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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// 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 VK_BUFFER_HPP_
#define VK_BUFFER_HPP_
#include "VkObject.hpp"
namespace vk
{
class Buffer : public Object<Buffer, VkBuffer>
{
public:
Buffer(const VkBufferCreateInfo* pCreateInfo, void* mem);
~Buffer() = delete;
void destroy(const VkAllocationCallbacks* pAllocator);
static size_t ComputeRequiredAllocationSize(const VkBufferCreateInfo* pCreateInfo);
const VkMemoryRequirements getMemoryRequirements() const;
void bind(VkDeviceMemory pDeviceMemory, VkDeviceSize pMemoryOffset);
void copyFrom(const void* srcMemory, VkDeviceSize size, VkDeviceSize offset);
void copyTo(void* dstMemory, VkDeviceSize size, VkDeviceSize offset) const;
void copyTo(Buffer* dstBuffer, const VkBufferCopy& pRegion) const;
void fill(VkDeviceSize dstOffset, VkDeviceSize fillSize, uint32_t data);
void update(VkDeviceSize dstOffset, VkDeviceSize dataSize, const void* pData);
void* getOffsetPointer(VkDeviceSize offset) const;
inline VkDeviceSize getSize() const { return size; }
uint8_t* end() const;
// DataOffset is the offset in bytes from the Buffer to the pointer to the
// buffer's data memory.
static const int DataOffset;
static const int DataSize;
private:
void* memory = nullptr;
VkBufferCreateFlags flags = 0;
VkDeviceSize size = 0;
VkBufferUsageFlags usage = 0;
VkSharingMode sharingMode = VK_SHARING_MODE_EXCLUSIVE;
uint32_t queueFamilyIndexCount = 0;
uint32_t* queueFamilyIndices = nullptr;
};
static inline Buffer* Cast(VkBuffer object)
{
return reinterpret_cast<Buffer*>(object);
}
} // namespace vk
#endif // VK_BUFFER_HPP_