/* * Copyright (c) 2010, Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef UNSAFE_BUFFERS_BUILD // TODO(crbug.com/351564777): Remove this and convert code to safer constructs. #pragma allow_unsafe_buffers #endif #include "third_party/blink/renderer/platform/graphics/gpu/drawing_buffer.h" #include <algorithm> #include <memory> #include <utility> #include "base/feature_list.h" #include "base/logging.h" #include "base/memory/read_only_shared_memory_region.h" #include "base/numerics/checked_math.h" #include "base/numerics/ostream_operators.h" #include "build/build_config.h" #include "cc/layers/texture_layer.h" #include "components/viz/common/resources/bitmap_allocation.h" #include "components/viz/common/resources/resource_sizes.h" #include "components/viz/common/resources/shared_bitmap.h" #include "components/viz/common/resources/shared_image_format.h" #include "components/viz/common/resources/shared_image_format_utils.h" #include "components/viz/common/resources/transferable_resource.h" #include "gpu/command_buffer/client/client_shared_image.h" #include "gpu/command_buffer/client/context_support.h" #include "gpu/command_buffer/client/shared_image_interface.h" #include "gpu/command_buffer/common/capabilities.h" #include "gpu/command_buffer/common/gpu_memory_buffer_support.h" #include "gpu/command_buffer/common/shared_image_usage.h" #include "gpu/config/gpu_driver_bug_workaround_type.h" #include "gpu/config/gpu_feature_info.h" #include "gpu/config/gpu_finch_features.h" #include "media/base/video_frame.h" #include "third_party/blink/public/common/features.h" #include "third_party/blink/public/platform/platform.h" #include "third_party/blink/public/platform/web_graphics_shared_image_interface_provider.h" #include "third_party/blink/public/web/blink.h" #include "third_party/blink/renderer/platform/graphics/accelerated_static_bitmap_image.h" #include "third_party/blink/renderer/platform/graphics/canvas_resource.h" #include "third_party/blink/renderer/platform/graphics/gpu/extensions_3d_util.h" #include "third_party/blink/renderer/platform/graphics/gpu/shared_gpu_context.h" #include "third_party/blink/renderer/platform/graphics/skia/skia_utils.h" #include "third_party/blink/renderer/platform/graphics/unaccelerated_static_bitmap_image.h" #include "third_party/blink/renderer/platform/graphics/web_graphics_context_3d_provider_wrapper.h" #include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h" #include "third_party/blink/renderer/platform/wtf/functional.h" #include "third_party/skia/include/core/SkImage.h" #include "third_party/skia/include/core/SkPixmap.h" #include "third_party/skia/include/core/SkSurface.h" #include "third_party/skia/include/gpu/gl/GrGLTypes.h" #include "v8/include/v8.h" namespace blink { namespace { BASE_FEATURE(…); const float kResourceAdjustedRatio = …; bool g_should_fail_drawing_buffer_creation_for_testing = …; void FlipVertically(base::span<uint8_t> framebuffer, size_t num_rows, size_t row_bytes) { … } class ScopedDrawBuffer { … }; } // namespace // Increase cache to avoid reallocation on fuchsia, see // https://crbug.com/1087941. #if BUILDFLAG(IS_FUCHSIA) const size_t DrawingBuffer::kDefaultColorBufferCacheLimit = 2; #else const size_t DrawingBuffer::kDefaultColorBufferCacheLimit = …; #endif // Function defined in third_party/blink/public/web/blink.h. void ForceNextDrawingBufferCreationToFailForTest() { … } scoped_refptr<DrawingBuffer> DrawingBuffer::Create( std::unique_ptr<WebGraphicsContext3DProvider> context_provider, const Platform::GraphicsInfo& graphics_info, bool using_swap_chain, Client* client, const gfx::Size& size, bool premultiplied_alpha, bool want_alpha_channel, bool want_depth_buffer, bool want_stencil_buffer, bool want_antialiasing, bool desynchronized, PreserveDrawingBuffer preserve, WebGLVersion webgl_version, ChromiumImageUsage chromium_image_usage, cc::PaintFlags::FilterQuality filter_quality, PredefinedColorSpace color_space, gl::GpuPreference gpu_preference) { … } DrawingBuffer::DrawingBuffer( std::unique_ptr<WebGraphicsContext3DProvider> context_provider, const Platform::GraphicsInfo& graphics_info, bool using_swap_chain, bool desynchronized, std::unique_ptr<Extensions3DUtil> extensions_util, Client* client, bool discard_framebuffer_supported, bool texture_storage_enabled, bool want_alpha_channel, bool premultiplied_alpha, PreserveDrawingBuffer preserve, WebGLVersion webgl_version, bool want_depth, bool want_stencil, ChromiumImageUsage chromium_image_usage, cc::PaintFlags::FilterQuality filter_quality, PredefinedColorSpace color_space, gl::GpuPreference gpu_preference) : … { … } DrawingBuffer::~DrawingBuffer() { … } bool DrawingBuffer::MarkContentsChanged() { … } bool DrawingBuffer::BufferClearNeeded() const { … } void DrawingBuffer::SetBufferClearNeeded(bool flag) { … } gpu::gles2::GLES2Interface* DrawingBuffer::ContextGL() { … } WebGraphicsContext3DProvider* DrawingBuffer::ContextProvider() { … } base::WeakPtr<WebGraphicsContext3DProviderWrapper> DrawingBuffer::ContextProviderWeakPtr() { … } void DrawingBuffer::SetIsInHiddenPage(bool hidden) { … } void DrawingBuffer::SetHdrMetadata(const gfx::HDRMetadata& hdr_metadata) { … } void DrawingBuffer::SetFilterQuality( cc::PaintFlags::FilterQuality filter_quality) { … } bool DrawingBuffer::RequiresAlphaChannelToBePreserved() { … } bool DrawingBuffer::DefaultBufferRequiresAlphaChannelToBePreserved() { … } void DrawingBuffer::SetDrawBuffer(GLenum draw_buffer) { … } void DrawingBuffer::SetSharedImageInterfaceProviderForBitmapTest( std::unique_ptr<WebGraphicsSharedImageInterfaceProvider> sii_provider) { … } WebGraphicsSharedImageInterfaceProvider* DrawingBuffer::GetSharedImageInterfaceProviderForBitmap() { … } DrawingBuffer::RegisteredBitmap DrawingBuffer::CreateOrRecycleBitmap( cc::SharedBitmapIdRegistrar* bitmap_registrar) { … } bool DrawingBuffer::PrepareTransferableResource( cc::SharedBitmapIdRegistrar* bitmap_registrar, viz::TransferableResource* out_resource, viz::ReleaseCallback* out_release_callback) { … } DrawingBuffer::CheckForDestructionResult DrawingBuffer::CheckForDestructionAndChangeAndResolveIfNeeded( DiscardBehavior discardBehavior) { … } bool DrawingBuffer::PrepareTransferableResourceInternal( cc::SharedBitmapIdRegistrar* bitmap_registrar, scoped_refptr<gpu::ClientSharedImage>* client_si, viz::TransferableResource* out_resource, viz::ReleaseCallback* out_release_callback, bool force_gpu_result) { … } scoped_refptr<StaticBitmapImage> DrawingBuffer::GetUnacceleratedStaticBitmapImage(bool flip_y) { … } void DrawingBuffer::ReadFramebufferIntoBitmapPixels(uint8_t* pixels) { … } bool DrawingBuffer::FinishPrepareTransferableResourceSoftware( cc::SharedBitmapIdRegistrar* bitmap_registrar, viz::TransferableResource* out_resource, viz::ReleaseCallback* out_release_callback) { … } bool DrawingBuffer::FinishPrepareTransferableResourceGpu( viz::TransferableResource* out_resource, scoped_refptr<gpu::ClientSharedImage>* client_si, viz::ReleaseCallback* out_release_callback) { … } // static void DrawingBuffer::NotifyMailboxReleasedGpu( scoped_refptr<ColorBuffer> color_buffer, const gpu::SyncToken& sync_token, bool lost_resource) { … } void DrawingBuffer::MailboxReleasedGpu(scoped_refptr<ColorBuffer> color_buffer, bool lost_resource) { … } void DrawingBuffer::MailboxReleasedSoftware(RegisteredBitmap registered, const gpu::SyncToken& sync_token, bool lost_resource) { … } scoped_refptr<StaticBitmapImage> DrawingBuffer::TransferToStaticBitmapImage() { … } scoped_refptr<DrawingBuffer::ColorBuffer> DrawingBuffer::CreateOrRecycleColorBuffer() { … } scoped_refptr<CanvasResource> DrawingBuffer::ExportLowLatencyCanvasResource( base::WeakPtr<CanvasResourceProvider> resource_provider) { … } scoped_refptr<CanvasResource> DrawingBuffer::ExportCanvasResource() { … } DrawingBuffer::ColorBuffer::ColorBuffer( base::WeakPtr<DrawingBuffer> drawing_buffer, const gfx::Size& size, const gfx::ColorSpace& color_space, viz::SharedImageFormat format, SkAlphaType alpha_type, GLenum texture_target, GLuint texture_id, bool is_overlay_candidate, scoped_refptr<gpu::ClientSharedImage> shared_image) : … { … } DrawingBuffer::ColorBuffer::~ColorBuffer() { … } bool DrawingBuffer::Initialize(const gfx::Size& size, bool use_multisampling) { … } void DrawingBuffer::CopyStagingTextureToBackColorBufferIfNeeded() { … } bool DrawingBuffer::CopyToPlatformInternal(gpu::InterfaceBase* dst_interface, bool dst_is_unpremul_gl, SourceDrawingBuffer src_buffer, CopyFunctionRef copy_function) { … } bool DrawingBuffer::CopyToPlatformTexture(gpu::gles2::GLES2Interface* dst_gl, GLenum dst_texture_target, GLuint dst_texture, GLint dst_level, bool premultiply_alpha, bool flip_y, const gfx::Point& dst_texture_offset, const gfx::Rect& src_sub_rectangle, SourceDrawingBuffer src_buffer) { … } bool DrawingBuffer::CopyToPlatformMailbox( gpu::raster::RasterInterface* dst_raster_interface, gpu::Mailbox dst_mailbox, GLenum dst_texture_target, bool flip_y, const gfx::Point& dst_texture_offset, const gfx::Rect& src_sub_rectangle, SourceDrawingBuffer src_buffer) { … } bool DrawingBuffer::CopyToVideoFrame( WebGraphicsContext3DVideoFramePool* frame_pool, SourceDrawingBuffer src_buffer, bool src_origin_is_top_left, const gfx::ColorSpace& dst_color_space, WebGraphicsContext3DVideoFramePool::FrameReadyCallback callback) { … } cc::Layer* DrawingBuffer::CcLayer() { … } void DrawingBuffer::ClearCcLayer() { … } void DrawingBuffer::BeginDestruction() { … } bool DrawingBuffer::ReallocateDefaultFramebuffer(const gfx::Size& size, bool only_reallocate_color) { … } void DrawingBuffer::ClearFramebuffers(GLbitfield clear_mask) { … } void DrawingBuffer::ClearFramebuffersInternal(GLbitfield clear_mask, ClearOption clear_option) { … } void DrawingBuffer::ClearNewlyAllocatedFramebuffers(ClearOption clear_option) { … } gfx::Size DrawingBuffer::AdjustSize(const gfx::Size& desired_size, const gfx::Size& cur_size, int max_texture_size) { … } bool DrawingBuffer::Resize(const gfx::Size& new_size) { … } bool DrawingBuffer::ResizeWithFormat(GLenum requested_format, SkAlphaType requested_alpha_type, const gfx::Size& new_size) { … } bool DrawingBuffer::ResizeFramebufferInternal(GLenum requested_format, SkAlphaType requested_alpha_type, const gfx::Size& new_size) { … } void DrawingBuffer::SetColorSpace(PredefinedColorSpace predefined_color_space) { … } bool DrawingBuffer::ResolveAndBindForReadAndDraw() { … } void DrawingBuffer::ResolveMultisampleFramebufferInternal() { … } void DrawingBuffer::ResolveIfNeeded(DiscardBehavior discardBehavior) { … } bool DrawingBuffer::ReallocateMultisampleRenderbuffer(const gfx::Size& size) { … } void DrawingBuffer::RestoreFramebufferBindings() { … } void DrawingBuffer::RestoreAllState() { … } bool DrawingBuffer::Multisample() const { … } void DrawingBuffer::Bind(GLenum target) { … } GLenum DrawingBuffer::StorageFormat() const { … } sk_sp<SkData> DrawingBuffer::PaintRenderingResultsToDataArray( SourceDrawingBuffer source_buffer) { … } void DrawingBuffer::ReadBackFramebuffer(base::span<uint8_t> pixels, SkColorType color_type, WebGLImageConversion::AlphaOp op) { … } void DrawingBuffer::ResolveAndPresentSwapChainIfNeeded() { … } scoped_refptr<DrawingBuffer::ColorBuffer> DrawingBuffer::CreateColorBuffer( const gfx::Size& size) { … } void DrawingBuffer::AttachColorBufferToReadFramebuffer() { … } bool DrawingBuffer::WantExplicitResolve() { … } bool DrawingBuffer::WantDepthOrStencil() { … } DrawingBuffer::ScopedStateRestorer::ScopedStateRestorer( DrawingBuffer* drawing_buffer) : … { … } DrawingBuffer::ScopedStateRestorer::~ScopedStateRestorer() { … } bool DrawingBuffer::ShouldUseChromiumImage() { … } } // namespace blink
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