.CreateBuffer = */dri_create_buffer, + /*.DestroyBuffer = */dri_destroy_buffer, + /*.SwapBuffers = */dri_swap_buffers, + /*.MakeCurrent = */dri_make_current, + /*.UnbindContext = */dri_unbind_context, +}; + +/* This is the table of extensions that the loader will dlsym() for. */ +PUBLIC const __DRIextension *__driDriverExtensions[] = { + &driCoreExtension.base, + &driSWRastExtension.base, + NULL +}; diff --git a/mesalib/src/mesa/drivers/windows/gdi/mesa.def b/mesalib/src/mesa/drivers/windows/gdi/mesa.def index fbf275609..d5c98801d 100644 --- a/mesalib/src/mesa/drivers/windows/gdi/mesa.def +++ b/mesalib/src/mesa/drivers/windows/gdi/mesa.def @@ -1,856 +1,856 @@ -; DO NOT EDIT - This file generated automatically by mesadef.py script -;DESCRIPTION 'Mesa (OpenGL work-alike) for Win32' -VERSION 6.5 -; -; Module definition file for Mesa (OPENGL32.DLL) -; -; Note: The OpenGL functions use the STDCALL -; function calling convention. Microsoft's -; OPENGL32 uses this convention and so must the -; Mesa OPENGL32 so that the Mesa DLL can be used -; as a drop-in replacement. -; -; The linker exports STDCALL entry points with -; 'decorated' names; e.g., _glBegin@0, where the -; trailing number is the number of bytes of -; parameter data pushed onto the stack. The -; callee is responsible for popping this data -; off the stack, usually via a RETF n instruction. -; -; However, the Microsoft OPENGL32.DLL does not export -; the decorated names, even though the calling convention -; is STDCALL. So, this module definition file is -; needed to force the Mesa OPENGL32.DLL to export the -; symbols in the same manner as the Microsoft DLL. -; Were it not for this problem, this file would not -; be needed (for the gl* functions) since the entry -; points are compiled with dllexport declspec. -; -EXPORTS - glNewList - glEndList - glCallList - glCallLists - glDeleteLists - glGenLists - glListBase - glBegin - glBitmap - glColor3b - glColor3bv - glColor3d - glColor3dv - glColor3f - glColor3fv - glColor3i - glColor3iv - glColor3s - glColor3sv - glColor3ub - glColor3ubv - glColor3ui - glColor3uiv - glColor3us - glColor3usv - glColor4b - glColor4bv - glColor4d - glColor4dv - glColor4f - glColor4fv - glColor4i - glColor4iv - glColor4s - glColor4sv - glColor4ub - glColor4ubv - glColor4ui - glColor4uiv - glColor4us - glColor4usv - glEdgeFlag - glEdgeFlagv - glEnd - glIndexd - glIndexdv - glIndexf - glIndexfv - glIndexi - glIndexiv - glIndexs - glIndexsv - glNormal3b - glNormal3bv - glNormal3d - glNormal3dv - glNormal3f - glNormal3fv - glNormal3i - glNormal3iv - glNormal3s - glNormal3sv - glRasterPos2d - glRasterPos2dv - glRasterPos2f - glRasterPos2fv - glRasterPos2i - glRasterPos2iv - glRasterPos2s - glRasterPos2sv - glRasterPos3d - glRasterPos3dv - glRasterPos3f - glRasterPos3fv - glRasterPos3i - glRasterPos3iv - glRasterPos3s - glRasterPos3sv - glRasterPos4d - glRasterPos4dv - glRasterPos4f - glRasterPos4fv - glRasterPos4i - glRasterPos4iv - glRasterPos4s - glRasterPos4sv - glRectd - glRectdv - glRectf - glRectfv - glRecti - glRectiv - glRects - glRectsv - glTexCoord1d - glTexCoord1dv - glTexCoord1f - glTexCoord1fv - glTexCoord1i - glTexCoord1iv - glTexCoord1s - glTexCoord1sv - glTexCoord2d - glTexCoord2dv - glTexCoord2f - glTexCoord2fv - glTexCoord2i - glTexCoord2iv - glTexCoord2s - glTexCoord2sv - glTexCoord3d - glTexCoord3dv - glTexCoord3f - glTexCoord3fv - glTexCoord3i - glTexCoord3iv - glTexCoord3s - glTexCoord3sv - glTexCoord4d - glTexCoord4dv - glTexCoord4f - glTexCoord4fv - glTexCoord4i - glTexCoord4iv - glTexCoord4s - glTexCoord4sv - glVertex2d - glVertex2dv - glVertex2f - glVertex2fv - glVertex2i - glVertex2iv - glVertex2s - glVertex2sv - glVertex3d - glVertex3dv - glVertex3f - glVertex3fv - glVertex3i - glVertex3iv - glVertex3s - glVertex3sv - glVertex4d - glVertex4dv - glVertex4f - glVertex4fv - glVertex4i - glVertex4iv - glVertex4s - glVertex4sv - glClipPlane - glColorMaterial - glCullFace - glFogf - glFogfv - glFogi - glFogiv - glFrontFace - glHint - glLightf - glLightfv - glLighti - glLightiv - glLightModelf - glLightModelfv - glLightModeli - glLightModeliv - glLineStipple - glLineWidth - glMaterialf - glMaterialfv - glMateriali - glMaterialiv - glPointSize - glPolygonMode - glPolygonStipple - glScissor - glShadeModel - glTexParameterf - glTexParameterfv - glTexParameteri - glTexParameteriv - glTexImage1D - glTexImage2D - glTexEnvf - glTexEnvfv - glTexEnvi - glTexEnviv - glTexGend - glTexGendv - glTexGenf - glTexGenfv - glTexGeni - glTexGeniv - glFeedbackBuffer - glSelectBuffer - glRenderMode - glInitNames - glLoadName - glPassThrough - glPopName - glPushName - glDrawBuffer - glClear - glClearAccum - glClearIndex - glClearColor - glClearStencil - glClearDepth - glStencilMask - glColorMask - glDepthMask - glIndexMask - glAccum - glDisable - glEnable - glFinish - glFlush - glPopAttrib - glPushAttrib - glMap1d - glMap1f - glMap2d - glMap2f - glMapGrid1d - glMapGrid1f - glMapGrid2d - glMapGrid2f - glEvalCoord1d - glEvalCoord1dv - glEvalCoord1f - glEvalCoord1fv - glEvalCoord2d - glEvalCoord2dv - glEvalCoord2f - glEvalCoord2fv - glEvalMesh1 - glEvalPoint1 - glEvalMesh2 - glEvalPoint2 - glAlphaFunc - glBlendFunc - glLogicOp - glStencilFunc - glStencilOp - glDepthFunc - glPixelZoom - glPixelTransferf - glPixelTransferi - glPixelStoref - glPixelStorei - glPixelMapfv - glPixelMapuiv - glPixelMapusv - glReadBuffer - glCopyPixels - glReadPixels - glDrawPixels - glGetBooleanv - glGetClipPlane - glGetDoublev - glGetError - glGetFloatv - glGetIntegerv - glGetLightfv - glGetLightiv - glGetMapdv - glGetMapfv - glGetMapiv - glGetMaterialfv - glGetMaterialiv - glGetPixelMapfv - glGetPixelMapuiv - glGetPixelMapusv - glGetPolygonStipple - glGetString - glGetTexEnvfv - glGetTexEnviv - glGetTexGendv - glGetTexGenfv - glGetTexGeniv - glGetTexImage - glGetTexParameterfv - glGetTexParameteriv - glGetTexLevelParameterfv - glGetTexLevelParameteriv - glIsEnabled - glIsList - glDepthRange - glFrustum - glLoadIdentity - glLoadMatrixf - glLoadMatrixd - glMatrixMode - glMultMatrixf - glMultMatrixd - glOrtho - glPopMatrix - glPushMatrix - glRotated - glRotatef - glScaled - glScalef - glTranslated - glTranslatef - glViewport - glArrayElement - glColorPointer - glDisableClientState - glDrawArrays - glDrawElements - glEdgeFlagPointer - glEnableClientState - glGetPointerv - glIndexPointer - glInterleavedArrays - glNormalPointer - glTexCoordPointer - glVertexPointer - glPolygonOffset - glCopyTexImage1D - glCopyTexImage2D - glCopyTexSubImage1D - glCopyTexSubImage2D - glTexSubImage1D - glTexSubImage2D - glAreTexturesResident - glBindTexture - glDeleteTextures - glGenTextures - glIsTexture - glPrioritizeTextures - glIndexub - glIndexubv - glPopClientAttrib - glPushClientAttrib - glBlendColor - glBlendEquation - glDrawRangeElements - glColorTable - glColorTableParameterfv - glColorTableParameteriv - glCopyColorTable - glGetColorTable - glGetColorTableParameterfv - glGetColorTableParameteriv - glColorSubTable - glCopyColorSubTable - glConvolutionFilter1D - glConvolutionFilter2D - glConvolutionParameterf - glConvolutionParameterfv - glConvolutionParameteri - glConvolutionParameteriv - glCopyConvolutionFilter1D - glCopyConvolutionFilter2D - glGetConvolutionFilter - glGetConvolutionParameterfv - glGetConvolutionParameteriv - glGetSeparableFilter - glSeparableFilter2D - glGetHistogram - glGetHistogramParameterfv - glGetHistogramParameteriv - glGetMinmax - glGetMinmaxParameterfv - glGetMinmaxParameteriv - glHistogram - glMinmax - glResetHistogram - glResetMinmax - glTexImage3D - glTexSubImage3D - glCopyTexSubImage3D - glActiveTextureARB - glClientActiveTextureARB - glMultiTexCoord1dARB - glMultiTexCoord1dvARB - glMultiTexCoord1fARB - glMultiTexCoord1fvARB - glMultiTexCoord1iARB - glMultiTexCoord1ivARB - glMultiTexCoord1sARB - glMultiTexCoord1svARB - glMultiTexCoord2dARB - glMultiTexCoord2dvARB - glMultiTexCoord2fARB - glMultiTexCoord2fvARB - glMultiTexCoord2iARB - glMultiTexCoord2ivARB - glMultiTexCoord2sARB - glMultiTexCoord2svARB - glMultiTexCoord3dARB - glMultiTexCoord3dvARB - glMultiTexCoord3fARB - glMultiTexCoord3fvARB - glMultiTexCoord3iARB - glMultiTexCoord3ivARB - glMultiTexCoord3sARB - glMultiTexCoord3svARB - glMultiTexCoord4dARB - glMultiTexCoord4dvARB - glMultiTexCoord4fARB - glMultiTexCoord4fvARB - glMultiTexCoord4iARB - glMultiTexCoord4ivARB - glMultiTexCoord4sARB - glMultiTexCoord4svARB - glLoadTransposeMatrixfARB - glLoadTransposeMatrixdARB - glMultTransposeMatrixfARB - glMultTransposeMatrixdARB - glSampleCoverageARB - glCompressedTexImage3DARB - glCompressedTexImage2DARB - glCompressedTexImage1DARB - glCompressedTexSubImage3DARB - glCompressedTexSubImage2DARB - glCompressedTexSubImage1DARB - glGetCompressedTexImageARB - glActiveTexture - glClientActiveTexture - glMultiTexCoord1d - glMultiTexCoord1dv - glMultiTexCoord1f - glMultiTexCoord1fv - glMultiTexCoord1i - glMultiTexCoord1iv - glMultiTexCoord1s - glMultiTexCoord1sv - glMultiTexCoord2d - glMultiTexCoord2dv - glMultiTexCoord2f - glMultiTexCoord2fv - glMultiTexCoord2i - glMultiTexCoord2iv - glMultiTexCoord2s - glMultiTexCoord2sv - glMultiTexCoord3d - glMultiTexCoord3dv - glMultiTexCoord3f - glMultiTexCoord3fv - glMultiTexCoord3i - glMultiTexCoord3iv - glMultiTexCoord3s - glMultiTexCoord3sv - glMultiTexCoord4d - glMultiTexCoord4dv - glMultiTexCoord4f - glMultiTexCoord4fv - glMultiTexCoord4i - glMultiTexCoord4iv - glMultiTexCoord4s - glMultiTexCoord4sv - glLoadTransposeMatrixf - glLoadTransposeMatrixd - glMultTransposeMatrixf - glMultTransposeMatrixd - glSampleCoverage - glCompressedTexImage3D - glCompressedTexImage2D - glCompressedTexImage1D - glCompressedTexSubImage3D - glCompressedTexSubImage2D - glCompressedTexSubImage1D - glGetCompressedTexImage - glBlendColorEXT - glPolygonOffsetEXT - glTexImage3DEXT - glTexSubImage3DEXT - glTexSubImage1DEXT - glTexSubImage2DEXT - glCopyTexImage1DEXT - glCopyTexImage2DEXT - glCopyTexSubImage1DEXT - glCopyTexSubImage2DEXT - glCopyTexSubImage3DEXT - glAreTexturesResidentEXT - glBindTextureEXT - glDeleteTexturesEXT - glGenTexturesEXT - glIsTextureEXT - glPrioritizeTexturesEXT - glArrayElementEXT - glColorPointerEXT - glDrawArraysEXT - glEdgeFlagPointerEXT - glGetPointervEXT - glIndexPointerEXT - glNormalPointerEXT - glTexCoordPointerEXT - glVertexPointerEXT - glBlendEquationEXT - glPointParameterfEXT - glPointParameterfvEXT - glPointParameterfARB - glPointParameterfvARB - glColorTableEXT - glGetColorTableEXT - glGetColorTableParameterivEXT - glGetColorTableParameterfvEXT - glLockArraysEXT - glUnlockArraysEXT - glDrawRangeElementsEXT - glSecondaryColor3bEXT - glSecondaryColor3bvEXT - glSecondaryColor3dEXT - glSecondaryColor3dvEXT - glSecondaryColor3fEXT - glSecondaryColor3fvEXT - glSecondaryColor3iEXT - glSecondaryColor3ivEXT - glSecondaryColor3sEXT - glSecondaryColor3svEXT - glSecondaryColor3ubEXT - glSecondaryColor3ubvEXT - glSecondaryColor3uiEXT - glSecondaryColor3uivEXT - glSecondaryColor3usEXT - glSecondaryColor3usvEXT - glSecondaryColorPointerEXT - glMultiDrawArraysEXT - glMultiDrawElementsEXT - glFogCoordfEXT - glFogCoordfvEXT - glFogCoorddEXT - glFogCoorddvEXT - glFogCoordPointerEXT - glBlendFuncSeparateEXT - glFlushVertexArrayRangeNV - glVertexArrayRangeNV - glCombinerParameterfvNV - glCombinerParameterfNV - glCombinerParameterivNV - glCombinerParameteriNV - glCombinerInputNV - glCombinerOutputNV - glFinalCombinerInputNV - glGetCombinerInputParameterfvNV - glGetCombinerInputParameterivNV - glGetCombinerOutputParameterfvNV - glGetCombinerOutputParameterivNV - glGetFinalCombinerInputParameterfvNV - glGetFinalCombinerInputParameterivNV - glResizeBuffersMESA - glWindowPos2dMESA - glWindowPos2dvMESA - glWindowPos2fMESA - glWindowPos2fvMESA - glWindowPos2iMESA - glWindowPos2ivMESA - glWindowPos2sMESA - glWindowPos2svMESA - glWindowPos3dMESA - glWindowPos3dvMESA - glWindowPos3fMESA - glWindowPos3fvMESA - glWindowPos3iMESA - glWindowPos3ivMESA - glWindowPos3sMESA - glWindowPos3svMESA - glWindowPos4dMESA - glWindowPos4dvMESA - glWindowPos4fMESA - glWindowPos4fvMESA - glWindowPos4iMESA - glWindowPos4ivMESA - glWindowPos4sMESA - glWindowPos4svMESA - glWindowPos2dARB - glWindowPos2fARB - glWindowPos2iARB - glWindowPos2sARB - glWindowPos2dvARB - glWindowPos2fvARB - glWindowPos2ivARB - glWindowPos2svARB - glWindowPos3dARB - glWindowPos3fARB - glWindowPos3iARB - glWindowPos3sARB - glWindowPos3dvARB - glWindowPos3fvARB - glWindowPos3ivARB - glWindowPos3svARB - glAreProgramsResidentNV - glBindProgramNV - glDeleteProgramsNV - glExecuteProgramNV - glGenProgramsNV - glGetProgramParameterdvNV - glGetProgramParameterfvNV - glGetProgramivNV - glGetProgramStringNV - glGetTrackMatrixivNV - glGetVertexAttribdvNV - glGetVertexAttribfvNV - glGetVertexAttribivNV - glGetVertexAttribPointervNV - glIsProgramNV - glLoadProgramNV - glProgramParameter4dNV - glProgramParameter4dvNV - glProgramParameter4fNV - glProgramParameter4fvNV - glProgramParameters4dvNV - glProgramParameters4fvNV - glRequestResidentProgramsNV - glTrackMatrixNV - glVertexAttribPointerNV - glVertexAttrib1dNV - glVertexAttrib1dvNV - glVertexAttrib1fNV - glVertexAttrib1fvNV - glVertexAttrib1sNV - glVertexAttrib1svNV - glVertexAttrib2dNV - glVertexAttrib2dvNV - glVertexAttrib2fNV - glVertexAttrib2fvNV - glVertexAttrib2sNV - glVertexAttrib2svNV - glVertexAttrib3dNV - glVertexAttrib3dvNV - glVertexAttrib3fNV - glVertexAttrib3fvNV - glVertexAttrib3sNV - glVertexAttrib3svNV - glVertexAttrib4dNV - glVertexAttrib4dvNV - glVertexAttrib4fNV - glVertexAttrib4fvNV - glVertexAttrib4sNV - glVertexAttrib4svNV - glVertexAttrib4ubNV - glVertexAttrib4ubvNV - glVertexAttribs1dvNV - glVertexAttribs1fvNV - glVertexAttribs1svNV - glVertexAttribs2dvNV - glVertexAttribs2fvNV - glVertexAttribs2svNV - glVertexAttribs3dvNV - glVertexAttribs3fvNV - glVertexAttribs3svNV - glVertexAttribs4dvNV - glVertexAttribs4fvNV - glVertexAttribs4svNV - glVertexAttribs4ubvNV - glPointParameteriNV - glPointParameterivNV - glFogCoordf - glFogCoordfv - glFogCoordd - glFogCoorddv - glFogCoordPointer - glMultiDrawArrays - glMultiDrawElements - glPointParameterf - glPointParameterfv - glPointParameteri - glPointParameteriv - glSecondaryColor3b - glSecondaryColor3bv - glSecondaryColor3d - glSecondaryColor3dv - glSecondaryColor3f - glSecondaryColor3fv - glSecondaryColor3i - glSecondaryColor3iv - glSecondaryColor3s - glSecondaryColor3sv - glSecondaryColor3ub - glSecondaryColor3ubv - glSecondaryColor3ui - glSecondaryColor3uiv - glSecondaryColor3us - glSecondaryColor3usv - glSecondaryColorPointer - glWindowPos2d - glWindowPos2dv - glWindowPos2f - glWindowPos2fv - glWindowPos2i - glWindowPos2iv - glWindowPos2s - glWindowPos2sv - glWindowPos3d - glWindowPos3dv - glWindowPos3f - glWindowPos3fv - glWindowPos3i - glWindowPos3iv - glWindowPos3s - glWindowPos3sv - glVertexAttrib1sARB - glVertexAttrib1fARB - glVertexAttrib1dARB - glVertexAttrib2sARB - glVertexAttrib2fARB - glVertexAttrib2dARB - glVertexAttrib3sARB - glVertexAttrib3fARB - glVertexAttrib3dARB - glVertexAttrib4sARB - glVertexAttrib4fARB - glVertexAttrib4dARB - glVertexAttrib4NubARB - glVertexAttrib1svARB - glVertexAttrib1fvARB - glVertexAttrib1dvARB - glVertexAttrib2svARB - glVertexAttrib2fvARB - glVertexAttrib2dvARB - glVertexAttrib3svARB - glVertexAttrib3fvARB - glVertexAttrib3dvARB - glVertexAttrib4bvARB - glVertexAttrib4svARB - glVertexAttrib4ivARB - glVertexAttrib4ubvARB - glVertexAttrib4usvARB - glVertexAttrib4uivARB - glVertexAttrib4fvARB - glVertexAttrib4dvARB - glVertexAttrib4NbvARB - glVertexAttrib4NsvARB - glVertexAttrib4NivARB - glVertexAttrib4NubvARB - glVertexAttrib4NusvARB - glVertexAttrib4NuivARB - glVertexAttribPointerARB - glEnableVertexAttribArrayARB - glDisableVertexAttribArrayARB - glProgramStringARB - glBindProgramARB - glDeleteProgramsARB - glGenProgramsARB - glIsProgramARB - glProgramEnvParameter4dARB - glProgramEnvParameter4dvARB - glProgramEnvParameter4fARB - glProgramEnvParameter4fvARB - glProgramLocalParameter4dARB - glProgramLocalParameter4dvARB - glProgramLocalParameter4fARB - glProgramLocalParameter4fvARB - glGetProgramEnvParameterdvARB - glGetProgramEnvParameterfvARB - glGetProgramLocalParameterdvARB - glGetProgramLocalParameterfvARB - glGetProgramivARB - glGetProgramStringARB - glGetVertexAttribdvARB - glGetVertexAttribfvARB - glGetVertexAttribivARB - glGetVertexAttribPointervARB - glProgramNamedParameter4fNV - glProgramNamedParameter4dNV - glProgramNamedParameter4fvNV - glProgramNamedParameter4dvNV - glGetProgramNamedParameterfvNV - glGetProgramNamedParameterdvNV - glBindBufferARB - glBufferDataARB - glBufferSubDataARB - glDeleteBuffersARB - glGenBuffersARB - glGetBufferParameterivARB - glGetBufferPointervARB - glGetBufferSubDataARB - glIsBufferARB - glMapBufferARB - glUnmapBufferARB - glGenQueriesARB - glDeleteQueriesARB - glIsQueryARB - glBeginQueryARB - glEndQueryARB - glGetQueryivARB - glGetQueryObjectivARB - glGetQueryObjectuivARB - glBindBuffer - glBufferData - glBufferSubData - glDeleteBuffers - glGenBuffers - glGetBufferParameteriv - glGetBufferPointerv - glGetBufferSubData - glIsBuffer - glMapBuffer - glUnmapBuffer - glGenQueries - glDeleteQueries - glIsQuery - glBeginQuery - glEndQuery - glGetQueryiv - glGetQueryObjectiv - glGetQueryObjectuiv -; -; WGL API - wglChoosePixelFormat - wglCopyContext - wglCreateContext - wglCreateLayerContext - wglDeleteContext - wglDescribeLayerPlane - wglDescribePixelFormat - wglGetCurrentContext - wglGetCurrentDC - wglGetLayerPaletteEntries - wglGetPixelFormat - wglGetProcAddress - wglMakeCurrent - wglRealizeLayerPalette - wglSetLayerPaletteEntries - wglSetPixelFormat - wglShareLists - wglSwapBuffers - wglSwapLayerBuffers - wglUseFontBitmapsA - wglUseFontBitmapsW - wglUseFontOutlinesA - wglUseFontOutlinesW - wglGetExtensionsStringARB +; DO NOT EDIT - This file generated automatically by mesadef.py script +;DESCRIPTION 'Mesa (OpenGL work-alike) for Win32' +VERSION 6.5 +; +; Module definition file for Mesa (OPENGL32.DLL) +; +; Note: The OpenGL functions use the STDCALL +; function calling convention. Microsoft's +; OPENGL32 uses this convention and so must the +; Mesa OPENGL32 so that the Mesa DLL can be used +; as a drop-in replacement. +; +; The linker exports STDCALL entry points with +; 'decorated' names; e.g., _glBegin@0, where the +; trailing number is the number of bytes of +; parameter data pushed onto the stack. The +; callee is responsible for popping this data +; off the stack, usually via a RETF n instruction. +; +; However, the Microsoft OPENGL32.DLL does not export +; the decorated names, even though the calling convention +; is STDCALL. So, this module definition file is +; needed to force the Mesa OPENGL32.DLL to export the +; symbols in the same manner as the Microsoft DLL. +; Were it not for this problem, this file would not +; be needed (for the gl* functions) since the entry +; points are compiled with dllexport declspec. +; +EXPORTS + glNewList + glEndList + glCallList + glCallLists + glDeleteLists + glGenLists + glListBase + glBegin + glBitmap + glColor3b + glColor3bv + glColor3d + glColor3dv + glColor3f + glColor3fv + glColor3i + glColor3iv + glColor3s + glColor3sv + glColor3ub + glColor3ubv + glColor3ui + glColor3uiv + glColor3us + glColor3usv + glColor4b + glColor4bv + glColor4d + glColor4dv + glColor4f + glColor4fv + glColor4i + glColor4iv + glColor4s + glColor4sv + glColor4ub + glColor4ubv + glColor4ui + glColor4uiv + glColor4us + glColor4usv + glEdgeFlag + glEdgeFlagv + glEnd + glIndexd + glIndexdv + glIndexf + glIndexfv + glIndexi + glIndexiv + glIndexs + glIndexsv + glNormal3b + glNormal3bv + glNormal3d + glNormal3dv + glNormal3f + glNormal3fv + glNormal3i + glNormal3iv + glNormal3s + glNormal3sv + glRasterPos2d + glRasterPos2dv + glRasterPos2f + glRasterPos2fv + glRasterPos2i + glRasterPos2iv + glRasterPos2s + glRasterPos2sv + glRasterPos3d + glRasterPos3dv + glRasterPos3f + glRasterPos3fv + glRasterPos3i + glRasterPos3iv + glRasterPos3s + glRasterPos3sv + glRasterPos4d + glRasterPos4dv + glRasterPos4f + glRasterPos4fv + glRasterPos4i + glRasterPos4iv + glRasterPos4s + glRasterPos4sv + glRectd + glRectdv + glRectf + glRectfv + glRecti + glRectiv + glRects + glRectsv + glTexCoord1d + glTexCoord1dv + glTexCoord1f + glTexCoord1fv + glTexCoord1i + glTexCoord1iv + glTexCoord1s + glTexCoord1sv + glTexCoord2d + glTexCoord2dv + glTexCoord2f + glTexCoord2fv + glTexCoord2i + glTexCoord2iv + glTexCoord2s + glTexCoord2sv + glTexCoord3d + glTexCoord3dv + glTexCoord3f + glTexCoord3fv + glTexCoord3i + glTexCoord3iv + glTexCoord3s + glTexCoord3sv + glTexCoord4d + glTexCoord4dv + glTexCoord4f + glTexCoord4fv + glTexCoord4i + glTexCoord4iv + glTexCoord4s + glTexCoord4sv + glVertex2d + glVertex2dv + glVertex2f + glVertex2fv + glVertex2i + glVertex2iv + glVertex2s + glVertex2sv + glVertex3d + glVertex3dv + glVertex3f + glVertex3fv + glVertex3i + glVertex3iv + glVertex3s + glVertex3sv + glVertex4d + glVertex4dv + glVertex4f + glVertex4fv + glVertex4i + glVertex4iv + glVertex4s + glVertex4sv + glClipPlane + glColorMaterial + glCullFace + glFogf + glFogfv + glFogi + glFogiv + glFrontFace + glHint + glLightf + glLightfv + glLighti + glLightiv + glLightModelf + glLightModelfv + glLightModeli + glLightModeliv + glLineStipple + glLineWidth + glMaterialf + glMaterialfv + glMateriali + glMaterialiv + glPointSize + glPolygonMode + glPolygonStipple + glScissor + glShadeModel + glTexParameterf + glTexParameterfv + glTexParameteri + glTexParameteriv + glTexImage1D + glTexImage2D + glTexEnvf + glTexEnvfv + glTexEnvi + glTexEnviv + glTexGend + glTexGendv + glTexGenf + glTexGenfv + glTexGeni + glTexGeniv + glFeedbackBuffer + glSelectBuffer + glRenderMode + glInitNames + glLoadName + glPassThrough + glPopName + glPushName + glDrawBuffer + glClear + glClearAccum + glClearIndex + glClearColor + glClearStencil + glClearDepth + glStencilMask + glColorMask + glDepthMask + glIndexMask + glAccum + glDisable + glEnable + glFinish + glFlush + glPopAttrib + glPushAttrib + glMap1d + glMap1f + glMap2d + glMap2f + glMapGrid1d + glMapGrid1f + glMapGrid2d + glMapGrid2f + glEvalCoord1d + glEvalCoord1dv + glEvalCoord1f + glEvalCoord1fv + glEvalCoord2d + glEvalCoord2dv + glEvalCoord2f + glEvalCoord2fv + glEvalMesh1 + glEvalPoint1 + glEvalMesh2 + glEvalPoint2 + glAlphaFunc + glBlendFunc + glLogicOp + glStencilFunc + glStencilOp + glDepthFunc + glPixelZoom + glPixelTransferf + glPixelTransferi + glPixelStoref + glPixelStorei + glPixelMapfv + glPixelMapuiv + glPixelMapusv + glReadBuffer + glCopyPixels + glReadPixels + glDrawPixels + glGetBooleanv + glGetClipPlane + glGetDoublev + glGetError + glGetFloatv + glGetIntegerv + glGetLightfv + glGetLightiv + glGetMapdv + glGetMapfv + glGetMapiv + glGetMaterialfv + glGetMaterialiv + glGetPixelMapfv + glGetPixelMapuiv + glGetPixelMapusv + glGetPolygonStipple + glGetString + glGetTexEnvfv + glGetTexEnviv + glGetTexGendv + glGetTexGenfv + glGetTexGeniv + glGetTexImage + glGetTexParameterfv + glGetTexParameteriv + glGetTexLevelParameterfv + glGetTexLevelParameteriv + glIsEnabled + glIsList + glDepthRange + glFrustum + glLoadIdentity + glLoadMatrixf + glLoadMatrixd + glMatrixMode + glMultMatrixf + glMultMatrixd + glOrtho + glPopMatrix + glPushMatrix + glRotated + glRotatef + glScaled + glScalef + glTranslated + glTranslatef + glViewport + glArrayElement + glColorPointer + glDisableClientState + glDrawArrays + glDrawElements + glEdgeFlagPointer + glEnableClientState + glGetPointerv + glIndexPointer + glInterleavedArrays + glNormalPointer + glTexCoordPointer + glVertexPointer + glPolygonOffset + glCopyTexImage1D + glCopyTexImage2D + glCopyTexSubImage1D + glCopyTexSubImage2D + glTexSubImage1D + glTexSubImage2D + glAreTexturesResident + glBindTexture + glDeleteTextures + glGenTextures + glIsTexture + glPrioritizeTextures + glIndexub + glIndexubv + glPopClientAttrib + glPushClientAttrib + glBlendColor + glBlendEquation + glDrawRangeElements + glColorTable + glColorTableParameterfv + glColorTableParameteriv + glCopyColorTable + glGetColorTable + glGetColorTableParameterfv + glGetColorTableParameteriv + glColorSubTable + glCopyColorSubTable + glConvolutionFilter1D + glConvolutionFilter2D + glConvolutionParameterf + glConvolutionParameterfv + glConvolutionParameteri + glConvolutionParameteriv + glCopyConvolutionFilter1D + glCopyConvolutionFilter2D + glGetConvolutionFilter + glGetConvolutionParameterfv + glGetConvolutionParameteriv + glGetSeparableFilter + glSeparableFilter2D + glGetHistogram + glGetHistogramParameterfv + glGetHistogramParameteriv + glGetMinmax + glGetMinmaxParameterfv + glGetMinmaxParameteriv + glHistogram + glMinmax + glResetHistogram + glResetMinmax + glTexImage3D + glTexSubImage3D + glCopyTexSubImage3D + glActiveTextureARB + glClientActiveTextureARB + glMultiTexCoord1dARB + glMultiTexCoord1dvARB + glMultiTexCoord1fARB + glMultiTexCoord1fvARB + glMultiTexCoord1iARB + glMultiTexCoord1ivARB + glMultiTexCoord1sARB + glMultiTexCoord1svARB + glMultiTexCoord2dARB + glMultiTexCoord2dvARB + glMultiTexCoord2fARB + glMultiTexCoord2fvARB + glMultiTexCoord2iARB + glMultiTexCoord2ivARB + glMultiTexCoord2sARB + glMultiTexCoord2svARB + glMultiTexCoord3dARB + glMultiTexCoord3dvARB + glMultiTexCoord3fARB + glMultiTexCoord3fvARB + glMultiTexCoord3iARB + glMultiTexCoord3ivARB + glMultiTexCoord3sARB + glMultiTexCoord3svARB + glMultiTexCoord4dARB + glMultiTexCoord4dvARB + glMultiTexCoord4fARB + glMultiTexCoord4fvARB + glMultiTexCoord4iARB + glMultiTexCoord4ivARB + glMultiTexCoord4sARB + glMultiTexCoord4svARB + glLoadTransposeMatrixfARB + glLoadTransposeMatrixdARB + glMultTransposeMatrixfARB + glMultTransposeMatrixdARB + glSampleCoverageARB + glCompressedTexImage3DARB + glCompressedTexImage2DARB + glCompressedTexImage1DARB + glCompressedTexSubImage3DARB + glCompressedTexSubImage2DARB + glCompressedTexSubImage1DARB + glGetCompressedTexImageARB + glActiveTexture + glClientActiveTexture + glMultiTexCoord1d + glMultiTexCoord1dv + glMultiTexCoord1f + glMultiTexCoord1fv + glMultiTexCoord1i + glMultiTexCoord1iv + glMultiTexCoord1s + glMultiTexCoord1sv + glMultiTexCoord2d + glMultiTexCoord2dv + glMultiTexCoord2f + glMultiTexCoord2fv + glMultiTexCoord2i + glMultiTexCoord2iv + glMultiTexCoord2s + glMultiTexCoord2sv + glMultiTexCoord3d + glMultiTexCoord3dv + glMultiTexCoord3f + glMultiTexCoord3fv + glMultiTexCoord3i + glMultiTexCoord3iv + glMultiTexCoord3s + glMultiTexCoord3sv + glMultiTexCoord4d + glMultiTexCoord4dv + glMultiTexCoord4f + glMultiTexCoord4fv + glMultiTexCoord4i + glMultiTexCoord4iv + glMultiTexCoord4s + glMultiTexCoord4sv + glLoadTransposeMatrixf + glLoadTransposeMatrixd + glMultTransposeMatrixf + glMultTransposeMatrixd + glSampleCoverage + glCompressedTexImage3D + glCompressedTexImage2D + glCompressedTexImage1D + glCompressedTexSubImage3D + glCompressedTexSubImage2D + glCompressedTexSubImage1D + glGetCompressedTexImage + glBlendColorEXT + glPolygonOffsetEXT + glTexImage3DEXT + glTexSubImage3DEXT + glTexSubImage1DEXT + glTexSubImage2DEXT + glCopyTexImage1DEXT + glCopyTexImage2DEXT + glCopyTexSubImage1DEXT + glCopyTexSubImage2DEXT + glCopyTexSubImage3DEXT + glAreTexturesResidentEXT + glBindTextureEXT + glDeleteTexturesEXT + glGenTexturesEXT + glIsTextureEXT + glPrioritizeTexturesEXT + glArrayElementEXT + glColorPointerEXT + glDrawArraysEXT + glEdgeFlagPointerEXT + glGetPointervEXT + glIndexPointerEXT + glNormalPointerEXT + glTexCoordPointerEXT + glVertexPointerEXT + glBlendEquationEXT + glPointParameterfEXT + glPointParameterfvEXT + glPointParameterfARB + glPointParameterfvARB + glColorTableEXT + glGetColorTableEXT + glGetColorTableParameterivEXT + glGetColorTableParameterfvEXT + glLockArraysEXT + glUnlockArraysEXT + glDrawRangeElementsEXT + glSecondaryColor3bEXT + glSecondaryColor3bvEXT + glSecondaryColor3dEXT + glSecondaryColor3dvEXT + glSecondaryColor3fEXT + glSecondaryColor3fvEXT + glSecondaryColor3iEXT + glSecondaryColor3ivEXT + glSecondaryColor3sEXT + glSecondaryColor3svEXT + glSecondaryColor3ubEXT + glSecondaryColor3ubvEXT + glSecondaryColor3uiEXT + glSecondaryColor3uivEXT + glSecondaryColor3usEXT + glSecondaryColor3usvEXT + glSecondaryColorPointerEXT + glMultiDrawArraysEXT + glMultiDrawElementsEXT + glFogCoordfEXT + glFogCoordfvEXT + glFogCoorddEXT + glFogCoorddvEXT + glFogCoordPointerEXT + glBlendFuncSeparateEXT + glFlushVertexArrayRangeNV + glVertexArrayRangeNV + glCombinerParameterfvNV + glCombinerParameterfNV + glCombinerParameterivNV + glCombinerParameteriNV + glCombinerInputNV + glCombinerOutputNV + glFinalCombinerInputNV + glGetCombinerInputParameterfvNV + glGetCombinerInputParameterivNV + glGetCombinerOutputParameterfvNV + glGetCombinerOutputParameterivNV + glGetFinalCombinerInputParameterfvNV + glGetFinalCombinerInputParameterivNV + glResizeBuffersMESA + glWindowPos2dMESA + glWindowPos2dvMESA + glWindowPos2fMESA + glWindowPos2fvMESA + glWindowPos2iMESA + glWindowPos2ivMESA + glWindowPos2sMESA + glWindowPos2svMESA + glWindowPos3dMESA + glWindowPos3dvMESA + glWindowPos3fMESA + glWindowPos3fvMESA + glWindowPos3iMESA + glWindowPos3ivMESA + glWindowPos3sMESA + glWindowPos3svMESA + glWindowPos4dMESA + glWindowPos4dvMESA + glWindowPos4fMESA + glWindowPos4fvMESA + glWindowPos4iMESA + glWindowPos4ivMESA + glWindowPos4sMESA + glWindowPos4svMESA + glWindowPos2dARB + glWindowPos2fARB + glWindowPos2iARB + glWindowPos2sARB + glWindowPos2dvARB + glWindowPos2fvARB + glWindowPos2ivARB + glWindowPos2svARB + glWindowPos3dARB + glWindowPos3fARB + glWindowPos3iARB + glWindowPos3sARB + glWindowPos3dvARB + glWindowPos3fvARB + glWindowPos3ivARB + glWindowPos3svARB + glAreProgramsResidentNV + glBindProgramNV + glDeleteProgramsNV + glExecuteProgramNV + glGenProgramsNV + glGetProgramParameterdvNV + glGetProgramParameterfvNV + glGetProgramivNV + glGetProgramStringNV + glGetTrackMatrixivNV + glGetVertexAttribdvNV + glGetVertexAttribfvNV + glGetVertexAttribivNV + glGetVertexAttribPointervNV + glIsProgramNV + glLoadProgramNV + glProgramParameter4dNV + glProgramParameter4dvNV + glProgramParameter4fNV + glProgramParameter4fvNV + glProgramParameters4dvNV + glProgramParameters4fvNV + glRequestResidentProgramsNV + glTrackMatrixNV + glVertexAttribPointerNV + glVertexAttrib1dNV + glVertexAttrib1dvNV + glVertexAttrib1fNV + glVertexAttrib1fvNV + glVertexAttrib1sNV + glVertexAttrib1svNV + glVertexAttrib2dNV + glVertexAttrib2dvNV + glVertexAttrib2fNV + glVertexAttrib2fvNV + glVertexAttrib2sNV + glVertexAttrib2svNV + glVertexAttrib3dNV + glVertexAttrib3dvNV + glVertexAttrib3fNV + glVertexAttrib3fvNV + glVertexAttrib3sNV + glVertexAttrib3svNV + glVertexAttrib4dNV + glVertexAttrib4dvNV + glVertexAttrib4fNV + glVertexAttrib4fvNV + glVertexAttrib4sNV + glVertexAttrib4svNV + glVertexAttrib4ubNV + glVertexAttrib4ubvNV + glVertexAttribs1dvNV + glVertexAttribs1fvNV + glVertexAttribs1svNV + glVertexAttribs2dvNV + glVertexAttribs2fvNV + glVertexAttribs2svNV + glVertexAttribs3dvNV + glVertexAttribs3fvNV + glVertexAttribs3svNV + glVertexAttribs4dvNV + glVertexAttribs4fvNV + glVertexAttribs4svNV + glVertexAttribs4ubvNV + glPointParameteriNV + glPointParameterivNV + glFogCoordf + glFogCoordfv + glFogCoordd + glFogCoorddv + glFogCoordPointer + glMultiDrawArrays + glMultiDrawElements + glPointParameterf + glPointParameterfv + glPointParameteri + glPointParameteriv + glSecondaryColor3b + glSecondaryColor3bv + glSecondaryColor3d + glSecondaryColor3dv + glSecondaryColor3f + glSecondaryColor3fv + glSecondaryColor3i + glSecondaryColor3iv + glSecondaryColor3s + glSecondaryColor3sv + glSecondaryColor3ub + glSecondaryColor3ubv + glSecondaryColor3ui + glSecondaryColor3uiv + glSecondaryColor3us + glSecondaryColor3usv + glSecondaryColorPointer + glWindowPos2d + glWindowPos2dv + glWindowPos2f + glWindowPos2fv + glWindowPos2i + glWindowPos2iv + glWindowPos2s + glWindowPos2sv + glWindowPos3d + glWindowPos3dv + glWindowPos3f + glWindowPos3fv + glWindowPos3i + glWindowPos3iv + glWindowPos3s + glWindowPos3sv + glVertexAttrib1sARB + glVertexAttrib1fARB + glVertexAttrib1dARB + glVertexAttrib2sARB + glVertexAttrib2fARB + glVertexAttrib2dARB + glVertexAttrib3sARB + glVertexAttrib3fARB + glVertexAttrib3dARB + glVertexAttrib4sARB + glVertexAttrib4fARB + glVertexAttrib4dARB + glVertexAttrib4NubARB + glVertexAttrib1svARB + glVertexAttrib1fvARB + glVertexAttrib1dvARB + glVertexAttrib2svARB + glVertexAttrib2fvARB + glVertexAttrib2dvARB + glVertexAttrib3svARB + glVertexAttrib3fvARB + glVertexAttrib3dvARB + glVertexAttrib4bvARB + glVertexAttrib4svARB + glVertexAttrib4ivARB + glVertexAttrib4ubvARB + glVertexAttrib4usvARB + glVertexAttrib4uivARB + glVertexAttrib4fvARB + glVertexAttrib4dvARB + glVertexAttrib4NbvARB + glVertexAttrib4NsvARB + glVertexAttrib4NivARB + glVertexAttrib4NubvARB + glVertexAttrib4NusvARB + glVertexAttrib4NuivARB + glVertexAttribPointerARB + glEnableVertexAttribArrayARB + glDisableVertexAttribArrayARB + glProgramStringARB + glBindProgramARB + glDeleteProgramsARB + glGenProgramsARB + glIsProgramARB + glProgramEnvParameter4dARB + glProgramEnvParameter4dvARB + glProgramEnvParameter4fARB + glProgramEnvParameter4fvARB + glProgramLocalParameter4dARB + glProgramLocalParameter4dvARB + glProgramLocalParameter4fARB + glProgramLocalParameter4fvARB + glGetProgramEnvParameterdvARB + glGetProgramEnvParameterfvARB + glGetProgramLocalParameterdvARB + glGetProgramLocalParameterfvARB + glGetProgramivARB + glGetProgramStringARB + glGetVertexAttribdvARB + glGetVertexAttribfvARB + glGetVertexAttribivARB + glGetVertexAttribPointervARB + glProgramNamedParameter4fNV + glProgramNamedParameter4dNV + glProgramNamedParameter4fvNV + glProgramNamedParameter4dvNV + glGetProgramNamedParameterfvNV + glGetProgramNamedParameterdvNV + glBindBufferARB + glBufferDataARB + glBufferSubDataARB + glDeleteBuffersARB + glGenBuffersARB + glGetBufferParameterivARB + glGetBufferPointervARB + glGetBufferSubDataARB + glIsBufferARB + glMapBufferARB + glUnmapBufferARB + glGenQueriesARB + glDeleteQueriesARB + glIsQueryARB + glBeginQueryARB + glEndQueryARB + glGetQueryivARB + glGetQueryObjectivARB + glGetQueryObjectuivARB + glBindBuffer + glBufferData + glBufferSubData + glDeleteBuffers + glGenBuffers + glGetBufferParameteriv + glGetBufferPointerv + glGetBufferSubData + glIsBuffer + glMapBuffer + glUnmapBuffer + glGenQueries + glDeleteQueries + glIsQuery + glBeginQuery + glEndQuery + glGetQueryiv + glGetQueryObjectiv + glGetQueryObjectuiv +; +; WGL API + wglChoosePixelFormat + wglCopyContext + wglCreateContext + wglCreateLayerContext + wglDeleteContext + wglDescribeLayerPlane + wglDescribePixelFormat + wglGetCurrentContext + wglGetCurrentDC + wglGetLayerPaletteEntries + wglGetPixelFormat + wglGetProcAddress + wglMakeCurrent + wglRealizeLayerPalette + wglSetLayerPaletteEntries + wglSetPixelFormat + wglShareLists + wglSwapBuffers + wglSwapLayerBuffers + wglUseFontBitmapsA + wglUseFontBitmapsW + wglUseFontOutlinesA + wglUseFontOutlinesW + wglGetExtensionsStringARB diff --git a/mesalib/src/mesa/drivers/windows/gdi/wgl.c b/mesalib/src/mesa/drivers/windows/gdi/wgl.c index 0756c27cc..33baabee6 100644 --- a/mesalib/src/mesa/drivers/windows/gdi/wgl.c +++ b/mesalib/src/mesa/drivers/windows/gdi/wgl.c @@ -1,684 +1,684 @@ - -/* - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * File name : wgl.c - * WGL stuff. Added by Oleg Letsinsky, ajl@ultersys.ru - * Some things originated from the 3Dfx WGL functions - */ - -/* - * This file contains the implementation of the wgl* functions for - * Mesa on Windows. Since these functions are provided by Windows in - * GDI/OpenGL, we must supply our versions that work with Mesa here. - */ - - -#include - -#include "main/config.h" -#include "glapi/glapi.h" -#include "GL/wmesa.h" /* protos for wmesa* functions */ - -/* - * Pixel Format Descriptors - */ - -/* Extend the PFD to include DB flag */ -struct __pixelformat__ -{ - PIXELFORMATDESCRIPTOR pfd; - GLboolean doubleBuffered; -}; - - - -/* These are the PFD's supported by this driver. */ -struct __pixelformat__ pfd[] = -{ -#if 0 - /* Double Buffer, alpha */ - { - { - sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| - PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, - PFD_TYPE_RGBA, - 24, - 8, 0, - 8, 8, - 8, 16, - 8, 24, - 0, 0, 0, 0, 0, - DEFAULT_SOFTWARE_DEPTH_BITS, 8, - 0, 0, 0, - 0, 0, 0 - }, - GL_TRUE - }, - /* Single Buffer, alpha */ - { - { - sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| - PFD_GENERIC_FORMAT, - PFD_TYPE_RGBA, - 24, - 8, 0, - 8, 8, - 8, 16, - 8, 24, - 0, 0, 0, 0, 0, - DEFAULT_SOFTWARE_DEPTH_BITS, 8, - 0, 0, 0, - 0, 0, 0 - }, - GL_FALSE - }, -#endif - /* Double Buffer, no alpha */ - { - { - sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| - PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, - PFD_TYPE_RGBA, - 24, - 8, 0, - 8, 8, - 8, 16, - 0, 0, - 0, 0, 0, 0, 0, - DEFAULT_SOFTWARE_DEPTH_BITS, 8, - 0, 0, 0, - 0, 0, 0 - }, - GL_TRUE - }, - /* Single Buffer, no alpha */ - { - { - sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| - PFD_GENERIC_FORMAT, - PFD_TYPE_RGBA, - 24, - 8, 0, - 8, 8, - 8, 16, - 0, 0, - 0, 0, 0, 0, 0, - DEFAULT_SOFTWARE_DEPTH_BITS, 8, - 0, 0, 0, - 0, 0, 0 - }, - GL_FALSE - }, -}; - -int npfd = sizeof(pfd) / sizeof(pfd[0]); - - -/* - * Contexts - */ - -typedef struct { - WMesaContext ctx; -} MesaWglCtx; - -#define MESAWGL_CTX_MAX_COUNT 20 - -static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT]; - -static unsigned ctx_count = 0; -static int ctx_current = -1; -static unsigned curPFD = 0; - -static HDC CurrentHDC = 0; - - -WINGDIAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc) -{ - int i = 0; - if (!ctx_count) { - for(i=0;inSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1) - { - SetLastError(0); - return(0); - } - for(i = 0; i < npfd;i++) - { - delta = 0; - if( - (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) && - !(pfd[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW)) - continue; - if( - (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) && - !(pfd[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_GDI) && - !(pfd[i].pfd.dwFlags & PFD_SUPPORT_GDI)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_OPENGL) && - !(pfd[i].pfd.dwFlags & PFD_SUPPORT_OPENGL)) - continue; - if( - !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && - ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != - (pfd[i].pfd.dwFlags & PFD_DOUBLEBUFFER))) - continue; - if( - !(ppfd->dwFlags & PFD_STEREO_DONTCARE) && - ((ppfd->dwFlags & PFD_STEREO) != - (pfd[i].pfd.dwFlags & PFD_STEREO))) - continue; - if(ppfd->iPixelType != pfd[i].pfd.iPixelType) - delta++; - if(ppfd->cAlphaBits != pfd[i].pfd.cAlphaBits) - delta++; - if(delta < bestdelta) - { - best = i + 1; - bestdelta = delta; - if(bestdelta == 0) - break; - } - } - if(best == -1) - { - SetLastError(0); - return(0); - } - return(best); -} - -WINGDIAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc, - int iPixelFormat, - UINT nBytes, - LPPIXELFORMATDESCRIPTOR ppfd) -{ - (void) hdc; - - if(ppfd == NULL) - return(npfd); - if(iPixelFormat < 1 || iPixelFormat > npfd || - nBytes != sizeof(PIXELFORMATDESCRIPTOR)) - { - SetLastError(0); - return(0); - } - *ppfd = pfd[iPixelFormat - 1].pfd; - return(npfd); -} - -WINGDIAPI PROC GLAPIENTRY wglGetProcAddress(LPCSTR lpszProc) -{ - PROC p = (PROC) _glapi_get_proc_address((const char *) lpszProc); - if (p) - return p; - - SetLastError(0); - return(NULL); -} - -WINGDIAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc) -{ - (void) hdc; - if(curPFD == 0) { - SetLastError(0); - return(0); - } - return(curPFD); -} - -WINGDIAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat, - const PIXELFORMATDESCRIPTOR *ppfd) -{ - (void) hdc; - - if(iPixelFormat < 1 || iPixelFormat > npfd || - ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) { - SetLastError(0); - return(FALSE); - } - curPFD = iPixelFormat; - return(TRUE); -} - -WINGDIAPI BOOL GLAPIENTRY wglSwapBuffers(HDC hdc) -{ - WMesaSwapBuffers(hdc); - return TRUE; -} - -static FIXED FixedFromDouble(double d) -{ - long l = (long) (d * 65536L); - return *(FIXED *) (void *) &l; -} - - -/* -** This is cribbed from FX/fxwgl.c, and seems to implement support -** for bitmap fonts where the wglUseFontBitmapsA() code implements -** support for outline fonts. In combination they hopefully give -** fairly generic support for fonts. -*/ -static BOOL wglUseFontBitmaps_FX(HDC fontDevice, DWORD firstChar, - DWORD numChars, DWORD listBase) -{ -#define VERIFY(a) (void)(a) - - TEXTMETRIC metric; - BITMAPINFO *dibInfo; - HDC bitDevice; - COLORREF tempColor; - int i; - - VERIFY(GetTextMetrics(fontDevice, &metric)); - - dibInfo = (BITMAPINFO *) calloc(sizeof(BITMAPINFO) + sizeof(RGBQUAD), 1); - dibInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - dibInfo->bmiHeader.biPlanes = 1; - dibInfo->bmiHeader.biBitCount = 1; - dibInfo->bmiHeader.biCompression = BI_RGB; - - bitDevice = CreateCompatibleDC(fontDevice); - - /* Swap fore and back colors so the bitmap has the right polarity */ - tempColor = GetBkColor(bitDevice); - SetBkColor(bitDevice, GetTextColor(bitDevice)); - SetTextColor(bitDevice, tempColor); - - /* Place chars based on base line */ - VERIFY(SetTextAlign(bitDevice, TA_BASELINE) != GDI_ERROR ? 1 : 0); - - for(i = 0; i < (int)numChars; i++) { - SIZE size; - char curChar; - int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res; - HBITMAP bitObject; - HGDIOBJ origBmap; - unsigned char *bmap; - - curChar = (char)(i + firstChar); - - /* Find how high/wide this character is */ - VERIFY(GetTextExtentPoint32(bitDevice, &curChar, 1, &size)); - - /* Create the output bitmap */ - charWidth = size.cx; - charHeight = size.cy; - /* Round up to the next multiple of 32 bits */ - bmapWidth = ((charWidth + 31) / 32) * 32; - bmapHeight = charHeight; - bitObject = CreateCompatibleBitmap(bitDevice, - bmapWidth, - bmapHeight); - /* VERIFY(bitObject); */ - - /* Assign the output bitmap to the device */ - origBmap = SelectObject(bitDevice, bitObject); - (void) VERIFY(origBmap); - - VERIFY( PatBlt( bitDevice, 0, 0, bmapWidth, bmapHeight,BLACKNESS ) ); - - /* Use our source font on the device */ - VERIFY(SelectObject(bitDevice, GetCurrentObject(fontDevice,OBJ_FONT))); - - /* Draw the character */ - VERIFY(TextOut(bitDevice, 0, metric.tmAscent, &curChar, 1)); - - /* Unselect our bmap object */ - VERIFY(SelectObject(bitDevice, origBmap)); - - /* Convert the display dependant representation to a 1 bit deep DIB */ - numBytes = (bmapWidth * bmapHeight) / 8; - bmap = malloc(numBytes); - dibInfo->bmiHeader.biWidth = bmapWidth; - dibInfo->bmiHeader.biHeight = bmapHeight; - res = GetDIBits(bitDevice, bitObject, 0, bmapHeight, bmap, - dibInfo, - DIB_RGB_COLORS); - /* VERIFY(res); */ - - /* Create the GL object */ - glNewList(i + listBase, GL_COMPILE); - glBitmap(bmapWidth, bmapHeight, 0.0, (GLfloat)metric.tmDescent, - (GLfloat)charWidth, 0.0, - bmap); - glEndList(); - /* CheckGL(); */ - - /* Destroy the bmap object */ - DeleteObject(bitObject); - - /* Deallocate the bitmap data */ - free(bmap); - } - - /* Destroy the DC */ - VERIFY(DeleteDC(bitDevice)); - - free(dibInfo); - - return TRUE; -#undef VERIFY -} - -WINGDIAPI BOOL GLAPIENTRY wglUseFontBitmapsA(HDC hdc, DWORD first, - DWORD count, DWORD listBase) -{ - int i; - GLuint font_list; - DWORD size; - GLYPHMETRICS gm; - HANDLE hBits; - LPSTR lpBits; - MAT2 mat; - int success = TRUE; - - if (count == 0) - return FALSE; - - font_list = listBase; - - mat.eM11 = FixedFromDouble(1); - mat.eM12 = FixedFromDouble(0); - mat.eM21 = FixedFromDouble(0); - mat.eM22 = FixedFromDouble(-1); - - memset(&gm,0,sizeof(gm)); - - /* - ** If we can't get the glyph outline, it may be because this is a fixed - ** font. Try processing it that way. - */ - if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat) - == GDI_ERROR ) { - return wglUseFontBitmaps_FX( hdc, first, count, listBase ); - } - - /* - ** Otherwise process all desired characters. - */ - for (i = 0; i < (int)count; i++) { - DWORD err; - - glNewList( font_list+i, GL_COMPILE ); - - /* allocate space for the bitmap/outline */ - size = GetGlyphOutline(hdc, first + i, GGO_BITMAP, - &gm, 0, NULL, &mat); - if (size == GDI_ERROR) { - glEndList( ); - err = GetLastError(); - success = FALSE; - continue; - } - - hBits = GlobalAlloc(GHND, size+1); - lpBits = GlobalLock(hBits); - - err = - GetGlyphOutline(hdc, /* handle to device context */ - first + i, /* character to query */ - GGO_BITMAP, /* format of data to return */ - &gm, /* ptr to structure for metrics*/ - size, /* size of buffer for data */ - lpBits, /* pointer to buffer for data */ - &mat /* pointer to transformation */ - /* matrix structure */ - ); - - if (err == GDI_ERROR) { - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - err = GetLastError(); - success = FALSE; - continue; - } - - glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY, - (GLfloat)-gm.gmptGlyphOrigin.x, - (GLfloat)gm.gmptGlyphOrigin.y, - (GLfloat)gm.gmCellIncX, - (GLfloat)gm.gmCellIncY, - (const GLubyte * )lpBits); - - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - } - - return success; -} - -WINGDIAPI BOOL GLAPIENTRY wglShareLists(HGLRC hglrc1, - HGLRC hglrc2) -{ - WMesaShareLists((WMesaContext)hglrc1, (WMesaContext)hglrc2); - return(TRUE); -} - - - -/* NOT IMPLEMENTED YET */ -WINGDIAPI BOOL GLAPIENTRY wglCopyContext(HGLRC hglrcSrc, - HGLRC hglrcDst, - UINT mask) -{ - (void) hglrcSrc; (void) hglrcDst; (void) mask; - return(FALSE); -} - -WINGDIAPI HGLRC GLAPIENTRY wglCreateLayerContext(HDC hdc, - int iLayerPlane) -{ - SetLastError(0); - if (iLayerPlane == 0) - return wglCreateContext( hdc ); - return(NULL); -} - - -WINGDIAPI BOOL GLAPIENTRY wglUseFontBitmapsW(HDC hdc, - DWORD first, - DWORD count, - DWORD listBase) -{ - (void) hdc; (void) first; (void) count; (void) listBase; - return FALSE; -} - -WINGDIAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc, - DWORD first, - DWORD count, - DWORD listBase, - FLOAT deviation, - FLOAT extrusion, - int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - (void) hdc; (void) first; (void) count; - (void) listBase; (void) deviation; (void) extrusion; (void) format; - (void) lpgmf; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc, - DWORD first, - DWORD count, - DWORD listBase, - FLOAT deviation, - FLOAT extrusion, - int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - (void) hdc; (void) first; (void) count; - (void) listBase; (void) deviation; (void) extrusion; (void) format; - (void) lpgmf; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc, - int iPixelFormat, - int iLayerPlane, - UINT nBytes, - LPLAYERPLANEDESCRIPTOR plpd) -{ - (void) hdc; (void) iPixelFormat; (void) iLayerPlane; - (void) nBytes; (void) plpd; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC hdc, - int iLayerPlane, - int iStart, - int cEntries, - CONST COLORREF *pcr) -{ - (void) hdc; (void) iLayerPlane; (void) iStart; - (void) cEntries; (void) pcr; - SetLastError(0); - return(0); -} - -WINGDIAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC hdc, - int iLayerPlane, - int iStart, - int cEntries, - COLORREF *pcr) -{ - (void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr; - SetLastError(0); - return(0); -} - -WINGDIAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc, - int iLayerPlane, - BOOL bRealize) -{ - (void) hdc; (void) iLayerPlane; (void) bRealize; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc, - UINT fuPlanes) -{ - (void) hdc; (void) fuPlanes; - SetLastError(0); - return(FALSE); -} - -WINGDIAPI const char * GLAPIENTRY wglGetExtensionsStringARB(HDC hdc) -{ - return "WGL_ARB_extensions_string"; -} + +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* + * File name : wgl.c + * WGL stuff. Added by Oleg Letsinsky, ajl@ultersys.ru + * Some things originated from the 3Dfx WGL functions + */ + +/* + * This file contains the implementation of the wgl* functions for + * Mesa on Windows. Since these functions are provided by Windows in + * GDI/OpenGL, we must supply our versions that work with Mesa here. + */ + + +#include + +#include "main/config.h" +#include "glapi/glapi.h" +#include "GL/wmesa.h" /* protos for wmesa* functions */ + +/* + * Pixel Format Descriptors + */ + +/* Extend the PFD to include DB flag */ +struct __pixelformat__ +{ + PIXELFORMATDESCRIPTOR pfd; + GLboolean doubleBuffered; +}; + + + +/* These are the PFD's supported by this driver. */ +struct __pixelformat__ pfd[] = +{ +#if 0 + /* Double Buffer, alpha */ + { + { + sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| + PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, + PFD_TYPE_RGBA, + 24, + 8, 0, + 8, 8, + 8, 16, + 8, 24, + 0, 0, 0, 0, 0, + DEFAULT_SOFTWARE_DEPTH_BITS, 8, + 0, 0, 0, + 0, 0, 0 + }, + GL_TRUE + }, + /* Single Buffer, alpha */ + { + { + sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| + PFD_GENERIC_FORMAT, + PFD_TYPE_RGBA, + 24, + 8, 0, + 8, 8, + 8, 16, + 8, 24, + 0, 0, 0, 0, 0, + DEFAULT_SOFTWARE_DEPTH_BITS, 8, + 0, 0, 0, + 0, 0, 0 + }, + GL_FALSE + }, +#endif + /* Double Buffer, no alpha */ + { + { + sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| + PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, + PFD_TYPE_RGBA, + 24, + 8, 0, + 8, 8, + 8, 16, + 0, 0, + 0, 0, 0, 0, 0, + DEFAULT_SOFTWARE_DEPTH_BITS, 8, + 0, 0, 0, + 0, 0, 0 + }, + GL_TRUE + }, + /* Single Buffer, no alpha */ + { + { + sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL| + PFD_GENERIC_FORMAT, + PFD_TYPE_RGBA, + 24, + 8, 0, + 8, 8, + 8, 16, + 0, 0, + 0, 0, 0, 0, 0, + DEFAULT_SOFTWARE_DEPTH_BITS, 8, + 0, 0, 0, + 0, 0, 0 + }, + GL_FALSE + }, +}; + +int npfd = sizeof(pfd) / sizeof(pfd[0]); + + +/* + * Contexts + */ + +typedef struct { + WMesaContext ctx; +} MesaWglCtx; + +#define MESAWGL_CTX_MAX_COUNT 20 + +static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT]; + +static unsigned ctx_count = 0; +static int ctx_current = -1; +static unsigned curPFD = 0; + +static HDC CurrentHDC = 0; + + +WINGDIAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc) +{ + int i = 0; + if (!ctx_count) { + for(i=0;inSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1) + { + SetLastError(0); + return(0); + } + for(i = 0; i < npfd;i++) + { + delta = 0; + if( + (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) && + !(pfd[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW)) + continue; + if( + (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) && + !(pfd[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP)) + continue; + if( + (ppfd->dwFlags & PFD_SUPPORT_GDI) && + !(pfd[i].pfd.dwFlags & PFD_SUPPORT_GDI)) + continue; + if( + (ppfd->dwFlags & PFD_SUPPORT_OPENGL) && + !(pfd[i].pfd.dwFlags & PFD_SUPPORT_OPENGL)) + continue; + if( + !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && + ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != + (pfd[i].pfd.dwFlags & PFD_DOUBLEBUFFER))) + continue; + if( + !(ppfd->dwFlags & PFD_STEREO_DONTCARE) && + ((ppfd->dwFlags & PFD_STEREO) != + (pfd[i].pfd.dwFlags & PFD_STEREO))) + continue; + if(ppfd->iPixelType != pfd[i].pfd.iPixelType) + delta++; + if(ppfd->cAlphaBits != pfd[i].pfd.cAlphaBits) + delta++; + if(delta < bestdelta) + { + best = i + 1; + bestdelta = delta; + if(bestdelta == 0) + break; + } + } + if(best == -1) + { + SetLastError(0); + return(0); + } + return(best); +} + +WINGDIAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc, + int iPixelFormat, + UINT nBytes, + LPPIXELFORMATDESCRIPTOR ppfd) +{ + (void) hdc; + + if(ppfd == NULL) + return(npfd); + if(iPixelFormat < 1 || iPixelFormat > npfd || + nBytes != sizeof(PIXELFORMATDESCRIPTOR)) + { + SetLastError(0); + return(0); + } + *ppfd = pfd[iPixelFormat - 1].pfd; + return(npfd); +} + +WINGDIAPI PROC GLAPIENTRY wglGetProcAddress(LPCSTR lpszProc) +{ + PROC p = (PROC) _glapi_get_proc_address((const char *) lpszProc); + if (p) + return p; + + SetLastError(0); + return(NULL); +} + +WINGDIAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc) +{ + (void) hdc; + if(curPFD == 0) { + SetLastError(0); + return(0); + } + return(curPFD); +} + +WINGDIAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat, + const PIXELFORMATDESCRIPTOR *ppfd) +{ + (void) hdc; + + if(iPixelFormat < 1 || iPixelFormat > npfd || + ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) { + SetLastError(0); + return(FALSE); + } + curPFD = iPixelFormat; + return(TRUE); +} + +WINGDIAPI BOOL GLAPIENTRY wglSwapBuffers(HDC hdc) +{ + WMesaSwapBuffers(hdc); + return TRUE; +} + +static FIXED FixedFromDouble(double d) +{ + long l = (long) (d * 65536L); + return *(FIXED *) (void *) &l; +} + + +/* +** This is cribbed from FX/fxwgl.c, and seems to implement support +** for bitmap fonts where the wglUseFontBitmapsA() code implements +** support for outline fonts. In combination they hopefully give +** fairly generic support for fonts. +*/ +static BOOL wglUseFontBitmaps_FX(HDC fontDevice, DWORD firstChar, + DWORD numChars, DWORD listBase) +{ +#define VERIFY(a) (void)(a) + + TEXTMETRIC metric; + BITMAPINFO *dibInfo; + HDC bitDevice; + COLORREF tempColor; + int i; + + VERIFY(GetTextMetrics(fontDevice, &metric)); + + dibInfo = (BITMAPINFO *) calloc(sizeof(BITMAPINFO) + sizeof(RGBQUAD), 1); + dibInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + dibInfo->bmiHeader.biPlanes = 1; + dibInfo->bmiHeader.biBitCount = 1; + dibInfo->bmiHeader.biCompression = BI_RGB; + + bitDevice = CreateCompatibleDC(fontDevice); + + /* Swap fore and back colors so the bitmap has the right polarity */ + tempColor = GetBkColor(bitDevice); + SetBkColor(bitDevice, GetTextColor(bitDevice)); + SetTextColor(bitDevice, tempColor); + + /* Place chars based on base line */ + VERIFY(SetTextAlign(bitDevice, TA_BASELINE) != GDI_ERROR ? 1 : 0); + + for(i = 0; i < (int)numChars; i++) { + SIZE size; + char curChar; + int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res; + HBITMAP bitObject; + HGDIOBJ origBmap; + unsigned char *bmap; + + curChar = (char)(i + firstChar); + + /* Find how high/wide this character is */ + VERIFY(GetTextExtentPoint32(bitDevice, &curChar, 1, &size)); + + /* Create the output bitmap */ + charWidth = size.cx; + charHeight = size.cy; + /* Round up to the next multiple of 32 bits */ + bmapWidth = ((charWidth + 31) / 32) * 32; + bmapHeight = charHeight; + bitObject = CreateCompatibleBitmap(bitDevice, + bmapWidth, + bmapHeight); + /* VERIFY(bitObject); */ + + /* Assign the output bitmap to the device */ + origBmap = SelectObject(bitDevice, bitObject); + (void) VERIFY(origBmap); + + VERIFY( PatBlt( bitDevice, 0, 0, bmapWidth, bmapHeight,BLACKNESS ) ); + + /* Use our source font on the device */ + VERIFY(SelectObject(bitDevice, GetCurrentObject(fontDevice,OBJ_FONT))); + + /* Draw the character */ + VERIFY(TextOut(bitDevice, 0, metric.tmAscent, &curChar, 1)); + + /* Unselect our bmap object */ + VERIFY(SelectObject(bitDevice, origBmap)); + + /* Convert the display dependant representation to a 1 bit deep DIB */ + numBytes = (bmapWidth * bmapHeight) / 8; + bmap = malloc(numBytes); + dibInfo->bmiHeader.biWidth = bmapWidth; + dibInfo->bmiHeader.biHeight = bmapHeight; + res = GetDIBits(bitDevice, bitObject, 0, bmapHeight, bmap, + dibInfo, + DIB_RGB_COLORS); + /* VERIFY(res); */ + + /* Create the GL object */ + glNewList(i + listBase, GL_COMPILE); + glBitmap(bmapWidth, bmapHeight, 0.0, (GLfloat)metric.tmDescent, + (GLfloat)charWidth, 0.0, + bmap); + glEndList(); + /* CheckGL(); */ + + /* Destroy the bmap object */ + DeleteObject(bitObject); + + /* Deallocate the bitmap data */ + free(bmap); + } + + /* Destroy the DC */ + VERIFY(DeleteDC(bitDevice)); + + free(dibInfo); + + return TRUE; +#undef VERIFY +} + +WINGDIAPI BOOL GLAPIENTRY wglUseFontBitmapsA(HDC hdc, DWORD first, + DWORD count, DWORD listBase) +{ + int i; + GLuint font_list; + DWORD size; + GLYPHMETRICS gm; + HANDLE hBits; + LPSTR lpBits; + MAT2 mat; + int success = TRUE; + + if (count == 0) + return FALSE; + + font_list = listBase; + + mat.eM11 = FixedFromDouble(1); + mat.eM12 = FixedFromDouble(0); + mat.eM21 = FixedFromDouble(0); + mat.eM22 = FixedFromDouble(-1); + + memset(&gm,0,sizeof(gm)); + + /* + ** If we can't get the glyph outline, it may be because this is a fixed + ** font. Try processing it that way. + */ + if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat) + == GDI_ERROR ) { + return wglUseFontBitmaps_FX( hdc, first, count, listBase ); + } + + /* + ** Otherwise process all desired characters. + */ + for (i = 0; i < (int)count; i++) { + DWORD err; + + glNewList( font_list+i, GL_COMPILE ); + + /* allocate space for the bitmap/outline */ + size = GetGlyphOutline(hdc, first + i, GGO_BITMAP, + &gm, 0, NULL, &mat); + if (size == GDI_ERROR) { + glEndList( ); + err = GetLastError(); + success = FALSE; + continue; + } + + hBits = GlobalAlloc(GHND, size+1); + lpBits = GlobalLock(hBits); + + err = + GetGlyphOutline(hdc, /* handle to device context */ + first + i, /* character to query */ + GGO_BITMAP, /* format of data to return */ + &gm, /* ptr to structure for metrics*/ + size, /* size of buffer for data */ + lpBits, /* pointer to buffer for data */ + &mat /* pointer to transformation */ + /* matrix structure */ + ); + + if (err == GDI_ERROR) { + GlobalUnlock(hBits); + GlobalFree(hBits); + + glEndList( ); + err = GetLastError(); + success = FALSE; + continue; + } + + glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY, + (GLfloat)-gm.gmptGlyphOrigin.x, + (GLfloat)gm.gmptGlyphOrigin.y, + (GLfloat)gm.gmCellIncX, + (GLfloat)gm.gmCellIncY, + (const GLubyte * )lpBits); + + GlobalUnlock(hBits); + GlobalFree(hBits); + + glEndList( ); + } + + return success; +} + +WINGDIAPI BOOL GLAPIENTRY wglShareLists(HGLRC hglrc1, + HGLRC hglrc2) +{ + WMesaShareLists((WMesaContext)hglrc1, (WMesaContext)hglrc2); + return(TRUE); +} + + + +/* NOT IMPLEMENTED YET */ +WINGDIAPI BOOL GLAPIENTRY wglCopyContext(HGLRC hglrcSrc, + HGLRC hglrcDst, + UINT mask) +{ + (void) hglrcSrc; (void) hglrcDst; (void) mask; + return(FALSE); +} + +WINGDIAPI HGLRC GLAPIENTRY wglCreateLayerContext(HDC hdc, + int iLayerPlane) +{ + SetLastError(0); + if (iLayerPlane == 0) + return wglCreateContext( hdc ); + return(NULL); +} + + +WINGDIAPI BOOL GLAPIENTRY wglUseFontBitmapsW(HDC hdc, + DWORD first, + DWORD count, + DWORD listBase) +{ + (void) hdc; (void) first; (void) count; (void) listBase; + return FALSE; +} + +WINGDIAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc, + DWORD first, + DWORD count, + DWORD listBase, + FLOAT deviation, + FLOAT extrusion, + int format, + LPGLYPHMETRICSFLOAT lpgmf) +{ + (void) hdc; (void) first; (void) count; + (void) listBase; (void) deviation; (void) extrusion; (void) format; + (void) lpgmf; + SetLastError(0); + return(FALSE); +} + +WINGDIAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc, + DWORD first, + DWORD count, + DWORD listBase, + FLOAT deviation, + FLOAT extrusion, + int format, + LPGLYPHMETRICSFLOAT lpgmf) +{ + (void) hdc; (void) first; (void) count; + (void) listBase; (void) deviation; (void) extrusion; (void) format; + (void) lpgmf; + SetLastError(0); + return(FALSE); +} + +WINGDIAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc, + int iPixelFormat, + int iLayerPlane, + UINT nBytes, + LPLAYERPLANEDESCRIPTOR plpd) +{ + (void) hdc; (void) iPixelFormat; (void) iLayerPlane; + (void) nBytes; (void) plpd; + SetLastError(0); + return(FALSE); +} + +WINGDIAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC hdc, + int iLayerPlane, + int iStart, + int cEntries, + CONST COLORREF *pcr) +{ + (void) hdc; (void) iLayerPlane; (void) iStart; + (void) cEntries; (void) pcr; + SetLastError(0); + return(0); +} + +WINGDIAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC hdc, + int iLayerPlane, + int iStart, + int cEntries, + COLORREF *pcr) +{ + (void) hdc; (void) iLayerPlane; (void) iStart; (void) cEntries; (void) pcr; + SetLastError(0); + return(0); +} + +WINGDIAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc, + int iLayerPlane, + BOOL bRealize) +{ + (void) hdc; (void) iLayerPlane; (void) bRealize; + SetLastError(0); + return(FALSE); +} + +WINGDIAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc, + UINT fuPlanes) +{ + (void) hdc; (void) fuPlanes; + SetLastError(0); + return(FALSE); +} + +WINGDIAPI const char * GLAPIENTRY wglGetExtensionsStringARB(HDC hdc) +{ + return "WGL_ARB_extensions_string"; +} diff --git a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c index 47580c4e9..35a150d06 100644 --- a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c +++ b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c @@ -1,1658 +1,1658 @@ -/* - * Windows (Win32/Win64) device driver for Mesa - * - */ - -#include "wmesadef.h" -#include "colors.h" -#include "GL/wmesa.h" -#include -#include "main/context.h" -#include "main/extensions.h" -#include "main/framebuffer.h" -#include "main/renderbuffer.h" -#include "main/macros.h" -#include "drivers/common/driverfuncs.h" -#include "drivers/common/meta.h" -#include "vbo/vbo.h" -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" - - -/* linked list of our Framebuffers (windows) */ -static WMesaFramebuffer FirstFramebuffer = NULL; - - -/** - * Create a new WMesaFramebuffer object which will correspond to the - * given HDC (Window handle). - */ -static WMesaFramebuffer -wmesa_new_framebuffer(HDC hdc, struct gl_config *visual) -{ - WMesaFramebuffer pwfb - = (WMesaFramebuffer) malloc(sizeof(struct wmesa_framebuffer)); - if (pwfb) { - _mesa_initialize_window_framebuffer(&pwfb->Base, visual); - pwfb->hDC = hdc; - /* insert at head of list */ - pwfb->next = FirstFramebuffer; - FirstFramebuffer = pwfb; - } - return pwfb; -} - -/** - * Given an hdc, free the corresponding WMesaFramebuffer - */ -static void -wmesa_free_framebuffer(HDC hdc) -{ - WMesaFramebuffer pwfb, prev; - for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) { - if (pwfb->hDC == hdc) - break; - prev = pwfb; - } - if (pwfb) { - struct gl_framebuffer *fb; - if (pwfb == FirstFramebuffer) - FirstFramebuffer = pwfb->next; - else - prev->next = pwfb->next; - fb = &pwfb->Base; - _mesa_reference_framebuffer(&fb, NULL); - } -} - -/** - * Given an hdc, return the corresponding WMesaFramebuffer - */ -static WMesaFramebuffer -wmesa_lookup_framebuffer(HDC hdc) -{ - WMesaFramebuffer pwfb; - for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) { - if (pwfb->hDC == hdc) - return pwfb; - } - return NULL; -} - - -/** - * Given a struct gl_framebuffer, return the corresponding WMesaFramebuffer. - */ -static WMesaFramebuffer wmesa_framebuffer(struct gl_framebuffer *fb) -{ - return (WMesaFramebuffer) fb; -} - - -/** - * Given a struct gl_context, return the corresponding WMesaContext. - */ -static WMesaContext wmesa_context(const struct gl_context *ctx) -{ - return (WMesaContext) ctx; -} - - -/* - * Every driver should implement a GetString function in order to - * return a meaningful GL_RENDERER string. - */ -static const GLubyte *wmesa_get_string(struct gl_context *ctx, GLenum name) -{ - return (name == GL_RENDERER) ? - (GLubyte *) "Mesa Windows GDI Driver" : NULL; -} - - -/* - * Determine the pixel format based on the pixel size. - */ -static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC) -{ - pwfb->cColorBits = GetDeviceCaps(hDC, BITSPIXEL); - - /* Only 16 and 32 bit targets are supported now */ - assert(pwfb->cColorBits == 0 || - pwfb->cColorBits == 16 || - pwfb->cColorBits == 24 || - pwfb->cColorBits == 32); - - switch(pwfb->cColorBits){ - case 8: - pwfb->pixelformat = PF_INDEX8; - break; - case 16: - pwfb->pixelformat = PF_5R6G5B; - break; - case 24: - case 32: - pwfb->pixelformat = PF_8R8G8B; - break; - default: - pwfb->pixelformat = PF_BADFORMAT; - } -} - - -/** - * Create DIB for back buffer. - * We write into this memory with the span routines and then blit it - * to the window on a buffer swap. - */ -static BOOL wmCreateBackingStore(WMesaFramebuffer pwfb, long lxSize, long lySize) -{ - LPBITMAPINFO pbmi = &(pwfb->bmi); - HDC hic; - - pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - pbmi->bmiHeader.biWidth = lxSize; - pbmi->bmiHeader.biHeight= -lySize; - pbmi->bmiHeader.biPlanes = 1; - pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwfb->hDC, BITSPIXEL); - pbmi->bmiHeader.biCompression = BI_RGB; - pbmi->bmiHeader.biSizeImage = 0; - pbmi->bmiHeader.biXPelsPerMeter = 0; - pbmi->bmiHeader.biYPelsPerMeter = 0; - pbmi->bmiHeader.biClrUsed = 0; - pbmi->bmiHeader.biClrImportant = 0; - - pwfb->cColorBits = pbmi->bmiHeader.biBitCount; - pwfb->ScanWidth = (lxSize * (pwfb->cColorBits / 8) + 3) & ~3; - - hic = CreateIC("display", NULL, NULL, NULL); - pwfb->dib_hDC = CreateCompatibleDC(hic); - - pwfb->hbmDIB = CreateDIBSection(hic, - &pwfb->bmi, - DIB_RGB_COLORS, - (void **)&(pwfb->pbPixels), - 0, - 0); - pwfb->hOldBitmap = SelectObject(pwfb->dib_hDC, pwfb->hbmDIB); - - DeleteDC(hic); - - wmSetPixelFormat(pwfb, pwfb->hDC); - return TRUE; -} - - -static void wmDeleteBackingStore(WMesaFramebuffer pwfb) -{ - if (pwfb->hbmDIB) { - SelectObject(pwfb->dib_hDC, pwfb->hOldBitmap); - DeleteDC(pwfb->dib_hDC); - DeleteObject(pwfb->hbmDIB); - } -} - - -/** - * Find the width and height of the window named by hdc. - */ -static void -get_window_size(HDC hdc, GLuint *width, GLuint *height) -{ - if (WindowFromDC(hdc)) { - RECT rect; - GetClientRect(WindowFromDC(hdc), &rect); - *width = rect.right - rect.left; - *height = rect.bottom - rect.top; - } - else { /* Memory context */ - /* From contributed code - use the size of the desktop - * for the size of a memory context (?) */ - *width = GetDeviceCaps(hdc, HORZRES); - *height = GetDeviceCaps(hdc, VERTRES); - } -} - - -static void -wmesa_get_buffer_size(struct gl_framebuffer *buffer, GLuint *width, GLuint *height) -{ - WMesaFramebuffer pwfb = wmesa_framebuffer(buffer); - get_window_size(pwfb->hDC, width, height); -} - - -static void wmesa_flush(struct gl_context *ctx) -{ - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->WinSysDrawBuffer); - - if (ctx->Visual.doubleBufferMode == 1) { - BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height, - pwfb->dib_hDC, 0, 0, SRCCOPY); - } - else { - /* Do nothing for single buffer */ - } -} - - -/**********************************************************************/ -/***** CLEAR Functions *****/ -/**********************************************************************/ - -/* If we do not implement these, Mesa clears the buffers via the pixel - * span writing interface, which is very slow for a clear operation. - */ - -/* - * Set the color used to clear the color buffer. - */ -static void clear_color(struct gl_context *ctx, const GLfloat color[4]) -{ - WMesaContext pwc = wmesa_context(ctx); - GLubyte col[3]; - - CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); - pwc->clearColorRef = RGB(col[0], col[1], col[2]); - DeleteObject(pwc->clearPen); - DeleteObject(pwc->clearBrush); - pwc->clearPen = CreatePen(PS_SOLID, 1, pwc->clearColorRef); - pwc->clearBrush = CreateSolidBrush(pwc->clearColorRef); -} - - -/* - * Clear the specified region of the color buffer using the clear color - * or index as specified by one of the two functions above. - * - * This procedure clears either the front and/or the back COLOR buffers. - * Only the "left" buffer is cleared since we are not stereo. - * Clearing of the other non-color buffers is left to the swrast. - */ - -static void clear(struct gl_context *ctx, GLbitfield mask) -{ -#define FLIP(Y) (ctx->DrawBuffer->Height - (Y) - 1) - const GLint x = ctx->DrawBuffer->_Xmin; - const GLint y = ctx->DrawBuffer->_Ymin; - const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; - const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; - - WMesaContext pwc = wmesa_context(ctx); - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); - int done = 0; - - /* Let swrast do all the work if the masks are not set to - * clear all channels. */ - if (!ctx->Color.ColorMask[0][0] || - !ctx->Color.ColorMask[0][1] || - !ctx->Color.ColorMask[0][2] || - !ctx->Color.ColorMask[0][3]) { - _swrast_Clear(ctx, mask); - return; - } - - /* Back buffer */ - if (mask & BUFFER_BIT_BACK_LEFT) { - - int i, rowSize; - UINT bytesPerPixel = pwfb->cColorBits / 8; - LPBYTE lpb, clearRow; - LPWORD lpw; - BYTE bColor; - WORD wColor; - BYTE r, g, b; - DWORD dwColor; - LPDWORD lpdw; - - /* Try for a fast clear - clearing entire buffer with a single - * byte value. */ - if (width == ctx->DrawBuffer->Width && - height == ctx->DrawBuffer->Height) { /* entire buffer */ - /* Now check for an easy clear value */ - switch (bytesPerPixel) { - case 1: - bColor = BGR8(GetRValue(pwc->clearColorRef), - GetGValue(pwc->clearColorRef), - GetBValue(pwc->clearColorRef)); - memset(pwfb->pbPixels, bColor, - pwfb->ScanWidth * height); - done = 1; - break; - case 2: - wColor = BGR16(GetRValue(pwc->clearColorRef), - GetGValue(pwc->clearColorRef), - GetBValue(pwc->clearColorRef)); - if (((wColor >> 8) & 0xff) == (wColor & 0xff)) { - memset(pwfb->pbPixels, wColor & 0xff, - pwfb->ScanWidth * height); - done = 1; - } - break; - case 3: - /* fall through */ - case 4: - if (GetRValue(pwc->clearColorRef) == - GetGValue(pwc->clearColorRef) && - GetRValue(pwc->clearColorRef) == - GetBValue(pwc->clearColorRef)) { - memset(pwfb->pbPixels, - GetRValue(pwc->clearColorRef), - pwfb->ScanWidth * height); - done = 1; - } - break; - default: - break; - } - } /* all */ - - if (!done) { - /* Need to clear a row at a time. Begin by setting the first - * row in the area to be cleared to the clear color. */ - - clearRow = pwfb->pbPixels + - pwfb->ScanWidth * FLIP(y) + - bytesPerPixel * x; - switch (bytesPerPixel) { - case 1: - lpb = clearRow; - bColor = BGR8(GetRValue(pwc->clearColorRef), - GetGValue(pwc->clearColorRef), - GetBValue(pwc->clearColorRef)); - memset(lpb, bColor, width); - break; - case 2: - lpw = (LPWORD)clearRow; - wColor = BGR16(GetRValue(pwc->clearColorRef), - GetGValue(pwc->clearColorRef), - GetBValue(pwc->clearColorRef)); - for (i=0; iclearColorRef); - g = GetGValue(pwc->clearColorRef); - b = GetBValue(pwc->clearColorRef); - for (i=0; iclearColorRef), - GetGValue(pwc->clearColorRef), - GetBValue(pwc->clearColorRef)); - for (i=0; iScanWidth; - rowSize = width * bytesPerPixel; - for (i=1; iScanWidth; - } - } /* not done */ - mask &= ~BUFFER_BIT_BACK_LEFT; - } /* back buffer */ - - /* front buffer */ - if (mask & BUFFER_BIT_FRONT_LEFT) { - HDC DC = pwc->hDC; - HPEN Old_Pen = SelectObject(DC, pwc->clearPen); - HBRUSH Old_Brush = SelectObject(DC, pwc->clearBrush); - Rectangle(DC, - x, - FLIP(y) + 1, - x + width + 1, - FLIP(y) - height + 1); - SelectObject(DC, Old_Pen); - SelectObject(DC, Old_Brush); - mask &= ~BUFFER_BIT_FRONT_LEFT; - } /* front buffer */ - - /* Call swrast if there is anything left to clear (like DEPTH) */ - if (mask) - _swrast_Clear(ctx, mask); - -#undef FLIP -} - - -/**********************************************************************/ -/***** PIXEL Functions *****/ -/**********************************************************************/ - -#define FLIP(Y) (rb->Height - (Y) - 1) - - -/** - ** Front Buffer reading/writing - ** These are slow, but work with all non-indexed visual types. - **/ - -/* Write a horizontal span of RGBA color pixels with a boolean mask. */ -static void write_rgba_span_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, - const GLubyte *mask) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; - WMesaContext pwc = wmesa_context(ctx); - WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(pwc->hDC); - HBITMAP bmp=0; - HDC mdc=0; - typedef union - { - unsigned i; - struct { - unsigned b:8, g:8, r:8, a:8; - }; - } BGRA; - BGRA *bgra, c; - GLuint i; - - if (n < 16) { // the value 16 is just guessed - y=FLIP(y); - if (mask) { - for (i=0; ihDC, x+i, y, - RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } - else { - for (i=0; ihDC, x+i, y, - RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } - } - else { - if (!pwfb) { - _mesa_problem(NULL, "wmesa: write_rgba_span_front on unknown hdc"); - return; - } - bgra=malloc(n*sizeof(BGRA)); - if (!bgra) { - _mesa_problem(NULL, "wmesa: write_rgba_span_front: out of memory"); - return; - } - c.a=0; - if (mask) { - for (i=0; ihDC); - SelectObject(mdc, bmp); - y=FLIP(y); - BitBlt(pwfb->hDC, x, y, n, 1, mdc, 0, 0, SRCCOPY); - SelectObject(mdc, 0); - DeleteObject(bmp); - DeleteDC(mdc); - free(bgra); - } -} - -/* Write a horizontal span of RGB color pixels with a boolean mask. */ -static void write_rgb_span_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, - const GLubyte *mask) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3])values; - WMesaContext pwc = wmesa_context(ctx); - GLuint i; - - (void) ctx; - y=FLIP(y); - if (mask) { - for (i=0; ihDC, x+i, y, RGB(rgb[i][RCOMP], rgb[i][GCOMP], - rgb[i][BCOMP])); - } - else { - for (i=0; ihDC, x+i, y, RGB(rgb[i][RCOMP], rgb[i][GCOMP], - rgb[i][BCOMP])); - } - -} - -/* - * Write a horizontal span of pixels with a boolean mask. The current color - * is used for all pixels. - */ -static void write_mono_rgba_span_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *value, - const GLubyte *mask) -{ - const GLchan *color = (const GLchan *)value; - GLuint i; - WMesaContext pwc = wmesa_context(ctx); - COLORREF colorref; - - (void) ctx; - colorref = RGB(color[RCOMP], color[GCOMP], color[BCOMP]); - y=FLIP(y); - if (mask) { - for (i=0; ihDC, x+i, y, colorref); - } - else - for (i=0; ihDC, x+i, y, colorref); - -} - -/* Write an array of RGBA pixels with a boolean mask. */ -static void write_rgba_pixels_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, - const GLint x[], const GLint y[], - const void *values, - const GLubyte *mask) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; - GLuint i; - WMesaContext pwc = wmesa_context(ctx); - (void) ctx; - for (i=0; ihDC, x[i], FLIP(y[i]), - RGB(rgba[i][RCOMP], rgba[i][GCOMP], - rgba[i][BCOMP])); -} - - - -/* - * Write an array of pixels with a boolean mask. The current color - * is used for all pixels. - */ -static void write_mono_rgba_pixels_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, - const GLint x[], const GLint y[], - const void *value, - const GLubyte *mask) -{ - const GLchan *color = (const GLchan *)value; - GLuint i; - WMesaContext pwc = wmesa_context(ctx); - COLORREF colorref; - (void) ctx; - colorref = RGB(color[RCOMP], color[GCOMP], color[BCOMP]); - for (i=0; ihDC, x[i], FLIP(y[i]), colorref); -} - -/* Read a horizontal span of color pixels. */ -static void read_rgba_span_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - void *values) -{ - GLubyte (*rgba)[4] = (GLubyte (*)[4])values; - WMesaContext pwc = wmesa_context(ctx); - GLuint i; - COLORREF Color; - y = FLIP(y); - for (i=0; ihDC, x+i, y); - rgba[i][RCOMP] = GetRValue(Color); - rgba[i][GCOMP] = GetGValue(Color); - rgba[i][BCOMP] = GetBValue(Color); - rgba[i][ACOMP] = 255; - } -} - - -/* Read an array of color pixels. */ -static void read_rgba_pixels_front(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - void *values) -{ - GLubyte (*rgba)[4] = (GLubyte (*)[4])values; - WMesaContext pwc = wmesa_context(ctx); - GLuint i; - COLORREF Color; - for (i=0; ihDC, x[i], y2); - rgba[i][RCOMP] = GetRValue(Color); - rgba[i][GCOMP] = GetGValue(Color); - rgba[i][BCOMP] = GetBValue(Color); - rgba[i][ACOMP] = 255; - } -} - -/*********************************************************************/ - -/* DOUBLE BUFFER 32-bit */ - -#define WMSETPIXEL32(pwc, y, x, r, g, b) { \ -LPDWORD lpdw = ((LPDWORD)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (x)); \ -*lpdw = BGR32((r),(g),(b)); } - - - -/* Write a horizontal span of RGBA color pixels with a boolean mask. */ -static void write_rgba_span_32(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, - const GLubyte *mask) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); - GLuint i; - LPDWORD lpdw; - - (void) ctx; - - y=FLIP(y); - lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - if (mask) { - for (i=0; iDrawBuffer); - GLuint i; - LPDWORD lpdw; - - (void) ctx; - - y=FLIP(y); - lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - if (mask) { - for (i=0; iDrawBuffer); - lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - y=FLIP(y); - pixel = BGR32(color[RCOMP], color[GCOMP], color[BCOMP]); - if (mask) { - for (i=0; iDrawBuffer); - for (i=0; iDrawBuffer); - for (i=0; iDrawBuffer); - - y = FLIP(y); - lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - for (i=0; i> 16); - rgba[i][GCOMP] = (GLubyte)((pixel & 0x0000ff00) >> 8); - rgba[i][BCOMP] = (GLubyte)(pixel & 0x000000ff); - rgba[i][ACOMP] = 255; - } -} - - -/* Read an array of color pixels. */ -static void read_rgba_pixels_32(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - void *values) -{ - GLubyte (*rgba)[4] = (GLubyte (*)[4])values; - GLuint i; - DWORD pixel; - LPDWORD lpdw; - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); - - for (i=0; ipbPixels + pwfb->ScanWidth * y2)) + x[i]; - pixel = *lpdw; - rgba[i][RCOMP] = (GLubyte)((pixel & 0x00ff0000) >> 16); - rgba[i][GCOMP] = (GLubyte)((pixel & 0x0000ff00) >> 8); - rgba[i][BCOMP] = (GLubyte)(pixel & 0x000000ff); - rgba[i][ACOMP] = 255; - } -} - - -/*********************************************************************/ - -/* DOUBLE BUFFER 24-bit */ - -#define WMSETPIXEL24(pwc, y, x, r, g, b) { \ -LPBYTE lpb = ((LPBYTE)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (3 * x)); \ -lpb[0] = (b); \ -lpb[1] = (g); \ -lpb[2] = (r); } - -/* Write a horizontal span of RGBA color pixels with a boolean mask. */ -static void write_rgba_span_24(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, - const GLubyte *mask) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); - GLuint i; - LPBYTE lpb; - - (void) ctx; - - y=FLIP(y); - lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); - if (mask) { - for (i=0; iDrawBuffer); - GLuint i; - LPBYTE lpb; - - (void) ctx; - - y=FLIP(y); - lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); - if (mask) { - for (i=0; iDrawBuffer); - lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); - y=FLIP(y); - if (mask) { - for (i=0; iDrawBuffer); - for (i=0; iDrawBuffer); - for (i=0; iDrawBuffer); - - y = FLIP(y); - lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); - for (i=0; iDrawBuffer); - - for (i=0; ipbPixels + pwfb->ScanWidth * y2)) + (3 * x[i]); - rgba[i][RCOMP] = lpb[3*i+2]; - rgba[i][GCOMP] = lpb[3*i+1]; - rgba[i][BCOMP] = lpb[3*i]; - rgba[i][ACOMP] = 255; - } -} - - -/*********************************************************************/ - -/* DOUBLE BUFFER 16-bit */ - -#define WMSETPIXEL16(pwc, y, x, r, g, b) { \ -LPWORD lpw = ((LPWORD)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (x)); \ -*lpw = BGR16((r),(g),(b)); } - - - -/* Write a horizontal span of RGBA color pixels with a boolean mask. */ -static void write_rgba_span_16(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const void *values, - const GLubyte *mask) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); - GLuint i; - LPWORD lpw; - - (void) ctx; - - y=FLIP(y); - lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - if (mask) { - for (i=0; iDrawBuffer); - GLuint i; - LPWORD lpw; - - (void) ctx; - - y=FLIP(y); - lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - if (mask) { - for (i=0; iDrawBuffer); - (void) ctx; - lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - y=FLIP(y); - pixel = BGR16(color[RCOMP], color[GCOMP], color[BCOMP]); - if (mask) { - for (i=0; iDrawBuffer); - (void) ctx; - for (i=0; iDrawBuffer); - (void) ctx; - for (i=0; iDrawBuffer); - - y = FLIP(y); - lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; - for (i=0; i> 7; - rgba[i][GCOMP] = (pixel & 0x03e0) >> 2; - rgba[i][BCOMP] = (pixel & 0x001f) << 3; - rgba[i][ACOMP] = 255; - } -} - - -/* Read an array of color pixels. */ -static void read_rgba_pixels_16(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - void *values) -{ - GLubyte (*rgba)[4] = (GLubyte (*)[4])values; - GLuint i, pixel; - LPWORD lpw; - WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); - - for (i=0; ipbPixels + pwfb->ScanWidth * y2)) + x[i]; - pixel = *lpw; - /* Windows uses 5,5,5 for 16-bit */ - rgba[i][RCOMP] = (pixel & 0x7c00) >> 7; - rgba[i][GCOMP] = (pixel & 0x03e0) >> 2; - rgba[i][BCOMP] = (pixel & 0x001f) << 3; - rgba[i][ACOMP] = 255; - } -} - - - - -/**********************************************************************/ -/***** BUFFER Functions *****/ -/**********************************************************************/ - - - - -static void -wmesa_delete_renderbuffer(struct gl_renderbuffer *rb) -{ - free(rb); -} - - -/** - * This is called by Mesa whenever it determines that the window size - * has changed. Do whatever's needed to cope with that. - */ -static GLboolean -wmesa_renderbuffer_storage(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLenum internalFormat, - GLuint width, - GLuint height) -{ - rb->Width = width; - rb->Height = height; - return GL_TRUE; -} - - -/** - * Plug in the Get/PutRow/Values functions for a renderbuffer depending - * on if we're drawing to the front or back color buffer. - */ -static void -wmesa_set_renderbuffer_funcs(struct gl_renderbuffer *rb, int pixelformat, - int cColorBits, int double_buffer) -{ - if (double_buffer) { - /* back buffer */ - /* Picking the correct span functions is important because - * the DIB was allocated with the indicated depth. */ - switch(pixelformat) { - case PF_5R6G5B: - rb->PutRow = write_rgba_span_16; - rb->PutRowRGB = write_rgb_span_16; - rb->PutMonoRow = write_mono_rgba_span_16; - rb->PutValues = write_rgba_pixels_16; - rb->PutMonoValues = write_mono_rgba_pixels_16; - rb->GetRow = read_rgba_span_16; - rb->GetValues = read_rgba_pixels_16; - break; - case PF_8R8G8B: - if (cColorBits == 24) - { - rb->PutRow = write_rgba_span_24; - rb->PutRowRGB = write_rgb_span_24; - rb->PutMonoRow = write_mono_rgba_span_24; - rb->PutValues = write_rgba_pixels_24; - rb->PutMonoValues = write_mono_rgba_pixels_24; - rb->GetRow = read_rgba_span_24; - rb->GetValues = read_rgba_pixels_24; - } - else - { - rb->PutRow = write_rgba_span_32; - rb->PutRowRGB = write_rgb_span_32; - rb->PutMonoRow = write_mono_rgba_span_32; - rb->PutValues = write_rgba_pixels_32; - rb->PutMonoValues = write_mono_rgba_pixels_32; - rb->GetRow = read_rgba_span_32; - rb->GetValues = read_rgba_pixels_32; - } - break; - default: - break; - } - } - else { - /* front buffer (actual Windows window) */ - rb->PutRow = write_rgba_span_front; - rb->PutRowRGB = write_rgb_span_front; - rb->PutMonoRow = write_mono_rgba_span_front; - rb->PutValues = write_rgba_pixels_front; - rb->PutMonoValues = write_mono_rgba_pixels_front; - rb->GetRow = read_rgba_span_front; - rb->GetValues = read_rgba_pixels_front; - } -} - -/** - * Called by ctx->Driver.ResizeBuffers() - * Resize the front/back colorbuffers to match the latest window size. - */ -static void -wmesa_resize_buffers(struct gl_context *ctx, struct gl_framebuffer *buffer, - GLuint width, GLuint height) -{ - WMesaFramebuffer pwfb = wmesa_framebuffer(buffer); - - if (pwfb->Base.Width != width || pwfb->Base.Height != height) { - /* Realloc back buffer */ - if (ctx->Visual.doubleBufferMode == 1) { - wmDeleteBackingStore(pwfb); - wmCreateBackingStore(pwfb, width, height); - } - } - _mesa_resize_framebuffer(ctx, buffer, width, height); -} - - -/** - * Called by glViewport. - * This is a good time for us to poll the current window size and adjust - * our renderbuffers to match the current window size. - * Remember, we have no opportunity to respond to conventional - * resize events since the driver has no event loop. - * Thus, we poll. - * MakeCurrent also ends up making a call here, so that ensures - * we get the viewport set correctly, even if the app does not call - * glViewport and relies on the defaults. - */ -static void wmesa_viewport(struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height) -{ - GLuint new_width, new_height; - - wmesa_get_buffer_size(ctx->WinSysDrawBuffer, &new_width, &new_height); - - /** - * Resize buffers if the window size changed. - */ - wmesa_resize_buffers(ctx, ctx->WinSysDrawBuffer, new_width, new_height); - ctx->NewState |= _NEW_BUFFERS; /* to update scissor / window bounds */ -} - - - - -/** - * Called when the driver should update it's state, based on the new_state - * flags. - */ -static void wmesa_update_state(struct gl_context *ctx, GLuint new_state) -{ - _swrast_InvalidateState(ctx, new_state); - _swsetup_InvalidateState(ctx, new_state); - _vbo_InvalidateState(ctx, new_state); - _tnl_InvalidateState(ctx, new_state); - - /* TODO - This code is not complete yet because I - * don't know what to do for all state updates. - */ - - if (new_state & _NEW_BUFFERS) { - } -} - - - - - -/**********************************************************************/ -/***** WMESA Functions *****/ -/**********************************************************************/ - -WMesaContext WMesaCreateContext(HDC hDC, - HPALETTE* Pal, - GLboolean rgb_flag, - GLboolean db_flag, - GLboolean alpha_flag) -{ - WMesaContext c; - struct dd_function_table functions; - GLint red_bits, green_bits, blue_bits, alpha_bits; - struct gl_context *ctx; - struct gl_config *visual; - - (void) Pal; - - /* Indexed mode not supported */ - if (!rgb_flag) - return NULL; - - /* Allocate wmesa context */ - c = CALLOC_STRUCT(wmesa_context); - if (!c) - return NULL; - -#if 0 - /* I do not understand this contributed code */ - /* Support memory and device contexts */ - if(WindowFromDC(hDC) != NULL) { - c->hDC = GetDC(WindowFromDC(hDC)); /* huh ???? */ - } - else { - c->hDC = hDC; - } -#else - c->hDC = hDC; -#endif - - /* Get data for visual */ - /* Dealing with this is actually a bit of overkill because Mesa will end - * up treating all color component size requests less than 8 by using - * a single byte per channel. In addition, the interface to the span - * routines passes colors as an entire byte per channel anyway, so there - * is nothing to be saved by telling the visual to be 16 bits if the device - * is 16 bits. That is, Mesa is going to compute colors down to 8 bits per - * channel anyway. - * But we go through the motions here anyway. - */ - switch (GetDeviceCaps(c->hDC, BITSPIXEL)) { - case 16: - red_bits = green_bits = blue_bits = 5; - alpha_bits = 0; - break; - default: - red_bits = green_bits = blue_bits = 8; - alpha_bits = 8; - break; - } - /* Create visual based on flags */ - visual = _mesa_create_visual(db_flag, /* db_flag */ - GL_FALSE, /* stereo */ - red_bits, green_bits, blue_bits, /* color RGB */ - alpha_flag ? alpha_bits : 0, /* color A */ - DEFAULT_SOFTWARE_DEPTH_BITS, /* depth_bits */ - 8, /* stencil_bits */ - 16,16,16, /* accum RGB */ - alpha_flag ? 16 : 0, /* accum A */ - 1); /* num samples */ - - if (!visual) { - free(c); - return NULL; - } - - /* Set up driver functions */ - _mesa_init_driver_functions(&functions); - functions.GetString = wmesa_get_string; - functions.UpdateState = wmesa_update_state; - functions.GetBufferSize = wmesa_get_buffer_size; - functions.Flush = wmesa_flush; - functions.Clear = clear; - functions.ClearColor = clear_color; - functions.ResizeBuffers = wmesa_resize_buffers; - functions.Viewport = wmesa_viewport; - - /* initialize the Mesa context data */ - ctx = &c->gl_ctx; - _mesa_initialize_context(ctx, API_OPENGL, visual, - NULL, &functions, (void *)c); - - /* visual no longer needed - it was copied by _mesa_initialize_context() */ - _mesa_destroy_visual(visual); - - _mesa_enable_sw_extensions(ctx); - _mesa_enable_1_3_extensions(ctx); - _mesa_enable_1_4_extensions(ctx); - _mesa_enable_1_5_extensions(ctx); - _mesa_enable_2_0_extensions(ctx); - _mesa_enable_2_1_extensions(ctx); - - _mesa_meta_init(ctx); - - /* Initialize the software rasterizer and helper modules. */ - if (!_swrast_CreateContext(ctx) || - !_vbo_CreateContext(ctx) || - !_tnl_CreateContext(ctx) || - !_swsetup_CreateContext(ctx)) { - _mesa_free_context_data(ctx); - free(c); - return NULL; - } - _swsetup_Wakeup(ctx); - TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; - - return c; -} - - -void WMesaDestroyContext( WMesaContext pwc ) -{ - struct gl_context *ctx = &pwc->gl_ctx; - WMesaFramebuffer pwfb; - GET_CURRENT_CONTEXT(cur_ctx); - - if (cur_ctx == ctx) { - /* unbind current if deleting current context */ - WMesaMakeCurrent(NULL, NULL); - } - - /* clean up frame buffer resources */ - pwfb = wmesa_lookup_framebuffer(pwc->hDC); - if (pwfb) { - if (ctx->Visual.doubleBufferMode == 1) - wmDeleteBackingStore(pwfb); - wmesa_free_framebuffer(pwc->hDC); - } - - /* Release for device, not memory contexts */ - if (WindowFromDC(pwc->hDC) != NULL) - { - ReleaseDC(WindowFromDC(pwc->hDC), pwc->hDC); - } - DeleteObject(pwc->clearPen); - DeleteObject(pwc->clearBrush); - - _mesa_meta_free(ctx); - - _swsetup_DestroyContext(ctx); - _tnl_DestroyContext(ctx); - _vbo_DestroyContext(ctx); - _swrast_DestroyContext(ctx); - - _mesa_free_context_data(ctx); - free(pwc); -} - - -/** - * Create a new color renderbuffer. - */ -static struct gl_renderbuffer * -wmesa_new_renderbuffer(void) -{ - struct gl_renderbuffer *rb = CALLOC_STRUCT(gl_renderbuffer); - if (!rb) - return NULL; - - _mesa_init_renderbuffer(rb, (GLuint)0); - - rb->_BaseFormat = GL_RGBA; - rb->InternalFormat = GL_RGBA; - rb->DataType = CHAN_TYPE; - rb->Delete = wmesa_delete_renderbuffer; - rb->AllocStorage = wmesa_renderbuffer_storage; - return rb; -} - - -void WMesaMakeCurrent(WMesaContext c, HDC hdc) -{ - WMesaFramebuffer pwfb; - - { - /* return if already current */ - GET_CURRENT_CONTEXT(ctx); - WMesaContext pwc = wmesa_context(ctx); - if (pwc && c == pwc && pwc->hDC == hdc) - return; - } - - pwfb = wmesa_lookup_framebuffer(hdc); - - /* Lazy creation of framebuffers */ - if (c && !pwfb && hdc) { - struct gl_renderbuffer *rb; - struct gl_config *visual = &c->gl_ctx.Visual; - GLuint width, height; - - get_window_size(hdc, &width, &height); - - c->clearPen = CreatePen(PS_SOLID, 1, 0); - c->clearBrush = CreateSolidBrush(0); - - pwfb = wmesa_new_framebuffer(hdc, visual); - - /* Create back buffer if double buffered */ - if (visual->doubleBufferMode == 1) { - wmCreateBackingStore(pwfb, width, height); - } - - /* make render buffers */ - if (visual->doubleBufferMode == 1) { - rb = wmesa_new_renderbuffer(); - _mesa_add_renderbuffer(&pwfb->Base, BUFFER_BACK_LEFT, rb); - wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 1); - } - rb = wmesa_new_renderbuffer(); - _mesa_add_renderbuffer(&pwfb->Base, BUFFER_FRONT_LEFT, rb); - wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 0); - - /* Let Mesa own the Depth, Stencil, and Accum buffers */ - _mesa_add_soft_renderbuffers(&pwfb->Base, - GL_FALSE, /* color */ - visual->depthBits > 0, - visual->stencilBits > 0, - visual->accumRedBits > 0, - visual->alphaBits >0, - GL_FALSE); - } - - if (c && pwfb) - _mesa_make_current(&c->gl_ctx, &pwfb->Base, &pwfb->Base); - else - _mesa_make_current(NULL, NULL, NULL); -} - - -void WMesaSwapBuffers( HDC hdc ) -{ - GET_CURRENT_CONTEXT(ctx); - WMesaContext pwc = wmesa_context(ctx); - WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(hdc); - - if (!pwfb) { - _mesa_problem(NULL, "wmesa: swapbuffers on unknown hdc"); - return; - } - - /* If we're swapping the buffer associated with the current context - * we have to flush any pending rendering commands first. - */ - if (pwc->hDC == hdc) { - _mesa_notifySwapBuffers(ctx); - - BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height, - pwfb->dib_hDC, 0, 0, SRCCOPY); - } - else { - /* XXX for now only allow swapping current window */ - _mesa_problem(NULL, "wmesa: can't swap non-current window"); - } -} - -void WMesaShareLists(WMesaContext ctx_to_share, WMesaContext ctx) -{ - _mesa_share_state(&ctx->gl_ctx, &ctx_to_share->gl_ctx); -} - +/* + * Windows (Win32/Win64) device driver for Mesa + * + */ + +#include "wmesadef.h" +#include "colors.h" +#include "GL/wmesa.h" +#include +#include "main/context.h" +#include "main/extensions.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" +#include "main/macros.h" +#include "drivers/common/driverfuncs.h" +#include "drivers/common/meta.h" +#include "vbo/vbo.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" + + +/* linked list of our Framebuffers (windows) */ +static WMesaFramebuffer FirstFramebuffer = NULL; + + +/** + * Create a new WMesaFramebuffer object which will correspond to the + * given HDC (Window handle). + */ +static WMesaFramebuffer +wmesa_new_framebuffer(HDC hdc, struct gl_config *visual) +{ + WMesaFramebuffer pwfb + = (WMesaFramebuffer) malloc(sizeof(struct wmesa_framebuffer)); + if (pwfb) { + _mesa_initialize_window_framebuffer(&pwfb->Base, visual); + pwfb->hDC = hdc; + /* insert at head of list */ + pwfb->next = FirstFramebuffer; + FirstFramebuffer = pwfb; + } + return pwfb; +} + +/** + * Given an hdc, free the corresponding WMesaFramebuffer + */ +static void +wmesa_free_framebuffer(HDC hdc) +{ + WMesaFramebuffer pwfb, prev; + for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) { + if (pwfb->hDC == hdc) + break; + prev = pwfb; + } + if (pwfb) { + struct gl_framebuffer *fb; + if (pwfb == FirstFramebuffer) + FirstFramebuffer = pwfb->next; + else + prev->next = pwfb->next; + fb = &pwfb->Base; + _mesa_reference_framebuffer(&fb, NULL); + } +} + +/** + * Given an hdc, return the corresponding WMesaFramebuffer + */ +static WMesaFramebuffer +wmesa_lookup_framebuffer(HDC hdc) +{ + WMesaFramebuffer pwfb; + for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) { + if (pwfb->hDC == hdc) + return pwfb; + } + return NULL; +} + + +/** + * Given a struct gl_framebuffer, return the corresponding WMesaFramebuffer. + */ +static WMesaFramebuffer wmesa_framebuffer(struct gl_framebuffer *fb) +{ + return (WMesaFramebuffer) fb; +} + + +/** + * Given a struct gl_context, return the corresponding WMesaContext. + */ +static WMesaContext wmesa_context(const struct gl_context *ctx) +{ + return (WMesaContext) ctx; +} + + +/* + * Every driver should implement a GetString function in order to + * return a meaningful GL_RENDERER string. + */ +static const GLubyte *wmesa_get_string(struct gl_context *ctx, GLenum name) +{ + return (name == GL_RENDERER) ? + (GLubyte *) "Mesa Windows GDI Driver" : NULL; +} + + +/* + * Determine the pixel format based on the pixel size. + */ +static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC) +{ + pwfb->cColorBits = GetDeviceCaps(hDC, BITSPIXEL); + + /* Only 16 and 32 bit targets are supported now */ + assert(pwfb->cColorBits == 0 || + pwfb->cColorBits == 16 || + pwfb->cColorBits == 24 || + pwfb->cColorBits == 32); + + switch(pwfb->cColorBits){ + case 8: + pwfb->pixelformat = PF_INDEX8; + break; + case 16: + pwfb->pixelformat = PF_5R6G5B; + break; + case 24: + case 32: + pwfb->pixelformat = PF_8R8G8B; + break; + default: + pwfb->pixelformat = PF_BADFORMAT; + } +} + + +/** + * Create DIB for back buffer. + * We write into this memory with the span routines and then blit it + * to the window on a buffer swap. + */ +static BOOL wmCreateBackingStore(WMesaFramebuffer pwfb, long lxSize, long lySize) +{ + LPBITMAPINFO pbmi = &(pwfb->bmi); + HDC hic; + + pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + pbmi->bmiHeader.biWidth = lxSize; + pbmi->bmiHeader.biHeight= -lySize; + pbmi->bmiHeader.biPlanes = 1; + pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwfb->hDC, BITSPIXEL); + pbmi->bmiHeader.biCompression = BI_RGB; + pbmi->bmiHeader.biSizeImage = 0; + pbmi->bmiHeader.biXPelsPerMeter = 0; + pbmi->bmiHeader.biYPelsPerMeter = 0; + pbmi->bmiHeader.biClrUsed = 0; + pbmi->bmiHeader.biClrImportant = 0; + + pwfb->cColorBits = pbmi->bmiHeader.biBitCount; + pwfb->ScanWidth = (lxSize * (pwfb->cColorBits / 8) + 3) & ~3; + + hic = CreateIC("display", NULL, NULL, NULL); + pwfb->dib_hDC = CreateCompatibleDC(hic); + + pwfb->hbmDIB = CreateDIBSection(hic, + &pwfb->bmi, + DIB_RGB_COLORS, + (void **)&(pwfb->pbPixels), + 0, + 0); + pwfb->hOldBitmap = SelectObject(pwfb->dib_hDC, pwfb->hbmDIB); + + DeleteDC(hic); + + wmSetPixelFormat(pwfb, pwfb->hDC); + return TRUE; +} + + +static void wmDeleteBackingStore(WMesaFramebuffer pwfb) +{ + if (pwfb->hbmDIB) { + SelectObject(pwfb->dib_hDC, pwfb->hOldBitmap); + DeleteDC(pwfb->dib_hDC); + DeleteObject(pwfb->hbmDIB); + } +} + + +/** + * Find the width and height of the window named by hdc. + */ +static void +get_window_size(HDC hdc, GLuint *width, GLuint *height) +{ + if (WindowFromDC(hdc)) { + RECT rect; + GetClientRect(WindowFromDC(hdc), &rect); + *width = rect.right - rect.left; + *height = rect.bottom - rect.top; + } + else { /* Memory context */ + /* From contributed code - use the size of the desktop + * for the size of a memory context (?) */ + *width = GetDeviceCaps(hdc, HORZRES); + *height = GetDeviceCaps(hdc, VERTRES); + } +} + + +static void +wmesa_get_buffer_size(struct gl_framebuffer *buffer, GLuint *width, GLuint *height) +{ + WMesaFramebuffer pwfb = wmesa_framebuffer(buffer); + get_window_size(pwfb->hDC, width, height); +} + + +static void wmesa_flush(struct gl_context *ctx) +{ + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->WinSysDrawBuffer); + + if (ctx->Visual.doubleBufferMode == 1) { + BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height, + pwfb->dib_hDC, 0, 0, SRCCOPY); + } + else { + /* Do nothing for single buffer */ + } +} + + +/**********************************************************************/ +/***** CLEAR Functions *****/ +/**********************************************************************/ + +/* If we do not implement these, Mesa clears the buffers via the pixel + * span writing interface, which is very slow for a clear operation. + */ + +/* + * Set the color used to clear the color buffer. + */ +static void clear_color(struct gl_context *ctx, const GLfloat color[4]) +{ + WMesaContext pwc = wmesa_context(ctx); + GLubyte col[3]; + + CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); + pwc->clearColorRef = RGB(col[0], col[1], col[2]); + DeleteObject(pwc->clearPen); + DeleteObject(pwc->clearBrush); + pwc->clearPen = CreatePen(PS_SOLID, 1, pwc->clearColorRef); + pwc->clearBrush = CreateSolidBrush(pwc->clearColorRef); +} + + +/* + * Clear the specified region of the color buffer using the clear color + * or index as specified by one of the two functions above. + * + * This procedure clears either the front and/or the back COLOR buffers. + * Only the "left" buffer is cleared since we are not stereo. + * Clearing of the other non-color buffers is left to the swrast. + */ + +static void clear(struct gl_context *ctx, GLbitfield mask) +{ +#define FLIP(Y) (ctx->DrawBuffer->Height - (Y) - 1) + const GLint x = ctx->DrawBuffer->_Xmin; + const GLint y = ctx->DrawBuffer->_Ymin; + const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; + const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; + + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + int done = 0; + + /* Let swrast do all the work if the masks are not set to + * clear all channels. */ + if (!ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3]) { + _swrast_Clear(ctx, mask); + return; + } + + /* Back buffer */ + if (mask & BUFFER_BIT_BACK_LEFT) { + + int i, rowSize; + UINT bytesPerPixel = pwfb->cColorBits / 8; + LPBYTE lpb, clearRow; + LPWORD lpw; + BYTE bColor; + WORD wColor; + BYTE r, g, b; + DWORD dwColor; + LPDWORD lpdw; + + /* Try for a fast clear - clearing entire buffer with a single + * byte value. */ + if (width == ctx->DrawBuffer->Width && + height == ctx->DrawBuffer->Height) { /* entire buffer */ + /* Now check for an easy clear value */ + switch (bytesPerPixel) { + case 1: + bColor = BGR8(GetRValue(pwc->clearColorRef), + GetGValue(pwc->clearColorRef), + GetBValue(pwc->clearColorRef)); + memset(pwfb->pbPixels, bColor, + pwfb->ScanWidth * height); + done = 1; + break; + case 2: + wColor = BGR16(GetRValue(pwc->clearColorRef), + GetGValue(pwc->clearColorRef), + GetBValue(pwc->clearColorRef)); + if (((wColor >> 8) & 0xff) == (wColor & 0xff)) { + memset(pwfb->pbPixels, wColor & 0xff, + pwfb->ScanWidth * height); + done = 1; + } + break; + case 3: + /* fall through */ + case 4: + if (GetRValue(pwc->clearColorRef) == + GetGValue(pwc->clearColorRef) && + GetRValue(pwc->clearColorRef) == + GetBValue(pwc->clearColorRef)) { + memset(pwfb->pbPixels, + GetRValue(pwc->clearColorRef), + pwfb->ScanWidth * height); + done = 1; + } + break; + default: + break; + } + } /* all */ + + if (!done) { + /* Need to clear a row at a time. Begin by setting the first + * row in the area to be cleared to the clear color. */ + + clearRow = pwfb->pbPixels + + pwfb->ScanWidth * FLIP(y) + + bytesPerPixel * x; + switch (bytesPerPixel) { + case 1: + lpb = clearRow; + bColor = BGR8(GetRValue(pwc->clearColorRef), + GetGValue(pwc->clearColorRef), + GetBValue(pwc->clearColorRef)); + memset(lpb, bColor, width); + break; + case 2: + lpw = (LPWORD)clearRow; + wColor = BGR16(GetRValue(pwc->clearColorRef), + GetGValue(pwc->clearColorRef), + GetBValue(pwc->clearColorRef)); + for (i=0; iclearColorRef); + g = GetGValue(pwc->clearColorRef); + b = GetBValue(pwc->clearColorRef); + for (i=0; iclearColorRef), + GetGValue(pwc->clearColorRef), + GetBValue(pwc->clearColorRef)); + for (i=0; iScanWidth; + rowSize = width * bytesPerPixel; + for (i=1; iScanWidth; + } + } /* not done */ + mask &= ~BUFFER_BIT_BACK_LEFT; + } /* back buffer */ + + /* front buffer */ + if (mask & BUFFER_BIT_FRONT_LEFT) { + HDC DC = pwc->hDC; + HPEN Old_Pen = SelectObject(DC, pwc->clearPen); + HBRUSH Old_Brush = SelectObject(DC, pwc->clearBrush); + Rectangle(DC, + x, + FLIP(y) + 1, + x + width + 1, + FLIP(y) - height + 1); + SelectObject(DC, Old_Pen); + SelectObject(DC, Old_Brush); + mask &= ~BUFFER_BIT_FRONT_LEFT; + } /* front buffer */ + + /* Call swrast if there is anything left to clear (like DEPTH) */ + if (mask) + _swrast_Clear(ctx, mask); + +#undef FLIP +} + + +/**********************************************************************/ +/***** PIXEL Functions *****/ +/**********************************************************************/ + +#define FLIP(Y) (rb->Height - (Y) - 1) + + +/** + ** Front Buffer reading/writing + ** These are slow, but work with all non-indexed visual types. + **/ + +/* Write a horizontal span of RGBA color pixels with a boolean mask. */ +static void write_rgba_span_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, + const GLubyte *mask) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(pwc->hDC); + HBITMAP bmp=0; + HDC mdc=0; + typedef union + { + unsigned i; + struct { + unsigned b:8, g:8, r:8, a:8; + }; + } BGRA; + BGRA *bgra, c; + GLuint i; + + if (n < 16) { // the value 16 is just guessed + y=FLIP(y); + if (mask) { + for (i=0; ihDC, x+i, y, + RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); + } + else { + for (i=0; ihDC, x+i, y, + RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); + } + } + else { + if (!pwfb) { + _mesa_problem(NULL, "wmesa: write_rgba_span_front on unknown hdc"); + return; + } + bgra=malloc(n*sizeof(BGRA)); + if (!bgra) { + _mesa_problem(NULL, "wmesa: write_rgba_span_front: out of memory"); + return; + } + c.a=0; + if (mask) { + for (i=0; ihDC); + SelectObject(mdc, bmp); + y=FLIP(y); + BitBlt(pwfb->hDC, x, y, n, 1, mdc, 0, 0, SRCCOPY); + SelectObject(mdc, 0); + DeleteObject(bmp); + DeleteDC(mdc); + free(bgra); + } +} + +/* Write a horizontal span of RGB color pixels with a boolean mask. */ +static void write_rgb_span_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, + const GLubyte *mask) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3])values; + WMesaContext pwc = wmesa_context(ctx); + GLuint i; + + (void) ctx; + y=FLIP(y); + if (mask) { + for (i=0; ihDC, x+i, y, RGB(rgb[i][RCOMP], rgb[i][GCOMP], + rgb[i][BCOMP])); + } + else { + for (i=0; ihDC, x+i, y, RGB(rgb[i][RCOMP], rgb[i][GCOMP], + rgb[i][BCOMP])); + } + +} + +/* + * Write a horizontal span of pixels with a boolean mask. The current color + * is used for all pixels. + */ +static void write_mono_rgba_span_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *value, + const GLubyte *mask) +{ + const GLchan *color = (const GLchan *)value; + GLuint i; + WMesaContext pwc = wmesa_context(ctx); + COLORREF colorref; + + (void) ctx; + colorref = RGB(color[RCOMP], color[GCOMP], color[BCOMP]); + y=FLIP(y); + if (mask) { + for (i=0; ihDC, x+i, y, colorref); + } + else + for (i=0; ihDC, x+i, y, colorref); + +} + +/* Write an array of RGBA pixels with a boolean mask. */ +static void write_rgba_pixels_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, + const GLint x[], const GLint y[], + const void *values, + const GLubyte *mask) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; + GLuint i; + WMesaContext pwc = wmesa_context(ctx); + (void) ctx; + for (i=0; ihDC, x[i], FLIP(y[i]), + RGB(rgba[i][RCOMP], rgba[i][GCOMP], + rgba[i][BCOMP])); +} + + + +/* + * Write an array of pixels with a boolean mask. The current color + * is used for all pixels. + */ +static void write_mono_rgba_pixels_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, + const GLint x[], const GLint y[], + const void *value, + const GLubyte *mask) +{ + const GLchan *color = (const GLchan *)value; + GLuint i; + WMesaContext pwc = wmesa_context(ctx); + COLORREF colorref; + (void) ctx; + colorref = RGB(color[RCOMP], color[GCOMP], color[BCOMP]); + for (i=0; ihDC, x[i], FLIP(y[i]), colorref); +} + +/* Read a horizontal span of color pixels. */ +static void read_rgba_span_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + void *values) +{ + GLubyte (*rgba)[4] = (GLubyte (*)[4])values; + WMesaContext pwc = wmesa_context(ctx); + GLuint i; + COLORREF Color; + y = FLIP(y); + for (i=0; ihDC, x+i, y); + rgba[i][RCOMP] = GetRValue(Color); + rgba[i][GCOMP] = GetGValue(Color); + rgba[i][BCOMP] = GetBValue(Color); + rgba[i][ACOMP] = 255; + } +} + + +/* Read an array of color pixels. */ +static void read_rgba_pixels_front(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + void *values) +{ + GLubyte (*rgba)[4] = (GLubyte (*)[4])values; + WMesaContext pwc = wmesa_context(ctx); + GLuint i; + COLORREF Color; + for (i=0; ihDC, x[i], y2); + rgba[i][RCOMP] = GetRValue(Color); + rgba[i][GCOMP] = GetGValue(Color); + rgba[i][BCOMP] = GetBValue(Color); + rgba[i][ACOMP] = 255; + } +} + +/*********************************************************************/ + +/* DOUBLE BUFFER 32-bit */ + +#define WMSETPIXEL32(pwc, y, x, r, g, b) { \ +LPDWORD lpdw = ((LPDWORD)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (x)); \ +*lpdw = BGR32((r),(g),(b)); } + + + +/* Write a horizontal span of RGBA color pixels with a boolean mask. */ +static void write_rgba_span_32(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, + const GLubyte *mask) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + GLuint i; + LPDWORD lpdw; + + (void) ctx; + + y=FLIP(y); + lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + if (mask) { + for (i=0; iDrawBuffer); + GLuint i; + LPDWORD lpdw; + + (void) ctx; + + y=FLIP(y); + lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + if (mask) { + for (i=0; iDrawBuffer); + lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + y=FLIP(y); + pixel = BGR32(color[RCOMP], color[GCOMP], color[BCOMP]); + if (mask) { + for (i=0; iDrawBuffer); + for (i=0; iDrawBuffer); + for (i=0; iDrawBuffer); + + y = FLIP(y); + lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + for (i=0; i> 16); + rgba[i][GCOMP] = (GLubyte)((pixel & 0x0000ff00) >> 8); + rgba[i][BCOMP] = (GLubyte)(pixel & 0x000000ff); + rgba[i][ACOMP] = 255; + } +} + + +/* Read an array of color pixels. */ +static void read_rgba_pixels_32(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + void *values) +{ + GLubyte (*rgba)[4] = (GLubyte (*)[4])values; + GLuint i; + DWORD pixel; + LPDWORD lpdw; + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + + for (i=0; ipbPixels + pwfb->ScanWidth * y2)) + x[i]; + pixel = *lpdw; + rgba[i][RCOMP] = (GLubyte)((pixel & 0x00ff0000) >> 16); + rgba[i][GCOMP] = (GLubyte)((pixel & 0x0000ff00) >> 8); + rgba[i][BCOMP] = (GLubyte)(pixel & 0x000000ff); + rgba[i][ACOMP] = 255; + } +} + + +/*********************************************************************/ + +/* DOUBLE BUFFER 24-bit */ + +#define WMSETPIXEL24(pwc, y, x, r, g, b) { \ +LPBYTE lpb = ((LPBYTE)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (3 * x)); \ +lpb[0] = (b); \ +lpb[1] = (g); \ +lpb[2] = (r); } + +/* Write a horizontal span of RGBA color pixels with a boolean mask. */ +static void write_rgba_span_24(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, + const GLubyte *mask) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + GLuint i; + LPBYTE lpb; + + (void) ctx; + + y=FLIP(y); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + if (mask) { + for (i=0; iDrawBuffer); + GLuint i; + LPBYTE lpb; + + (void) ctx; + + y=FLIP(y); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + if (mask) { + for (i=0; iDrawBuffer); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + y=FLIP(y); + if (mask) { + for (i=0; iDrawBuffer); + for (i=0; iDrawBuffer); + for (i=0; iDrawBuffer); + + y = FLIP(y); + lpb = ((LPBYTE)(pwfb->pbPixels + pwfb->ScanWidth * y)) + (3 * x); + for (i=0; iDrawBuffer); + + for (i=0; ipbPixels + pwfb->ScanWidth * y2)) + (3 * x[i]); + rgba[i][RCOMP] = lpb[3*i+2]; + rgba[i][GCOMP] = lpb[3*i+1]; + rgba[i][BCOMP] = lpb[3*i]; + rgba[i][ACOMP] = 255; + } +} + + +/*********************************************************************/ + +/* DOUBLE BUFFER 16-bit */ + +#define WMSETPIXEL16(pwc, y, x, r, g, b) { \ +LPWORD lpw = ((LPWORD)((pwc)->pbPixels + (pwc)->ScanWidth * (y)) + (x)); \ +*lpw = BGR16((r),(g),(b)); } + + + +/* Write a horizontal span of RGBA color pixels with a boolean mask. */ +static void write_rgba_span_16(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, + const GLubyte *mask) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4])values; + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + GLuint i; + LPWORD lpw; + + (void) ctx; + + y=FLIP(y); + lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + if (mask) { + for (i=0; iDrawBuffer); + GLuint i; + LPWORD lpw; + + (void) ctx; + + y=FLIP(y); + lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + if (mask) { + for (i=0; iDrawBuffer); + (void) ctx; + lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + y=FLIP(y); + pixel = BGR16(color[RCOMP], color[GCOMP], color[BCOMP]); + if (mask) { + for (i=0; iDrawBuffer); + (void) ctx; + for (i=0; iDrawBuffer); + (void) ctx; + for (i=0; iDrawBuffer); + + y = FLIP(y); + lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x; + for (i=0; i> 7; + rgba[i][GCOMP] = (pixel & 0x03e0) >> 2; + rgba[i][BCOMP] = (pixel & 0x001f) << 3; + rgba[i][ACOMP] = 255; + } +} + + +/* Read an array of color pixels. */ +static void read_rgba_pixels_16(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + void *values) +{ + GLubyte (*rgba)[4] = (GLubyte (*)[4])values; + GLuint i, pixel; + LPWORD lpw; + WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer); + + for (i=0; ipbPixels + pwfb->ScanWidth * y2)) + x[i]; + pixel = *lpw; + /* Windows uses 5,5,5 for 16-bit */ + rgba[i][RCOMP] = (pixel & 0x7c00) >> 7; + rgba[i][GCOMP] = (pixel & 0x03e0) >> 2; + rgba[i][BCOMP] = (pixel & 0x001f) << 3; + rgba[i][ACOMP] = 255; + } +} + + + + +/**********************************************************************/ +/***** BUFFER Functions *****/ +/**********************************************************************/ + + + + +static void +wmesa_delete_renderbuffer(struct gl_renderbuffer *rb) +{ + free(rb); +} + + +/** + * This is called by Mesa whenever it determines that the window size + * has changed. Do whatever's needed to cope with that. + */ +static GLboolean +wmesa_renderbuffer_storage(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLenum internalFormat, + GLuint width, + GLuint height) +{ + rb->Width = width; + rb->Height = height; + return GL_TRUE; +} + + +/** + * Plug in the Get/PutRow/Values functions for a renderbuffer depending + * on if we're drawing to the front or back color buffer. + */ +static void +wmesa_set_renderbuffer_funcs(struct gl_renderbuffer *rb, int pixelformat, + int cColorBits, int double_buffer) +{ + if (double_buffer) { + /* back buffer */ + /* Picking the correct span functions is important because + * the DIB was allocated with the indicated depth. */ + switch(pixelformat) { + case PF_5R6G5B: + rb->PutRow = write_rgba_span_16; + rb->PutRowRGB = write_rgb_span_16; + rb->PutMonoRow = write_mono_rgba_span_16; + rb->PutValues = write_rgba_pixels_16; + rb->PutMonoValues = write_mono_rgba_pixels_16; + rb->GetRow = read_rgba_span_16; + rb->GetValues = read_rgba_pixels_16; + break; + case PF_8R8G8B: + if (cColorBits == 24) + { + rb->PutRow = write_rgba_span_24; + rb->PutRowRGB = write_rgb_span_24; + rb->PutMonoRow = write_mono_rgba_span_24; + rb->PutValues = write_rgba_pixels_24; + rb->PutMonoValues = write_mono_rgba_pixels_24; + rb->GetRow = read_rgba_span_24; + rb->GetValues = read_rgba_pixels_24; + } + else + { + rb->PutRow = write_rgba_span_32; + rb->PutRowRGB = write_rgb_span_32; + rb->PutMonoRow = write_mono_rgba_span_32; + rb->PutValues = write_rgba_pixels_32; + rb->PutMonoValues = write_mono_rgba_pixels_32; + rb->GetRow = read_rgba_span_32; + rb->GetValues = read_rgba_pixels_32; + } + break; + default: + break; + } + } + else { + /* front buffer (actual Windows window) */ + rb->PutRow = write_rgba_span_front; + rb->PutRowRGB = write_rgb_span_front; + rb->PutMonoRow = write_mono_rgba_span_front; + rb->PutValues = write_rgba_pixels_front; + rb->PutMonoValues = write_mono_rgba_pixels_front; + rb->GetRow = read_rgba_span_front; + rb->GetValues = read_rgba_pixels_front; + } +} + +/** + * Called by ctx->Driver.ResizeBuffers() + * Resize the front/back colorbuffers to match the latest window size. + */ +static void +wmesa_resize_buffers(struct gl_context *ctx, struct gl_framebuffer *buffer, + GLuint width, GLuint height) +{ + WMesaFramebuffer pwfb = wmesa_framebuffer(buffer); + + if (pwfb->Base.Width != width || pwfb->Base.Height != height) { + /* Realloc back buffer */ + if (ctx->Visual.doubleBufferMode == 1) { + wmDeleteBackingStore(pwfb); + wmCreateBackingStore(pwfb, width, height); + } + } + _mesa_resize_framebuffer(ctx, buffer, width, height); +} + + +/** + * Called by glViewport. + * This is a good time for us to poll the current window size and adjust + * our renderbuffers to match the current window size. + * Remember, we have no opportunity to respond to conventional + * resize events since the driver has no event loop. + * Thus, we poll. + * MakeCurrent also ends up making a call here, so that ensures + * we get the viewport set correctly, even if the app does not call + * glViewport and relies on the defaults. + */ +static void wmesa_viewport(struct gl_context *ctx, + GLint x, GLint y, + GLsizei width, GLsizei height) +{ + GLuint new_width, new_height; + + wmesa_get_buffer_size(ctx->WinSysDrawBuffer, &new_width, &new_height); + + /** + * Resize buffers if the window size changed. + */ + wmesa_resize_buffers(ctx, ctx->WinSysDrawBuffer, new_width, new_height); + ctx->NewState |= _NEW_BUFFERS; /* to update scissor / window bounds */ +} + + + + +/** + * Called when the driver should update it's state, based on the new_state + * flags. + */ +static void wmesa_update_state(struct gl_context *ctx, GLuint new_state) +{ + _swrast_InvalidateState(ctx, new_state); + _swsetup_InvalidateState(ctx, new_state); + _vbo_InvalidateState(ctx, new_state); + _tnl_InvalidateState(ctx, new_state); + + /* TODO - This code is not complete yet because I + * don't know what to do for all state updates. + */ + + if (new_state & _NEW_BUFFERS) { + } +} + + + + + +/**********************************************************************/ +/***** WMESA Functions *****/ +/**********************************************************************/ + +WMesaContext WMesaCreateContext(HDC hDC, + HPALETTE* Pal, + GLboolean rgb_flag, + GLboolean db_flag, + GLboolean alpha_flag) +{ + WMesaContext c; + struct dd_function_table functions; + GLint red_bits, green_bits, blue_bits, alpha_bits; + struct gl_context *ctx; + struct gl_config *visual; + + (void) Pal; + + /* Indexed mode not supported */ + if (!rgb_flag) + return NULL; + + /* Allocate wmesa context */ + c = CALLOC_STRUCT(wmesa_context); + if (!c) + return NULL; + +#if 0 + /* I do not understand this contributed code */ + /* Support memory and device contexts */ + if(WindowFromDC(hDC) != NULL) { + c->hDC = GetDC(WindowFromDC(hDC)); /* huh ???? */ + } + else { + c->hDC = hDC; + } +#else + c->hDC = hDC; +#endif + + /* Get data for visual */ + /* Dealing with this is actually a bit of overkill because Mesa will end + * up treating all color component size requests less than 8 by using + * a single byte per channel. In addition, the interface to the span + * routines passes colors as an entire byte per channel anyway, so there + * is nothing to be saved by telling the visual to be 16 bits if the device + * is 16 bits. That is, Mesa is going to compute colors down to 8 bits per + * channel anyway. + * But we go through the motions here anyway. + */ + switch (GetDeviceCaps(c->hDC, BITSPIXEL)) { + case 16: + red_bits = green_bits = blue_bits = 5; + alpha_bits = 0; + break; + default: + red_bits = green_bits = blue_bits = 8; + alpha_bits = 8; + break; + } + /* Create visual based on flags */ + visual = _mesa_create_visual(db_flag, /* db_flag */ + GL_FALSE, /* stereo */ + red_bits, green_bits, blue_bits, /* color RGB */ + alpha_flag ? alpha_bits : 0, /* color A */ + DEFAULT_SOFTWARE_DEPTH_BITS, /* depth_bits */ + 8, /* stencil_bits */ + 16,16,16, /* accum RGB */ + alpha_flag ? 16 : 0, /* accum A */ + 1); /* num samples */ + + if (!visual) { + free(c); + return NULL; + } + + /* Set up driver functions */ + _mesa_init_driver_functions(&functions); + functions.GetString = wmesa_get_string; + functions.UpdateState = wmesa_update_state; + functions.GetBufferSize = wmesa_get_buffer_size; + functions.Flush = wmesa_flush; + functions.Clear = clear; + functions.ClearColor = clear_color; + functions.ResizeBuffers = wmesa_resize_buffers; + functions.Viewport = wmesa_viewport; + + /* initialize the Mesa context data */ + ctx = &c->gl_ctx; + _mesa_initialize_context(ctx, API_OPENGL, visual, + NULL, &functions, (void *)c); + + /* visual no longer needed - it was copied by _mesa_initialize_context() */ + _mesa_destroy_visual(visual); + + _mesa_enable_sw_extensions(ctx); + _mesa_enable_1_3_extensions(ctx); + _mesa_enable_1_4_extensions(ctx); + _mesa_enable_1_5_extensions(ctx); + _mesa_enable_2_0_extensions(ctx); + _mesa_enable_2_1_extensions(ctx); + + _mesa_meta_init(ctx); + + /* Initialize the software rasterizer and helper modules. */ + if (!_swrast_CreateContext(ctx) || + !_vbo_CreateContext(ctx) || + !_tnl_CreateContext(ctx) || + !_swsetup_CreateContext(ctx)) { + _mesa_free_context_data(ctx); + free(c); + return NULL; + } + _swsetup_Wakeup(ctx); + TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; + + return c; +} + + +void WMesaDestroyContext( WMesaContext pwc ) +{ + struct gl_context *ctx = &pwc->gl_ctx; + WMesaFramebuffer pwfb; + GET_CURRENT_CONTEXT(cur_ctx); + + if (cur_ctx == ctx) { + /* unbind current if deleting current context */ + WMesaMakeCurrent(NULL, NULL); + } + + /* clean up frame buffer resources */ + pwfb = wmesa_lookup_framebuffer(pwc->hDC); + if (pwfb) { + if (ctx->Visual.doubleBufferMode == 1) + wmDeleteBackingStore(pwfb); + wmesa_free_framebuffer(pwc->hDC); + } + + /* Release for device, not memory contexts */ + if (WindowFromDC(pwc->hDC) != NULL) + { + ReleaseDC(WindowFromDC(pwc->hDC), pwc->hDC); + } + DeleteObject(pwc->clearPen); + DeleteObject(pwc->clearBrush); + + _mesa_meta_free(ctx); + + _swsetup_DestroyContext(ctx); + _tnl_DestroyContext(ctx); + _vbo_DestroyContext(ctx); + _swrast_DestroyContext(ctx); + + _mesa_free_context_data(ctx); + free(pwc); +} + + +/** + * Create a new color renderbuffer. + */ +static struct gl_renderbuffer * +wmesa_new_renderbuffer(void) +{ + struct gl_renderbuffer *rb = CALLOC_STRUCT(gl_renderbuffer); + if (!rb) + return NULL; + + _mesa_init_renderbuffer(rb, (GLuint)0); + + rb->_BaseFormat = GL_RGBA; + rb->InternalFormat = GL_RGBA; + rb->DataType = CHAN_TYPE; + rb->Delete = wmesa_delete_renderbuffer; + rb->AllocStorage = wmesa_renderbuffer_storage; + return rb; +} + + +void WMesaMakeCurrent(WMesaContext c, HDC hdc) +{ + WMesaFramebuffer pwfb; + + { + /* return if already current */ + GET_CURRENT_CONTEXT(ctx); + WMesaContext pwc = wmesa_context(ctx); + if (pwc && c == pwc && pwc->hDC == hdc) + return; + } + + pwfb = wmesa_lookup_framebuffer(hdc); + + /* Lazy creation of framebuffers */ + if (c && !pwfb && hdc) { + struct gl_renderbuffer *rb; + struct gl_config *visual = &c->gl_ctx.Visual; + GLuint width, height; + + get_window_size(hdc, &width, &height); + + c->clearPen = CreatePen(PS_SOLID, 1, 0); + c->clearBrush = CreateSolidBrush(0); + + pwfb = wmesa_new_framebuffer(hdc, visual); + + /* Create back buffer if double buffered */ + if (visual->doubleBufferMode == 1) { + wmCreateBackingStore(pwfb, width, height); + } + + /* make render buffers */ + if (visual->doubleBufferMode == 1) { + rb = wmesa_new_renderbuffer(); + _mesa_add_renderbuffer(&pwfb->Base, BUFFER_BACK_LEFT, rb); + wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 1); + } + rb = wmesa_new_renderbuffer(); + _mesa_add_renderbuffer(&pwfb->Base, BUFFER_FRONT_LEFT, rb); + wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, pwfb->cColorBits, 0); + + /* Let Mesa own the Depth, Stencil, and Accum buffers */ + _mesa_add_soft_renderbuffers(&pwfb->Base, + GL_FALSE, /* color */ + visual->depthBits > 0, + visual->stencilBits > 0, + visual->accumRedBits > 0, + visual->alphaBits >0, + GL_FALSE); + } + + if (c && pwfb) + _mesa_make_current(&c->gl_ctx, &pwfb->Base, &pwfb->Base); + else + _mesa_make_current(NULL, NULL, NULL); +} + + +void WMesaSwapBuffers( HDC hdc ) +{ + GET_CURRENT_CONTEXT(ctx); + WMesaContext pwc = wmesa_context(ctx); + WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(hdc); + + if (!pwfb) { + _mesa_problem(NULL, "wmesa: swapbuffers on unknown hdc"); + return; + } + + /* If we're swapping the buffer associated with the current context + * we have to flush any pending rendering commands first. + */ + if (pwc->hDC == hdc) { + _mesa_notifySwapBuffers(ctx); + + BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height, + pwfb->dib_hDC, 0, 0, SRCCOPY); + } + else { + /* XXX for now only allow swapping current window */ + _mesa_problem(NULL, "wmesa: can't swap non-current window"); + } +} + +void WMesaShareLists(WMesaContext ctx_to_share, WMesaContext ctx) +{ + _mesa_share_state(&ctx->gl_ctx, &ctx_to_share->gl_ctx); +} + diff --git a/mesalib/src/mesa/drivers/windows/gdi/wmesadef.h b/mesalib/src/mesa/drivers/windows/gdi/wmesadef.h index 344f9488b..9fda88390 100644 --- a/mesalib/src/mesa/drivers/windows/gdi/wmesadef.h +++ b/mesalib/src/mesa/drivers/windows/gdi/wmesadef.h @@ -1,43 +1,43 @@ -#ifndef WMESADEF_H -#define WMESADEF_H - -#include - -#include "main/context.h" - - -/** - * The Windows Mesa rendering context, derived from struct gl_context. - */ -struct wmesa_context { - struct gl_context gl_ctx; /* The core GL/Mesa context */ - HDC hDC; - COLORREF clearColorRef; - HPEN clearPen; - HBRUSH clearBrush; -}; - - -/** - * Windows framebuffer, derived from gl_framebuffer - */ -struct wmesa_framebuffer -{ - struct gl_framebuffer Base; - HDC hDC; - int pixelformat; - GLuint ScanWidth; - int cColorBits; - /* back buffer DIB fields */ - HDC dib_hDC; - BITMAPINFO bmi; - HBITMAP hbmDIB; - HBITMAP hOldBitmap; - PBYTE pbPixels; - struct wmesa_framebuffer *next; -}; - -typedef struct wmesa_framebuffer *WMesaFramebuffer; - - -#endif /* WMESADEF_H */ +#ifndef WMESADEF_H +#define WMESADEF_H + +#include + +#include "main/context.h" + + +/** + * The Windows Mesa rendering context, derived from struct gl_context. + */ +struct wmesa_context { + struct gl_context gl_ctx; /* The core GL/Mesa context */ + HDC hDC; + COLORREF clearColorRef; + HPEN clearPen; + HBRUSH clearBrush; +}; + + +/** + * Windows framebuffer, derived from gl_framebuffer + */ +struct wmesa_framebuffer +{ + struct gl_framebuffer Base; + HDC hDC; + int pixelformat; + GLuint ScanWidth; + int cColorBits; + /* back buffer DIB fields */ + HDC dib_hDC; + BITMAPINFO bmi; + HBITMAP hbmDIB; + HBITMAP hOldBitmap; + PBYTE pbPixels; + struct wmesa_framebuffer *next; +}; + +typedef struct wmesa_framebuffer *WMesaFramebuffer; + + +#endif /* WMESADEF_H */ -- cgit v1.2.3