56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
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// Copyright 2019 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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#include "VideoBackends/D3D12/DXShader.h"
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#include "VideoBackends/D3D12/Common.h"
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#include "VideoBackends/D3D12/DXContext.h"
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namespace DX12
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{
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DXShader::DXShader(ShaderStage stage, BinaryData bytecode)
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: D3DCommon::Shader(stage, std::move(bytecode))
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{
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}
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DXShader::~DXShader() = default;
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std::unique_ptr<DXShader> DXShader::CreateFromBytecode(ShaderStage stage, BinaryData bytecode)
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{
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std::unique_ptr<DXShader> shader(new DXShader(stage, std::move(bytecode)));
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if (stage == ShaderStage::Compute && !shader->CreateComputePipeline())
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return nullptr;
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return shader;
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}
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std::unique_ptr<DXShader> DXShader::CreateFromSource(ShaderStage stage, const char* source,
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size_t length)
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{
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BinaryData bytecode;
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if (!CompileShader(g_dx_context->GetFeatureLevel(), &bytecode, stage, source, length))
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return nullptr;
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return CreateFromBytecode(stage, std::move(bytecode));
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}
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D3D12_SHADER_BYTECODE DXShader::GetD3DByteCode() const
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{
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return D3D12_SHADER_BYTECODE{m_bytecode.data(), m_bytecode.size()};
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}
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bool DXShader::CreateComputePipeline()
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{
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D3D12_COMPUTE_PIPELINE_STATE_DESC desc = {};
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desc.pRootSignature = g_dx_context->GetComputeRootSignature();
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desc.CS = GetD3DByteCode();
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desc.NodeMask = 1;
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HRESULT hr = g_dx_context->GetDevice()->CreateComputePipelineState(
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&desc, IID_PPV_ARGS(&m_compute_pipeline));
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CHECK(SUCCEEDED(hr), "Creating compute pipeline failed");
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return SUCCEEDED(hr);
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}
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} // namespace DX12
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