diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_context.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i965/intel_context.c | 832 |
1 files changed, 1 insertions, 831 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c index 93899dfef1..27a1cbb255 100644..120000 --- a/src/mesa/drivers/dri/i965/intel_context.c +++ b/src/mesa/drivers/dri/i965/intel_context.c @@ -1,831 +1 @@ -/************************************************************************** - * - * 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 "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_buffers.h" -#include "intel_buffer_objects.h" -#include "intel_decode.h" -#include "intel_fbo.h" -#include "intel_bufmgr_ttm.h" -#include "intel_pixel.h" - -#include "drirenderbuffer.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_framebuffer_object -#define need_GL_EXT_multi_draw_arrays -#define need_GL_EXT_secondary_color -#define need_GL_ATI_separate_stencil -#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; - case PCI_CHIP_IGD_GM: - chipset = "Intel(R) Integrated Graphics Device"; - 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_ATI_separate_stencil", GL_ATI_separate_stencil_functions }, - { "GL_EXT_stencil_wrap", NULL }, - /* Do not enable this extension. It conflicts with GL_ATI_separate_stencil - * and 2.0's separate stencil, because mesa's computed _TestTwoSide will - * only reflect whether it's enabled through this extension, even if the - * application is using the other interfaces. - */ -/*{ "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions },*/ - { "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 }, - { "GL_ARB_draw_buffers", 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} -}; - -const struct dri_extension arb_oc_extensions[] = { - {"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions}, - {NULL, NULL} -}; - -/** - * Initializes potential list of extensions if ctx == NULL, or actually enables - * extensions for a context. - */ -static void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging) -{ - struct intel_context *intel = ctx?intel_context(ctx):NULL; - - /* Disable imaging extension until convolution is working in teximage paths. - */ - enable_imaging = GL_FALSE; - - driInitExtensions(ctx, card_extensions, enable_imaging); - - if (intel == NULL || intel->ttm) - driInitExtensions(ctx, ttm_extensions, GL_FALSE); - - if (intel == NULL || intel->intelScreen->drmMinor >= 8) - driInitExtensions(ctx, arb_oc_extensions, GL_FALSE); -} - -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}, - { "fbo", DEBUG_FBO }, - { 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 ); - struct drm_i915_mmio io = { - .read_write = I915_MMIO_READ, - .reg = MMIO_REGS_PS_DEPTH_COUNT, - .data = &q->Result - }; - intel->stats_wm++; - intelFinish(&intel->ctx); - drmCommandWrite(intel->driFd, DRM_I915_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; - struct drm_i915_mmio io = { - .read_write = I915_MMIO_READ, - .reg = MMIO_REGS_PS_DEPTH_COUNT, - .data = &tmp - }; - intelFinish(&intel->ctx); - drmCommandWrite(intel->driFd, DRM_I915_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 struct drm_i915_sarea *saPriv = (struct drm_i915_sarea *) - (((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->polygon_offset_scale = 1.0/0xffff; - break; - case 24: - intel->polygon_offset_scale = 2.0/0xffffff; /* req'd to pass glean */ - 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_DEBUG & DEBUG_BUFMGR) - dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); - - intel_recreate_static_regions(intel); - - intel_bufferobj_init( intel ); - intel_fbo_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 (driQueryOptionb(&intel->optionCache, "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 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; - 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. - * They will be unreferenced when the renderbuffer is destroyed. - */ - { - 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 0 - if (intel_fb->color_rb[2]) { - intel_renderbuffer_set_region(intel_fb->color_rb[2], - intel->third_region); - } -#endif - 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 (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, - &intel_fb->Base, - readFb); - - 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; - volatile struct drm_i915_sarea * 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; - - /* 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; - } - - /* 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); - - /** - * Nothing should be left in batch outside of LOCK/UNLOCK which references - * cliprects. - */ - assert(intel->batch->cliprect_mode != REFERENCES_CLIPRECTS); -} - - +../intel/intel_context.c
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