/************************************************************************** * * Copyright 2003 VMware, Inc. * 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 VMWARE 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 #include #include #include "main/glheader.h" #include "main/context.h" #include "main/framebuffer.h" #include "main/renderbuffer.h" #include "main/texobj.h" #include "main/hash.h" #include "main/fbobject.h" #include "main/version.h" #include "swrast/s_renderbuffer.h" #include "utils.h" #include "xmlpool.h" static const __DRIconfigOptionsExtension i915_config_options = { .base = { __DRI_CONFIG_OPTIONS, 1 }, .xml = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_ALWAYS_SYNC) /* Options correspond to DRI_CONF_BO_REUSE_DISABLED, * DRI_CONF_BO_REUSE_ALL */ DRI_CONF_OPT_BEGIN_V(bo_reuse, enum, 1, "0:1") DRI_CONF_DESC_BEGIN(en, "Buffer object reuse") DRI_CONF_ENUM(0, "Disable buffer object reuse") DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects") DRI_CONF_DESC_END DRI_CONF_OPT_END DRI_CONF_OPT_BEGIN_B(early_z, "false") DRI_CONF_DESC(en, "Enable early Z in classic mode (unstable, 945-only).") DRI_CONF_OPT_END DRI_CONF_OPT_BEGIN_B(fragment_shader, "true") DRI_CONF_DESC(en, "Enable limited ARB_fragment_shader support on 915/945.") DRI_CONF_OPT_END DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY DRI_CONF_FORCE_S3TC_ENABLE("false") DRI_CONF_SECTION_END DRI_CONF_SECTION_DEBUG DRI_CONF_NO_RAST("false") DRI_CONF_ALWAYS_FLUSH_BATCH("false") DRI_CONF_ALWAYS_FLUSH_CACHE("false") DRI_CONF_DISABLE_THROTTLING("false") DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN("false") DRI_CONF_DISABLE_GLSL_LINE_CONTINUATIONS("false") DRI_CONF_DISABLE_BLEND_FUNC_EXTENDED("false") DRI_CONF_OPT_BEGIN_B(stub_occlusion_query, "false") DRI_CONF_DESC(en, "Enable stub ARB_occlusion_query support on 915/945.") DRI_CONF_OPT_END DRI_CONF_OPT_BEGIN_B(shader_precompile, "true") DRI_CONF_DESC(en, "Perform code generation at shader link time.") DRI_CONF_OPT_END DRI_CONF_SECTION_END DRI_CONF_END }; #include "intel_batchbuffer.h" #include "intel_buffers.h" #include "intel_bufmgr.h" #include "intel_chipset.h" #include "intel_fbo.h" #include "intel_mipmap_tree.h" #include "intel_screen.h" #include "intel_tex.h" #include "intel_regions.h" #include "i915_drm.h" /** * For debugging purposes, this returns a time in seconds. */ double get_time(void) { struct timespec tp; clock_gettime(CLOCK_MONOTONIC, &tp); return tp.tv_sec + tp.tv_nsec / 1000000000.0; } void aub_dump_bmp(struct gl_context *ctx) { struct gl_framebuffer *fb = ctx->DrawBuffer; for (int i = 0; i < fb->_NumColorDrawBuffers; i++) { struct intel_renderbuffer *irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); if (irb && irb->mt) { enum aub_dump_bmp_format format; switch (irb->Base.Base.Format) { case MESA_FORMAT_B8G8R8A8_UNORM: case MESA_FORMAT_B8G8R8X8_UNORM: format = AUB_DUMP_BMP_FORMAT_ARGB_8888; break; default: continue; } assert(irb->mt->region->pitch % irb->mt->region->cpp == 0); drm_intel_gem_bo_aub_dump_bmp(irb->mt->region->bo, irb->draw_x, irb->draw_y, irb->Base.Base.Width, irb->Base.Base.Height, format, irb->mt->region->pitch, 0); } } } static const __DRItexBufferExtension intelTexBufferExtension = { .base = { __DRI_TEX_BUFFER, 3 }, .setTexBuffer = intelSetTexBuffer, .setTexBuffer2 = intelSetTexBuffer2, .releaseTexBuffer = NULL, }; static void intelDRI2Flush(__DRIdrawable *drawable) { GET_CURRENT_CONTEXT(ctx); struct intel_context *intel = intel_context(ctx); if (intel == NULL) return; INTEL_FIREVERTICES(intel); intel->need_throttle = true; if (intel->batch.used) intel_batchbuffer_flush(intel); if (INTEL_DEBUG & DEBUG_AUB) { aub_dump_bmp(ctx); } } static const struct __DRI2flushExtensionRec intelFlushExtension = { .base = { __DRI2_FLUSH, 3 }, .flush = intelDRI2Flush, .invalidate = dri2InvalidateDrawable, }; static struct intel_image_format intel_image_formats[] = { { __DRI_IMAGE_FOURCC_ARGB8888, __DRI_IMAGE_COMPONENTS_RGBA, 1, { { 0, 0, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } }, { __DRI_IMAGE_FOURCC_SARGB8888, __DRI_IMAGE_COMPONENTS_RGBA, 1, { { 0, 0, 0, __DRI_IMAGE_FORMAT_SARGB8, 4 } } }, { __DRI_IMAGE_FOURCC_XRGB8888, __DRI_IMAGE_COMPONENTS_RGB, 1, { { 0, 0, 0, __DRI_IMAGE_FORMAT_XRGB8888, 4 }, } }, { __DRI_IMAGE_FOURCC_YUV410, __DRI_IMAGE_COMPONENTS_Y_U_V, 3, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 }, { 2, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 } } }, { __DRI_IMAGE_FOURCC_YUV411, __DRI_IMAGE_COMPONENTS_Y_U_V, 3, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 2, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 } } }, { __DRI_IMAGE_FOURCC_YUV420, __DRI_IMAGE_COMPONENTS_Y_U_V, 3, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 }, { 2, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 } } }, { __DRI_IMAGE_FOURCC_YUV422, __DRI_IMAGE_COMPONENTS_Y_U_V, 3, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 2, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 } } }, { __DRI_IMAGE_FOURCC_YUV444, __DRI_IMAGE_COMPONENTS_Y_U_V, 3, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 2, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 } } }, { __DRI_IMAGE_FOURCC_NV12, __DRI_IMAGE_COMPONENTS_Y_UV, 2, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 1, 1, __DRI_IMAGE_FORMAT_GR88, 2 } } }, { __DRI_IMAGE_FOURCC_NV16, __DRI_IMAGE_COMPONENTS_Y_UV, 2, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 }, { 1, 1, 0, __DRI_IMAGE_FORMAT_GR88, 2 } } }, /* For YUYV buffers, we set up two overlapping DRI images and treat * them as planar buffers in the compositors. Plane 0 is GR88 and * samples YU or YV pairs and places Y into the R component, while * plane 1 is ARGB and samples YUYV clusters and places pairs and * places U into the G component and V into A. This lets the * texture sampler interpolate the Y components correctly when * sampling from plane 0, and interpolate U and V correctly when * sampling from plane 1. */ { __DRI_IMAGE_FOURCC_YUYV, __DRI_IMAGE_COMPONENTS_Y_XUXV, 2, { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88, 2 }, { 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } } }; static __DRIimage * intel_allocate_image(int dri_format, void *loaderPrivate) { __DRIimage *image; image = calloc(1, sizeof *image); if (image == NULL) return NULL; image->dri_format = dri_format; image->offset = 0; image->format = driImageFormatToGLFormat(dri_format); if (dri_format != __DRI_IMAGE_FORMAT_NONE && image->format == MESA_FORMAT_NONE) { free(image); return NULL; } image->internal_format = _mesa_get_format_base_format(image->format); image->data = loaderPrivate; return image; } /** * Sets up a DRIImage structure to point to our shared image in a region */ static void intel_setup_image_from_mipmap_tree(struct intel_context *intel, __DRIimage *image, struct intel_mipmap_tree *mt, GLuint level, GLuint zoffset) { unsigned int draw_x, draw_y; uint32_t mask_x, mask_y; intel_miptree_check_level_layer(mt, level, zoffset); intel_region_get_tile_masks(mt->region, &mask_x, &mask_y, false); intel_miptree_get_image_offset(mt, level, zoffset, &draw_x, &draw_y); image->width = mt->level[level].width; image->height = mt->level[level].height; image->tile_x = draw_x & mask_x; image->tile_y = draw_y & mask_y; image->offset = intel_region_get_aligned_offset(mt->region, draw_x & ~mask_x, draw_y & ~mask_y, false); intel_region_reference(&image->region, mt->region); } static void intel_setup_image_from_dimensions(__DRIimage *image) { image->width = image->region->width; image->height = image->region->height; image->tile_x = 0; image->tile_y = 0; } static __DRIimage * intel_create_image_from_name(__DRIscreen *screen, int width, int height, int format, int name, int pitch, void *loaderPrivate) { struct intel_screen *intelScreen = screen->driverPrivate; __DRIimage *image; int cpp; image = intel_allocate_image(format, loaderPrivate); if (image == NULL) return NULL; if (image->format == MESA_FORMAT_NONE) cpp = 1; else cpp = _mesa_get_format_bytes(image->format); image->region = intel_region_alloc_for_handle(intelScreen, cpp, width, height, pitch * cpp, name, "image"); if (image->region == NULL) { free(image); return NULL; } intel_setup_image_from_dimensions(image); return image; } static __DRIimage * intel_create_image_from_renderbuffer(__DRIcontext *context, int renderbuffer, void *loaderPrivate) { __DRIimage *image; struct intel_context *intel = context->driverPrivate; struct gl_renderbuffer *rb; struct intel_renderbuffer *irb; rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer); if (!rb) { _mesa_error(&intel->ctx, GL_INVALID_OPERATION, "glRenderbufferExternalMESA"); return NULL; } irb = intel_renderbuffer(rb); image = calloc(1, sizeof *image); if (image == NULL) return NULL; image->internal_format = rb->InternalFormat; image->format = rb->Format; image->offset = 0; image->data = loaderPrivate; intel_region_reference(&image->region, irb->mt->region); intel_setup_image_from_dimensions(image); image->dri_format = driGLFormatToImageFormat(image->format); rb->NeedsFinishRenderTexture = true; return image; } static __DRIimage * intel_create_image_from_texture(__DRIcontext *context, int target, unsigned texture, int zoffset, int level, unsigned *error, void *loaderPrivate) { __DRIimage *image; struct intel_context *intel = context->driverPrivate; struct gl_texture_object *obj; struct intel_texture_object *iobj; GLuint face = 0; obj = _mesa_lookup_texture(&intel->ctx, texture); if (!obj || obj->Target != target) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; return NULL; } if (target == GL_TEXTURE_CUBE_MAP) face = zoffset; _mesa_test_texobj_completeness(&intel->ctx, obj); iobj = intel_texture_object(obj); if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; return NULL; } if (level < obj->BaseLevel || level > obj->_MaxLevel) { *error = __DRI_IMAGE_ERROR_BAD_MATCH; return NULL; } if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < zoffset) { *error = __DRI_IMAGE_ERROR_BAD_MATCH; return NULL; } image = calloc(1, sizeof *image); if (image == NULL) { *error = __DRI_IMAGE_ERROR_BAD_ALLOC; return NULL; } image->internal_format = obj->Image[face][level]->InternalFormat; image->format = obj->Image[face][level]->TexFormat; image->data = loaderPrivate; intel_setup_image_from_mipmap_tree(intel, image, iobj->mt, level, zoffset); image->dri_format = driGLFormatToImageFormat(image->format); if (image->dri_format == MESA_FORMAT_NONE) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; free(image); return NULL; } *error = __DRI_IMAGE_ERROR_SUCCESS; return image; } static void intel_destroy_image(__DRIimage *image) { intel_region_release(&image->region); free(image); } static __DRIimage * intel_create_image(__DRIscreen *screen, int width, int height, int format, unsigned int use, void *loaderPrivate) { __DRIimage *image; struct intel_screen *intelScreen = screen->driverPrivate; uint32_t tiling; int cpp; tiling = I915_TILING_X; if (use & __DRI_IMAGE_USE_CURSOR) { if (width != 64 || height != 64) return NULL; tiling = I915_TILING_NONE; } if (use & __DRI_IMAGE_USE_LINEAR) tiling = I915_TILING_NONE; image = intel_allocate_image(format, loaderPrivate); if (image == NULL) return NULL; cpp = _mesa_get_format_bytes(image->format); image->region = intel_region_alloc(intelScreen, tiling, cpp, width, height, true); if (image->region == NULL) { free(image); return NULL; } intel_setup_image_from_dimensions(image); return image; } static GLboolean intel_query_image(__DRIimage *image, int attrib, int *value) { switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: *value = image->region->pitch; return true; case __DRI_IMAGE_ATTRIB_HANDLE: *value = image->region->bo->handle; return true; case __DRI_IMAGE_ATTRIB_NAME: return intel_region_flink(image->region, (uint32_t *) value); case __DRI_IMAGE_ATTRIB_FORMAT: *value = image->dri_format; return true; case __DRI_IMAGE_ATTRIB_WIDTH: *value = image->region->width; return true; case __DRI_IMAGE_ATTRIB_HEIGHT: *value = image->region->height; return true; case __DRI_IMAGE_ATTRIB_COMPONENTS: if (image->planar_format == NULL) return false; *value = image->planar_format->components; return true; case __DRI_IMAGE_ATTRIB_FD: return !drm_intel_bo_gem_export_to_prime(image->region->bo, value); default: return false; } } static __DRIimage * intel_dup_image(__DRIimage *orig_image, void *loaderPrivate) { __DRIimage *image; image = calloc(1, sizeof *image); if (image == NULL) return NULL; intel_region_reference(&image->region, orig_image->region); if (image->region == NULL) { free(image); return NULL; } image->internal_format = orig_image->internal_format; image->planar_format = orig_image->planar_format; image->dri_format = orig_image->dri_format; image->format = orig_image->format; image->offset = orig_image->offset; image->width = orig_image->width; image->height = orig_image->height; image->tile_x = orig_image->tile_x; image->tile_y = orig_image->tile_y; image->data = loaderPrivate; memcpy(image->strides, orig_image->strides, sizeof(image->strides)); memcpy(image->offsets, orig_image->offsets, sizeof(image->offsets)); return image; } static GLboolean intel_validate_usage(__DRIimage *image, unsigned int use) { if (use & __DRI_IMAGE_USE_CURSOR) { if (image->region->width != 64 || image->region->height != 64) return GL_FALSE; } return GL_TRUE; } static __DRIimage * intel_create_image_from_names(__DRIscreen *screen, int width, int height, int fourcc, int *names, int num_names, int *strides, int *offsets, void *loaderPrivate) { struct intel_image_format *f = NULL; __DRIimage *image; int i, index; if (screen == NULL || names == NULL || num_names != 1) return NULL; for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) { if (intel_image_formats[i].fourcc == fourcc) { f = &intel_image_formats[i]; } } if (f == NULL) return NULL; image = intel_create_image_from_name(screen, width, height, __DRI_IMAGE_FORMAT_NONE, names[0], strides[0], loaderPrivate); if (image == NULL) return NULL; image->planar_format = f; for (i = 0; i < f->nplanes; i++) { index = f->planes[i].buffer_index; image->offsets[index] = offsets[index]; image->strides[index] = strides[index]; } return image; } static __DRIimage * intel_create_image_from_fds(__DRIscreen *screen, int width, int height, int fourcc, int *fds, int num_fds, int *strides, int *offsets, void *loaderPrivate) { struct intel_screen *intelScreen = screen->driverPrivate; struct intel_image_format *f = NULL; __DRIimage *image; int i, index; if (fds == NULL || num_fds != 1) return NULL; for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) { if (intel_image_formats[i].fourcc == fourcc) { f = &intel_image_formats[i]; } } if (f == NULL) return NULL; image = intel_allocate_image(__DRI_IMAGE_FORMAT_NONE, loaderPrivate); if (image == NULL) return NULL; image->region = intel_region_alloc_for_fd(intelScreen, f->planes[0].cpp, width, height, strides[0], height * strides[0], fds[0], "image"); if (image->region == NULL) { free(image); return NULL; } intel_setup_image_from_dimensions(image); image->planar_format = f; for (i = 0; i < f->nplanes; i++) { index = f->planes[i].buffer_index; image->offsets[index] = offsets[index]; image->strides[index] = strides[index]; } return image; } static __DRIimage * intel_from_planar(__DRIimage *parent, int plane, void *loaderPrivate) { int width, height, offset, stride, dri_format, index; struct intel_image_format *f; uint32_t mask_x, mask_y; __DRIimage *image; if (parent == NULL || parent->planar_format == NULL) return NULL; f = parent->planar_format; if (plane >= f->nplanes) return NULL; width = parent->region->width >> f->planes[plane].width_shift; height = parent->region->height >> f->planes[plane].height_shift; dri_format = f->planes[plane].dri_format; index = f->planes[plane].buffer_index; offset = parent->offsets[index]; stride = parent->strides[index]; image = intel_allocate_image(dri_format, loaderPrivate); if (image == NULL) return NULL; if (offset + height * stride > parent->region->bo->size) { _mesa_warning(NULL, "intel_create_sub_image: subimage out of bounds"); free(image); return NULL; } image->region = calloc(sizeof(*image->region), 1); if (image->region == NULL) { free(image); return NULL; } image->region->cpp = _mesa_get_format_bytes(image->format); image->region->width = width; image->region->height = height; image->region->pitch = stride; image->region->refcount = 1; image->region->bo = parent->region->bo; drm_intel_bo_reference(image->region->bo); image->region->tiling = parent->region->tiling; image->offset = offset; intel_setup_image_from_dimensions(image); intel_region_get_tile_masks(image->region, &mask_x, &mask_y, false); if (offset & mask_x) _mesa_warning(NULL, "intel_create_sub_image: offset not on tile boundary"); return image; } static const __DRIimageExtension intelImageExtension = { .base = { __DRI_IMAGE, 7 }, .createImageFromName = intel_create_image_from_name, .createImageFromRenderbuffer = intel_create_image_from_renderbuffer, .destroyImage = intel_destroy_image, .createImage = intel_create_image, .queryImage = intel_query_image, .dupImage = intel_dup_image, .validateUsage = intel_validate_usage, .createImageFromNames = intel_create_image_from_names, .fromPlanar = intel_from_planar, .createImageFromTexture = intel_create_image_from_texture, .createImageFromFds = intel_create_image_from_fds }; static int i915_query_renderer_integer(__DRIscreen *psp, int param, unsigned int *value) { const struct intel_screen *const intelScreen = (struct intel_screen *) psp->driverPrivate; switch (param) { case __DRI2_RENDERER_VENDOR_ID: value[0] = 0x8086; return 0; case __DRI2_RENDERER_DEVICE_ID: value[0] = intelScreen->deviceID; return 0; case __DRI2_RENDERER_ACCELERATED: value[0] = 1; return 0; case __DRI2_RENDERER_VIDEO_MEMORY: { /* Once a batch uses more than 75% of the maximum mappable size, we * assume that there's some fragmentation, and we start doing extra * flushing, etc. That's the big cliff apps will care about. */ size_t aper_size; size_t mappable_size; drm_intel_get_aperture_sizes(psp->fd, &mappable_size, &aper_size); const unsigned gpu_mappable_megabytes = (aper_size / (1024 * 1024)) * 3 / 4; const long system_memory_pages = sysconf(_SC_PHYS_PAGES); const long system_page_size = sysconf(_SC_PAGE_SIZE); if (system_memory_pages <= 0 || system_page_size <= 0) return -1; const uint64_t system_memory_bytes = (uint64_t) system_memory_pages * (uint64_t) system_page_size; const unsigned system_memory_megabytes = (unsigned) (system_memory_bytes / (1024 * 1024)); value[0] = MIN2(system_memory_megabytes, gpu_mappable_megabytes); return 0; } case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE: value[0] = 1; return 0; case __DRI2_RENDERER_HAS_TEXTURE_3D: value[0] = 1; return 0; default: return driQueryRendererIntegerCommon(psp, param, value); } return -1; } static int i915_query_renderer_string(__DRIscreen *psp, int param, const char **value) { const struct intel_screen *intelScreen = (struct intel_screen *) psp->driverPrivate; switch (param) { case __DRI2_RENDERER_VENDOR_ID: value[0] = i915_vendor_string; return 0; case __DRI2_RENDERER_DEVICE_ID: value[0] = i915_get_renderer_string(intelScreen->deviceID); return 0; default: break; } return -1; } static const __DRI2rendererQueryExtension intelRendererQueryExtension = { .base = { __DRI2_RENDERER_QUERY, 1 }, .queryInteger = i915_query_renderer_integer, .queryString = i915_query_renderer_string }; static const __DRIextension *intelScreenExtensions[] = { &intelTexBufferExtension.base, &intelFenceExtension.base, &intelFlushExtension.base, &intelImageExtension.base, &intelRendererQueryExtension.base, &dri2ConfigQueryExtension.base, NULL }; static bool intel_get_param(__DRIscreen *psp, int param, int *value) { int ret; struct drm_i915_getparam gp; memset(&gp, 0, sizeof(gp)); gp.param = param; gp.value = value; ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); if (ret) { if (ret != -EINVAL) _mesa_warning(NULL, "drm_i915_getparam: %d", ret); return false; } return true; } static bool intel_get_boolean(__DRIscreen *psp, int param) { int value = 0; return intel_get_param(psp, param, &value) && value; } static void intelDestroyScreen(__DRIscreen * sPriv) { struct intel_screen *intelScreen = sPriv->driverPrivate; dri_bufmgr_destroy(intelScreen->bufmgr); driDestroyOptionInfo(&intelScreen->optionCache); free(intelScreen); sPriv->driverPrivate = NULL; } /** * This is called when we need to set up GL rendering to a new X window. */ static GLboolean intelCreateBuffer(__DRIscreen * driScrnPriv, __DRIdrawable * driDrawPriv, const struct gl_config * mesaVis, GLboolean isPixmap) { struct intel_renderbuffer *rb; mesa_format rgbFormat; struct gl_framebuffer *fb; if (isPixmap) return false; fb = CALLOC_STRUCT(gl_framebuffer); if (!fb) return false; _mesa_initialize_window_framebuffer(fb, mesaVis); if (mesaVis->redBits == 5) rgbFormat = MESA_FORMAT_B5G6R5_UNORM; else if (mesaVis->sRGBCapable) rgbFormat = MESA_FORMAT_B8G8R8A8_SRGB; else if (mesaVis->alphaBits == 0) rgbFormat = MESA_FORMAT_B8G8R8X8_UNORM; else rgbFormat = MESA_FORMAT_B8G8R8A8_UNORM; /* setup the hardware-based renderbuffers */ rb = intel_create_renderbuffer(rgbFormat); _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base.Base); if (mesaVis->doubleBufferMode) { rb = intel_create_renderbuffer(rgbFormat); _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base.Base); } /* * Assert here that the gl_config has an expected depth/stencil bit * combination: one of d24/s8, d16/s0, d0/s0. (See intelInitScreen2(), * which constructs the advertised configs.) */ if (mesaVis->depthBits == 24) { assert(mesaVis->stencilBits == 8); /* * Use combined depth/stencil. Note that the renderbuffer is * attached to two attachment points. */ rb = intel_create_private_renderbuffer(MESA_FORMAT_Z24_UNORM_S8_UINT); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base.Base); _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base.Base); } else if (mesaVis->depthBits == 16) { assert(mesaVis->stencilBits == 0); rb = intel_create_private_renderbuffer(MESA_FORMAT_Z_UNORM16); _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base.Base); } else { assert(mesaVis->depthBits == 0); assert(mesaVis->stencilBits == 0); } /* now add any/all software-based renderbuffers we may need */ _swrast_add_soft_renderbuffers(fb, false, /* never sw color */ false, /* never sw depth */ false, /* never sw stencil */ mesaVis->accumRedBits > 0, false, /* never sw alpha */ false /* never sw aux */ ); driDrawPriv->driverPrivate = fb; return true; } static void intelDestroyBuffer(__DRIdrawable * driDrawPriv) { struct gl_framebuffer *fb = driDrawPriv->driverPrivate; _mesa_reference_framebuffer(&fb, NULL); } /* There are probably better ways to do this, such as an * init-designated function to register chipids and createcontext * functions. */ extern bool i830CreateContext(int api, const struct gl_config *mesaVis, __DRIcontext *driContextPriv, unsigned major_version, unsigned minor_version, uint32_t flags, unsigned *error, void *sharedContextPrivate); extern bool i915CreateContext(int api, const struct gl_config *mesaVis, __DRIcontext *driContextPriv, unsigned major_version, unsigned minor_version, uint32_t flags, unsigned *error, void *sharedContextPrivate); static GLboolean intelCreateContext(gl_api api, const struct gl_config * mesaVis, __DRIcontext * driContextPriv, unsigned major_version, unsigned minor_version, uint32_t flags, bool notify_reset, unsigned *error, void *sharedContextPrivate) { bool success = false; __DRIscreen *sPriv = driContextPriv->driScreenPriv; struct intel_screen *intelScreen = sPriv->driverPrivate; if (flags & ~__DRI_CTX_FLAG_DEBUG) { *error = __DRI_CTX_ERROR_UNKNOWN_FLAG; return false; } if (notify_reset) { *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; return false; } if (IS_GEN3(intelScreen->deviceID)) { success = i915CreateContext(api, mesaVis, driContextPriv, major_version, minor_version, flags, error, sharedContextPrivate); } else { intelScreen->no_vbo = true; success = i830CreateContext(api, mesaVis, driContextPriv, major_version, minor_version, flags, error, sharedContextPrivate); } if (success) return true; if (driContextPriv->driverPrivate != NULL) intelDestroyContext(driContextPriv); return false; } static bool intel_init_bufmgr(struct intel_screen *intelScreen) { __DRIscreen *spriv = intelScreen->driScrnPriv; intelScreen->no_hw = getenv("INTEL_NO_HW") != NULL; intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ); if (intelScreen->bufmgr == NULL) { fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n", __func__, __LINE__); return false; } drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr); if (!intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA)) { fprintf(stderr, "[%s: %u] Kernel 2.6.39 required.\n", __func__, __LINE__); return false; } return true; } static bool intel_detect_swizzling(struct intel_screen *screen) { drm_intel_bo *buffer; unsigned long flags = 0; unsigned long aligned_pitch; uint32_t tiling = I915_TILING_X; uint32_t swizzle_mode = 0; buffer = drm_intel_bo_alloc_tiled(screen->bufmgr, "swizzle test", 64, 64, 4, &tiling, &aligned_pitch, flags); if (buffer == NULL) return false; drm_intel_bo_get_tiling(buffer, &tiling, &swizzle_mode); drm_intel_bo_unreference(buffer); if (swizzle_mode == I915_BIT_6_SWIZZLE_NONE) return false; else return true; } static __DRIconfig** intel_screen_make_configs(__DRIscreen *dri_screen) { static const mesa_format formats[] = { MESA_FORMAT_B5G6R5_UNORM, MESA_FORMAT_B8G8R8A8_UNORM, MESA_FORMAT_B8G8R8X8_UNORM }; /* GLX_SWAP_COPY_OML is not supported due to page flipping. */ static const GLenum back_buffer_modes[] = { GLX_SWAP_UNDEFINED_OML, GLX_NONE, }; static const uint8_t singlesample_samples[1] = {0}; uint8_t depth_bits[4], stencil_bits[4]; __DRIconfig **configs = NULL; /* Generate singlesample configs without accumulation buffer. */ for (int i = 0; i < ARRAY_SIZE(formats); i++) { __DRIconfig **new_configs; int num_depth_stencil_bits = 2; /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil * buffer that has a different number of bits per pixel than the color * buffer. */ depth_bits[0] = 0; stencil_bits[0] = 0; if (formats[i] == MESA_FORMAT_B5G6R5_UNORM) { depth_bits[1] = 16; stencil_bits[1] = 0; } else { depth_bits[1] = 24; stencil_bits[1] = 8; } new_configs = driCreateConfigs(formats[i], depth_bits, stencil_bits, num_depth_stencil_bits, back_buffer_modes, 2, singlesample_samples, 1, false, false); configs = driConcatConfigs(configs, new_configs); } /* Generate the minimum possible set of configs that include an * accumulation buffer. */ for (int i = 0; i < ARRAY_SIZE(formats); i++) { __DRIconfig **new_configs; if (formats[i] == MESA_FORMAT_B5G6R5_UNORM) { depth_bits[0] = 16; stencil_bits[0] = 0; } else { depth_bits[0] = 24; stencil_bits[0] = 8; } new_configs = driCreateConfigs(formats[i], depth_bits, stencil_bits, 1, back_buffer_modes, 1, singlesample_samples, 1, true, false); configs = driConcatConfigs(configs, new_configs); } if (configs == NULL) { fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, __LINE__); return NULL; } return configs; } static void set_max_gl_versions(struct intel_screen *screen) { __DRIscreen *psp = screen->driScrnPriv; switch (screen->gen) { case 3: { bool has_fragment_shader = driQueryOptionb(&screen->optionCache, "fragment_shader"); bool has_occlusion_query = driQueryOptionb(&screen->optionCache, "stub_occlusion_query"); psp->max_gl_core_version = 0; psp->max_gl_es1_version = 11; psp->max_gl_es2_version = 20; if (has_fragment_shader && has_occlusion_query) { psp->max_gl_compat_version = 21; } else { psp->max_gl_compat_version = 14; } break; } case 2: psp->max_gl_core_version = 0; psp->max_gl_compat_version = 13; psp->max_gl_es1_version = 11; psp->max_gl_es2_version = 0; break; default: assert(!"unrecognized intel_screen::gen"); break; } } /** * This is the driver specific part of the createNewScreen entry point. * Called when using DRI2. * * \return the struct gl_config supported by this driver */ static const __DRIconfig **intelInitScreen2(__DRIscreen *psp) { struct intel_screen *intelScreen; if (psp->image.loader) { } else if (psp->dri2.loader->base.version <= 2 || psp->dri2.loader->getBuffersWithFormat == NULL) { fprintf(stderr, "\nERROR! DRI2 loader with getBuffersWithFormat() " "support required\n"); return false; } /* Allocate the private area */ intelScreen = calloc(1, sizeof *intelScreen); if (!intelScreen) { fprintf(stderr, "\nERROR! Allocating private area failed\n"); return false; } /* parse information in __driConfigOptions */ driParseOptionInfo(&intelScreen->optionCache, i915_config_options.xml); intelScreen->driScrnPriv = psp; psp->driverPrivate = (void *) intelScreen; if (!intel_init_bufmgr(intelScreen)) return false; intelScreen->deviceID = drm_intel_bufmgr_gem_get_devid(intelScreen->bufmgr); if (IS_GEN3(intelScreen->deviceID)) { intelScreen->gen = 3; } else { intelScreen->gen = 2; } intelScreen->hw_has_swizzling = intel_detect_swizzling(intelScreen); set_max_gl_versions(intelScreen); psp->extensions = intelScreenExtensions; return (const __DRIconfig**) intel_screen_make_configs(psp); } struct intel_buffer { __DRIbuffer base; struct intel_region *region; }; static __DRIbuffer * intelAllocateBuffer(__DRIscreen *screen, unsigned attachment, unsigned format, int width, int height) { struct intel_buffer *intelBuffer; struct intel_screen *intelScreen = screen->driverPrivate; assert(attachment == __DRI_BUFFER_FRONT_LEFT || attachment == __DRI_BUFFER_BACK_LEFT); intelBuffer = calloc(1, sizeof *intelBuffer); if (intelBuffer == NULL) return NULL; /* The front and back buffers are color buffers, which are X tiled. */ intelBuffer->region = intel_region_alloc(intelScreen, I915_TILING_X, format / 8, width, height, true); if (intelBuffer->region == NULL) { free(intelBuffer); return NULL; } intel_region_flink(intelBuffer->region, &intelBuffer->base.name); intelBuffer->base.attachment = attachment; intelBuffer->base.cpp = intelBuffer->region->cpp; intelBuffer->base.pitch = intelBuffer->region->pitch; return &intelBuffer->base; } static void intelReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer) { struct intel_buffer *intelBuffer = (struct intel_buffer *) buffer; intel_region_release(&intelBuffer->region); free(intelBuffer); } static const struct __DriverAPIRec i915_driver_api = { .InitScreen = intelInitScreen2, .DestroyScreen = intelDestroyScreen, .CreateContext = intelCreateContext, .DestroyContext = intelDestroyContext, .CreateBuffer = intelCreateBuffer, .DestroyBuffer = intelDestroyBuffer, .MakeCurrent = intelMakeCurrent, .UnbindContext = intelUnbindContext, .AllocateBuffer = intelAllocateBuffer, .ReleaseBuffer = intelReleaseBuffer }; static const struct __DRIDriverVtableExtensionRec i915_vtable = { .base = { __DRI_DRIVER_VTABLE, 1 }, .vtable = &i915_driver_api, }; /* This is the table of extensions that the loader will dlsym() for. */ static const __DRIextension *i915_driver_extensions[] = { &driCoreExtension.base, &driImageDriverExtension.base, &driDRI2Extension.base, &i915_vtable.base, &i915_config_options.base, NULL }; PUBLIC const __DRIextension **__driDriverGetExtensions_i915(void) { globalDriverAPI = &i915_driver_api; return i915_driver_extensions; }