mirror of
https://github.com/doitsujin/dxvk.git
synced 2024-12-13 16:08:50 +01:00
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
#include "d3d11_device.h"
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#include "d3d11_shader.h"
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namespace dxvk {
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static std::string GetEnvVar(LPCWSTR name) {
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DWORD len = ::GetEnvironmentVariableW(name, nullptr, 0);
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std::wstring result;
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while (len > result.size()) {
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result.resize(len);
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len = ::GetEnvironmentVariableW(
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name, result.data(), result.size());
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}
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result.resize(len);
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return str::fromws(result);
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}
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D3D11ShaderModule:: D3D11ShaderModule() { }
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D3D11ShaderModule::~D3D11ShaderModule() { }
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D3D11ShaderModule::D3D11ShaderModule(
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D3D11Device* pDevice,
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const void* pShaderBytecode,
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size_t BytecodeLength) {
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DxbcReader reader(
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reinterpret_cast<const char*>(pShaderBytecode),
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BytecodeLength);
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DxbcModule module(reader);
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SpirvCodeBuffer spirvCode = module.compile();
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// TODO pre-process shader bindings
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std::vector<DxvkResourceSlot> resourceSlots;
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// If requested by the user, dump both the raw DXBC
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// shader and the compiled SPIR-V module to a file.
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const std::string dumpPath = GetEnvVar(L"DXVK_SHADER_DUMP_PATH");
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if (dumpPath.size() != 0) {
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const std::string baseName = str::format(dumpPath, "/",
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ConstructFileName(ComputeShaderHash(pShaderBytecode, BytecodeLength),
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module.version().type()));
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reader.store(std::ofstream(str::format(baseName, ".dxbc"),
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std::ios_base::binary | std::ios_base::trunc));
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spirvCode.store(std::ofstream(str::format(baseName, ".spv"),
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std::ios_base::binary | std::ios_base::trunc));
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}
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m_shader = pDevice->GetDXVKDevice()->createShader(
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module.version().shaderStage(),
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resourceSlots.size(),
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resourceSlots.data(),
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spirvCode);
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}
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Sha1Hash D3D11ShaderModule::ComputeShaderHash(
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const void* pShaderBytecode,
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size_t BytecodeLength) const {
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return Sha1Hash::compute(
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reinterpret_cast<const uint8_t*>(pShaderBytecode),
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BytecodeLength);
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}
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std::string D3D11ShaderModule::ConstructFileName(
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const Sha1Hash& hash,
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const DxbcProgramType& type) const {
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std::string typeStr;
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switch (type) {
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case DxbcProgramType::PixelShader: typeStr = "PS_"; break;
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case DxbcProgramType::VertexShader: typeStr = "VS_"; break;
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case DxbcProgramType::GeometryShader: typeStr = "GS_"; break;
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case DxbcProgramType::HullShader: typeStr = "HS_"; break;
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case DxbcProgramType::DomainShader: typeStr = "DS_"; break;
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case DxbcProgramType::ComputeShader: typeStr = "CS_"; break;
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}
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return str::format(typeStr, hash.toString());
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}
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}
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