| // Copyright 2013 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_ZERO_COPY_RASTER_BUFFER_PROVIDER_H_ |
| #define CC_RASTER_ZERO_COPY_RASTER_BUFFER_PROVIDER_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/values.h" |
| #include "cc/raster/raster_buffer_provider.h" |
| |
| namespace base { |
| namespace trace_event { |
| class ConvertableToTraceFormat; |
| } |
| } |
| |
| namespace cc { |
| class ResourceProvider; |
| |
| class CC_EXPORT ZeroCopyRasterBufferProvider : public RasterBufferProvider { |
| public: |
| ~ZeroCopyRasterBufferProvider() override; |
| |
| static std::unique_ptr<RasterBufferProvider> Create( |
| ResourceProvider* resource_provider, |
| 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 IsResourceSwizzleRequired(bool must_support_alpha) const override; |
| bool CanPartialRasterIntoProvidedResource() const override; |
| bool IsResourceReadyToDraw(ResourceId id) const override; |
| uint64_t SetReadyToDrawCallback( |
| const ResourceProvider::ResourceIdArray& resource_ids, |
| const base::Closure& callback, |
| uint64_t pending_callback_id) const override; |
| void Shutdown() override; |
| |
| protected: |
| ZeroCopyRasterBufferProvider(ResourceProvider* resource_provider, |
| ResourceFormat preferred_tile_format); |
| |
| private: |
| std::unique_ptr<base::trace_event::ConvertableToTraceFormat> StateAsValue() |
| const; |
| |
| ResourceProvider* resource_provider_; |
| ResourceFormat preferred_tile_format_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ZeroCopyRasterBufferProvider); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RASTER_ZERO_COPY_RASTER_BUFFER_PROVIDER_H_ |