mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 13:57:57 -07:00
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
// Copyright 2015 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <d3d12.h>
|
|
#include <unordered_map>
|
|
|
|
#include "VideoBackends/D3D12/D3DState.h"
|
|
|
|
namespace DX12
|
|
{
|
|
// This class provides an abstraction for D3D12 descriptor heaps.
|
|
class D3DDescriptorHeapManager
|
|
{
|
|
public:
|
|
D3DDescriptorHeapManager(D3D12_DESCRIPTOR_HEAP_DESC* desc, ID3D12Device* device,
|
|
unsigned int temporarySlots = 0);
|
|
~D3DDescriptorHeapManager();
|
|
|
|
bool Allocate(D3D12_CPU_DESCRIPTOR_HANDLE* cpu_handle,
|
|
D3D12_GPU_DESCRIPTOR_HANDLE* gpu_handle = nullptr,
|
|
D3D12_CPU_DESCRIPTOR_HANDLE* gpu_handle_cpu_shadow = nullptr,
|
|
bool temporary = false);
|
|
bool AllocateGroup(D3D12_CPU_DESCRIPTOR_HANDLE* cpu_handles, unsigned int num_handles,
|
|
D3D12_GPU_DESCRIPTOR_HANDLE* gpu_handles = nullptr,
|
|
D3D12_CPU_DESCRIPTOR_HANDLE* gpu_handle_cpu_shadows = nullptr,
|
|
bool temporary = false);
|
|
|
|
D3D12_GPU_DESCRIPTOR_HANDLE GetHandleForSamplerGroup(SamplerState* sampler_state,
|
|
unsigned int num_sampler_samples);
|
|
|
|
ID3D12DescriptorHeap* GetDescriptorHeap() const;
|
|
|
|
struct SamplerStateSet
|
|
{
|
|
SamplerState desc0;
|
|
SamplerState desc1;
|
|
SamplerState desc2;
|
|
SamplerState desc3;
|
|
SamplerState desc4;
|
|
SamplerState desc5;
|
|
SamplerState desc6;
|
|
SamplerState desc7;
|
|
};
|
|
|
|
private:
|
|
ID3D12Device* m_device = nullptr;
|
|
ID3D12DescriptorHeap* m_descriptor_heap = nullptr;
|
|
ID3D12DescriptorHeap* m_descriptor_heap_cpu_shadow = nullptr;
|
|
|
|
D3D12_CPU_DESCRIPTOR_HANDLE m_heap_base_cpu;
|
|
D3D12_GPU_DESCRIPTOR_HANDLE m_heap_base_gpu;
|
|
D3D12_CPU_DESCRIPTOR_HANDLE m_heap_base_gpu_cpu_shadow;
|
|
|
|
struct hash_sampler_desc
|
|
{
|
|
size_t operator()(const SamplerStateSet sampler_state_set) const
|
|
{
|
|
return sampler_state_set.desc0.hex;
|
|
}
|
|
};
|
|
|
|
std::unordered_map<SamplerStateSet, D3D12_GPU_DESCRIPTOR_HANDLE, hash_sampler_desc> m_sampler_map;
|
|
|
|
unsigned int m_current_temporary_offset_in_heap = 0;
|
|
unsigned int m_current_permanent_offset_in_heap = 0;
|
|
|
|
unsigned int m_descriptor_increment_size;
|
|
unsigned int m_descriptor_heap_size;
|
|
bool m_gpu_visible;
|
|
|
|
unsigned int m_first_temporary_slot_in_heap;
|
|
};
|
|
|
|
} // namespace
|