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// Copyright 2019 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoBackends/D3D12/DX12Shader.h"
#include "Common/Assert.h"
#include "Common/StringUtil.h"
#include "VideoBackends/D3D12/Common.h"
#include "VideoBackends/D3D12/DX12Context.h"
namespace DX12
{
DXShader::DXShader(ShaderStage stage, BinaryData bytecode, std::string_view name)
: D3DCommon::Shader(stage, std::move(bytecode)), m_name(UTF8ToWString(name))
{
}
DXShader::~DXShader() = default;
std::unique_ptr<DXShader> DXShader::CreateFromBytecode(ShaderStage stage, BinaryData bytecode,
std::string_view name)
{
std::unique_ptr<DXShader> shader(new DXShader(stage, std::move(bytecode), name));
if (stage == ShaderStage::Compute && !shader->CreateComputePipeline())
return nullptr;
return shader;
}
std::unique_ptr<DXShader> DXShader::CreateFromSource(ShaderStage stage, std::string_view source,
VideoCommon::ShaderIncluder* shader_includer,
std::string_view name)
{
auto bytecode = CompileShader(g_dx_context->GetFeatureLevel(), stage, source, shader_includer);
if (!bytecode)
return nullptr;
return CreateFromBytecode(stage, std::move(*bytecode), name);
}
D3D12_SHADER_BYTECODE DXShader::GetD3DByteCode() const
{
return D3D12_SHADER_BYTECODE{m_bytecode.data(), m_bytecode.size()};
}
bool DXShader::CreateComputePipeline()
{
D3D12_COMPUTE_PIPELINE_STATE_DESC desc = {};
desc.pRootSignature = g_dx_context->GetComputeRootSignature();
desc.CS = GetD3DByteCode();
desc.NodeMask = 1;
HRESULT hr = g_dx_context->GetDevice()->CreateComputePipelineState(
&desc, IID_PPV_ARGS(&m_compute_pipeline));
ASSERT_MSG(VIDEO, SUCCEEDED(hr), "Creating compute pipeline failed: {}", DX12HRWrap(hr));
if (m_compute_pipeline && !m_name.empty())
m_compute_pipeline->SetName(m_name.c_str());
return SUCCEEDED(hr);
}
} // namespace DX12
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