| // Copyright 2014 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. |
| |
| #ifndef CC_RASTER_ONE_COPY_RASTER_BUFFER_PROVIDER_H_ |
| #define CC_RASTER_ONE_COPY_RASTER_BUFFER_PROVIDER_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "cc/output/context_provider.h" |
| #include "cc/raster/raster_buffer_provider.h" |
| #include "cc/resources/resource_provider.h" |
| |
| namespace cc { |
| struct StagingBuffer; |
| class StagingBufferPool; |
| class ResourcePool; |
| |
| class CC_EXPORT OneCopyRasterBufferProvider : public RasterBufferProvider { |
| public: |
| ~OneCopyRasterBufferProvider() override; |
| |
| static std::unique_ptr<RasterBufferProvider> Create( |
| base::SequencedTaskRunner* task_runner, |
| ContextProvider* context_provider, |
| ResourceProvider* resource_provider, |
| int max_copy_texture_chromium_size, |
| bool use_partial_raster, |
| int max_staging_buffer_usage_in_bytes, |
| ResourceFormat preferred_tile_format); |
| |
| // Overridden from RasterBufferProvider: |
| std::unique_ptr<RasterBuffer> AcquireBufferForRaster( |
| const Resource* resource, |
| uint64_t resource_content_id, |
| uint64_t previous_content_id) override; |
| void ReleaseBufferForRaster(std::unique_ptr<RasterBuffer> buffer) override; |
| void OrderingBarrier() override; |
| ResourceFormat GetResourceFormat(bool must_support_alpha) const override; |
| bool GetResourceRequiresSwizzle(bool must_support_alpha) const override; |
| void Shutdown() override; |
| |
| // Playback raster source and copy result into |resource|. |
| void PlaybackAndCopyOnWorkerThread( |
| const Resource* resource, |
| ResourceProvider::ScopedWriteLockGL* resource_lock, |
| const RasterSource* raster_source, |
| const gfx::Rect& raster_full_rect, |
| const gfx::Rect& raster_dirty_rect, |
| float scale, |
| const RasterSource::PlaybackSettings& playback_settings, |
| uint64_t previous_content_id, |
| uint64_t new_content_id); |
| |
| protected: |
| OneCopyRasterBufferProvider(base::SequencedTaskRunner* task_runner, |
| ResourceProvider* resource_provider, |
| int max_copy_texture_chromium_size, |
| bool use_partial_raster, |
| int max_staging_buffer_usage_in_bytes, |
| ResourceFormat preferred_tile_format); |
| |
| private: |
| void PlaybackToStagingBuffer( |
| StagingBuffer* staging_buffer, |
| const Resource* resource, |
| const RasterSource* raster_source, |
| const gfx::Rect& raster_full_rect, |
| const gfx::Rect& raster_dirty_rect, |
| float scale, |
| const RasterSource::PlaybackSettings& playback_settings, |
| uint64_t previous_content_id, |
| uint64_t new_content_id); |
| void CopyOnWorkerThread(StagingBuffer* staging_buffer, |
| const Resource* resource, |
| ResourceProvider::ScopedWriteLockGL* resource_lock, |
| const RasterSource* raster_source, |
| uint64_t previous_content_id, |
| uint64_t new_content_id); |
| |
| ResourceProvider* const resource_provider_; |
| const int max_bytes_per_copy_operation_; |
| bool use_partial_raster_; |
| |
| // Context lock must be acquired when accessing this member. |
| int bytes_scheduled_since_last_flush_; |
| |
| ResourceFormat preferred_tile_format_; |
| std::unique_ptr<StagingBufferPool> staging_pool_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OneCopyRasterBufferProvider); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RASTER_ONE_COPY_RASTER_BUFFER_PROVIDER_H_ |