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Add base class TParseables for intrinsic / builtin generation.

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Add stubbed HLSL derivation.  GLSL derivation is still called TBuiltIns,
for historical compatibility.
This commit is contained in:
LoopDawg 2016-05-20 13:45:20 -06:00
parent 87a94fc0fa
commit 0ae28ea647
6 changed files with 277 additions and 41 deletions
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21
glslang/MachineIndependent/Initialize.cpp
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@ -1,6 +1,6 @@
//
//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
//Copyright (C) 2012-2015 LunarG, Inc.
//Copyright (C) 2012-2016 LunarG, Inc.
//Copyright (C) 2015-2016 Google, Inc.
//
//All rights reserved.
@ -43,9 +43,9 @@
// 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,
// TBuiltIns::identifyBuiltIns(...,symbolTable) context-independent programmatic additions/mappings to the symbol table,
// including identifying what extensions are needed if a version does not allow a symbol
// IdentifyBuiltIns(...,symbolTable, resources) context-dependent programmatic additions/mappings to the symbol table,
// TBuiltIns::identifyBuiltIns(...,symbolTable, resources) context-dependent programmatic additions/mappings to the symbol table,
// including identifying what extensions are needed if a version does not allow a symbol
//
@ -68,6 +68,16 @@ inline bool IncludeLegacy(int version, EProfile profile, int spv)
return profile != EEsProfile && (version <= 130 || (spv == 0 && ARBCompatibility) || profile == ECompatibilityProfile);
}
// Construct TBuiltInParseables base class. This can be used for language-common constructs.
TBuiltInParseables::TBuiltInParseables()
{
}
// Destroy TBuiltInParseables.
TBuiltInParseables::~TBuiltInParseables()
{
}
TBuiltIns::TBuiltIns()
{
// Set up textual representations for making all the permutations
@ -95,6 +105,7 @@ TBuiltIns::~TBuiltIns()
{
}
//
// Add all context-independent built-in functions and variables that are present
// for the given version and profile. Share common ones across stages, otherwise
@ -3525,7 +3536,7 @@ static void BuiltInVariable(const char* blockName, const char* name, TBuiltInVar
// 3) Tag extension-related symbols added to their base version with their extensions, so
// that if an early version has the extension turned off, there is an error reported on use.
//
void IdentifyBuiltIns(int version, EProfile profile, int spv, int vulkan, EShLanguage language, TSymbolTable& symbolTable)
void TBuiltIns::identifyBuiltIns(int version, EProfile profile, int spv, int vulkan, EShLanguage language, TSymbolTable& symbolTable)
{
//
// Tag built-in variables and functions with additional qualifier and extension information
@ -4221,7 +4232,7 @@ void IdentifyBuiltIns(int version, EProfile profile, int spv, int vulkan, EShLan
// 2) Tag extension-related symbols added to their base version with their extensions, so
// that if an early version has the extension turned off, there is an error reported on use.
//
void IdentifyBuiltIns(int version, EProfile profile, int spv, int /*vulkan*/, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources)
void TBuiltIns::identifyBuiltIns(int version, EProfile profile, int spv, int /*vulkan*/, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources)
{
if (profile != EEsProfile && version >= 430 && version < 440) {
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackBuffers", 1, &E_GL_ARB_enhanced_layouts);