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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_WRAPPED_SK_IMAGE_BACKING_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_WRAPPED_SK_IMAGE_BACKING_H_
#include <memory>
#include <vector>
#include "base/containers/span.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/types/pass_key.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing.h"
#include "third_party/skia/include/core/SkAlphaType.h"
#include "third_party/skia/include/core/SkColorType.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSurfaceProps.h"
#include "third_party/skia/include/gpu/ganesh/GrTypes.h"
#include "third_party/skia/include/private/chromium/GrPromiseImageTexture.h"
class SkSurface;
class SkPixmap;
namespace gpu {
class WrappedSkImageBackingFactory;
// Holds a Skia Ganesh allocated GrBackendTextures and GrPromiseImageTextures.
// Can only be accessed by Skia Ganesh backend.
class WrappedSkImageBacking : public ClearTrackingSharedImageBacking {
public:
WrappedSkImageBacking(base::PassKey<WrappedSkImageBackingFactory>,
const Mailbox& mailbox,
viz::SharedImageFormat format,
const gfx::Size& size,
const gfx::ColorSpace& color_space,
GrSurfaceOrigin surface_origin,
SkAlphaType alpha_type,
gpu::SharedImageUsageSet usage,
std::string debug_label,
scoped_refptr<SharedContextState> context_state,
const bool thread_safe);
WrappedSkImageBacking(const WrappedSkImageBacking&) = delete;
WrappedSkImageBacking& operator=(const WrappedSkImageBacking&) = delete;
~WrappedSkImageBacking() override;
// Initializes without pixel data.
bool Initialize(const std::string& debug_label);
// Initializes with pixel data that is uploaded to texture. For ETC1 textures
// pixel data must be provided since updating compressed textures is not
// supported.
bool InitializeWithData(const std::string& debug_label,
base::span<const uint8_t> pixels);
// SharedImageBacking implementation.
SharedImageBackingType GetType() const override;
void Update(std::unique_ptr<gfx::GpuFence> in_fence) override;
bool UploadFromMemory(const std::vector<SkPixmap>& pixmaps) override;
protected:
std::unique_ptr<SkiaGaneshImageRepresentation> ProduceSkiaGanesh(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
scoped_refptr<SharedContextState> context_state) override;
private:
class SkiaImageRepresentationImpl;
struct TextureHolder {
TextureHolder();
TextureHolder(TextureHolder&& other);
TextureHolder& operator=(TextureHolder&& other);
~TextureHolder();
GrBackendTexture backend_texture;
sk_sp<GrPromiseImageTexture> promise_texture;
};
SkColorType GetSkColorType(int plane_index);
std::vector<sk_sp<SkSurface>> GetSkSurfaces(
int final_msaa_count,
const SkSurfaceProps& surface_props,
scoped_refptr<SharedContextState> context_state);
std::vector<sk_sp<GrPromiseImageTexture>> GetPromiseTextures();
scoped_refptr<SharedContextState> context_state_;
std::vector<TextureHolder> textures_;
int surface_msaa_count_ = 0;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_WRAPPED_SK_IMAGE_BACKING_H_
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