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Compiler - only declare used HLSL functions 

TRAC #11315
Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch
Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@75 736b8ea6-26fd-11df-bfd4-992fa37f6226
This commit is contained in:
daniel@transgaming.com 2010-03-28 19:36:06 +00:00
Родитель 5e417109f6
Коммит e78c0c9975
3 изменённых файлов: 140 добавлений и 139 удалений
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265
src/compiler/OutputHLSL.cpp
Просмотреть файл

@ -411,6 +411,113 @@ void OutputHLSL::header()
"\n";
}
void OutputHLSL::footer()
{
EShLanguage language = context.language;
TInfoSinkBase &out = context.infoSink.obj;
TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel();
if (language == EShLangFragment)
{
out << "PS_OUTPUT main(PS_INPUT input)\n" // FIXME: Prevent name clashes
"{\n"
" float rhw = 1.0 / input.gl_FragCoord.w;\n"
" gl_FragCoord.x = (input.gl_FragCoord.x * rhw) * gl_Window.x + gl_Window.z;\n"
" gl_FragCoord.y = (input.gl_FragCoord.y * rhw) * gl_Window.y + gl_Window.w;\n"
" gl_FragCoord.z = (input.gl_FragCoord.z * rhw) * gl_Depth.x + gl_Depth.y;\n"
" gl_FragCoord.w = rhw;\n"
" gl_FrontFacing = __frontCCW ? (input.__vFace >= 0.0) : (input.__vFace <= 0.0);\n";
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
if (symbol->isVariable())
{
const TVariable *variable = static_cast<const TVariable*>(symbol);
const TType &type = variable->getType();
TQualifier qualifier = type.getQualifier();
if (qualifier == EvqVaryingIn)
{
out << " " + name + " = input." + name + ";\n"; // FIXME: Prevent name clashes
}
}
}
out << "\n"
" gl_main();\n"
"\n"
" PS_OUTPUT output;\n" // FIXME: Prevent name clashes
" output.gl_Color[0] = gl_Color[0];\n"; // FIXME: Prevent name clashes
TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel();
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
}
}
else
{
out << "VS_OUTPUT main(VS_INPUT input)\n" // FIXME: Prevent name clashes
"{\n";
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
if (symbol->isVariable())
{
const TVariable *variable = static_cast<const TVariable*>(symbol);
const TType &type = variable->getType();
TQualifier qualifier = type.getQualifier();
if (qualifier == EvqAttribute)
{
out << " " + name + " = input." + name + ";\n"; // FIXME: Prevent name clashes
}
}
}
out << "\n"
" gl_main();\n"
"\n"
" VS_OUTPUT output;\n" // FIXME: Prevent name clashes
" output.gl_Position.x = gl_Position.x - gl_HalfPixelSize.x * gl_Position.w;\n"
" output.gl_Position.y = -(gl_Position.y - gl_HalfPixelSize.y * gl_Position.w);\n"
" output.gl_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n"
" output.gl_Position.w = gl_Position.w;\n"
" output.gl_PointSize = gl_PointSize;\n"
" output.gl_FragCoord = gl_Position;\n";
TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel();
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
if (symbol->isVariable())
{
const TVariable *variable = static_cast<const TVariable*>(symbol);
TQualifier qualifier = variable->getType().getQualifier();
if (qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut)
{
out << " output." + name + " = " + name + ";\n"; // FIXME: Prevent name clashes
}
}
}
}
out << " return output;\n" // FIXME: Prevent name clashes
"}\n";
}
void OutputHLSL::visitSymbol(TIntermSymbol *node)
{
TInfoSinkBase &out = context.infoSink.obj;
@ -678,151 +785,41 @@ bool OutputHLSL::visitAggregate(Visit visit, TIntermAggregate *node)
{
if (name == "main")
{
TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel();
if (language == EShLangFragment)
{
out << "PS_OUTPUT main(PS_INPUT input)\n" // FIXME: Prevent name clashes
"{\n"
" float rhw = 1.0 / input.gl_FragCoord.w;\n"
" gl_FragCoord.x = (input.gl_FragCoord.x * rhw) * gl_Window.x + gl_Window.z;\n"
" gl_FragCoord.y = (input.gl_FragCoord.y * rhw) * gl_Window.y + gl_Window.w;\n"
" gl_FragCoord.z = (input.gl_FragCoord.z * rhw) * gl_Depth.x + gl_Depth.y;\n"
" gl_FragCoord.w = rhw;\n"
" gl_FrontFacing = __frontCCW ? (input.__vFace >= 0.0) : (input.__vFace <= 0.0);\n";
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
if (symbol->isVariable())
{
const TVariable *variable = static_cast<const TVariable*>(symbol);
const TType &type = variable->getType();
TQualifier qualifier = type.getQualifier();
if(qualifier == EvqVaryingIn)
{
out << " " + name + " = input." + name + ";\n"; // FIXME: Prevent name clashes
}
}
}
}
else
{
out << "VS_OUTPUT main(VS_INPUT input)\n" // FIXME: Prevent name clashes
"{\n";
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
if (symbol->isVariable())
{
const TVariable *variable = static_cast<const TVariable*>(symbol);
const TType &type = variable->getType();
TQualifier qualifier = type.getQualifier();
if (qualifier == EvqAttribute)
{
out << " " + name + " = input." + name + ";\n"; // FIXME: Prevent name clashes
}
}
}
}
// Erase the (empty) argument list
TIntermSequence &sequence = node->getSequence();
sequence.erase(sequence.begin());
name = "gl_main";
}
else
out << typeString(node->getType()) << " " << name << "(";
TIntermSequence &sequence = node->getSequence();
TIntermSequence &arguments = sequence[0]->getAsAggregate()->getSequence();
for (unsigned int i = 0; i < arguments.size(); i++)
{
out << typeString(node->getType()) << " " << name << "(";
TIntermSymbol *symbol = arguments[i]->getAsSymbolNode();
TIntermSequence &sequence = node->getSequence();
TIntermSequence &arguments = sequence[0]->getAsAggregate()->getSequence();
for (unsigned int i = 0; i < arguments.size(); i++)
if (symbol)
{
TIntermSymbol *symbol = arguments[i]->getAsSymbolNode();
const TType &type = symbol->getType();
const TString &name = symbol->getSymbol();
if (symbol)
out << typeString(type) + " " + name;
if (i < arguments.size() - 1)
{
const TType &type = symbol->getType();
const TString &name = symbol->getSymbol();
out << typeString(type) + " " + name;
if(i < arguments.size() - 1)
{
out << ", ";
}
out << ", ";
}
else UNREACHABLE();
}
sequence.erase(sequence.begin());
out << ")\n"
"{\n";
else UNREACHABLE();
}
sequence.erase(sequence.begin());
out << ")\n"
"{\n";
}
else if (visit == PostVisit)
{
if (name == "main")
{
if (language == EShLangFragment)
{
out << " PS_OUTPUT output;\n" // FIXME: Prevent name clashes
" output.gl_Color[0] = gl_Color[0];\n"; // FIXME: Prevent name clashes
TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel();
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
}
}
else
{
out << " VS_OUTPUT output;\n" // FIXME: Prevent name clashes
" output.gl_Position.x = gl_Position.x - gl_HalfPixelSize.x * gl_Position.w;\n"
" output.gl_Position.y = -(gl_Position.y - gl_HalfPixelSize.y * gl_Position.w);\n"
" output.gl_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n"
" output.gl_Position.w = gl_Position.w;\n"
" output.gl_PointSize = 1.0;\n"
" output.gl_FragCoord = gl_Position;\n";
TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel();
for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++)
{
const TSymbol *symbol = (*namedSymbol).second;
const TString &name = symbol->getName();
if (symbol->isVariable())
{
const TVariable *variable = static_cast<const TVariable*>(symbol);
TQualifier qualifier = variable->getType().getQualifier();
if(qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut)
{
out << " output." + name + " = " + name + ";\n"; // FIXME: Prevent name clashes
}
}
}
}
out << " return output;\n" // FIXME: Prevent name clashes
"}\n";
}
else
{
out << "}\n";
}
out << "}\n";
}
}
break;
@ -944,7 +941,7 @@ bool OutputHLSL::visitSelection(Visit visit, TIntermSelection *node)
{
TInfoSinkBase &out = context.infoSink.obj;
if(node->getType().getBasicType() == EbtVoid) // if/else statement
if (node->getType().getBasicType() == EbtVoid) // if/else statement
{
out << "if(";

1
src/compiler/OutputHLSL.h
Просмотреть файл

@ -23,6 +23,7 @@ class OutputHLSL : public TIntermTraverser
OutputHLSL(TParseContext &context);
void header();
void footer();
protected:
void visitSymbol(TIntermSymbol*);

13
src/compiler/TranslatorHLSL.cpp
Просмотреть файл

@ -7,16 +7,19 @@
#include "TranslatorHLSL.h"
#include "OutputHLSL.h"
TranslatorHLSL::TranslatorHLSL(EShLanguage l, int dOptions)
: TCompiler(l),
debugOptions(dOptions) {
TranslatorHLSL::TranslatorHLSL(EShLanguage language, int debugOptions)
: TCompiler(language), debugOptions(debugOptions)
{
}
bool TranslatorHLSL::compile(TIntermNode* root) {
bool TranslatorHLSL::compile(TIntermNode *root)
{
TParseContext& parseContext = *GetGlobalParseContext();
sh::OutputHLSL outputHLSL(parseContext);
outputHLSL.header();
parseContext.treeRoot->traverse(&outputHLSL);
outputHLSL.footer();
return true;
}