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// Copyright 2020 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_SKIA_VK_ANDROID_IMAGE_REPRESENTATION_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SKIA_VK_ANDROID_IMAGE_REPRESENTATION_H_
#include <vulkan/vulkan.h>
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "gpu/command_buffer/service/shared_image/android_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_representation.h"
namespace gpu {
class SharedContextState;
class AndroidImageBacking;
class VulkanImage;
class VulkanImplementation;
// A generic Skia vulkan representation which can be used by any backing on
// Android.
class SkiaVkAndroidImageRepresentation : public SkiaGaneshImageRepresentation {
public:
SkiaVkAndroidImageRepresentation(
SharedImageManager* manager,
AndroidImageBacking* backing,
scoped_refptr<SharedContextState> context_state,
MemoryTypeTracker* tracker);
~SkiaVkAndroidImageRepresentation() override;
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;
protected:
AndroidImageBacking* android_backing() const {
return static_cast<AndroidImageBacking*>(backing());
}
SharedContextState* context_state() const { return context_state_.get(); }
std::unique_ptr<VulkanImage> vulkan_image_;
// Initial read fence to wait on before reading |vulkan_image_|.
base::ScopedFD init_read_fence_;
sk_sp<GrPromiseImageTexture> promise_texture_;
private:
bool BeginAccess(bool readonly,
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
base::ScopedFD init_read_fence);
void EndAccess(bool readonly);
std::unique_ptr<skgpu::MutableTextureState> GetEndAccessState();
VkDevice vk_device();
VulkanImplementation* vk_implementation();
VkPhysicalDevice vk_phy_device();
VkQueue vk_queue();
RepresentationAccessMode mode_ = RepresentationAccessMode::kNone;
int surface_msaa_count_ = 0;
sk_sp<SkSurface> surface_;
scoped_refptr<SharedContextState> context_state_;
VkSemaphore begin_access_semaphore_ = VK_NULL_HANDLE;
VkSemaphore end_access_semaphore_ = VK_NULL_HANDLE;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SKIA_VK_ANDROID_IMAGE_REPRESENTATION_H_
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