TString UniformHLSL::uniformsHeader(ShShaderOutput outputType, const ReferencedSymbols &referencedUniforms)
{
TString uniforms;
for (ReferencedSymbols::const_iterator uniformIt = referencedUniforms.begin();
uniformIt != referencedUniforms.end(); uniformIt++)
{
const TIntermSymbol &uniform = *uniformIt->second;
const TType &type = uniform.getType();
const TString &name = uniform.getSymbol();
int registerIndex = declareUniformAndAssignRegister(type, name);
if (outputType == SH_HLSL11_OUTPUT && IsSampler(type.getBasicType())) // Also declare the texture
{
uniforms += "uniform " + SamplerString(type) + " sampler_" + DecorateUniform(name, type) + ArrayString(type) +
" : register(s" + str(registerIndex) + ");\n";
uniforms += "uniform " + TextureString(type) + " texture_" + DecorateUniform(name, type) + ArrayString(type) +
" : register(t" + str(registerIndex) + ");\n";
}
else
{
const TStructure *structure = type.getStruct();
const TString &typeName = (structure ? QualifiedStructNameString(*structure, false, false) : TypeString(type));
const TString ®isterString = TString("register(") + UniformRegisterPrefix(type) + str(registerIndex) + ")";
uniforms += "uniform " + typeName + " " + DecorateUniform(name, type) + ArrayString(type) + " : " + registerString + ";\n";
}
}
return (uniforms.empty() ? "" : ("// Uniforms\n\n" + uniforms));
}
TString UniformHLSL::uniformsHeader(ShShaderOutput outputType, const ReferencedSymbols &referencedUniforms)
{
TString uniforms;
for (ReferencedSymbols::const_iterator uniformIt = referencedUniforms.begin();
uniformIt != referencedUniforms.end(); uniformIt++)
{
const TIntermSymbol &uniform = *uniformIt->second;
const TType &type = uniform.getType();
const TString &name = uniform.getSymbol();
unsigned int registerIndex = declareUniformAndAssignRegister(type, name);
if (outputType == SH_HLSL11_OUTPUT && IsSampler(type.getBasicType())) // Also declare the texture
{
uniforms += "uniform " + SamplerString(type) + " sampler_" + DecorateUniform(name, type) + ArrayString(type) +
" : register(s" + str(registerIndex) + ");\n";
uniforms += "uniform " + TextureString(type) + " texture_" + DecorateUniform(name, type) + ArrayString(type) +
" : register(t" + str(registerIndex) + ");\n";
}
else
{
const TStructure *structure = type.getStruct();
// If this is a nameless struct, we need to use its full definition, rather than its (empty) name.
// TypeString() will invoke defineNameless in this case; qualifier prefixes are unnecessary for
// nameless structs in ES, as nameless structs cannot be used anywhere that layout qualifiers are
// permitted.
const TString &typeName = ((structure && !structure->name().empty()) ?
QualifiedStructNameString(*structure, false, false) : TypeString(type));
const TString ®isterString = TString("register(") + UniformRegisterPrefix(type) + str(registerIndex) + ")";
uniforms += "uniform " + typeName + " " + DecorateUniform(name, type) + ArrayString(type) + " : " + registerString + ";\n";
}
}
return (uniforms.empty() ? "" : ("// Uniforms\n\n" + uniforms));
}
void UniformHLSL::outputUniform(TInfoSinkBase &out,
const TType &type,
const TName &name,
const unsigned int registerIndex)
{
const TStructure *structure = type.getStruct();
// If this is a nameless struct, we need to use its full definition, rather than its (empty)
// name.
// TypeString() will invoke defineNameless in this case; qualifier prefixes are unnecessary for
// nameless structs in ES, as nameless structs cannot be used anywhere that layout qualifiers
// are permitted.
const TString &typeName = ((structure && !structure->name().empty())
? QualifiedStructNameString(*structure, false, false)
: TypeString(type));
const TString ®isterString =
TString("register(") + UniformRegisterPrefix(type) + str(registerIndex) + ")";
out << "uniform " << typeName << " ";
out << DecorateUniform(name, type);
out << ArrayString(type) << " : " << registerString << ";\n";
}
void UniformHLSL::uniformsHeader(TInfoSinkBase &out,
ShShaderOutput outputType,
const ReferencedSymbols &referencedUniforms)
{
if (!referencedUniforms.empty())
{
out << "// Uniforms\n\n";
}
// In the case of HLSL 4, sampler uniforms need to be grouped by type before the code is
// written. They are grouped based on the combination of the HLSL texture type and
// HLSL sampler type, enumerated in HLSLTextureSamplerGroup.
TVector<TVector<const TIntermSymbol *>> groupedSamplerUniforms;
groupedSamplerUniforms.resize(HLSL_TEXTURE_MAX + 1);
for (auto &uniformIt : referencedUniforms)
{
// Output regular uniforms. Group sampler uniforms by type.
const TIntermSymbol &uniform = *uniformIt.second;
const TType &type = uniform.getType();
const TString &name = uniform.getSymbol();
if (outputType == SH_HLSL_4_1_OUTPUT && IsSampler(type.getBasicType()))
{
HLSLTextureSamplerGroup group = TextureGroup(type.getBasicType());
groupedSamplerUniforms[group].push_back(&uniform);
}
else if (outputType == SH_HLSL_4_0_FL9_3_OUTPUT && IsSampler(type.getBasicType()))
{
unsigned int registerIndex = declareUniformAndAssignRegister(type, name);
out << "uniform " << SamplerString(type.getBasicType()) << " sampler_"
<< DecorateUniform(name, type) << ArrayString(type) << " : register(s"
<< str(registerIndex) << ");\n";
out << "uniform " << TextureString(type.getBasicType()) << " texture_"
<< DecorateUniform(name, type) << ArrayString(type) << " : register(t"
<< str(registerIndex) << ");\n";
}
else
{
unsigned int registerIndex = declareUniformAndAssignRegister(type, name);
const TStructure *structure = type.getStruct();
// If this is a nameless struct, we need to use its full definition, rather than its (empty) name.
// TypeString() will invoke defineNameless in this case; qualifier prefixes are unnecessary for
// nameless structs in ES, as nameless structs cannot be used anywhere that layout qualifiers are
// permitted.
const TString &typeName = ((structure && !structure->name().empty()) ?
QualifiedStructNameString(*structure, false, false) : TypeString(type));
const TString ®isterString = TString("register(") + UniformRegisterPrefix(type) + str(registerIndex) + ")";
out << "uniform " << typeName << " " << DecorateUniform(name, type) << ArrayString(type)
<< " : " << registerString << ";\n";
}
}
if (outputType == SH_HLSL_4_1_OUTPUT)
{
unsigned int groupTextureRegisterIndex = 0;
// TEXTURE_2D is special, index offset is assumed to be 0 and omitted in that case.
ASSERT(HLSL_TEXTURE_MIN == HLSL_TEXTURE_2D);
for (int groupId = HLSL_TEXTURE_MIN; groupId < HLSL_TEXTURE_MAX; ++groupId)
{
outputHLSLSamplerUniformGroup(out, HLSLTextureSamplerGroup(groupId),
groupedSamplerUniforms[groupId],
&groupTextureRegisterIndex);
}
}
}
