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// Copyright 2018 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_DESCRIPTOR_H_
#define SRC_VULKAN_BUFFER_DESCRIPTOR_H_
#include <memory>
#include <unordered_map>
#include <utility>
#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/buffer_backed_descriptor.h"
#include "src/vulkan/transfer_buffer.h"
namespace amber {
namespace vulkan {
class CommandBuffer;
class Device;
/// Stores descriptor set and binding information for storage and uniform
/// buffers.
class BufferDescriptor : public BufferBackedDescriptor {
public:
BufferDescriptor(Buffer* buffer,
DescriptorType type,
Device* device,
uint32_t desc_set,
uint32_t binding);
~BufferDescriptor() override;
void UpdateDescriptorSetIfNeeded(VkDescriptorSet descriptor_set) override;
Result CreateResourceIfNeeded() override;
Result MoveResourceToBufferOutput() override;
std::vector<uint32_t> GetDynamicOffsets() override {
return dynamic_offsets_;
}
void AddDynamicOffset(uint32_t offset) { dynamic_offsets_.push_back(offset); }
std::vector<uint64_t> GetDescriptorOffsets() override {
return descriptor_offsets_;
}
void AddDescriptorOffset(uint64_t descriptor_offset) {
descriptor_offsets_.push_back(descriptor_offset);
}
std::vector<uint64_t> GetDescriptorRanges() override {
return descriptor_ranges_;
}
void AddDescriptorRange(uint64_t descriptor_range) {
descriptor_ranges_.push_back(descriptor_range);
}
BufferDescriptor* AsBufferDescriptor() override { return this; }
protected:
std::vector<std::pair<Buffer*, Resource*>> GetResources() override;
private:
std::unordered_map<Buffer*, std::unique_ptr<TransferBuffer>>
transfer_buffers_;
std::vector<uint32_t> dynamic_offsets_;
std::vector<VkDeviceSize> descriptor_offsets_;
std::vector<VkDeviceSize> descriptor_ranges_;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_BUFFER_DESCRIPTOR_H_
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