本文整理汇总了C++中TSymbolTable::relateToExtension方法的典型用法代码示例。如果您正苦于以下问题：C++ TSymbolTable::relateToExtension方法的具体用法？C++ TSymbolTable::relateToExtension怎么用？C++ TSymbolTable::relateToExtension使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TSymbolTable的用法示例。
在下文中一共展示了TSymbolTable::relateToExtension方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: IdentifyBuiltIns
void IdentifyBuiltIns(ShShaderType type, ShShaderSpec spec,
const ShBuiltInResources &resources,
TSymbolTable &symbolTable)
{
//
// First, insert some special built-in variables that are not in
// the built-in header files.
//
switch(type) {
case SH_FRAGMENT_SHADER:
symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FragCoord"), TType(EbtFloat, EbpMedium, EvqFragCoord, 4)));
symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_FrontFacing"), TType(EbtBool, EbpUndefined, EvqFrontFacing, 1)));
symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointCoord"), TType(EbtFloat, EbpMedium, EvqPointCoord, 2)));
//
// In CSS Shaders, gl_FragColor, gl_FragData, and gl_MaxDrawBuffers are not available.
// Instead, css_MixColor and css_ColorMatrix are available.
//
if (spec != SH_CSS_SHADERS_SPEC) {
symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragColor"), TType(EbtFloat, EbpMedium, EvqFragColor, 4)));
symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragData[gl_MaxDrawBuffers]"), TType(EbtFloat, EbpMedium, EvqFragData, 4)));
if (resources.EXT_frag_depth) {
symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("gl_FragDepthEXT"), TType(EbtFloat, resources.FragmentPrecisionHigh ? EbpHigh : EbpMedium, EvqFragDepth, 1)));
symbolTable.relateToExtension(ESSL1_BUILTINS, "gl_FragDepthEXT", "GL_EXT_frag_depth");
}
} else {
symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("css_MixColor"), TType(EbtFloat, EbpMedium, EvqGlobal, 4)));
symbolTable.insert(ESSL1_BUILTINS, *new TVariable(NewPoolTString("css_ColorMatrix"), TType(EbtFloat, EbpMedium, EvqGlobal, 4, 4)));
}
break;
case SH_VERTEX_SHADER:
symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_Position"), TType(EbtFloat, EbpHigh, EvqPosition, 4)));
symbolTable.insert(COMMON_BUILTINS, *new TVariable(NewPoolTString("gl_PointSize"), TType(EbtFloat, EbpMedium, EvqPointSize, 1)));
break;
default: assert(false && "Language not supported");
}
//
// Next, identify which built-ins from the already loaded headers have
// a mapping to an operator. Those that are not identified as such are
// expected to be resolved through a library of functions, versus as
// operations.
//
symbolTable.relateToOperator(COMMON_BUILTINS, "matrixCompMult", EOpMul);
symbolTable.relateToOperator(COMMON_BUILTINS, "equal", EOpVectorEqual);
symbolTable.relateToOperator(COMMON_BUILTINS, "notEqual", EOpVectorNotEqual);
symbolTable.relateToOperator(COMMON_BUILTINS, "lessThan", EOpLessThan);
symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThan", EOpGreaterThan);
symbolTable.relateToOperator(COMMON_BUILTINS, "lessThanEqual", EOpLessThanEqual);
symbolTable.relateToOperator(COMMON_BUILTINS, "greaterThanEqual", EOpGreaterThanEqual);
symbolTable.relateToOperator(COMMON_BUILTINS, "radians", EOpRadians);
symbolTable.relateToOperator(COMMON_BUILTINS, "degrees", EOpDegrees);
symbolTable.relateToOperator(COMMON_BUILTINS, "sin", EOpSin);
symbolTable.relateToOperator(COMMON_BUILTINS, "cos", EOpCos);
symbolTable.relateToOperator(COMMON_BUILTINS, "tan", EOpTan);
symbolTable.relateToOperator(COMMON_BUILTINS, "asin", EOpAsin);
symbolTable.relateToOperator(COMMON_BUILTINS, "acos", EOpAcos);
symbolTable.relateToOperator(COMMON_BUILTINS, "atan", EOpAtan);
symbolTable.relateToOperator(COMMON_BUILTINS, "pow", EOpPow);
symbolTable.relateToOperator(COMMON_BUILTINS, "exp2", EOpExp2);
symbolTable.relateToOperator(COMMON_BUILTINS, "log", EOpLog);
symbolTable.relateToOperator(COMMON_BUILTINS, "exp", EOpExp);
symbolTable.relateToOperator(COMMON_BUILTINS, "log2", EOpLog2);
symbolTable.relateToOperator(COMMON_BUILTINS, "sqrt", EOpSqrt);
symbolTable.relateToOperator(COMMON_BUILTINS, "inversesqrt", EOpInverseSqrt);
symbolTable.relateToOperator(COMMON_BUILTINS, "abs", EOpAbs);
symbolTable.relateToOperator(COMMON_BUILTINS, "sign", EOpSign);
symbolTable.relateToOperator(COMMON_BUILTINS, "floor", EOpFloor);
symbolTable.relateToOperator(COMMON_BUILTINS, "ceil", EOpCeil);
symbolTable.relateToOperator(COMMON_BUILTINS, "fract", EOpFract);
symbolTable.relateToOperator(COMMON_BUILTINS, "mod", EOpMod);
symbolTable.relateToOperator(COMMON_BUILTINS, "min", EOpMin);
symbolTable.relateToOperator(COMMON_BUILTINS, "max", EOpMax);
symbolTable.relateToOperator(COMMON_BUILTINS, "clamp", EOpClamp);
symbolTable.relateToOperator(COMMON_BUILTINS, "mix", EOpMix);
symbolTable.relateToOperator(COMMON_BUILTINS, "step", EOpStep);
symbolTable.relateToOperator(COMMON_BUILTINS, "smoothstep", EOpSmoothStep);
symbolTable.relateToOperator(COMMON_BUILTINS, "length", EOpLength);
symbolTable.relateToOperator(COMMON_BUILTINS, "distance", EOpDistance);
symbolTable.relateToOperator(COMMON_BUILTINS, "dot", EOpDot);
symbolTable.relateToOperator(COMMON_BUILTINS, "cross", EOpCross);
symbolTable.relateToOperator(COMMON_BUILTINS, "normalize", EOpNormalize);
symbolTable.relateToOperator(COMMON_BUILTINS, "faceforward", EOpFaceForward);
symbolTable.relateToOperator(COMMON_BUILTINS, "reflect", EOpReflect);
symbolTable.relateToOperator(COMMON_BUILTINS, "refract", EOpRefract);
symbolTable.relateToOperator(COMMON_BUILTINS, "any", EOpAny);
symbolTable.relateToOperator(COMMON_BUILTINS, "all", EOpAll);
symbolTable.relateToOperator(COMMON_BUILTINS, "not", EOpVectorLogicalNot);
// Map language-specific operators.
switch(type) {
//.........这里部分代码省略.........