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gpu / command_buffer / service / shared_image / dawn_ahardwarebuffer_image_representation.h [blame]
// Copyright 2022 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_DAWN_AHARDWAREBUFFER_IMAGE_REPRESENTATION_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_DAWN_AHARDWAREBUFFER_IMAGE_REPRESENTATION_H_
#include <dawn/dawn_proc_table.h>
#include <dawn/webgpu.h>
#include "base/android/scoped_hardware_buffer_handle.h"
#include "base/memory/ref_counted.h"
#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 DawnAHardwareBufferImageRepresentation : public DawnImageRepresentation {
public:
DawnAHardwareBufferImageRepresentation(
SharedImageManager* manager,
AndroidImageBacking* backing,
MemoryTypeTracker* tracker,
wgpu::Device device,
wgpu::TextureFormat format,
std::vector<wgpu::TextureFormat> view_formats,
AHardwareBuffer* buffer);
~DawnAHardwareBufferImageRepresentation() override;
wgpu::Texture BeginAccess(wgpu::TextureUsage usage,
wgpu::TextureUsage internal_usage) override;
void EndAccess() override;
private:
AndroidImageBacking* android_backing() {
return static_cast<AndroidImageBacking*>(backing());
}
base::android::ScopedHardwareBufferHandle handle_;
wgpu::Texture texture_;
wgpu::Device device_;
wgpu::TextureFormat format_;
std::vector<wgpu::TextureFormat> view_formats_;
// There is a SharedTextureMemory per representation with how this works
// currently. Switching to a single cached SharedTextureMemory for the backing
// needs some care as multiple representations would use the same VkImage and
// layout/queue transitions might be problematic.
wgpu::SharedTextureMemory shared_texture_memory_;
AccessMode access_mode_ = AccessMode::kNone;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_DAWN_AHARDWAREBUFFER_IMAGE_REPRESENTATION_H_