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// Copyright 2015 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_RESOURCES_GPU_RASTERIZER_H_
#define CC_RESOURCES_GPU_RASTERIZER_H_
#include <vector>
#include "cc/base/cc_export.h"
#include "cc/resources/rasterizer.h"
#include "cc/resources/resource_pool.h"
#include "cc/resources/tile.h"
#include "third_party/skia/include/core/SkMultiPictureDraw.h"
namespace cc {
class ContextProvider;
class ResourceProvider;
class CC_EXPORT GpuRasterizer : public Rasterizer {
public:
~GpuRasterizer() override;
static scoped_ptr<GpuRasterizer> Create(
ContextProvider* context_provider,
ResourceProvider* resource_provider,
bool use_distance_field_text,
bool threaded_gpu_rasterization_enabled,
int msaa_sample_count);
// Overriden from Rasterizer.
PrepareTilesMode GetPrepareTilesMode() override;
void RasterizeTiles(
const TileVector& tiles,
ResourcePool* resource_pool,
ResourceFormat resource_format,
const UpdateTileDrawInfoCallback& update_tile_draw_info) override;
void RasterizeSource(bool use_worker_context,
ResourceProvider::ScopedWriteLockGr* write_lock,
const RasterSource* raster_source,
const gfx::Rect& rect,
float scale);
ResourceProvider* resource_provider() { return resource_provider_; }
private:
GpuRasterizer(ContextProvider* context_provider,
ResourceProvider* resource_provider,
bool use_distance_filed_text,
bool threaded_gpu_rasterization_enabled,
int msaa_sample_count);
using ScopedResourceWriteLocks =
ScopedPtrVector<ResourceProvider::ScopedWriteLockGr>;
ContextProvider* GetContextProvider(bool worker_context);
void PerformSolidColorAnalysis(const Tile* tile,
RasterSource::SolidColorAnalysis* analysis);
void AddToMultiPictureDraw(const Tile* tile,
const ScopedResource* resource,
ScopedResourceWriteLocks* locks);
ResourceProvider* resource_provider_;
SkMultiPictureDraw multi_picture_draw_;
bool use_distance_field_text_;
bool threaded_gpu_rasterization_enabled_;
int msaa_sample_count_;
DISALLOW_COPY_AND_ASSIGN(GpuRasterizer);
};
} // namespace cc
#endif // CC_RESOURCES_GPU_RASTERIZER_H_
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