diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.c | 626 |
1 files changed, 0 insertions, 626 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.c deleted file mode 100644 index 45fcbd2e3..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.c +++ /dev/null @@ -1,626 +0,0 @@ -/************************************************************************** - * - * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * **************************************************************************/ -/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_context.c,v 1.9 2003/02/06 04:18:00 dawes Exp $ */ - -/** - * \file i830_context.c - * - * Heavily Based on I810 driver written by Keith Whitwell. - * - * \author Jeff Hartmann <jhartmann@2d3d.com> - * \author Graeme Fisher <graeme@2d3d.co.za> - * \author Abraham vd Merwe <abraham@2d3d.co.za> - * \author Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "glheader.h" -#include "context.h" -#include "matrix.h" -#include "simple_list.h" -#include "extensions.h" -#include "framebuffer.h" -#include "imports.h" - -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "array_cache/acache.h" - -#include "tnl/t_pipeline.h" - -#include "drivers/common/driverfuncs.h" - -#include "i830_screen.h" -#include "i830_dri.h" - -#include "i830_state.h" -#include "i830_tex.h" -#include "i830_span.h" -#include "i830_tris.h" -#include "i830_ioctl.h" - - -#include "utils.h" - -#define need_GL_ARB_multisample -#define need_GL_ARB_texture_compression -#define need_GL_EXT_blend_color -#define need_GL_EXT_blend_equation_separate -#define need_GL_EXT_blend_func_separate -#define need_GL_EXT_blend_minmax -#define need_GL_EXT_fog_coord -#define need_GL_EXT_secondary_color -#include "extension_helper.h" - -#include "xmlpool.h" /* for symbolic values of enum-type options */ -#ifndef I830_DEBUG -int I830_DEBUG = (0); -#endif - -/*************************************** - * Mesa's Driver Functions - ***************************************/ - -#define DRIVER_DATE "20041007" - - -static const GLubyte *i830DDGetString( GLcontext *ctx, GLenum name ) -{ - const char * chipset; - static char buffer[128]; - - switch (name) { - case GL_VENDOR: - switch (I830_CONTEXT(ctx)->i830Screen->deviceID) { - case PCI_CHIP_845_G: - return (GLubyte *)"2d3D, Inc"; - - case PCI_CHIP_I830_M: - return (GLubyte *)"VA Linux, Inc"; - - case PCI_CHIP_I855_GM: - case PCI_CHIP_I865_G: - default: - return (GLubyte *)"Tungsten Graphics, Inc"; - } - break; - - case GL_RENDERER: - switch (I830_CONTEXT(ctx)->i830Screen->deviceID) { - case PCI_CHIP_845_G: - chipset = "Intel(R) 845G"; break; - case PCI_CHIP_I830_M: - chipset = "Intel(R) 830M"; break; - case PCI_CHIP_I855_GM: - chipset = "Intel(R) 852GM/855GM"; break; - case PCI_CHIP_I865_G: - chipset = "Intel(R) 865G"; break; - default: - chipset = "Unknown Intel Chipset"; break; - } - - (void) driGetRendererString( buffer, chipset, DRIVER_DATE, 0 ); - return (GLubyte *) buffer; - - default: - return NULL; - } -} - -static void i830BufferSize(GLframebuffer *buffer, - GLuint *width, GLuint *height) -{ - GET_CURRENT_CONTEXT(ctx); - i830ContextPtr imesa = I830_CONTEXT(ctx); - /* Need to lock to make sure the driDrawable is uptodate. This - * information is used to resize Mesa's software buffers, so it has - * to be correct. - */ - LOCK_HARDWARE(imesa); - *width = imesa->driDrawable->w; - *height = imesa->driDrawable->h; - UNLOCK_HARDWARE(imesa); -} - - -/* Extension strings exported by the i830 driver. - */ -const struct dri_extension card_extensions[] = -{ - { "GL_ARB_multisample", GL_ARB_multisample_functions }, - { "GL_ARB_multitexture", NULL }, - { "GL_ARB_texture_border_clamp", NULL }, - { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, - { "GL_ARB_texture_env_add", NULL }, - { "GL_ARB_texture_env_combine", NULL }, - { "GL_ARB_texture_env_crossbar", NULL }, - { "GL_ARB_texture_env_dot3", NULL }, - { "GL_ARB_texture_mirrored_repeat", NULL }, - { "GL_EXT_blend_color", GL_EXT_blend_color_functions }, - { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, - { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, - { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, - { "GL_EXT_blend_subtract", NULL }, - { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, - { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, - { "GL_EXT_stencil_wrap", NULL }, - { "GL_EXT_texture_edge_clamp", NULL }, - { "GL_EXT_texture_env_combine", NULL }, - { "GL_EXT_texture_env_dot3", NULL }, - { "GL_EXT_texture_filter_anisotropic", NULL }, - { "GL_EXT_texture_lod_bias", NULL }, - { "GL_EXT_texture_rectangle", NULL }, - { "GL_MESA_ycbcr_texture", NULL }, - { "GL_NV_blend_square", NULL }, - { "GL_SGIS_generate_mipmap", NULL }, - { NULL, NULL } -}; - - -extern const struct tnl_pipeline_stage _i830_render_stage; - -static const struct tnl_pipeline_stage *i830_pipeline[] = { - &_tnl_vertex_transform_stage, - &_tnl_normal_transform_stage, - &_tnl_lighting_stage, - &_tnl_fog_coordinate_stage, - &_tnl_texgen_stage, - &_tnl_texture_transform_stage, - /* REMOVE: point attenuation stage */ -#if 1 - &_i830_render_stage, /* ADD: unclipped rastersetup-to-dma */ -#endif - &_tnl_render_stage, - 0, -}; - - -static const struct dri_debug_control debug_control[] = -{ - { "fall", DEBUG_FALLBACKS }, - { "tex", DEBUG_TEXTURE }, - { "ioctl", DEBUG_IOCTL }, - { "prim", DEBUG_PRIMS }, - { "vert", DEBUG_VERTS }, - { "state", DEBUG_STATE }, - { "verb", DEBUG_VERBOSE }, - { "dri", DEBUG_DRI }, - { "dma", DEBUG_DMA }, - { "san", DEBUG_SANITY }, - { "sync", DEBUG_SYNC }, - { "sleep", DEBUG_SLEEP }, - { NULL, 0 } -}; - - -GLboolean i830CreateContext( const __GLcontextModes *mesaVis, - __DRIcontextPrivate *driContextPriv, - void *sharedContextPrivate) -{ - GLcontext *ctx , *shareCtx; - i830ContextPtr imesa; - __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; - i830ScreenPrivate *screen = (i830ScreenPrivate *)sPriv->private; - I830SAREAPtr saPriv=(I830SAREAPtr) - (((GLubyte *)sPriv->pSAREA)+screen->sarea_priv_offset); - struct dd_function_table functions; - - /* Allocate i830 context */ - imesa = (i830ContextPtr) CALLOC_STRUCT(i830_context_t); - if (!imesa) - return GL_FALSE; - - /* Init default driver functions then plug in our I830-specific functions - * (the texture functions are especially important) - */ - _mesa_init_driver_functions(&functions); - i830InitIoctlFuncs(&functions); - i830InitTextureFuncs(&functions); - - /* Allocate the Mesa context */ - if (sharedContextPrivate) - shareCtx = ((i830ContextPtr) sharedContextPrivate)->glCtx; - else - shareCtx = NULL; - imesa->glCtx = _mesa_create_context(mesaVis, shareCtx, - &functions, (void*) imesa); - if (!imesa->glCtx) { - FREE(imesa); - return GL_FALSE; - } - driContextPriv->driverPrivate = imesa; - - - imesa->i830Screen = screen; - imesa->driScreen = sPriv; - imesa->sarea = saPriv; - imesa->glBuffer = NULL; - - driParseConfigFiles (&imesa->optionCache, &screen->optionCache, - screen->driScrnPriv->myNum, "i830"); - - (void) memset( imesa->texture_heaps, 0, sizeof( imesa->texture_heaps ) ); - make_empty_list( & imesa->swapped ); - - imesa->nr_heaps = 1; - imesa->texture_heaps[0] = driCreateTextureHeap( 0, imesa, - screen->textureSize, - 12, - I830_NR_TEX_REGIONS, - imesa->sarea->texList, - (unsigned *) & imesa->sarea->texAge, /* XXX shouldn't need cast! */ - & imesa->swapped, - sizeof( struct i830_texture_object_t ), - (destroy_texture_object_t *) i830DestroyTexObj ); - - /* Set the maximum texture size small enough that we can guarantee - * that every texture unit can bind a maximal texture and have them - * in memory at once. - */ - - ctx = imesa->glCtx; - ctx->Const.MaxTextureUnits = driQueryOptioni(&imesa->optionCache, - "texture_units"); - ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits; - ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; - - /* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are tightly - * FIXME: packed, but they're not in Intel graphics hardware. - */ - driCalculateMaxTextureLevels( imesa->texture_heaps, - imesa->nr_heaps, - & ctx->Const, - 4, - 11, /* max 2D texture size is 2048x2048 */ - 0, /* 3D textures unsupported */ - 0, /* cube textures unsupported. */ - 0, /* texture rectangles unsupported. */ - 12, - GL_FALSE ); - - ctx->Const.MaxTextureMaxAnisotropy = 2.0; - - ctx->Const.MinLineWidth = 1.0; - ctx->Const.MinLineWidthAA = 1.0; - ctx->Const.MaxLineWidth = 3.0; - ctx->Const.MaxLineWidthAA = 3.0; - ctx->Const.LineWidthGranularity = 1.0; - - ctx->Const.MinPointSize = 1.0; - ctx->Const.MinPointSizeAA = 1.0; - ctx->Const.MaxPointSize = 255.0; - ctx->Const.MaxPointSizeAA = 3.0; - ctx->Const.PointSizeGranularity = 1.0; - - ctx->Driver.GetBufferSize = i830BufferSize; - ctx->Driver.ResizeBuffers = _mesa_resize_framebuffer; - ctx->Driver.GetString = i830DDGetString; - - /* Who owns who? */ - ctx->DriverCtx = (void *) imesa; - imesa->glCtx = ctx; - - /* Initialize the software rasterizer and helper modules. */ - _swrast_CreateContext( ctx ); - _ac_CreateContext( ctx ); - _tnl_CreateContext( ctx ); - _swsetup_CreateContext( ctx ); - - /* Install the customized pipeline: */ - _tnl_destroy_pipeline( ctx ); - _tnl_install_pipeline( ctx, i830_pipeline ); - - /* Configure swrast and T&L to match hardware characteristics: */ - _swrast_allow_pixel_fog( ctx, GL_FALSE ); - _swrast_allow_vertex_fog( ctx, GL_TRUE ); - _tnl_allow_pixel_fog( ctx, GL_FALSE ); - _tnl_allow_vertex_fog( ctx, GL_TRUE ); - - /* Dri stuff */ - imesa->hHWContext = driContextPriv->hHWContext; - imesa->driFd = sPriv->fd; - /* drmLock ptr = &drm_hw_lock_t */ - imesa->driHwLock = (drmLock *) &sPriv->pSAREA->lock; - imesa->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; - - switch(mesaVis->depthBits) { - case 16: - imesa->depth_scale = 1.0/0xffff; - imesa->depth_clear_mask = ~0; - imesa->ClearDepth = 0xffff; - break; - case 24: - imesa->depth_scale = 1.0/0xffffff; - imesa->depth_clear_mask = 0x00ffffff; - imesa->stencil_clear_mask = 0xff000000; - imesa->ClearDepth = 0x00ffffff; - break; - case 32: /* Not supported */ - default: - break; - } - /* Completely disable stenciling for now, there are some serious issues - * with stencil. - */ -#if 0 - imesa->hw_stencil = 0; -#endif - - imesa->RenderIndex = ~0; - imesa->dirty = ~0; - imesa->upload_cliprects = GL_TRUE; - - imesa->CurrentTexObj[0] = 0; - imesa->CurrentTexObj[1] = 0; - - imesa->do_irqs = (imesa->i830Screen->irq_active && - !getenv("I830_NO_IRQS")); - - _math_matrix_ctr (&imesa->ViewportMatrix); - - driInitExtensions( ctx, card_extensions, GL_TRUE ); - - if (imesa->glCtx->Mesa_DXTn) { - _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); - _mesa_enable_extension( ctx, "GL_S3_s3tc" ); - } - else if (driQueryOptionb (&imesa->optionCache, "force_s3tc_enable")) { - _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); - } - - _mesa_enable_extension( ctx, "GL_3DFX_texture_compression_FXT1" ); - - /* XXX these should really go right after _mesa_init_driver_functions() */ - i830DDInitStateFuncs( ctx ); - i830InitTriFuncs (ctx); - i830DDInitSpanFuncs( ctx ); - i830DDInitState (ctx); - -#if DO_DEBUG - I830_DEBUG = driParseDebugString( getenv( "I830_DEBUG" ), - debug_control ); - I830_DEBUG |= driParseDebugString( getenv( "INTEL_DEBUG" ), - debug_control ); -#endif - - if (getenv("I830_NO_RAST") || - getenv("INTEL_NO_RAST")) { - fprintf(stderr, "disabling 3D rasterization\n"); - FALLBACK(imesa, I830_FALLBACK_USER, 1); - } - - return GL_TRUE; -} - -void i830DestroyContext(__DRIcontextPrivate *driContextPriv) -{ - i830ContextPtr imesa = (i830ContextPtr) driContextPriv->driverPrivate; - - assert(imesa); /* should never be null */ - if (imesa) { - GLboolean release_texture_heaps; - - - release_texture_heaps = (imesa->glCtx->Shared->RefCount == 1); - _swsetup_DestroyContext (imesa->glCtx); - _tnl_DestroyContext (imesa->glCtx); - _ac_DestroyContext (imesa->glCtx); - _swrast_DestroyContext (imesa->glCtx); - - /* free the Mesa context */ - imesa->glCtx->DriverCtx = NULL; - _mesa_destroy_context(imesa->glCtx); - - if ( release_texture_heaps ) { - /* This share group is about to go away, free our private - * texture object data. - */ - int i; - - for ( i = 0 ; i < imesa->nr_heaps ; i++ ) { - driDestroyTextureHeap( imesa->texture_heaps[ i ] ); - imesa->texture_heaps[ i ] = NULL; - } - - assert( is_empty_list( & imesa->swapped ) ); - } - - FREE(imesa); - } -} - -void i830XMesaSetFrontClipRects( i830ContextPtr imesa ) -{ - __DRIdrawablePrivate *dPriv = imesa->driDrawable; - - imesa->numClipRects = dPriv->numClipRects; - imesa->pClipRects = dPriv->pClipRects; - imesa->drawX = dPriv->x; - imesa->drawY = dPriv->y; - - i830EmitDrawingRectangle( imesa ); - imesa->upload_cliprects = GL_TRUE; -} - -void i830XMesaSetBackClipRects( i830ContextPtr imesa ) -{ - __DRIdrawablePrivate *dPriv = imesa->driDrawable; - - if (imesa->sarea->pf_enabled == 0 && dPriv->numBackClipRects == 0) { - imesa->numClipRects = dPriv->numClipRects; - imesa->pClipRects = dPriv->pClipRects; - imesa->drawX = dPriv->x; - imesa->drawY = dPriv->y; - } else { - imesa->numClipRects = dPriv->numBackClipRects; - imesa->pClipRects = dPriv->pBackClipRects; - imesa->drawX = dPriv->backX; - imesa->drawY = dPriv->backY; - } - - i830EmitDrawingRectangle( imesa ); - imesa->upload_cliprects = GL_TRUE; -} - -static void i830XMesaWindowMoved( i830ContextPtr imesa ) -{ - switch (imesa->glCtx->DrawBuffer->_ColorDrawBufferMask[0]) { - case BUFFER_BIT_FRONT_LEFT: - i830XMesaSetFrontClipRects( imesa ); - break; - case BUFFER_BIT_BACK_LEFT: - i830XMesaSetBackClipRects( imesa ); - break; - default: - /* glDrawBuffer(GL_NONE or GL_FRONT_AND_BACK): software fallback */ - i830XMesaSetFrontClipRects( imesa ); - } -} - -GLboolean i830UnbindContext(__DRIcontextPrivate *driContextPriv) -{ - i830ContextPtr imesa = (i830ContextPtr) driContextPriv->driverPrivate; - unsigned i; - - if (imesa) { - /* Might want to change this so texblend isn't always updated */ - imesa->dirty |= (I830_UPLOAD_CTX | - I830_UPLOAD_BUFFERS | - I830_UPLOAD_STIPPLE | - I830_UPLOAD_TEXBLEND0 | - I830_UPLOAD_TEXBLEND1 | - I830_UPLOAD_TEXBLEND2 | - I830_UPLOAD_TEXBLEND3); - - for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) { - if (imesa->CurrentTexObj[i]) imesa->dirty |= I830_UPLOAD_TEX_N( i ); - } - } - return GL_TRUE; -} - -GLboolean i830MakeCurrent(__DRIcontextPrivate *driContextPriv, - __DRIdrawablePrivate *driDrawPriv, - __DRIdrawablePrivate *driReadPriv) -{ - - if (driContextPriv) { - i830ContextPtr imesa = (i830ContextPtr) driContextPriv->driverPrivate; - - if ( imesa->driDrawable != driDrawPriv ) { - imesa->driDrawable = driDrawPriv; - i830XMesaWindowMoved( imesa ); - imesa->mesa_drawable = driDrawPriv; - } - - imesa->driReadable = driReadPriv; - - _mesa_make_current(imesa->glCtx, - (GLframebuffer *) driDrawPriv->driverPrivate, - (GLframebuffer *) driReadPriv->driverPrivate); - } else { - _mesa_make_current(NULL, NULL, NULL); - } - - return GL_TRUE; -} - -void i830GetLock( i830ContextPtr imesa, GLuint flags ) -{ - __DRIdrawablePrivate *dPriv = imesa->driDrawable; - __DRIscreenPrivate *sPriv = imesa->driScreen; - I830SAREAPtr sarea = imesa->sarea; - int me = imesa->hHWContext; - unsigned i; - - drmGetLock(imesa->driFd, imesa->hHWContext, flags); - - /* If the window moved, may need to set a new cliprect now. - * - * NOTE: This releases and regains the hw lock, so all state - * checking must be done *after* this call: - */ - DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv); - - /* If we lost context, need to dump all registers to hardware. - * Note that we don't care about 2d contexts, even if they perform - * accelerated commands, so the DRI locking in the X server is even - * more broken than usual. - */ - - if (sarea->ctxOwner != me) { - imesa->upload_cliprects = GL_TRUE; - imesa->dirty |= (I830_UPLOAD_CTX | - I830_UPLOAD_BUFFERS | - I830_UPLOAD_STIPPLE); - - for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) { - if(imesa->CurrentTexObj[i]) imesa->dirty |= I830_UPLOAD_TEX_N( i ); - if(imesa->TexBlendWordsUsed[i]) imesa->dirty |= I830_UPLOAD_TEXBLEND_N( i ); - } - - sarea->perf_boxes = imesa->perf_boxes | I830_BOX_LOST_CONTEXT; - sarea->ctxOwner = me; - } - - /* Shared texture managment - if another client has played with - * texture space, figure out which if any of our textures have been - * ejected, and update our global LRU. - */ - - for ( i = 0 ; i < imesa->nr_heaps ; i++ ) { - DRI_AGE_TEXTURES( imesa->texture_heaps[ i ] ); - } - - if (imesa->lastStamp != dPriv->lastStamp) { - i830XMesaWindowMoved( imesa ); - imesa->lastStamp = dPriv->lastStamp; - } - - sarea->last_quiescent = -1; /* just kill it for now */ -} - -void i830SwapBuffers( __DRIdrawablePrivate *dPriv ) -{ - if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { - i830ContextPtr imesa; - GLcontext *ctx; - imesa = (i830ContextPtr) dPriv->driContextPriv->driverPrivate; - ctx = imesa->glCtx; - if (ctx->Visual.doubleBufferMode) { - _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ - if ( 0 /*imesa->doPageFlip*/ ) { /* doPageFlip is never set !!! */ - i830PageFlip( dPriv ); - } else { - i830CopyBuffer( dPriv ); - } - } - } else { - /* XXX this shouldn't be an error but we can't handle it for now */ - _mesa_problem(NULL, "%s: drawable has no context!\n", __FUNCTION__); - } -} |