diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.c | 233 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.h | 32 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.c | 483 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.h | 52 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/glxheader.h | 63 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_api.c | 2675 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_buffer.c | 115 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_dd.c | 1201 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_line.c | 674 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c | 4799 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_tri.c | 1623 | ||||
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xmesaP.h | 554 |
12 files changed, 12504 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.c b/nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.c new file mode 100644 index 000000000..0177490f7 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.c @@ -0,0 +1,233 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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 "glheader.h" +#include "imports.h" +#include "buffers.h" +#include "context.h" +#include "framebuffer.h" +#include "program.h" +#include "renderbuffer.h" +#include "texcompress.h" +#include "texformat.h" +#include "teximage.h" +#include "texobj.h" +#include "texstore.h" +#if FEATURE_ARB_vertex_buffer_object +#include "bufferobj.h" +#endif +#if FEATURE_EXT_framebuffer_object +#include "fbobject.h" +#include "texrender.h" +#endif + +#include "driverfuncs.h" +#include "swrast/swrast.h" +#include "tnl/tnl.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) +{ + _mesa_bzero(driver, 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->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_get_teximage; + driver->CopyTexImage1D = _swrast_copy_teximage1d; + driver->CopyTexImage2D = _swrast_copy_teximage2d; + driver->CopyTexSubImage1D = _swrast_copy_texsubimage1d; + driver->CopyTexSubImage2D = _swrast_copy_texsubimage2d; + driver->CopyTexSubImage3D = _swrast_copy_texsubimage3d; + 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->CompressedTextureSize = _mesa_compressed_texture_size; + driver->BindTexture = NULL; + driver->NewTextureObject = _mesa_new_texture_object; + driver->DeleteTexture = _mesa_delete_texture_object; + driver->NewTextureImage = _mesa_new_texture_image; + driver->FreeTexImageData = _mesa_free_texture_image_data; + driver->TextureMemCpy = _mesa_memcpy; + driver->IsTextureResident = NULL; + driver->PrioritizeTexture = NULL; + driver->ActiveTexture = NULL; + driver->UpdateTexturePalette = NULL; + + /* imaging */ + driver->CopyColorTable = _swrast_CopyColorTable; + driver->CopyColorSubTable = _swrast_CopyColorSubTable; + driver->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; + driver->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; + + /* 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->ClearIndex = NULL; + driver->ClearStencil = NULL; + driver->ClipPlane = NULL; + driver->ColorMask = NULL; + driver->ColorMaterial = NULL; + driver->CullFace = NULL; + driver->DrawBuffer = _swrast_DrawBuffer; + driver->DrawBuffers = NULL; /***_swrast_DrawBuffers;***/ + driver->FrontFace = NULL; + driver->DepthFunc = NULL; + driver->DepthMask = NULL; + driver->DepthRange = NULL; + driver->Enable = NULL; + driver->Fogfv = NULL; + driver->Hint = NULL; + driver->IndexMask = 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->StencilFunc = NULL; + driver->StencilMask = NULL; + driver->StencilOp = NULL; + driver->ActiveStencilFace = NULL; + driver->TexGen = NULL; + driver->TexEnv = NULL; + driver->TexParameter = NULL; + driver->TextureMatrix = NULL; + driver->Viewport = NULL; + + /* vertex arrays */ + driver->VertexPointer = NULL; + driver->NormalPointer = NULL; + driver->ColorPointer = NULL; + driver->FogCoordPointer = NULL; + driver->IndexPointer = NULL; + driver->SecondaryColorPointer = NULL; + driver->TexCoordPointer = NULL; + driver->EdgeFlagPointer = NULL; + driver->VertexAttribPointer = NULL; + driver->LockArraysEXT = NULL; + driver->UnlockArraysEXT = NULL; + + /* state queries */ + driver->GetBooleanv = NULL; + driver->GetDoublev = NULL; + driver->GetFloatv = NULL; + driver->GetIntegerv = NULL; + driver->GetPointerv = NULL; + +#if FEATURE_ARB_vertex_buffer_object + driver->NewBufferObject = _mesa_new_buffer_object; + driver->DeleteBuffer = _mesa_delete_buffer_object; + driver->BindBuffer = NULL; + driver->BufferData = _mesa_buffer_data; + driver->BufferSubData = _mesa_buffer_subdata; + driver->GetBufferSubData = _mesa_buffer_get_subdata; + driver->MapBuffer = _mesa_buffer_map; + driver->UnmapBuffer = _mesa_buffer_unmap; +#endif + +#if FEATURE_EXT_framebuffer_object + driver->NewFramebuffer = _mesa_new_framebuffer; + driver->NewRenderbuffer = _mesa_new_soft_renderbuffer; + driver->RenderbufferTexture = _mesa_renderbuffer_texture; + driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer; +#endif + + /* T&L stuff */ + driver->NeedValidate = GL_FALSE; + driver->ValidateTnlModule = NULL; + driver->CurrentExecPrimitive = 0; + driver->CurrentSavePrimitive = 0; + driver->NeedFlush = 0; + driver->SaveNeedFlush = 0; + + driver->FlushVertices = NULL; + driver->SaveFlushVertices = NULL; + driver->NotifySaveBegin = NULL; + driver->LightingSpaceChange = NULL; + driver->MakeCurrent = NULL; + driver->ProgramStringNotify = _tnl_program_string; + + /* display list */ + driver->NewList = NULL; + driver->EndList = NULL; + driver->BeginCallList = NULL; + driver->EndCallList = NULL; +} diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.h b/nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.h new file mode 100644 index 000000000..64f56d91f --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/common/driverfuncs.h @@ -0,0 +1,32 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 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. + */ + + +#ifndef DRIVERFUNCS_H +#define DRIVERFUNCS_H + +extern void +_mesa_init_driver_functions(struct dd_function_table *driver); + +#endif diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.c new file mode 100644 index 000000000..7d4d06ab8 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.c @@ -0,0 +1,483 @@ +/* + * (C) Copyright IBM Corporation 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. + */ + +/** + * \file glcontextmodes.c + * Utility routines for working with \c __GLcontextModes structures. At + * some point most or all of these functions will be moved to the Mesa + * code base. + * + * \author Ian Romanick <idr@us.ibm.com> + */ + +# include <stdlib.h> +# include <string.h> + +#if defined(IN_MINI_GLX) +# include <GL/gl.h> +# include "GL/internal/dri_interface.h" +# include "imports.h" +#else +# include <nx-X11/X.h> +# include <GL/glx.h> +# include "GL/glxint.h" +#endif /* !defined(IN_MINI_GLX) */ + +#include "glcontextmodes.h" + +#if !defined(IN_MINI_GLX) +#define NUM_VISUAL_TYPES 6 + +/** + * Convert an X visual type to a GLX visual type. + * + * \param visualType X visual type (i.e., \c TrueColor, \c StaticGray, etc.) + * to be converted. + * \return If \c visualType is a valid X visual type, a GLX visual type will + * be returned. Otherwise \c GLX_NONE will be returned. + */ +GLint +_gl_convert_from_x_visual_type( int visualType ) +{ + static const int glx_visual_types[ NUM_VISUAL_TYPES ] = { + GLX_STATIC_GRAY, GLX_GRAY_SCALE, + GLX_STATIC_COLOR, GLX_PSEUDO_COLOR, + GLX_TRUE_COLOR, GLX_DIRECT_COLOR + }; + + return ( (unsigned) visualType < NUM_VISUAL_TYPES ) + ? glx_visual_types[ visualType ] : GLX_NONE; +} + + +/** + * Convert a GLX visual type to an X visual type. + * + * \param visualType GLX visual type (i.e., \c GLX_TRUE_COLOR, + * \c GLX_STATIC_GRAY, etc.) to be converted. + * \return If \c visualType is a valid GLX visual type, an X visual type will + * be returned. Otherwise -1 will be returned. + */ +GLint +_gl_convert_to_x_visual_type( int visualType ) +{ + static const int x_visual_types[ NUM_VISUAL_TYPES ] = { + TrueColor, DirectColor, + PseudoColor, StaticColor, + GrayScale, StaticGray + }; + + return ( (unsigned) (visualType - GLX_TRUE_COLOR) <= NUM_VISUAL_TYPES ) + ? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1; +} + + +/** + * Copy a GLX visual config structure to a GL context mode structure. All + * of the fields in \c config are copied to \c mode. Additional fields in + * \c mode that can be derrived from the fields of \c config (i.e., + * \c haveDepthBuffer) are also filled in. The remaining fields in \c mode + * that cannot be derrived are set to default values. + * + * \param mode Destination GL context mode. + * \param config Source GLX visual config. + * + * \note + * The \c fbconfigID and \c visualID fields of the \c __GLcontextModes + * structure will be set to the \c vid of the \c __GLXvisualConfig structure. + */ +void +_gl_copy_visual_to_context_mode( __GLcontextModes * mode, + const __GLXvisualConfig * config ) +{ + __GLcontextModes * const next = mode->next; + + (void) memset( mode, 0, sizeof( __GLcontextModes ) ); + mode->next = next; + + mode->visualID = config->vid; + mode->visualType = _gl_convert_from_x_visual_type( config->class ); + mode->xRenderable = GL_TRUE; + mode->fbconfigID = config->vid; + mode->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT; + + mode->rgbMode = (config->rgba != 0); + mode->renderType = (mode->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT; + + mode->colorIndexMode = !(mode->rgbMode); + mode->doubleBufferMode = (config->doubleBuffer != 0); + mode->stereoMode = (config->stereo != 0); + + mode->haveAccumBuffer = ((config->accumRedSize + + config->accumGreenSize + + config->accumBlueSize + + config->accumAlphaSize) > 0); + mode->haveDepthBuffer = (config->depthSize > 0); + mode->haveStencilBuffer = (config->stencilSize > 0); + + mode->redBits = config->redSize; + mode->greenBits = config->greenSize; + mode->blueBits = config->blueSize; + mode->alphaBits = config->alphaSize; + mode->redMask = config->redMask; + mode->greenMask = config->greenMask; + mode->blueMask = config->blueMask; + mode->alphaMask = config->alphaMask; + mode->rgbBits = mode->rgbMode ? config->bufferSize : 0; + mode->indexBits = mode->colorIndexMode ? config->bufferSize : 0; + + mode->accumRedBits = config->accumRedSize; + mode->accumGreenBits = config->accumGreenSize; + mode->accumBlueBits = config->accumBlueSize; + mode->accumAlphaBits = config->accumAlphaSize; + mode->depthBits = config->depthSize; + mode->stencilBits = config->stencilSize; + + mode->numAuxBuffers = config->auxBuffers; + mode->level = config->level; + + mode->visualRating = config->visualRating; + mode->transparentPixel = config->transparentPixel; + mode->transparentRed = config->transparentRed; + mode->transparentGreen = config->transparentGreen; + mode->transparentBlue = config->transparentBlue; + mode->transparentAlpha = config->transparentAlpha; + mode->transparentIndex = config->transparentIndex; + + mode->swapMethod = GLX_SWAP_UNDEFINED_OML; +} + + +/** + * Get data from a GL context mode. + * + * \param mode GL context mode whose data is to be returned. + * \param attribute Attribute of \c mode that is to be returned. + * \param value_return Location to store the data member of \c mode. + * \return If \c attribute is a valid attribute of \c mode, zero is + * returned. Otherwise \c GLX_BAD_ATTRIBUTE is returned. + */ +int +_gl_get_context_mode_data(const __GLcontextModes *mode, int attribute, + int *value_return) +{ + switch (attribute) { + case GLX_USE_GL: + *value_return = GL_TRUE; + return 0; + case GLX_BUFFER_SIZE: + *value_return = mode->rgbBits; + return 0; + case GLX_RGBA: + *value_return = mode->rgbMode; + return 0; + case GLX_RED_SIZE: + *value_return = mode->redBits; + return 0; + case GLX_GREEN_SIZE: + *value_return = mode->greenBits; + return 0; + case GLX_BLUE_SIZE: + *value_return = mode->blueBits; + return 0; + case GLX_ALPHA_SIZE: + *value_return = mode->alphaBits; + return 0; + case GLX_DOUBLEBUFFER: + *value_return = mode->doubleBufferMode; + return 0; + case GLX_STEREO: + *value_return = mode->stereoMode; + return 0; + case GLX_AUX_BUFFERS: + *value_return = mode->numAuxBuffers; + return 0; + case GLX_DEPTH_SIZE: + *value_return = mode->depthBits; + return 0; + case GLX_STENCIL_SIZE: + *value_return = mode->stencilBits; + return 0; + case GLX_ACCUM_RED_SIZE: + *value_return = mode->accumRedBits; + return 0; + case GLX_ACCUM_GREEN_SIZE: + *value_return = mode->accumGreenBits; + return 0; + case GLX_ACCUM_BLUE_SIZE: + *value_return = mode->accumBlueBits; + return 0; + case GLX_ACCUM_ALPHA_SIZE: + *value_return = mode->accumAlphaBits; + return 0; + case GLX_LEVEL: + *value_return = mode->level; + return 0; + case GLX_TRANSPARENT_TYPE_EXT: + *value_return = mode->transparentPixel; + return 0; + case GLX_TRANSPARENT_RED_VALUE: + *value_return = mode->transparentRed; + return 0; + case GLX_TRANSPARENT_GREEN_VALUE: + *value_return = mode->transparentGreen; + return 0; + case GLX_TRANSPARENT_BLUE_VALUE: + *value_return = mode->transparentBlue; + return 0; + case GLX_TRANSPARENT_ALPHA_VALUE: + *value_return = mode->transparentAlpha; + return 0; + case GLX_TRANSPARENT_INDEX_VALUE: + *value_return = mode->transparentIndex; + return 0; + case GLX_X_VISUAL_TYPE: + *value_return = mode->visualType; + return 0; + case GLX_CONFIG_CAVEAT: + *value_return = mode->visualRating; + return 0; + case GLX_VISUAL_ID: + *value_return = mode->visualID; + return 0; + case GLX_DRAWABLE_TYPE: + *value_return = mode->drawableType; + return 0; + case GLX_RENDER_TYPE: + *value_return = mode->renderType; + return 0; + case GLX_X_RENDERABLE: + *value_return = mode->xRenderable; + return 0; + case GLX_FBCONFIG_ID: + *value_return = mode->fbconfigID; + return 0; + case GLX_MAX_PBUFFER_WIDTH: + *value_return = mode->maxPbufferWidth; + return 0; + case GLX_MAX_PBUFFER_HEIGHT: + *value_return = mode->maxPbufferHeight; + return 0; + case GLX_MAX_PBUFFER_PIXELS: + *value_return = mode->maxPbufferPixels; + return 0; + case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX: + *value_return = mode->optimalPbufferWidth; + return 0; + case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX: + *value_return = mode->optimalPbufferHeight; + return 0; + case GLX_SWAP_METHOD_OML: + *value_return = mode->swapMethod; + return 0; + case GLX_SAMPLE_BUFFERS_SGIS: + *value_return = mode->sampleBuffers; + return 0; + case GLX_SAMPLES_SGIS: + *value_return = mode->samples; + return 0; + + /* Applications are NOT allowed to query GLX_VISUAL_SELECT_GROUP_SGIX. + * It is ONLY for communication between the GLX client and the GLX + * server. + */ + case GLX_VISUAL_SELECT_GROUP_SGIX: + default: + return GLX_BAD_ATTRIBUTE; + } +} +#endif /* !defined(IN_MINI_GLX) */ + + +/** + * Allocate a linked list of \c __GLcontextModes structures. The fields of + * each structure will be initialized to "reasonable" default values. In + * most cases this is the default value defined by table 3.4 of the GLX + * 1.3 specification. This means that most values are either initialized to + * zero or \c GLX_DONT_CARE (which is -1). As support for additional + * extensions is added, the new values will be initialized to appropriate + * values from the extension specification. + * + * \param count Number of structures to allocate. + * \param minimum_size Minimum size of a structure to allocate. This allows + * for differences in the version of the + * \c __GLcontextModes stucture used in libGL and in a + * DRI-based driver. + * \returns A pointer to the first element in a linked list of \c count + * stuctures on success, or \c NULL on failure. + * + * \warning Use of \c minimum_size does \b not guarantee binary compatibility. + * The fundamental assumption is that if the \c minimum_size + * specified by the driver and the size of the \c __GLcontextModes + * structure in libGL is the same, then the meaning of each byte in + * the structure is the same in both places. \b Be \b careful! + * Basically this means that fields have to be added in libGL and + * then propagated to drivers. Drivers should \b never arbitrarilly + * extend the \c __GLcontextModes data-structure. + */ +__GLcontextModes * +_gl_context_modes_create( unsigned count, size_t minimum_size ) +{ + const size_t size = (minimum_size > sizeof( __GLcontextModes )) + ? minimum_size : sizeof( __GLcontextModes ); + __GLcontextModes * base = NULL; + __GLcontextModes ** next; + unsigned i; + + next = & base; + for ( i = 0 ; i < count ; i++ ) { + *next = (__GLcontextModes *) malloc( size ); + if ( *next == NULL ) { + _gl_context_modes_destroy( base ); + base = NULL; + break; + } + + (void) memset( *next, 0, size ); + (*next)->visualID = GLX_DONT_CARE; + (*next)->visualType = GLX_DONT_CARE; + (*next)->visualRating = GLX_NONE; + (*next)->transparentPixel = GLX_NONE; + (*next)->transparentRed = GLX_DONT_CARE; + (*next)->transparentGreen = GLX_DONT_CARE; + (*next)->transparentBlue = GLX_DONT_CARE; + (*next)->transparentAlpha = GLX_DONT_CARE; + (*next)->transparentIndex = GLX_DONT_CARE; + (*next)->xRenderable = GLX_DONT_CARE; + (*next)->fbconfigID = GLX_DONT_CARE; + (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML; + + next = & ((*next)->next); + } + + return base; +} + + +/** + * Destroy a linked list of \c __GLcontextModes structures created by + * \c _gl_context_modes_create. + * + * \param modes Linked list of structures to be destroyed. All structres + * in the list will be freed. + */ +void +_gl_context_modes_destroy( __GLcontextModes * modes ) +{ + while ( modes != NULL ) { + __GLcontextModes * const next = modes->next; + + free( modes ); + modes = next; + } +} + + +/** + * Find a context mode matching a Visual ID. + * + * \param modes List list of context-mode structures to be searched. + * \param vid Visual ID to be found. + * \returns A pointer to a context-mode in \c modes if \c vid was found in + * the list, or \c NULL if it was not. + */ + +__GLcontextModes * +_gl_context_modes_find_visual( __GLcontextModes * modes, int vid ) +{ + while ( modes != NULL ) { + if ( modes->visualID == vid ) { + break; + } + + modes = modes->next; + } + + return modes; +} + + +/** + * Determine if two context-modes are the same. This is intended to be used + * by libGL implementations to compare to sets of driver generated FBconfigs. + * + * \param a Context-mode to be compared. + * \param b Context-mode to be compared. + * \returns \c GL_TRUE if the two context-modes are the same. \c GL_FALSE is + * returned otherwise. + */ +GLboolean +_gl_context_modes_are_same( const __GLcontextModes * a, + const __GLcontextModes * b ) +{ + return( (a->rgbMode == b->rgbMode) && + (a->floatMode == b->floatMode) && + (a->colorIndexMode == b->colorIndexMode) && + (a->doubleBufferMode == b->doubleBufferMode) && + (a->stereoMode == b->stereoMode) && + (a->redBits == b->redBits) && + (a->greenBits == b->greenBits) && + (a->blueBits == b->blueBits) && + (a->alphaBits == b->alphaBits) && +#if 0 /* For some reason these don't get set on the client-side in libGL. */ + (a->redMask == b->redMask) && + (a->greenMask == b->greenMask) && + (a->blueMask == b->blueMask) && + (a->alphaMask == b->alphaMask) && +#endif + (a->rgbBits == b->rgbBits) && + (a->indexBits == b->indexBits) && + (a->accumRedBits == b->accumRedBits) && + (a->accumGreenBits == b->accumGreenBits) && + (a->accumBlueBits == b->accumBlueBits) && + (a->accumAlphaBits == b->accumAlphaBits) && + (a->depthBits == b->depthBits) && + (a->stencilBits == b->stencilBits) && + (a->numAuxBuffers == b->numAuxBuffers) && + (a->level == b->level) && + (a->pixmapMode == b->pixmapMode) && + (a->visualRating == b->visualRating) && + + (a->transparentPixel == b->transparentPixel) && + + ((a->transparentPixel != GLX_TRANSPARENT_RGB) || + ((a->transparentRed == b->transparentRed) && + (a->transparentGreen == b->transparentGreen) && + (a->transparentBlue == b->transparentBlue) && + (a->transparentAlpha == b->transparentAlpha))) && + + ((a->transparentPixel != GLX_TRANSPARENT_INDEX) || + (a->transparentIndex == b->transparentIndex)) && + + (a->sampleBuffers == b->sampleBuffers) && + (a->samples == b->samples) && + ((a->drawableType & b->drawableType) != 0) && + (a->renderType == b->renderType) && + (a->maxPbufferWidth == b->maxPbufferWidth) && + (a->maxPbufferHeight == b->maxPbufferHeight) && + (a->maxPbufferPixels == b->maxPbufferPixels) && + (a->optimalPbufferWidth == b->optimalPbufferWidth) && + (a->optimalPbufferHeight == b->optimalPbufferHeight) && + (a->swapMethod == b->swapMethod) ); +} diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.h new file mode 100644 index 000000000..4b5c6f68b --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/common/glcontextmodes.h @@ -0,0 +1,52 @@ +/* + * (C) Copyright IBM Corporation 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. + */ + +/** + * \file glcontextmodes.h + * \author Ian Romanick <idr@us.ibm.com> + */ + +#ifndef GLCONTEXTMODES_H +#define GLCONTEXTMODES_H + +#include "GL/internal/glcore.h" + +#if !defined(IN_MINI_GLX) +extern GLint _gl_convert_from_x_visual_type( int visualType ); +extern GLint _gl_convert_to_x_visual_type( int visualType ); +extern void _gl_copy_visual_to_context_mode( __GLcontextModes * mode, + const __GLXvisualConfig * config ); +extern int _gl_get_context_mode_data( const __GLcontextModes *mode, + int attribute, int *value_return ); +#endif /* !defined(IN_MINI_GLX) */ + +extern __GLcontextModes * _gl_context_modes_create( unsigned count, + size_t minimum_size ); +extern void _gl_context_modes_destroy( __GLcontextModes * modes ); +extern __GLcontextModes * _gl_context_modes_find_visual( + __GLcontextModes * modes, int vid ); +extern GLboolean _gl_context_modes_are_same( const __GLcontextModes * a, + const __GLcontextModes * b ); + +#endif /* GLCONTEXTMODES_H */ diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/glxheader.h b/nx-X11/extras/Mesa/src/mesa/drivers/x11/glxheader.h new file mode 100644 index 000000000..6a1f2ed20 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/glxheader.h @@ -0,0 +1,63 @@ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 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. + */ + + +#ifndef GLX_HEADER_H +#define GLX_HEADER_H + +#ifdef __VMS +#include <GL/vms_x_fix.h> +#endif + +#include "glheader.h" + +#ifdef XFree86Server + +# include "resource.h" +# include "windowstr.h" +# include "gcstruct.h" +# include "xf86glx_util.h" + +#else + +# include <nx-X11/Xlib.h> +# include <nx-X11/Xutil.h> +# ifdef USE_XSHM /* was SHM */ +# include <sys/ipc.h> +# include <sys/shm.h> +# include <X11/extensions/XShm.h> +# endif +# include <GL/glx.h> + +#endif + + + +/* this silences a compiler warning on several systems */ +struct timespec; +struct itimerspec; + + +#endif /*GLX_HEADER*/ diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_api.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_api.c new file mode 100644 index 000000000..6ed2be564 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_api.c @@ -0,0 +1,2675 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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. + */ + +/* + * This file contains the implementations of all the XMesa* functions. + * + * + * NOTES: + * + * The window coordinate system origin (0,0) is in the lower-left corner + * of the window. X11's window coordinate origin is in the upper-left + * corner of the window. Therefore, most drawing functions in this + * file have to flip Y coordinates. + * + * Define USE_XSHM in the Makefile with -DUSE_XSHM if you want to compile + * in support for the MIT Shared Memory extension. If enabled, when you + * use an Ximage for the back buffer in double buffered mode, the "swap" + * operation will be faster. You must also link with -lXext. + * + * Byte swapping: If the Mesa host and the X display use a different + * byte order then there's some trickiness to be aware of when using + * XImages. The byte ordering used for the XImage is that of the X + * display, not the Mesa host. + * The color-to-pixel encoding for True/DirectColor must be done + * according to the display's visual red_mask, green_mask, and blue_mask. + * If XPutPixel is used to put a pixel into an XImage then XPutPixel will + * do byte swapping if needed. If one wants to directly "poke" the pixel + * into the XImage's buffer then the pixel must be byte swapped first. In + * Mesa, when byte swapping is needed we use the PF_TRUECOLOR pixel format + * and use XPutPixel everywhere except in the implementation of + * glClear(GL_COLOR_BUFFER_BIT). We want this function to be fast so + * instead of using XPutPixel we "poke" our values after byte-swapping + * the clear pixel value if needed. + * + */ + +#ifdef __CYGWIN__ +#undef WIN32 +#undef __WIN32__ +#endif + +#include "glxheader.h" +#include "GL/xmesa.h" +#include "xmesaP.h" +#include "context.h" +#include "extensions.h" +#include "framebuffer.h" +#include "glthread.h" +#include "imports.h" +#include "matrix.h" +#include "mtypes.h" +#include "macros.h" +#include "renderbuffer.h" +#include "texformat.h" +#include "texobj.h" +#include "texstore.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "array_cache/acache.h" +#include "tnl/tnl.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" +#include "drivers/common/driverfuncs.h" + +#ifdef XFree86Server +#include <GL/glxtokens.h> +#endif + +/* + * Global X driver lock + */ +_glthread_Mutex _xmesa_lock; + + + +/* + * Lookup tables for HPCR pixel format: + */ +static short hpcr_rgbTbl[3][256] = { +{ + 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, + 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, + 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, +112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, +128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, +144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, +160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, +176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, +192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, +208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, +224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239 +}, +{ + 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, + 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, + 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, +112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, +128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, +144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, +160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, +176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, +192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, +208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, +224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239 +}, +{ + 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, + 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 46, 46, 47, 47, + 48, 48, 49, 49, 50, 50, 51, 51, 52, 52, 53, 53, 54, 54, 55, 55, + 56, 56, 57, 57, 58, 58, 59, 59, 60, 60, 61, 61, 62, 62, 63, 63, + 64, 64, 65, 65, 66, 66, 67, 67, 68, 68, 69, 69, 70, 70, 71, 71, + 72, 72, 73, 73, 74, 74, 75, 75, 76, 76, 77, 77, 78, 78, 79, 79, + 80, 80, 81, 81, 82, 82, 83, 83, 84, 84, 85, 85, 86, 86, 87, 87, + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, +112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, +128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, +144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, +160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, +176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, +192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, +208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223 +} +}; + + + +/**********************************************************************/ +/***** X Utility Functions *****/ +/**********************************************************************/ + + +/* + * Return the host's byte order as LSBFirst or MSBFirst ala X. + */ +#ifndef XFree86Server +static int host_byte_order( void ) +{ + int i = 1; + char *cptr = (char *) &i; + return (*cptr==1) ? LSBFirst : MSBFirst; +} +#endif + + +/* + * Error handling. + */ +#ifndef XFree86Server +static volatile int mesaXErrorFlag = 0; + +static int mesaHandleXError( XMesaDisplay *dpy, XErrorEvent *event ) +{ + (void) dpy; + (void) event; + mesaXErrorFlag = 1; + return 0; +} +#endif + + +/* + * Check if the X Shared Memory extension is available. + * Return: 0 = not available + * 1 = shared XImage support available + * 2 = shared Pixmap support available also + */ +#ifndef XFree86Server +static int check_for_xshm( XMesaDisplay *display ) +{ +#ifdef USE_XSHM + int major, minor, ignore; + Bool pixmaps; + + if (XQueryExtension( display, "MIT-SHM", &ignore, &ignore, &ignore )) { + if (XShmQueryVersion( display, &major, &minor, &pixmaps )==True) { + return (pixmaps==True) ? 2 : 1; + } + else { + return 0; + } + } + else { + return 0; + } +#else + /* Can't compile XSHM support */ + return 0; +#endif +} +#endif + + +/* + * Apply gamma correction to an intensity value in [0..max]. Return the + * new intensity value. + */ +static GLint gamma_adjust( GLfloat gamma, GLint value, GLint max ) +{ + if (gamma == 1.0) { + return value; + } + else { + double x = (double) value / (double) max; + return IROUND_POS((GLfloat) max * _mesa_pow(x, 1.0F/gamma)); + } +} + + + +/* + * Return the true number of bits per pixel for XImages. + * For example, if we request a 24-bit deep visual we may actually need/get + * 32bpp XImages. This function returns the appropriate bpp. + * Input: dpy - the X display + * visinfo - desribes the visual to be used for XImages + * Return: true number of bits per pixel for XImages + */ +#ifdef XFree86Server + +static int bits_per_pixel( XMesaVisual xmv ) +{ + const int depth = xmv->nplanes; + int i; + for (i = 0; i < screenInfo.numPixmapFormats; i++) { + if (screenInfo.formats[i].depth == depth) + return screenInfo.formats[i].bitsPerPixel; + } + return depth; /* should never get here, but this should be safe */ +} + +#else + +static int bits_per_pixel( XMesaVisual xmv ) +{ + XMesaDisplay *dpy = xmv->display; + XMesaVisualInfo visinfo = xmv->visinfo; + XMesaImage *img; + int bitsPerPixel; + /* Create a temporary XImage */ + img = XCreateImage( dpy, visinfo->visual, visinfo->depth, + ZPixmap, 0, /*format, offset*/ + (char*) MALLOC(8), /*data*/ + 1, 1, /*width, height*/ + 32, /*bitmap_pad*/ + 0 /*bytes_per_line*/ + ); + assert(img); + /* grab the bits/pixel value */ + bitsPerPixel = img->bits_per_pixel; + /* free the XImage */ + _mesa_free( img->data ); + img->data = NULL; + XMesaDestroyImage( img ); + return bitsPerPixel; +} +#endif + + + +/* + * Determine if a given X window ID is valid (window exists). + * Do this by calling XGetWindowAttributes() for the window and + * checking if we catch an X error. + * Input: dpy - the display + * win - the window to check for existance + * Return: GL_TRUE - window exists + * GL_FALSE - window doesn't exist + */ +#ifndef XFree86Server +static GLboolean WindowExistsFlag; + +static int window_exists_err_handler( XMesaDisplay* dpy, XErrorEvent* xerr ) +{ + (void) dpy; + if (xerr->error_code == BadWindow) { + WindowExistsFlag = GL_FALSE; + } + return 0; +} + +static GLboolean window_exists( XMesaDisplay *dpy, Window win ) +{ + XWindowAttributes wa; + int (*old_handler)( XMesaDisplay*, XErrorEvent* ); + WindowExistsFlag = GL_TRUE; + old_handler = XSetErrorHandler(window_exists_err_handler); + XGetWindowAttributes( dpy, win, &wa ); /* dummy request */ + XSetErrorHandler(old_handler); + return WindowExistsFlag; +} +#endif + + + +/**********************************************************************/ +/***** Linked list of XMesaBuffers *****/ +/**********************************************************************/ + +static XMesaBuffer XMesaBufferList = NULL; + + +/** + * Allocate a new XMesaBuffer, initialize basic fields and add to + * the list of all buffers. + */ +static XMesaBuffer +alloc_xmesa_buffer(XMesaVisual vis, BufferType type, XMesaColormap cmap) +{ + XMesaBuffer b = (XMesaBuffer) CALLOC_STRUCT(xmesa_buffer); + if (b) { + GLboolean swAlpha; + + b->display = vis->display; + b->xm_visual = vis; + b->type = type; + b->cmap = cmap; + + _mesa_initialize_framebuffer(&b->mesa_buffer, &vis->mesa_visual); + + /* determine back buffer implementation */ + if (vis->mesa_visual.doubleBufferMode) { + if (vis->ximage_flag) { + b->db_state = BACK_XIMAGE; + } + else { + b->db_state = BACK_PIXMAP; + } + } + else { + b->db_state = 0; + } + + /* Allocate the framebuffer's renderbuffers */ + assert(!b->mesa_buffer.Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + assert(!b->mesa_buffer.Attachment[BUFFER_BACK_LEFT].Renderbuffer); + + /* front renderbuffer */ + b->frontxrb = xmesa_new_renderbuffer(NULL, 0, vis->mesa_visual.rgbMode); + _mesa_add_renderbuffer(&b->mesa_buffer, BUFFER_FRONT_LEFT, + &b->frontxrb->Base); + + /* back renderbuffer */ + if (vis->mesa_visual.doubleBufferMode) { + b->backxrb =xmesa_new_renderbuffer(NULL, 0, vis->mesa_visual.rgbMode); + _mesa_add_renderbuffer(&b->mesa_buffer, BUFFER_BACK_LEFT, + &b->backxrb->Base); + } + + /* determine if we need software alpha planes */ + if (vis->mesa_visual.alphaBits > 0 + && vis->undithered_pf != PF_8A8B8G8R + && vis->undithered_pf != PF_8A8R8G8B) { + /* Visual has alpha, but pixel format doesn't support it. + * We'll use an alpha renderbuffer wrapper. + */ + swAlpha = GL_TRUE; + } + else { + swAlpha = GL_FALSE; + } + + _mesa_add_soft_renderbuffers(&b->mesa_buffer, + GL_FALSE, /* color */ + vis->mesa_visual.haveDepthBuffer, + vis->mesa_visual.haveStencilBuffer, + vis->mesa_visual.haveAccumBuffer, + swAlpha, + vis->mesa_visual.numAuxBuffers > 0 ); + + /* insert into linked list */ + b->Next = XMesaBufferList; + XMesaBufferList = b; + } + return b; +} + + +/* + * Find an XMesaBuffer by matching X display and colormap but NOT matching + * the notThis buffer. + */ +static XMesaBuffer find_xmesa_buffer(XMesaDisplay *dpy, + XMesaColormap cmap, + XMesaBuffer notThis) +{ + XMesaBuffer b; + for (b=XMesaBufferList; b; b=b->Next) { + if (b->display==dpy && b->cmap==cmap && b!=notThis) { + return b; + } + } + return NULL; +} + + +/* + * Free an XMesaBuffer, remove from linked list, perhaps free X colormap + * entries. + */ +static void free_xmesa_buffer(int client, XMesaBuffer buffer) +{ + XMesaBuffer prev = NULL, b; + (void) client; + for (b=XMesaBufferList; b; b=b->Next) { + if (b==buffer) { + /* unlink bufer from list */ + if (prev) + prev->Next = buffer->Next; + else + XMesaBufferList = buffer->Next; + /* Check to free X colors */ + if (buffer->num_alloced>0) { + /* If no other buffer uses this X colormap then free the colors. */ + if (!find_xmesa_buffer(buffer->display, buffer->cmap, buffer)) { +#ifdef XFree86Server + (void)FreeColors(buffer->cmap, client, + buffer->num_alloced, buffer->alloced_colors, + 0); +#else + XFreeColors(buffer->display, buffer->cmap, + buffer->alloced_colors, buffer->num_alloced, 0); +#endif + } + } + + _mesa_free_framebuffer_data(&buffer->mesa_buffer); + _mesa_free(buffer); + + return; + } + /* continue search */ + prev = b; + } + /* buffer not found in XMesaBufferList */ + _mesa_problem(NULL,"free_xmesa_buffer() - buffer not found\n"); +} + + +/* Copy X color table stuff from one XMesaBuffer to another. */ +static void copy_colortable_info(XMesaBuffer dst, const XMesaBuffer src) +{ + MEMCPY(dst->color_table, src->color_table, sizeof(src->color_table)); + MEMCPY(dst->pixel_to_r, src->pixel_to_r, sizeof(src->pixel_to_r)); + MEMCPY(dst->pixel_to_g, src->pixel_to_g, sizeof(src->pixel_to_g)); + MEMCPY(dst->pixel_to_b, src->pixel_to_b, sizeof(src->pixel_to_b)); + dst->num_alloced = src->num_alloced; + MEMCPY(dst->alloced_colors, src->alloced_colors, + sizeof(src->alloced_colors)); +} + + + +/**********************************************************************/ +/***** Misc Private Functions *****/ +/**********************************************************************/ + + +/* + * Return number of bits set in n. + */ +static int bitcount( unsigned long n ) +{ + int bits; + for (bits=0; n>0; n=n>>1) { + if (n&1) { + bits++; + } + } + return bits; +} + + + +/** + * Allocate a shared memory XImage back buffer for the given XMesaBuffer. + * Return: GL_TRUE if success, GL_FALSE if error + */ +#ifndef XFree86Server +static GLboolean +alloc_shm_back_buffer(XMesaBuffer b, GLuint width, GLuint height) +{ +#ifdef USE_XSHM + /* + * We have to do a _lot_ of error checking here to be sure we can + * really use the XSHM extension. It seems different servers trigger + * errors at different points if the extension won't work. Therefore + * we have to be very careful... + */ + GC gc; + int (*old_handler)( XMesaDisplay *, XErrorEvent * ); + + if (width == 0 || height == 0) { + /* this will be true the first time we're called on 'b' */ + return GL_FALSE; + } + + b->backxrb->ximage = XShmCreateImage(b->xm_visual->display, + b->xm_visual->visinfo->visual, + b->xm_visual->visinfo->depth, + ZPixmap, NULL, &b->shminfo, + width, height); + if (b->backxrb->ximage == NULL) { + _mesa_warning(NULL, "alloc_back_buffer: Shared memory error (XShmCreateImage), disabling."); + b->shm = 0; + return GL_FALSE; + } + + b->shminfo.shmid = shmget( IPC_PRIVATE, b->backxrb->ximage->bytes_per_line + * b->backxrb->ximage->height, IPC_CREAT|0777 ); + if (b->shminfo.shmid < 0) { + _mesa_warning(NULL, "shmget failed while allocating back buffer"); + XDestroyImage( b->backxrb->ximage ); + b->backxrb->ximage = NULL; + _mesa_warning(NULL, "alloc_back_buffer: Shared memory error (shmget), disabling."); + b->shm = 0; + return GL_FALSE; + } + + b->shminfo.shmaddr = b->backxrb->ximage->data + = (char*)shmat( b->shminfo.shmid, 0, 0 ); + if (b->shminfo.shmaddr == (char *) -1) { + _mesa_warning(NULL, "shmat() failed while allocating back buffer"); + XDestroyImage( b->backxrb->ximage ); + shmctl( b->shminfo.shmid, IPC_RMID, 0 ); + b->backxrb->ximage = NULL; + _mesa_warning(NULL, "alloc_back_buffer: Shared memory error (shmat), disabling."); + b->shm = 0; + return GL_FALSE; + } + + b->shminfo.readOnly = False; + mesaXErrorFlag = 0; + old_handler = XSetErrorHandler( mesaHandleXError ); + /* This may trigger the X protocol error we're ready to catch: */ + XShmAttach( b->xm_visual->display, &b->shminfo ); + XSync( b->xm_visual->display, False ); + + if (mesaXErrorFlag) { + /* we are on a remote display, this error is normal, don't print it */ + XFlush( b->xm_visual->display ); + mesaXErrorFlag = 0; + XDestroyImage( b->backxrb->ximage ); + shmdt( b->shminfo.shmaddr ); + shmctl( b->shminfo.shmid, IPC_RMID, 0 ); + b->backxrb->ximage = NULL; + b->shm = 0; + (void) XSetErrorHandler( old_handler ); + return GL_FALSE; + } + + shmctl( b->shminfo.shmid, IPC_RMID, 0 ); /* nobody else needs it */ + + /* Finally, try an XShmPutImage to be really sure the extension works */ + gc = XCreateGC( b->xm_visual->display, b->frontxrb->drawable, 0, NULL ); + XShmPutImage( b->xm_visual->display, b->frontxrb->drawable, gc, + b->backxrb->ximage, 0, 0, 0, 0, 1, 1 /*one pixel*/, False ); + XSync( b->xm_visual->display, False ); + XFreeGC( b->xm_visual->display, gc ); + (void) XSetErrorHandler( old_handler ); + if (mesaXErrorFlag) { + XFlush( b->xm_visual->display ); + mesaXErrorFlag = 0; + XDestroyImage( b->backxrb->ximage ); + shmdt( b->shminfo.shmaddr ); + shmctl( b->shminfo.shmid, IPC_RMID, 0 ); + b->backxrb->ximage = NULL; + b->shm = 0; + return GL_FALSE; + } + + return GL_TRUE; +#else + /* Can't compile XSHM support */ + return GL_FALSE; +#endif +} +#endif + + + + +/* + * Setup an off-screen pixmap or Ximage to use as the back buffer. + * Input: b - the X/Mesa buffer + */ +void +xmesa_alloc_back_buffer( XMesaBuffer b, GLuint width, GLuint height ) +{ + if (width == 0 || height == 0) + return; + + if (b->db_state == BACK_XIMAGE) { + /* Deallocate the old backxrb->ximage, if any */ + if (b->backxrb->ximage) { +#if defined(USE_XSHM) && !defined(XFree86Server) + if (b->shm) { + XShmDetach( b->xm_visual->display, &b->shminfo ); + XDestroyImage( b->backxrb->ximage ); + shmdt( b->shminfo.shmaddr ); + } + else +#endif + XMesaDestroyImage( b->backxrb->ximage ); + b->backxrb->ximage = NULL; + } + + /* Allocate new back buffer */ +#ifdef XFree86Server + { + /* Allocate a regular XImage for the back buffer. */ + b->backxrb->ximage = XMesaCreateImage(b->xm_visual->BitsPerPixel, + width, height, NULL); +#else + if (b->shm == 0 || !alloc_shm_back_buffer(b, width, height)) { + /* Allocate a regular XImage for the back buffer. */ + b->backxrb->ximage = XCreateImage( b->xm_visual->display, + b->xm_visual->visinfo->visual, + GET_VISUAL_DEPTH(b->xm_visual), + ZPixmap, 0, /* format, offset */ + NULL, + width, height, + 8, 0 ); /* pad, bytes_per_line */ +#endif + if (!b->backxrb->ximage) { + _mesa_warning(NULL, "alloc_back_buffer: XCreateImage failed."); + } + b->backxrb->ximage->data = (char *) MALLOC( b->backxrb->ximage->height + * b->backxrb->ximage->bytes_per_line ); + if (!b->backxrb->ximage->data) { + _mesa_warning(NULL, "alloc_back_buffer: MALLOC failed."); + XMesaDestroyImage( b->backxrb->ximage ); + b->backxrb->ximage = NULL; + } + /* this call just updates the width/origin fields in the xrb */ + b->backxrb->Base.AllocStorage(NULL, &b->backxrb->Base, + b->backxrb->Base.InternalFormat, + b->backxrb->ximage->width, + b->backxrb->ximage->height); + } + b->backxrb->pixmap = None; + } + else if (b->db_state==BACK_PIXMAP) { + if (!width) + width = 1; + if (!height) + height = 1; + + /* Free the old back pixmap */ + if (b->backxrb->pixmap) { + XMesaFreePixmap( b->xm_visual->display, b->backxrb->pixmap ); + } + /* Allocate new back pixmap */ + b->backxrb->pixmap = XMesaCreatePixmap( b->xm_visual->display, + b->frontxrb->drawable, + width, height, + GET_VISUAL_DEPTH(b->xm_visual) ); + b->backxrb->ximage = NULL; + } +} + + + +/* + * A replacement for XAllocColor. This function should never + * fail to allocate a color. When XAllocColor fails, we return + * the nearest matching color. If we have to allocate many colors + * this function isn't too efficient; the XQueryColors() could be + * done just once. + * Written by Michael Pichler, Brian Paul, Mark Kilgard + * Input: dpy - X display + * cmap - X colormap + * cmapSize - size of colormap + * In/Out: color - the XColor struct + * Output: exact - 1=exact color match, 0=closest match + * alloced - 1=XAlloc worked, 0=XAlloc failed + */ +static void +noFaultXAllocColor( int client, + XMesaDisplay *dpy, + XMesaColormap cmap, + int cmapSize, + XMesaColor *color, + int *exact, int *alloced ) +{ +#ifdef XFree86Server + Pixel *ppixIn; + xrgb *ctable; +#else + /* we'll try to cache ctable for better remote display performance */ + static Display *prevDisplay = NULL; + static XMesaColormap prevCmap = 0; + static int prevCmapSize = 0; + static XMesaColor *ctable = NULL; +#endif + XMesaColor subColor; + int i, bestmatch; + double mindist; /* 3*2^16^2 exceeds long int precision. */ + + (void) client; + + /* First try just using XAllocColor. */ +#ifdef XFree86Server + if (AllocColor(cmap, + &color->red, &color->green, &color->blue, + &color->pixel, + client) == Success) { +#else + if (XAllocColor(dpy, cmap, color)) { +#endif + *exact = 1; + *alloced = 1; + return; + } + + /* Alloc failed, search for closest match */ + + /* Retrieve color table entries. */ + /* XXX alloca candidate. */ +#ifdef XFree86Server + ppixIn = (Pixel *) MALLOC(cmapSize * sizeof(Pixel)); + ctable = (xrgb *) MALLOC(cmapSize * sizeof(xrgb)); + for (i = 0; i < cmapSize; i++) { + ppixIn[i] = i; + } + QueryColors(cmap, cmapSize, ppixIn, ctable); +#else + if (prevDisplay != dpy || prevCmap != cmap + || prevCmapSize != cmapSize || !ctable) { + /* free previously cached color table */ + if (ctable) + _mesa_free(ctable); + /* Get the color table from X */ + ctable = (XMesaColor *) MALLOC(cmapSize * sizeof(XMesaColor)); + assert(ctable); + for (i = 0; i < cmapSize; i++) { + ctable[i].pixel = i; + } + XQueryColors(dpy, cmap, ctable, cmapSize); + prevDisplay = dpy; + prevCmap = cmap; + prevCmapSize = cmapSize; + } +#endif + + /* Find best match. */ + bestmatch = -1; + mindist = 0.0; + for (i = 0; i < cmapSize; i++) { + double dr = 0.30 * ((double) color->red - (double) ctable[i].red); + double dg = 0.59 * ((double) color->green - (double) ctable[i].green); + double db = 0.11 * ((double) color->blue - (double) ctable[i].blue); + double dist = dr * dr + dg * dg + db * db; + if (bestmatch < 0 || dist < mindist) { + bestmatch = i; + mindist = dist; + } + } + + /* Return result. */ + subColor.red = ctable[bestmatch].red; + subColor.green = ctable[bestmatch].green; + subColor.blue = ctable[bestmatch].blue; + /* Try to allocate the closest match color. This should only + * fail if the cell is read/write. Otherwise, we're incrementing + * the cell's reference count. + */ +#ifdef XFree86Server + if (AllocColor(cmap, + &subColor.red, &subColor.green, &subColor.blue, + &subColor.pixel, + client) == Success) { +#else + if (XAllocColor(dpy, cmap, &subColor)) { +#endif + *alloced = 1; + } + else { + /* do this to work around a problem reported by Frank Ortega */ + subColor.pixel = (unsigned long) bestmatch; + subColor.red = ctable[bestmatch].red; + subColor.green = ctable[bestmatch].green; + subColor.blue = ctable[bestmatch].blue; + subColor.flags = DoRed | DoGreen | DoBlue; + *alloced = 0; + } +#ifdef XFree86Server + _mesa_free(ppixIn); + _mesa_free(ctable); +#else + /* don't free table, save it for next time */ +#endif + + *color = subColor; + *exact = 0; +} + + + + +/* + * Do setup for PF_GRAYSCALE pixel format. + * Note that buffer may be NULL. + */ +static GLboolean setup_grayscale( int client, XMesaVisual v, + XMesaBuffer buffer, XMesaColormap cmap ) +{ + if (GET_VISUAL_DEPTH(v)<4 || GET_VISUAL_DEPTH(v)>16) { + return GL_FALSE; + } + + if (buffer) { + XMesaBuffer prevBuffer; + + if (!cmap) { + return GL_FALSE; + } + + prevBuffer = find_xmesa_buffer(v->display, cmap, buffer); + if (prevBuffer && + (buffer->xm_visual->mesa_visual.rgbMode == + prevBuffer->xm_visual->mesa_visual.rgbMode)) { + /* Copy colormap stuff from previous XMesaBuffer which uses same + * X colormap. Do this to avoid time spent in noFaultXAllocColor. + */ + copy_colortable_info(buffer, prevBuffer); + } + else { + /* Allocate 256 shades of gray */ + int gray; + int colorsfailed = 0; + for (gray=0;gray<256;gray++) { + GLint r = gamma_adjust( v->RedGamma, gray, 255 ); + GLint g = gamma_adjust( v->GreenGamma, gray, 255 ); + GLint b = gamma_adjust( v->BlueGamma, gray, 255 ); + int exact, alloced; + XMesaColor xcol; + xcol.red = (r << 8) | r; + xcol.green = (g << 8) | g; + xcol.blue = (b << 8) | b; + noFaultXAllocColor( client, v->display, + cmap, GET_COLORMAP_SIZE(v), + &xcol, &exact, &alloced ); + if (!exact) { + colorsfailed++; + } + if (alloced) { + assert(buffer->num_alloced<256); + buffer->alloced_colors[buffer->num_alloced] = xcol.pixel; + buffer->num_alloced++; + } + + /*OLD + assert(gray < 576); + buffer->color_table[gray*3+0] = xcol.pixel; + buffer->color_table[gray*3+1] = xcol.pixel; + buffer->color_table[gray*3+2] = xcol.pixel; + assert(xcol.pixel < 65536); + buffer->pixel_to_r[xcol.pixel] = gray * 30 / 100; + buffer->pixel_to_g[xcol.pixel] = gray * 59 / 100; + buffer->pixel_to_b[xcol.pixel] = gray * 11 / 100; + */ + buffer->color_table[gray] = xcol.pixel; + assert(xcol.pixel < 65536); + buffer->pixel_to_r[xcol.pixel] = gray; + buffer->pixel_to_g[xcol.pixel] = gray; + buffer->pixel_to_b[xcol.pixel] = gray; + } + + if (colorsfailed && _mesa_getenv("MESA_DEBUG")) { + _mesa_warning(NULL, + "Note: %d out of 256 needed colors do not match exactly.\n", + colorsfailed ); + } + } + } + + v->dithered_pf = PF_Grayscale; + v->undithered_pf = PF_Grayscale; + return GL_TRUE; +} + + + +/* + * Setup RGB rendering for a window with a PseudoColor, StaticColor, + * or 8-bit TrueColor visual visual. We try to allocate a palette of 225 + * colors (5 red, 9 green, 5 blue) and dither to approximate a 24-bit RGB + * color. While this function was originally designed just for 8-bit + * visuals, it has also proven to work from 4-bit up to 16-bit visuals. + * Dithering code contributed by Bob Mercier. + */ +static GLboolean setup_dithered_color( int client, XMesaVisual v, + XMesaBuffer buffer, XMesaColormap cmap ) +{ + if (GET_VISUAL_DEPTH(v)<4 || GET_VISUAL_DEPTH(v)>16) { + return GL_FALSE; + } + + if (buffer) { + XMesaBuffer prevBuffer; + + if (!cmap) { + return GL_FALSE; + } + + prevBuffer = find_xmesa_buffer(v->display, cmap, buffer); + if (prevBuffer && + (buffer->xm_visual->mesa_visual.rgbMode == + prevBuffer->xm_visual->mesa_visual.rgbMode)) { + /* Copy colormap stuff from previous, matching XMesaBuffer. + * Do this to avoid time spent in noFaultXAllocColor. + */ + copy_colortable_info(buffer, prevBuffer); + } + else { + /* Allocate X colors and initialize color_table[], red_table[], etc */ + int r, g, b, i; + int colorsfailed = 0; + for (r = 0; r < DITH_R; r++) { + for (g = 0; g < DITH_G; g++) { + for (b = 0; b < DITH_B; b++) { + XMesaColor xcol; + int exact, alloced; + xcol.red =gamma_adjust(v->RedGamma, r*65535/(DITH_R-1),65535); + xcol.green=gamma_adjust(v->GreenGamma, g*65535/(DITH_G-1),65535); + xcol.blue =gamma_adjust(v->BlueGamma, b*65535/(DITH_B-1),65535); + noFaultXAllocColor( client, v->display, + cmap, GET_COLORMAP_SIZE(v), + &xcol, &exact, &alloced ); + if (!exact) { + colorsfailed++; + } + if (alloced) { + assert(buffer->num_alloced<256); + buffer->alloced_colors[buffer->num_alloced] = xcol.pixel; + buffer->num_alloced++; + } + i = DITH_MIX( r, g, b ); + assert(i < 576); + buffer->color_table[i] = xcol.pixel; + assert(xcol.pixel < 65536); + buffer->pixel_to_r[xcol.pixel] = r * 255 / (DITH_R-1); + buffer->pixel_to_g[xcol.pixel] = g * 255 / (DITH_G-1); + buffer->pixel_to_b[xcol.pixel] = b * 255 / (DITH_B-1); + } + } + } + + if (colorsfailed && _mesa_getenv("MESA_DEBUG")) { + _mesa_warning(NULL, + "Note: %d out of %d needed colors do not match exactly.\n", + colorsfailed, DITH_R * DITH_G * DITH_B ); + } + } + } + + v->dithered_pf = PF_Dither; + v->undithered_pf = PF_Lookup; + return GL_TRUE; +} + + +/* + * Setup for Hewlett Packard Color Recovery 8-bit TrueColor mode. + * HPCR simulates 24-bit color fidelity with an 8-bit frame buffer. + * Special dithering tables have to be initialized. + */ +static void setup_8bit_hpcr( XMesaVisual v ) +{ + /* HP Color Recovery contributed by: Alex De Bruyn (ad@lms.be) + * To work properly, the atom _HP_RGB_SMOOTH_MAP_LIST must be defined + * on the root window AND the colormap obtainable by XGetRGBColormaps + * for that atom must be set on the window. (see also tkInitWindow) + * If that colormap is not set, the output will look stripy. + */ + + /* Setup color tables with gamma correction */ + int i; + double g; + + g = 1.0 / v->RedGamma; + for (i=0; i<256; i++) { + GLint red = IROUND_POS(255.0 * _mesa_pow( hpcr_rgbTbl[0][i]/255.0, g )); + v->hpcr_rgbTbl[0][i] = CLAMP( red, 16, 239 ); + } + + g = 1.0 / v->GreenGamma; + for (i=0; i<256; i++) { + GLint green = IROUND_POS(255.0 * _mesa_pow( hpcr_rgbTbl[1][i]/255.0, g )); + v->hpcr_rgbTbl[1][i] = CLAMP( green, 16, 239 ); + } + + g = 1.0 / v->BlueGamma; + for (i=0; i<256; i++) { + GLint blue = IROUND_POS(255.0 * _mesa_pow( hpcr_rgbTbl[2][i]/255.0, g )); + v->hpcr_rgbTbl[2][i] = CLAMP( blue, 32, 223 ); + } + v->undithered_pf = PF_HPCR; /* can't really disable dithering for now */ + v->dithered_pf = PF_HPCR; + + /* which method should I use to clear */ + /* GL_FALSE: keep the ordinary method */ + /* GL_TRUE : clear with dither pattern */ + v->hpcr_clear_flag = _mesa_getenv("MESA_HPCR_CLEAR") ? GL_TRUE : GL_FALSE; + + if (v->hpcr_clear_flag) { + v->hpcr_clear_pixmap = XMesaCreatePixmap(v->display, + DefaultRootWindow(v->display), + 16, 2, 8); +#ifndef XFree86Server + v->hpcr_clear_ximage = XGetImage(v->display, v->hpcr_clear_pixmap, + 0, 0, 16, 2, AllPlanes, ZPixmap); +#endif + } +} + + +/* + * Setup RGB rendering for a window with a True/DirectColor visual. + */ +static void setup_truecolor( XMesaVisual v, XMesaBuffer buffer, + XMesaColormap cmap ) +{ + unsigned long rmask, gmask, bmask; + (void) buffer; + (void) cmap; + + /* Compute red multiplier (mask) and bit shift */ + v->rshift = 0; + rmask = GET_REDMASK(v); + while ((rmask & 1)==0) { + v->rshift++; + rmask = rmask >> 1; + } + + /* Compute green multiplier (mask) and bit shift */ + v->gshift = 0; + gmask = GET_GREENMASK(v); + while ((gmask & 1)==0) { + v->gshift++; + gmask = gmask >> 1; + } + + /* Compute blue multiplier (mask) and bit shift */ + v->bshift = 0; + bmask = GET_BLUEMASK(v); + while ((bmask & 1)==0) { + v->bshift++; + bmask = bmask >> 1; + } + + /* + * Compute component-to-pixel lookup tables and dithering kernel + */ + { + static GLubyte kernel[16] = { + 0*16, 8*16, 2*16, 10*16, + 12*16, 4*16, 14*16, 6*16, + 3*16, 11*16, 1*16, 9*16, + 15*16, 7*16, 13*16, 5*16, + }; + GLint rBits = bitcount(rmask); + GLint gBits = bitcount(gmask); + GLint bBits = bitcount(bmask); + GLint maxBits; + GLuint i; + + /* convert pixel components in [0,_mask] to RGB values in [0,255] */ + for (i=0; i<=rmask; i++) + v->PixelToR[i] = (unsigned char) ((i * 255) / rmask); + for (i=0; i<=gmask; i++) + v->PixelToG[i] = (unsigned char) ((i * 255) / gmask); + for (i=0; i<=bmask; i++) + v->PixelToB[i] = (unsigned char) ((i * 255) / bmask); + + /* convert RGB values from [0,255] to pixel components */ + + for (i=0;i<256;i++) { + GLint r = gamma_adjust(v->RedGamma, i, 255); + GLint g = gamma_adjust(v->GreenGamma, i, 255); + GLint b = gamma_adjust(v->BlueGamma, i, 255); + v->RtoPixel[i] = (r >> (8-rBits)) << v->rshift; + v->GtoPixel[i] = (g >> (8-gBits)) << v->gshift; + v->BtoPixel[i] = (b >> (8-bBits)) << v->bshift; + } + /* overflow protection */ + for (i=256;i<512;i++) { + v->RtoPixel[i] = v->RtoPixel[255]; + v->GtoPixel[i] = v->GtoPixel[255]; + v->BtoPixel[i] = v->BtoPixel[255]; + } + + /* setup dithering kernel */ + maxBits = rBits; + if (gBits > maxBits) maxBits = gBits; + if (bBits > maxBits) maxBits = bBits; + for (i=0;i<16;i++) { + v->Kernel[i] = kernel[i] >> maxBits; + } + + v->undithered_pf = PF_Truecolor; + v->dithered_pf = (GET_VISUAL_DEPTH(v)<24) ? PF_Dither_True : PF_Truecolor; + } + + /* + * Now check for TrueColor visuals which we can optimize. + */ + if ( GET_REDMASK(v) ==0x0000ff + && GET_GREENMASK(v)==0x00ff00 + && GET_BLUEMASK(v) ==0xff0000 + && CHECK_BYTE_ORDER(v) + && v->BitsPerPixel==32 + && sizeof(GLuint)==4 + && v->RedGamma==1.0 && v->GreenGamma==1.0 && v->BlueGamma==1.0) { + /* common 32 bpp config used on SGI, Sun */ + v->undithered_pf = v->dithered_pf = PF_8A8B8G8R; + } + else if (GET_REDMASK(v) ==0xff0000 + && GET_GREENMASK(v)==0x00ff00 + && GET_BLUEMASK(v) ==0x0000ff + && CHECK_BYTE_ORDER(v) + && v->BitsPerPixel==32 + && sizeof(GLuint)==4 + && v->RedGamma==1.0 && v->GreenGamma==1.0 && v->BlueGamma==1.0) { + /* common 32 bpp config used on Linux, HP, IBM */ + if (GET_VISUAL_DEPTH(v)==32) + v->undithered_pf = v->dithered_pf = PF_8A8R8G8B; + else + v->undithered_pf = v->dithered_pf = PF_8R8G8B; + } + else if (GET_REDMASK(v) ==0xff0000 + && GET_GREENMASK(v)==0x00ff00 + && GET_BLUEMASK(v) ==0x0000ff + && CHECK_BYTE_ORDER(v) + && v->BitsPerPixel==24 + && sizeof(GLuint)==4 + && v->RedGamma==1.0 && v->GreenGamma==1.0 && v->BlueGamma==1.0) { + /* common packed 24 bpp config used on Linux */ + v->undithered_pf = v->dithered_pf = PF_8R8G8B24; + } + else if (GET_REDMASK(v) ==0xf800 + && GET_GREENMASK(v)==0x07e0 + && GET_BLUEMASK(v) ==0x001f + && CHECK_BYTE_ORDER(v) + && v->BitsPerPixel==16 + && sizeof(GLushort)==2 + && v->RedGamma==1.0 && v->GreenGamma==1.0 && v->BlueGamma==1.0) { + /* 5-6-5 color weight on common PC VGA boards */ + v->undithered_pf = PF_5R6G5B; + v->dithered_pf = PF_Dither_5R6G5B; + } + else if (GET_REDMASK(v) ==0xe0 + && GET_GREENMASK(v)==0x1c + && GET_BLUEMASK(v) ==0x03 + && CHECK_FOR_HPCR(v)) { + setup_8bit_hpcr( v ); + } +} + + + +/* + * Setup RGB rendering for a window with a monochrome visual. + */ +static void setup_monochrome( XMesaVisual v, XMesaBuffer b ) +{ + (void) b; + v->dithered_pf = v->undithered_pf = PF_1Bit; + /* if black=1 then we must flip pixel values */ + v->bitFlip = (GET_BLACK_PIXEL(v) != 0); +} + + + +/* + * When a context is "made current" for the first time, we can finally + * finish initializing the context's visual and buffer information. + * Input: v - the XMesaVisual to initialize + * b - the XMesaBuffer to initialize (may be NULL) + * rgb_flag - TRUE = RGBA mode, FALSE = color index mode + * window - the window/pixmap we're rendering into + * cmap - the colormap associated with the window/pixmap + * Return: GL_TRUE=success, GL_FALSE=failure + */ +static GLboolean initialize_visual_and_buffer( int client, + XMesaVisual v, + XMesaBuffer b, + GLboolean rgb_flag, + XMesaDrawable window, + XMesaColormap cmap ) +{ + struct xmesa_renderbuffer *front_xrb, *back_xrb; +#ifndef XFree86Server + XGCValues gcvalues; +#endif + + if (b) { + assert(b->xm_visual == v); + } + + if (b) { + front_xrb = b->frontxrb; + back_xrb = b->backxrb; + } + else { + front_xrb = back_xrb = NULL; + } + + /* Save true bits/pixel */ + v->BitsPerPixel = bits_per_pixel(v); + assert(v->BitsPerPixel > 0); + + + if (rgb_flag==GL_FALSE) { + /* COLOR-INDEXED WINDOW: + * Even if the visual is TrueColor or DirectColor we treat it as + * being color indexed. This is weird but might be useful to someone. + */ + v->dithered_pf = v->undithered_pf = PF_Index; + v->mesa_visual.indexBits = GET_VISUAL_DEPTH(v); + } + else { + /* RGB WINDOW: + * We support RGB rendering into almost any kind of visual. + */ + const int xclass = v->mesa_visual.visualType; + if (xclass==GLX_TRUE_COLOR || xclass==GLX_DIRECT_COLOR) { + setup_truecolor( v, b, cmap ); + } + else if (xclass==GLX_STATIC_GRAY && GET_VISUAL_DEPTH(v)==1) { + setup_monochrome( v, b ); + } + else if (xclass==GLX_GRAY_SCALE || xclass==GLX_STATIC_GRAY) { + if (!setup_grayscale( client, v, b, cmap )) { + return GL_FALSE; + } + } + else if ((xclass==GLX_PSEUDO_COLOR || xclass==GLX_STATIC_COLOR) + && GET_VISUAL_DEPTH(v)>=4 && GET_VISUAL_DEPTH(v)<=16) { + if (!setup_dithered_color( client, v, b, cmap )) { + return GL_FALSE; + } + } + else { + _mesa_warning(NULL, "XMesa: RGB mode rendering not supported in given visual."); + return GL_FALSE; + } + v->mesa_visual.indexBits = 0; + + if (_mesa_getenv("MESA_NO_DITHER")) { + v->dithered_pf = v->undithered_pf; + } + } + + + /* + * If MESA_INFO env var is set print out some debugging info + * which can help Brian figure out what's going on when a user + * reports bugs. + */ + if (_mesa_getenv("MESA_INFO")) { + _mesa_printf("X/Mesa visual = %p\n", (void *) v); + _mesa_printf("X/Mesa dithered pf = %u\n", v->dithered_pf); + _mesa_printf("X/Mesa undithered pf = %u\n", v->undithered_pf); + _mesa_printf("X/Mesa level = %d\n", v->mesa_visual.level); + _mesa_printf("X/Mesa depth = %d\n", GET_VISUAL_DEPTH(v)); + _mesa_printf("X/Mesa bits per pixel = %d\n", v->BitsPerPixel); + } + + if (b && window) { + /* Do window-specific initializations */ + + b->frontxrb->drawable = window; + b->frontxrb->pixmap = (XMesaPixmap) window; + + /* Setup for single/double buffering */ + if (v->mesa_visual.doubleBufferMode) { + /* Double buffered */ +#ifndef XFree86Server + b->shm = check_for_xshm( v->display ); +#endif + xmesa_alloc_back_buffer(b, b->mesa_buffer.Width, b->mesa_buffer.Height); + } + + /* X11 graphics contexts */ +#ifdef XFree86Server + b->gc = CreateScratchGC(v->display, window->depth); +#else + b->gc = XCreateGC( v->display, window, 0, NULL ); +#endif + XMesaSetFunction( v->display, b->gc, GXcopy ); + + /* cleargc - for glClear() */ +#ifdef XFree86Server + b->cleargc = CreateScratchGC(v->display, window->depth); +#else + b->cleargc = XCreateGC( v->display, window, 0, NULL ); +#endif + XMesaSetFunction( v->display, b->cleargc, GXcopy ); + + /* + * Don't generate Graphics Expose/NoExpose events in swapbuffers(). + * Patch contributed by Michael Pichler May 15, 1995. + */ +#ifdef XFree86Server + b->swapgc = CreateScratchGC(v->display, window->depth); + { + CARD32 v[1]; + v[0] = FALSE; + dixChangeGC(NullClient, b->swapgc, GCGraphicsExposures, v, NULL); + } +#else + gcvalues.graphics_exposures = False; + b->swapgc = XCreateGC( v->display, window, + GCGraphicsExposures, &gcvalues); +#endif + XMesaSetFunction( v->display, b->swapgc, GXcopy ); + /* + * Set fill style and tile pixmap once for all for HPCR stuff + * (instead of doing it each time in clear_color_HPCR_pixmap()) + * Initialize whole stuff + * Patch contributed by Jacques Leroy March 8, 1998. + */ + if (v->hpcr_clear_flag && back_xrb->pixmap) { + int i; + for (i=0; i<16; i++) + { + XMesaPutPixel(v->hpcr_clear_ximage, i, 0, 0); + XMesaPutPixel(v->hpcr_clear_ximage, i, 1, 0); + } + XMesaPutImage(b->display, (XMesaDrawable)v->hpcr_clear_pixmap, + b->cleargc, v->hpcr_clear_ximage, 0, 0, 0, 0, 16, 2); + XMesaSetFillStyle( v->display, b->cleargc, FillTiled); + XMesaSetTile( v->display, b->cleargc, v->hpcr_clear_pixmap ); + } + + /* Initialize the row buffer XImage for use in write_color_span() */ +#ifdef XFree86Server + b->rowimage = XMesaCreateImage(GET_VISUAL_DEPTH(v), MAX_WIDTH, 1, + (char *)MALLOC(MAX_WIDTH*4)); +#else + b->rowimage = XCreateImage( v->display, + v->visinfo->visual, + v->visinfo->depth, + ZPixmap, 0, /*format, offset*/ + (char*) MALLOC(MAX_WIDTH*4), /*data*/ + MAX_WIDTH, 1, /*width, height*/ + 32, /*bitmap_pad*/ + 0 /*bytes_per_line*/ ); +#endif + if (!b->rowimage) + return GL_FALSE; + } + + return GL_TRUE; +} + + + +/* + * Convert an RGBA color to a pixel value. + */ +unsigned long +xmesa_color_to_pixel(GLcontext *ctx, + GLubyte r, GLubyte g, GLubyte b, GLubyte a, + GLuint pixelFormat) +{ + XMesaContext xmesa = XMESA_CONTEXT(ctx); + switch (pixelFormat) { + case PF_Index: + return 0; + case PF_Truecolor: + { + unsigned long p; + PACK_TRUECOLOR( p, r, g, b ); + return p; + } + case PF_8A8B8G8R: + return PACK_8A8B8G8R( r, g, b, a ); + case PF_8A8R8G8B: + return PACK_8A8R8G8B( r, g, b, a ); + case PF_8R8G8B: + /* fall through */ + case PF_8R8G8B24: + return PACK_8R8G8B( r, g, b ); + case PF_5R6G5B: + return PACK_5R6G5B( r, g, b ); + case PF_Dither: + { + DITHER_SETUP; + return DITHER( 1, 0, r, g, b ); + } + case PF_1Bit: + /* 382 = (3*255)/2 */ + return ((r+g+b) > 382) ^ xmesa->xm_visual->bitFlip; + case PF_HPCR: + return DITHER_HPCR(1, 1, r, g, b); + case PF_Lookup: + { + LOOKUP_SETUP; + return LOOKUP( r, g, b ); + } + case PF_Grayscale: + return GRAY_RGB( r, g, b ); + case PF_Dither_True: + /* fall through */ + case PF_Dither_5R6G5B: + { + unsigned long p; + PACK_TRUEDITHER(p, 1, 0, r, g, b); + return p; + } + default: + _mesa_problem(ctx, "Bad pixel format in xmesa_color_to_pixel"); + } + return 0; +} + + +#define NUM_VISUAL_TYPES 6 + +/** + * Convert an X visual type to a GLX visual type. + * + * \param visualType X visual type (i.e., \c TrueColor, \c StaticGray, etc.) + * to be converted. + * \return If \c visualType is a valid X visual type, a GLX visual type will + * be returned. Otherwise \c GLX_NONE will be returned. + * + * \note + * This code was lifted directly from lib/GL/glx/glcontextmodes.c in the + * DRI CVS tree. + */ +static GLint +xmesa_convert_from_x_visual_type( int visualType ) +{ + static const int glx_visual_types[ NUM_VISUAL_TYPES ] = { + GLX_STATIC_GRAY, GLX_GRAY_SCALE, + GLX_STATIC_COLOR, GLX_PSEUDO_COLOR, + GLX_TRUE_COLOR, GLX_DIRECT_COLOR + }; + + return ( (unsigned) visualType < NUM_VISUAL_TYPES ) + ? glx_visual_types[ visualType ] : GLX_NONE; +} + + +/**********************************************************************/ +/***** Public Functions *****/ +/**********************************************************************/ + + +/* + * Create a new X/Mesa visual. + * Input: display - X11 display + * visinfo - an XVisualInfo pointer + * rgb_flag - GL_TRUE = RGB mode, + * GL_FALSE = color index mode + * alpha_flag - alpha buffer requested? + * db_flag - GL_TRUE = double-buffered, + * GL_FALSE = single buffered + * stereo_flag - stereo visual? + * ximage_flag - GL_TRUE = use an XImage for back buffer, + * GL_FALSE = use an off-screen pixmap for back buffer + * depth_size - requested bits/depth values, or zero + * stencil_size - requested bits/stencil values, or zero + * accum_red_size - requested bits/red accum values, or zero + * accum_green_size - requested bits/green accum values, or zero + * accum_blue_size - requested bits/blue accum values, or zero + * accum_alpha_size - requested bits/alpha accum values, or zero + * num_samples - number of samples/pixel if multisampling, or zero + * level - visual level, usually 0 + * visualCaveat - ala the GLX extension, usually GLX_NONE + * Return; a new XMesaVisual or 0 if error. + */ +XMesaVisual XMesaCreateVisual( XMesaDisplay *display, + XMesaVisualInfo visinfo, + GLboolean rgb_flag, + GLboolean alpha_flag, + GLboolean db_flag, + GLboolean stereo_flag, + GLboolean ximage_flag, + GLint depth_size, + GLint stencil_size, + GLint accum_red_size, + GLint accum_green_size, + GLint accum_blue_size, + GLint accum_alpha_size, + GLint num_samples, + GLint level, + GLint visualCaveat ) +{ + char *gamma; + XMesaVisual v; + GLint red_bits, green_bits, blue_bits, alpha_bits; + + /* For debugging only */ + if (_mesa_getenv("MESA_XSYNC")) { + /* This makes debugging X easier. + * In your debugger, set a breakpoint on _XError to stop when an + * X protocol error is generated. + */ +#ifdef XFree86Server + /* NOT_NEEDED */ +#else + XSynchronize( display, 1 ); +#endif + } + + v = (XMesaVisual) CALLOC_STRUCT(xmesa_visual); + if (!v) { + return NULL; + } + + /* + * In the X server, NULL is passed in for the display. It will have + * to be set before using this visual. See XMesaSetVisualDisplay() + * below. + */ + v->display = display; + + /* Save a copy of the XVisualInfo struct because the user may X_mesa_free() + * the struct but we may need some of the information contained in it + * at a later time. + */ +#ifndef XFree86Server + v->visinfo = (XVisualInfo *) MALLOC(sizeof(*visinfo)); + if(!v->visinfo) { + _mesa_free(v); + return NULL; + } + MEMCPY(v->visinfo, visinfo, sizeof(*visinfo)); +#endif + + /* check for MESA_GAMMA environment variable */ + gamma = _mesa_getenv("MESA_GAMMA"); + if (gamma) { + v->RedGamma = v->GreenGamma = v->BlueGamma = 0.0; + sscanf( gamma, "%f %f %f", &v->RedGamma, &v->GreenGamma, &v->BlueGamma ); + if (v->RedGamma<=0.0) v->RedGamma = 1.0; + if (v->GreenGamma<=0.0) v->GreenGamma = v->RedGamma; + if (v->BlueGamma<=0.0) v->BlueGamma = v->RedGamma; + } + else { + v->RedGamma = v->GreenGamma = v->BlueGamma = 1.0; + } + + v->ximage_flag = ximage_flag; + +#ifdef XFree86Server + /* We could calculate these values by ourselves. nplanes is either the sum + * of the red, green, and blue bits or the number index bits. + * ColormapEntries is either (1U << index_bits) or + * (1U << max(redBits, greenBits, blueBits)). + */ + v->nplanes = visinfo->nplanes; + v->ColormapEntries = visinfo->ColormapEntries; + + v->mesa_visual.redMask = visinfo->redMask; + v->mesa_visual.greenMask = visinfo->greenMask; + v->mesa_visual.blueMask = visinfo->blueMask; + v->mesa_visual.visualID = visinfo->vid; + v->mesa_visual.screen = 0; /* FIXME: What should be done here? */ +#else + v->mesa_visual.redMask = visinfo->red_mask; + v->mesa_visual.greenMask = visinfo->green_mask; + v->mesa_visual.blueMask = visinfo->blue_mask; + v->mesa_visual.visualID = visinfo->visualid; + v->mesa_visual.screen = visinfo->screen; +#endif + +#if defined(XFree86Server) || !(defined(__cplusplus) || defined(c_plusplus)) + v->mesa_visual.visualType = xmesa_convert_from_x_visual_type(visinfo->class); +#else + v->mesa_visual.visualType = xmesa_convert_from_x_visual_type(visinfo->c_class); +#endif + + v->mesa_visual.visualRating = visualCaveat; + + (void) initialize_visual_and_buffer( 0, v, NULL, rgb_flag, 0, 0 ); + + { + const int xclass = v->mesa_visual.visualType; + if (xclass==GLX_TRUE_COLOR || xclass==GLX_DIRECT_COLOR) { + red_bits = bitcount(GET_REDMASK(v)); + green_bits = bitcount(GET_GREENMASK(v)); + blue_bits = bitcount(GET_BLUEMASK(v)); + alpha_bits = 0; + } + else { + /* this is an approximation */ + int depth; + depth = GET_VISUAL_DEPTH(v); + red_bits = depth / 3; + depth -= red_bits; + green_bits = depth / 2; + depth -= green_bits; + blue_bits = depth; + alpha_bits = 0; + assert( red_bits + green_bits + blue_bits == GET_VISUAL_DEPTH(v) ); + } + } + + if (alpha_flag && alpha_bits == 0) + alpha_bits = 8; + + _mesa_initialize_visual( &v->mesa_visual, + rgb_flag, db_flag, stereo_flag, + red_bits, green_bits, + blue_bits, alpha_bits, + v->mesa_visual.indexBits, + depth_size, + stencil_size, + accum_red_size, accum_green_size, + accum_blue_size, accum_alpha_size, + 0 ); + + /* XXX minor hack */ + v->mesa_visual.level = level; + return v; +} + + +void XMesaSetVisualDisplay( XMesaDisplay *dpy, XMesaVisual v ) +{ + v->display = dpy; +} + + +void XMesaDestroyVisual( XMesaVisual v ) +{ +#ifndef XFree86Server + _mesa_free(v->visinfo); +#endif + _mesa_free(v); +} + + + +/** + * Create a new XMesaContext. + * \param v the XMesaVisual + * \param share_list another XMesaContext with which to share display + * lists or NULL if no sharing is wanted. + * \return an XMesaContext or NULL if error. + */ +XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list ) +{ + static GLboolean firstTime = GL_TRUE; + XMesaContext c; + GLcontext *mesaCtx; + struct dd_function_table functions; + TNLcontext *tnl; + + if (firstTime) { + _glthread_INIT_MUTEX(_xmesa_lock); + firstTime = GL_FALSE; + } + + /* Note: the XMesaContext contains a Mesa GLcontext struct (inheritance) */ + c = (XMesaContext) CALLOC_STRUCT(xmesa_context); + if (!c) + return NULL; + + mesaCtx = &(c->mesa); + + /* initialize with default driver functions, then plug in XMesa funcs */ + _mesa_init_driver_functions(&functions); + xmesa_init_driver_functions(v, &functions); + if (!_mesa_initialize_context(mesaCtx, &v->mesa_visual, + share_list ? &(share_list->mesa) : (GLcontext *) NULL, + &functions, (void *) c)) { + _mesa_free(c); + return NULL; + } + + _mesa_enable_sw_extensions(mesaCtx); + _mesa_enable_1_3_extensions(mesaCtx); + _mesa_enable_1_4_extensions(mesaCtx); + _mesa_enable_1_5_extensions(mesaCtx); + _mesa_enable_2_0_extensions(mesaCtx); +#if SWTC + if (c->Mesa_DXTn) { + _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc"); + _mesa_enable_extension(c, "GL_S3_s3tc"); + } + _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1"); +#endif + + /* finish up xmesa context initializations */ + c->swapbytes = CHECK_BYTE_ORDER(v) ? GL_FALSE : GL_TRUE; + c->xm_visual = v; + c->xm_buffer = NULL; /* set later by XMesaMakeCurrent */ + c->display = v->display; + c->pixelformat = v->dithered_pf; /* Dithering is enabled by default */ + + /* Initialize the software rasterizer and helper modules. + */ + if (!_swrast_CreateContext( mesaCtx ) || + !_ac_CreateContext( mesaCtx ) || + !_tnl_CreateContext( mesaCtx ) || + !_swsetup_CreateContext( mesaCtx )) { + _mesa_free_context_data(&c->mesa); + _mesa_free(c); + return NULL; + } + + /* tnl setup */ + tnl = TNL_CONTEXT(mesaCtx); + tnl->Driver.RunPipeline = _tnl_run_pipeline; + /* swrast setup */ + xmesa_register_swrast_functions( mesaCtx ); + _swsetup_Wakeup(mesaCtx); + + return c; +} + + + +void XMesaDestroyContext( XMesaContext c ) +{ + GLcontext *mesaCtx = &c->mesa; +#ifdef FX + XMesaBuffer xmbuf = XMESA_BUFFER(mesaCtx->DrawBuffer); + + if (xmbuf && xmbuf->FXctx) + fxMesaDestroyContext(xmbuf->FXctx); +#endif + _swsetup_DestroyContext( mesaCtx ); + _swrast_DestroyContext( mesaCtx ); + _tnl_DestroyContext( mesaCtx ); + _ac_DestroyContext( mesaCtx ); + _mesa_free_context_data( mesaCtx ); + _mesa_free( c ); +} + + + +/* + * XXX this isn't a public function! It's a hack for the 3Dfx driver. + * Create a new XMesaBuffer from an X window. + * Input: v - the XMesaVisual + * w - the window + * c - the context + * Return: new XMesaBuffer or NULL if error + */ +XMesaBuffer +XMesaCreateWindowBuffer2(XMesaVisual v, XMesaWindow w, XMesaContext c) +{ +#ifndef XFree86Server + XWindowAttributes attr; +#endif +#ifdef FX + char *fxEnvVar; +#endif + int client = 0; + XMesaBuffer b; + XMesaColormap cmap; + + assert(v); + (void) c; + + /* Check that window depth matches visual depth */ +#ifdef XFree86Server + client = CLIENT_ID(((XMesaDrawable)w)->id); + + if (GET_VISUAL_DEPTH(v) != ((XMesaDrawable)w)->depth) { + _mesa_warning(NULL, "XMesaCreateWindowBuffer: depth mismatch between visual (%d) and window (%d)!\n", + GET_VISUAL_DEPTH(v), ((XMesaDrawable) w)->depth); + return NULL; + } +#else + XGetWindowAttributes( v->display, w, &attr ); + + if (GET_VISUAL_DEPTH(v) != attr.depth) { + _mesa_warning(NULL, "XMesaCreateWindowBuffer: depth mismatch between visual (%d) and window (%d)!\n", + GET_VISUAL_DEPTH(v), attr.depth); + return NULL; + } +#endif + + /* Find colormap */ +#ifdef XFree86Server + cmap = (ColormapPtr)LookupIDByType(wColormap(w), RT_COLORMAP); +#else + if (attr.colormap) { + cmap = attr.colormap; + } + else { + _mesa_warning(NULL, "Window %u has no colormap!\n", (unsigned int) w); + /* this is weird, a window w/out a colormap!? */ + /* OK, let's just allocate a new one and hope for the best */ + cmap = XCreateColormap(v->display, w, attr.visual, AllocNone); + } +#endif + + b = alloc_xmesa_buffer(v, WINDOW, cmap); + if (!b) { + return NULL; + } + + if (!initialize_visual_and_buffer( client, v, b, v->mesa_visual.rgbMode, + (XMesaDrawable)w, cmap )) { + free_xmesa_buffer(client, b); + return NULL; + } + +#ifdef FX + fxEnvVar = _mesa_getenv("MESA_GLX_FX"); + if (fxEnvVar) { + if (fxEnvVar[0]!='d') { + int attribs[100]; + int numAttribs = 0; + int hw; + if (v->mesa_visual.depthBits > 0) { + attribs[numAttribs++] = FXMESA_DEPTH_SIZE; + attribs[numAttribs++] = v->mesa_visual.depthBits; + } + if (v->mesa_visual.doubleBufferMode) { + attribs[numAttribs++] = FXMESA_DOUBLEBUFFER; + } + if (v->mesa_visual.accumRedBits > 0) { + attribs[numAttribs++] = FXMESA_ACCUM_SIZE; + attribs[numAttribs++] = v->mesa_visual.accumRedBits; + } + if (v->mesa_visual.stencilBits > 0) { + attribs[numAttribs++] = FXMESA_STENCIL_SIZE; + attribs[numAttribs++] = v->mesa_visual.stencilBits; + } + if (v->mesa_visual.alphaBits > 0) { + attribs[numAttribs++] = FXMESA_ALPHA_SIZE; + attribs[numAttribs++] = v->mesa_visual.alphaBits; + } + if (1) { + attribs[numAttribs++] = FXMESA_SHARE_CONTEXT; + attribs[numAttribs++] = (int) &(c->mesa); + } + attribs[numAttribs++] = FXMESA_NONE; + + /* [dBorca] we should take an envvar for `fxMesaSelectCurrentBoard'!!! */ + hw = fxMesaSelectCurrentBoard(0); + + /* if these fail, there's a new bug somewhere */ + ASSERT(b->mesa_buffer.Width > 0); + ASSERT(b->mesa_buffer.Height > 0); + + if ((hw == GR_SSTTYPE_VOODOO) || (hw == GR_SSTTYPE_Voodoo2)) { + b->FXctx = fxMesaCreateBestContext(0, b->mesa_buffer.Width, + b->mesa_buffer.Height, attribs); + if ((v->undithered_pf!=PF_Index) && (b->backxrb->ximage)) { + b->FXisHackUsable = b->FXctx ? GL_TRUE : GL_FALSE; + if (b->FXctx && (fxEnvVar[0]=='w' || fxEnvVar[0]=='W')) { + b->FXwindowHack = GL_TRUE; + FX_grSstControl(GR_CONTROL_DEACTIVATE); + } + else { + b->FXwindowHack = GL_FALSE; + } + } + } + else { + if (fxEnvVar[0]=='w' || fxEnvVar[0]=='W') + b->FXctx = fxMesaCreateContext(w, GR_RESOLUTION_NONE, + GR_REFRESH_75Hz, attribs); + else + b->FXctx = fxMesaCreateBestContext(0, b->mesa_buffer.Width, + b->mesa_buffer.Height, attribs); + b->FXisHackUsable = GL_FALSE; + b->FXwindowHack = GL_FALSE; + } + /* + fprintf(stderr, + "voodoo %d, wid %d height %d hack: usable %d active %d\n", + hw, b->mesa_buffer.Width, b->mesa_buffer.Height, + b->FXisHackUsable, b->FXwindowHack); + */ + } + } + else { + _mesa_warning(NULL, "WARNING: This Mesa Library includes the Glide driver but\n"); + _mesa_warning(NULL, " you have not defined the MESA_GLX_FX env. var.\n"); + _mesa_warning(NULL, " (check the README.3DFX file for more information).\n\n"); + _mesa_warning(NULL, " you can disable this message with a 'export MESA_GLX_FX=disable'.\n"); + } +#endif + + return b; +} + + +XMesaBuffer +XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w) +{ + return XMesaCreateWindowBuffer2( v, w, NULL ); +} + + +/** + * Create a new XMesaBuffer from an X pixmap. + * + * \param v the XMesaVisual + * \param p the pixmap + * \param cmap the colormap, may be 0 if using a \c GLX_TRUE_COLOR or + * \c GLX_DIRECT_COLOR visual for the pixmap + * \returns new XMesaBuffer or NULL if error + */ +XMesaBuffer +XMesaCreatePixmapBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap) +{ + int client = 0; + XMesaBuffer b; + + assert(v); + + b = alloc_xmesa_buffer(v, PIXMAP, cmap); + if (!b) { + return NULL; + } + +#ifdef XFree86Server + client = CLIENT_ID(((XMesaDrawable)p)->id); +#endif + + if (!initialize_visual_and_buffer(client, v, b, v->mesa_visual.rgbMode, + (XMesaDrawable)p, cmap)) { + free_xmesa_buffer(client, b); + return NULL; + } + + return b; +} + + + +XMesaBuffer +XMesaCreatePBuffer(XMesaVisual v, XMesaColormap cmap, + unsigned int width, unsigned int height) +{ +#ifdef XFree86Server + return 0; +#else + int client = 0; + XMesaWindow root; + XMesaDrawable drawable; /* X Pixmap Drawable */ + XMesaBuffer b; + + b = alloc_xmesa_buffer(v, PBUFFER, cmap); + if (!b) { + return NULL; + } + + /* allocate pixmap for front buffer */ + root = RootWindow( v->display, v->visinfo->screen ); + drawable = XCreatePixmap( v->display, root, width, height, v->visinfo->depth ); + + if (!initialize_visual_and_buffer(client, v, b, v->mesa_visual.rgbMode, + drawable, cmap)) { + free_xmesa_buffer(client, b); + return NULL; + } + + return b; +#endif +} + + + +/* + * Deallocate an XMesaBuffer structure and all related info. + */ +void XMesaDestroyBuffer( XMesaBuffer b ) +{ + int client = 0; + +#ifdef XFree86Server + if (b->frontxrb->drawable) + client = CLIENT_ID(b->frontxrb->drawable->id); +#endif + + if (b->gc) XMesaFreeGC( b->xm_visual->display, b->gc ); + if (b->cleargc) XMesaFreeGC( b->xm_visual->display, b->cleargc ); + if (b->swapgc) XMesaFreeGC( b->xm_visual->display, b->swapgc ); + + if (b->xm_visual->mesa_visual.doubleBufferMode) + { + if (b->backxrb->ximage) { +#if defined(USE_XSHM) && !defined(XFree86Server) + if (b->shm) { + XShmDetach( b->xm_visual->display, &b->shminfo ); + XDestroyImage( b->backxrb->ximage ); + shmdt( b->shminfo.shmaddr ); + } + else +#endif + XMesaDestroyImage( b->backxrb->ximage ); + } + if (b->backxrb->pixmap) { + XMesaFreePixmap( b->xm_visual->display, + (XMesaPixmap) b->backxrb->pixmap ); + if (b->xm_visual->hpcr_clear_flag) { + XMesaFreePixmap( b->xm_visual->display, + b->xm_visual->hpcr_clear_pixmap ); + XMesaDestroyImage( b->xm_visual->hpcr_clear_ximage ); + } + } + } + if (b->rowimage) { + _mesa_free( b->rowimage->data ); + b->rowimage->data = NULL; + XMesaDestroyImage( b->rowimage ); + } + + free_xmesa_buffer(client, b); +} + + + +/* + * Bind buffer b to context c and make c the current rendering context. + */ +GLboolean XMesaMakeCurrent( XMesaContext c, XMesaBuffer b ) +{ + return XMesaMakeCurrent2( c, b, b ); +} + + +/* + * Bind buffer b to context c and make c the current rendering context. + */ +GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer, + XMesaBuffer readBuffer ) +{ + if (c) { + if (!drawBuffer || !readBuffer) + return GL_FALSE; /* must specify buffers! */ + +#ifdef FX + if (drawBuffer->FXctx) { + fxMesaMakeCurrent(drawBuffer->FXctx); + + c->xm_buffer = drawBuffer; + + return GL_TRUE; + } +#endif + if (&(c->mesa) == _mesa_get_current_context() + && c->mesa.DrawBuffer == &drawBuffer->mesa_buffer + && c->mesa.ReadBuffer == &readBuffer->mesa_buffer + && ((XMesaBuffer) c->mesa.DrawBuffer)->wasCurrent) { + /* same context and buffer, do nothing */ + return GL_TRUE; + } + + c->xm_buffer = drawBuffer; + + _mesa_make_current(&(c->mesa), + &drawBuffer->mesa_buffer, + &readBuffer->mesa_buffer); + + if (c->xm_visual->mesa_visual.rgbMode) { + /* + * Must recompute and set these pixel values because colormap + * can be different for different windows. + */ + c->clearpixel = xmesa_color_to_pixel( &c->mesa, + c->clearcolor[0], + c->clearcolor[1], + c->clearcolor[2], + c->clearcolor[3], + c->xm_visual->undithered_pf); + XMesaSetForeground(c->display, drawBuffer->cleargc, c->clearpixel); + } + + /* Solution to Stephane Rehel's problem with glXReleaseBuffersMESA(): */ + drawBuffer->wasCurrent = GL_TRUE; + } + else { + /* Detach */ + _mesa_make_current( NULL, NULL, NULL ); + } + return GL_TRUE; +} + + +/* + * Unbind the context c from its buffer. + */ +GLboolean XMesaUnbindContext( XMesaContext c ) +{ + /* A no-op for XFree86 integration purposes */ + return GL_TRUE; +} + + +XMesaContext XMesaGetCurrentContext( void ) +{ + GET_CURRENT_CONTEXT(ctx); + if (ctx) { + XMesaContext xmesa = XMESA_CONTEXT(ctx); + return xmesa; + } + else { + return 0; + } +} + + +XMesaBuffer XMesaGetCurrentBuffer( void ) +{ + GET_CURRENT_CONTEXT(ctx); + if (ctx) { + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + return xmbuf; + } + else { + return 0; + } +} + + +/* New in Mesa 3.1 */ +XMesaBuffer XMesaGetCurrentReadBuffer( void ) +{ + GET_CURRENT_CONTEXT(ctx); + if (ctx) { + return (XMesaBuffer) (ctx->ReadBuffer); + } + else { + return 0; + } +} + + +GLboolean XMesaForceCurrent(XMesaContext c) +{ + if (c) { + if (&(c->mesa) != _mesa_get_current_context()) { + _mesa_make_current(&c->mesa, c->mesa.DrawBuffer, c->mesa.ReadBuffer); + } + } + else { + _mesa_make_current(NULL, NULL, NULL); + } + return GL_TRUE; +} + + +GLboolean XMesaLoseCurrent(XMesaContext c) +{ + (void) c; + _mesa_make_current(NULL, NULL, NULL); + return GL_TRUE; +} + + +/* + * Switch 3Dfx support hack between window and full-screen mode. + */ +GLboolean XMesaSetFXmode( GLint mode ) +{ +#ifdef FX + const char *fx = _mesa_getenv("MESA_GLX_FX"); + if (fx && fx[0] != 'd') { + GET_CURRENT_CONTEXT(ctx); + GrHwConfiguration hw; + if (!FX_grSstQueryHardware(&hw)) { + /*fprintf(stderr, "!grSstQueryHardware\n");*/ + return GL_FALSE; + } + if (hw.num_sst < 1) { + /*fprintf(stderr, "hw.num_sst < 1\n");*/ + return GL_FALSE; + } + if (ctx) { + /* [dBorca] Hack alert: + * oh, this is sooo wrong: ctx above is + * really an fxMesaContext, not an XMesaContext + */ + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + if (mode == XMESA_FX_WINDOW) { + if (xmbuf->FXisHackUsable) { + FX_grSstControl(GR_CONTROL_DEACTIVATE); + xmbuf->FXwindowHack = GL_TRUE; + return GL_TRUE; + } + } + else if (mode == XMESA_FX_FULLSCREEN) { + FX_grSstControl(GR_CONTROL_ACTIVATE); + xmbuf->FXwindowHack = GL_FALSE; + return GL_TRUE; + } + else { + /* Error: Bad mode value */ + } + } + } + /*fprintf(stderr, "fallthrough\n");*/ +#else + (void) mode; +#endif + return GL_FALSE; +} + + + +#ifdef FX +/* + * Read image from VooDoo frame buffer into X/Mesa's back XImage. + */ +static void FXgetImage( XMesaBuffer b ) +{ + GET_CURRENT_CONTEXT(ctx); + static unsigned short pixbuf[MAX_WIDTH]; + GLuint x, y; + int xpos, ypos; + XMesaWindow root; + unsigned int bw, depth, width, height; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + +#ifdef XFree86Server + x = b->frontxrb->pixmap->x; + y = b->frontxrb->pixmap->y; + width = b->frontxrb->pixmap->width; + height = b->frontxrb->pixmap->height; + depth = b->frontxrb->pixmap->depth; +#else + XGetGeometry( b->xm_visual->display, b->frontxrb->pixmap, + &root, &xpos, &ypos, &width, &height, &bw, &depth); +#endif + if (b->mesa_buffer.Width != width || b->mesa_buffer.Height != height) { + b->mesa_buffer.Width = MIN2((int)width, b->FXctx->width); + b->mesa_buffer.Height = MIN2((int)height, b->FXctx->height); + if (b->mesa_buffer.Width & 1) + b->mesa_buffer.Width--; /* prevent odd width */ + xmesa_alloc_back_buffer(b, b->mesa_buffer.Width, b->mesa_buffer.Height); + } + + /* [dBorca] we're always in the right GR_COLORFORMAT... aren't we? */ + /* grLfbWriteColorFormat(GR_COLORFORMAT_ARGB); */ + if (b->xm_visual->undithered_pf==PF_5R6G5B) { + /* Special case: 16bpp RGB */ + grLfbReadRegion( GR_BUFFER_FRONTBUFFER, /* src buffer */ + 0, b->FXctx->height - b->mesa_buffer.Height, /*pos*/ + b->mesa_buffer.Width, b->mesa_buffer.Height, /* size */ + b->mesa_buffer.Width * sizeof(GLushort), /* stride */ + b->backxrb->ximage->data); /* dest buffer */ + } + else if (b->xm_visual->dithered_pf==PF_Dither + && GET_VISUAL_DEPTH(b->xm_visual)==8) { + /* Special case: 8bpp RGB */ + for (y=0;y<b->mesa_buffer.Height;y++) { + GLubyte *ptr = (GLubyte*) b->backxrb->ximage->data + + b->backxrb->ximage->bytes_per_line * y; + XDITHER_SETUP(y); + + /* read row from 3Dfx frame buffer */ + grLfbReadRegion( GR_BUFFER_FRONTBUFFER, + 0, b->FXctx->height-(b->mesa_buffer.Height-y), + b->mesa_buffer.Width, 1, + 0, + pixbuf ); + + /* write to XImage back buffer */ + for (x=0;x<b->mesa_buffer.Width;x++) { + GLubyte r = (pixbuf[x] & 0xf800) >> 8; + GLubyte g = (pixbuf[x] & 0x07e0) >> 3; + GLubyte b = (pixbuf[x] & 0x001f) << 3; + *ptr++ = XDITHER( x, r, g, b); + } + } + } + else { + /* General case: slow! */ + for (y=0;y<b->mesa_buffer.Height;y++) { + /* read row from 3Dfx frame buffer */ + grLfbReadRegion( GR_BUFFER_FRONTBUFFER, + 0, b->FXctx->height-(b->mesa_buffer.Height-y), + b->mesa_buffer.Width, 1, + 0, + pixbuf ); + + /* write to XImage back buffer */ + for (x=0;x<b->mesa_buffer.Width;x++) { + XMesaPutPixel(b->backxrb->ximage,x,y, + xmesa_color_to_pixel(ctx, + (pixbuf[x] & 0xf800) >> 8, + (pixbuf[x] & 0x07e0) >> 3, + (pixbuf[x] & 0x001f) << 3, + 0xff, + b->xm_visual->undithered_pf)); + } + } + } + /* grLfbWriteColorFormat(GR_COLORFORMAT_ABGR); */ +} +#endif + + +/* + * Copy the back buffer to the front buffer. If there's no back buffer + * this is a no-op. + */ +void XMesaSwapBuffers( XMesaBuffer b ) +{ + GET_CURRENT_CONTEXT(ctx); + + /* If we're swapping the buffer associated with the current context + * we have to flush any pending rendering commands first. + */ + if (ctx && ctx->DrawBuffer == &(b->mesa_buffer)) + _mesa_notifySwapBuffers(ctx); + + if (b->db_state) { +#ifdef FX + if (b->FXctx) { + fxMesaSwapBuffers(); + + if (b->FXwindowHack) + FXgetImage(b); + else + return; + } +#endif + if (b->backxrb->ximage) { + /* Copy Ximage from host's memory to server's window */ +#if defined(USE_XSHM) && !defined(XFree86Server) + if (b->shm) { + /*_glthread_LOCK_MUTEX(_xmesa_lock);*/ + XShmPutImage( b->xm_visual->display, b->frontxrb->drawable, + b->swapgc, + b->backxrb->ximage, 0, 0, + 0, 0, b->mesa_buffer.Width, b->mesa_buffer.Height, + False ); + /*_glthread_UNLOCK_MUTEX(_xmesa_lock);*/ + } + else +#endif + { + /*_glthread_LOCK_MUTEX(_xmesa_lock);*/ + XMesaPutImage( b->xm_visual->display, b->frontxrb->drawable, + b->swapgc, + b->backxrb->ximage, 0, 0, + 0, 0, b->mesa_buffer.Width, b->mesa_buffer.Height ); + /*_glthread_UNLOCK_MUTEX(_xmesa_lock);*/ + } + } + else { + /* Copy pixmap to window on server */ + /*_glthread_LOCK_MUTEX(_xmesa_lock);*/ + XMesaCopyArea( b->xm_visual->display, + b->backxrb->pixmap, /* source drawable */ + b->frontxrb->drawable, /* dest. drawable */ + b->swapgc, + 0, 0, b->mesa_buffer.Width, b->mesa_buffer.Height, + 0, 0 /* dest region */ + ); + /*_glthread_UNLOCK_MUTEX(_xmesa_lock);*/ + } + } +#if !defined(XFree86Server) + XSync( b->xm_visual->display, False ); +#endif +} + + + +/* + * Copy sub-region of back buffer to front buffer + */ +void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height ) +{ + GET_CURRENT_CONTEXT(ctx); + + /* If we're swapping the buffer associated with the current context + * we have to flush any pending rendering commands first. + */ + if (ctx && ctx->DrawBuffer == &(b->mesa_buffer)) + _mesa_notifySwapBuffers(ctx); + + if (b->db_state) { + int yTop = b->mesa_buffer.Height - y - height; +#ifdef FX + if (b->FXctx) { + fxMesaSwapBuffers(); + if (b->FXwindowHack) + FXgetImage(b); + else + return; + } +#endif + if (b->backxrb->ximage) { + /* Copy Ximage from host's memory to server's window */ +#if defined(USE_XSHM) && !defined(XFree86Server) + if (b->shm) { + /* XXX assuming width and height aren't too large! */ + XShmPutImage( b->xm_visual->display, b->frontxrb->drawable, + b->swapgc, + b->backxrb->ximage, x, yTop, + x, yTop, width, height, False ); + /* wait for finished event??? */ + } + else +#endif + { + /* XXX assuming width and height aren't too large! */ + XMesaPutImage( b->xm_visual->display, b->frontxrb->drawable, + b->swapgc, + b->backxrb->ximage, x, yTop, + x, yTop, width, height ); + } + } + else { + /* Copy pixmap to window on server */ + XMesaCopyArea( b->xm_visual->display, + b->backxrb->pixmap, /* source drawable */ + b->frontxrb->drawable, /* dest. drawable */ + b->swapgc, + x, yTop, width, height, /* source region */ + x, yTop /* dest region */ + ); + } + } +} + + +/* + * Return a pointer to the XMesa backbuffer Pixmap or XImage. This function + * is a way to get "under the hood" of X/Mesa so one can manipulate the + * back buffer directly. + * Output: pixmap - pointer to back buffer's Pixmap, or 0 + * ximage - pointer to back buffer's XImage, or NULL + * Return: GL_TRUE = context is double buffered + * GL_FALSE = context is single buffered + */ +#ifndef XFree86Server +GLboolean XMesaGetBackBuffer( XMesaBuffer b, + XMesaPixmap *pixmap, + XMesaImage **ximage ) +{ + if (b->db_state) { + if (pixmap) *pixmap = b->backxrb->pixmap; + if (ximage) *ximage = b->backxrb->ximage; + return GL_TRUE; + } + else { + *pixmap = 0; + *ximage = NULL; + return GL_FALSE; + } +} +#endif /* XFree86Server */ + + +/* + * Return the depth buffer associated with an XMesaBuffer. + * Input: b - the XMesa buffer handle + * Output: width, height - size of buffer in pixels + * bytesPerValue - bytes per depth value (2 or 4) + * buffer - pointer to depth buffer values + * Return: GL_TRUE or GL_FALSE to indicate success or failure. + */ +GLboolean XMesaGetDepthBuffer( XMesaBuffer b, GLint *width, GLint *height, + GLint *bytesPerValue, void **buffer ) +{ + struct gl_renderbuffer *rb + = b->mesa_buffer.Attachment[BUFFER_DEPTH].Renderbuffer; + if (!rb || !rb->Data) { + *width = 0; + *height = 0; + *bytesPerValue = 0; + *buffer = 0; + return GL_FALSE; + } + else { + *width = b->mesa_buffer.Width; + *height = b->mesa_buffer.Height; + *bytesPerValue = b->mesa_buffer.Visual.depthBits <= 16 + ? sizeof(GLushort) : sizeof(GLuint); + *buffer = rb->Data; + return GL_TRUE; + } +} + + +void XMesaFlush( XMesaContext c ) +{ + if (c && c->xm_visual) { +#ifdef XFree86Server + /* NOT_NEEDED */ +#else + XSync( c->xm_visual->display, False ); +#endif + } +} + + + +const char *XMesaGetString( XMesaContext c, int name ) +{ + (void) c; + if (name==XMESA_VERSION) { + return "5.0"; + } + else if (name==XMESA_EXTENSIONS) { + return ""; + } + else { + return NULL; + } +} + + + +XMesaBuffer XMesaFindBuffer( XMesaDisplay *dpy, XMesaDrawable d ) +{ + XMesaBuffer b; + for (b=XMesaBufferList; b; b=b->Next) { + if (b->frontxrb->drawable == d && b->display == dpy) { + return b; + } + } + return NULL; +} + + + +/* + * Look for XMesaBuffers whose X window has been destroyed. + * Deallocate any such XMesaBuffers. + */ +void XMesaGarbageCollect( void ) +{ + XMesaBuffer b, next; + for (b=XMesaBufferList; b; b=next) { + next = b->Next; + if (b->display && b->frontxrb->drawable && b->type == WINDOW) { +#ifdef XFree86Server + /* NOT_NEEDED */ +#else + XSync(b->display, False); + if (!window_exists( b->display, b->frontxrb->drawable )) { + /* found a dead window, free the ancillary info */ + XMesaDestroyBuffer( b ); + } +#endif + } + } +} + + +void XMesaReset( void ) +{ + while (XMesaBufferList) + XMesaDestroyBuffer(XMesaBufferList); + + XMesaBufferList = NULL; +} + + +unsigned long XMesaDitherColor( XMesaContext xmesa, GLint x, GLint y, + GLfloat red, GLfloat green, + GLfloat blue, GLfloat alpha ) +{ + GLcontext *ctx = &xmesa->mesa; + GLint r = (GLint) (red * 255.0F); + GLint g = (GLint) (green * 255.0F); + GLint b = (GLint) (blue * 255.0F); + GLint a = (GLint) (alpha * 255.0F); + + switch (xmesa->pixelformat) { + case PF_Index: + return 0; + case PF_Truecolor: + { + unsigned long p; + PACK_TRUECOLOR( p, r, g, b ); + return p; + } + case PF_8A8B8G8R: + return PACK_8A8B8G8R( r, g, b, a ); + case PF_8A8R8G8B: + return PACK_8A8R8G8B( r, g, b, a ); + case PF_8R8G8B: + return PACK_8R8G8B( r, g, b ); + case PF_5R6G5B: + return PACK_5R6G5B( r, g, b ); + case PF_Dither: + { + DITHER_SETUP; + return DITHER( x, y, r, g, b ); + } + case PF_1Bit: + /* 382 = (3*255)/2 */ + return ((r+g+b) > 382) ^ xmesa->xm_visual->bitFlip; + case PF_HPCR: + return DITHER_HPCR(x, y, r, g, b); + case PF_Lookup: + { + LOOKUP_SETUP; + return LOOKUP( r, g, b ); + } + case PF_Grayscale: + return GRAY_RGB( r, g, b ); + case PF_Dither_5R6G5B: + /* fall through */ + case PF_Dither_True: + { + unsigned long p; + PACK_TRUEDITHER(p, x, y, r, g, b); + return p; + } + default: + _mesa_problem(NULL, "Bad pixel format in XMesaDitherColor"); + } + return 0; +} + + +/* + * This is typically called when the window size changes and we need + * to reallocate the buffer's back/depth/stencil/accum buffers. + */ +void XMesaResizeBuffers( XMesaBuffer b ) +{ +#ifdef XFree86Server + GLuint winwidth, winheight; + GET_CURRENT_CONTEXT(ctx); + + winwidth = MIN2(b->frontxrb->drawable->width, MAX_WIDTH); + winheight = MIN2(b->frontxrb->drawable->height, MAX_HEIGHT); + + xmesa_resize_buffers(ctx, &(b->mesa_buffer), winwidth, winheight); +#else + Window root; + int xpos, ypos; + unsigned int width, height, bw, depth; + GET_CURRENT_CONTEXT(ctx); + XGetGeometry( b->xm_visual->display, b->frontxrb->pixmap, + &root, &xpos, &ypos, &width, &height, &bw, &depth); + xmesa_resize_buffers(ctx, &(b->mesa_buffer), width, height); +#endif +} + diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_buffer.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_buffer.c new file mode 100644 index 000000000..593ac2bb1 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_buffer.c @@ -0,0 +1,115 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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 "glxheader.h" +#include "GL/xmesa.h" +#include "xmesaP.h" +#include "imports.h" +#include "renderbuffer.h" + + +static void +xmesa_delete_renderbuffer(struct gl_renderbuffer *rb) +{ + /* XXX Note: the ximage or Pixmap attached to this renderbuffer + * should probably get freed here, but that's currently done in + * XMesaDestroyBuffer(). + */ + _mesa_free(rb); +} + + +/** + * Reallocate renderbuffer storage. + * This is called when the window's resized. It'll get called once for + * the front color renderbuffer and again for the back color renderbuffer. + */ +static GLboolean +xmesa_alloc_storage(GLcontext *ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + + if (xrb->ximage) { + /* Needed by PIXELADDR1 macro */ + xrb->width1 = xrb->ximage->bytes_per_line; + xrb->origin1 = (GLubyte *) xrb->ximage->data + xrb->width1 * (height - 1); + + /* Needed by PIXELADDR2 macro */ + xrb->width2 = xrb->ximage->bytes_per_line / 2; + xrb->origin2 = (GLushort *) xrb->ximage->data + xrb->width2 * (height - 1); + + /* Needed by PIXELADDR3 macro */ + xrb->width3 = xrb->ximage->bytes_per_line; + xrb->origin3 = (GLubyte *) xrb->ximage->data + xrb->width3 * (height - 1); + + /* Needed by PIXELADDR4 macro */ + xrb->width4 = xrb->ximage->width; + xrb->origin4 = (GLuint *) xrb->ximage->data + xrb->width4 * (height - 1); + } + else { + assert(xrb->pixmap); + } + + /* for the FLIP macro: */ + xrb->bottom = height - 1; + + rb->Width = width; + rb->Height = height; + rb->InternalFormat = internalFormat; + + return GL_TRUE; +} + + +struct xmesa_renderbuffer * +xmesa_new_renderbuffer(GLcontext *ctx, GLuint name, GLboolean rgbMode) +{ + struct xmesa_renderbuffer *xrb = CALLOC_STRUCT(xmesa_renderbuffer); + if (xrb) { + GLuint name = 0; + _mesa_init_renderbuffer(&xrb->Base, name); + + xrb->Base.Delete = xmesa_delete_renderbuffer; + xrb->Base.AllocStorage = xmesa_alloc_storage; + + if (rgbMode) { + xrb->Base.InternalFormat = GL_RGBA; + xrb->Base._BaseFormat = GL_RGBA; + xrb->Base.DataType = GL_UNSIGNED_BYTE; + } + else { + xrb->Base.InternalFormat = GL_COLOR_INDEX; + xrb->Base._BaseFormat = GL_COLOR_INDEX; + xrb->Base.DataType = GL_UNSIGNED_INT; + } + xrb->Base.ComponentSizes[0] = 0; /* XXX fix? */ + } + return xrb; +} + + + + diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_dd.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_dd.c new file mode 100644 index 000000000..bc16a7bd4 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_dd.c @@ -0,0 +1,1201 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2004 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 "glxheader.h" +#include "bufferobj.h" +#include "buffers.h" +#include "context.h" +#include "colormac.h" +#include "depth.h" +#include "drawpix.h" +#include "extensions.h" +#include "framebuffer.h" +#include "macros.h" +#include "image.h" +#include "imports.h" +#include "mtypes.h" +#include "state.h" +#include "texobj.h" +#include "teximage.h" +#include "texstore.h" +#include "texformat.h" +#include "xmesaP.h" +#include "array_cache/acache.h" +#include "swrast/swrast.h" +#include "swrast/s_context.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "tnl/t_context.h" + +#ifdef XFree86Server +#include <GL/glxtokens.h> +#endif + + + +/* + * Dithering kernels and lookup tables. + */ + +const int xmesa_kernel8[DITH_DY * DITH_DX] = { + 0 * MAXC, 8 * MAXC, 2 * MAXC, 10 * MAXC, + 12 * MAXC, 4 * MAXC, 14 * MAXC, 6 * MAXC, + 3 * MAXC, 11 * MAXC, 1 * MAXC, 9 * MAXC, + 15 * MAXC, 7 * MAXC, 13 * MAXC, 5 * MAXC, +}; + +const short xmesa_HPCR_DRGB[3][2][16] = { + { + { 16, -4, 1,-11, 14, -6, 3, -9, 15, -5, 2,-10, 13, -7, 4, -8}, + {-15, 5, 0, 12,-13, 7, -2, 10,-14, 6, -1, 11,-12, 8, -3, 9} + }, + { + {-11, 15, -7, 3, -8, 14, -4, 2,-10, 16, -6, 4, -9, 13, -5, 1}, + { 12,-14, 8, -2, 9,-13, 5, -1, 11,-15, 7, -3, 10,-12, 6, 0} + }, + { + { 6,-18, 26,-14, 2,-22, 30,-10, 8,-16, 28,-12, 4,-20, 32, -8}, + { -4, 20,-24, 16, 0, 24,-28, 12, -6, 18,-26, 14, -2, 22,-30, 10} + } +}; + +const int xmesa_kernel1[16] = { + 0*47, 9*47, 4*47, 12*47, /* 47 = (255*3)/16 */ + 6*47, 2*47, 14*47, 8*47, + 10*47, 1*47, 5*47, 11*47, + 7*47, 13*47, 3*47, 15*47 +}; + + +/* + * Return the size (width, height) of the X window for the given GLframebuffer. + * Output: width - width of buffer in pixels. + * height - height of buffer in pixels. + */ +static void +get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height ) +{ + /* We can do this cast because the first field in the XMesaBuffer + * struct is a GLframebuffer struct. If this weren't true, we'd + * need a pointer from the GLframebuffer to the XMesaBuffer. + */ + const XMesaBuffer xmBuffer = (XMesaBuffer) buffer; + unsigned int winwidth, winheight; +#ifdef XFree86Server + /* XFree86 GLX renderer */ + winwidth = MIN2(xmBuffer->frontxrb->drawable->width, MAX_WIDTH); + winheight = MIN2(xmBuffer->frontxrb->drawable->height, MAX_HEIGHT); +#else + Window root; + int winx, winy; + unsigned int bw, d; + + _glthread_LOCK_MUTEX(_xmesa_lock); + XSync(xmBuffer->xm_visual->display, 0); /* added for Chromium */ + XGetGeometry( xmBuffer->xm_visual->display, xmBuffer->frontxrb->pixmap, &root, + &winx, &winy, &winwidth, &winheight, &bw, &d ); + _glthread_UNLOCK_MUTEX(_xmesa_lock); +#endif + + *width = winwidth; + *height = winheight; +} + + +static void +finish_or_flush( GLcontext *ctx ) +{ +#ifdef XFree86Server + /* NOT_NEEDED */ +#else + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + if (xmesa) { + _glthread_LOCK_MUTEX(_xmesa_lock); + XSync( xmesa->display, False ); + _glthread_UNLOCK_MUTEX(_xmesa_lock); + } +#endif +} + + +static void +clear_index( GLcontext *ctx, GLuint index ) +{ + if (ctx->DrawBuffer->Name == 0) { + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + xmesa->clearpixel = (unsigned long) index; + XMesaSetForeground( xmesa->display, xmbuf->cleargc, (unsigned long) index ); + } +} + + +static void +clear_color( GLcontext *ctx, const GLfloat color[4] ) +{ + if (ctx->DrawBuffer->Name == 0) { + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[3], color[3]); + xmesa->clearpixel = xmesa_color_to_pixel( ctx, + xmesa->clearcolor[0], + xmesa->clearcolor[1], + xmesa->clearcolor[2], + xmesa->clearcolor[3], + xmesa->xm_visual->undithered_pf ); + _glthread_LOCK_MUTEX(_xmesa_lock); + XMesaSetForeground( xmesa->display, xmbuf->cleargc, + xmesa->clearpixel ); + _glthread_UNLOCK_MUTEX(_xmesa_lock); + } +} + + + +/* Set index mask ala glIndexMask */ +static void +index_mask( GLcontext *ctx, GLuint mask ) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + /* not sure this conditional is really needed */ + if (xmbuf->backxrb && xmbuf->backxrb->pixmap) { + unsigned long m; + if (mask==0xffffffff) { + m = ((unsigned long)~0L); + } + else { + m = (unsigned long) mask; + } + XMesaSetPlaneMask( xmesa->display, xmbuf->cleargc, m ); + XMesaSetPlaneMask( xmesa->display, xmbuf->gc, m ); + } +} + + +/* Implements glColorMask() */ +static void +color_mask(GLcontext *ctx, + GLboolean rmask, GLboolean gmask, GLboolean bmask, GLboolean amask) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + const int xclass = xmesa->xm_visual->mesa_visual.visualType; + (void) amask; + + if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) { + unsigned long m; + if (rmask && gmask && bmask) { + m = ((unsigned long)~0L); + } + else { + m = 0; + if (rmask) m |= GET_REDMASK(xmesa->xm_visual); + if (gmask) m |= GET_GREENMASK(xmesa->xm_visual); + if (bmask) m |= GET_BLUEMASK(xmesa->xm_visual); + } + XMesaSetPlaneMask( xmesa->display, xmbuf->cleargc, m ); + XMesaSetPlaneMask( xmesa->display, xmbuf->gc, m ); + } +} + + + +/**********************************************************************/ +/*** glClear implementations ***/ +/**********************************************************************/ + + +/** + * Clear the front or back color buffer, if it's implemented with a pixmap. + */ +static void +clear_pixmap(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLboolean all, + GLint x, GLint y, GLint width, GLint height) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + + assert(xmbuf); + assert(xrb->pixmap); + assert(xmesa); + assert(xmesa->display); + assert(xrb->pixmap); + assert(xmbuf->cleargc); + + if (all) { + XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc, + 0, 0, xrb->Base.Width + 1, xrb->Base.Height + 1 ); + } + else { + XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc, + x, xrb->Base.Height - y - height, + width, height ); + } +} + + +static void +clear_8bit_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, GLint width, GLint height ) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + + if (all) { + const size_t n = xrb->ximage->bytes_per_line * xrb->Base.Height; + MEMSET( xrb->ximage->data, xmesa->clearpixel, n ); + } + else { + GLint i; + for (i=0;i<height;i++) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x, y + i); + MEMSET( ptr, xmesa->clearpixel, width ); + } + } +} + + +static void +clear_HPCR_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, GLint width, GLint height ) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + + if (all) { + GLint i, c16 = (xrb->ximage->bytes_per_line>>4)<<4; + GLubyte *ptr = (GLubyte *) xrb->ximage->data; + for (i = 0; i < xrb->Base.Height; i++) { + GLint j; + GLubyte *sptr = xmesa->xm_visual->hpcr_clear_ximage_pattern[0]; + if (i&1) { + sptr += 16; + } + for (j=0; j<c16; j+=16) { + ptr[0] = sptr[0]; + ptr[1] = sptr[1]; + ptr[2] = sptr[2]; + ptr[3] = sptr[3]; + ptr[4] = sptr[4]; + ptr[5] = sptr[5]; + ptr[6] = sptr[6]; + ptr[7] = sptr[7]; + ptr[8] = sptr[8]; + ptr[9] = sptr[9]; + ptr[10] = sptr[10]; + ptr[11] = sptr[11]; + ptr[12] = sptr[12]; + ptr[13] = sptr[13]; + ptr[14] = sptr[14]; + ptr[15] = sptr[15]; + ptr += 16; + } + for (; j < xrb->ximage->bytes_per_line; j++) { + *ptr = sptr[j&15]; + ptr++; + } + } + } + else { + GLint i; + for (i=y; i<y+height; i++) { + GLubyte *ptr = PIXEL_ADDR1( xrb, x, i ); + int j; + const GLubyte *sptr = xmesa->xm_visual->hpcr_clear_ximage_pattern[0]; + if (i&1) { + sptr += 16; + } + for (j=x; j<x+width; j++) { + *ptr = sptr[j&15]; + ptr++; + } + } + } +} + + +static void +clear_16bit_ximage( GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, GLint width, GLint height) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint pixel = (GLuint) xmesa->clearpixel; + + if (xmesa->swapbytes) { + pixel = ((pixel >> 8) & 0x00ff) | ((pixel << 8) & 0xff00); + } + + if (all) { + GLuint *ptr4 = (GLuint *) xrb->ximage->data; + if ((pixel & 0xff) == ((pixel >> 8) & 0xff)) { + /* low and high bytes are equal so use memset() */ + const GLuint n = xrb->ximage->bytes_per_line * xrb->Base.Height; + MEMSET( ptr4, pixel & 0xff, n ); + } + else { + const GLuint n = xrb->ximage->bytes_per_line * xrb->Base.Height / 4; + GLuint i; + pixel = pixel | (pixel<<16); + for (i = 0; i < n; i++) { + ptr4[i] = pixel; + } + ptr4 += n; + /* might be one last GLushort to set */ + if ((xrb->ximage->bytes_per_line * xrb->Base.Height) & 0x2) + *(GLushort *)ptr4 = pixel & 0xffff; + } + } + else { + GLint i, j; + for (j=0;j<height;j++) { + GLushort *ptr2 = PIXEL_ADDR2(xrb, x, y + j); + for (i=0;i<width;i++) { + *ptr2++ = pixel; + } + } + } +} + + +/* Optimized code provided by Nozomi Ytow <noz@xfree86.org> */ +static void +clear_24bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, GLint width, GLint height) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const GLubyte r = xmesa->clearcolor[0]; + const GLubyte g = xmesa->clearcolor[1]; + const GLubyte b = xmesa->clearcolor[2]; + + if (all) { + if (r == g && g == b) { + /* same value for all three components (gray) */ + const GLint w3 = xrb->Base.Width * 3; + const GLint h = xrb->Base.Height; + GLint i; + for (i = 0; i < h; i++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, i); + MEMSET(ptr3, r, w3); + } + } + else { + /* the usual case */ + const GLint w = xrb->Base.Width; + const GLint h = xrb->Base.Height; + GLint i, j; + for (i = 0; i < h; i++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, i); + for (j = 0; j < w; j++) { + ptr3->r = r; + ptr3->g = g; + ptr3->b = b; + ptr3++; + } + } + } + } + else { + /* only clear subrect of color buffer */ + if (r == g && g == b) { + /* same value for all three components (gray) */ + GLint j; + for (j=0;j<height;j++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y + j); + MEMSET(ptr3, r, 3 * width); + } + } + else { + /* non-gray clear color */ + GLint i, j; + for (j = 0; j < height; j++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y + j); + for (i = 0; i < width; i++) { + ptr3->r = r; + ptr3->g = g; + ptr3->b = b; + ptr3++; + } + } + } + } +} + + +static void +clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, GLint width, GLint height) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint pixel = (GLuint) xmesa->clearpixel; + + if (xmesa->swapbytes) { + pixel = ((pixel >> 24) & 0x000000ff) + | ((pixel >> 8) & 0x0000ff00) + | ((pixel << 8) & 0x00ff0000) + | ((pixel << 24) & 0xff000000); + } + + if (all) { + const GLuint n = xrb->Base.Width * xrb->Base.Height; + GLuint *ptr4 = (GLuint *) xrb->ximage->data; + if (pixel == 0) { + _mesa_memset(ptr4, pixel, 4 * n); + } + else { + GLuint i; + for (i = 0; i < n; i++) + ptr4[i] = pixel; + } + } + else { + GLint i, j; + for (j = 0; j < height; j++) { + GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y + j); + for (i = 0; i < width; i++) { + ptr4[i] = pixel; + } + } + } +} + + +static void +clear_nbit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, GLint width, GLint height) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaImage *img = xrb->ximage; + GLint i, j; + + /* We can ignore 'all' here - x, y, width, height are always right */ + (void) all; + + /* TODO: optimize this */ + y = YFLIP(xrb, y); + for (j = 0; j < height; j++) { + for (i = 0; i < width; i++) { + XMesaPutPixel(img, x+i, y-j, xmesa->clearpixel); + } + } +} + + + +static void +clear_buffers( GLcontext *ctx, GLbitfield mask, + GLboolean all, GLint x, GLint y, GLint width, GLint height ) +{ + if (ctx->DrawBuffer->Name == 0) { + /* this is a window system framebuffer */ + const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask; + XMesaBuffer b = (XMesaBuffer) ctx->DrawBuffer; + + /* we can't handle color or index masking */ + if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) { + if (mask & BUFFER_BIT_FRONT_LEFT) { + /* clear front color buffer */ + if (b->frontxrb == (struct xmesa_renderbuffer *) + ctx->DrawBuffer->Attachment[BUFFER_FRONT_LEFT].Renderbuffer) { + /* renderbuffer is not wrapped - great! */ + b->frontxrb->clearFunc(ctx, b->frontxrb, all, x, y, + width, height); + mask &= ~BUFFER_BIT_FRONT_LEFT; + } + else { + /* we can't directly clear an alpha-wrapped color buffer */ + } + } + if (mask & BUFFER_BIT_BACK_LEFT) { + /* clear back color buffer */ + if (b->backxrb == (struct xmesa_renderbuffer *) + ctx->DrawBuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer) { + /* renderbuffer is not wrapped - great! */ + b->backxrb->clearFunc(ctx, b->backxrb, all, x, y, + width, height); + mask &= ~BUFFER_BIT_BACK_LEFT; + } + } + } + } + if (mask) + _swrast_Clear( ctx, mask, all, x, y, width, height ); +} + + +/** + * Called by ctx->Driver.ResizeBuffers() + * Resize the front/back colorbuffers to match the latest window size. + */ +void +xmesa_resize_buffers(GLcontext *ctx, GLframebuffer *buffer, + GLuint width, GLuint height) +{ + /* We can do this cast because the first field in the XMesaBuffer + * struct is a GLframebuffer struct. If this weren't true, we'd + * need a pointer from the GLframebuffer to the XMesaBuffer. + */ + XMesaBuffer xmBuffer = (XMesaBuffer) buffer; + + xmesa_alloc_back_buffer(xmBuffer, width, height); + + _mesa_resize_framebuffer(ctx, buffer, width, height); + + if (ctx) + ctx->NewState |= _NEW_BUFFERS; /* to update scissor / window bounds */ +} + + +#ifndef XFree86Server +/* XXX this was never tested in the Xserver environment */ + +/** + * This function implements glDrawPixels() with an XPutImage call when + * drawing to the front buffer (X Window drawable). + * The image format must be GL_BGRA to match the PF_8R8G8B pixel format. + */ +static void +xmesa_DrawPixels_8R8G8B( GLcontext *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels ) +{ + struct xmesa_renderbuffer *xrb + = (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]; + + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const SWcontext *swrast = SWRAST_CONTEXT( ctx ); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + const XMesaGC gc = xmbuf->gc; + + ASSERT(dpy); + ASSERT(gc); + ASSERT(xmesa->xm_visual->dithered_pf == PF_8R8G8B); + ASSERT(xmesa->xm_visual->undithered_pf == PF_8R8G8B); + + if (swrast->NewState) + _swrast_validate_derived( ctx ); + + if (xrb->pixmap && + format == GL_BGRA && + type == GL_UNSIGNED_BYTE && + (swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */ + ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */ + ctx->Pixel.ZoomX == 1.0 && /* no zooming */ + ctx->Pixel.ZoomY == 1.0) { + int dstX = x; + int dstY = y; + int w = width; + int h = height; + int srcX = unpack->SkipPixels; + int srcY = unpack->SkipRows; + int rowLength = unpack->RowLength ? unpack->RowLength : width; + + if (unpack->BufferObj->Name) { + /* unpack from PBO */ + GLubyte *buf; + if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, + format, type, pixels)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawPixels(invalid PBO access)"); + return; + } + buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, + GL_PIXEL_UNPACK_BUFFER_EXT, + GL_READ_ONLY_ARB, + unpack->BufferObj); + if (!buf) { + /* buffer is already mapped - that's an error */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawPixels(PBO is mapped)"); + return; + } + pixels = ADD_POINTERS(buf, pixels); + } + + if (_mesa_clip_drawpixels(ctx, &dstX, &dstY, &w, &h, &srcX, &srcY)) { + /* This is a little tricky since all coordinates up to now have + * been in the OpenGL bottom-to-top orientation. X is top-to-bottom + * so we have to carefully compute the Y coordinates/addresses here. + */ + XMesaImage ximage; + MEMSET(&ximage, 0, sizeof(XMesaImage)); + ximage.width = width; + ximage.height = height; + ximage.format = ZPixmap; + ximage.data = (char *) pixels + + ((srcY + h - 1) * rowLength + srcX) * 4; + ximage.byte_order = LSBFirst; + ximage.bitmap_unit = 32; + ximage.bitmap_bit_order = LSBFirst; + ximage.bitmap_pad = 32; + ximage.depth = 24; + ximage.bytes_per_line = -rowLength * 4; /* negative to flip image */ + ximage.bits_per_pixel = 32; + /* it seems we don't need to set the ximage.red/green/blue_mask fields */ + /* flip Y axis for dest position */ + dstY = YFLIP(xrb, dstY) - h + 1; + XPutImage(dpy, xrb->pixmap, gc, &ximage, 0, 0, dstX, dstY, w, h); + } + + if (unpack->BufferObj->Name) { + ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + unpack->BufferObj); + } + } + else { + /* software fallback */ + _swrast_DrawPixels(ctx, x, y, width, height, + format, type, unpack, pixels); + } +} + + + +/** + * This function implements glDrawPixels() with an XPutImage call when + * drawing to the front buffer (X Window drawable). The image format + * must be GL_RGB and image type must be GL_UNSIGNED_SHORT_5_6_5 to + * match the PF_5R6G5B pixel format. + */ +static void +xmesa_DrawPixels_5R6G5B( GLcontext *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels ) +{ + struct xmesa_renderbuffer *xrb + = (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const SWcontext *swrast = SWRAST_CONTEXT( ctx ); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + const XMesaGC gc = xmbuf->gc; + + ASSERT(dpy); + ASSERT(gc); + ASSERT(xmesa->xm_visual->undithered_pf == PF_5R6G5B); + + if (swrast->NewState) + _swrast_validate_derived( ctx ); + + if (xrb->pixmap && + format == GL_RGB && + type == GL_UNSIGNED_SHORT_5_6_5 && + !ctx->Color.DitherFlag && /* no dithering */ + (swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */ + ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */ + ctx->Pixel.ZoomX == 1.0 && /* no zooming */ + ctx->Pixel.ZoomY == 1.0) { + int dstX = x; + int dstY = y; + int w = width; + int h = height; + int srcX = unpack->SkipPixels; + int srcY = unpack->SkipRows; + int rowLength = unpack->RowLength ? unpack->RowLength : width; + + if (unpack->BufferObj->Name) { + /* unpack from PBO */ + GLubyte *buf; + if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, + format, type, pixels)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawPixels(invalid PBO access)"); + return; + } + buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, + GL_PIXEL_UNPACK_BUFFER_EXT, + GL_READ_ONLY_ARB, + unpack->BufferObj); + if (!buf) { + /* buffer is already mapped - that's an error */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawPixels(PBO is mapped)"); + return; + } + pixels = ADD_POINTERS(buf, pixels); + } + + if (_mesa_clip_drawpixels(ctx, &dstX, &dstY, &w, &h, &srcX, &srcY)) { + /* This is a little tricky since all coordinates up to now have + * been in the OpenGL bottom-to-top orientation. X is top-to-bottom + * so we have to carefully compute the Y coordinates/addresses here. + */ + XMesaImage ximage; + MEMSET(&ximage, 0, sizeof(XMesaImage)); + ximage.width = width; + ximage.height = height; + ximage.format = ZPixmap; + ximage.data = (char *) pixels + + ((srcY + h - 1) * rowLength + srcX) * 2; + ximage.byte_order = LSBFirst; + ximage.bitmap_unit = 16; + ximage.bitmap_bit_order = LSBFirst; + ximage.bitmap_pad = 16; + ximage.depth = 16; + ximage.bytes_per_line = -rowLength * 2; /* negative to flip image */ + ximage.bits_per_pixel = 16; + /* it seems we don't need to set the ximage.red/green/blue_mask fields */ + /* flip Y axis for dest position */ + dstY = YFLIP(xrb, dstY) - h + 1; + XPutImage(dpy, xrb->pixmap, gc, &ximage, 0, 0, dstX, dstY, w, h); + } + + if (unpack->BufferObj->Name) { + ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, + unpack->BufferObj); + } + } + else { + /* software fallback */ + _swrast_DrawPixels(ctx, x, y, width, height, + format, type, unpack, pixels); + } +} + + + +/** + * Implement glCopyPixels for the front color buffer (or back buffer Pixmap) + * for the color buffer. Don't support zooming, pixel transfer, etc. + * We do support copying from one window to another, ala glXMakeCurrentRead. + */ +static void +xmesa_CopyPixels( GLcontext *ctx, + GLint srcx, GLint srcy, GLsizei width, GLsizei height, + GLint destx, GLint desty, GLenum type ) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const SWcontext *swrast = SWRAST_CONTEXT( ctx ); + XMesaDisplay *dpy = xmesa->xm_visual->display; + const XMesaGC gc = ((XMesaBuffer) ctx->DrawBuffer)->gc; + struct xmesa_renderbuffer *srcXrb = (struct xmesa_renderbuffer *) + ctx->ReadBuffer->_ColorReadBuffer; + struct xmesa_renderbuffer *dstXrb = (struct xmesa_renderbuffer *) + ctx->DrawBuffer->_ColorDrawBuffers[0][0]; + + ASSERT(dpy); + ASSERT(gc); + + if (swrast->NewState) + _swrast_validate_derived( ctx ); + + if (ctx->Color.DrawBuffer[0] == GL_FRONT && + ctx->Pixel.ReadBuffer == GL_FRONT && + srcXrb->pixmap && + dstXrb->pixmap && + type == GL_COLOR && + (swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */ + ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */ + ctx->Pixel.ZoomX == 1.0 && /* no zooming */ + ctx->Pixel.ZoomY == 1.0) { + /* Note: we don't do any special clipping work here. We could, + * but X will do it for us. + */ + srcy = YFLIP(srcXrb, srcy) - height + 1; + desty = YFLIP(dstXrb, desty) - height + 1; + XCopyArea(dpy, srcXrb->pixmap, dstXrb->pixmap, gc, + srcx, srcy, width, height, destx, desty); + } + else { + _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type ); + } +} +#endif /* XFree86Server */ + + + +/* + * Every driver should implement a GetString function in order to + * return a meaningful GL_RENDERER string. + */ +static const GLubyte * +get_string( GLcontext *ctx, GLenum name ) +{ + (void) ctx; + switch (name) { + case GL_RENDERER: +#ifdef XFree86Server + return (const GLubyte *) "Mesa GLX Indirect"; +#else + return (const GLubyte *) "Mesa X11"; +#endif + case GL_VENDOR: +#ifdef XFree86Server + return (const GLubyte *) "Mesa project: www.mesa3d.org"; +#else + return NULL; +#endif + default: + return NULL; + } +} + + +/* + * We implement the glEnable function only because we care about + * dither enable/disable. + */ +static void +enable( GLcontext *ctx, GLenum pname, GLboolean state ) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + + switch (pname) { + case GL_DITHER: + if (state) + xmesa->pixelformat = xmesa->xm_visual->dithered_pf; + else + xmesa->pixelformat = xmesa->xm_visual->undithered_pf; + break; + default: + ; /* silence compiler warning */ + } +} + + +static void +clear_color_HPCR_ximage( GLcontext *ctx, const GLfloat color[4] ) +{ + int i; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[3], color[3]); + + if (color[0] == 0.0 && color[1] == 0.0 && color[2] == 0.0) { + /* black is black */ + MEMSET( xmesa->xm_visual->hpcr_clear_ximage_pattern, 0x0 , + sizeof(xmesa->xm_visual->hpcr_clear_ximage_pattern)); + } + else { + /* build clear pattern */ + for (i=0; i<16; i++) { + xmesa->xm_visual->hpcr_clear_ximage_pattern[0][i] = + DITHER_HPCR(i, 0, + xmesa->clearcolor[0], + xmesa->clearcolor[1], + xmesa->clearcolor[2]); + xmesa->xm_visual->hpcr_clear_ximage_pattern[1][i] = + DITHER_HPCR(i, 1, + xmesa->clearcolor[0], + xmesa->clearcolor[1], + xmesa->clearcolor[2]); + } + } +} + + +static void +clear_color_HPCR_pixmap( GLcontext *ctx, const GLfloat color[4] ) +{ + int i; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(xmesa->clearcolor[3], color[3]); + + if (color[0] == 0.0 && color[1] == 0.0 && color[2] == 0.0) { + /* black is black */ + for (i=0; i<16; i++) { + XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 0, 0); + XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 1, 0); + } + } + else { + for (i=0; i<16; i++) { + XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 0, + DITHER_HPCR(i, 0, + xmesa->clearcolor[0], + xmesa->clearcolor[1], + xmesa->clearcolor[2])); + XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 1, + DITHER_HPCR(i, 1, + xmesa->clearcolor[0], + xmesa->clearcolor[1], + xmesa->clearcolor[2])); + } + } + /* change tile pixmap content */ + XMesaPutImage(xmesa->display, + (XMesaDrawable)xmesa->xm_visual->hpcr_clear_pixmap, + XMESA_BUFFER(ctx->DrawBuffer)->cleargc, + xmesa->xm_visual->hpcr_clear_ximage, 0, 0, 0, 0, 16, 2); +} + + +/** + * Called when the driver should update it's state, based on the new_state + * flags. + */ +void +xmesa_update_state( GLcontext *ctx, GLuint new_state ) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *front_xrb, *back_xrb; + + /* Propagate statechange information to swrast and swrast_setup + * modules. The X11 driver has no internal GL-dependent state. + */ + _swrast_InvalidateState( ctx, new_state ); + _ac_InvalidateState( ctx, new_state ); + _tnl_InvalidateState( ctx, new_state ); + _swsetup_InvalidateState( ctx, new_state ); + + if (ctx->DrawBuffer->Name != 0) + return; + + front_xrb = XMESA_BUFFER(ctx->DrawBuffer)->frontxrb; + if (front_xrb) { + /* XXX check for relevant new_state flags */ + xmesa_set_renderbuffer_funcs(front_xrb, xmesa->pixelformat, + xmesa->xm_visual->BitsPerPixel); + /* setup pointers to front and back buffer clear functions */ + front_xrb->clearFunc = clear_pixmap; + } + + back_xrb = XMESA_BUFFER(ctx->DrawBuffer)->backxrb; + if (back_xrb) { + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + + /* XXX check for relevant new_state flags */ + xmesa_set_renderbuffer_funcs(back_xrb, xmesa->pixelformat, + xmesa->xm_visual->BitsPerPixel); + + if (xmbuf->backxrb->pixmap) { + back_xrb->clearFunc = clear_pixmap; + } + else { + switch (xmesa->xm_visual->BitsPerPixel) { + case 8: + if (xmesa->xm_visual->hpcr_clear_flag) { + back_xrb->clearFunc = clear_HPCR_ximage; + } + else { + back_xrb->clearFunc = clear_8bit_ximage; + } + break; + case 16: + back_xrb->clearFunc = clear_16bit_ximage; + break; + case 24: + back_xrb->clearFunc = clear_24bit_ximage; + break; + case 32: + back_xrb->clearFunc = clear_32bit_ximage; + break; + default: + back_xrb->clearFunc = clear_nbit_ximage; + break; + } + } + } + + if (xmesa->xm_visual->hpcr_clear_flag) { + /* this depends on whether we're drawing to the front or back buffer */ + /* XXX FIX THIS! */ +#if 0 + if (pixmap) { + ctx->Driver.ClearColor = clear_color_HPCR_pixmap; + } + else { + ctx->Driver.ClearColor = clear_color_HPCR_ximage; + } +#else + (void) clear_color_HPCR_pixmap; + (void) clear_color_HPCR_ximage; +#endif + } +} + + + +/** + * Called via ctx->Driver.TestProxyTeximage(). Normally, we'd just use + * the _mesa_test_proxy_teximage() fallback function, but we're going to + * special-case the 3D texture case to allow textures up to 512x512x32 + * texels. + */ +static GLboolean +test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, GLenum format, GLenum type, + GLint width, GLint height, GLint depth, GLint border) +{ + if (target == GL_PROXY_TEXTURE_3D) { + /* special case for 3D textures */ + if (width * height * depth > 512 * 512 * 64 || + width < 2 * border || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + height < 2 * border || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(height - 2 * border) != 1) || + depth < 2 * border || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(depth - 2 * border) != 1)) { + /* Bad size, or too many texels */ + return GL_FALSE; + } + return GL_TRUE; + } + else { + /* use the fallback routine for 1D, 2D, cube and rect targets */ + return _mesa_test_proxy_teximage(ctx, target, level, internalFormat, + format, type, width, height, depth, + border); + } +} + + +/** + * In SW, we don't really compress GL_COMPRESSED_RGB[A] textures! + */ +static const struct gl_texture_format * +choose_tex_format( GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type ) +{ + switch (internalFormat) { + case GL_COMPRESSED_RGB_ARB: + return &_mesa_texformat_rgb; + case GL_COMPRESSED_RGBA_ARB: + return &_mesa_texformat_rgba; + default: + return _mesa_choose_tex_format(ctx, internalFormat, format, type); + } +} + + +/** + * Called by glViewport. + * This is a good time for us to poll the current X window size and adjust + * our renderbuffers to match the current window size. + * Remember, we have no opportunity to respond to conventional + * X Resize/StructureNotify events since the X driver has no event loop. + * Thus, we poll. + * Note that this trick isn't fool-proof. If the application never calls + * glViewport, our notion of the current window size may be incorrect. + */ +static void +xmesa_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) +{ +#if 1 + struct gl_framebuffer *fb = ctx->WinSysDrawBuffer; + GLuint newWidth, newHeight; + + get_buffer_size(fb, &newWidth, &newHeight); + if (newWidth != fb->Width || newHeight != fb->Height) { + xmesa_resize_buffers(ctx, fb, newWidth, newHeight); + } +#else + /* This also works: */ + _mesa_ResizeBuffersMESA(); +#endif +} + + +/** + * Initialize the device driver function table with the functions + * we implement in this driver. + */ +void +xmesa_init_driver_functions( XMesaVisual xmvisual, + struct dd_function_table *driver ) +{ + driver->GetString = get_string; + driver->UpdateState = xmesa_update_state; + driver->GetBufferSize = get_buffer_size; + driver->Flush = finish_or_flush; + driver->Finish = finish_or_flush; + driver->ClearIndex = clear_index; + driver->ClearColor = clear_color; + driver->IndexMask = index_mask; + driver->ColorMask = color_mask; + driver->Enable = enable; + driver->Clear = clear_buffers; + driver->ResizeBuffers = xmesa_resize_buffers; + driver->Viewport = xmesa_viewport; +#ifndef XFree86Server + driver->CopyPixels = xmesa_CopyPixels; + if (xmvisual->undithered_pf == PF_8R8G8B && + xmvisual->dithered_pf == PF_8R8G8B) { + driver->DrawPixels = xmesa_DrawPixels_8R8G8B; + } + else if (xmvisual->undithered_pf == PF_5R6G5B) { + driver->DrawPixels = xmesa_DrawPixels_5R6G5B; + } +#endif + driver->TestProxyTexImage = test_proxy_teximage; +#if SWTC + driver->ChooseTextureFormat = choose_tex_format; +#else + (void) choose_tex_format; +#endif +} + + +#define XMESA_NEW_POINT (_NEW_POINT | \ + _NEW_RENDERMODE | \ + _SWRAST_NEW_RASTERMASK) + +#define XMESA_NEW_LINE (_NEW_LINE | \ + _NEW_TEXTURE | \ + _NEW_LIGHT | \ + _NEW_DEPTH | \ + _NEW_RENDERMODE | \ + _SWRAST_NEW_RASTERMASK) + +#define XMESA_NEW_TRIANGLE (_NEW_POLYGON | \ + _NEW_TEXTURE | \ + _NEW_LIGHT | \ + _NEW_DEPTH | \ + _NEW_RENDERMODE | \ + _SWRAST_NEW_RASTERMASK) + + +/* Extend the software rasterizer with our line/point/triangle + * functions. + */ +void xmesa_register_swrast_functions( GLcontext *ctx ) +{ + SWcontext *swrast = SWRAST_CONTEXT( ctx ); + + swrast->choose_point = xmesa_choose_point; + swrast->choose_line = xmesa_choose_line; + swrast->choose_triangle = xmesa_choose_triangle; + + swrast->invalidate_point |= XMESA_NEW_POINT; + swrast->invalidate_line |= XMESA_NEW_LINE; + swrast->invalidate_triangle |= XMESA_NEW_TRIANGLE; +} diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_line.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_line.c new file mode 100644 index 000000000..d7c59739d --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_line.c @@ -0,0 +1,674 @@ +/* + * Mesa 3-D graphics library + * Version: 6.4 + * + * Copyright (C) 1999-2005 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. + */ + + +/* + * This file contains "accelerated" point, line, and triangle functions. + * It should be fairly easy to write new special-purpose point, line or + * triangle functions and hook them into this module. + */ + + +#include "glxheader.h" +#include "depth.h" +#include "macros.h" +#include "mtypes.h" +#include "xmesaP.h" + +/* Internal swrast includes: + */ +#include "swrast/s_depth.h" +#include "swrast/s_points.h" +#include "swrast/s_lines.h" +#include "swrast/s_context.h" + + +/**********************************************************************/ +/*** Point rendering ***/ +/**********************************************************************/ + + +/* + * Render an array of points into a pixmap, any pixel format. + */ +#if 000 +/* XXX don't use this, it doesn't dither correctly */ +static void draw_points_ANY_pixmap( GLcontext *ctx, const SWvertex *vert ) +{ + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xmesa->xm_buffer->buffer; + XMesaGC gc = xmesa->xm_buffer->gc; + + if (xmesa->xm_visual->mesa_visual.RGBAflag) { + register int x, y; + const GLubyte *color = vert->color; + unsigned long pixel = xmesa_color_to_pixel( xmesa, + color[0], color[1], + color[2], color[3], + xmesa->pixelformat); + XMesaSetForeground( dpy, gc, pixel ); + x = (GLint) vert->win[0]; + y = YFLIP( xrb, (GLint) vert->win[1] ); + XMesaDrawPoint( dpy, buffer, gc, x, y); + } + else { + /* Color index mode */ + register int x, y; + XMesaSetForeground( dpy, gc, vert->index ); + x = (GLint) vert->win[0]; + y = YFLIP( xrb, (GLint) vert->win[1] ); + XMesaDrawPoint( dpy, buffer, gc, x, y); + } +} +#endif + + +/* Override the swrast point-selection function. Try to use one of + * our internal point functions, otherwise fall back to the standard + * swrast functions. + */ +void xmesa_choose_point( GLcontext *ctx ) +{ +#if 0 + XMesaContext xmesa = XMESA_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if (ctx->RenderMode == GL_RENDER + && ctx->Point.Size == 1.0F && !ctx->Point.SmoothFlag + && swrast->_RasterMask == 0 + && !ctx->Texture._EnabledUnits + && xmesa->xm_buffer->buffer != XIMAGE) { + swrast->Point = draw_points_ANY_pixmap; + } + else { + _swrast_choose_point( ctx ); + } +#else + _swrast_choose_point( ctx ); +#endif +} + + + +/**********************************************************************/ +/*** Line rendering ***/ +/**********************************************************************/ + + +#define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \ + (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped + + +/* + * Draw a flat-shaded, PF_TRUECOLOR line into an XImage. + */ +#define NAME flat_TRUECOLOR_line +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + unsigned long pixel; \ + PACK_TRUECOLOR( pixel, color[0], color[1], color[2] ); +#define CLIP_HACK 1 +#define PLOT(X,Y) XMesaPutPixel(xrb->ximage, X, YFLIP(xrb, Y), pixel ); +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_8A8B8G8R line into an XImage. + */ +#define NAME flat_8A8B8G8R_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] ); +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = pixel; +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_8A8R8G8B line into an XImage. + */ +#define NAME flat_8A8R8G8B_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] ); +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = pixel; +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_8R8G8B line into an XImage. + */ +#define NAME flat_8R8G8B_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] ); +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = pixel; +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_8R8G8B24 line into an XImage. + */ +#define NAME flat_8R8G8B24_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; +#define PIXEL_TYPE bgr_t +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) { \ + pixelPtr->r = color[RCOMP]; \ + pixelPtr->g = color[GCOMP]; \ + pixelPtr->b = color[BCOMP]; \ +} +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_5R6G5B line into an XImage. + */ +#define NAME flat_5R6G5B_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] ); +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = pixel; +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_DITHER_5R6G5B line into an XImage. + */ +#define NAME flat_DITHER_5R6G5B_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + const GLubyte *color = vert1->color; +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) PACK_TRUEDITHER( *pixelPtr, X, Y, color[0], color[1], color[2] ); +#include "swrast/s_linetemp.h" + + + + +/* + * Draw a flat-shaded, PF_DITHER 8-bit line into an XImage. + */ +#define NAME flat_DITHER8_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLint r = color[0], g = color[1], b = color[2]; \ + DITHER_SETUP; +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = DITHER(X,Y,r,g,b); +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_LOOKUP 8-bit line into an XImage. + */ +#define NAME flat_LOOKUP8_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLubyte pixel; \ + LOOKUP_SETUP; \ + pixel = (GLubyte) LOOKUP( color[0], color[1], color[2] ); +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = pixel; +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, PF_HPCR line into an XImage. + */ +#define NAME flat_HPCR_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + const GLubyte *color = vert1->color; \ + GLint r = color[0], g = color[1], b = color[2]; +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) *pixelPtr = (GLubyte) DITHER_HPCR(X,Y,r,g,b); +#include "swrast/s_linetemp.h" + + + + +/* + * Draw a flat-shaded, Z-less, PF_TRUECOLOR line into an XImage. + */ +#define NAME flat_TRUECOLOR_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + const GLubyte *color = vert1->color; \ + unsigned long pixel; \ + PACK_TRUECOLOR( pixel, color[0], color[1], color[2] ); +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + XMesaPutPixel(xrb->ximage, X, YFLIP(xrb, Y), pixel); \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_8A8B8G8R line into an XImage. + */ +#define NAME flat_8A8B8G8R_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] ); +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = pixel; \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_8A8R8G8B line into an XImage. + */ +#define NAME flat_8A8R8G8B_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] ); +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = pixel; \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_8R8G8B line into an XImage. + */ +#define NAME flat_8R8G8B_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] ); +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = pixel; \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_8R8G8B24 line into an XImage. + */ +#define NAME flat_8R8G8B24_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE bgr_t +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + pixelPtr->r = color[RCOMP]; \ + pixelPtr->g = color[GCOMP]; \ + pixelPtr->b = color[BCOMP]; \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_5R6G5B line into an XImage. + */ +#define NAME flat_5R6G5B_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] ); +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = pixel; \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_DITHER_5R6G5B line into an XImage. + */ +#define NAME flat_DITHER_5R6G5B_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + const GLubyte *color = vert1->color; +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + PACK_TRUEDITHER(*pixelPtr, X, Y, color[0], color[1], color[2]); \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_DITHER 8-bit line into an XImage. + */ +#define NAME flat_DITHER8_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLint r = color[0], g = color[1], b = color[2]; \ + DITHER_SETUP; +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = (GLubyte) DITHER( X, Y, r, g, b); \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_LOOKUP 8-bit line into an XImage. + */ +#define NAME flat_LOOKUP8_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = vert1->color; \ + GLubyte pixel; \ + LOOKUP_SETUP; \ + pixel = (GLubyte) LOOKUP( color[0], color[1], color[2] ); +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = pixel; \ + } +#include "swrast/s_linetemp.h" + + + +/* + * Draw a flat-shaded, Z-less, PF_HPCR line into an XImage. + */ +#define NAME flat_HPCR_z_line +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + const GLubyte *color = vert1->color; \ + GLint r = color[0], g = color[1], b = color[2]; +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y) +#define CLIP_HACK 1 +#define PLOT(X,Y) \ + if (Z < *zPtr) { \ + *zPtr = Z; \ + *pixelPtr = (GLubyte) DITHER_HPCR( X, Y, r, g, b); \ + } +#include "swrast/s_linetemp.h" + + + +#ifndef XFree86Server +/** + * Draw fast, XOR line with XDrawLine in front color buffer. + * WARNING: this isn't fully OpenGL conformant because different pixels + * will be hit versus using the other line functions. + * Don't use the code in X server GLcore module since we need a wrapper + * for the XSetLineAttributes() function call. + */ +static void +xor_line(GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1) +{ + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaGC gc = xmesa->xm_buffer->gc; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) + ctx->DrawBuffer->_ColorDrawBuffers[0][0]; + unsigned long pixel = xmesa_color_to_pixel(ctx, + vert1->color[0], vert1->color[1], + vert1->color[2], vert1->color[3], + xmesa->pixelformat); + int x0 = (int) vert0->win[0]; + int y0 = YFLIP(xrb, (GLint) vert0->win[1]); + int x1 = (int) vert1->win[0]; + int y1 = YFLIP(xrb, (GLint) vert1->win[1]); + XMesaSetForeground(dpy, gc, pixel); + XMesaSetFunction(dpy, gc, GXxor); + XSetLineAttributes(dpy, gc, (int) ctx->Line.Width, + LineSolid, CapButt, JoinMiter); + XDrawLine(dpy, xrb->pixmap, gc, x0, y0, x1, y1); + XMesaSetFunction(dpy, gc, GXcopy); /* this gc is used elsewhere */ +} +#endif /* XFree86Server */ + + +static swrast_line_func get_line_func( GLcontext *ctx ) +{ + XMesaContext xmesa = XMESA_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); + int depth = GET_VISUAL_DEPTH(xmesa->xm_visual); + GET_XRB(xrb); + + if ((ctx->DrawBuffer->_ColorDrawBufferMask[0] + & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0) + return (swrast_line_func) NULL; + if (ctx->RenderMode != GL_RENDER) return (swrast_line_func) NULL; + if (ctx->Line.SmoothFlag) return (swrast_line_func) NULL; + if (ctx->Texture._EnabledUnits) return (swrast_line_func) NULL; + if (ctx->Light.ShadeModel != GL_FLAT) return (swrast_line_func) NULL; + if (ctx->Line.StippleFlag) return (swrast_line_func) NULL; + if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_line_func) NULL; + + if (xrb->ximage + && swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS + && ctx->Line.Width==1.0F) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + return flat_TRUECOLOR_z_line; + case PF_8A8B8G8R: + return flat_8A8B8G8R_z_line; + case PF_8A8R8G8B: + return flat_8A8R8G8B_z_line; + case PF_8R8G8B: + return flat_8R8G8B_z_line; + case PF_8R8G8B24: + return flat_8R8G8B24_z_line; + case PF_5R6G5B: + return flat_5R6G5B_z_line; + case PF_Dither_5R6G5B: + return flat_DITHER_5R6G5B_z_line; + case PF_Dither: + return (depth==8) ? flat_DITHER8_z_line : (swrast_line_func) NULL; + case PF_Lookup: + return (depth==8) ? flat_LOOKUP8_z_line : (swrast_line_func) NULL; + case PF_HPCR: + return flat_HPCR_z_line; + default: + return (swrast_line_func)NULL; + } + } + if (xrb->ximage + && swrast->_RasterMask==0 + && ctx->Line.Width==1.0F) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + return flat_TRUECOLOR_line; + case PF_8A8B8G8R: + return flat_8A8B8G8R_line; + case PF_8A8R8G8B: + return flat_8A8R8G8B_line; + case PF_8R8G8B: + return flat_8R8G8B_line; + case PF_8R8G8B24: + return flat_8R8G8B24_line; + case PF_5R6G5B: + return flat_5R6G5B_line; + case PF_Dither_5R6G5B: + return flat_DITHER_5R6G5B_line; + case PF_Dither: + return (depth==8) ? flat_DITHER8_line : (swrast_line_func) NULL; + case PF_Lookup: + return (depth==8) ? flat_LOOKUP8_line : (swrast_line_func) NULL; + case PF_HPCR: + return flat_HPCR_line; + default: + return (swrast_line_func)NULL; + } + } + +#ifndef XFree86Server + if (ctx->DrawBuffer->_NumColorDrawBuffers[0] == 1 + && ctx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT + && swrast->_RasterMask == LOGIC_OP_BIT + && ctx->Color.LogicOp == GL_XOR + && !ctx->Line.StippleFlag + && !ctx->Line.SmoothFlag) { + return xor_line; + } +#endif /* XFree86Server */ + + return (swrast_line_func) NULL; +} + + +/** + * Override for the swrast line-selection function. Try to use one + * of our internal line functions, otherwise fall back to the + * standard swrast functions. + */ +void +xmesa_choose_line(GLcontext *ctx) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if (!(swrast->Line = get_line_func( ctx ))) + _swrast_choose_line( ctx ); +} diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c new file mode 100644 index 000000000..780ec98d9 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c @@ -0,0 +1,4799 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2004 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 "glxheader.h" +#include "colormac.h" +#include "context.h" +#include "depth.h" +#include "drawpix.h" +#include "extensions.h" +#include "macros.h" +#include "imports.h" +#include "mtypes.h" +#include "state.h" +#include "xmesaP.h" + +#include "swrast/swrast.h" + + +/* + * The following functions are used to trap XGetImage() calls which + * generate BadMatch errors if the drawable isn't mapped. + */ + +#ifndef XFree86Server +static int caught_xgetimage_error = 0; +static int (*old_xerror_handler)( XMesaDisplay *dpy, XErrorEvent *ev ); +static unsigned long xgetimage_serial; + +/* + * This is the error handler which will be called if XGetImage fails. + */ +static int xgetimage_error_handler( XMesaDisplay *dpy, XErrorEvent *ev ) +{ + if (ev->serial==xgetimage_serial && ev->error_code==BadMatch) { + /* caught the expected error */ + caught_xgetimage_error = 0; + } + else { + /* call the original X error handler, if any. otherwise ignore */ + if (old_xerror_handler) { + (*old_xerror_handler)( dpy, ev ); + } + } + return 0; +} + + +/* + * Call this right before XGetImage to setup error trap. + */ +static void catch_xgetimage_errors( XMesaDisplay *dpy ) +{ + xgetimage_serial = NextRequest( dpy ); + old_xerror_handler = XSetErrorHandler( xgetimage_error_handler ); + caught_xgetimage_error = 0; +} + + +/* + * Call this right after XGetImage to check if an error occured. + */ +static int check_xgetimage_errors( void ) +{ + /* restore old handler */ + (void) XSetErrorHandler( old_xerror_handler ); + /* return 0=no error, 1=error caught */ + return caught_xgetimage_error; +} +#endif + + +/* + * Read a pixel from an X drawable. + */ +static unsigned long read_pixel( XMesaDisplay *dpy, + XMesaDrawable d, int x, int y ) +{ + unsigned long p; +#ifndef XFree86Server + XMesaImage *pixel = NULL; + int error; + + catch_xgetimage_errors( dpy ); + pixel = XGetImage( dpy, d, x, y, 1, 1, AllPlanes, ZPixmap ); + error = check_xgetimage_errors(); + if (pixel && !error) { + p = XMesaGetPixel( pixel, 0, 0 ); + } + else { + p = 0; + } + if (pixel) { + XMesaDestroyImage( pixel ); + } +#else + (*dpy->GetImage)(d, x, y, 1, 1, ZPixmap, ~0L, (void *)&p); +#endif + return p; +} + + + +/* + * The Mesa library needs to be able to draw pixels in a number of ways: + * 1. RGB vs Color Index + * 2. as horizontal spans (polygons, images) vs random locations (points, + * lines) + * 3. different color per-pixel or same color for all pixels + * + * Furthermore, the X driver needs to support rendering to 3 possible + * "buffers", usually one, but sometimes two at a time: + * 1. The front buffer as an X window + * 2. The back buffer as a Pixmap + * 3. The back buffer as an XImage + * + * Finally, if the back buffer is an XImage, we can avoid using XPutPixel and + * optimize common cases such as 24-bit and 8-bit modes. + * + * By multiplication, there's at least 48 possible combinations of the above. + * + * Below are implementations of the most commonly used combinations. They are + * accessed through function pointers which get initialized here and are used + * directly from the Mesa library. The 8 function pointers directly correspond + * to the first 3 cases listed above. + * + * + * The function naming convention is: + * + * [put|get]_[mono]_[row|values]_[format]_[pixmap|ximage] + * + * New functions optimized for specific cases can be added without too much + * trouble. An example might be the 24-bit TrueColor mode 8A8R8G8B which is + * found on IBM RS/6000 X servers. + */ + + + + +/**********************************************************************/ +/*** Write COLOR SPAN functions ***/ +/**********************************************************************/ + + +#define PUT_ROW_ARGS \ + GLcontext *ctx, \ + struct gl_renderbuffer *rb, \ + GLuint n, GLint x, GLint y, \ + const void *values, const GLubyte mask[] + +#define RGB_SPAN_ARGS \ + GLcontext *ctx, \ + struct gl_renderbuffer *rb, \ + GLuint n, GLint x, GLint y, \ + const void *values, const GLubyte mask[] + + +/* NOTE: if mask==NULL, draw all pixels */ + + +/* + * Write a span of PF_TRUECOLOR pixels to a pixmap. + */ +static void put_row_TRUECOLOR_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = XMESA_BUFFER(ctx->DrawBuffer)->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + unsigned long p; + PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaPutPixel( rowimg, i, 0, p ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_TRUECOLOR pixels to a pixmap. + */ +static void put_row_rgb_TRUECOLOR_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + unsigned long p; + PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + XMesaPutPixel( rowimg, i, 0, p ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + +/* + * Write a span of PF_TRUEDITHER pixels to a pixmap. + */ +static void put_row_TRUEDITHER_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + unsigned long p; + PACK_TRUEDITHER(p, x+i, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaPutPixel( rowimg, i, 0, p ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_TRUEDITHER pixels to a pixmap (no alpha). + */ +static void put_row_rgb_TRUEDITHER_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + unsigned long p; + PACK_TRUEDITHER(p, x+i, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + XMesaPutPixel( rowimg, i, 0, p ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_8A8B8G8R pixels to a pixmap. + */ +static void put_row_8A8B8G8R_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8A8B8G8R(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + for (i=0;i<n;i++) { + *ptr4++ = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_8A8B8G8R pixels to a pixmap (no alpha). + */ +static void put_row_rgb_8A8B8G8R_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8B8G8R(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + for (i=0;i<n;i++) { + *ptr4++ = PACK_8B8G8R(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + +/* + * Write a span of PF_8A8R8G8B pixels to a pixmap. + */ +static void put_row_8A8R8G8B_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8A8R8G8B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + for (i=0;i<n;i++) { + *ptr4++ = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_8A8R8G8B pixels to a pixmap (no alpha). + */ +static void put_row_rgb_8A8R8G8B_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + for (i=0;i<n;i++) { + *ptr4++ = PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + +/* + * Write a span of PF_8R8G8B pixels to a pixmap. + */ +static void put_row_8R8G8B_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + for (i=0;i<n;i++) { + *ptr4++ = PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_8R8G8B24 pixels to a pixmap. + */ +static void put_row_8R8G8B24_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + y = YFLIP(xrb, y); + if (mask) { + register GLuint i; + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + register GLuint pixel; + static const GLuint shift[4] = {0, 8, 16, 24}; + register GLuint i = 0; + int w = n; + while (w > 3) { + pixel = rgba[i][BCOMP] /* << shift[0]*/; + pixel |= rgba[i][GCOMP] << shift[1]; + pixel |= rgba[i++][RCOMP] << shift[2]; + pixel |= rgba[i][BCOMP] << shift[3]; + *ptr4++ = pixel; + + pixel = rgba[i][GCOMP] /* << shift[0]*/; + pixel |= rgba[i++][RCOMP] << shift[1]; + pixel |= rgba[i][BCOMP] << shift[2]; + pixel |= rgba[i][GCOMP] << shift[3]; + *ptr4++ = pixel; + + pixel = rgba[i++][RCOMP]/* << shift[0]*/; + pixel |= rgba[i][BCOMP] << shift[1]; + pixel |= rgba[i][GCOMP] << shift[2]; + pixel |= rgba[i++][RCOMP] << shift[3]; + *ptr4++ = pixel; + + w -= 4; + } + switch (w) { + case 3: + pixel = 0; + pixel |= rgba[i][BCOMP] /*<< shift[0]*/; + pixel |= rgba[i][GCOMP] << shift[1]; + pixel |= rgba[i++][RCOMP] << shift[2]; + pixel |= rgba[i][BCOMP] << shift[3]; + *ptr4++ = pixel; + pixel = 0; + pixel |= rgba[i][GCOMP] /*<< shift[0]*/; + pixel |= rgba[i++][RCOMP] << shift[1]; + pixel |= rgba[i][BCOMP] << shift[2]; + pixel |= rgba[i][GCOMP] << shift[3]; + *ptr4++ = pixel; + pixel = 0xffffff00 & *ptr4; + pixel |= rgba[i][RCOMP] /*<< shift[0]*/; + *ptr4 = pixel; + break; + case 2: + pixel = 0; + pixel |= rgba[i][BCOMP] /*<< shift[0]*/; + pixel |= rgba[i][GCOMP] << shift[1]; + pixel |= rgba[i++][RCOMP] << shift[2]; + pixel |= rgba[i][BCOMP] << shift[3]; + *ptr4++ = pixel; + pixel = 0xffff0000 & *ptr4; + pixel |= rgba[i][GCOMP] /*<< shift[0]*/; + pixel |= rgba[i][RCOMP] << shift[1]; + *ptr4 = pixel; + break; + case 1: + pixel = 0xff000000 & *ptr4; + pixel |= rgba[i][BCOMP] /*<< shift[0]*/; + pixel |= rgba[i][GCOMP] << shift[1]; + pixel |= rgba[i][RCOMP] << shift[2]; + *ptr4 = pixel; + break; + case 0: + break; + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_8R8G8B pixels to a pixmap (no alpha). + */ +static void put_row_rgb_8R8G8B_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + for (i=0;i<n;i++) { + *ptr4++ = PACK_8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + +/* + * Write a span of PF_8R8G8B24 pixels to a pixmap (no alpha). + */ +static void put_row_rgb_8R8G8B24_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + y = YFLIP(xrb, y); + if (mask) { + register GLuint i; + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLuint *ptr4 = (GLuint *) rowimg->data; + register GLuint pixel; + static const GLuint shift[4] = {0, 8, 16, 24}; + unsigned w = n; + register GLuint i = 0; + while (w > 3) { + pixel = 0; + pixel |= rgb[i][BCOMP]/* << shift[0]*/; + pixel |= rgb[i][GCOMP] << shift[1]; + pixel |= rgb[i++][RCOMP] << shift[2]; + pixel |= rgb[i][BCOMP] <<shift[3]; + *ptr4++ = pixel; + + pixel = 0; + pixel |= rgb[i][GCOMP]/* << shift[0]*/; + pixel |= rgb[i++][RCOMP] << shift[1]; + pixel |= rgb[i][BCOMP] << shift[2]; + pixel |= rgb[i][GCOMP] << shift[3]; + *ptr4++ = pixel; + + pixel = 0; + pixel |= rgb[i++][RCOMP]/* << shift[0]*/; + pixel |= rgb[i][BCOMP] << shift[1]; + pixel |= rgb[i][GCOMP] << shift[2]; + pixel |= rgb[i++][RCOMP] << shift[3]; + *ptr4++ = pixel; + w -= 4; + } + switch (w) { + case 3: + pixel = 0; + pixel |= rgb[i][BCOMP]/* << shift[0]*/; + pixel |= rgb[i][GCOMP] << shift[1]; + pixel |= rgb[i++][RCOMP] << shift[2]; + pixel |= rgb[i][BCOMP] << shift[3]; + *ptr4++ = pixel; + pixel = 0; + pixel |= rgb[i][GCOMP]/* << shift[0]*/; + pixel |= rgb[i++][RCOMP] << shift[1]; + pixel |= rgb[i][BCOMP] << shift[2]; + pixel |= rgb[i][GCOMP] << shift[3]; + *ptr4++ = pixel; + pixel = *ptr4; + pixel &= 0xffffff00; + pixel |= rgb[i++][RCOMP]/* << shift[0]*/; + *ptr4++ = pixel; + break; + case 2: + pixel = 0; + pixel |= rgb[i][BCOMP]/* << shift[0]*/; + pixel |= rgb[i][GCOMP] << shift[1]; + pixel |= rgb[i++][RCOMP] << shift[2]; + pixel |= rgb[i][BCOMP] << shift[3]; + *ptr4++ = pixel; + pixel = *ptr4; + pixel &= 0xffff0000; + pixel |= rgb[i][GCOMP]/* << shift[0]*/; + pixel |= rgb[i++][RCOMP] << shift[1]; + *ptr4++ = pixel; + break; + case 1: + pixel = *ptr4; + pixel &= 0xff000000; + pixel |= rgb[i][BCOMP]/* << shift[0]*/; + pixel |= rgb[i][GCOMP] << shift[1]; + pixel |= rgb[i++][RCOMP] << shift[2]; + *ptr4++ = pixel; + break; + case 0: + break; + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_5R6G5B pixels to a pixmap. + */ +static void put_row_5R6G5B_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLushort *ptr2 = (GLushort *) rowimg->data; + for (i=0;i<n;i++) { + ptr2[i] = PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_DITHER_5R6G5B pixels to a pixmap. + */ +static void put_row_DITHER_5R6G5B_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLushort *ptr2 = (GLushort *) rowimg->data; + for (i=0;i<n;i++) { + PACK_TRUEDITHER( ptr2[i], x+i, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_5R6G5B pixels to a pixmap (no alpha). + */ +static void put_row_rgb_5R6G5B_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLushort *ptr2 = (GLushort *) rowimg->data; + for (i=0;i<n;i++) { + ptr2[i] = PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_DITHER_5R6G5B pixels to a pixmap (no alpha). + */ +static void put_row_rgb_DITHER_5R6G5B_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLushort *ptr2 = (GLushort *) rowimg->data; + for (i=0;i<n;i++) { + PACK_TRUEDITHER( ptr2[i], x+i, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_DITHER pixels to a pixmap. + */ +static void put_row_DITHER_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + XDITHER_SETUP(y); + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, XDITHER(x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, XDITHER(x+i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_DITHER pixels to a pixmap (no alpha). + */ +static void put_row_rgb_DITHER_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + XDITHER_SETUP(y); + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, XDITHER(x, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, XDITHER(x+i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_1BIT pixels to a pixmap. + */ +static void put_row_1BIT_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + SETUP_1BIT; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER_1BIT( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, + DITHER_1BIT( x+i, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_1BIT pixels to a pixmap (no alpha). + */ +static void put_row_rgb_1BIT_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + SETUP_1BIT; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER_1BIT(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + /* draw all pixels */ + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, + DITHER_1BIT(x+i, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_HPCR pixels to a pixmap. + */ +static void put_row_HPCR_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER_HPCR( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLubyte *ptr = (GLubyte *) XMESA_BUFFER(ctx->DrawBuffer)->rowimage->data; + for (i=0;i<n;i++) { + ptr[i] = DITHER_HPCR( (x+i), y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_HPCR pixels to a pixmap (no alpha). + */ +static void put_row_rgb_HPCR_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER_HPCR(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + register GLubyte *ptr = (GLubyte *) XMESA_BUFFER(ctx->DrawBuffer)->rowimage->data; + for (i=0;i<n;i++) { + ptr[i] = DITHER_HPCR( (x+i), y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + +/* + * Write a span of PF_LOOKUP pixels to a pixmap. + */ +static void put_row_LOOKUP_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + LOOKUP_SETUP; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, LOOKUP(rgba[i][RCOMP],rgba[i][GCOMP],rgba[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_LOOKUP pixels to a pixmap (no alpha). + */ +static void put_row_rgb_LOOKUP_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + LOOKUP_SETUP; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, LOOKUP( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, LOOKUP(rgb[i][RCOMP],rgb[i][GCOMP],rgb[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_GRAYSCALE pixels to a pixmap. + */ +static void put_row_GRAYSCALE_pixmap( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, GRAY_RGB(rgba[i][RCOMP],rgba[i][GCOMP],rgba[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + + +/* + * Write a span of PF_GRAYSCALE pixels to a pixmap (no alpha). + */ +static void put_row_rgb_GRAYSCALE_pixmap( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; + for (i=0;i<n;i++) { + XMesaPutPixel( rowimg, i, 0, GRAY_RGB(rgb[i][RCOMP],rgb[i][GCOMP],rgb[i][BCOMP]) ); + } + XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); + } +} + +/* + * Write a span of PF_TRUECOLOR pixels to an XImage. + */ +static void put_row_TRUECOLOR_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaPutPixel( img, x, y, p ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + unsigned long p; + PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaPutPixel( img, x, y, p ); + } + } +} + + +/* + * Write a span of PF_TRUECOLOR pixels to an XImage (no alpha). + */ +static void put_row_rgb_TRUECOLOR_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + XMesaPutPixel( img, x, y, p ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + unsigned long p; + PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + XMesaPutPixel( img, x, y, p ); + } + } +} + + +/* + * Write a span of PF_TRUEDITHER pixels to an XImage. + */ +static void put_row_TRUEDITHER_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaPutPixel( img, x, y, p ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaPutPixel( img, x, y, p ); + } + } +} + + +/* + * Write a span of PF_TRUEDITHER pixels to an XImage (no alpha). + */ +static void put_row_rgb_TRUEDITHER_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + XMesaPutPixel( img, x, y, p ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + unsigned long p; + PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + XMesaPutPixel( img, x, y, p ); + } + } +} + + +/* + * Write a span of PF_8A8B8G8R-format pixels to an ximage. + */ +static void put_row_8A8B8G8R_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + } +} + + +/* + * Write a span of PF_8A8B8G8R-format pixels to an ximage (no alpha). + */ +static void put_row_rgb_8A8B8G8R_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_8A8B8G8R( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = PACK_8A8B8G8R( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); + } + } +} + +/* + * Write a span of PF_8A8R8G8B-format pixels to an ximage. + */ +static void put_row_8A8R8G8B_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + } +} + + +/* + * Write a span of PF_8A8R8G8B-format pixels to an ximage (no alpha). + */ +static void put_row_rgb_8A8R8G8B_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_8A8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = PACK_8A8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); + } + } +} + + +/* + * Write a span of PF_8R8G8B-format pixels to an ximage. + */ +static void put_row_8R8G8B_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_8R8G8B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + } + } + } + else { + for (i=0;i<n;i++) { + ptr[i] = PACK_8R8G8B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + } + } +} + + +/* + * Write a span of PF_8R8G8B24-format pixels to an ximage. + */ +static void put_row_8R8G8B24_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = (GLubyte *) PIXEL_ADDR3(xrb, x, y ); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr4 = (GLuint *) ptr; + register GLuint pixel = *ptr4; + switch (3 & (int)(ptr - (GLubyte*)ptr4)) { + case 0: + pixel &= 0xff000000; + pixel |= rgba[i][BCOMP]; + pixel |= rgba[i][GCOMP] << 8; + pixel |= rgba[i][RCOMP] << 16; + *ptr4 = pixel; + break; + case 3: + pixel &= 0x00ffffff; + pixel |= rgba[i][BCOMP] << 24; + *ptr4++ = pixel; + pixel = *ptr4 && 0xffff0000; + pixel |= rgba[i][GCOMP]; + pixel |= rgba[i][RCOMP] << 8; + *ptr4 = pixel; + break; + case 2: + pixel &= 0x0000ffff; + pixel |= rgba[i][BCOMP] << 16; + pixel |= rgba[i][GCOMP] << 24; + *ptr4++ = pixel; + pixel = *ptr4 && 0xffffff00; + pixel |= rgba[i][RCOMP]; + *ptr4 = pixel; + break; + case 1: + pixel &= 0x000000ff; + pixel |= rgba[i][BCOMP] << 8; + pixel |= rgba[i][GCOMP] << 16; + pixel |= rgba[i][RCOMP] << 24; + *ptr4 = pixel; + break; + } + } + ptr += 3; + } + } + else { + /* write all pixels */ + int w = n; + GLuint *ptr4 = (GLuint *) ptr; + register GLuint pixel = *ptr4; + int index = (int)(ptr - (GLubyte *)ptr4); + register GLuint i = 0; + switch (index) { + case 0: + break; + case 1: + pixel &= 0x00ffffff; + pixel |= rgba[i][BCOMP] << 24; + *ptr4++ = pixel; + pixel = *ptr4 && 0xffff0000; + pixel |= rgba[i][GCOMP]; + pixel |= rgba[i++][RCOMP] << 8; + *ptr4 = pixel; + if (0 == --w) + break; + case 2: + pixel &= 0x0000ffff; + pixel |= rgba[i][BCOMP] << 16; + pixel |= rgba[i][GCOMP] << 24; + *ptr4++ = pixel; + pixel = *ptr4 && 0xffffff00; + pixel |= rgba[i++][RCOMP]; + *ptr4 = pixel; + if (0 == --w) + break; + case 3: + pixel &= 0x000000ff; + pixel |= rgba[i][BCOMP] << 8; + pixel |= rgba[i][GCOMP] << 16; + pixel |= rgba[i++][RCOMP] << 24; + *ptr4++ = pixel; + if (0 == --w) + break; + break; + } + while (w > 3) { + pixel = rgba[i][BCOMP]; + pixel |= rgba[i][GCOMP] << 8; + pixel |= rgba[i++][RCOMP] << 16; + pixel |= rgba[i][BCOMP] << 24; + *ptr4++ = pixel; + pixel = rgba[i][GCOMP]; + pixel |= rgba[i++][RCOMP] << 8; + pixel |= rgba[i][BCOMP] << 16; + pixel |= rgba[i][GCOMP] << 24; + *ptr4++ = pixel; + pixel = rgba[i++][RCOMP]; + pixel |= rgba[i][BCOMP] << 8; + pixel |= rgba[i][GCOMP] << 16; + pixel |= rgba[i++][RCOMP] << 24; + *ptr4++ = pixel; + w -= 4; + } + switch (w) { + case 0: + break; + case 1: + pixel = *ptr4 & 0xff000000; + pixel |= rgba[i][BCOMP]; + pixel |= rgba[i][GCOMP] << 8; + pixel |= rgba[i][RCOMP] << 16; + *ptr4 = pixel; + break; + case 2: + pixel = rgba[i][BCOMP]; + pixel |= rgba[i][GCOMP] << 8; + pixel |= rgba[i++][RCOMP] << 16; + pixel |= rgba[i][BCOMP] << 24; + *ptr4++ = pixel; + pixel = *ptr4 & 0xffff0000; + pixel |= rgba[i][GCOMP]; + pixel |= rgba[i][RCOMP] << 8; + *ptr4 = pixel; + break; + case 3: + pixel = rgba[i][BCOMP]; + pixel |= rgba[i][GCOMP] << 8; + pixel |= rgba[i++][RCOMP] << 16; + pixel |= rgba[i][BCOMP] << 24; + *ptr4++ = pixel; + pixel = rgba[i][GCOMP]; + pixel |= rgba[i++][RCOMP] << 8; + pixel |= rgba[i][BCOMP] << 16; + pixel |= rgba[i][GCOMP] << 24; + *ptr4++ = pixel; + pixel = *ptr4 & 0xffffff00; + pixel |= rgba[i][RCOMP]; + *ptr4 = pixel; + break; + } + } +} + + +/* + * Write a span of PF_8R8G8B-format pixels to an ximage (no alpha). + */ +static void put_row_rgb_8R8G8B_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + } +} + + +/* + * Write a span of PF_8R8G8B24-format pixels to an ximage (no alpha). + */ +static void put_row_rgb_8R8G8B24_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = (GLubyte *) PIXEL_ADDR3(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + *ptr++ = rgb[i][BCOMP]; + *ptr++ = rgb[i][GCOMP]; + *ptr++ = rgb[i][RCOMP]; + } + else { + ptr += 3; + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + *ptr++ = rgb[i][BCOMP]; + *ptr++ = rgb[i][GCOMP]; + *ptr++ = rgb[i][RCOMP]; + } + } +} + + +/* + * Write a span of PF_5R6G5B-format pixels to an ximage. + */ +static void put_row_5R6G5B_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLushort *ptr = PIXEL_ADDR2(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ +#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ + GLuint *ptr32 = (GLuint *) ptr; + GLuint extraPixel = (n & 1); + n -= extraPixel; + for (i = 0; i < n; i += 2) { + GLuint p0, p1; + p0 = PACK_5R6G5B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + p1 = PACK_5R6G5B(rgba[i+1][RCOMP], rgba[i+1][GCOMP], rgba[i+1][BCOMP]); + *ptr32++ = (p1 << 16) | p0; + } + if (extraPixel) { + ptr[n] = PACK_5R6G5B(rgba[n][RCOMP], rgba[n][GCOMP], rgba[n][BCOMP]); + } +#else + for (i = 0; i < n; i++) { + ptr[i] = PACK_5R6G5B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + } +#endif + } +} + + +/* + * Write a span of PF_DITHER_5R6G5B-format pixels to an ximage. + */ +static void put_row_DITHER_5R6G5B_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint i; + register GLushort *ptr = PIXEL_ADDR2(xrb, x, y); + const GLint y2 = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + PACK_TRUEDITHER( ptr[i], x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ +#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ + GLuint *ptr32 = (GLuint *) ptr; + GLuint extraPixel = (n & 1); + n -= extraPixel; + for (i = 0; i < n; i += 2, x += 2) { + GLuint p0, p1; + PACK_TRUEDITHER( p0, x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + PACK_TRUEDITHER( p1, x+1, y2, rgba[i+1][RCOMP], rgba[i+1][GCOMP], rgba[i+1][BCOMP] ); + *ptr32++ = (p1 << 16) | p0; + } + if (extraPixel) { + PACK_TRUEDITHER( ptr[n], x+n, y2, rgba[n][RCOMP], rgba[n][GCOMP], rgba[n][BCOMP]); + } +#else + for (i = 0; i < n; i++, x++) { + PACK_TRUEDITHER( ptr[i], x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + } +#endif + } +} + + +/* + * Write a span of PF_5R6G5B-format pixels to an ximage (no alpha). + */ +static void put_row_rgb_5R6G5B_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLushort *ptr = PIXEL_ADDR2(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ +#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ + GLuint *ptr32 = (GLuint *) ptr; + GLuint extraPixel = (n & 1); + n -= extraPixel; + for (i = 0; i < n; i += 2) { + GLuint p0, p1; + p0 = PACK_5R6G5B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + p1 = PACK_5R6G5B(rgb[i+1][RCOMP], rgb[i+1][GCOMP], rgb[i+1][BCOMP]); + *ptr32++ = (p1 << 16) | p0; + } + if (extraPixel) { + ptr[n] = PACK_5R6G5B(rgb[n][RCOMP], rgb[n][GCOMP], rgb[n][BCOMP]); + } +#else + for (i=0;i<n;i++) { + ptr[i] = PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } +#endif + } +} + + +/* + * Write a span of PF_DITHER_5R6G5B-format pixels to an ximage (no alpha). + */ +static void put_row_rgb_DITHER_5R6G5B_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint i; + register GLushort *ptr = PIXEL_ADDR2(xrb, x, y ); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + PACK_TRUEDITHER( ptr[i], x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ +#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ + GLuint *ptr32 = (GLuint *) ptr; + GLuint extraPixel = (n & 1); + n -= extraPixel; + for (i = 0; i < n; i += 2, x += 2) { + GLuint p0, p1; + PACK_TRUEDITHER( p0, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + PACK_TRUEDITHER( p1, x+1, y, rgb[i+1][RCOMP], rgb[i+1][GCOMP], rgb[i+1][BCOMP] ); + *ptr32++ = (p1 << 16) | p0; + } + if (extraPixel) { + PACK_TRUEDITHER( ptr[n], x+n, y, rgb[n][RCOMP], rgb[n][GCOMP], rgb[n][BCOMP]); + } +#else + for (i=0;i<n;i++,x++) { + PACK_TRUEDITHER( ptr[i], x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } +#endif + } +} + + +/* + * Write a span of PF_DITHER pixels to an XImage. + */ +static void put_row_DITHER_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + int yy = YFLIP(xrb, y); + XDITHER_SETUP(yy); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, yy, XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, yy, XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } +} + + +/* + * Write a span of PF_DITHER pixels to an XImage (no alpha). + */ +static void put_row_rgb_DITHER_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + int yy = YFLIP(xrb, y); + XDITHER_SETUP(yy); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, yy, XDITHER( x, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, yy, XDITHER( x, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + } + } +} + + + +/* + * Write a span of 8-bit PF_DITHER pixels to an XImage. + */ +static void put_row_DITHER8_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + XDITHER_SETUP(y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + ptr[i] = (GLubyte) XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } + } + else { + for (i=0;i<n;i++,x++) { + ptr[i] = (GLubyte) XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +static void put_row_rgb_DITHER8_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + XDITHER_SETUP(y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + ptr[i] = (GLubyte) XDITHER( x, rgb[i][0], rgb[i][1], rgb[i][2] ); + } + } + } + else { + const GLubyte *data = (GLubyte *) rgb; + for (i=0;i<n;i++,x++) { + /*ptr[i] = XDITHER( x, rgb[i][0], rgb[i][1], rgb[i][2] );*/ + ptr[i] = (GLubyte) XDITHER( x, data[i+i+i], data[i+i+i+1], data[i+i+i+2] ); + } + } +} + + + +/* + * Write a span of PF_1BIT pixels to an XImage. + */ +static void put_row_1BIT_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + SETUP_1BIT; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel(img, x, y, DITHER_1BIT(x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); + } + } + } + else { + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, DITHER_1BIT(x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); + } + } +} + + +/* + * Write a span of PF_1BIT pixels to an XImage (no alpha). + */ +static void put_row_rgb_1BIT_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + SETUP_1BIT; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel(img, x, y, DITHER_1BIT(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP])); + } + } + } + else { + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, DITHER_1BIT(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); + } + } +} + + +/* + * Write a span of PF_HPCR pixels to an XImage. + */ +static void put_row_HPCR_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + ptr[i] = DITHER_HPCR( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + ptr[i] = DITHER_HPCR( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write a span of PF_HPCR pixels to an XImage (no alpha). + */ +static void put_row_rgb_HPCR_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + ptr[i] = DITHER_HPCR( x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + ptr[i] = DITHER_HPCR( x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + } +} + + +/* + * Write a span of PF_LOOKUP pixels to an XImage. + */ +static void put_row_LOOKUP_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + LOOKUP_SETUP; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, y, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } +} + + +/* + * Write a span of PF_LOOKUP pixels to an XImage (no alpha). + */ +static void put_row_rgb_LOOKUP_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + LOOKUP_SETUP; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, y, LOOKUP( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, LOOKUP( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + } + } +} + + +/* + * Write a span of 8-bit PF_LOOKUP pixels to an XImage. + */ +static void put_row_LOOKUP8_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + LOOKUP_SETUP; + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + ptr[i] = (GLubyte) LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + ptr[i] = (GLubyte) LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +static void put_row_rgb_LOOKUP8_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + LOOKUP_SETUP; + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + ptr[i] = (GLubyte) LOOKUP( rgb[i][0], rgb[i][1], rgb[i][2] ); + } + } + } + else { + /* draw all pixels */ + const GLubyte *data = (GLubyte *) rgb; + for (i=0;i<n;i++,x++) { + /*ptr[i] = LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );*/ + ptr[i] = (GLubyte) LOOKUP( data[i+i+i], data[i+i+i+1], data[i+i+i+2] ); + } + } +} + + +/* + * Write a span of PF_GRAYSCALE pixels to an XImage. + */ +static void put_row_GRAYSCALE_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, y, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } +} + + +/* + * Write a span of PF_GRAYSCALE pixels to an XImage (no alpha). + */ +static void put_row_rgb_GRAYSCALE_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, y, GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); + } + } +} + + +/* + * Write a span of 8-bit PF_GRAYSCALE pixels to an XImage. + */ +static void put_row_GRAYSCALE8_ximage( PUT_ROW_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = (GLubyte) GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = (GLubyte) GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write a span of 8-bit PF_GRAYSCALE pixels to an XImage (no alpha). + */ +static void put_row_rgb_GRAYSCALE8_ximage( RGB_SPAN_ARGS ) +{ + const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + if (mask) { + for (i=0;i<n;i++) { + if (mask[i]) { + ptr[i] = (GLubyte) GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + } + } + else { + /* draw all pixels */ + for (i=0;i<n;i++) { + ptr[i] = (GLubyte) GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); + } + } +} + + + + +/**********************************************************************/ +/*** Write COLOR PIXEL functions ***/ +/**********************************************************************/ + + +#define PUT_VALUES_ARGS \ + GLcontext *ctx, struct gl_renderbuffer *rb, \ + GLuint n, const GLint x[], const GLint y[], \ + const void *values, const GLubyte mask[] + + +/* + * Write an array of PF_TRUECOLOR pixels to a pixmap. + */ +static void put_values_TRUECOLOR_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_TRUEDITHER pixels to a pixmap. + */ +static void put_values_TRUEDITHER_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_8A8B8G8R pixels to a pixmap. + */ +static void put_values_8A8B8G8R_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + +/* + * Write an array of PF_8A8R8G8B pixels to a pixmap. + */ +static void put_values_8A8R8G8B_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + +/* + * Write an array of PF_8R8G8B pixels to a pixmap. + */ +static void put_values_8R8G8B_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_8R8G8B24 pixels to a pixmap. + */ +static void put_values_8R8G8B24_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_5R6G5B pixels to a pixmap. + */ +static void put_values_5R6G5B_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_DITHER_5R6G5B pixels to a pixmap. + */ +static void put_values_DITHER_5R6G5B_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_DITHER pixels to a pixmap. + */ +static void put_values_DITHER_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + DITHER_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER(x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_1BIT pixels to a pixmap. + */ +static void put_values_1BIT_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + SETUP_1BIT; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER_1BIT( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_HPCR pixels to a pixmap. + */ +static void put_values_HPCR_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, + DITHER_HPCR( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_LOOKUP pixels to a pixmap. + */ +static void put_values_LOOKUP_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + LOOKUP_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_GRAYSCALE pixels to a pixmap. + */ +static void put_values_GRAYSCALE_pixmap( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_TRUECOLOR pixels to an ximage. + */ +static void put_values_TRUECOLOR_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), p ); + } + } +} + + +/* + * Write an array of PF_TRUEDITHER pixels to an XImage. + */ +static void put_values_TRUEDITHER_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), p ); + } + } +} + + +/* + * Write an array of PF_8A8B8G8R pixels to an ximage. + */ +static void put_values_8A8B8G8R_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); + *ptr = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + } +} + +/* + * Write an array of PF_8A8R8G8B pixels to an ximage. + */ +static void put_values_8A8R8G8B_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i]); + *ptr = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + } + } +} + + +/* + * Write an array of PF_8R8G8B pixels to an ximage. + */ +static void put_values_8R8G8B_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i]); + *ptr = PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write an array of PF_8R8G8B24 pixels to an ximage. + */ +static void put_values_8R8G8B24_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + bgr_t *ptr = PIXEL_ADDR3(xrb, x[i], y[i] ); + ptr->r = rgba[i][RCOMP]; + ptr->g = rgba[i][GCOMP]; + ptr->b = rgba[i][BCOMP]; + } + } +} + + +/* + * Write an array of PF_5R6G5B pixels to an ximage. + */ +static void put_values_5R6G5B_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLushort *ptr = PIXEL_ADDR2(xrb, x[i], y[i] ); + *ptr = PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write an array of PF_DITHER_5R6G5B pixels to an ximage. + */ +static void put_values_DITHER_5R6G5B_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLushort *ptr = PIXEL_ADDR2(xrb, x[i], y[i] ); + PACK_TRUEDITHER( *ptr, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write an array of PF_DITHER pixels to an XImage. + */ +static void put_values_DITHER_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + DITHER_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), + DITHER( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } +} + + +/* + * Write an array of 8-bit PF_DITHER pixels to an XImage. + */ +static void put_values_DITHER8_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + DITHER_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = (GLubyte) DITHER( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write an array of PF_1BIT pixels to an XImage. + */ +static void put_values_1BIT_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + SETUP_1BIT; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), + DITHER_1BIT( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); + } + } +} + + +/* + * Write an array of PF_HPCR pixels to an XImage. + */ +static void put_values_HPCR_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = (GLubyte) DITHER_HPCR( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write an array of PF_LOOKUP pixels to an XImage. + */ +static void put_values_LOOKUP_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + LOOKUP_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), LOOKUP(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); + } + } +} + + +/* + * Write an array of 8-bit PF_LOOKUP pixels to an XImage. + */ +static void put_values_LOOKUP8_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + LOOKUP_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = (GLubyte) LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + +/* + * Write an array of PF_GRAYSCALE pixels to an XImage. + */ +static void put_values_GRAYSCALE_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), + GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); + } + } +} + + +/* + * Write an array of 8-bit PF_GRAYSCALE pixels to an XImage. + */ +static void put_values_GRAYSCALE8_ximage( PUT_VALUES_ARGS ) +{ + const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i] ); + *ptr = (GLubyte) GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + } + } +} + + + + +/**********************************************************************/ +/*** Write MONO COLOR SPAN functions ***/ +/**********************************************************************/ + +#define PUT_MONO_ROW_ARGS \ + GLcontext *ctx, struct gl_renderbuffer *rb, \ + GLuint n, GLint x, GLint y, const void *value, \ + const GLubyte mask[] + + + +/* + * Write a span of identical pixels to a pixmap. + */ +static void put_mono_row_pixmap( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], + color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); + register GLuint i; + XMesaSetForeground( xmesa->display, gc, pixel ); + y = YFLIP(xrb, y); + + /* New code contributed by Jeff Epler and cleaned up by Keith + * Whitwell. + */ + for (i = 0; i < n; ) { + GLuint start = i; + + /* Identify and emit contiguous rendered pixels + */ + while (i < n && (!mask || mask[i])) + i++; + + if (start < i) + XMesaFillRectangle( dpy, buffer, gc, + (int)(x+start), (int) y, + (int)(i-start), 1); + + /* Eat up non-rendered pixels + */ + while (i < n && !mask[i]) + i++; + } +} + + + +static void +put_mono_row_ci_pixmap( PUT_MONO_ROW_ARGS ) +{ + GLuint colorIndex = *((GLuint *) value); + XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + XMesaSetForeground( xmesa->display, gc, colorIndex ); + y = YFLIP(xrb, y); + + for (i = 0 ; i < n ;) { + GLuint start = i; + + /* Identify and emit contiguous rendered pixels + */ + while (i < n && (!mask || mask[i])) + i++; + + if (start < i) + XMesaFillRectangle( dpy, buffer, gc, + (int)(x+start), (int) y, + (int)(i-start), 1); + + /* Eat up non-rendered pixels + */ + while (i < n && !mask[i]) + i++; + } +} + + + +/* + * Write a span of PF_TRUEDITHER pixels to a pixmap. + */ +static void put_mono_row_TRUEDITHER_pixmap( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + int yy = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x, yy, r, g, b); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) yy ); + } + } +} + + +/* + * Write a span of PF_DITHER pixels to a pixmap. + */ +static void put_mono_row_DITHER_pixmap( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + int yy = YFLIP(xrb, y); + XDITHER_SETUP(yy); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + XMesaSetForeground( dpy, gc, XDITHER( x, r, g, b ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) yy ); + } + } +} + + +/* + * Write a span of PF_1BIT pixels to a pixmap. + */ +static void put_mono_row_1BIT_pixmap( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + SETUP_1BIT; + y = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + XMesaSetForeground( dpy, gc, DITHER_1BIT( x, y, r, g, b ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } +} + + +/* + * Write a span of identical pixels to an XImage. + */ +static void put_mono_row_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaImage *img = xrb->ximage; + register GLuint i; + const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], + color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); + y = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + XMesaPutPixel( img, x, y, pixel ); + } + } +} + + +static void +put_mono_row_ci_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLuint colorIndex = *((GLuint *) value); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + XMesaPutPixel( img, x, y, colorIndex ); + } + } +} + + +/* + * Write a span of identical PF_TRUEDITHER pixels to an XImage. + */ +static void put_mono_row_TRUEDITHER_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaImage *img = xrb->ximage; + const GLint r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + GLuint i; + y = YFLIP(xrb, y); + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + unsigned long p; + PACK_TRUEDITHER( p, x+i, y, r, g, b); + XMesaPutPixel( img, x+i, y, p ); + } + } +} + + +/* + * Write a span of identical 8A8B8G8R pixels to an XImage. + */ +static void put_mono_row_8A8B8G8R_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + GLuint i, *ptr; + const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], + color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); + ptr = PIXEL_ADDR4(xrb, x, y ); + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + ptr[i] = pixel; + } + } +} + +/* + * Write a span of identical 8A8R8G8B pixels to an XImage. + */ +static void put_mono_row_8A8R8G8B_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + GLuint i, *ptr; + XMesaContext xmesa = XMESA_CONTEXT(ctx); + const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], + color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); + ptr = PIXEL_ADDR4(xrb, x, y ); + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + ptr[i] = pixel; + } + } +} + + +/* + * Write a span of identical 8R8G8B pixels to an XImage. + */ +static void put_mono_row_8R8G8B_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLuint pixel = PACK_8R8G8B(color[RCOMP], color[GCOMP], color[BCOMP]); + GLuint *ptr = PIXEL_ADDR4(xrb, x, y ); + GLuint i; + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + ptr[i] = pixel; + } + } +} + + +/* + * Write a span of identical 8R8G8B pixels to an XImage. + */ +static void put_mono_row_8R8G8B24_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP]; + const GLubyte g = color[GCOMP]; + const GLubyte b = color[BCOMP]; + GLuint i; + bgr_t *ptr = PIXEL_ADDR3(xrb, x, y ); + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + ptr[i].r = r; + ptr[i].g = g; + ptr[i].b = b; + } + } +} + + +/* + * Write a span of identical DITHER pixels to an XImage. + */ +static void put_mono_row_DITHER_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + XMesaImage *img = xrb->ximage; + int yy = YFLIP(xrb, y); + register GLuint i; + XDITHER_SETUP(yy); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + XMesaPutPixel( img, x, yy, XDITHER( x, r, g, b ) ); + } + } +} + + +/* + * Write a span of identical 8-bit DITHER pixels to an XImage. + */ +static void put_mono_row_DITHER8_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + register GLuint i; + XDITHER_SETUP(y); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + ptr[i] = (GLubyte) XDITHER( x, r, g, b ); + } + } +} + + +/* + * Write a span of identical 8-bit LOOKUP pixels to an XImage. + */ +static void put_mono_row_LOOKUP8_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + GLubyte pixel; + LOOKUP_SETUP; + pixel = LOOKUP(color[RCOMP], color[GCOMP], color[BCOMP]); + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + ptr[i] = pixel; + } + } +} + + +/* + * Write a span of identical PF_1BIT pixels to an XImage. + */ +static void put_mono_row_1BIT_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + XMesaImage *img = xrb->ximage; + register GLuint i; + SETUP_1BIT; + y = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + XMesaPutPixel( img, x, y, DITHER_1BIT( x, y, r, g, b ) ); + } + } +} + + +/* + * Write a span of identical HPCR pixels to an XImage. + */ +static void put_mono_row_HPCR_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); + register GLuint i; + for (i=0;i<n;i++,x++) { + if (!mask || mask[i]) { + ptr[i] = DITHER_HPCR( x, y, r, g, b ); + } + } +} + + +/* + * Write a span of identical 8-bit GRAYSCALE pixels to an XImage. + */ +static void put_mono_row_GRAYSCALE8_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte p = GRAY_RGB(color[RCOMP], color[GCOMP], color[BCOMP]); + GLubyte *ptr = (GLubyte *) PIXEL_ADDR1(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + ptr[i] = p; + } + } +} + + + +/* + * Write a span of identical PF_DITHER_5R6G5B pixels to an XImage. + */ +static void put_mono_row_DITHER_5R6G5B_ximage( PUT_MONO_ROW_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + register GLushort *ptr = PIXEL_ADDR2(xrb, x, y ); + const GLint r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + GLuint i; + y = YFLIP(xrb, y); + for (i=0;i<n;i++) { + if (!mask || mask[i]) { + PACK_TRUEDITHER(ptr[i], x+i, y, r, g, b); + } + } +} + + + +/**********************************************************************/ +/*** Write MONO COLOR PIXELS functions ***/ +/**********************************************************************/ + +#define PUT_MONO_VALUES_ARGS \ + GLcontext *ctx, struct gl_renderbuffer *rb, \ + GLuint n, const GLint x[], const GLint y[], \ + const void *value, const GLubyte mask[] + + + +/* + * Write an array of identical pixels to a pixmap. + */ +static void put_mono_values_pixmap( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], + color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); + XMesaSetForeground( xmesa->display, gc, pixel ); + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaDrawPoint( dpy, buffer, gc, + (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +static void +put_mono_values_ci_pixmap( PUT_MONO_VALUES_ARGS ) +{ + const GLuint colorIndex = *((GLuint *) value); + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + XMesaSetForeground( xmesa->display, gc, colorIndex ); + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaDrawPoint( dpy, buffer, gc, + (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_TRUEDITHER pixels to a pixmap. + */ +static void put_mono_values_TRUEDITHER_pixmap( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x[i], y[i], r, g, b); + XMesaSetForeground( dpy, gc, p ); + XMesaDrawPoint( dpy, buffer, gc, + (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_DITHER pixels to a pixmap. + */ +static void put_mono_values_DITHER_pixmap( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + DITHER_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, DITHER( x[i], y[i], r, g, b ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of PF_1BIT pixels to a pixmap. + */ +static void put_mono_values_1BIT_pixmap( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + SETUP_1BIT; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, DITHER_1BIT( x[i], y[i], r, g, b ) ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of identical pixels to an XImage. + */ +static void put_mono_values_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], + color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), pixel ); + } + } +} + + +static void +put_mono_values_ci_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLuint colorIndex = *((GLuint *) value); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), colorIndex ); + } + } +} + + +/* + * Write an array of identical TRUEDITHER pixels to an XImage. + */ +static void put_mono_values_TRUEDITHER_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + const int r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + for (i=0;i<n;i++) { + if (mask[i]) { + unsigned long p; + PACK_TRUEDITHER(p, x[i], YFLIP(xrb, y[i]), r, g, b); + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), p ); + } + } +} + + + +/* + * Write an array of identical 8A8B8G8R pixels to an XImage + */ +static void put_mono_values_8A8B8G8R_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLuint p = PACK_8A8B8G8R(color[RCOMP], color[GCOMP], + color[BCOMP], color[ACOMP]); + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); + *ptr = p; + } + } +} + +/* + * Write an array of identical 8A8R8G8B pixels to an XImage + */ +static void put_mono_values_8A8R8G8B_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLuint p = PACK_8A8R8G8B(color[RCOMP], color[GCOMP], + color[BCOMP], color[ACOMP]); + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); + *ptr = p; + } + } +} + +/* + * Write an array of identical 8R8G8B pixels to an XImage. + */ +static void put_mono_values_8R8G8B_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + const GLuint p = PACK_8R8G8B(color[RCOMP], color[GCOMP], color[BCOMP]); + for (i=0;i<n;i++) { + if (mask[i]) { + GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); + *ptr = p; + } + } +} + + +/* + * Write an array of identical 8R8G8B pixels to an XImage. + */ +static void put_mono_values_8R8G8B24_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + bgr_t *ptr = PIXEL_ADDR3(xrb, x[i], y[i] ); + ptr->r = r; + ptr->g = g; + ptr->b = b; + } + } +} + + +/* + * Write an array of identical PF_DITHER pixels to an XImage. + */ +static void put_mono_values_DITHER_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + XMesaImage *img = xrb->ximage; + register GLuint i; + DITHER_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), DITHER( x[i], y[i], r, g, b ) ); + } + } +} + + +/* + * Write an array of identical 8-bit PF_DITHER pixels to an XImage. + */ +static void put_mono_values_DITHER8_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + DITHER_SETUP; + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = (GLubyte) DITHER( x[i], y[i], r, g, b ); + } + } +} + + +/* + * Write an array of identical 8-bit PF_LOOKUP pixels to an XImage. + */ +static void put_mono_values_LOOKUP8_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + GLubyte pixel; + LOOKUP_SETUP; + pixel = LOOKUP(color[RCOMP], color[GCOMP], color[BCOMP]); + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = pixel; + } + } +} + + + +/* + * Write an array of identical PF_1BIT pixels to an XImage. + */ +static void put_mono_values_1BIT_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + XMesaImage *img = xrb->ximage; + register GLuint i; + SETUP_1BIT; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), + DITHER_1BIT( x[i], y[i], r, g, b )); + } + } +} + + +/* + * Write an array of identical PF_HPCR pixels to an XImage. + */ +static void put_mono_values_HPCR_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = DITHER_HPCR( x[i], y[i], r, g, b ); + } + } +} + + +/* + * Write an array of identical 8-bit PF_GRAYSCALE pixels to an XImage. + */ +static void put_mono_values_GRAYSCALE8_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + register GLuint i; + register GLubyte p = GRAY_RGB(color[RCOMP], color[GCOMP], color[BCOMP]); + for (i=0;i<n;i++) { + if (mask[i]) { + GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); + *ptr = p; + } + } +} + + +/* + * Write an array of identical PF_DITHER_5R6G5B pixels to an XImage. + */ +static void put_mono_values_DITHER_5R6G5B_ximage( PUT_MONO_VALUES_ARGS ) +{ + const GLubyte *color = (const GLubyte *) value; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + const int r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + GLushort *ptr = PIXEL_ADDR2(xrb, x[i], y[i] ); + PACK_TRUEDITHER(*ptr, x[i], y[i], r, g, b); + } + } +} + + + +/**********************************************************************/ +/*** Write INDEX SPAN functions ***/ +/**********************************************************************/ + +/* + * Write a span of CI pixels to a Pixmap. + */ +static void put_row_ci_pixmap( PUT_ROW_ARGS ) +{ + const GLuint *index = (GLuint *) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, (unsigned long) index[i] ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } + } + else { + for (i=0;i<n;i++,x++) { + XMesaSetForeground( dpy, gc, (unsigned long) index[i] ); + XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); + } + } +} + + +/* + * Write a span of CI pixels to an XImage. + */ +static void put_row_ci_ximage( PUT_ROW_ARGS ) +{ + const GLuint *index = (const GLuint *) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + y = YFLIP(xrb, y); + if (mask) { + for (i=0;i<n;i++,x++) { + if (mask[i]) { + XMesaPutPixel( img, x, y, (unsigned long) index[i] ); + } + } + } + else { + for (i=0;i<n;i++,x++) { + XMesaPutPixel( img, x, y, (unsigned long) index[i] ); + } + } +} + + +/**********************************************************************/ +/*** Write INDEX PIXELS functions ***/ +/**********************************************************************/ + +/* + * Write an array of CI pixels to a Pixmap. + */ +static void put_values_ci_pixmap( PUT_VALUES_ARGS ) +{ + const GLuint *index = (const GLuint *) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaDrawable buffer = xrb->drawable; + XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaSetForeground( dpy, gc, (unsigned long) index[i] ); + XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); + } + } +} + + +/* + * Write an array of CI pixels to an XImage. + */ +static void put_values_ci_ximage( PUT_VALUES_ARGS ) +{ + const GLuint *index = (const GLuint *) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaImage *img = xrb->ximage; + register GLuint i; + for (i=0;i<n;i++) { + if (mask[i]) { + XMesaPutPixel(img, x[i], YFLIP(xrb, y[i]), (unsigned long) index[i]); + } + } +} + + + + +/**********************************************************************/ +/***** Pixel reading *****/ +/**********************************************************************/ + +#ifndef XFree86Server +/** + * Do clip testing prior to calling XGetImage. If any of the region lies + * outside the screen's bounds, XGetImage will return NULL. + * We use XTranslateCoordinates() to check if that's the case and + * adjust the x, y and length parameters accordingly. + * \return -1 if span is totally clipped away, + * else return number of pixels to skip in the destination array. + */ +static int +clip_for_xgetimage(GLcontext *ctx, GLuint *n, GLint *x, GLint *y) +{ + XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer source = XMESA_BUFFER(ctx->DrawBuffer); + Window rootWin = RootWindow(xmesa->display, 0); + Window child; + GLint screenWidth = WidthOfScreen(DefaultScreenOfDisplay(xmesa->display)); + GLint dx, dy; + if (source->type == PBUFFER || source->type == PIXMAP) + return 0; + XTranslateCoordinates(xmesa->display, source->frontxrb->pixmap, rootWin, + *x, *y, &dx, &dy, &child); + if (dx >= screenWidth) { + /* totally clipped on right */ + return -1; + } + if (dx < 0) { + /* clipped on left */ + GLint clip = -dx; + if (clip >= (GLint) *n) + return -1; /* totally clipped on left */ + *x += clip; + *n -= clip; + dx = 0; + return clip; + } + if ((GLint) (dx + *n) > screenWidth) { + /* clipped on right */ + GLint clip = dx + *n - screenWidth; + *n -= clip; + } + return 0; +} +#endif + + +/* + * Read a horizontal span of color-index pixels. + */ +static void +get_row_ci(GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, void *values) +{ + GLuint *index = (GLuint *) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + GLuint i; + + y = YFLIP(xrb, y); + + if (xrb->pixmap) { +#ifndef XFree86Server + XMesaImage *span = NULL; + int error; + int k = clip_for_xgetimage(ctx, &n, &x, &y); + if (k < 0) + return; + index += k; + + catch_xgetimage_errors( xmesa->display ); + span = XGetImage( xmesa->display, xrb->pixmap, + x, y, n, 1, AllPlanes, ZPixmap ); + error = check_xgetimage_errors(); + if (span && !error) { + for (i=0;i<n;i++) { + index[i] = (GLuint) XMesaGetPixel( span, i, 0 ); + } + } + else { + /* return 0 pixels */ + for (i=0;i<n;i++) { + index[i] = 0; + } + } + if (span) { + XMesaDestroyImage( span ); + } +#else + (*xmesa->display->GetImage)(xrb->drawable, + x, y, n, 1, ZPixmap, + ~0L, (void *)index); +#endif + } + else if (xrb->ximage) { + XMesaImage *img = xrb->ximage; + for (i=0;i<n;i++,x++) { + index[i] = (GLuint) XMesaGetPixel( img, x, y ); + } + } +} + + + +/* + * Read a horizontal span of color pixels. + */ +static void +get_row_rgba(GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, void *values) +{ + GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + XMesaBuffer source = XMESA_BUFFER(ctx->DrawBuffer); + + if (xrb->pixmap) { + /* Read from Pixmap or Window */ + XMesaImage *span = NULL; + int error; +#ifdef XFree86Server + span = XMesaCreateImage(xmesa->xm_visual->BitsPerPixel, n, 1, NULL); + span->data = (char *)MALLOC(span->height * span->bytes_per_line); + error = (!span->data); + (*xmesa->display->GetImage)(xrb->drawable, + x, YFLIP(xrb, y), n, 1, ZPixmap, + ~0L, (void *)span->data); +#else + int k; + y = YFLIP(xrb, y); + k = clip_for_xgetimage(ctx, &n, &x, &y); + if (k < 0) + return; + rgba += k; + catch_xgetimage_errors( xmesa->display ); + span = XGetImage( xmesa->display, xrb->pixmap, + x, y, n, 1, AllPlanes, ZPixmap ); + error = check_xgetimage_errors(); +#endif + if (span && !error) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + case PF_Dither_True: + { + const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; + const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; + const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; + unsigned long rMask = GET_REDMASK(xmesa->xm_visual); + unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); + unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); + GLint rShift = xmesa->xm_visual->rshift; + GLint gShift = xmesa->xm_visual->gshift; + GLint bShift = xmesa->xm_visual->bshift; + GLuint i; + for (i=0;i<n;i++) { + unsigned long p; + p = XMesaGetPixel( span, i, 0 ); + rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; + rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; + rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_5R6G5B: + case PF_Dither_5R6G5B: + { + const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; + const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; + const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; + GLuint i; + for (i=0;i<n;i++) { + unsigned long p = XMesaGetPixel( span, i, 0 ); + /* fast, but not quite accurate + rgba[i][RCOMP] = ((p >> 8) & 0xf8); + rgba[i][GCOMP] = ((p >> 3) & 0xfc); + rgba[i][BCOMP] = ((p << 3) & 0xff); + */ + rgba[i][RCOMP] = pixelToR[p >> 11]; + rgba[i][GCOMP] = pixelToG[(p >> 5) & 0x3f]; + rgba[i][BCOMP] = pixelToB[p & 0x1f]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_8A8B8G8R: + { + const GLuint *ptr4 = (GLuint *) span->data; + GLuint i; + for (i=0;i<n;i++) { + GLuint p4 = *ptr4++; + rgba[i][RCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); + } + } + break; + case PF_8A8R8G8B: + { + const GLuint *ptr4 = (GLuint *) span->data; + GLuint i; + for (i=0;i<n;i++) { + GLuint p4 = *ptr4++; + rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); + } + } + break; + case PF_8R8G8B: + { + const GLuint *ptr4 = (GLuint *) span->data; + GLuint i; + for (i=0;i<n;i++) { + GLuint p4 = *ptr4++; + rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][ACOMP] = 255; + } + } + break; + case PF_8R8G8B24: + { + const bgr_t *ptr3 = (bgr_t *) span->data; + GLuint i; + for (i=0;i<n;i++) { + rgba[i][RCOMP] = ptr3[i].r; + rgba[i][GCOMP] = ptr3[i].g; + rgba[i][BCOMP] = ptr3[i].b; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_HPCR: + { + GLubyte *ptr1 = (GLubyte *) span->data; + GLuint i; + for (i=0;i<n;i++) { + GLubyte p = *ptr1++; + rgba[i][RCOMP] = p & 0xE0; + rgba[i][GCOMP] = (p & 0x1C) << 3; + rgba[i][BCOMP] = (p & 0x03) << 6; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_Dither: + case PF_Lookup: + case PF_Grayscale: + { + GLubyte *rTable = source->pixel_to_r; + GLubyte *gTable = source->pixel_to_g; + GLubyte *bTable = source->pixel_to_b; + if (GET_VISUAL_DEPTH(xmesa->xm_visual)==8) { + const GLubyte *ptr1 = (GLubyte *) span->data; + GLuint i; + for (i=0;i<n;i++) { + unsigned long p = *ptr1++; + rgba[i][RCOMP] = rTable[p]; + rgba[i][GCOMP] = gTable[p]; + rgba[i][BCOMP] = bTable[p]; + rgba[i][ACOMP] = 255; + } + } + else { + GLuint i; + for (i=0;i<n;i++) { + unsigned long p = XMesaGetPixel( span, i, 0 ); + rgba[i][RCOMP] = rTable[p]; + rgba[i][GCOMP] = gTable[p]; + rgba[i][BCOMP] = bTable[p]; + rgba[i][ACOMP] = 255; + } + } + } + break; + case PF_1Bit: + { + int bitFlip = xmesa->xm_visual->bitFlip; + GLuint i; + for (i=0;i<n;i++) { + unsigned long p; + p = XMesaGetPixel( span, i, 0 ) ^ bitFlip; + rgba[i][RCOMP] = (GLubyte) (p * 255); + rgba[i][GCOMP] = (GLubyte) (p * 255); + rgba[i][BCOMP] = (GLubyte) (p * 255); + rgba[i][ACOMP] = 255; + } + } + break; + default: + _mesa_problem(NULL,"Problem in DD.read_color_span (1)"); + return; + } + } + else { + /* return black pixels */ + GLuint i; + for (i=0;i<n;i++) { + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = rgba[i][ACOMP] = 0; + } + } + if (span) { + XMesaDestroyImage( span ); + } + } + else if (xrb->ximage) { + /* Read from XImage back buffer */ + switch (xmesa->pixelformat) { + case PF_Truecolor: + case PF_Dither_True: + { + const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; + const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; + const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; + unsigned long rMask = GET_REDMASK(xmesa->xm_visual); + unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); + unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); + GLint rShift = xmesa->xm_visual->rshift; + GLint gShift = xmesa->xm_visual->gshift; + GLint bShift = xmesa->xm_visual->bshift; + XMesaImage *img = xrb->ximage; + GLuint i; + y = YFLIP(xrb, y); + for (i=0;i<n;i++) { + unsigned long p; + p = XMesaGetPixel( img, x+i, y ); + rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; + rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; + rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_5R6G5B: + case PF_Dither_5R6G5B: + { + const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; + const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; + const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; + const GLushort *ptr2 = PIXEL_ADDR2(xrb, x, y); + GLuint i; +#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ + const GLuint *ptr4 = (const GLuint *) ptr2; + GLuint extraPixel = (n & 1); + n -= extraPixel; + for (i = 0; i < n; i += 2) { + const GLuint p = *ptr4++; + const GLuint p0 = p & 0xffff; + const GLuint p1 = p >> 16; + /* fast, but not quite accurate + rgba[i][RCOMP] = ((p >> 8) & 0xf8); + rgba[i][GCOMP] = ((p >> 3) & 0xfc); + rgba[i][BCOMP] = ((p << 3) & 0xff); + */ + rgba[i][RCOMP] = pixelToR[p0 >> 11]; + rgba[i][GCOMP] = pixelToG[(p0 >> 5) & 0x3f]; + rgba[i][BCOMP] = pixelToB[p0 & 0x1f]; + rgba[i][ACOMP] = 255; + rgba[i+1][RCOMP] = pixelToR[p1 >> 11]; + rgba[i+1][GCOMP] = pixelToG[(p1 >> 5) & 0x3f]; + rgba[i+1][BCOMP] = pixelToB[p1 & 0x1f]; + rgba[i+1][ACOMP] = 255; + } + if (extraPixel) { + GLushort p = ptr2[n]; + rgba[n][RCOMP] = pixelToR[p >> 11]; + rgba[n][GCOMP] = pixelToG[(p >> 5) & 0x3f]; + rgba[n][BCOMP] = pixelToB[p & 0x1f]; + rgba[n][ACOMP] = 255; + } +#else + for (i = 0; i < n; i++) { + const GLushort p = ptr2[i]; + rgba[i][RCOMP] = pixelToR[p >> 11]; + rgba[i][GCOMP] = pixelToG[(p >> 5) & 0x3f]; + rgba[i][BCOMP] = pixelToB[p & 0x1f]; + rgba[i][ACOMP] = 255; + } +#endif + } + break; + case PF_8A8B8G8R: + { + const GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + GLuint p4 = *ptr4++; + rgba[i][RCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][ACOMP] = (GLint) ((p4 >> 24) & 0xff); + } + } + break; + case PF_8A8R8G8B: + { + const GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + GLuint p4 = *ptr4++; + rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][ACOMP] = (GLint) ((p4 >> 24) & 0xff); + } + } + break; + case PF_8R8G8B: + { + const GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + GLuint p4 = *ptr4++; + rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][ACOMP] = 255; + } + } + break; + case PF_8R8G8B24: + { + const bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + rgba[i][RCOMP] = ptr3[i].r; + rgba[i][GCOMP] = ptr3[i].g; + rgba[i][BCOMP] = ptr3[i].b; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_HPCR: + { + const GLubyte *ptr1 = PIXEL_ADDR1(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + GLubyte p = *ptr1++; + rgba[i][RCOMP] = p & 0xE0; + rgba[i][GCOMP] = (p & 0x1C) << 3; + rgba[i][BCOMP] = (p & 0x03) << 6; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_Dither: + case PF_Lookup: + case PF_Grayscale: + { + const GLubyte *rTable = source->pixel_to_r; + const GLubyte *gTable = source->pixel_to_g; + const GLubyte *bTable = source->pixel_to_b; + if (GET_VISUAL_DEPTH(xmesa->xm_visual)==8) { + GLubyte *ptr1 = PIXEL_ADDR1(xrb, x, y); + GLuint i; + for (i=0;i<n;i++) { + unsigned long p = *ptr1++; + rgba[i][RCOMP] = rTable[p]; + rgba[i][GCOMP] = gTable[p]; + rgba[i][BCOMP] = bTable[p]; + rgba[i][ACOMP] = 255; + } + } + else { + XMesaImage *img = xrb->ximage; + GLuint i; + y = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + unsigned long p = XMesaGetPixel( img, x, y ); + rgba[i][RCOMP] = rTable[p]; + rgba[i][GCOMP] = gTable[p]; + rgba[i][BCOMP] = bTable[p]; + rgba[i][ACOMP] = 255; + } + } + } + break; + case PF_1Bit: + { + XMesaImage *img = xrb->ximage; + int bitFlip = xmesa->xm_visual->bitFlip; + GLuint i; + y = YFLIP(xrb, y); + for (i=0;i<n;i++,x++) { + unsigned long p; + p = XMesaGetPixel( img, x, y ) ^ bitFlip; + rgba[i][RCOMP] = (GLubyte) (p * 255); + rgba[i][GCOMP] = (GLubyte) (p * 255); + rgba[i][BCOMP] = (GLubyte) (p * 255); + rgba[i][ACOMP] = 255; + } + } + break; + default: + _mesa_problem(NULL,"Problem in DD.read_color_span (2)"); + return; + } + } +} + + + +/* + * Read an array of color index pixels. + */ +static void +get_values_ci(GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], void *values) +{ + GLuint *indx = (GLuint *) values; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + GLuint i; + if (xrb->pixmap) { + for (i=0;i<n;i++) { + indx[i] = (GLuint) read_pixel( xmesa->display, xrb->drawable, + x[i], YFLIP(xrb, y[i]) ); + } + } + else if (xrb->ximage) { + XMesaImage *img = xrb->ximage; + for (i=0;i<n;i++) { + indx[i] = (GLuint) XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ); + } + } +} + + + +static void +get_values_rgba(GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], void *values) +{ + GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; + struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaDisplay *dpy = xmesa->xm_visual->display; + XMesaBuffer source = XMESA_BUFFER(ctx->DrawBuffer); + register GLuint i; + + if (xrb->pixmap) { + XMesaDrawable buffer = xrb->drawable; + switch (xmesa->pixelformat) { + case PF_Truecolor: + case PF_Dither_True: + case PF_5R6G5B: + case PF_Dither_5R6G5B: + { + unsigned long rMask = GET_REDMASK(xmesa->xm_visual); + unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); + unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); + GLubyte *pixelToR = xmesa->xm_visual->PixelToR; + GLubyte *pixelToG = xmesa->xm_visual->PixelToG; + GLubyte *pixelToB = xmesa->xm_visual->PixelToB; + GLint rShift = xmesa->xm_visual->rshift; + GLint gShift = xmesa->xm_visual->gshift; + GLint bShift = xmesa->xm_visual->bshift; + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; + rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; + rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_8A8B8G8R: + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = (GLubyte) ( p & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ((p >> 16) & 0xff); + rgba[i][ACOMP] = (GLubyte) ((p >> 24) & 0xff); + } + break; + case PF_8A8R8G8B: + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = (GLubyte) ((p >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p & 0xff); + rgba[i][ACOMP] = (GLubyte) ((p >> 24) & 0xff); + } + break; + case PF_8R8G8B: + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = (GLubyte) ((p >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p & 0xff); + rgba[i][ACOMP] = 255; + } + break; + case PF_8R8G8B24: + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = (GLubyte) ((p >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p & 0xff); + rgba[i][ACOMP] = 255; + } + break; + case PF_HPCR: + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = (GLubyte) ( p & 0xE0 ); + rgba[i][GCOMP] = (GLubyte) ((p & 0x1C) << 3); + rgba[i][BCOMP] = (GLubyte) ((p & 0x03) << 6); + rgba[i][ACOMP] = (GLubyte) 255; + } + break; + case PF_Dither: + case PF_Lookup: + case PF_Grayscale: + { + GLubyte *rTable = source->pixel_to_r; + GLubyte *gTable = source->pixel_to_g; + GLubyte *bTable = source->pixel_to_b; + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = rTable[p]; + rgba[i][GCOMP] = gTable[p]; + rgba[i][BCOMP] = bTable[p]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_1Bit: + { + int bitFlip = xmesa->xm_visual->bitFlip; + for (i=0;i<n;i++) { + unsigned long p = read_pixel( dpy, buffer, + x[i], YFLIP(xrb, y[i])) ^ bitFlip; + rgba[i][RCOMP] = (GLubyte) (p * 255); + rgba[i][GCOMP] = (GLubyte) (p * 255); + rgba[i][BCOMP] = (GLubyte) (p * 255); + rgba[i][ACOMP] = 255; + } + } + break; + default: + _mesa_problem(NULL,"Problem in DD.read_color_pixels (1)"); + return; + } + } + else if (xrb->ximage) { + /* Read from XImage back buffer */ + switch (xmesa->pixelformat) { + case PF_Truecolor: + case PF_Dither_True: + case PF_5R6G5B: + case PF_Dither_5R6G5B: + { + unsigned long rMask = GET_REDMASK(xmesa->xm_visual); + unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); + unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); + GLubyte *pixelToR = xmesa->xm_visual->PixelToR; + GLubyte *pixelToG = xmesa->xm_visual->PixelToG; + GLubyte *pixelToB = xmesa->xm_visual->PixelToB; + GLint rShift = xmesa->xm_visual->rshift; + GLint gShift = xmesa->xm_visual->gshift; + GLint bShift = xmesa->xm_visual->bshift; + XMesaImage *img = xrb->ximage; + for (i=0;i<n;i++) { + unsigned long p; + p = XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; + rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; + rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_8A8B8G8R: + for (i=0;i<n;i++) { + GLuint *ptr4 = PIXEL_ADDR4(xrb, x[i], y[i]); + GLuint p4 = *ptr4; + rgba[i][RCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); + } + break; + case PF_8A8R8G8B: + for (i=0;i<n;i++) { + GLuint *ptr4 = PIXEL_ADDR4(xrb, x[i], y[i]); + GLuint p4 = *ptr4; + rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); + } + break; + case PF_8R8G8B: + for (i=0;i<n;i++) { + GLuint *ptr4 = PIXEL_ADDR4(xrb, x[i], y[i]); + GLuint p4 = *ptr4; + rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); + rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); + rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); + rgba[i][ACOMP] = 255; + } + break; + case PF_8R8G8B24: + for (i=0;i<n;i++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, x[i], y[i]); + rgba[i][RCOMP] = ptr3->r; + rgba[i][GCOMP] = ptr3->g; + rgba[i][BCOMP] = ptr3->b; + rgba[i][ACOMP] = 255; + } + break; + case PF_HPCR: + for (i=0;i<n;i++) { + GLubyte *ptr1 = PIXEL_ADDR1(xrb, x[i], y[i]); + GLubyte p = *ptr1; + rgba[i][RCOMP] = p & 0xE0; + rgba[i][GCOMP] = (p & 0x1C) << 3; + rgba[i][BCOMP] = (p & 0x03) << 6; + rgba[i][ACOMP] = 255; + } + break; + case PF_Dither: + case PF_Lookup: + case PF_Grayscale: + { + GLubyte *rTable = source->pixel_to_r; + GLubyte *gTable = source->pixel_to_g; + GLubyte *bTable = source->pixel_to_b; + XMesaImage *img = xrb->ximage; + for (i=0;i<n;i++) { + unsigned long p; + p = XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ); + rgba[i][RCOMP] = rTable[p]; + rgba[i][GCOMP] = gTable[p]; + rgba[i][BCOMP] = bTable[p]; + rgba[i][ACOMP] = 255; + } + } + break; + case PF_1Bit: + { + XMesaImage *img = xrb->ximage; + int bitFlip = xmesa->xm_visual->bitFlip; + for (i=0;i<n;i++) { + unsigned long p; + p = XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ) ^ bitFlip; + rgba[i][RCOMP] = (GLubyte) (p * 255); + rgba[i][GCOMP] = (GLubyte) (p * 255); + rgba[i][BCOMP] = (GLubyte) (p * 255); + rgba[i][ACOMP] = 255; + } + } + break; + default: + _mesa_problem(NULL,"Problem in DD.read_color_pixels (1)"); + return; + } + } +} + + +/** + * Initialize the renderbuffer's PutRow, GetRow, etc. functions. + * This would generally only need to be called once when the renderbuffer + * is created. However, we can change pixel formats on the fly if dithering + * is enabled/disabled. Therefore, we may call this more often than that. + */ +void +xmesa_set_renderbuffer_funcs(struct xmesa_renderbuffer *xrb, + enum pixel_format pixelformat, GLint depth) +{ + const GLboolean pixmap = xrb->pixmap ? GL_TRUE : GL_FALSE; + + switch (pixelformat) { + case PF_Index: + ASSERT(xrb->Base.DataType == GL_UNSIGNED_INT); + if (pixmap) { + xrb->Base.PutRow = put_row_ci_pixmap; + xrb->Base.PutRowRGB = NULL; + xrb->Base.PutMonoRow = put_mono_row_ci_pixmap; + xrb->Base.PutValues = put_values_ci_pixmap; + xrb->Base.PutMonoValues = put_mono_values_ci_pixmap; + } + else { + xrb->Base.PutRow = put_row_ci_ximage; + xrb->Base.PutRowRGB = NULL; + xrb->Base.PutMonoRow = put_mono_row_ci_ximage; + xrb->Base.PutValues = put_values_ci_ximage; + xrb->Base.PutMonoValues = put_mono_values_ci_ximage; + } + break; + case PF_Truecolor: + if (pixmap) { + xrb->Base.PutRow = put_row_TRUECOLOR_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_TRUECOLOR_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_TRUECOLOR_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_TRUECOLOR_ximage; + xrb->Base.PutRowRGB = put_row_rgb_TRUECOLOR_ximage; + xrb->Base.PutMonoRow = put_mono_row_ximage; + xrb->Base.PutValues = put_values_TRUECOLOR_ximage; + xrb->Base.PutMonoValues = put_mono_values_ximage; + } + break; + case PF_Dither_True: + if (pixmap) { + xrb->Base.PutRow = put_row_TRUEDITHER_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_TRUEDITHER_pixmap; + xrb->Base.PutMonoRow = put_mono_row_TRUEDITHER_pixmap; + xrb->Base.PutValues = put_values_TRUEDITHER_pixmap; + xrb->Base.PutMonoValues = put_mono_values_TRUEDITHER_pixmap; + } + else { + xrb->Base.PutRow = put_row_TRUEDITHER_ximage; + xrb->Base.PutRowRGB = put_row_rgb_TRUEDITHER_ximage; + xrb->Base.PutMonoRow = put_mono_row_TRUEDITHER_ximage; + xrb->Base.PutValues = put_values_TRUEDITHER_ximage; + xrb->Base.PutMonoValues = put_mono_values_TRUEDITHER_ximage; + } + break; + case PF_8A8B8G8R: + if (pixmap) { + xrb->Base.PutRow = put_row_8A8B8G8R_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_8A8B8G8R_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_8A8B8G8R_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_8A8B8G8R_ximage; + xrb->Base.PutRowRGB = put_row_rgb_8A8B8G8R_ximage; + xrb->Base.PutMonoRow = put_mono_row_8A8B8G8R_ximage; + xrb->Base.PutValues = put_values_8A8B8G8R_ximage; + xrb->Base.PutMonoValues = put_mono_values_8A8B8G8R_ximage; + } + break; + case PF_8A8R8G8B: + if (pixmap) { + xrb->Base.PutRow = put_row_8A8R8G8B_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_8A8R8G8B_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_8A8R8G8B_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_8A8R8G8B_ximage; + xrb->Base.PutRowRGB = put_row_rgb_8A8R8G8B_ximage; + xrb->Base.PutMonoRow = put_mono_row_8A8R8G8B_ximage; + xrb->Base.PutValues = put_values_8A8R8G8B_ximage; + xrb->Base.PutMonoValues = put_mono_values_8A8R8G8B_ximage; + } + break; + case PF_8R8G8B: + if (pixmap) { + xrb->Base.PutRow = put_row_8R8G8B_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_8R8G8B_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_8R8G8B_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_8R8G8B_ximage; + xrb->Base.PutRowRGB = put_row_rgb_8R8G8B_ximage; + xrb->Base.PutMonoRow = put_mono_row_8R8G8B_ximage; + xrb->Base.PutValues = put_values_8R8G8B_ximage; + xrb->Base.PutMonoValues = put_mono_values_8R8G8B_ximage; + } + break; + case PF_8R8G8B24: + if (pixmap) { + xrb->Base.PutRow = put_row_8R8G8B24_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_8R8G8B24_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_8R8G8B24_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_8R8G8B24_ximage; + xrb->Base.PutRowRGB = put_row_rgb_8R8G8B24_ximage; + xrb->Base.PutMonoRow = put_mono_row_8R8G8B24_ximage; + xrb->Base.PutValues = put_values_8R8G8B24_ximage; + xrb->Base.PutMonoValues = put_mono_values_8R8G8B24_ximage; + } + break; + case PF_5R6G5B: + if (pixmap) { + xrb->Base.PutRow = put_row_5R6G5B_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_5R6G5B_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_5R6G5B_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_5R6G5B_ximage; + xrb->Base.PutRowRGB = put_row_rgb_5R6G5B_ximage; + xrb->Base.PutMonoRow = put_mono_row_ximage; + xrb->Base.PutValues = put_values_5R6G5B_ximage; + xrb->Base.PutMonoValues = put_mono_values_ximage; + } + break; + case PF_Dither_5R6G5B: + if (pixmap) { + xrb->Base.PutRow = put_row_DITHER_5R6G5B_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_DITHER_5R6G5B_pixmap; + xrb->Base.PutMonoRow = put_mono_row_TRUEDITHER_pixmap; + xrb->Base.PutValues = put_values_DITHER_5R6G5B_pixmap; + xrb->Base.PutMonoValues = put_mono_values_TRUEDITHER_pixmap; + } + else { + xrb->Base.PutRow = put_row_DITHER_5R6G5B_ximage; + xrb->Base.PutRowRGB = put_row_rgb_DITHER_5R6G5B_ximage; + xrb->Base.PutMonoRow = put_mono_row_DITHER_5R6G5B_ximage; + xrb->Base.PutValues = put_values_DITHER_5R6G5B_ximage; + xrb->Base.PutMonoValues = put_mono_values_DITHER_5R6G5B_ximage; + } + break; + case PF_Dither: + if (pixmap) { + xrb->Base.PutRow = put_row_DITHER_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_DITHER_pixmap; + xrb->Base.PutMonoRow = put_mono_row_DITHER_pixmap; + xrb->Base.PutValues = put_values_DITHER_pixmap; + xrb->Base.PutMonoValues = put_mono_values_DITHER_pixmap; + } + else { + if (depth == 8) { + xrb->Base.PutRow = put_row_DITHER8_ximage; + xrb->Base.PutRowRGB = put_row_rgb_DITHER8_ximage; + xrb->Base.PutMonoRow = put_mono_row_DITHER8_ximage; + xrb->Base.PutValues = put_values_DITHER8_ximage; + xrb->Base.PutMonoValues = put_mono_values_DITHER8_ximage; + } + else { + xrb->Base.PutRow = put_row_DITHER_ximage; + xrb->Base.PutRowRGB = put_row_rgb_DITHER_ximage; + xrb->Base.PutMonoRow = put_mono_row_DITHER_ximage; + xrb->Base.PutValues = put_values_DITHER_ximage; + xrb->Base.PutMonoValues = put_mono_values_DITHER_ximage; + } + } + break; + case PF_1Bit: + if (pixmap) { + xrb->Base.PutRow = put_row_1BIT_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_1BIT_pixmap; + xrb->Base.PutMonoRow = put_mono_row_1BIT_pixmap; + xrb->Base.PutValues = put_values_1BIT_pixmap; + xrb->Base.PutMonoValues = put_mono_values_1BIT_pixmap; + } + else { + xrb->Base.PutRow = put_row_1BIT_ximage; + xrb->Base.PutRowRGB = put_row_rgb_1BIT_ximage; + xrb->Base.PutMonoRow = put_mono_row_1BIT_ximage; + xrb->Base.PutValues = put_values_1BIT_ximage; + xrb->Base.PutMonoValues = put_mono_values_1BIT_ximage; + } + break; + case PF_HPCR: + if (pixmap) { + xrb->Base.PutRow = put_row_HPCR_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_HPCR_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_HPCR_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + xrb->Base.PutRow = put_row_HPCR_ximage; + xrb->Base.PutRowRGB = put_row_rgb_HPCR_ximage; + xrb->Base.PutMonoRow = put_mono_row_HPCR_ximage; + xrb->Base.PutValues = put_values_HPCR_ximage; + xrb->Base.PutMonoValues = put_mono_values_HPCR_ximage; + } + break; + case PF_Lookup: + if (pixmap) { + xrb->Base.PutRow = put_row_LOOKUP_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_LOOKUP_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_LOOKUP_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + if (depth==8) { + xrb->Base.PutRow = put_row_LOOKUP8_ximage; + xrb->Base.PutRowRGB = put_row_rgb_LOOKUP8_ximage; + xrb->Base.PutMonoRow = put_mono_row_LOOKUP8_ximage; + xrb->Base.PutValues = put_values_LOOKUP8_ximage; + xrb->Base.PutMonoValues = put_mono_values_LOOKUP8_ximage; + } + else { + xrb->Base.PutRow = put_row_LOOKUP_ximage; + xrb->Base.PutRowRGB = put_row_rgb_LOOKUP_ximage; + xrb->Base.PutMonoRow = put_mono_row_ximage; + xrb->Base.PutValues = put_values_LOOKUP_ximage; + xrb->Base.PutMonoValues = put_mono_values_ximage; + } + } + break; + case PF_Grayscale: + if (pixmap) { + xrb->Base.PutRow = put_row_GRAYSCALE_pixmap; + xrb->Base.PutRowRGB = put_row_rgb_GRAYSCALE_pixmap; + xrb->Base.PutMonoRow = put_mono_row_pixmap; + xrb->Base.PutValues = put_values_GRAYSCALE_pixmap; + xrb->Base.PutMonoValues = put_mono_values_pixmap; + } + else { + if (depth == 8) { + xrb->Base.PutRow = put_row_GRAYSCALE8_ximage; + xrb->Base.PutRowRGB = put_row_rgb_GRAYSCALE8_ximage; + xrb->Base.PutMonoRow = put_mono_row_GRAYSCALE8_ximage; + xrb->Base.PutValues = put_values_GRAYSCALE8_ximage; + xrb->Base.PutMonoValues = put_mono_values_GRAYSCALE8_ximage; + } + else { + xrb->Base.PutRow = put_row_GRAYSCALE_ximage; + xrb->Base.PutRowRGB = put_row_rgb_GRAYSCALE_ximage; + xrb->Base.PutMonoRow = put_mono_row_ximage; + xrb->Base.PutValues = put_values_GRAYSCALE_ximage; + xrb->Base.PutMonoValues = put_mono_values_ximage; + } + } + break; + default: + _mesa_problem(NULL, "Bad pixel format in xmesa_update_state (1)"); + return; + } + + + /* Get functions */ + if (pixelformat == PF_Index) { + xrb->Base.GetRow = get_row_ci; + xrb->Base.GetValues = get_values_ci; + } + else { + xrb->Base.GetRow = get_row_rgba; + xrb->Base.GetValues = get_values_rgba; + } +} + diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_tri.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_tri.c new file mode 100644 index 000000000..87989f46f --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_tri.c @@ -0,0 +1,1623 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2004 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. + */ + + +/* + * This file contains "accelerated" triangle functions. It should be + * fairly easy to write new special-purpose triangle functions and hook + * them into this module. + */ + + +#include "glxheader.h" +#include "depth.h" +#include "macros.h" +#include "imports.h" +#include "mtypes.h" +#include "xmesaP.h" + +/* Internal swrast includes: + */ +#include "swrast/s_context.h" +#include "swrast/s_depth.h" +#include "swrast/s_triangle.h" + + +#define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \ + (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped + + +/**********************************************************************/ +/*** Triangle rendering ***/ +/**********************************************************************/ + + +/* + * XImage, smooth, depth-buffered, PF_TRUECOLOR triangle. + */ +#define NAME smooth_TRUECOLOR_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); + +#define RENDER_SPAN( span ) \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + GLuint i; \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + unsigned long p; \ + PACK_TRUECOLOR(p, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + XMesaPutPixel(xrb->ximage, x, y, p); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } + +#include "swrast/s_tritemp.h" + + + + +/* + * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle. + */ +#define NAME smooth_8A8B8G8R_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = PACK_8B8G8R(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } + +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_8A8R8G8B triangle. + */ +#define NAME smooth_8A8R8G8B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); + +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } + +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_8R8G8B triangle. + */ +#define NAME smooth_8R8G8B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); + +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } + +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_8R8G8B24 triangle. + */ +#define NAME smooth_8R8G8B24_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y) +#define PIXEL_TYPE bgr_t +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + PIXEL_TYPE *ptr = pRow + i; \ + ptr->r = FixedToInt(span.red); \ + ptr->g = FixedToInt(span.green); \ + ptr->b = FixedToInt(span.blue); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_TRUEDITHER triangle. + */ +#define NAME smooth_TRUEDITHER_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + unsigned long p; \ + PACK_TRUEDITHER(p, x, y, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + XMesaPutPixel(xrb->ximage, x, y, p); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_5R6G5B triangle. + */ +#define NAME smooth_5R6G5B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = PACK_5R6G5B(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_DITHER_5R6G5B triangle. + */ +#define NAME smooth_DITHER_5R6G5B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + PACK_TRUEDITHER(pRow[i], x, y, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle. + */ +#define NAME smooth_DITHER8_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + XDITHER_SETUP(y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red),\ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, PF_DITHER triangle. + */ +#define NAME smooth_DITHER_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + XDITHER_SETUP(y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + unsigned long p = XDITHER(x, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + XMesaPutPixel(img, x, y, p); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle. + */ +#define NAME smooth_LOOKUP8_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + LOOKUP_SETUP; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = LOOKUP(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, depth-buffered, 8-bit PF_HPCR triangle. + */ +#define NAME smooth_HPCR_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_TRUECOLOR triangle. + */ +#define NAME flat_TRUECOLOR_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; \ + unsigned long pixel; \ + PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + XMesaPutPixel(img, x, y, pixel); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_8A8B8G8R triangle. + */ +#define NAME flat_8A8B8G8R_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + GLuint p = PACK_8B8G8R( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) p; \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_8A8R8G8B triangle. + */ +#define NAME flat_8A8R8G8B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) p; \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_8R8G8B triangle. + */ +#define NAME flat_8R8G8B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) p; \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } + +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_8R8G8B24 triangle. + */ +#define NAME flat_8R8G8B24_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y) +#define PIXEL_TYPE bgr_t +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = v2->color; +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + PIXEL_TYPE *ptr = pRow + i; \ + ptr->r = color[RCOMP]; \ + ptr->g = color[GCOMP]; \ + ptr->b = color[BCOMP]; \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_TRUEDITHER triangle. + */ +#define NAME flat_TRUEDITHER_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + unsigned long p; \ + PACK_TRUEDITHER(p, x, y, v2->color[0], \ + v2->color[1], v2->color[2]); \ + XMesaPutPixel(img, x, y, p); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_5R6G5B triangle. + */ +#define NAME flat_5R6G5B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + GLushort p = PACK_5R6G5B( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) p; \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_DITHER_5R6G5B triangle. + */ +#define NAME flat_DITHER_5R6G5B_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + const GLubyte *color = v2->color; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP], \ + color[GCOMP], color[BCOMP]); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, 8-bit PF_DITHER triangle. + */ +#define NAME flat_DITHER8_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y)); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, PF_DITHER triangle. + */ +#define NAME flat_DITHER_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; \ + FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + FLAT_DITHER_ROW_SETUP(y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + unsigned long p = FLAT_DITHER(x); \ + XMesaPutPixel(img, x, y, p); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, 8-bit PF_HPCR triangle. + */ +#define NAME flat_HPCR_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + GLubyte r = v2->color[0]; \ + GLubyte g = v2->color[1]; \ + GLubyte b = v2->color[2]; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle. + */ +#define NAME flat_LOOKUP8_z_triangle +#define INTERP_Z 1 +#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + LOOKUP_SETUP; \ + GLubyte r = v2->color[0]; \ + GLubyte g = v2->color[1]; \ + GLubyte b = v2->color[2]; \ + GLubyte p = LOOKUP(r,g,b); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + pRow[i] = p; \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_TRUECOLOR triangle. + */ +#define NAME smooth_TRUECOLOR_triangle +#define INTERP_RGB 1 +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + unsigned long p; \ + PACK_TRUECOLOR(p, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + XMesaPutPixel(img, x, y, p); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle. + */ +#define NAME smooth_8A8B8G8R_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = PACK_8B8G8R(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_8A8R8G8B triangle. + */ +#define NAME smooth_8A8R8G8B_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle. + */ +#define NAME smooth_8R8G8B_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle. + */ +#define NAME smooth_8R8G8B24_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y) +#define PIXEL_TYPE bgr_t +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + PIXEL_TYPE *pixel = pRow; \ + for (i = 0; i < span.end; i++, pixel++) { \ + pixel->r = FixedToInt(span.red); \ + pixel->g = FixedToInt(span.green); \ + pixel->b = FixedToInt(span.blue); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_TRUEDITHER triangle. + */ +#define NAME smooth_TRUEDITHER_triangle +#define INTERP_RGB 1 +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + unsigned long p; \ + PACK_TRUEDITHER(p, x, y, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + XMesaPutPixel(img, x, y, p ); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle. + */ +#define NAME smooth_5R6G5B_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = (PIXEL_TYPE) PACK_5R6G5B(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_DITHER_5R6G5B triangle. + */ +#define NAME smooth_DITHER_5R6G5B_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + PACK_TRUEDITHER(pRow[i], x, y, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle. + */ +#define NAME smooth_DITHER8_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + XDITHER_SETUP(y); \ + for (i = 0; i < span.end; i++, x++) { \ + pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, PF_DITHER triangle. + */ +#define NAME smooth_DITHER_triangle +#define INTERP_RGB 1 +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + XDITHER_SETUP(y); \ + for (i = 0; i < span.end; i++, x++) { \ + unsigned long p = XDITHER(x, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue) ); \ + XMesaPutPixel(img, x, y, p); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle. + */ +#define NAME smooth_LOOKUP8_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + LOOKUP_SETUP; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = LOOKUP(FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, smooth, NON-depth-buffered, 8-bit PF_HPCR triangle. + */ +#define NAME smooth_HPCR_triangle +#define INTERP_RGB 1 +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red), \ + FixedToInt(span.green), FixedToInt(span.blue)); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_TRUECOLOR triangle. + */ +#define NAME flat_TRUECOLOR_triangle +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; \ + unsigned long pixel; \ + PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + XMesaPutPixel(img, x, y, pixel); \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle. + */ +#define NAME flat_8A8B8G8R_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + unsigned long p = PACK_8B8G8R( v2->color[0], \ + v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = (PIXEL_TYPE) p; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_8A8R8G8B triangle. + */ +#define NAME flat_8A8R8G8B_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + unsigned long p = PACK_8R8G8B( v2->color[0], \ + v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = (PIXEL_TYPE) p; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_8R8G8B triangle. + */ +#define NAME flat_8R8G8B_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y) +#define PIXEL_TYPE GLuint +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + unsigned long p = PACK_8R8G8B( v2->color[0], \ + v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = (PIXEL_TYPE) p; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_8R8G8B24 triangle. + */ +#define NAME flat_8R8G8B24_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y) +#define PIXEL_TYPE bgr_t +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + const GLubyte *color = v2->color; +#define RENDER_SPAN( span ) \ + GLuint i; \ + PIXEL_TYPE *pixel = pRow; \ + for (i = 0; i < span.end; i++, pixel++) { \ + pixel->r = color[RCOMP]; \ + pixel->g = color[GCOMP]; \ + pixel->b = color[BCOMP]; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_TRUEDITHER triangle. + */ +#define NAME flat_TRUEDITHER_triangle +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + unsigned long p; \ + PACK_TRUEDITHER(p, x, y, v2->color[0], \ + v2->color[1], v2->color[2] ); \ + XMesaPutPixel(img, x, y, p); \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_5R6G5B triangle. + */ +#define NAME flat_5R6G5B_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + unsigned long p = PACK_5R6G5B( v2->color[0], \ + v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = (PIXEL_TYPE) p; \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_DITHER_5R6G5B triangle. + */ +#define NAME flat_DITHER_5R6G5B_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y) +#define PIXEL_TYPE GLushort +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + const GLubyte *color = v2->color; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP], \ + color[GCOMP], color[BCOMP]); \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle. + */ +#define NAME flat_DITHER8_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y)); \ + for (i = 0; i < span.end; i++, x++) { \ + pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x); \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, PF_DITHER triangle. + */ +#define NAME flat_DITHER_triangle +#define SETUP_CODE \ + GET_XRB(xrb); \ + XMesaImage *img = xrb->ximage; \ + FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] ); +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + FLAT_DITHER_ROW_SETUP(y); \ + for (i = 0; i < span.end; i++, x++) { \ + unsigned long p = FLAT_DITHER(x); \ + XMesaPutPixel(img, x, y, p ); \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, 8-bit PF_HPCR triangle. + */ +#define NAME flat_HPCR_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + XMesaContext xmesa = XMESA_CONTEXT(ctx); \ + GET_XRB(xrb); \ + GLubyte r = v2->color[0]; \ + GLubyte g = v2->color[1]; \ + GLubyte b = v2->color[2]; +#define RENDER_SPAN( span ) \ + GLuint i; \ + GLint x = span.x, y = YFLIP(xrb, span.y); \ + for (i = 0; i < span.end; i++, x++) { \ + pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b); \ + } +#include "swrast/s_tritemp.h" + + + +/* + * XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle. + */ +#define NAME flat_LOOKUP8_triangle +#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y) +#define PIXEL_TYPE GLubyte +#define BYTES_PER_ROW (xrb->ximage->bytes_per_line) +#define SETUP_CODE \ + GET_XRB(xrb); \ + LOOKUP_SETUP; \ + GLubyte r = v2->color[0]; \ + GLubyte g = v2->color[1]; \ + GLubyte b = v2->color[2]; \ + GLubyte p = LOOKUP(r,g,b); +#define RENDER_SPAN( span ) \ + GLuint i; \ + for (i = 0; i < span.end; i++) { \ + pRow[i] = (PIXEL_TYPE) p; \ + } +#include "swrast/s_tritemp.h" + + + +#ifdef DEBUG +extern void _xmesa_print_triangle_func( swrast_tri_func triFunc ); +void _xmesa_print_triangle_func( swrast_tri_func triFunc ) +{ + _mesa_printf("XMesa tri func = "); + if (triFunc ==smooth_TRUECOLOR_z_triangle) + _mesa_printf("smooth_TRUECOLOR_z_triangle\n"); + else if (triFunc ==smooth_8A8B8G8R_z_triangle) + _mesa_printf("smooth_8A8B8G8R_z_triangle\n"); + else if (triFunc ==smooth_8A8R8G8B_z_triangle) + _mesa_printf("smooth_8A8R8G8B_z_triangle\n"); + else if (triFunc ==smooth_8R8G8B_z_triangle) + _mesa_printf("smooth_8R8G8B_z_triangle\n"); + else if (triFunc ==smooth_8R8G8B24_z_triangle) + _mesa_printf("smooth_8R8G8B24_z_triangle\n"); + else if (triFunc ==smooth_TRUEDITHER_z_triangle) + _mesa_printf("smooth_TRUEDITHER_z_triangle\n"); + else if (triFunc ==smooth_5R6G5B_z_triangle) + _mesa_printf("smooth_5R6G5B_z_triangle\n"); + else if (triFunc ==smooth_DITHER_5R6G5B_z_triangle) + _mesa_printf("smooth_DITHER_5R6G5B_z_triangle\n"); + else if (triFunc ==smooth_HPCR_z_triangle) + _mesa_printf("smooth_HPCR_z_triangle\n"); + else if (triFunc ==smooth_DITHER8_z_triangle) + _mesa_printf("smooth_DITHER8_z_triangle\n"); + else if (triFunc ==smooth_LOOKUP8_z_triangle) + _mesa_printf("smooth_LOOKUP8_z_triangle\n"); + else if (triFunc ==flat_TRUECOLOR_z_triangle) + _mesa_printf("flat_TRUECOLOR_z_triangle\n"); + else if (triFunc ==flat_8A8B8G8R_z_triangle) + _mesa_printf("flat_8A8B8G8R_z_triangle\n"); + else if (triFunc ==flat_8A8R8G8B_z_triangle) + _mesa_printf("flat_8A8R8G8B_z_triangle\n"); + else if (triFunc ==flat_8R8G8B_z_triangle) + _mesa_printf("flat_8R8G8B_z_triangle\n"); + else if (triFunc ==flat_8R8G8B24_z_triangle) + _mesa_printf("flat_8R8G8B24_z_triangle\n"); + else if (triFunc ==flat_TRUEDITHER_z_triangle) + _mesa_printf("flat_TRUEDITHER_z_triangle\n"); + else if (triFunc ==flat_5R6G5B_z_triangle) + _mesa_printf("flat_5R6G5B_z_triangle\n"); + else if (triFunc ==flat_DITHER_5R6G5B_z_triangle) + _mesa_printf("flat_DITHER_5R6G5B_z_triangle\n"); + else if (triFunc ==flat_HPCR_z_triangle) + _mesa_printf("flat_HPCR_z_triangle\n"); + else if (triFunc ==flat_DITHER8_z_triangle) + _mesa_printf("flat_DITHER8_z_triangle\n"); + else if (triFunc ==flat_LOOKUP8_z_triangle) + _mesa_printf("flat_LOOKUP8_z_triangle\n"); + else if (triFunc ==smooth_TRUECOLOR_triangle) + _mesa_printf("smooth_TRUECOLOR_triangle\n"); + else if (triFunc ==smooth_8A8B8G8R_triangle) + _mesa_printf("smooth_8A8B8G8R_triangle\n"); + else if (triFunc ==smooth_8A8R8G8B_triangle) + _mesa_printf("smooth_8A8R8G8B_triangle\n"); + else if (triFunc ==smooth_8R8G8B_triangle) + _mesa_printf("smooth_8R8G8B_triangle\n"); + else if (triFunc ==smooth_8R8G8B24_triangle) + _mesa_printf("smooth_8R8G8B24_triangle\n"); + else if (triFunc ==smooth_TRUEDITHER_triangle) + _mesa_printf("smooth_TRUEDITHER_triangle\n"); + else if (triFunc ==smooth_5R6G5B_triangle) + _mesa_printf("smooth_5R6G5B_triangle\n"); + else if (triFunc ==smooth_DITHER_5R6G5B_triangle) + _mesa_printf("smooth_DITHER_5R6G5B_triangle\n"); + else if (triFunc ==smooth_HPCR_triangle) + _mesa_printf("smooth_HPCR_triangle\n"); + else if (triFunc ==smooth_DITHER8_triangle) + _mesa_printf("smooth_DITHER8_triangle\n"); + else if (triFunc ==smooth_LOOKUP8_triangle) + _mesa_printf("smooth_LOOKUP8_triangle\n"); + else if (triFunc ==flat_TRUECOLOR_triangle) + _mesa_printf("flat_TRUECOLOR_triangle\n"); + else if (triFunc ==flat_TRUEDITHER_triangle) + _mesa_printf("flat_TRUEDITHER_triangle\n"); + else if (triFunc ==flat_8A8B8G8R_triangle) + _mesa_printf("flat_8A8B8G8R_triangle\n"); + else if (triFunc ==flat_8A8R8G8B_triangle) + _mesa_printf("flat_8A8R8G8B_triangle\n"); + else if (triFunc ==flat_8R8G8B_triangle) + _mesa_printf("flat_8R8G8B_triangle\n"); + else if (triFunc ==flat_8R8G8B24_triangle) + _mesa_printf("flat_8R8G8B24_triangle\n"); + else if (triFunc ==flat_5R6G5B_triangle) + _mesa_printf("flat_5R6G5B_triangle\n"); + else if (triFunc ==flat_DITHER_5R6G5B_triangle) + _mesa_printf("flat_DITHER_5R6G5B_triangle\n"); + else if (triFunc ==flat_HPCR_triangle) + _mesa_printf("flat_HPCR_triangle\n"); + else if (triFunc ==flat_DITHER8_triangle) + _mesa_printf("flat_DITHER8_triangle\n"); + else if (triFunc ==flat_LOOKUP8_triangle) + _mesa_printf("flat_LOOKUP8_triangle\n"); + else + _mesa_printf("???\n"); +} +#endif + + +#ifdef DEBUG + +/* record the current triangle function name */ +static const char *triFuncName = NULL; + +#define USE(triFunc) \ +do { \ + triFuncName = #triFunc; \ + return triFunc; \ +} while (0) + +#else + +#define USE(triFunc) return triFunc + +#endif + + +static swrast_tri_func get_triangle_func( GLcontext *ctx ) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + XMesaContext xmesa = XMESA_CONTEXT(ctx); + int depth = GET_VISUAL_DEPTH(xmesa->xm_visual); + GET_XRB(xrb); + +#ifdef DEBUG + triFuncName = NULL; +#endif + + if ((ctx->DrawBuffer->_ColorDrawBufferMask[0] + & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0) + return (swrast_tri_func) NULL; + if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL; + if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL; + if (ctx->Texture._EnabledUnits) return (swrast_tri_func) NULL; + if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_tri_func) NULL; + if (ctx->Polygon.CullFlag && + ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) + return (swrast_tri_func) NULL; + + if (xrb->ximage) { + if ( ctx->Light.ShadeModel==GL_SMOOTH + && swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS + && ctx->Polygon.StippleFlag==GL_FALSE) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + USE(smooth_TRUECOLOR_z_triangle); + case PF_8A8B8G8R: + USE(smooth_8A8B8G8R_z_triangle); + case PF_8A8R8G8B: + USE(smooth_8A8R8G8B_z_triangle); + case PF_8R8G8B: + USE(smooth_8R8G8B_z_triangle); + case PF_8R8G8B24: + USE(smooth_8R8G8B24_z_triangle); + case PF_Dither_True: + USE(smooth_TRUEDITHER_z_triangle); + case PF_5R6G5B: + USE(smooth_5R6G5B_z_triangle); + case PF_Dither_5R6G5B: + USE(smooth_DITHER_5R6G5B_z_triangle); + case PF_HPCR: + USE(smooth_HPCR_z_triangle); + case PF_Dither: + if (depth == 8) + USE(smooth_DITHER8_z_triangle); + else + USE(smooth_DITHER_z_triangle); + case PF_Lookup: + if (depth == 8) + USE(smooth_LOOKUP8_z_triangle); + else + return (swrast_tri_func) NULL; + default: + return (swrast_tri_func) NULL; + } + } + if ( ctx->Light.ShadeModel==GL_FLAT + && swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS + && ctx->Polygon.StippleFlag==GL_FALSE) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + USE(flat_TRUECOLOR_z_triangle); + case PF_8A8B8G8R: + USE(flat_8A8B8G8R_z_triangle); + case PF_8A8R8G8B: + USE(flat_8A8R8G8B_z_triangle); + case PF_8R8G8B: + USE(flat_8R8G8B_z_triangle); + case PF_8R8G8B24: + USE(flat_8R8G8B24_z_triangle); + case PF_Dither_True: + USE(flat_TRUEDITHER_z_triangle); + case PF_5R6G5B: + USE(flat_5R6G5B_z_triangle); + case PF_Dither_5R6G5B: + USE(flat_DITHER_5R6G5B_z_triangle); + case PF_HPCR: + USE(flat_HPCR_z_triangle); + case PF_Dither: + if (depth == 8) + USE(flat_DITHER8_z_triangle); + else + USE(flat_DITHER_z_triangle); + case PF_Lookup: + if (depth == 8) + USE(flat_LOOKUP8_z_triangle); + else + return (swrast_tri_func) NULL; + default: + return (swrast_tri_func) NULL; + } + } + if ( swrast->_RasterMask==0 /* no depth test */ + && ctx->Light.ShadeModel==GL_SMOOTH + && ctx->Polygon.StippleFlag==GL_FALSE) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + USE(smooth_TRUECOLOR_triangle); + case PF_8A8B8G8R: + USE(smooth_8A8B8G8R_triangle); + case PF_8A8R8G8B: + USE(smooth_8A8R8G8B_triangle); + case PF_8R8G8B: + USE(smooth_8R8G8B_triangle); + case PF_8R8G8B24: + USE(smooth_8R8G8B24_triangle); + case PF_Dither_True: + USE(smooth_TRUEDITHER_triangle); + case PF_5R6G5B: + USE(smooth_5R6G5B_triangle); + case PF_Dither_5R6G5B: + USE(smooth_DITHER_5R6G5B_triangle); + case PF_HPCR: + USE(smooth_HPCR_triangle); + case PF_Dither: + if (depth == 8) + USE(smooth_DITHER8_triangle); + else + USE(smooth_DITHER_triangle); + case PF_Lookup: + if (depth == 8) + USE(smooth_LOOKUP8_triangle); + else + return (swrast_tri_func) NULL; + default: + return (swrast_tri_func) NULL; + } + } + + if ( swrast->_RasterMask==0 /* no depth test */ + && ctx->Light.ShadeModel==GL_FLAT + && ctx->Polygon.StippleFlag==GL_FALSE) { + switch (xmesa->pixelformat) { + case PF_Truecolor: + USE(flat_TRUECOLOR_triangle); + case PF_Dither_True: + USE(flat_TRUEDITHER_triangle); + case PF_8A8B8G8R: + USE(flat_8A8B8G8R_triangle); + case PF_8A8R8G8B: + USE(flat_8A8R8G8B_triangle); + case PF_8R8G8B: + USE(flat_8R8G8B_triangle); + case PF_8R8G8B24: + USE(flat_8R8G8B24_triangle); + case PF_5R6G5B: + USE(flat_5R6G5B_triangle); + case PF_Dither_5R6G5B: + USE(flat_DITHER_5R6G5B_triangle); + case PF_HPCR: + USE(flat_HPCR_triangle); + case PF_Dither: + if (depth == 8) + USE(flat_DITHER8_triangle); + else + USE(flat_DITHER_triangle); + case PF_Lookup: + if (depth == 8) + USE(flat_LOOKUP8_triangle); + else + return (swrast_tri_func) NULL; + default: + return (swrast_tri_func) NULL; + } + } + + return (swrast_tri_func) NULL; + } + else { + /* draw to pixmap */ + return (swrast_tri_func) NULL; + } +} + + +/* Override for the swrast tri-selection function. Try to use one + * of our internal tri functions, otherwise fall back to the + * standard swrast functions. + */ +void xmesa_choose_triangle( GLcontext *ctx ) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if (!(swrast->Triangle = get_triangle_func( ctx ))) + _swrast_choose_triangle( ctx ); +} + diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xmesaP.h b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xmesaP.h new file mode 100644 index 000000000..c5037e619 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xmesaP.h @@ -0,0 +1,554 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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. + */ + + +#ifndef XMESAP_H +#define XMESAP_H + + +#ifdef XFree86Server +# include "xf86glx_util.h" +#elif defined(USE_XSHM) +# include <X11/extensions/XShm.h> +#endif +#include "GL/xmesa.h" +#include "mtypes.h" +#if defined(FX) +#include "GL/fxmesa.h" +#include "../glide/fxdrv.h" +#endif + + +extern _glthread_Mutex _xmesa_lock; + + +/* for PF_8R8G8B24 pixel format */ +typedef struct { + GLubyte b; + GLubyte g; + GLubyte r; +} bgr_t; + + +struct xmesa_renderbuffer; + + +/* Function pointer for clearing color buffers */ +typedef void (*ClearFunc)( GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLboolean all, GLint x, GLint y, + GLint width, GLint height ); + + + + +/** Framebuffer pixel formats */ +enum pixel_format { + PF_Index, /**< Color Index mode */ + PF_Truecolor, /**< TrueColor or DirectColor, any depth */ + PF_Dither_True, /**< TrueColor with dithering */ + PF_8A8B8G8R, /**< 32-bit TrueColor: 8-A, 8-B, 8-G, 8-R */ + PF_8R8G8B, /**< 32-bit TrueColor: 8-R, 8-G, 8-B bits */ + PF_5R6G5B, /**< 16-bit TrueColor: 5-R, 6-G, 5-B bits */ + PF_Dither, /**< Color-mapped RGB with dither */ + PF_Lookup, /**< Color-mapped RGB without dither */ + PF_HPCR, /**< HP Color Recovery (ad@lms.be 30/08/95) */ + PF_1Bit, /**< monochrome dithering of RGB */ + PF_Grayscale, /**< Grayscale or StaticGray */ + PF_8R8G8B24, /**< 24-bit TrueColor: 8-R, 8-G, 8-B bits */ + PF_Dither_5R6G5B, /**< 16-bit dithered TrueColor: 5-R, 6-G, 5-B */ + PF_8A8R8G8B /**< 32-bit TrueColor: 8-A, 8-R, 8-G, 8-B */ +}; + + +/* + * "Derived" from GLvisual. Basically corresponds to an XVisualInfo. + */ +struct xmesa_visual { + GLvisual mesa_visual; /* Device independent visual parameters */ + XMesaDisplay *display; /* The X11 display */ +#ifdef XFree86Server + GLint ColormapEntries; + GLint nplanes; +#else + XMesaVisualInfo visinfo; /* X's visual info (pointer to private copy) */ + XVisualInfo *vishandle; /* Only used in fakeglx.c */ +#endif + GLint BitsPerPixel; /* True bits per pixel for XImages */ + + GLboolean ximage_flag; /* Use XImage for back buffer (not pixmap)? */ + + enum pixel_format dithered_pf; /* Pixel format when dithering */ + enum pixel_format undithered_pf;/* Pixel format when not dithering */ + + GLfloat RedGamma; /* Gamma values, 1.0 is default */ + GLfloat GreenGamma; + GLfloat BlueGamma; + + /* For PF_TRUECOLOR */ + GLint rshift, gshift, bshift;/* Pixel color component shifts */ + GLubyte Kernel[16]; /* Dither kernel */ + unsigned long RtoPixel[512]; /* RGB to pixel conversion */ + unsigned long GtoPixel[512]; + unsigned long BtoPixel[512]; + GLubyte PixelToR[256]; /* Pixel to RGB conversion */ + GLubyte PixelToG[256]; + GLubyte PixelToB[256]; + + /* For PF_HPCR */ + short hpcr_rgbTbl[3][256]; + GLboolean hpcr_clear_flag; + GLubyte hpcr_clear_ximage_pattern[2][16]; + XMesaImage *hpcr_clear_ximage; + XMesaPixmap hpcr_clear_pixmap; + + /* For PF_1BIT */ + int bitFlip; +}; + + +/* + * "Derived" from __GLcontextRec. Basically corresponds to a GLXContext. + */ +struct xmesa_context { + GLcontext mesa; /* the core library context (containment) */ + XMesaVisual xm_visual; /* Describes the buffers */ + XMesaBuffer xm_buffer; /* current span/point/line/triangle buffer */ + + XMesaDisplay *display; /* == xm_visual->display */ + GLboolean swapbytes; /* Host byte order != display byte order? */ + GLboolean direct; /* Direct rendering context? */ + + enum pixel_format pixelformat; + + GLubyte clearcolor[4]; /* current clearing color */ + unsigned long clearpixel; /* current clearing pixel value */ +}; + + + +typedef enum { + WINDOW, /* An X window */ + GLXWINDOW, /* GLX window */ + PIXMAP, /* GLX pixmap */ + PBUFFER /* GLX Pbuffer */ +} BufferType; + + +/** + * An xmesa_renderbuffer represents the back or front color buffer. + * For the front color buffer: + * <drawable> is the X window + * For the back color buffer: + * Either <ximage> or <pixmap> will be used, never both. + * In any case, <drawable> always equals <pixmap>. + * For stand-alone Mesa, we could merge <drawable> and <pixmap> into one + * field. We don't do that for the server-side GLcore module because + * pixmaps and drawables are different and we'd need a bunch of casts. + */ +struct xmesa_renderbuffer +{ + struct gl_renderbuffer Base; /* Base class */ + + XMesaDrawable drawable; /* Usually the X window ID */ + XMesaPixmap pixmap; /* Back color buffer */ + XMesaImage *ximage; /* The back buffer, if not using a Pixmap */ + + GLubyte *origin1; /* used for PIXEL_ADDR1 macro */ + GLint width1; + GLushort *origin2; /* used for PIXEL_ADDR2 macro */ + GLint width2; + GLubyte *origin3; /* used for PIXEL_ADDR3 macro */ + GLint width3; + GLuint *origin4; /* used for PIXEL_ADDR4 macro */ + GLint width4; + + GLint bottom; /* used for FLIP macro */ + + ClearFunc clearFunc; +}; + + +/* + * "Derived" from GLframebuffer. Basically corresponds to a GLXDrawable. + */ +struct xmesa_buffer { + GLframebuffer mesa_buffer; /* depth, stencil, accum, etc buffers */ + /* This MUST BE FIRST! */ + GLboolean wasCurrent; /* was ever the current buffer? */ + XMesaVisual xm_visual; /* the X/Mesa visual */ + + XMesaDisplay *display; + BufferType type; /* window, pixmap, pbuffer or glxwindow */ + + struct xmesa_renderbuffer *frontxrb; /* front color renderbuffer */ + struct xmesa_renderbuffer *backxrb; /* back color renderbuffer */ + + XMesaColormap cmap; /* the X colormap */ + + unsigned long selectedEvents;/* for pbuffers only */ + + GLint db_state; /* 0 = single buffered */ + /* BACK_PIXMAP = use Pixmap for back buffer */ + /* BACK_XIMAGE = use XImage for back buffer */ + +#ifndef XFree86Server + GLuint shm; /* X Shared Memory extension status: */ + /* 0 = not available */ + /* 1 = XImage support available */ + /* 2 = Pixmap support available too */ +#ifdef USE_XSHM + XShmSegmentInfo shminfo; +#endif +#endif + + XMesaImage *rowimage; /* Used for optimized span writing */ + XMesaPixmap stipple_pixmap; /* For polygon stippling */ + XMesaGC stipple_gc; /* For polygon stippling */ + + XMesaGC gc; /* scratch GC for span, line, tri drawing */ + XMesaGC cleargc; /* GC for clearing the color buffer */ + XMesaGC swapgc; /* GC for swapping the color buffers */ + + /* The following are here instead of in the XMesaVisual + * because they depend on the window's colormap. + */ + + /* For PF_DITHER, PF_LOOKUP, PF_GRAYSCALE */ + unsigned long color_table[576]; /* RGB -> pixel value */ + + /* For PF_DITHER, PF_LOOKUP, PF_GRAYSCALE */ + GLubyte pixel_to_r[65536]; /* pixel value -> red */ + GLubyte pixel_to_g[65536]; /* pixel value -> green */ + GLubyte pixel_to_b[65536]; /* pixel value -> blue */ + + /* Used to do XAllocColor/XFreeColors accounting: */ + int num_alloced; +#if defined(XFree86Server) + Pixel alloced_colors[256]; +#else + unsigned long alloced_colors[256]; +#endif + +#if defined( FX ) + /* For 3Dfx Glide only */ + GLboolean FXisHackUsable; /* Can we render into window? */ + GLboolean FXwindowHack; /* Are we rendering into a window? */ + fxMesaContext FXctx; +#endif + + struct xmesa_buffer *Next; /* Linked list pointer: */ +}; + + +/* Values for xmesa->db_state: */ +#define FRONT_PIXMAP 1 +#define BACK_PIXMAP 2 +#define BACK_XIMAGE 4 + + +/* + * If pixelformat==PF_TRUECOLOR: + */ +#define PACK_TRUECOLOR( PIXEL, R, G, B ) \ + PIXEL = xmesa->xm_visual->RtoPixel[R] \ + | xmesa->xm_visual->GtoPixel[G] \ + | xmesa->xm_visual->BtoPixel[B]; \ + + +/* + * If pixelformat==PF_TRUEDITHER: + */ +#define PACK_TRUEDITHER( PIXEL, X, Y, R, G, B ) \ +{ \ + int d = xmesa->xm_visual->Kernel[((X)&3) | (((Y)&3)<<2)]; \ + PIXEL = xmesa->xm_visual->RtoPixel[(R)+d] \ + | xmesa->xm_visual->GtoPixel[(G)+d] \ + | xmesa->xm_visual->BtoPixel[(B)+d]; \ +} + + + +/* + * If pixelformat==PF_8A8B8G8R: + */ +#define PACK_8A8B8G8R( R, G, B, A ) \ + ( ((A) << 24) | ((B) << 16) | ((G) << 8) | (R) ) + + +/* + * Like PACK_8A8B8G8R() but don't use alpha. This is usually an acceptable + * shortcut. + */ +#define PACK_8B8G8R( R, G, B ) ( ((B) << 16) | ((G) << 8) | (R) ) + + + +/* + * If pixelformat==PF_8R8G8B: + */ +#define PACK_8R8G8B( R, G, B) ( ((R) << 16) | ((G) << 8) | (B) ) + + +/* + * If pixelformat==PF_5R6G5B: + */ +#define PACK_5R6G5B( R, G, B) ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) ) + + +/* + * If pixelformat==PF_8A8R8G8B: + */ +#define PACK_8A8R8G8B( R, G, B, A ) \ + ( ((A) << 24) | ((R) << 16) | ((G) << 8) | (B) ) + + + +/* + * If pixelformat==PF_DITHER: + * + * Improved 8-bit RGB dithering code contributed by Bob Mercier + * (mercier@hollywood.cinenet.net). Thanks Bob! + */ +#ifdef DITHER666 +# define DITH_R 6 +# define DITH_G 6 +# define DITH_B 6 +# define DITH_MIX(r,g,b) (((r) * DITH_G + (g)) * DITH_B + (b)) +#else +# define DITH_R 5 +# define DITH_G 9 +# define DITH_B 5 +# define DITH_MIX(r,g,b) (((g) << 6) | ((b) << 3) | (r)) +#endif +#define DITH_DX 4 +#define DITH_DY 4 +#define DITH_N (DITH_DX * DITH_DY) + +#define _dither(C, c, d) (((unsigned)((DITH_N * (C - 1) + 1) * c + d)) >> 12) + +#define MAXC 256 +extern const int xmesa_kernel8[DITH_DY * DITH_DX]; + +/* Dither for random X,Y */ +#define DITHER_SETUP \ + int __d; \ + unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; + +#define DITHER( X, Y, R, G, B ) \ + (__d = xmesa_kernel8[(((Y)&3)<<2) | ((X)&3)], \ + ctable[DITH_MIX(_dither(DITH_R, (R), __d), \ + _dither(DITH_G, (G), __d), \ + _dither(DITH_B, (B), __d))]) + +/* Dither for random X, fixed Y */ +#define XDITHER_SETUP(Y) \ + int __d; \ + unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; \ + const int *kernel = &xmesa_kernel8[ ((Y)&3) << 2 ]; + +#define XDITHER( X, R, G, B ) \ + (__d = kernel[(X)&3], \ + ctable[DITH_MIX(_dither(DITH_R, (R), __d), \ + _dither(DITH_G, (G), __d), \ + _dither(DITH_B, (B), __d))]) + + + +/* + * Dithering for flat-shaded triangles. Precompute all 16 possible + * pixel values given the triangle's RGB color. Contributed by Martin Shenk. + */ +#define FLAT_DITHER_SETUP( R, G, B ) \ + GLushort ditherValues[16]; \ + { \ + unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; \ + int msdr = (DITH_N*((DITH_R)-1)+1) * (R); \ + int msdg = (DITH_N*((DITH_G)-1)+1) * (G); \ + int msdb = (DITH_N*((DITH_B)-1)+1) * (B); \ + int i; \ + for (i=0;i<16;i++) { \ + int k = xmesa_kernel8[i]; \ + int j = DITH_MIX( (msdr+k)>>12, (msdg+k)>>12, (msdb+k)>>12 );\ + ditherValues[i] = (GLushort) ctable[j]; \ + } \ + } + +#define FLAT_DITHER_ROW_SETUP(Y) \ + GLushort *ditherRow = ditherValues + ( ((Y)&3) << 2); + +#define FLAT_DITHER(X) ditherRow[(X)&3] + + + +/* + * If pixelformat==PF_LOOKUP: + */ +#define _dither_lookup(C, c) (((unsigned)((DITH_N * (C - 1) + 1) * c)) >> 12) + +#define LOOKUP_SETUP \ + unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table + +#define LOOKUP( R, G, B ) \ + ctable[DITH_MIX(_dither_lookup(DITH_R, (R)), \ + _dither_lookup(DITH_G, (G)), \ + _dither_lookup(DITH_B, (B)))] + + + +/* + * If pixelformat==PF_HPCR: + * + * HP Color Recovery dithering (ad@lms.be 30/08/95) + * HP has on it's 8-bit 700-series computers, a feature called + * 'Color Recovery'. This allows near 24-bit output (so they say). + * It is enabled by selecting the 8-bit TrueColor visual AND + * corresponding colormap (see tkInitWindow) AND doing some special + * dither. + */ +extern const short xmesa_HPCR_DRGB[3][2][16]; + +#define DITHER_HPCR( X, Y, R, G, B ) \ + ( ((xmesa->xm_visual->hpcr_rgbTbl[0][R] + xmesa_HPCR_DRGB[0][(Y)&1][(X)&15]) & 0xE0) \ + |(((xmesa->xm_visual->hpcr_rgbTbl[1][G] + xmesa_HPCR_DRGB[1][(Y)&1][(X)&15]) & 0xE0)>>3) \ + | ((xmesa->xm_visual->hpcr_rgbTbl[2][B] + xmesa_HPCR_DRGB[2][(Y)&1][(X)&15])>>6) \ + ) + + + +/* + * If pixelformat==PF_1BIT: + */ +extern const int xmesa_kernel1[16]; + +#define SETUP_1BIT int bitFlip = xmesa->xm_visual->bitFlip +#define DITHER_1BIT( X, Y, R, G, B ) \ + (( ((int)(R)+(int)(G)+(int)(B)) > xmesa_kernel1[(((Y)&3) << 2) | ((X)&3)] ) ^ bitFlip) + + + +/* + * If pixelformat==PF_GRAYSCALE: + */ +#define GRAY_RGB( R, G, B ) XMESA_BUFFER(ctx->DrawBuffer)->color_table[((R) + (G) + (B))/3] + + + +/* + * Converts a GL window Y coord to an X window Y coord: + */ +#define YFLIP(XRB, Y) ((XRB)->bottom - (Y)) + + +/* + * Return the address of a 1, 2 or 4-byte pixel in the buffer's XImage: + * X==0 is left, Y==0 is bottom. + */ +#define PIXEL_ADDR1(XRB, X, Y) \ + ( (XRB)->origin1 - (Y) * (XRB)->width1 + (X) ) + +#define PIXEL_ADDR2(XRB, X, Y) \ + ( (XRB)->origin2 - (Y) * (XRB)->width2 + (X) ) + +#define PIXEL_ADDR3(XRB, X, Y) \ + ( (bgr_t *) ( (XRB)->origin3 - (Y) * (XRB)->width3 + 3 * (X) )) + +#define PIXEL_ADDR4(XRB, X, Y) \ + ( (XRB)->origin4 - (Y) * (XRB)->width4 + (X) ) + + + + +/* + * Return pointer to XMesaContext corresponding to a Mesa GLcontext. + * Since we're using structure containment, it's just a cast!. + */ +#define XMESA_CONTEXT(MESACTX) ((XMesaContext) (MESACTX)) + +/* + * Return pointer to XMesaBuffer corresponding to a Mesa GLframebuffer. + * Since we're using structure containment, it's just a cast!. + */ +#define XMESA_BUFFER(MESABUFF) ((XMesaBuffer) (MESABUFF)) + + + +/* + * External functions: + */ + +extern struct xmesa_renderbuffer * +xmesa_new_renderbuffer(GLcontext *ctx, GLuint name, GLboolean rgbMode); + +extern unsigned long +xmesa_color_to_pixel( GLcontext *ctx, + GLubyte r, GLubyte g, GLubyte b, GLubyte a, + GLuint pixelFormat ); + +extern void +xmesa_alloc_back_buffer(XMesaBuffer b, GLuint width, GLuint height); + +extern void xmesa_resize_buffers(GLcontext *ctx, GLframebuffer *buffer, + GLuint width, GLuint height); + +extern void xmesa_init_driver_functions( XMesaVisual xmvisual, + struct dd_function_table *driver ); + +extern void xmesa_update_state( GLcontext *ctx, GLuint new_state ); + +extern void +xmesa_set_renderbuffer_funcs(struct xmesa_renderbuffer *xrb, + enum pixel_format pixelformat, GLint depth); + + +/* Plugged into the software rasterizer. Try to use internal + * swrast-style point, line and triangle functions. + */ +extern void xmesa_choose_point( GLcontext *ctx ); +extern void xmesa_choose_line( GLcontext *ctx ); +extern void xmesa_choose_triangle( GLcontext *ctx ); + + +extern void xmesa_register_swrast_functions( GLcontext *ctx ); + + + +/* XXX this is a hack to implement shared display lists with 3Dfx */ +extern XMesaBuffer XMesaCreateWindowBuffer2( XMesaVisual v, + XMesaWindow w, + XMesaContext c ); + +/* + * These are the extra routines required for integration with XFree86. + * None of these routines should be user visible. -KEM + */ +extern void XMesaSetVisualDisplay( XMesaDisplay *dpy, XMesaVisual v ); +extern GLboolean XMesaForceCurrent(XMesaContext c); +extern GLboolean XMesaLoseCurrent(XMesaContext c); +extern void XMesaReset( void ); + + +#define SWTC 0 /* SW texture compression */ + + +#endif |