diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.c | 1033 |
1 files changed, 1033 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c new file mode 100644 index 0000000000..50c1964d87 --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -0,0 +1,1033 @@ +/************************************************************************** + * + * 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_chipset.h" +#include "intel_buffers.h" +#include "intel_tex.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.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_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_NV_vertex_program +#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" + +#define DRIVER_DATE "20080716" +#define DRIVER_DATE_GEM "GEM " DRIVER_DATE + +static const GLubyte * +intelGetString(GLcontext * ctx, GLenum name) +{ + const struct intel_context *const intel = intel_context(ctx); + const char *chipset; + static char buffer[128]; + + switch (name) { + case GL_VENDOR: + return (GLubyte *) "Tungsten Graphics, Inc"; + break; + + case GL_RENDERER: + switch (intel->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_E7221_G: + chipset = "Intel (R) E7221G (i915)"; + 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; + 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_GM45_GM: + chipset = "Mobile Intel® GM45 Express Chipset"; + break; + case PCI_CHIP_IGD_E_G: + chipset = "Intel(R) Integrated Graphics Device"; + break; + case PCI_CHIP_G45_G: + chipset = "Intel(R) G45/G43"; + break; + case PCI_CHIP_Q45_G: + chipset = "Intel(R) Q45/Q43"; + break; + default: + chipset = "Unknown Intel Chipset"; + break; + } + + (void) driGetRendererString(buffer, chipset, + (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE, + 0); + return (GLubyte *) buffer; + + default: + return NULL; + } +} + +/** + * Extension strings exported by the intel driver. + * + * Extensions supported by all chips supported by i830_dri, i915_dri, or + * i965_dri. + */ +static 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_crossbar", 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_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_ATI_separate_stencil", GL_ATI_separate_stencil_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} +}; + +static const struct dri_extension brw_extensions[] = { + { "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_point_sprite", NULL}, + { "GL_ARB_fragment_shader", NULL }, + { "GL_ARB_draw_buffers", NULL }, + { "GL_ARB_depth_texture", NULL }, + { "GL_ARB_fragment_program", NULL }, + { "GL_ARB_shadow", NULL }, + { "GL_EXT_shadow_funcs", NULL }, + { "GL_ARB_fragment_program_shadow", NULL }, + /* ARB extn won't work if not enabled */ + { "GL_SGIX_depth_texture", NULL }, + { "GL_EXT_texture_sRGB", NULL}, + { NULL, NULL } +}; + +static const struct dri_extension arb_oc_extensions[] = { + {"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions}, + {NULL, NULL} +}; + +static const struct dri_extension ttm_extensions[] = { + {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, + {"GL_ARB_pixel_buffer_object", NULL}, + {NULL, NULL} +}; + +/** + * Initializes potential list of extensions if ctx == NULL, or actually enables + * extensions for a context. + */ +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 || + (IS_965(intel->intelScreen->deviceID) && + intel->intelScreen->drmMinor >= 8)) + driInitExtensions(ctx, arb_oc_extensions, GL_FALSE); + + if (intel == NULL || IS_965(intel->intelScreen->deviceID)) + driInitExtensions(ctx, brw_extensions, GL_FALSE); +} + +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}, + { "prim", DEBUG_PRIMS }, + { "vert", DEBUG_VERTS }, + { "dri", DEBUG_DRI }, + { "dma", DEBUG_DMA }, + { "san", DEBUG_SANITY }, + { "sleep", DEBUG_SLEEP }, + { "stats", DEBUG_STATS }, + { "tile", DEBUG_TILE }, + { "sing", DEBUG_SINGLE_THREAD }, + { "thre", DEBUG_SINGLE_THREAD }, + { "wm", DEBUG_WM }, + { "urb", DEBUG_URB }, + { "vs", DEBUG_VS }, + { 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->Fallback) + _swrast_flush(ctx); + + if (!IS_965(intel->intelScreen->deviceID)) + INTEL_FIREVERTICES(intel); + + /* Emit a flush so that any frontbuffer rendering that might have occurred + * lands onscreen in a timely manner, even if the X Server doesn't trigger + * a flush for us. + */ + intel_batchbuffer_emit_mi_flush(intel->batch); + + if (intel->batch->map != intel->batch->ptr) + intel_batchbuffer_flush(intel->batch); +} + +void +intelFinish(GLcontext * ctx) +{ + struct gl_framebuffer *fb = ctx->DrawBuffer; + int i; + + intelFlush(ctx); + + for (i = 0; i < fb->_NumColorDrawBuffers; i++) { + struct intel_renderbuffer *irb; + + irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); + + if (irb->region) + dri_bo_wait_rendering(irb->region->buffer); + } + if (fb->_DepthBuffer) { + /* XXX: Wait on buffer idle */ + } +} + +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 gem_disable = getenv("INTEL_NO_GEM") != NULL; + int gem_kernel = 0; + GLboolean gem_supported; + struct drm_i915_getparam gp; + + gp.param = I915_PARAM_HAS_GEM; + gp.value = &gem_kernel; + + (void) drmCommandWriteRead(intel->driFd, DRM_I915_GETPARAM, &gp, sizeof(gp)); + + /* If we've got a new enough DDX that's initializing GEM and giving us + * object handles for the shared buffers, use that. + */ + intel->ttm = GL_FALSE; + if (intel->intelScreen->driScrnPriv->dri2.enabled) + gem_supported = GL_TRUE; + else if (intel->intelScreen->driScrnPriv->ddx_version.minor >= 9 && + gem_kernel && + intel->intelScreen->front.bo_handle != -1) + gem_supported = GL_TRUE; + else + gem_supported = GL_FALSE; + + if (!gem_disable && gem_supported) { + int bo_reuse_mode; + intel->bufmgr = intel_bufmgr_gem_init(intel->driFd, + BATCH_SZ); + if (intel->bufmgr != NULL) + intel->ttm = GL_TRUE; + + bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); + switch (bo_reuse_mode) { + case DRI_CONF_BO_REUSE_DISABLED: + break; + case DRI_CONF_BO_REUSE_ALL: + intel_bufmgr_gem_enable_reuse(intel->bufmgr); + break; + } + } + /* Otherwise, use the classic buffer manager. */ + if (intel->bufmgr == NULL) { + if (gem_disable) { + fprintf(stderr, "GEM disabled. Using classic.\n"); + } else { + fprintf(stderr, "Failed to initialize GEM. " + "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 = intel_bufmgr_fake_init(intelScreen->tex.offset, + intelScreen->tex.map, + intelScreen->tex.size, + intel_fence_emit, + intel_fence_wait, + intel); + } + + /* XXX bufmgr should be per-screen, not per-context */ + intelScreen->ttm = intel->ttm; + + 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; + + functions->BeginQuery = intelBeginQuery; + functions->EndQuery = intelEndQuery; + + intelInitTextureFuncs(functions); + intelInitStateFuncs(functions); + intelInitBufferFuncs(functions); + intelInitPixelFuncs(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); + int fthrottle_mode; + + 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 = sPriv->lock; + + intel->width = intelScreen->width; + intel->height = intelScreen->height; + + driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, + intel->driScreen->myNum, + IS_965(intelScreen->deviceID) ? "i965" : "i915"); + if (intelScreen->deviceID == PCI_CHIP_I865_G) + intel->maxBatchSize = 4096; + else + intel->maxBatchSize = BATCH_SZ; + + if (!intel_init_bufmgr(intel)) + return GL_FALSE; + + 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; + } + + 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); + + 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); + + /* 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; + + /* 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; + } + + if (IS_965(intelScreen->deviceID)) + intel->polygon_offset_scale /= 0xffff; + + 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); + + if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { + _mesa_printf("IRQs not active. Exiting\n"); + exit(1); + } + + intelInitExtensions(ctx, GL_FALSE); + + INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); + if (INTEL_DEBUG & DEBUG_BUFMGR) + dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); + + if (!sPriv->dri2.enabled) + intel_recreate_static_regions(intel); + + intel->batch = intel_batchbuffer_alloc(intel); + + 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; + + /* 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_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); + free(intel->prim.vb); + + 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) +{ + __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; + + 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 */ + if (!driContextPriv->driScreenPriv->dri2.enabled) { + 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 (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->driReadDrawable != driReadPriv) + intel->driReadDrawable = driReadPriv; + + 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; + + (*psp->systemTime->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; + volatile struct drm_i915_sarea *sarea = intel->sarea; + int me = intel->hHWContext; + + drmGetLock(intel->driFd, intel->hHWContext, flags); + intel->locked = 1; + + 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 (sarea && 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; + intel_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); + } + + 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); + + if (!IS_965(intel->intelScreen->deviceID)) + 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; + } +} + + +_glthread_DECLARE_STATIC_MUTEX(lockMutex); + +/* Lock the hardware and validate our state. + */ +void LOCK_HARDWARE( struct intel_context *intel ) +{ + __DRIdrawable *dPriv = intel->driDrawable; + __DRIscreen *sPriv = intel->driScreen; + char __ret = 0; + struct intel_framebuffer *intel_fb = NULL; + struct intel_renderbuffer *intel_rb = NULL; + + _glthread_LOCK_MUTEX(lockMutex); + assert(!intel->locked); + intel->locked = 1; + + 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 (sPriv->dri2.enabled) { + if (__ret) + drmGetLock(intel->driFd, intel->hHWContext, 0); + if (__driParseEvents(dPriv->driContextPriv, dPriv)) { + intelWindowMoved(intel); + intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); + } + } else if (__ret) { + intelContendedLock( intel, 0 ); + } + + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - locked\n", __progname); +} + + +/* 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); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - unlocked\n", __progname); + + /** + * Nothing should be left in batch outside of LOCK/UNLOCK which references + * cliprects. + */ + if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) + intel_batchbuffer_flush(intel->batch); +} + |