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// Copyright 2019 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_VULKAN_BUFFER_BACKED_DESCRIPTOR_H_
#define SRC_VULKAN_BUFFER_BACKED_DESCRIPTOR_H_
#include <memory>
#include <vector>
#include "amber/result.h"
#include "amber/value.h"
#include "amber/vulkan_header.h"
#include "src/buffer.h"
#include "src/engine.h"
#include "src/vulkan/descriptor.h"
#include "src/vulkan/resource.h"
namespace amber {
namespace vulkan {
class BufferBackedDescriptor : public Descriptor {
public:
BufferBackedDescriptor(Buffer* buffer,
DescriptorType type,
Device* device,
uint32_t desc_set,
uint32_t binding);
~BufferBackedDescriptor() override;
Result CreateResourceIfNeeded() override { return {}; }
Result RecordCopyDataToResourceIfNeeded(CommandBuffer* command) override;
Result RecordCopyDataToHost(CommandBuffer* command) override;
Result MoveResourceToBufferOutput() override;
uint32_t GetDescriptorCount() override {
return static_cast<uint32_t>(amber_buffers_.size());
}
const std::vector<Buffer*>& GetAmberBuffers() const { return amber_buffers_; }
void AddAmberBuffer(Buffer* buffer) { amber_buffers_.push_back(buffer); }
BufferBackedDescriptor* AsBufferBackedDescriptor() override { return this; }
bool IsReadOnly() const;
protected:
virtual std::vector<Resource*> GetResources() = 0;
private:
std::vector<Buffer*> amber_buffers_;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_BUFFER_BACKED_DESCRIPTOR_H_
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