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// Copyright 2019 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_EXTERNAL_VK_IMAGE_SKIA_REPRESENTATION_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_EXTERNAL_VK_IMAGE_SKIA_REPRESENTATION_H_
#include <vector>
#include "gpu/command_buffer/service/external_semaphore.h"
#include "gpu/command_buffer/service/shared_image/external_vk_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_representation.h"
namespace gpu {
class ExternalVkImageSkiaImageRepresentation
: public SkiaGaneshImageRepresentation {
public:
ExternalVkImageSkiaImageRepresentation(GrDirectContext* gr_context,
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker);
~ExternalVkImageSkiaImageRepresentation() override;
// SkiaImageRepresentation implementation.
std::vector<sk_sp<SkSurface>> BeginWriteAccess(
int final_msaa_count,
const SkSurfaceProps& surface_props,
const gfx::Rect& update_rect,
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) override;
std::vector<sk_sp<GrPromiseImageTexture>> BeginWriteAccess(
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) override;
void EndWriteAccess() override;
std::vector<sk_sp<GrPromiseImageTexture>> BeginReadAccess(
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) override;
void EndReadAccess() override;
private:
ExternalVkImageBacking* backing_impl() const {
return static_cast<ExternalVkImageBacking*>(backing());
}
VulkanFenceHelper* fence_helper() const {
return backing_impl()->fence_helper();
}
std::vector<sk_sp<GrPromiseImageTexture>> BeginAccess(
bool readonly,
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores);
void EndAccess(bool readonly);
const scoped_refptr<SharedContextState> context_state_;
AccessMode access_mode_ = AccessMode::kNone;
int surface_msaa_count_ = 0;
std::vector<ExternalSemaphore> begin_access_semaphores_;
ExternalSemaphore end_access_semaphore_;
std::vector<sk_sp<SkSurface>> write_surfaces_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_EXTERNAL_VK_IMAGE_SKIA_REPRESENTATION_H_
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