+++ /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 "tnl/t_pipeline.h"
-#include "tnl/t_vertex.h"
-
-#include "drivers/common/driverfuncs.h"
-
-#include "intel_screen.h"
-
-#include "i830_dri.h"
-
-#include "intel_buffers.h"
-#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_tris.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
-#include "intel_blit.h"
-#include "intel_pixel.h"
-#include "intel_regions.h"
-#include "intel_buffer_objects.h"
-#include "intel_fbo.h"
-#include "intel_decode.h"
-#include "intel_bufmgr_ttm.h"
-
-#include "drirenderbuffer.h"
-#include "vblank.h"
-#include "utils.h"
-#include "xmlpool.h" /* for symbolic values of enum-type options */
-#ifndef INTEL_DEBUG
-int INTEL_DEBUG = (0);
-#endif
-
-#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_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_framebuffer_object
-#define need_GL_EXT_multi_draw_arrays
-#define need_GL_EXT_secondary_color
-#define need_GL_NV_vertex_program
-#include "extension_helper.h"
-
-
-#define DRIVER_DATE "20061102"
-
-_glthread_Mutex lockMutex;
-static GLboolean lockMutexInit = GL_FALSE;
-
-
-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_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;
- case PCI_CHIP_I915_G:
- chipset = "Intel(R) 915G";
- break;
- case PCI_CHIP_I915_GM:
- chipset = "Intel(R) 915GM";
- break;
- case PCI_CHIP_I945_G:
- chipset = "Intel(R) 945G";
- break;
- case PCI_CHIP_I945_GM:
- chipset = "Intel(R) 945GM";
- break;
- case PCI_CHIP_I945_GME:
- chipset = "Intel(R) 945GME";
- break;
- case PCI_CHIP_G33_G:
- chipset = "Intel(R) G33";
- break;
- case PCI_CHIP_Q35_G:
- chipset = "Intel(R) Q35";
- break;
- case PCI_CHIP_Q33_G:
- chipset = "Intel(R) Q33";
- break;
- default:
- chipset = "Unknown Intel Chipset";
- break;
- }
-
- (void) driGetRendererString(buffer, chipset, DRIVER_DATE, 0);
- return (GLubyte *) buffer;
-
- default:
- return NULL;
- }
-}
-
-
-/**
- * Extension strings exported by the intel 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_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_rectangle", 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_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},
-#if 1 /* XXX FBO temporary? */
- {"GL_EXT_packed_depth_stencil", NULL},
-#endif
- {"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_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_NV_vertex_program", GL_NV_vertex_program_functions},
- {"GL_NV_vertex_program1_1", NULL},
- { "GL_SGIS_generate_mipmap", NULL },
- {NULL, NULL}
-};
-
-const struct dri_extension ttm_extensions[] = {
- {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
- {"GL_ARB_pixel_buffer_object", NULL},
- {NULL, NULL}
-};
-
-extern const struct tnl_pipeline_stage _intel_render_stage;
-
-static const struct tnl_pipeline_stage *intel_pipeline[] = {
- &_tnl_vertex_transform_stage,
- &_tnl_vertex_cull_stage,
- &_tnl_normal_transform_stage,
- &_tnl_lighting_stage,
- &_tnl_fog_coordinate_stage,
- &_tnl_texgen_stage,
- &_tnl_texture_transform_stage,
- &_tnl_point_attenuation_stage,
- &_tnl_vertex_program_stage,
-#if 1
- &_intel_render_stage, /* ADD: unclipped rastersetup-to-dma */
-#endif
- &_tnl_render_stage,
- 0,
-};
-
-
-static const struct dri_debug_control debug_control[] = {
- {"tex", DEBUG_TEXTURE},
- {"state", DEBUG_STATE},
- {"ioctl", DEBUG_IOCTL},
- {"blit", DEBUG_BLIT},
- {"mip", DEBUG_MIPTREE},
- {"fall", DEBUG_FALLBACKS},
- {"verb", DEBUG_VERBOSE},
- {"bat", DEBUG_BATCH},
- {"pix", DEBUG_PIXEL},
- {"buf", DEBUG_BUFMGR},
- {"reg", DEBUG_REGION},
- {"fbo", DEBUG_FBO},
- {"lock", DEBUG_LOCK},
- {"sync", DEBUG_SYNC},
- {NULL, 0}
-};
-
-
-static void
-intelInvalidateState(GLcontext * ctx, GLuint new_state)
-{
- _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_context(ctx)->NewGLState |= new_state;
-}
-
-
-void
-intelFlush(GLcontext * ctx)
-{
- struct intel_context *intel = intel_context(ctx);
-
- if (intel->Fallback)
- _swrast_flush(ctx);
-
- INTEL_FIREVERTICES(intel);
-
- if (intel->batch->map != intel->batch->ptr)
- intel_batchbuffer_flush(intel->batch);
-
- /* XXX: Need to do an MI_FLUSH here.
- */
-}
-
-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;
- }
-}
-
-/** 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->CopyColorTable = _swrast_CopyColorTable;
- functions->CopyColorSubTable = _swrast_CopyColorSubTable;
- functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
- functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
-
- intelInitTextureFuncs(functions);
- intelInitPixelFuncs(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;
- drmI830Sarea *saPriv = (drmI830Sarea *)
- (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset);
- int fthrottle_mode;
-
- if (!_mesa_initialize_context(&intel->ctx,
- mesaVis, shareCtx,
- functions, (void *) intel))
- 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->width = intelScreen->width;
- intel->height = intelScreen->height;
-
- if (intelScreen->deviceID == PCI_CHIP_I865_G)
- intel->maxBatchSize = 4096;
- else
- intel->maxBatchSize = BATCH_SZ;
-
- if (!intel_init_bufmgr(intel))
- return GL_FALSE;
-
- if (!lockMutexInit) {
- lockMutexInit = GL_TRUE;
- _glthread_INIT_MUTEX(lockMutex);
- }
-
- driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
- intel->driScreen->myNum, "i915");
-
- ctx->Const.MaxTextureMaxAnisotropy = 2.0;
-
- /* This doesn't yet catch all non-conformant rendering, but it's a
- * start.
- */
- if (getenv("INTEL_STRICT_CONFORMANCE")) {
- intel->strict_conformance = 1;
- }
-
- 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;
-
- /* reinitialize the context point state.
- * It depend on constants in __GLcontextRec::Const
- */
- _mesa_init_point(ctx);
-
- ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */
-
- /* Initialize the software rasterizer and helper modules. */
- _swrast_CreateContext(ctx);
- _vbo_CreateContext(ctx);
- _tnl_CreateContext(ctx);
- _swsetup_CreateContext(ctx);
-
- /* Install the customized pipeline: */
- _tnl_destroy_pipeline(ctx);
- _tnl_install_pipeline(ctx, intel_pipeline);
-
- /* Configure swrast to match hardware characteristics: */
- _swrast_allow_pixel_fog(ctx, GL_FALSE);
- _swrast_allow_vertex_fog(ctx, GL_TRUE);
-
- intel->hw_stipple = 1;
-
- /* XXX FBO: this doesn't seem to be used anywhere */
- switch (mesaVis->depthBits) {
- case 0: /* what to do in this case? */
- case 16:
- intel->polygon_offset_scale = 1.0;
- break;
- case 24:
- intel->polygon_offset_scale = 2.0; /* req'd to pass glean */
- break;
- default:
- assert(0);
- break;
- }
-
- /* Initialize swrast, tnl driver tables: */
- intelInitSpanFuncs(ctx);
- intelInitTriFuncs(ctx);
-
-
- intel->RenderIndex = ~0;
-
- fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode");
- intel->irqsEmitted = 0;
-
- intel->do_irqs = (intel->intelScreen->irq_active &&
- fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
-
- intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
-
- _math_matrix_ctr(&intel->ViewportMatrix);
-
- /* Disable imaging extension until convolution is working in
- * teximage paths:
- */
- driInitExtensions(ctx, card_extensions,
-/* GL_TRUE, */
- GL_FALSE);
-
- if (intel->ttm)
- driInitExtensions(ctx, ttm_extensions, GL_FALSE);
-
- intel_recreate_static_regions(intel);
-
- intel->batch = intel_batchbuffer_alloc(intel);
- intel->last_swap_fence = NULL;
- intel->first_swap_fence = NULL;
-
- intel_bufferobj_init(intel);
- intel_fbo_init(intel);
-
- 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");
- }
-
- intel->prim.primitive = ~0;
-
-#if DO_DEBUG
- INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
- if (INTEL_DEBUG & DEBUG_BUFMGR)
- dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
-#endif
-
- if (getenv("INTEL_NO_RAST")) {
- fprintf(stderr, "disabling 3D rasterization\n");
- FALLBACK(intel, INTEL_FALLBACK_USER, 1);
- }
-
- 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_FIREVERTICES(intel);
-
- 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);
-
- 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.
- */
- if (INTEL_DEBUG & DEBUG_TEXTURE)
- fprintf(stderr, "do something to free texture heaps\n");
- }
-
- /* free the Mesa context */
- _mesa_free_context_data(&intel->ctx);
-
- dri_bufmgr_destroy(intel->bufmgr);
- }
-}
-
-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;
- struct intel_framebuffer *intel_fb =
- (struct intel_framebuffer *) driDrawPriv->driverPrivate;
- GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
-
-
- /* XXX FBO temporary fix-ups! */
- /* if the renderbuffers don't have regions, init them from the context */
- {
- struct intel_renderbuffer *irbDepth
- = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
- struct intel_renderbuffer *irbStencil
- = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
-
- if (intel_fb->color_rb[0]) {
- intel_renderbuffer_set_region(intel_fb->color_rb[0],
- intel->front_region);
- }
- if (intel_fb->color_rb[1]) {
- intel_renderbuffer_set_region(intel_fb->color_rb[1],
- intel->back_region);
- }
- if (intel_fb->color_rb[2]) {
- intel_renderbuffer_set_region(intel_fb->color_rb[2],
- intel->third_region);
- }
- if (irbDepth) {
- intel_renderbuffer_set_region(irbDepth, intel->depth_region);
- }
- if (irbStencil) {
- intel_renderbuffer_set_region(irbStencil, intel->depth_region);
- }
- }
-
- /* set GLframebuffer size to match window, if needed */
- driUpdateFramebufferSize(&intel->ctx, driDrawPriv);
-
- if (driReadPriv != driDrawPriv) {
- driUpdateFramebufferSize(&intel->ctx, driReadPriv);
- }
-
- _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb);
-
- /* The drawbuffer won't always be updated by _mesa_make_current:
- */
- if (intel->ctx.DrawBuffer == &intel_fb->Base) {
-
- if (intel->driDrawable != driDrawPriv) {
- if (driDrawPriv->swap_interval == (unsigned)-1) {
- int i;
-
- driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0)
- ? driGetDefaultVBlankFlags(&intel->optionCache)
- : VBLANK_FLAG_NO_IRQ;
-
- (*dri_interface->getUST) (&intel_fb->swap_ust);
- driDrawableInitVBlank(driDrawPriv);
- intel_fb->vbl_waited = driDrawPriv->vblSeq;
-
- for (i = 0; i < (intel->intelScreen->third.handle ? 3 : 2); i++) {
- if (intel_fb->color_rb[i])
- intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq;
- }
- }
- intel->driDrawable = driDrawPriv;
- intelWindowMoved(intel);
- }
-
- intel_draw_buffer(&intel->ctx, &intel_fb->Base);
- }
- }
- 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;
- drmI830Sarea *sarea = intel->sarea;
-
- drmGetLock(intel->driFd, intel->hHWContext, flags);
-
- if (INTEL_DEBUG & DEBUG_LOCK)
- _mesa_printf("%s - got contended lock\n", __progname);
-
- /* 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);
-
- /* 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 (sarea->width != intel->width ||
- sarea->height != intel->height) {
- int numClipRects = intel->numClipRects;
-
- /*
- * FIXME: Really only need to do this when drawing to a
- * common back- or front buffer.
- */
-
- /*
- * This will essentially drop the outstanding batchbuffer on the floor.
- */
- intel->numClipRects = 0;
-
- if (intel->Fallback)
- _swrast_flush(&intel->ctx);
-
- INTEL_FIREVERTICES(intel);
-
- if (intel->batch->map != intel->batch->ptr)
- intel_batchbuffer_flush(intel->batch);
-
- intel->numClipRects = numClipRects;
-
- /* force window update */
- intel->lastStamp = 0;
-
- intel->width = sarea->width;
- intel->height = sarea->height;
- }
-
- /* Drawable changed?
- */
- if (dPriv && intel->lastStamp != dPriv->lastStamp) {
- intelWindowMoved(intel);
- intel->lastStamp = dPriv->lastStamp;
- }
-}
-
-
-
-/* Lock the hardware and validate our state.
- */
-void LOCK_HARDWARE( struct intel_context *intel )
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- char __ret=0;
- struct intel_framebuffer *intel_fb = NULL;
- struct intel_renderbuffer *intel_rb = NULL;
- _glthread_LOCK_MUTEX(lockMutex);
- assert(!intel->locked);
-
- if (intel->driDrawable) {
- intel_fb = intel->driDrawable->driverPrivate;
-
- if (intel_fb)
- intel_rb =
- intel_get_renderbuffer(&intel_fb->Base,
- intel_fb->Base._ColorDrawBufferIndexes[0]);
- }
-
- if (intel_rb && dPriv->vblFlags &&
- !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) &&
- (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) {
- drmVBlank vbl;
-
- vbl.request.type = DRM_VBLANK_ABSOLUTE;
-
- if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) {
- vbl.request.type |= DRM_VBLANK_SECONDARY;
- }
-
- vbl.request.sequence = intel_rb->vbl_pending;
- drmWaitVBlank(intel->driFd, &vbl);
- intel_fb->vbl_waited = vbl.reply.sequence;
- }
-
- DRM_CAS(intel->driHwLock, intel->hHWContext,
- (DRM_LOCK_HELD|intel->hHWContext), __ret);
-
- if (__ret)
- intelContendedLock( intel, 0 );
-
- if (INTEL_DEBUG & DEBUG_LOCK)
- _mesa_printf("%s - locked\n", __progname);
-
- intel->locked = 1;
-}
-
-
- /* Unlock the hardware using the global current context
- */
-void UNLOCK_HARDWARE( struct intel_context *intel )
-{
- intel->locked = 0;
-
- DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
-
- _glthread_UNLOCK_MUTEX(lockMutex);
-
- if (INTEL_DEBUG & DEBUG_LOCK)
- _mesa_printf("%s - unlocked\n", __progname);
-}
-
projects / mesa.git / blobdiff