| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "gpu/command_buffer/service/shared_image_backing_factory_gl_texture.h" |
| |
| #include "base/feature_list.h" |
| #include "base/trace_event/memory_dump_manager.h" |
| #include "base/trace_event/trace_event.h" |
| #include "components/viz/common/resources/resource_format_utils.h" |
| #include "gpu/command_buffer/common/gles2_cmd_utils.h" |
| #include "gpu/command_buffer/common/gpu_memory_buffer_support.h" |
| #include "gpu/command_buffer/common/shared_image_trace_utils.h" |
| #include "gpu/command_buffer/common/shared_image_usage.h" |
| #include "gpu/command_buffer/service/gles2_cmd_decoder.h" |
| #include "gpu/command_buffer/service/image_factory.h" |
| #include "gpu/command_buffer/service/mailbox_manager.h" |
| #include "gpu/command_buffer/service/service_utils.h" |
| #include "gpu/command_buffer/service/shared_image_backing.h" |
| #include "gpu/command_buffer/service/shared_image_representation.h" |
| #include "gpu/command_buffer/service/skia_utils.h" |
| #include "gpu/config/gpu_finch_features.h" |
| #include "gpu/config/gpu_preferences.h" |
| #include "third_party/skia/include/gpu/GrBackendSurface.h" |
| #include "ui/gfx/color_space.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_gl_api_implementation.h" |
| #include "ui/gl/gl_image_shared_memory.h" |
| #include "ui/gl/gl_version_info.h" |
| #include "ui/gl/trace_util.h" |
| |
| namespace gpu { |
| |
| namespace { |
| |
| class ScopedResetAndRestoreUnpackState { |
| public: |
| ScopedResetAndRestoreUnpackState(gl::GLApi* api, |
| bool es3_capable, |
| bool desktop_gl, |
| bool supports_unpack_subimage, |
| bool uploading_data) |
| : api_(api) { |
| if (es3_capable) { |
| // Need to unbind any GL_PIXEL_UNPACK_BUFFER for the nullptr in |
| // glTexImage2D to mean "no pixels" (as opposed to offset 0 in the |
| // buffer). |
| api_->glGetIntegervFn(GL_PIXEL_UNPACK_BUFFER_BINDING, &unpack_buffer_); |
| if (unpack_buffer_) |
| api_->glBindBufferFn(GL_PIXEL_UNPACK_BUFFER, 0); |
| } |
| if (uploading_data) { |
| api_->glGetIntegervFn(GL_UNPACK_ALIGNMENT, &unpack_alignment_); |
| if (unpack_alignment_ != 4) |
| api_->glPixelStoreiFn(GL_UNPACK_ALIGNMENT, 4); |
| |
| if (es3_capable || supports_unpack_subimage) { |
| api_->glGetIntegervFn(GL_UNPACK_ROW_LENGTH, &unpack_row_length_); |
| if (unpack_row_length_) |
| api_->glPixelStoreiFn(GL_UNPACK_ROW_LENGTH, 0); |
| api_->glGetIntegervFn(GL_UNPACK_SKIP_ROWS, &unpack_skip_rows_); |
| if (unpack_skip_rows_) |
| api_->glPixelStoreiFn(GL_UNPACK_SKIP_ROWS, 0); |
| api_->glGetIntegervFn(GL_UNPACK_SKIP_PIXELS, &unpack_skip_pixels_); |
| if (unpack_skip_pixels_) |
| api_->glPixelStoreiFn(GL_UNPACK_SKIP_PIXELS, 0); |
| } |
| |
| if (es3_capable) { |
| api_->glGetIntegervFn(GL_UNPACK_SKIP_IMAGES, &unpack_skip_images_); |
| if (unpack_skip_images_) |
| api_->glPixelStoreiFn(GL_UNPACK_SKIP_IMAGES, 0); |
| api_->glGetIntegervFn(GL_UNPACK_IMAGE_HEIGHT, &unpack_image_height_); |
| if (unpack_image_height_) |
| api_->glPixelStoreiFn(GL_UNPACK_IMAGE_HEIGHT, 0); |
| } |
| |
| if (desktop_gl) { |
| api->glGetBooleanvFn(GL_UNPACK_SWAP_BYTES, &unpack_swap_bytes_); |
| if (unpack_swap_bytes_) |
| api->glPixelStoreiFn(GL_UNPACK_SWAP_BYTES, GL_FALSE); |
| api->glGetBooleanvFn(GL_UNPACK_LSB_FIRST, &unpack_lsb_first_); |
| if (unpack_lsb_first_) |
| api->glPixelStoreiFn(GL_UNPACK_LSB_FIRST, GL_FALSE); |
| } |
| } |
| } |
| |
| ~ScopedResetAndRestoreUnpackState() { |
| if (unpack_buffer_) |
| api_->glBindBufferFn(GL_PIXEL_UNPACK_BUFFER, unpack_buffer_); |
| if (unpack_alignment_ != 4) |
| api_->glPixelStoreiFn(GL_UNPACK_ALIGNMENT, unpack_alignment_); |
| if (unpack_row_length_) |
| api_->glPixelStoreiFn(GL_UNPACK_ROW_LENGTH, unpack_row_length_); |
| if (unpack_image_height_) |
| api_->glPixelStoreiFn(GL_UNPACK_IMAGE_HEIGHT, unpack_image_height_); |
| if (unpack_skip_rows_) |
| api_->glPixelStoreiFn(GL_UNPACK_SKIP_ROWS, unpack_skip_rows_); |
| if (unpack_skip_images_) |
| api_->glPixelStoreiFn(GL_UNPACK_SKIP_IMAGES, unpack_skip_images_); |
| if (unpack_skip_pixels_) |
| api_->glPixelStoreiFn(GL_UNPACK_SKIP_PIXELS, unpack_skip_pixels_); |
| if (unpack_swap_bytes_) |
| api_->glPixelStoreiFn(GL_UNPACK_SWAP_BYTES, unpack_swap_bytes_); |
| if (unpack_lsb_first_) |
| api_->glPixelStoreiFn(GL_UNPACK_LSB_FIRST, unpack_lsb_first_); |
| } |
| |
| private: |
| gl::GLApi* const api_; |
| |
| // Always used if |es3_capable|. |
| GLint unpack_buffer_ = 0; |
| |
| // Always used when |uploading_data|. |
| GLint unpack_alignment_ = 4; |
| |
| // Used when |uploading_data_| and (|es3_capable| or |
| // |supports_unpack_subimage|). |
| GLint unpack_row_length_ = 0; |
| GLint unpack_skip_pixels_ = 0; |
| GLint unpack_skip_rows_ = 0; |
| |
| // Used when |uploading_data| and |es3_capable|. |
| GLint unpack_skip_images_ = 0; |
| GLint unpack_image_height_ = 0; |
| |
| // Used when |desktop_gl|. |
| GLboolean unpack_swap_bytes_ = GL_FALSE; |
| GLboolean unpack_lsb_first_ = GL_FALSE; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedResetAndRestoreUnpackState); |
| }; |
| |
| class ScopedRestoreTexture { |
| public: |
| ScopedRestoreTexture(gl::GLApi* api, GLenum target) |
| : api_(api), target_(target) { |
| GLenum get_target = GL_TEXTURE_BINDING_2D; |
| switch (target) { |
| case GL_TEXTURE_2D: |
| get_target = GL_TEXTURE_BINDING_2D; |
| break; |
| case GL_TEXTURE_RECTANGLE_ARB: |
| get_target = GL_TEXTURE_BINDING_RECTANGLE_ARB; |
| break; |
| case GL_TEXTURE_EXTERNAL_OES: |
| get_target = GL_TEXTURE_BINDING_EXTERNAL_OES; |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| GLint old_texture_binding = 0; |
| api->glGetIntegervFn(get_target, &old_texture_binding); |
| old_binding_ = old_texture_binding; |
| } |
| |
| ~ScopedRestoreTexture() { api_->glBindTextureFn(target_, old_binding_); } |
| |
| private: |
| gl::GLApi* api_; |
| GLenum target_; |
| GLuint old_binding_ = 0; |
| DISALLOW_COPY_AND_ASSIGN(ScopedRestoreTexture); |
| }; |
| |
| GLuint MakeTextureAndSetParameters(gl::GLApi* api, |
| GLenum target, |
| bool framebuffer_attachment_angle) { |
| GLuint service_id = 0; |
| api->glGenTexturesFn(1, &service_id); |
| api->glBindTextureFn(target, service_id); |
| api->glTexParameteriFn(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| api->glTexParameteriFn(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| api->glTexParameteriFn(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| api->glTexParameteriFn(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| if (framebuffer_attachment_angle) { |
| api->glTexParameteriFn(target, GL_TEXTURE_USAGE_ANGLE, |
| GL_FRAMEBUFFER_ATTACHMENT_ANGLE); |
| } |
| return service_id; |
| } |
| |
| } // anonymous namespace |
| |
| // Representation of a SharedImageBackingGLTexture as a GL Texture. |
| class SharedImageRepresentationGLTextureImpl |
| : public SharedImageRepresentationGLTexture { |
| public: |
| SharedImageRepresentationGLTextureImpl(SharedImageManager* manager, |
| SharedImageBacking* backing, |
| MemoryTypeTracker* tracker, |
| gles2::Texture* texture) |
| : SharedImageRepresentationGLTexture(manager, backing, tracker), |
| texture_(texture) {} |
| |
| gles2::Texture* GetTexture() override { return texture_; } |
| |
| private: |
| gles2::Texture* texture_; |
| }; |
| |
| // Representation of a SharedImageBackingGLTexturePassthrough as a GL |
| // TexturePassthrough. |
| class SharedImageRepresentationGLTexturePassthroughImpl |
| : public SharedImageRepresentationGLTexturePassthrough { |
| public: |
| SharedImageRepresentationGLTexturePassthroughImpl( |
| SharedImageManager* manager, |
| SharedImageBacking* backing, |
| MemoryTypeTracker* tracker, |
| scoped_refptr<gles2::TexturePassthrough> texture_passthrough) |
| : SharedImageRepresentationGLTexturePassthrough(manager, |
| backing, |
| tracker), |
| texture_passthrough_(std::move(texture_passthrough)) {} |
| |
| const scoped_refptr<gles2::TexturePassthrough>& GetTexturePassthrough() |
| override { |
| return texture_passthrough_; |
| } |
| |
| private: |
| scoped_refptr<gles2::TexturePassthrough> texture_passthrough_; |
| }; |
| |
| class SharedImageRepresentationSkiaImpl : public SharedImageRepresentationSkia { |
| public: |
| SharedImageRepresentationSkiaImpl(SharedImageManager* manager, |
| SharedImageBacking* backing, |
| MemoryTypeTracker* tracker, |
| GLenum target, |
| GLuint service_id) |
| : SharedImageRepresentationSkia(manager, backing, tracker), |
| target_(target), |
| service_id_(service_id) {} |
| |
| ~SharedImageRepresentationSkiaImpl() override { DCHECK(!write_surface_); } |
| |
| sk_sp<SkSurface> BeginWriteAccess( |
| GrContext* gr_context, |
| int final_msaa_count, |
| const SkSurfaceProps& surface_props) override { |
| if (write_surface_) |
| return nullptr; |
| |
| GrBackendTexture backend_texture; |
| if (!GetGrBackendTexture(gl::GLContext::GetCurrent()->GetVersionInfo(), |
| target_, size(), service_id_, format(), |
| &backend_texture)) { |
| return nullptr; |
| } |
| SkColorType sk_color_type = viz::ResourceFormatToClosestSkColorType( |
| /*gpu_compositing=*/true, format()); |
| auto surface = SkSurface::MakeFromBackendTextureAsRenderTarget( |
| gr_context, backend_texture, kTopLeft_GrSurfaceOrigin, final_msaa_count, |
| sk_color_type, nullptr, &surface_props); |
| write_surface_ = surface.get(); |
| return surface; |
| } |
| |
| void EndWriteAccess(sk_sp<SkSurface> surface) override { |
| DCHECK_EQ(surface.get(), write_surface_); |
| DCHECK(surface->unique()); |
| // TODO(ericrk): Keep the surface around for re-use. |
| write_surface_ = nullptr; |
| } |
| |
| bool BeginReadAccess(SkSurface* sk_surface, |
| GrBackendTexture* backend_texture) override { |
| if (!GetGrBackendTexture(gl::GLContext::GetCurrent()->GetVersionInfo(), |
| target_, size(), service_id_, format(), |
| backend_texture)) { |
| return false; |
| } |
| return true; |
| } |
| |
| void EndReadAccess() override { |
| // TODO(ericrk): Handle begin/end correctness checks. |
| } |
| |
| private: |
| GLenum target_; |
| GLuint service_id_; |
| |
| SkSurface* write_surface_ = nullptr; |
| }; |
| |
| // Implementation of SharedImageBacking that creates a GL Texture and stores it |
| // as a gles2::Texture. Can be used with the legacy mailbox implementation. |
| class SharedImageBackingGLTexture : public SharedImageBacking { |
| public: |
| SharedImageBackingGLTexture(const Mailbox& mailbox, |
| viz::ResourceFormat format, |
| const gfx::Size& size, |
| const gfx::ColorSpace& color_space, |
| uint32_t usage, |
| gles2::Texture* texture) |
| : SharedImageBacking(mailbox, |
| format, |
| size, |
| color_space, |
| usage, |
| texture->estimated_size()), |
| texture_(texture) { |
| DCHECK(texture_); |
| } |
| |
| ~SharedImageBackingGLTexture() override { DCHECK(!texture_); } |
| |
| bool IsCleared() const override { |
| return texture_->IsLevelCleared(texture_->target(), 0); |
| } |
| |
| void SetCleared() override { |
| texture_->SetLevelCleared(texture_->target(), 0, true); |
| } |
| |
| void Update() override { |
| GLenum target = texture_->target(); |
| gl::GLApi* api = gl::g_current_gl_context; |
| ScopedRestoreTexture scoped_restore(api, target); |
| api->glBindTextureFn(target, texture_->service_id()); |
| |
| gles2::Texture::ImageState old_state = gles2::Texture::UNBOUND; |
| gl::GLImage* image = texture_->GetLevelImage(target, 0, &old_state); |
| if (!image) |
| return; |
| image->ReleaseTexImage(target); |
| gles2::Texture::ImageState new_state = gles2::Texture::UNBOUND; |
| if (image->BindTexImage(target)) |
| new_state = gles2::Texture::BOUND; |
| if (old_state != new_state) |
| texture_->SetLevelImage(target, 0, image, new_state); |
| } |
| |
| bool ProduceLegacyMailbox(MailboxManager* mailbox_manager) override { |
| DCHECK(texture_); |
| mailbox_manager->ProduceTexture(mailbox(), texture_); |
| return true; |
| } |
| |
| void Destroy() override { |
| DCHECK(texture_); |
| texture_->RemoveLightweightRef(have_context()); |
| texture_ = nullptr; |
| } |
| |
| void OnMemoryDump(const std::string& dump_name, |
| base::trace_event::MemoryAllocatorDump* dump, |
| base::trace_event::ProcessMemoryDump* pmd, |
| uint64_t client_tracing_id) override { |
| // Add a |service_guid| which expresses shared ownership between the |
| // various GPU dumps. |
| auto client_guid = GetSharedImageGUIDForTracing(mailbox()); |
| auto service_guid = |
| gl::GetGLTextureServiceGUIDForTracing(texture_->service_id()); |
| pmd->CreateSharedGlobalAllocatorDump(service_guid); |
| // TODO(piman): coalesce constant with TextureManager::DumpTextureRef. |
| int importance = 2; // This client always owns the ref. |
| |
| pmd->AddOwnershipEdge(client_guid, service_guid, importance); |
| |
| // Dump all sub-levels held by the texture. They will appear below the |
| // main gl/textures/client_X/mailbox_Y dump. |
| texture_->DumpLevelMemory(pmd, client_tracing_id, dump_name); |
| } |
| |
| protected: |
| std::unique_ptr<SharedImageRepresentationGLTexture> ProduceGLTexture( |
| SharedImageManager* manager, |
| MemoryTypeTracker* tracker) override { |
| return std::make_unique<SharedImageRepresentationGLTextureImpl>( |
| manager, this, tracker, texture_); |
| } |
| std::unique_ptr<SharedImageRepresentationSkia> ProduceSkia( |
| SharedImageManager* manager, |
| MemoryTypeTracker* tracker) override { |
| return std::make_unique<SharedImageRepresentationSkiaImpl>( |
| manager, this, tracker, texture_->target(), texture_->service_id()); |
| } |
| |
| private: |
| gles2::Texture* texture_ = nullptr; |
| }; |
| |
| // Implementation of SharedImageBacking that creates a GL Texture and stores it |
| // as a gles2::TexturePassthrough. Can be used with the legacy mailbox |
| // implementation. |
| class SharedImageBackingPassthroughGLTexture : public SharedImageBacking { |
| public: |
| SharedImageBackingPassthroughGLTexture( |
| const Mailbox& mailbox, |
| viz::ResourceFormat format, |
| const gfx::Size& size, |
| const gfx::ColorSpace& color_space, |
| uint32_t usage, |
| scoped_refptr<gles2::TexturePassthrough> passthrough_texture, |
| bool is_cleared) |
| : SharedImageBacking(mailbox, |
| format, |
| size, |
| color_space, |
| usage, |
| passthrough_texture->estimated_size()), |
| texture_passthrough_(std::move(passthrough_texture)), |
| is_cleared_(is_cleared) { |
| DCHECK(texture_passthrough_); |
| } |
| |
| ~SharedImageBackingPassthroughGLTexture() override { |
| DCHECK(!texture_passthrough_); |
| } |
| |
| bool IsCleared() const override { return is_cleared_; } |
| void SetCleared() override { is_cleared_ = true; } |
| |
| void Update() override { |
| GLenum target = texture_passthrough_->target(); |
| gl::GLApi* api = gl::g_current_gl_context; |
| ScopedRestoreTexture scoped_restore(api, target); |
| api->glBindTextureFn(target, texture_passthrough_->service_id()); |
| |
| gl::GLImage* image = texture_passthrough_->GetLevelImage(target, 0); |
| if (!image) |
| return; |
| image->ReleaseTexImage(target); |
| if (!image->BindTexImage(target)) |
| image->CopyTexImage(target); |
| } |
| |
| bool ProduceLegacyMailbox(MailboxManager* mailbox_manager) override { |
| DCHECK(texture_passthrough_); |
| mailbox_manager->ProduceTexture(mailbox(), texture_passthrough_.get()); |
| return true; |
| } |
| |
| void Destroy() override { |
| DCHECK(texture_passthrough_); |
| if (!have_context()) |
| texture_passthrough_->MarkContextLost(); |
| texture_passthrough_.reset(); |
| } |
| |
| void OnMemoryDump(const std::string& dump_name, |
| base::trace_event::MemoryAllocatorDump* dump, |
| base::trace_event::ProcessMemoryDump* pmd, |
| uint64_t client_tracing_id) override { |
| // Add a |service_guid| which expresses shared ownership between the |
| // various GPU dumps. |
| auto client_guid = GetSharedImageGUIDForTracing(mailbox()); |
| auto service_guid = gl::GetGLTextureServiceGUIDForTracing( |
| texture_passthrough_->service_id()); |
| pmd->CreateSharedGlobalAllocatorDump(service_guid); |
| |
| int importance = 2; // This client always owns the ref. |
| pmd->AddOwnershipEdge(client_guid, service_guid, importance); |
| |
| auto* gl_image = texture_passthrough_->GetLevelImage( |
| texture_passthrough_->target(), /*level=*/0); |
| if (gl_image) |
| gl_image->OnMemoryDump(pmd, client_tracing_id, dump_name); |
| } |
| |
| protected: |
| std::unique_ptr<SharedImageRepresentationGLTexturePassthrough> |
| ProduceGLTexturePassthrough(SharedImageManager* manager, |
| MemoryTypeTracker* tracker) override { |
| return std::make_unique<SharedImageRepresentationGLTexturePassthroughImpl>( |
| manager, this, tracker, texture_passthrough_); |
| } |
| std::unique_ptr<SharedImageRepresentationSkia> ProduceSkia( |
| SharedImageManager* manager, |
| MemoryTypeTracker* tracker) override { |
| return std::make_unique<SharedImageRepresentationSkiaImpl>( |
| manager, this, tracker, texture_passthrough_->target(), |
| texture_passthrough_->service_id()); |
| } |
| |
| private: |
| scoped_refptr<gles2::TexturePassthrough> texture_passthrough_; |
| bool is_cleared_ = false; |
| }; |
| |
| SharedImageBackingFactoryGLTexture::SharedImageBackingFactoryGLTexture( |
| const GpuPreferences& gpu_preferences, |
| const GpuDriverBugWorkarounds& workarounds, |
| const GpuFeatureInfo& gpu_feature_info, |
| ImageFactory* image_factory) |
| : use_passthrough_(gpu_preferences.use_passthrough_cmd_decoder && |
| gles2::PassthroughCommandDecoderSupported()), |
| image_factory_(image_factory) { |
| gl::GLApi* api = gl::g_current_gl_context; |
| api->glGetIntegervFn(GL_MAX_TEXTURE_SIZE, &max_texture_size_); |
| if (workarounds.max_texture_size) { |
| max_texture_size_ = |
| std::min(max_texture_size_, workarounds.max_texture_size); |
| } |
| |
| // TODO(piman): Can we extract the logic out of FeatureInfo? |
| scoped_refptr<gles2::FeatureInfo> feature_info = |
| new gles2::FeatureInfo(workarounds, gpu_feature_info); |
| feature_info->Initialize(ContextType::CONTEXT_TYPE_OPENGLES2, |
| use_passthrough_, gles2::DisallowedFeatures()); |
| gpu_memory_buffer_formats_ = |
| feature_info->feature_flags().gpu_memory_buffer_formats; |
| texture_usage_angle_ = feature_info->feature_flags().angle_texture_usage; |
| es3_capable_ = feature_info->IsES3Capable(); |
| desktop_gl_ = !feature_info->gl_version_info().is_es; |
| // Can't use the value from feature_info, as we unconditionally enable this |
| // extension, and assume it can't be used if PBOs are not used (which isn't |
| // true for Skia used direclty against GL). |
| supports_unpack_subimage_ = |
| gl::g_current_gl_driver->ext.b_GL_EXT_unpack_subimage; |
| bool enable_texture_storage = |
| feature_info->feature_flags().ext_texture_storage; |
| bool enable_scanout_images = |
| (image_factory_ && image_factory_->SupportsCreateAnonymousImage()); |
| const gles2::Validators* validators = feature_info->validators(); |
| for (int i = 0; i <= viz::RESOURCE_FORMAT_MAX; ++i) { |
| auto format = static_cast<viz::ResourceFormat>(i); |
| FormatInfo& info = format_info_[i]; |
| if (!viz::GLSupportsFormat(format)) |
| continue; |
| GLuint image_internal_format = viz::GLInternalFormat(format); |
| GLenum gl_format = viz::GLDataFormat(format); |
| GLenum gl_type = viz::GLDataType(format); |
| bool uncompressed_format_valid = |
| validators->texture_internal_format.IsValid(image_internal_format) && |
| validators->texture_format.IsValid(gl_format); |
| bool compressed_format_valid = |
| validators->compressed_texture_format.IsValid(image_internal_format); |
| if ((uncompressed_format_valid || compressed_format_valid) && |
| validators->pixel_type.IsValid(gl_type)) { |
| info.enabled = true; |
| info.is_compressed = compressed_format_valid; |
| info.gl_format = gl_format; |
| info.gl_type = gl_type; |
| info.swizzle = gles2::TextureManager::GetCompatibilitySwizzle( |
| feature_info.get(), gl_format); |
| info.image_internal_format = |
| gles2::TextureManager::AdjustTexInternalFormat(feature_info.get(), |
| image_internal_format); |
| info.adjusted_format = |
| gles2::TextureManager::AdjustTexFormat(feature_info.get(), gl_format); |
| } |
| if (!info.enabled) |
| continue; |
| if (enable_texture_storage && !info.is_compressed) { |
| GLuint storage_internal_format = viz::TextureStorageFormat(format); |
| if (validators->texture_internal_format_storage.IsValid( |
| storage_internal_format)) { |
| info.supports_storage = true; |
| info.storage_internal_format = |
| gles2::TextureManager::AdjustTexStorageFormat( |
| feature_info.get(), storage_internal_format); |
| } |
| } |
| if (!info.enabled || !enable_scanout_images || |
| !IsGpuMemoryBufferFormatSupported(format)) |
| continue; |
| gfx::BufferFormat buffer_format = viz::BufferFormat(format); |
| switch (buffer_format) { |
| case gfx::BufferFormat::RGBA_8888: |
| case gfx::BufferFormat::BGRA_8888: |
| case gfx::BufferFormat::RGBA_F16: |
| case gfx::BufferFormat::R_8: |
| break; |
| default: |
| continue; |
| } |
| info.allow_scanout = true; |
| info.buffer_format = buffer_format; |
| DCHECK_EQ(info.gl_format, |
| gpu::InternalFormatForGpuMemoryBufferFormat(buffer_format)); |
| if (base::ContainsValue(gpu_preferences.texture_target_exception_list, |
| gfx::BufferUsageAndFormat(gfx::BufferUsage::SCANOUT, |
| buffer_format))) |
| info.target_for_scanout = gpu::GetPlatformSpecificTextureTarget(); |
| } |
| } |
| |
| SharedImageBackingFactoryGLTexture::~SharedImageBackingFactoryGLTexture() = |
| default; |
| |
| std::unique_ptr<SharedImageBacking> |
| SharedImageBackingFactoryGLTexture::CreateSharedImage( |
| const Mailbox& mailbox, |
| viz::ResourceFormat format, |
| const gfx::Size& size, |
| const gfx::ColorSpace& color_space, |
| uint32_t usage) { |
| return CreateSharedImage(mailbox, format, size, color_space, usage, |
| base::span<const uint8_t>()); |
| } |
| |
| std::unique_ptr<SharedImageBacking> |
| SharedImageBackingFactoryGLTexture::CreateSharedImage( |
| const Mailbox& mailbox, |
| viz::ResourceFormat format, |
| const gfx::Size& size, |
| const gfx::ColorSpace& color_space, |
| uint32_t usage, |
| base::span<const uint8_t> pixel_data) { |
| const FormatInfo& format_info = format_info_[format]; |
| if (!format_info.enabled) { |
| LOG(ERROR) << "CreateSharedImage: invalid format"; |
| return nullptr; |
| } |
| |
| const bool use_buffer = usage & SHARED_IMAGE_USAGE_SCANOUT; |
| if (use_buffer && !format_info.allow_scanout) { |
| LOG(ERROR) << "CreateSharedImage: SCANOUT shared images unavailable"; |
| return nullptr; |
| } |
| |
| if (size.width() < 1 || size.height() < 1 || |
| size.width() > max_texture_size_ || size.height() > max_texture_size_) { |
| LOG(ERROR) << "CreateSharedImage: invalid size"; |
| return nullptr; |
| } |
| |
| GLenum target = use_buffer ? format_info.target_for_scanout : GL_TEXTURE_2D; |
| |
| // If we have initial data to upload, ensure it is sized appropriately. |
| if (!pixel_data.empty()) { |
| if (format_info.is_compressed) { |
| const char* error_message = "unspecified"; |
| if (!gles2::ValidateCompressedTexDimensions( |
| target, 0 /* level */, size.width(), size.height(), 1 /* depth */, |
| format_info.gl_format, false /* restrict_for_webgl */, |
| &error_message)) { |
| LOG(ERROR) << "CreateSharedImage: " |
| "ValidateCompressedTexDimensionsFailed with error: " |
| << error_message; |
| return nullptr; |
| } |
| |
| GLsizei bytes_required = 0; |
| if (!gles2::GetCompressedTexSizeInBytes( |
| nullptr /* function_name */, size.width(), size.height(), |
| 1 /* depth */, format_info.gl_format, &bytes_required, |
| nullptr /* error_state */)) { |
| LOG(ERROR) << "CreateSharedImage: Unable to compute required size for " |
| "initial texture upload."; |
| return nullptr; |
| } |
| |
| if (bytes_required < 0 || |
| pixel_data.size() != static_cast<size_t>(bytes_required)) { |
| LOG(ERROR) << "CreateSharedImage: Initial data does not have expected " |
| "size."; |
| return nullptr; |
| } |
| } else { |
| uint32_t bytes_required; |
| if (!gles2::GLES2Util::ComputeImageDataSizes( |
| size.width(), size.height(), 1 /* depth */, format_info.gl_format, |
| format_info.gl_type, 4 /* alignment */, &bytes_required, nullptr, |
| nullptr)) { |
| LOG(ERROR) << "CreateSharedImage: Unable to compute required size for " |
| "initial texture upload."; |
| return nullptr; |
| } |
| if (pixel_data.size() != bytes_required) { |
| LOG(ERROR) << "CreateSharedImage: Initial data does not have expected " |
| "size."; |
| return nullptr; |
| } |
| } |
| } |
| |
| gl::GLApi* api = gl::g_current_gl_context; |
| ScopedRestoreTexture scoped_restore(api, target); |
| |
| const bool for_framebuffer_attachment = |
| (usage & (SHARED_IMAGE_USAGE_RASTER | |
| SHARED_IMAGE_USAGE_GLES2_FRAMEBUFFER_HINT)) != 0; |
| GLuint service_id = MakeTextureAndSetParameters( |
| api, target, for_framebuffer_attachment && texture_usage_angle_); |
| |
| scoped_refptr<gl::GLImage> image; |
| // TODO(piman): We pretend the texture was created in an ES2 context, so that |
| // it can be used in other ES2 contexts, and so we have to pass gl_format as |
| // the internal format in the LevelInfo. https://crbug.com/628064 |
| GLuint level_info_internal_format = format_info.gl_format; |
| bool is_cleared = false; |
| bool needs_subimage_upload = false; |
| if (use_buffer) { |
| image = image_factory_->CreateAnonymousImage( |
| size, format_info.buffer_format, gfx::BufferUsage::SCANOUT, |
| &is_cleared); |
| if (!image || !image->BindTexImage(target)) { |
| LOG(ERROR) << "CreateSharedImage: Failed to create image"; |
| api->glDeleteTexturesFn(1, &service_id); |
| return nullptr; |
| } |
| level_info_internal_format = image->GetInternalFormat(); |
| if (color_space.IsValid()) |
| image->SetColorSpace(color_space); |
| needs_subimage_upload = !pixel_data.empty(); |
| } else if (format_info.supports_storage) { |
| api->glTexStorage2DEXTFn(target, 1, format_info.storage_internal_format, |
| size.width(), size.height()); |
| needs_subimage_upload = !pixel_data.empty(); |
| } else if (format_info.is_compressed) { |
| ScopedResetAndRestoreUnpackState scoped_unpack_state( |
| api, es3_capable_, desktop_gl_, supports_unpack_subimage_, |
| !pixel_data.empty()); |
| api->glCompressedTexImage2DFn(target, 0, format_info.gl_format, |
| size.width(), size.height(), 0, |
| pixel_data.size(), pixel_data.data()); |
| } else { |
| ScopedResetAndRestoreUnpackState scoped_unpack_state( |
| api, es3_capable_, desktop_gl_, supports_unpack_subimage_, |
| !pixel_data.empty()); |
| api->glTexImage2DFn(target, 0, format_info.image_internal_format, |
| size.width(), size.height(), 0, |
| format_info.adjusted_format, format_info.gl_type, |
| pixel_data.data()); |
| } |
| |
| // If we are using a buffer or TexStorage API but have data to upload, do so |
| // now via TexSubImage2D. |
| if (needs_subimage_upload) { |
| ScopedResetAndRestoreUnpackState scoped_unpack_state( |
| api, es3_capable_, desktop_gl_, supports_unpack_subimage_, |
| !pixel_data.empty()); |
| api->glTexSubImage2DFn(target, 0, 0, 0, size.width(), size.height(), |
| format_info.adjusted_format, format_info.gl_type, |
| pixel_data.data()); |
| } |
| |
| return MakeBacking(mailbox, target, service_id, image, gles2::Texture::BOUND, |
| level_info_internal_format, format_info.gl_format, |
| format_info.gl_type, format_info.swizzle, |
| pixel_data.empty() ? is_cleared : true, format, size, |
| color_space, usage); |
| } |
| |
| std::unique_ptr<SharedImageBacking> |
| SharedImageBackingFactoryGLTexture::CreateSharedImage( |
| const Mailbox& mailbox, |
| int client_id, |
| gfx::GpuMemoryBufferHandle handle, |
| gfx::BufferFormat buffer_format, |
| SurfaceHandle surface_handle, |
| const gfx::Size& size, |
| const gfx::ColorSpace& color_space, |
| uint32_t usage) { |
| if (!gpu_memory_buffer_formats_.Has(buffer_format)) { |
| LOG(ERROR) << "CreateSharedImage: unsupported buffer format"; |
| return nullptr; |
| } |
| |
| if (!gpu::IsImageSizeValidForGpuMemoryBufferFormat(size, buffer_format)) { |
| LOG(ERROR) << "Invalid image size for format."; |
| return nullptr; |
| } |
| |
| GLenum target = handle.type == gfx::SHARED_MEMORY_BUFFER |
| ? GL_TEXTURE_2D |
| : gpu::GetPlatformSpecificTextureTarget(); |
| scoped_refptr<gl::GLImage> image = MakeGLImage( |
| client_id, std::move(handle), buffer_format, surface_handle, size); |
| if (!image) { |
| LOG(ERROR) << "Failed to create image."; |
| return nullptr; |
| } |
| if (color_space.IsValid()) |
| image->SetColorSpace(color_space); |
| |
| viz::ResourceFormat format = viz::GetResourceFormat(buffer_format); |
| |
| gl::GLApi* api = gl::g_current_gl_context; |
| ScopedRestoreTexture scoped_restore(api, target); |
| |
| const bool for_framebuffer_attachment = |
| (usage & (SHARED_IMAGE_USAGE_RASTER | |
| SHARED_IMAGE_USAGE_GLES2_FRAMEBUFFER_HINT)) != 0; |
| GLuint service_id = MakeTextureAndSetParameters( |
| api, target, for_framebuffer_attachment && texture_usage_angle_); |
| |
| // TODO(piman): RGB emulation |
| gles2::Texture::ImageState image_state = gles2::Texture::UNBOUND; |
| if (image->BindTexImage(target)) { |
| image_state = gles2::Texture::BOUND; |
| } else if (use_passthrough_) { |
| image->CopyTexImage(target); |
| image_state = gles2::Texture::COPIED; |
| } |
| |
| // TODO(piman): this is consistent with |
| // GLES2DecoderImpl::BindTexImage2DCHROMIUMImpl or |
| // RasterDecoderImpl::DoBindTexImage2DCHROMIUM but seems wrong: |
| // |
| // - internalformat might be sized, which is wrong for format |
| // - gl_type shouldn't be GL_UNSIGNED_BYTE for RGBA4444 for example. |
| GLuint internal_format = image->GetInternalFormat(); |
| GLenum gl_format = internal_format; |
| GLenum gl_type = GL_UNSIGNED_BYTE; |
| |
| return MakeBacking(mailbox, target, service_id, image, image_state, |
| internal_format, gl_format, gl_type, nullptr, true, format, |
| size, color_space, usage); |
| } |
| |
| scoped_refptr<gl::GLImage> SharedImageBackingFactoryGLTexture::MakeGLImage( |
| int client_id, |
| gfx::GpuMemoryBufferHandle handle, |
| gfx::BufferFormat format, |
| SurfaceHandle surface_handle, |
| const gfx::Size& size) { |
| if (handle.type == gfx::SHARED_MEMORY_BUFFER) { |
| if (!base::IsValueInRangeForNumericType<size_t>(handle.stride)) |
| return nullptr; |
| auto image = base::MakeRefCounted<gl::GLImageSharedMemory>(size); |
| if (!image->Initialize(handle.region, handle.id, format, handle.offset, |
| handle.stride)) { |
| return nullptr; |
| } |
| |
| return image; |
| } |
| |
| if (!image_factory_) |
| return nullptr; |
| |
| return image_factory_->CreateImageForGpuMemoryBuffer( |
| std::move(handle), size, format, client_id, surface_handle); |
| } |
| |
| std::unique_ptr<SharedImageBacking> |
| SharedImageBackingFactoryGLTexture::MakeBacking( |
| const Mailbox& mailbox, |
| GLenum target, |
| GLuint service_id, |
| scoped_refptr<gl::GLImage> image, |
| gles2::Texture::ImageState image_state, |
| GLuint level_info_internal_format, |
| GLuint gl_format, |
| GLuint gl_type, |
| const gles2::Texture::CompatibilitySwizzle* swizzle, |
| bool is_cleared, |
| viz::ResourceFormat format, |
| const gfx::Size& size, |
| const gfx::ColorSpace& color_space, |
| uint32_t usage) { |
| if (use_passthrough_) { |
| scoped_refptr<gles2::TexturePassthrough> passthrough_texture = |
| base::MakeRefCounted<gles2::TexturePassthrough>(service_id, target); |
| if (image) |
| passthrough_texture->SetLevelImage(target, 0, image.get()); |
| |
| // Get the texture size from ANGLE and set it on the passthrough texture. |
| GLint texture_memory_size = 0; |
| gl::GLApi* api = gl::g_current_gl_context; |
| api->glGetTexParameterivFn(target, GL_MEMORY_SIZE_ANGLE, |
| &texture_memory_size); |
| passthrough_texture->SetEstimatedSize(texture_memory_size); |
| |
| return std::make_unique<SharedImageBackingPassthroughGLTexture>( |
| mailbox, format, size, color_space, usage, |
| std::move(passthrough_texture), is_cleared); |
| } else { |
| gles2::Texture* texture = new gles2::Texture(service_id); |
| texture->SetLightweightRef(); |
| texture->SetTarget(target, 1); |
| texture->sampler_state_.min_filter = GL_LINEAR; |
| texture->sampler_state_.mag_filter = GL_LINEAR; |
| texture->sampler_state_.wrap_s = GL_CLAMP_TO_EDGE; |
| texture->sampler_state_.wrap_t = GL_CLAMP_TO_EDGE; |
| texture->SetLevelInfo(target, 0, level_info_internal_format, size.width(), |
| size.height(), 1, 0, gl_format, gl_type, |
| is_cleared ? gfx::Rect(size) : gfx::Rect()); |
| if (swizzle) |
| texture->SetCompatibilitySwizzle(swizzle); |
| if (image) |
| texture->SetLevelImage(target, 0, image.get(), image_state); |
| texture->SetImmutable(true); |
| |
| return std::make_unique<SharedImageBackingGLTexture>( |
| mailbox, format, size, color_space, usage, texture); |
| } |
| } |
| |
| SharedImageBackingFactoryGLTexture::FormatInfo::FormatInfo() = default; |
| SharedImageBackingFactoryGLTexture::FormatInfo::~FormatInfo() = default; |
| |
| } // namespace gpu |
