BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add GL_OES_standard_derivatives. Also added extension infrastructure that allows built-in symbols to be tagged with extensions and automatically error checked against them.

Browse source 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24002 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-11 20:31:45 +00:00
parent 115a0adc29
commit 06a37c3964
9 changed files with 150 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

15
glslang/MachineIndependent/Initialize.cpp
View file

@ -42,8 +42,10 @@
// Where to put a built-in:
// TBuiltIns::initialize(version,profile) context-independent textual built-ins; add them to the right string
// TBuiltIns::initialize(resources,...) context-dependent textual built-ins; add them to the right string
// IdentifyBuiltIns(...,symbolTable) context-independent programmatic additions/mappings to the symbol table
// IdentifyBuiltIns(...,symbolTable, resources) context-dependent programmatic additions/mappings to the symbol table
// IdentifyBuiltIns(...,symbolTable) context-independent programmatic additions/mappings to the symbol table,
// including identify what extensions are needed if a version does not allow a symbol
// IdentifyBuiltIns(...,symbolTable, resources) context-dependent programmatic additions/mappings to the symbol table,
// including identify what extensions are needed if a version does not allow a symbol
//
#include "../Include/intermediate.h"
@ -2120,8 +2122,8 @@ void SpecialQualifier(const char* name, TStorageQualifier qualifier, TSymbolTabl
void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymbolTable& symbolTable)
{
//
// First, insert some special built-in variables that are not in
// the built-in text strings.
// Tag built-in variables and functions with additional qualifier and extension information
// that cannot be declared with the text strings.
//
switch(language) {
case EShLangVertex:
@ -2141,6 +2143,11 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
SpecialQualifier("gl_PointCoord", EvqPointCoord, symbolTable);
SpecialQualifier("gl_FragColor", EvqFragColor, symbolTable);
SpecialQualifier("gl_FragDepth", EvqFragDepth, symbolTable);
if (version == 100) {
symbolTable.setFunctionExtensions("dFdx", 1, &GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("dFdy", 1, &GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("fwidth", 1, &GL_OES_standard_derivatives);
}
break;
case EShLangCompute: