ssdfasd
859b851842
步骤 1 完成： 1. 创建全屏四边形顶点数据 2. 实现 Ray Marching 着色器： - 从相机发射光线 - 光线与边界框相交检测 - 固定密度采样 - Alpha 混合输出 3. 添加 CreateQuadPSO 函数 4. 更新渲染管线 验证结果： - 整个背景变成淡蓝色 - Ray marching 基础逻辑工作正常
41 lines
1.9 KiB
C
41 lines
1.9 KiB
C
#pragma once
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#include <d3d12.h>
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#include <dxgi1_4.h>
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#include <d3dcompiler.h>
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#include <DirectXMath.h>
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#include <stdio.h>
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D3D12_RESOURCE_BARRIER InitResourceBarrier(
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ID3D12Resource* inResource, D3D12_RESOURCE_STATES inPrevState,
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D3D12_RESOURCE_STATES inNextState);
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ID3D12RootSignature* InitRootSignature();
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ID3D12RootSignature* InitVolumeRootSignature();
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void CreateShaderFromFile(
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LPCTSTR inShaderFilePath,
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const char* inMainFunctionName,
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const char* inTarget,//"vs_5_0","ps_5_0","vs_4_0"
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D3D12_SHADER_BYTECODE* inShader);
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ID3D12Resource* CreateConstantBufferObject(int inDataLen);
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void UpdateConstantBuffer(ID3D12Resource* inCB, void* inData, int inDataLen);
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ID3D12Resource* CreateBufferObject(ID3D12GraphicsCommandList* inCommandList,
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void* inData, int inDataLen, D3D12_RESOURCE_STATES inFinalResourceState);
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ID3D12PipelineState* CreatePSO(ID3D12RootSignature* inID3D12RootSignature,
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D3D12_SHADER_BYTECODE inVertexShader, D3D12_SHADER_BYTECODE inPixelShader,
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D3D12_SHADER_BYTECODE inGSShader);
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ID3D12PipelineState* CreateVolumePSO(ID3D12RootSignature* inID3D12RootSignature,
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D3D12_SHADER_BYTECODE inVertexShader, D3D12_SHADER_BYTECODE inPixelShader);
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ID3D12PipelineState* CreateQuadPSO(ID3D12RootSignature* inID3D12RootSignature,
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D3D12_SHADER_BYTECODE inVertexShader, D3D12_SHADER_BYTECODE inPixelShader);
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bool InitD3D12(HWND inHWND, int inWidth, int inHeight);
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ID3D12GraphicsCommandList* GetCommandList();
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ID3D12CommandAllocator* GetCommandAllocator();
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void WaitForCompletionOfCommandList();
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void EndCommandList();
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void BeginRenderToSwapChain(ID3D12GraphicsCommandList* inCommandList);
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void EndRenderToSwapChain(ID3D12GraphicsCommandList* inCommandList);
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void SwapD3D12Buffers();
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ID3D12Resource* CreateTexture2D(ID3D12GraphicsCommandList* inCommandList,
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const void*inPixelData,int inDataSizeInBytes,int inWidth,int inHeight,
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DXGI_FORMAT inFormat);
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ID3D12Device* GetD3DDevice();
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