110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2018 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_UI_D3D12_D3D12_UTIL_H_
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#define XENIA_UI_D3D12_D3D12_UTIL_H_
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#include <utility>
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#include "xenia/ui/d3d12/d3d12_provider.h"
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namespace xe {
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namespace ui {
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namespace d3d12 {
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namespace util {
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using DescriptorCpuGpuHandlePair =
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std::pair<D3D12_CPU_DESCRIPTOR_HANDLE, D3D12_GPU_DESCRIPTOR_HANDLE>;
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extern const D3D12_HEAP_PROPERTIES kHeapPropertiesDefault;
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extern const D3D12_HEAP_PROPERTIES kHeapPropertiesUpload;
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extern const D3D12_HEAP_PROPERTIES kHeapPropertiesReadback;
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template <typename T>
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bool ReleaseAndNull(T& object) {
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if (object != nullptr) {
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object->Release();
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object = nullptr;
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return true;
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}
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return false;
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};
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ID3D12RootSignature* CreateRootSignature(const D3D12Provider& provider,
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const D3D12_ROOT_SIGNATURE_DESC& desc);
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ID3D12PipelineState* CreateComputePipeline(ID3D12Device* device,
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const void* shader,
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size_t shader_size,
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ID3D12RootSignature* root_signature);
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constexpr DXGI_FORMAT GetUintPow2DXGIFormat(uint32_t element_size_bytes_log2) {
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switch (element_size_bytes_log2) {
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case 0:
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return DXGI_FORMAT_R8_UINT;
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case 1:
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return DXGI_FORMAT_R16_UINT;
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case 2:
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return DXGI_FORMAT_R32_UINT;
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case 3:
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return DXGI_FORMAT_R32G32_UINT;
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case 4:
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return DXGI_FORMAT_R32G32B32A32_UINT;
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default:
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return DXGI_FORMAT_UNKNOWN;
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}
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}
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inline void FillBufferResourceDesc(D3D12_RESOURCE_DESC& desc, UINT64 size,
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D3D12_RESOURCE_FLAGS flags) {
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desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
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desc.Alignment = 0;
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desc.Width = size;
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desc.Height = 1;
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desc.DepthOrArraySize = 1;
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desc.MipLevels = 1;
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desc.Format = DXGI_FORMAT_UNKNOWN;
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desc.SampleDesc.Count = 1;
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desc.SampleDesc.Quality = 0;
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desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
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desc.Flags = flags;
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}
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void CreateBufferRawSRV(ID3D12Device* device,
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D3D12_CPU_DESCRIPTOR_HANDLE handle,
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ID3D12Resource* buffer, uint32_t size,
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uint64_t offset = 0);
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void CreateBufferRawUAV(ID3D12Device* device,
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D3D12_CPU_DESCRIPTOR_HANDLE handle,
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ID3D12Resource* buffer, uint32_t size,
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uint64_t offset = 0);
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void CreateBufferTypedSRV(ID3D12Device* device,
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D3D12_CPU_DESCRIPTOR_HANDLE handle,
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ID3D12Resource* buffer, DXGI_FORMAT format,
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uint32_t num_elements, uint64_t first_element = 0);
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void CreateBufferTypedUAV(ID3D12Device* device,
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D3D12_CPU_DESCRIPTOR_HANDLE handle,
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ID3D12Resource* buffer, DXGI_FORMAT format,
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uint32_t num_elements, uint64_t first_element = 0);
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// For cases where GetCopyableFootprints isn't usable (such as when the size
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// needs to be overaligned beyond the maximum texture size), providing data
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// needed to compute the copyable footprints manually.
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void GetFormatCopyInfo(DXGI_FORMAT format, uint32_t plane,
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DXGI_FORMAT& copy_format_out, uint32_t& block_width_out,
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uint32_t& block_height_out,
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uint32_t& bytes_per_block_out);
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} // namespace util
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} // namespace d3d12
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} // namespace ui
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} // namespace xe
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#endif // XENIA_UI_D3D12_D3D12_UTIL_H_
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