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110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
// Copyright 2010 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include "VideoBackends/D3D12/D3DBase.h"
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#include "VideoBackends/D3D12/D3DState.h"
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#include "VideoBackends/D3D12/D3DUtil.h"
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#include "VideoBackends/D3D12/NativeVertexFormat.h"
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#include "VideoBackends/D3D12/VertexManager.h"
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namespace DX12
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{
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NativeVertexFormat* VertexManager::CreateNativeVertexFormat(const PortableVertexDeclaration& vtx_decl)
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{
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return new D3DVertexFormat(vtx_decl);
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}
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static const constexpr DXGI_FORMAT d3d_format_lookup[5*4*2] =
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{
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// float formats
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DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_SNORM, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_R16_SNORM, DXGI_FORMAT_R32_FLOAT,
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DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_SNORM, DXGI_FORMAT_R16G16_UNORM, DXGI_FORMAT_R16G16_SNORM, DXGI_FORMAT_R32G32_FLOAT,
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DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_R32G32B32_FLOAT,
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DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R16G16B16A16_UNORM, DXGI_FORMAT_R16G16B16A16_SNORM, DXGI_FORMAT_R32G32B32A32_FLOAT,
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// integer formats
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DXGI_FORMAT_R8_UINT, DXGI_FORMAT_R8_SINT, DXGI_FORMAT_R16_UINT, DXGI_FORMAT_R16_SINT, DXGI_FORMAT_UNKNOWN,
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DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_UNKNOWN,
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DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN,
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DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_UNKNOWN,
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};
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DXGI_FORMAT VarToD3D(VarType t, int size, bool integer)
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{
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DXGI_FORMAT retval = d3d_format_lookup[static_cast<int>(t) + 5 * (size-1) + 5 * 4 * static_cast<int>(integer)];
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if (retval == DXGI_FORMAT_UNKNOWN)
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{
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PanicAlert("VarToD3D: Invalid type/size combo %i , %i, %i", static_cast<int>(t), size, static_cast<int>(integer));
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}
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return retval;
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}
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D3DVertexFormat::D3DVertexFormat(const PortableVertexDeclaration& vtx_decl)
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{
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this->vtx_decl = vtx_decl;
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AddInputElementDescFromAttributeFormatIfValid(&vtx_decl.position, "POSITION", 0);
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for (int i = 0; i < 3; i++)
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{
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AddInputElementDescFromAttributeFormatIfValid(&vtx_decl.normals[i], "NORMAL", i);
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}
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for (int i = 0; i < 2; i++)
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{
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AddInputElementDescFromAttributeFormatIfValid(&vtx_decl.colors[i], "COLOR", i);
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}
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for (int i = 0; i < 8; i++)
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{
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AddInputElementDescFromAttributeFormatIfValid(&vtx_decl.texcoords[i], "TEXCOORD", i);
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}
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AddInputElementDescFromAttributeFormatIfValid(&vtx_decl.posmtx, "BLENDINDICES", 0);
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m_layout12.NumElements = m_num_elems;
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m_layout12.pInputElementDescs = m_elems.data();
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}
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D3DVertexFormat::~D3DVertexFormat()
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{
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}
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void D3DVertexFormat::AddInputElementDescFromAttributeFormatIfValid(const AttributeFormat* format, const char* semantic_name, unsigned int semantic_index)
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{
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if (!format->enable)
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{
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return;
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}
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D3D12_INPUT_ELEMENT_DESC desc = {};
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desc.AlignedByteOffset = format->offset;
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desc.Format = VarToD3D(format->type, format->components, format->integer);
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desc.InputSlot = 0;
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desc.InputSlotClass = D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA;
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desc.SemanticName = semantic_name;
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desc.SemanticIndex = semantic_index;
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m_elems[m_num_elems] = desc;
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++m_num_elems;
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}
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void D3DVertexFormat::SetupVertexPointers()
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{
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// No-op on DX12.
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}
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D3D12_INPUT_LAYOUT_DESC D3DVertexFormat::GetActiveInputLayout12() const
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{
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return m_layout12;
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}
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} // namespace DX12
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