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rhi: d3d12: Handle wants-debug-info flag on the dxc path

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Task-number: QTBUG-114768
Change-Id: I529f53dd85ef6a6e337cf13208aaa6dbf535fd26
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
This commit is contained in:
Laszlo Agocs 2023-06-26 11:09:34 +02:00
parent 97d7fdfeee
commit f3cf1fd760
1 changed files with 27 additions and 9 deletions
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36
src/gui/rhi/qrhid3d12.cpp
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@ -4853,7 +4853,12 @@ static inline void makeHlslTargetString(char target[7], const char stage[3], int
target[6] = '\0';
}
static QByteArray legacyCompile(const QShaderCode &hlslSource, const char *target, UINT flags, QString *error)
enum class HlslCompileFlag
{
WithDebugInfo = 0x01
};
static QByteArray legacyCompile(const QShaderCode &hlslSource, const char *target, int flags, QString *error)
{
static const pD3DCompile d3dCompile = QRhiD3D::resolveD3DCompile();
if (!d3dCompile) {
@ -4863,9 +4868,13 @@ static QByteArray legacyCompile(const QShaderCode &hlslSource, const char *targe
ID3DBlob *bytecode = nullptr;
ID3DBlob *errors = nullptr;
UINT d3dCompileFlags = 0;
if (flags & int(HlslCompileFlag::WithDebugInfo))
d3dCompileFlags |= D3DCOMPILE_DEBUG;
HRESULT hr = d3dCompile(hlslSource.shader().constData(), SIZE_T(hlslSource.shader().size()),
nullptr, nullptr, nullptr,
hlslSource.entryPoint().constData(), target, flags, 0, &bytecode, &errors);
hlslSource.entryPoint().constData(), target, d3dCompileFlags, 0, &bytecode, &errors);
if (FAILED(hr) || !bytecode) {
qWarning("HLSL shader compilation failed: 0x%x", uint(hr));
if (errors) {
@ -4884,7 +4893,7 @@ static QByteArray legacyCompile(const QShaderCode &hlslSource, const char *targe
}
#ifdef QRHI_D3D12_HAS_DXC
static QByteArray dxcCompile(const QShaderCode &hlslSource, const char *target, UINT flags, QString *error)
static QByteArray dxcCompile(const QShaderCode &hlslSource, const char *target, int flags, QString *error)
{
static std::pair<IDxcCompiler *, IDxcLibrary *> dxc = QRhiD3D::createDxcCompiler();
IDxcCompiler *compiler = dxc.first;
@ -4912,12 +4921,21 @@ static QByteArray dxcCompile(const QShaderCode &hlslSource, const char *target,
const QString entryPointStr = QString::fromLatin1(hlslSource.entryPoint());
const QString targetStr = QString::fromLatin1(target);
QVarLengthArray<LPCWSTR, 4> argPtrs;
QString debugArg;
if (flags & int(HlslCompileFlag::WithDebugInfo)) {
debugArg = QString::fromUtf16(reinterpret_cast<const char16_t *>(DXC_ARG_DEBUG));
argPtrs.append(reinterpret_cast<LPCWSTR>(debugArg.utf16()));
}
IDxcOperationResult *result = nullptr;
hr = compiler->Compile(sourceBlob,
nullptr,
reinterpret_cast<LPCWSTR>(entryPointStr.utf16()),
reinterpret_cast<LPCWSTR>(targetStr.utf16()),
nullptr, 0, nullptr, 0, nullptr,
argPtrs.data(), argPtrs.count(),
nullptr, 0,
nullptr,
&result);
sourceBlob->Release();
if (SUCCEEDED(hr))
@ -4957,7 +4975,7 @@ static QByteArray dxcCompile(const QShaderCode &hlslSource, const char *target,
static QByteArray compileHlslShaderSource(const QShader &shader,
QShader::Variant shaderVariant,
UINT flags,
int flags,
QString *error,
QShaderKey *usedShaderKey)
{
@ -5314,9 +5332,9 @@ bool QD3D12GraphicsPipeline::create()
} else {
QString error;
QShaderKey shaderKey;
UINT compileFlags = 0;
int compileFlags = 0;
if (m_flags.testFlag(CompileShadersWithDebugInfo))
compileFlags |= D3DCOMPILE_DEBUG;
compileFlags |= int(HlslCompileFlag::WithDebugInfo);
const QByteArray bytecode = compileHlslShaderSource(shaderStage.shader(),
shaderStage.shaderVariant(),
compileFlags,
@ -5580,9 +5598,9 @@ bool QD3D12ComputePipeline::create()
} else {
QString error;
QShaderKey shaderKey;
UINT compileFlags = 0;
int compileFlags = 0;
if (m_flags.testFlag(CompileShadersWithDebugInfo))
compileFlags |= D3DCOMPILE_DEBUG;
compileFlags |= int(HlslCompileFlag::WithDebugInfo);
const QByteArray bytecode = compileHlslShaderSource(m_shaderStage.shader(),
m_shaderStage.shaderVariant(),
compileFlags,