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Only output referenced attributes, uniforms and varyings 

TRAC #11590
Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@163 736b8ea6-26fd-11df-bfd4-992fa37f6226
This commit is contained in:
daniel@transgaming.com 2010-04-20 18:52:06 +00:00
Родитель 5024cc4940
Коммит 86f7c9df37
2 изменённых файлов: 60 добавлений и 17 удалений
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73
src/compiler/OutputHLSL.cpp
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@ -94,15 +94,21 @@ void OutputHLSL::header()
if (qualifier == EvqUniform)
{
uniforms += "uniform " + typeString(type) + " " + decorate(name) + arrayString(type) + ";\n";
if (mReferencedUniforms.find(name.c_str()) != mReferencedUniforms.end())
{
uniforms += "uniform " + typeString(type) + " " + decorate(name) + arrayString(type) + ";\n";
}
}
else if (qualifier == EvqVaryingIn || qualifier == EvqInvariantVaryingIn)
{
// Program linking depends on this exact format
varyingInput += " " + typeString(type) + " " + decorate(name) + arrayString(type) + " : TEXCOORD" + str(semanticIndex) + ";\n";
varyingGlobals += "static " + typeString(type) + " " + decorate(name) + arrayString(type) + " = " + initializer(type) + ";\n";
if (mReferencedVaryings.find(name.c_str()) != mReferencedVaryings.end())
{
// Program linking depends on this exact format
varyingInput += " " + typeString(type) + " " + decorate(name) + arrayString(type) + " : TEXCOORD" + str(semanticIndex) + ";\n";
varyingGlobals += "static " + typeString(type) + " " + decorate(name) + arrayString(type) + " = " + initializer(type) + ";\n";
semanticIndex += type.isArray() ? type.getArraySize() : 1;
semanticIndex += type.isArray() ? type.getArraySize() : 1;
}
}
else if (qualifier == EvqGlobal || qualifier == EvqTemporary)
{
@ -231,20 +237,29 @@ void OutputHLSL::header()
if (qualifier == EvqUniform)
{
uniforms += "uniform " + typeString(type) + " " + decorate(name) + arrayString(type) + ";\n";
if (mReferencedUniforms.find(name.c_str()) != mReferencedUniforms.end())
{
uniforms += "uniform " + typeString(type) + " " + decorate(name) + arrayString(type) + ";\n";
}
}
else if (qualifier == EvqAttribute)
{
attributeInput += " " + typeString(type) + " " + decorate(name) + arrayString(type) + " : TEXCOORD" + str(semanticIndex) + ";\n";
attributeGlobals += "static " + typeString(type) + " " + decorate(name) + arrayString(type) + " = " + initializer(type) + ";\n";
if (mReferencedAttributes.find(name.c_str()) != mReferencedAttributes.end())
{
attributeInput += " " + typeString(type) + " " + decorate(name) + arrayString(type) + " : TEXCOORD" + str(semanticIndex) + ";\n";
attributeGlobals += "static " + typeString(type) + " " + decorate(name) + arrayString(type) + " = " + initializer(type) + ";\n";
semanticIndex += type.isArray() ? type.getArraySize() : 1;
semanticIndex += type.isArray() ? type.getArraySize() : 1;
}
}
else if (qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut)
{
// Program linking depends on this exact format
varyingOutput += " " + typeString(type) + " " + decorate(name) + arrayString(type) + " : TEXCOORD0;\n"; // Actual semantic index assigned during link
varyingGlobals += "static " + typeString(type) + " " + decorate(name) + arrayString(type) + " = " + initializer(type) + ";\n";
if (mReferencedVaryings.find(name.c_str()) != mReferencedVaryings.end())
{
// Program linking depends on this exact format
varyingOutput += " " + typeString(type) + " " + decorate(name) + arrayString(type) + " : TEXCOORD0;\n"; // Actual semantic index assigned during link
varyingGlobals += "static " + typeString(type) + " " + decorate(name) + arrayString(type) + " = " + initializer(type) + ";\n";
}
}
else if (qualifier == EvqGlobal || qualifier == EvqTemporary)
{
@ -617,9 +632,12 @@ void OutputHLSL::footer()
const TType &type = variable->getType();
TQualifier qualifier = type.getQualifier();
if (qualifier == EvqVaryingIn)
if (qualifier == EvqVaryingIn || qualifier == EvqInvariantVaryingIn)
{
out << " " + decorate(name) + " = input." + decorate(name) + ";\n";
if (mReferencedVaryings.find(name.c_str()) != mReferencedVaryings.end())
{
out << " " + decorate(name) + " = input." + decorate(name) + ";\n";
}
}
}
}
@ -648,7 +666,10 @@ void OutputHLSL::footer()
if (qualifier == EvqAttribute)
{
out << " " + decorate(name) + " = input." + decorate(name) + ";\n";
if (mReferencedAttributes.find(name.c_str()) != mReferencedAttributes.end())
{
out << " " + decorate(name) + " = input." + decorate(name) + ";\n";
}
}
}
}
@ -678,8 +699,11 @@ void OutputHLSL::footer()
if (qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut)
{
// Program linking depends on this exact format
out << " output." + decorate(name) + " = " + decorate(name) + ";\n";
if (mReferencedVaryings.find(name.c_str()) != mReferencedVaryings.end())
{
// Program linking depends on this exact format
out << " output." + decorate(name) + " = " + decorate(name) + ";\n";
}
}
}
}
@ -705,6 +729,21 @@ void OutputHLSL::visitSymbol(TIntermSymbol *node)
}
else
{
TQualifier qualifier = node->getQualifier();
if (qualifier == EvqUniform)
{
mReferencedUniforms.insert(name.c_str());
}
else if (qualifier == EvqAttribute)
{
mReferencedAttributes.insert(name.c_str());
}
else if (qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut || qualifier == EvqVaryingIn || qualifier == EvqInvariantVaryingIn)
{
mReferencedVaryings.insert(name.c_str());
}
out << decorate(name);
}
}

4
src/compiler/OutputHLSL.h
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@ -57,6 +57,10 @@ class OutputHLSL : public TIntermTraverser
TInfoSinkBase mBody;
TInfoSinkBase mFooter;
std::set<std::string> mReferencedUniforms;
std::set<std::string> mReferencedAttributes;
std::set<std::string> mReferencedVaryings;
// Parameters determining what goes in the header output
bool mUsesTexture2D;
bool mUsesTexture2D_bias;