dxvk/src/dxvk/dxvk_buffer.h

80 lines
1.6 KiB
C++

#pragma once
#include "dxvk_memory.h"
#include "dxvk_resource.h"
namespace dxvk {
/**
* \brief Buffer create info
*
* The properties of a buffer that are
* passed to \ref DxvkDevice::createBuffer
*/
struct DxvkBufferCreateInfo {
/// Size of the buffer, in bytes
VkDeviceSize size;
/// Buffer usage flags
VkBufferUsageFlags usage;
};
/**
* \brief DXVK buffer
*
* A simple buffer resource that stores
* linear data. Can be mapped to host
* memory.
*/
class DxvkBuffer : public DxvkResource {
public:
DxvkBuffer(
const Rc<vk::DeviceFn>& vkd,
const DxvkBufferCreateInfo& createInfo,
DxvkMemoryAllocator& memAlloc,
VkMemoryPropertyFlags memFlags);
~DxvkBuffer();
/**
* \brief Buffer handle
* \returns Buffer handle
*/
VkBuffer handle() const {
return m_buffer;
}
/**
* \brief Buffer properties
* \returns Buffer properties
*/
const DxvkBufferCreateInfo& info() const {
return m_info;
}
/**
* \brief Map pointer
*
* If the buffer has been created on a host-visible
* memory type, the buffer memory is mapped and can
* be accessed by the host.
* \returns Pointer to mapped memory region
*/
void* mapPtr() const {
return m_memory.mapPtr();
}
private:
Rc<vk::DeviceFn> m_vkd;
DxvkBufferCreateInfo m_info;
DxvkMemory m_memory;
VkBuffer m_buffer = VK_NULL_HANDLE;
};
}