+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, 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 TUNGSTEN GRAPHICS 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.
- *
- **************************************************************************/
-
-
-#include "glheader.h"
-#include "context.h"
-#include "matrix.h"
-#include "simple_list.h"
-#include "extensions.h"
-#include "framebuffer.h"
-#include "imports.h"
-#include "points.h"
-
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "vbo/vbo.h"
-
-#include "tnl/t_pipeline.h"
-#include "tnl/t_vertex.h"
-
-#include "drivers/common/driverfuncs.h"
-
-#include "intel_screen.h"
-#include "intel_chipset.h"
-
-#include "i830_dri.h"
-#include "i830_common.h"
-
-#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
-#include "intel_blit.h"
-#include "intel_regions.h"
-#include "intel_buffer_objects.h"
-#include "intel_decode.h"
-#include "intel_bufmgr_ttm.h"
-
-#include "i915_drm.h"
-
-#include "utils.h"
-#include "vblank.h"
-#ifndef INTEL_DEBUG
-int INTEL_DEBUG = (0);
-#endif
-
-#define need_GL_NV_point_sprite
-#define need_GL_ARB_multisample
-#define need_GL_ARB_point_parameters
-#define need_GL_ARB_texture_compression
-#define need_GL_ARB_vertex_buffer_object
-#define need_GL_ARB_vertex_program
-#define need_GL_ARB_window_pos
-#define need_GL_ARB_occlusion_query
-#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_cull_vertex
-#define need_GL_EXT_fog_coord
-#define need_GL_EXT_multi_draw_arrays
-#define need_GL_EXT_secondary_color
-#define need_GL_EXT_point_parameters
-#define need_GL_VERSION_2_0
-#define need_GL_VERSION_2_1
-#define need_GL_ARB_shader_objects
-#define need_GL_ARB_vertex_shader
-
-#include "extension_helper.h"
-
-#ifndef VERBOSE
-int VERBOSE = 0;
-#endif
-
-/***************************************
- * Mesa's Driver Functions
- ***************************************/
-
-#define DRIVER_VERSION "4.1.3002"
-
-static const GLubyte *intelGetString( GLcontext *ctx, GLenum name )
-{
- const char * chipset;
- static char buffer[128];
-
- switch (name) {
- case GL_VENDOR:
- return (GLubyte *)"Tungsten Graphics, Inc";
- break;
-
- case GL_RENDERER:
- switch (intel_context(ctx)->intelScreen->deviceID) {
- case PCI_CHIP_I965_Q:
- chipset = "Intel(R) 965Q";
- break;
- case PCI_CHIP_I965_G:
- case PCI_CHIP_I965_G_1:
- chipset = "Intel(R) 965G";
- break;
- case PCI_CHIP_I946_GZ:
- chipset = "Intel(R) 946GZ";
- break;
- case PCI_CHIP_I965_GM:
- chipset = "Intel(R) 965GM";
- break;
- case PCI_CHIP_I965_GME:
- chipset = "Intel(R) 965GME/GLE";
- break;
- default:
- chipset = "Unknown Intel Chipset";
- }
-
- (void) driGetRendererString( buffer, chipset, DRIVER_VERSION, 0 );
- return (GLubyte *) buffer;
-
- default:
- return NULL;
- }
-}
-
-
-/**
- * Extension strings exported by the intel driver.
- *
- * \note
- * It appears that ARB_texture_env_crossbar has "disappeared" compared to the
- * old i830-specific driver.
- */
-const struct dri_extension card_extensions[] =
-{
- { "GL_ARB_multisample", GL_ARB_multisample_functions },
- { "GL_ARB_multitexture", NULL },
- { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions },
- { "GL_NV_point_sprite", GL_NV_point_sprite_functions },
- { "GL_ARB_texture_border_clamp", NULL },
- { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions },
- { "GL_ARB_texture_cube_map", NULL },
- { "GL_ARB_texture_env_add", NULL },
- { "GL_ARB_texture_env_combine", NULL },
- { "GL_ARB_texture_env_dot3", NULL },
- { "GL_ARB_texture_mirrored_repeat", NULL },
- { "GL_ARB_texture_non_power_of_two", NULL },
- { "GL_ARB_texture_rectangle", NULL },
- { "GL_NV_texture_rectangle", NULL },
- { "GL_EXT_texture_rectangle", NULL },
- { "GL_ARB_texture_rectangle", NULL },
- { "GL_ARB_point_sprite", NULL},
- { "GL_ARB_point_parameters", NULL },
- { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions },
- { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions },
- { "GL_ARB_window_pos", GL_ARB_window_pos_functions },
- { "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_logic_op", NULL },
- { "GL_EXT_blend_subtract", NULL },
- { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions },
- { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
- { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_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_sRGB", NULL },
- { "GL_3DFX_texture_compression_FXT1", NULL },
- { "GL_APPLE_client_storage", NULL },
- { "GL_MESA_pack_invert", NULL },
- { "GL_MESA_ycbcr_texture", NULL },
- { "GL_NV_blend_square", NULL },
- { "GL_SGIS_generate_mipmap", NULL },
- { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions},
- { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions},
- { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions},
- { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions},
- { "GL_ARB_fragment_shader", NULL },
- /* XXX not implement yet, to compile builtin glsl lib */
- { "GL_ARB_draw_buffers", NULL },
- { NULL, NULL }
-};
-
-const struct dri_extension arb_oc_extension =
- { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions};
-
-void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging)
-{
- struct intel_context *intel = ctx?intel_context(ctx):NULL;
- driInitExtensions(ctx, card_extensions, enable_imaging);
- if (!ctx || intel->intelScreen->drmMinor >= 8)
- driInitSingleExtension (ctx, &arb_oc_extension);
-}
-
-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 },
- { "pix", DEBUG_PIXEL },
- { "buf", DEBUG_BUFMGR },
- { "stats", DEBUG_STATS },
- { "tile", DEBUG_TILE },
- { "sing", DEBUG_SINGLE_THREAD },
- { "thre", DEBUG_SINGLE_THREAD },
- { "wm", DEBUG_WM },
- { "vs", DEBUG_VS },
- { "bat", DEBUG_BATCH },
- { "blit", DEBUG_BLIT},
- { "mip", DEBUG_MIPTREE},
- { "reg", DEBUG_REGION},
- { NULL, 0 }
-};
-
-
-static void intelInvalidateState( GLcontext *ctx, GLuint new_state )
-{
- struct intel_context *intel = intel_context(ctx);
-
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _vbo_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
- _tnl_invalidate_vertex_state( ctx, new_state );
-
- intel->NewGLState |= new_state;
-
- if (intel->vtbl.invalidate_state)
- intel->vtbl.invalidate_state( intel, new_state );
-}
-
-
-void intelFlush( GLcontext *ctx )
-{
- struct intel_context *intel = intel_context( ctx );
-
- if (intel->batch->map != intel->batch->ptr)
- intel_batchbuffer_flush(intel->batch);
-}
-
-void intelFinish( GLcontext *ctx )
-{
- struct intel_context *intel = intel_context( ctx );
-
- intelFlush(ctx);
- if (intel->batch->last_fence) {
- dri_fence_wait(intel->batch->last_fence);
- dri_fence_unreference(intel->batch->last_fence);
- intel->batch->last_fence = NULL;
- }
-}
-
-static void
-intelBeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
-{
- struct intel_context *intel = intel_context( ctx );
- drmI830MMIO io = {
- .read_write = MMIO_READ,
- .reg = MMIO_REGS_PS_DEPTH_COUNT,
- .data = &q->Result
- };
- intel->stats_wm++;
- intelFinish(&intel->ctx);
- drmCommandWrite(intel->driFd, DRM_I830_MMIO, &io, sizeof(io));
-}
-
-static void
-intelEndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
-{
- struct intel_context *intel = intel_context( ctx );
- GLuint64EXT tmp;
- drmI830MMIO io = {
- .read_write = MMIO_READ,
- .reg = MMIO_REGS_PS_DEPTH_COUNT,
- .data = &tmp
- };
- intelFinish(&intel->ctx);
- drmCommandWrite(intel->driFd, DRM_I830_MMIO, &io, sizeof(io));
- q->Result = tmp - q->Result;
- q->Ready = GL_TRUE;
- intel->stats_wm--;
-}
-
-/** Driver-specific fence emit implementation for the fake memory manager. */
-static unsigned int
-intel_fence_emit(void *private)
-{
- struct intel_context *intel = (struct intel_context *)private;
- unsigned int fence;
-
- /* XXX: Need to emit a flush, if we haven't already (at least with the
- * current batchbuffer implementation, we have).
- */
-
- fence = intelEmitIrqLocked(intel);
-
- return fence;
-}
-
-/** Driver-specific fence wait implementation for the fake memory manager. */
-static int
-intel_fence_wait(void *private, unsigned int cookie)
-{
- struct intel_context *intel = (struct intel_context *)private;
-
- intelWaitIrq(intel, cookie);
-
- return 0;
-}
-
-static GLboolean
-intel_init_bufmgr(struct intel_context *intel)
-{
- intelScreenPrivate *intelScreen = intel->intelScreen;
- GLboolean ttm_disable = getenv("INTEL_NO_TTM") != NULL;
-
- /* If we've got a new enough DDX that's initializing TTM and giving us
- * object handles for the shared buffers, use that.
- */
- intel->ttm = GL_FALSE;
- if (!ttm_disable &&
- intel->intelScreen->driScrnPriv->ddx_version.minor >= 9 &&
- intel->intelScreen->drmMinor >= 11 &&
- intel->intelScreen->front.bo_handle != -1)
- {
- intel->bufmgr = intel_bufmgr_ttm_init(intel->driFd,
- DRM_FENCE_TYPE_EXE,
- DRM_FENCE_TYPE_EXE |
- DRM_I915_FENCE_TYPE_RW,
- BATCH_SZ);
- if (intel->bufmgr != NULL)
- intel->ttm = GL_TRUE;
- }
- /* Otherwise, use the classic buffer manager. */
- if (intel->bufmgr == NULL) {
- if (ttm_disable) {
- fprintf(stderr, "TTM buffer manager disabled. Using classic.\n");
- } else {
- fprintf(stderr, "Failed to initialize TTM buffer manager. "
- "Falling back to classic.\n");
- }
-
- if (intelScreen->tex.size == 0) {
- fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
- __func__, __LINE__);
- return GL_FALSE;
- }
-
- intel->bufmgr = dri_bufmgr_fake_init(intelScreen->tex.offset,
- intelScreen->tex.map,
- intelScreen->tex.size,
- intel_fence_emit,
- intel_fence_wait,
- intel);
- }
-
- return GL_TRUE;
-}
-
-
-void intelInitDriverFunctions( struct dd_function_table *functions )
-{
- _mesa_init_driver_functions( functions );
-
- functions->Flush = intelFlush;
- functions->Finish = intelFinish;
- functions->GetString = intelGetString;
- functions->UpdateState = intelInvalidateState;
- functions->BeginQuery = intelBeginQuery;
- functions->EndQuery = intelEndQuery;
-
- /* CopyPixels can be accelerated even with the current memory
- * manager:
- */
- if (!getenv("INTEL_NO_BLIT")) {
- functions->CopyPixels = intelCopyPixels;
- functions->Bitmap = intelBitmap;
- }
-
- intelInitTextureFuncs( functions );
- intelInitStateFuncs( functions );
- intelInitBufferFuncs( functions );
-}
-
-GLboolean intelInitContext( struct intel_context *intel,
- const __GLcontextModes *mesaVis,
- __DRIcontextPrivate *driContextPriv,
- void *sharedContextPrivate,
- struct dd_function_table *functions )
-{
- GLcontext *ctx = &intel->ctx;
- GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
- __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
- intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
- volatile drmI830Sarea *saPriv = (drmI830Sarea *)
- (((GLubyte *)sPriv->pSAREA)+intelScreen->sarea_priv_offset);
-
- if (!_mesa_initialize_context(&intel->ctx,
- mesaVis, shareCtx,
- functions,
- (void*) intel)) {
- _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- driContextPriv->driverPrivate = intel;
- intel->intelScreen = intelScreen;
- intel->driScreen = sPriv;
- intel->sarea = saPriv;
-
- /* Dri stuff */
- intel->hHWContext = driContextPriv->hHWContext;
- intel->driFd = sPriv->fd;
- intel->driHwLock = (drmLock *) &sPriv->pSAREA->lock;
-
- intel->maxBatchSize = BATCH_SZ;
-
- if (!intel_init_bufmgr(intel))
- return GL_FALSE;
-
- driParseConfigFiles (&intel->optionCache, &intelScreen->optionCache,
- intel->driScreen->myNum, "i965");
-
- ctx->Const.MaxTextureMaxAnisotropy = 2.0;
-
- if (getenv("INTEL_STRICT_CONFORMANCE")) {
- intel->strict_conformance = 1;
- }
-
- if (intel->strict_conformance) {
- ctx->Const.MinLineWidth = 1.0;
- ctx->Const.MinLineWidthAA = 1.0;
- ctx->Const.MaxLineWidth = 1.0;
- ctx->Const.MaxLineWidthAA = 1.0;
- ctx->Const.LineWidthGranularity = 1.0;
- }
- else {
- ctx->Const.MinLineWidth = 1.0;
- ctx->Const.MinLineWidthAA = 1.0;
- ctx->Const.MaxLineWidth = 5.0;
- ctx->Const.MaxLineWidthAA = 5.0;
- ctx->Const.LineWidthGranularity = 0.5;
- }
-
- 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;
-
- /* reinitialize the context point state.
- * It depend on constants in __GLcontextRec::Const
- */
- _mesa_init_point(ctx);
-
- /* Initialize the software rasterizer and helper modules. */
- _swrast_CreateContext( ctx );
- _vbo_CreateContext( ctx );
- _tnl_CreateContext( ctx );
- _swsetup_CreateContext( ctx );
-
- TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
-
- /* Configure swrast to match hardware characteristics: */
- _swrast_allow_pixel_fog( ctx, GL_FALSE );
- _swrast_allow_vertex_fog( ctx, GL_TRUE );
-
- intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
- intel->hw_stipple = 1;
-
- switch(mesaVis->depthBits) {
- case 0: /* what to do in this case? */
- case 16:
- intel->depth_scale = 1.0/0xffff;
- intel->polygon_offset_scale = 1.0/0xffff;
- intel->depth_clear_mask = ~0;
- intel->ClearDepth = 0xffff;
- break;
- case 24:
- intel->depth_scale = 1.0/0xffffff;
- intel->polygon_offset_scale = 2.0/0xffffff; /* req'd to pass glean */
- intel->depth_clear_mask = 0x00ffffff;
- intel->stencil_clear_mask = 0xff000000;
- intel->ClearDepth = 0x00ffffff;
- break;
- default:
- assert(0);
- break;
- }
-
- /* Initialize swrast, tnl driver tables: */
- intelInitSpanFuncs( ctx );
-
- if (!intel->intelScreen->irq_active) {
- _mesa_printf("IRQs not active. Exiting\n");
- exit(1);
- }
- intelInitExtensions(ctx, GL_TRUE);
-
- INTEL_DEBUG = driParseDebugString( getenv( "INTEL_DEBUG" ),
- debug_control );
- if (!intel->ttm && (INTEL_DEBUG & DEBUG_BUFMGR))
- dri_bufmgr_fake_set_debug(intel->bufmgr, GL_TRUE);
-
- intel_recreate_static_regions(intel);
-
- intel_bufferobj_init( intel );
- intel->batch = intel_batchbuffer_alloc( intel );
- intel->last_swap_fence = NULL;
- intel->first_swap_fence = NULL;
-
- if (intel->ctx.Mesa_DXTn) {
- _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
- _mesa_enable_extension( ctx, "GL_S3_s3tc" );
- }
- else if (driQueryOptionb (&intel->optionCache, "force_s3tc_enable")) {
- _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
- }
-
-/* driInitTextureObjects( ctx, & intel->swapped, */
-/* DRI_TEXMGR_DO_TEXTURE_1D | */
-/* DRI_TEXMGR_DO_TEXTURE_2D | */
-/* DRI_TEXMGR_DO_TEXTURE_RECT ); */
-
- /* Force all software fallbacks */
- if (getenv("INTEL_NO_RAST")) {
- fprintf(stderr, "disabling 3D rasterization\n");
- intel->no_rast = 1;
- }
-
- /* Disable all hardware rendering (skip emitting batches and fences/waits
- * to the kernel)
- */
- intel->no_hw = getenv("INTEL_NO_HW") != NULL;
-
- return GL_TRUE;
-}
-
-void intelDestroyContext(__DRIcontextPrivate *driContextPriv)
-{
- struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate;
-
- assert(intel); /* should never be null */
- if (intel) {
- GLboolean release_texture_heaps;
-
-
- intel->vtbl.destroy( intel );
-
- release_texture_heaps = (intel->ctx.Shared->RefCount == 1);
- _swsetup_DestroyContext (&intel->ctx);
- _tnl_DestroyContext (&intel->ctx);
- _vbo_DestroyContext (&intel->ctx);
-
- _swrast_DestroyContext (&intel->ctx);
- intel->Fallback = 0; /* don't call _swrast_Flush later */
- intel_batchbuffer_free(intel->batch);
- intel->batch = NULL;
-
- if (intel->last_swap_fence) {
- dri_fence_wait(intel->last_swap_fence);
- dri_fence_unreference(intel->last_swap_fence);
- intel->last_swap_fence = NULL;
- }
- if (intel->first_swap_fence) {
- dri_fence_wait(intel->first_swap_fence);
- dri_fence_unreference(intel->first_swap_fence);
- intel->first_swap_fence = NULL;
- }
-
- if ( release_texture_heaps ) {
- /* This share group is about to go away, free our private
- * texture object data.
- */
-
- /* XXX: destroy the shared bufmgr struct here?
- */
- }
-
- /* Free the regions created to describe front/back/depth
- * buffers:
- */
-#if 0
- intel_region_release(intel, &intel->front_region);
- intel_region_release(intel, &intel->back_region);
- intel_region_release(intel, &intel->depth_region);
- intel_region_release(intel, &intel->draw_region);
-#endif
-
- /* free the Mesa context */
- intel->ctx.VertexProgram.Current = NULL;
- intel->ctx.FragmentProgram.Current = NULL;
- _mesa_destroy_context(&intel->ctx);
- }
-
- driContextPriv->driverPrivate = NULL;
-}
-
-GLboolean intelUnbindContext(__DRIcontextPrivate *driContextPriv)
-{
- return GL_TRUE;
-}
-
-GLboolean intelMakeCurrent(__DRIcontextPrivate *driContextPriv,
- __DRIdrawablePrivate *driDrawPriv,
- __DRIdrawablePrivate *driReadPriv)
-{
-
- if (driContextPriv) {
- struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate;
-
- if (intel->driReadDrawable != driReadPriv) {
- intel->driReadDrawable = driReadPriv;
- }
-
- if ( intel->driDrawable != driDrawPriv ) {
- if (driDrawPriv->swap_interval == (unsigned)-1) {
- driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0)
- ? driGetDefaultVBlankFlags(&intel->optionCache)
- : VBLANK_FLAG_NO_IRQ;
- driDrawableInitVBlank( driDrawPriv );
- }
-
- intel->driDrawable = driDrawPriv;
- intelWindowMoved( intel );
- /* Shouldn't the readbuffer be stored also? */
- }
-
- _mesa_make_current(&intel->ctx,
- (GLframebuffer *) driDrawPriv->driverPrivate,
- (GLframebuffer *) driReadPriv->driverPrivate);
-
- intel->ctx.Driver.DrawBuffer( &intel->ctx, intel->ctx.Color.DrawBuffer[0] );
- } else {
- _mesa_make_current(NULL, NULL, NULL);
- }
-
- return GL_TRUE;
-}
-
-
-static void intelContendedLock( struct intel_context *intel, GLuint flags )
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- __DRIscreenPrivate *sPriv = intel->driScreen;
- volatile drmI830Sarea * sarea = intel->sarea;
- int me = intel->hHWContext;
-
- drmGetLock(intel->driFd, intel->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:
- */
- if (dPriv)
- DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
-
-
- intel->locked = 1;
- intel->need_flush = 1;
-
- /* Lost context?
- */
- if (sarea->ctxOwner != me) {
- if (INTEL_DEBUG & DEBUG_BUFMGR) {
- fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n",
- sarea->ctxOwner, me);
- }
- sarea->ctxOwner = me;
- intel->vtbl.lost_hardware( intel );
- }
-
- /* If the last consumer of the texture memory wasn't us, notify the fake
- * bufmgr and record the new owner. We should have the memory shared
- * between contexts of a single fake bufmgr, but this will at least make
- * things correct for now.
- */
- if (!intel->ttm && sarea->texAge != intel->hHWContext) {
- sarea->texAge = intel->hHWContext;
- dri_bufmgr_fake_contended_lock_take(intel->bufmgr);
- if (INTEL_DEBUG & DEBUG_BATCH)
- intel_decode_context_reset();
- if (INTEL_DEBUG & DEBUG_BUFMGR) {
- fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n",
- sarea->ctxOwner, intel->hHWContext);
- }
- }
-
- /* Drawable changed?
- */
- if (dPriv && intel->lastStamp != dPriv->lastStamp) {
- intelWindowMoved( intel );
- intel->lastStamp = dPriv->lastStamp;
- }
-}
-
-_glthread_DECLARE_STATIC_MUTEX(lockMutex);
-
-/* Lock the hardware and validate our state.
- */
-void LOCK_HARDWARE( struct intel_context *intel )
-{
- char __ret=0;
-
- _glthread_LOCK_MUTEX(lockMutex);
- assert(!intel->locked);
-
-
- DRM_CAS(intel->driHwLock, intel->hHWContext,
- (DRM_LOCK_HELD|intel->hHWContext), __ret);
- if (__ret)
- intelContendedLock( intel, 0 );
-
- intel->locked = 1;
-
-}
-
-
-/* Unlock the hardware using the global current context
- */
-void UNLOCK_HARDWARE( struct intel_context *intel )
-{
- intel->vtbl.note_unlock( intel );
- intel->locked = 0;
-
- DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
- _glthread_UNLOCK_MUTEX(lockMutex);
-}
-
-
projects / mesa.git / blobdiff