bool ShaderD3D::postTranslateCompile(gl::Compiler *compiler, std::string *infoLog)
{
// TODO(jmadill): We shouldn't need to cache this.
mCompilerOutputType = compiler->getShaderOutputType();
const std::string &translatedSource = mData.getTranslatedSource();
mUsesMultipleRenderTargets = translatedSource.find("GL_USES_MRT") != std::string::npos;
mUsesFragColor = translatedSource.find("GL_USES_FRAG_COLOR") != std::string::npos;
mUsesFragData = translatedSource.find("GL_USES_FRAG_DATA") != std::string::npos;
mUsesFragCoord = translatedSource.find("GL_USES_FRAG_COORD") != std::string::npos;
mUsesFrontFacing = translatedSource.find("GL_USES_FRONT_FACING") != std::string::npos;
mUsesPointSize = translatedSource.find("GL_USES_POINT_SIZE") != std::string::npos;
mUsesPointCoord = translatedSource.find("GL_USES_POINT_COORD") != std::string::npos;
mUsesDepthRange = translatedSource.find("GL_USES_DEPTH_RANGE") != std::string::npos;
mUsesFragDepth = translatedSource.find("GL_USES_FRAG_DEPTH") != std::string::npos;
mUsesDiscardRewriting =
translatedSource.find("ANGLE_USES_DISCARD_REWRITING") != std::string::npos;
mUsesNestedBreak = translatedSource.find("ANGLE_USES_NESTED_BREAK") != std::string::npos;
mRequiresIEEEStrictCompiling =
translatedSource.find("ANGLE_REQUIRES_IEEE_STRICT_COMPILING") != std::string::npos;
ShHandle compilerHandle = compiler->getCompilerHandle(mData.getShaderType());
mUniformRegisterMap = GetUniformRegisterMap(ShGetUniformRegisterMap(compilerHandle));
for (const sh::InterfaceBlock &interfaceBlock : mData.getInterfaceBlocks())
{
if (interfaceBlock.staticUse)
{
unsigned int index = static_cast<unsigned int>(-1);
bool blockRegisterResult =
ShGetInterfaceBlockRegister(compilerHandle, interfaceBlock.name, &index);
UNUSED_ASSERTION_VARIABLE(blockRegisterResult);
ASSERT(blockRegisterResult);
mInterfaceBlockRegisterMap[interfaceBlock.name] = index;
}
}
mDebugInfo +=
std::string("// ") + GetShaderTypeString(mData.getShaderType()) + " SHADER BEGIN\n";
mDebugInfo += "\n// GLSL BEGIN\n\n" + mData.getSource() + "\n\n// GLSL END\n\n\n";
mDebugInfo += "// INITIAL HLSL BEGIN\n\n" + translatedSource + "\n// INITIAL HLSL END\n\n\n";
// Successive steps will append more info
return true;
}
void ShaderD3D::compileToHLSL(ShHandle compiler, const std::string &source)
{
int compileOptions = (SH_OBJECT_CODE | SH_VARIABLES);
// D3D11 Feature Level 9_3 and below do not support non-constant loop indexers in fragment
// shaders.
// Shader compilation will fail. To provide a better error message we can instruct the
// compiler to pre-validate.
if (mRenderer->getRendererLimitations().shadersRequireIndexedLoopValidation)
{
compileOptions |= SH_VALIDATE_LOOP_INDEXING;
}
std::string sourcePath;
#if !defined (ANGLE_ENABLE_WINDOWS_STORE)
if (gl::DebugAnnotationsActive())
{
sourcePath = getTempPath();
writeFile(sourcePath.c_str(), source.c_str(), source.length());
compileOptions |= SH_LINE_DIRECTIVES;
}
#endif
int result;
if (sourcePath.empty())
{
const char* sourceStrings[] =
{
source.c_str(),
};
result = ShCompile(compiler, sourceStrings, ArraySize(sourceStrings), compileOptions);
}
else
{
const char* sourceStrings[] =
{
sourcePath.c_str(),
source.c_str(),
};
result = ShCompile(compiler, sourceStrings, ArraySize(sourceStrings), compileOptions | SH_SOURCE_PATH);
}
mShaderVersion = ShGetShaderVersion(compiler);
if (result)
{
mTranslatedSource = ShGetObjectCode(compiler);
#ifdef _DEBUG
// Prefix hlsl shader with commented out glsl shader
// Useful in diagnostics tools like pix which capture the hlsl shaders
std::ostringstream hlslStream;
hlslStream << "// GLSL\n";
hlslStream << "//\n";
size_t curPos = 0;
while (curPos != std::string::npos)
{
size_t nextLine = source.find("\n", curPos);
size_t len = (nextLine == std::string::npos) ? std::string::npos : (nextLine - curPos + 1);
hlslStream << "// " << source.substr(curPos, len);
curPos = (nextLine == std::string::npos) ? std::string::npos : (nextLine + 1);
}
hlslStream << "\n\n";
hlslStream << mTranslatedSource;
mTranslatedSource = hlslStream.str();
#endif
mUniforms = *GetShaderVariables(ShGetUniforms(compiler));
for (size_t uniformIndex = 0; uniformIndex < mUniforms.size(); uniformIndex++)
{
const sh::Uniform &uniform = mUniforms[uniformIndex];
if (uniform.staticUse && !uniform.isBuiltIn())
{
unsigned int index = static_cast<unsigned int>(-1);
bool getUniformRegisterResult = ShGetUniformRegister(compiler, uniform.name, &index);
UNUSED_ASSERTION_VARIABLE(getUniformRegisterResult);
ASSERT(getUniformRegisterResult);
mUniformRegisterMap[uniform.name] = index;
}
}
mInterfaceBlocks = *GetShaderVariables(ShGetInterfaceBlocks(compiler));
for (size_t blockIndex = 0; blockIndex < mInterfaceBlocks.size(); blockIndex++)
{
const sh::InterfaceBlock &interfaceBlock = mInterfaceBlocks[blockIndex];
if (interfaceBlock.staticUse)
{
unsigned int index = static_cast<unsigned int>(-1);
bool blockRegisterResult = ShGetInterfaceBlockRegister(compiler, interfaceBlock.name, &index);
UNUSED_ASSERTION_VARIABLE(blockRegisterResult);
ASSERT(blockRegisterResult);
mInterfaceBlockRegisterMap[interfaceBlock.name] = index;
}
}
}
else
{
mInfoLog = ShGetInfoLog(compiler);
TRACE("\n%s", mInfoLog.c_str());
}
}
void ShaderD3D::compileToHLSL(void *compiler, const std::string &source)
{
// ensure the compiler is loaded
initializeCompiler();
int compileOptions = (SH_OBJECT_CODE | SH_VARIABLES);
std::string sourcePath;
#if !defined (ANGLE_ENABLE_WINDOWS_STORE)
if (gl::perfActive())
{
sourcePath = getTempPath();
writeFile(sourcePath.c_str(), source.c_str(), source.length());
compileOptions |= SH_LINE_DIRECTIVES;
}
#endif
int result;
if (sourcePath.empty())
{
const char* sourceStrings[] =
{
source.c_str(),
};
result = ShCompile(compiler, sourceStrings, ArraySize(sourceStrings), compileOptions);
}
else
{
const char* sourceStrings[] =
{
sourcePath.c_str(),
source.c_str(),
};
result = ShCompile(compiler, sourceStrings, ArraySize(sourceStrings), compileOptions | SH_SOURCE_PATH);
}
mShaderVersion = ShGetShaderVersion(compiler);
if (mShaderVersion == 300 && mRenderer->getCurrentClientVersion() < 3)
{
mInfoLog = "GLSL ES 3.00 is not supported by OpenGL ES 2.0 contexts";
TRACE("\n%s", mInfoLog.c_str());
}
else if (result)
{
mHlsl = ShGetObjectCode(compiler);
#ifdef _DEBUG
// Prefix hlsl shader with commented out glsl shader
// Useful in diagnostics tools like pix which capture the hlsl shaders
std::ostringstream hlslStream;
hlslStream << "// GLSL\n";
hlslStream << "//\n";
size_t curPos = 0;
while (curPos != std::string::npos)
{
size_t nextLine = source.find("\n", curPos);
size_t len = (nextLine == std::string::npos) ? std::string::npos : (nextLine - curPos + 1);
hlslStream << "// " << source.substr(curPos, len);
curPos = (nextLine == std::string::npos) ? std::string::npos : (nextLine + 1);
}
hlslStream << "\n\n";
hlslStream << mHlsl;
mHlsl = hlslStream.str();
#endif
mUniforms = *GetShaderVariables(ShGetUniforms(compiler));
for (size_t uniformIndex = 0; uniformIndex < mUniforms.size(); uniformIndex++)
{
const sh::Uniform &uniform = mUniforms[uniformIndex];
if (uniform.staticUse)
{
unsigned int index = -1;
bool result = ShGetUniformRegister(compiler, uniform.name, &index);
UNUSED_ASSERTION_VARIABLE(result);
ASSERT(result);
mUniformRegisterMap[uniform.name] = index;
}
}
mInterfaceBlocks = *GetShaderVariables(ShGetInterfaceBlocks(compiler));
for (size_t blockIndex = 0; blockIndex < mInterfaceBlocks.size(); blockIndex++)
{
const sh::InterfaceBlock &interfaceBlock = mInterfaceBlocks[blockIndex];
if (interfaceBlock.staticUse)
{
unsigned int index = -1;
bool result = ShGetInterfaceBlockRegister(compiler, interfaceBlock.name, &index);
UNUSED_ASSERTION_VARIABLE(result);
ASSERT(result);
mInterfaceBlockRegisterMap[interfaceBlock.name] = index;
}
}
}
else
{
mInfoLog = ShGetInfoLog(compiler);
TRACE("\n%s", mInfoLog.c_str());
}
}
