| /************************************************************************** |
| * |
| * 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 <errno.h> |
| #include <time.h> |
| #include <unistd.h> |
| #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); |
| 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); |
| |
| 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); |
| 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_attach_and_own_rb(fb, BUFFER_FRONT_LEFT, &rb->Base.Base); |
| |
| if (mesaVis->doubleBufferMode) { |
| rb = intel_create_renderbuffer(rgbFormat); |
| _mesa_attach_and_own_rb(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_attach_and_own_rb(fb, BUFFER_DEPTH, &rb->Base.Base); |
| _mesa_attach_and_reference_rb(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_attach_and_own_rb(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; |
| } |