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- // The MIT License(MIT)
- //
- // Copyright(c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy of
- // this software and associated documentation files(the "Software"), to deal in
- // the Software without restriction, including without limitation the rights to
- // use, copy, modify, merge, publish, distribute, sublicense, and / or sell copies of
- // the Software, and to permit persons to whom the Software is furnished to do so,
- // subject to the following conditions :
- //
- // The above copyright notice and this permission notice shall be included in all
- // copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR
- // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- #include "BilinearUpscale.h"
- #include "DXUtilities.h"
- #include "Utilities.h"
- #include <iostream>
- void BilinearUpdateConfig(BilinearUpscaleConfig& config,
- uint32_t inputViewportOriginX, uint32_t inputViewportOriginY,
- uint32_t inputViewportWidth, uint32_t inputViewportHeight,
- uint32_t inputTextureWidth, uint32_t inputTextureHeight,
- uint32_t outputViewportOriginX, uint32_t outputViewportOriginY,
- uint32_t outputViewportWidth, uint32_t outputViewportHeight,
- uint32_t outputTextureWidth, uint32_t outputTextureHeight)
- {
- config.kInputViewportHeight = inputViewportHeight;
- config.kInputViewportWidth = inputViewportWidth;
- config.kOutputViewportHeight = outputViewportHeight;
- config.kOutputViewportWidth = outputViewportWidth;
- config.kInputViewportOriginX = inputViewportOriginX;
- config.kInputViewportOriginY = inputViewportOriginY;
- config.kOutputViewportOriginX = outputViewportOriginX;
- config.kOutputViewportOriginY = outputViewportOriginY;
- config.kScaleX = inputTextureWidth / float(outputTextureWidth);
- config.kScaleY = inputTextureWidth / float(outputTextureWidth);
- config.kDstNormX = 1.f / outputTextureWidth;
- config.kDstNormY = 1.f / outputTextureHeight;
- config.kSrcNormX = 1.f / inputTextureWidth;
- config.kSrcNormY = 1.f / inputTextureHeight;
- }
- BilinearUpscale::BilinearUpscale(DeviceResources& deviceResources, const std::vector<std::string>& shaderPaths)
- : m_deviceResources(deviceResources)
- , m_outputWidth(0)
- , m_outputHeight(0)
- {
- std::string shaderName = "bilinearUpscale.hlsl";
- std::string shaderPath;
- for (auto& e : shaderPaths)
- {
- if (std::filesystem::exists(e + "/" + shaderName))
- {
- shaderPath = e + "/" + shaderName;
- break;
- }
- }
- if (shaderPath.empty())
- throw std::runtime_error("Shader file not found" + shaderName);
- ComPtr<IDxcLibrary> library;
- DX::ThrowIfFailed(DxcCreateInstance(CLSID_DxcLibrary, __uuidof(IDxcLibrary), &library));
- ComPtr<IDxcCompiler> compiler;
- DX::ThrowIfFailed(DxcCreateInstance(CLSID_DxcCompiler, __uuidof(IDxcCompiler), &compiler));
- std::wstring wShaderFilename = widen(shaderPath);
- uint32_t codePage = CP_UTF8;
- ComPtr<IDxcBlobEncoding> sourceBlob;
- DX::ThrowIfFailed(library->CreateBlobFromFile(wShaderFilename.c_str(), &codePage, &sourceBlob));
- constexpr uint32_t nDefines = 2;
- std::wstring wBlockWidth = widen(toStr(m_BlockWidth));
- std::wstring wBlockHeight = widen(toStr(m_BlockHeight));
- DxcDefine defines[nDefines] = {
- {L"BLOCK_WIDTH", wBlockWidth.c_str()},
- {L"BLOCK_HEIGHT", wBlockHeight.c_str()},
- };
- ComPtr<IDxcOperationResult> result;
- HRESULT hr = compiler->Compile(sourceBlob.Get(), wShaderFilename.c_str(), L"main", L"cs_6_2", nullptr, 0, defines, nDefines, nullptr, &result);
- if (SUCCEEDED(hr))
- {
- result->GetStatus(&hr);
- }
- if (FAILED(hr))
- {
- if (result)
- {
- ComPtr<IDxcBlobEncoding> errorsBlob;
- hr = result->GetErrorBuffer(&errorsBlob);
- if (SUCCEEDED(hr) && errorsBlob)
- {
- wprintf(L"Compilation failed with errors:\n%hs\n", (const char*)errorsBlob->GetBufferPointer());
- }
- }
- DX::ThrowIfFailed(hr);
- }
- ComPtr<IDxcBlob> computeShaderBlob;
- result->GetResult(&computeShaderBlob);
- m_deviceResources.CreateBuffer(sizeof(BilinearUpscaleConfig), D3D12_HEAP_TYPE_UPLOAD, D3D12_RESOURCE_STATE_GENERIC_READ, &m_stagingBuffer);
- m_deviceResources.CreateBuffer(sizeof(BilinearUpscaleConfig), D3D12_HEAP_TYPE_DEFAULT, D3D12_RESOURCE_STATE_COMMON, &m_constatBuffer);
- // Define root table layout
- constexpr uint32_t nParams = 4;
- CD3DX12_DESCRIPTOR_RANGE descriptorRange[nParams] = {};
- descriptorRange[0] = CD3DX12_DESCRIPTOR_RANGE(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0);
- descriptorRange[1] = CD3DX12_DESCRIPTOR_RANGE(D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER, 1, 0);
- descriptorRange[2] = CD3DX12_DESCRIPTOR_RANGE(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0);
- descriptorRange[3] = CD3DX12_DESCRIPTOR_RANGE(D3D12_DESCRIPTOR_RANGE_TYPE_UAV, 1, 0);
- CD3DX12_ROOT_PARAMETER m_rootParams[nParams] = {};
- m_rootParams[0].InitAsDescriptorTable(1, &descriptorRange[0]);
- m_rootParams[1].InitAsDescriptorTable(1, &descriptorRange[1]);
- m_rootParams[2].InitAsDescriptorTable(1, &descriptorRange[2]);
- m_rootParams[3].InitAsDescriptorTable(1, &descriptorRange[3]);
- D3D12_ROOT_SIGNATURE_DESC rootSignatureDesc;
- rootSignatureDesc.NumParameters = nParams;
- rootSignatureDesc.pParameters = m_rootParams;
- rootSignatureDesc.NumStaticSamplers = 0;
- rootSignatureDesc.pStaticSamplers = nullptr;
- rootSignatureDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_NONE;
- ComPtr<ID3DBlob> serializedSignature;
- DX::ThrowIfFailed(D3D12SerializeRootSignature(&rootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION_1, &serializedSignature, nullptr));
- // Create the root signature
- DX::ThrowIfFailed(
- m_deviceResources.device()->CreateRootSignature(
- 0,
- serializedSignature->GetBufferPointer(),
- serializedSignature->GetBufferSize(),
- __uuidof(ID3D12RootSignature),
- &m_computeRootSignature));
- m_computeRootSignature->SetName(L"BilinearUpscale");
- D3D12_COMPUTE_PIPELINE_STATE_DESC descComputePSO = {};
- descComputePSO.pRootSignature = m_computeRootSignature.Get();
- descComputePSO.CS.pShaderBytecode = computeShaderBlob->GetBufferPointer();
- descComputePSO.CS.BytecodeLength = computeShaderBlob->GetBufferSize();
- DX::ThrowIfFailed(
- m_deviceResources.device()->CreateComputePipelineState(&descComputePSO, __uuidof(ID3D12PipelineState), &m_computePSO));
- m_computePSO->SetName(L"BilinearUpscale Compute PSO");
- }
- void BilinearUpscale::update(uint32_t inputWidth, uint32_t inputHeight, uint32_t outputWidth, uint32_t outputHeight)
- {
- BilinearUpdateConfig(m_config, 0, 0, inputWidth, inputHeight, inputWidth, inputHeight, 0, 0, outputWidth, outputHeight, outputWidth, outputHeight);
- m_deviceResources.UploadBufferData(&m_config, sizeof(BilinearUpscaleConfig), m_constatBuffer.Get(), m_stagingBuffer.Get());
- m_outputWidth = outputWidth;
- m_outputHeight = outputHeight;
- }
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