mirror of
https://github.com/libretro/dolphin
synced 2024-11-09 15:01:46 -05:00
100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
// Copyright 2017 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/D3D/DXShader.h"
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#include "Common/Assert.h"
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#include "VideoBackends/D3D/D3DBase.h"
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namespace DX11
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{
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DXShader::DXShader(ShaderStage stage, BinaryData bytecode, ID3D11DeviceChild* shader)
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: D3DCommon::Shader(stage, std::move(bytecode)), m_shader(shader)
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{
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}
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DXShader::~DXShader() = default;
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ID3D11VertexShader* DXShader::GetD3DVertexShader() const
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{
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DEBUG_ASSERT(m_stage == ShaderStage::Vertex);
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return static_cast<ID3D11VertexShader*>(m_shader.Get());
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}
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ID3D11GeometryShader* DXShader::GetD3DGeometryShader() const
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{
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DEBUG_ASSERT(m_stage == ShaderStage::Geometry);
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return static_cast<ID3D11GeometryShader*>(m_shader.Get());
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}
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ID3D11PixelShader* DXShader::GetD3DPixelShader() const
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{
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DEBUG_ASSERT(m_stage == ShaderStage::Pixel);
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return static_cast<ID3D11PixelShader*>(m_shader.Get());
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}
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ID3D11ComputeShader* DXShader::GetD3DComputeShader() const
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{
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DEBUG_ASSERT(m_stage == ShaderStage::Compute);
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return static_cast<ID3D11ComputeShader*>(m_shader.Get());
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}
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std::unique_ptr<DXShader> DXShader::CreateFromBytecode(ShaderStage stage, BinaryData bytecode)
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{
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switch (stage)
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{
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case ShaderStage::Vertex:
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{
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ComPtr<ID3D11VertexShader> vs;
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HRESULT hr = D3D::device->CreateVertexShader(bytecode.data(), bytecode.size(), nullptr, &vs);
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CHECK(SUCCEEDED(hr), "Create vertex shader");
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if (FAILED(hr))
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return nullptr;
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return std::make_unique<DXShader>(ShaderStage::Vertex, std::move(bytecode), vs.Get());
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}
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case ShaderStage::Geometry:
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{
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ComPtr<ID3D11GeometryShader> gs;
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HRESULT hr = D3D::device->CreateGeometryShader(bytecode.data(), bytecode.size(), nullptr, &gs);
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CHECK(SUCCEEDED(hr), "Create geometry shader");
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if (FAILED(hr))
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return nullptr;
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return std::make_unique<DXShader>(ShaderStage::Geometry, std::move(bytecode), gs.Get());
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}
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break;
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case ShaderStage::Pixel:
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{
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ComPtr<ID3D11PixelShader> ps;
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HRESULT hr = D3D::device->CreatePixelShader(bytecode.data(), bytecode.size(), nullptr, &ps);
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CHECK(SUCCEEDED(hr), "Create pixel shader");
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if (FAILED(hr))
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return nullptr;
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return std::make_unique<DXShader>(ShaderStage::Pixel, std::move(bytecode), ps.Get());
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}
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break;
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case ShaderStage::Compute:
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{
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ComPtr<ID3D11ComputeShader> cs;
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HRESULT hr = D3D::device->CreateComputeShader(bytecode.data(), bytecode.size(), nullptr, &cs);
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CHECK(SUCCEEDED(hr), "Create compute shader");
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if (FAILED(hr))
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return nullptr;
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return std::make_unique<DXShader>(ShaderStage::Compute, std::move(bytecode), cs.Get());
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}
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break;
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default:
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break;
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}
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return nullptr;
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}
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} // namespace DX11
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