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Revert "Merge pull request #2330 from ShabbyX/optimize_for_angle"

Browse source 
This reverts commit 1ee5d1c0bb, reversing
changes made to 906d48a7e8.
This commit is contained in:
John Kessenich 2020-07-13 03:39:08 -06:00
parent 5799f5befe
commit 4f32f93d7e
27 changed files with 3604 additions and 14164 deletions
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172
glslang/MachineIndependent/Initialize.cpp
View file

@ -147,10 +147,6 @@ EProfile EDesktopProfile = static_cast<EProfile>(ENoProfile | ECoreProfile | ECo
#ifdef GLSLANG_WEB
const Versioning* Es300Desktop130 = nullptr;
const Versioning* Es310Desktop420 = nullptr;
#elif defined(GLSLANG_ANGLE)
const Versioning* Es300Desktop130 = nullptr;
const Versioning* Es310Desktop420 = nullptr;
const Versioning* Es310Desktop450 = nullptr;
#else
const Versioning Es300Desktop130Version[] = { { EEsProfile, 0, 300, 0, nullptr },
{ EDesktopProfile, 0, 130, 0, nullptr },
@ -419,7 +415,7 @@ void AddTabledBuiltin(TString& decls, const BuiltInFunction& function)
// See if the tabled versioning information allows the current version.
bool ValidVersion(const BuiltInFunction& function, int version, EProfile profile, const SpvVersion& /* spVersion */)
{
#if defined(GLSLANG_WEB) || defined(GLSLANG_ANGLE)
#ifdef GLSLANG_WEB
// all entries in table are valid
return true;
#endif
@ -503,7 +499,7 @@ TBuiltIns::TBuiltIns()
prefixes[EbtFloat] = "";
prefixes[EbtInt] = "i";
prefixes[EbtUint] = "u";
#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
#ifndef GLSLANG_WEB
prefixes[EbtFloat16] = "f16";
prefixes[EbtInt8] = "i8";
prefixes[EbtUint8] = "u8";
@ -520,9 +516,7 @@ TBuiltIns::TBuiltIns()
dimMap[Esd3D] = 3;
dimMap[EsdCube] = 3;
#ifndef GLSLANG_WEB
#ifndef GLSLANG_ANGLE
dimMap[Esd1D] = 1;
#endif
dimMap[EsdRect] = 2;
dimMap[EsdBuffer] = 1;
dimMap[EsdSubpass] = 2; // potentially unused for now
@ -547,9 +541,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
#ifdef GLSLANG_WEB
version = 310;
profile = EEsProfile;
#elif defined(GLSLANG_ANGLE)
version = 450;
profile = ECoreProfile;
#endif
addTabledBuiltins(version, profile, spvVersion);
@ -595,7 +586,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"vec4 fwidthCoarse(vec4 p);"
);
#ifndef GLSLANG_ANGLE
TString derivativesAndControl16bits (
"float16_t dFdx(float16_t);"
"f16vec2 dFdx(f16vec2);"
@ -1183,7 +1173,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n"
);
}
#endif // !GLSLANG_ANGLE
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 430)) {
@ -1221,7 +1210,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#ifndef GLSLANG_ANGLE
if (profile != EEsProfile && version >= 440) {
commonBuiltins.append(
"uint64_t atomicMin(coherent volatile inout uint64_t, uint64_t);"
@ -1271,8 +1259,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"void atomicStore(coherent volatile out int64_t, int64_t, int, int, int);"
"\n");
}
#endif // !GLSLANG_ANGLE
#endif // !GLSLANG_WEB
#endif
if ((profile == EEsProfile && version >= 300) ||
(profile != EEsProfile && version >= 150)) { // GL_ARB_shader_bit_encoding
@ -1312,7 +1299,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#ifndef GLSLANG_ANGLE
if (profile != EEsProfile && version >= 150) { // ARB_gpu_shader_fp64
commonBuiltins.append(
"double fma(double, double, double);"
@ -1321,7 +1307,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"dvec4 fma(dvec4, dvec4, dvec4 );"
"\n");
}
#endif
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 400)) {
@ -1339,7 +1324,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#ifndef GLSLANG_ANGLE
if (profile != EEsProfile && version >= 150) { // ARB_gpu_shader_fp64
commonBuiltins.append(
"double frexp(double, out int);"
@ -1357,7 +1341,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#endif
#endif
if ((profile == EEsProfile && version >= 300) ||
@ -1467,7 +1450,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
}
#ifndef GLSLANG_WEB
#ifndef GLSLANG_ANGLE
//
// Original-style texture functions existing in all stages.
// (Per-stage functions below.)
@ -1616,7 +1598,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
}
#endif // !GLSLANG_ANGLE
// Bitfield
if ((profile == EEsProfile && version >= 310) ||
@ -1759,7 +1740,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#ifndef GLSLANG_ANGLE
// GL_ARB_shader_ballot
if (profile != EEsProfile && version >= 450) {
commonBuiltins.append(
@ -3080,7 +3060,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"bool textureFootprintGradClampNV(sampler2D, vec2, vec2, vec2, float, int, bool, out gl_TextureFootprint2DNV);"
"\n");
}
#endif // !GLSLANG_ANGLE
if ((profile == EEsProfile && version >= 300 && version < 310) ||
(profile != EEsProfile && version >= 150 && version < 450)) { // GL_EXT_shader_integer_mix
@ -3100,7 +3079,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#ifndef GLSLANG_ANGLE
// GL_AMD_gpu_shader_half_float/Explicit types
if (profile != EEsProfile && version >= 450) {
commonBuiltins.append(
@ -3951,30 +3929,28 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"f64vec3 log2(f64vec3);"
"f64vec4 log2(f64vec4);"
"\n");
}
}
if (profile != EEsProfile && version >= 450) {
stageBuiltins[EShLangFragment].append(derivativesAndControl64bits);
stageBuiltins[EShLangFragment].append(
"float64_t interpolateAtCentroid(float64_t);"
"f64vec2 interpolateAtCentroid(f64vec2);"
"f64vec3 interpolateAtCentroid(f64vec3);"
"f64vec4 interpolateAtCentroid(f64vec4);"
if (profile != EEsProfile && version >= 450) {
stageBuiltins[EShLangFragment].append(derivativesAndControl64bits);
stageBuiltins[EShLangFragment].append(
"float64_t interpolateAtCentroid(float64_t);"
"f64vec2 interpolateAtCentroid(f64vec2);"
"f64vec3 interpolateAtCentroid(f64vec3);"
"f64vec4 interpolateAtCentroid(f64vec4);"
"float64_t interpolateAtSample(float64_t, int);"
"f64vec2 interpolateAtSample(f64vec2, int);"
"f64vec3 interpolateAtSample(f64vec3, int);"
"f64vec4 interpolateAtSample(f64vec4, int);"
"float64_t interpolateAtSample(float64_t, int);"
"f64vec2 interpolateAtSample(f64vec2, int);"
"f64vec3 interpolateAtSample(f64vec3, int);"
"f64vec4 interpolateAtSample(f64vec4, int);"
"float64_t interpolateAtOffset(float64_t, f64vec2);"
"f64vec2 interpolateAtOffset(f64vec2, f64vec2);"
"f64vec3 interpolateAtOffset(f64vec3, f64vec2);"
"f64vec4 interpolateAtOffset(f64vec4, f64vec2);"
"float64_t interpolateAtOffset(float64_t, f64vec2);"
"f64vec2 interpolateAtOffset(f64vec2, f64vec2);"
"f64vec3 interpolateAtOffset(f64vec3, f64vec2);"
"f64vec4 interpolateAtOffset(f64vec4, f64vec2);"
"\n");
"\n");
}
#endif // !GLSLANG_ANGLE
//============================================================================
//
@ -3990,7 +3966,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
if (spvVersion.vulkan == 0 && IncludeLegacy(version, profile, spvVersion))
stageBuiltins[EShLangVertex].append("vec4 ftransform();");
#ifndef GLSLANG_ANGLE
//
// Original-style texture Functions with lod.
//
@ -4050,7 +4025,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
}
#endif // !GLSLANG_ANGLE
if ((profile != EEsProfile && version >= 150) ||
(profile == EEsProfile && version >= 310)) {
@ -4071,7 +4045,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"void EndPrimitive();"
"\n");
}
#endif // !GLSLANG_WEB
#endif
//============================================================================
//
@ -4131,7 +4105,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
commonBuiltins.append("void debugPrintfEXT();\n");
#ifndef GLSLANG_ANGLE
if (profile != EEsProfile && version >= 450) {
// coopMatStoreNV perhaps ought to have "out" on the buf parameter, but
// adding it introduces undesirable tempArgs on the stack. What we want
@ -4255,7 +4228,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#endif // !GLSLANG_ANGLE
// GL_ARB_derivative_control
if (profile != EEsProfile && version >= 400) {
@ -4293,7 +4265,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"bool helperInvocationEXT();"
"\n");
#ifndef GLSLANG_ANGLE
// GL_AMD_shader_explicit_vertex_parameter
if (profile != EEsProfile && version >= 450) {
stageBuiltins[EShLangFragment].append(
@ -4428,14 +4399,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"void executeCallableEXT(uint, int);"
"\n");
}
#endif // !GLSLANG_ANGLE
//E_SPV_NV_compute_shader_derivatives
if ((profile == EEsProfile && version >= 320) || (profile != EEsProfile && version >= 450)) {
stageBuiltins[EShLangCompute].append(derivativeControls);
stageBuiltins[EShLangCompute].append("\n");
}
#ifndef GLSLANG_ANGLE
if (profile != EEsProfile && version >= 450) {
stageBuiltins[EShLangCompute].append(derivativesAndControl16bits);
stageBuiltins[EShLangCompute].append(derivativesAndControl64bits);
@ -4448,8 +4417,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"void writePackedPrimitiveIndices4x8NV(uint, uint);"
"\n");
}
#endif // !GLSLANG_ANGLE
#endif // !GLSLANG_WEB
#endif
//============================================================================
//
@ -4486,7 +4454,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
#ifndef GLSLANG_WEB
if (spvVersion.spv == 0 && IncludeLegacy(version, profile, spvVersion)) {
//
// Matrix state. p. 31, 32, 37, 39, 40.
@ -4604,7 +4572,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
#endif // !GLSLANG_WEB && !GLSLANG_ANGLE
#endif
//============================================================================
//
@ -4635,7 +4603,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
}
#ifndef GLSLANG_WEB
#ifndef GLSLANG_ANGLE
//============================================================================
//
// Define the interface to the mesh/task shader.
@ -4723,7 +4690,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
}
#endif // !GLSLANG_ANGLE
//============================================================================
//
@ -5394,15 +5360,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
#ifndef GLSLANG_WEB
if ((profile != EEsProfile && version >= 140) ||
(profile == EEsProfile && version >= 310)) {
stageBuiltins[EShLangFragment].append(
"flat in highp int gl_DeviceIndex;" // GL_EXT_device_group
"flat in highp int gl_ViewIndex;" // GL_EXT_multiview
"\n");
}
#ifndef GLSLANG_ANGLE
// GL_ARB_shader_ballot
if (profile != EEsProfile && version >= 450) {
const char* ballotDecls =
@ -5433,6 +5390,14 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
stageBuiltins[EShLangTaskNV] .append(ballotDecls);
}
if ((profile != EEsProfile && version >= 140) ||
(profile == EEsProfile && version >= 310)) {
stageBuiltins[EShLangFragment].append(
"flat in highp int gl_DeviceIndex;" // GL_EXT_device_group
"flat in highp int gl_ViewIndex;" // GL_EXT_multiview
"\n");
}
// GL_KHR_shader_subgroup
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 140)) {
@ -5636,7 +5601,6 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
stageBuiltins[EShLangCallable].append(callableDecls);
}
if ((profile != EEsProfile && version >= 140)) {
const char *deviceIndex =
"in highp int gl_DeviceIndex;" // GL_EXT_device_group
@ -5649,6 +5613,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
stageBuiltins[EShLangMiss].append(deviceIndex);
}
if (version >= 300 /* both ES and non-ES */) {
stageBuiltins[EShLangFragment].append(
"flat in highp uint gl_ViewID_OVR;" // GL_OVR_multiview, GL_OVR_multiview2
"\n");
}
if ((profile != EEsProfile && version >= 420) ||
(profile == EEsProfile && version >= 310)) {
commonBuiltins.append("const int gl_ScopeDevice = 1;\n");
@ -5672,15 +5642,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
commonBuiltins.append("const int gl_StorageSemanticsImage = 0x800;\n");
commonBuiltins.append("const int gl_StorageSemanticsOutput = 0x1000;\n");
}
#endif // !GLSLANG_ANGLE
if (version >= 300 /* both ES and non-ES */) {
stageBuiltins[EShLangFragment].append(
"flat in highp uint gl_ViewID_OVR;" // GL_OVR_multiview, GL_OVR_multiview2
"\n");
}
#endif // !GLSLANG_WEB
#endif
// printf("%s\n", commonBuiltins.c_str());
// printf("%s\n", stageBuiltins[EShLangFragment].c_str());
@ -5698,16 +5660,13 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile, c
//
// enumerate all the types
const TBasicType bTypes[] = { EbtFloat, EbtInt, EbtUint,
#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
EbtFloat16
#endif
};
#ifdef GLSLANG_WEB
const TBasicType bTypes[] = { EbtFloat, EbtInt, EbtUint };
bool skipBuffer = true;
bool skipCubeArrayed = true;
const int image = 0;
#else
const TBasicType bTypes[] = { EbtFloat, EbtInt, EbtUint, EbtFloat16 };
bool skipBuffer = (profile == EEsProfile && version < 310) || (profile != EEsProfile && version < 140);
bool skipCubeArrayed = (profile == EEsProfile && version < 310) || (profile != EEsProfile && version < 130);
for (int image = 0; image <= 1; ++image) // loop over "bool" image vs sampler
@ -5732,13 +5691,8 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile, c
for (int arrayed = 0; arrayed <= 1; ++arrayed) { // loop over "bool" arrayed or not
#ifdef GLSLANG_WEB
for (int dim = Esd2D; dim <= EsdCube; ++dim) { // 2D, 3D, and Cube
#else
#if defined(GLSLANG_ANGLE)
// TODO: what is subpass?
for (int dim = Esd2D; dim < EsdSubpass; ++dim) { // 2D, ..., buffer
#else
for (int dim = Esd1D; dim < EsdNumDims; ++dim) { // 1D, ..., buffer, subpass
#endif
if (dim == EsdSubpass && spvVersion.vulkan == 0)
continue;
if (dim == EsdSubpass && (image || shadow || arrayed))
@ -6132,9 +6086,6 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
#ifdef GLSLANG_WEB
profile = EEsProfile;
version = 310;
#elif defined(GLSLANG_ANGLE)
profile = ECoreProfile;
version = 450;
#endif
//
@ -6211,8 +6162,8 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
continue;
// loop over 16-bit floating-point texel addressing
#if defined(GLSLANG_WEB) || defined(GLSLANG_ANGLE)
const bool f16TexAddr = false;
#ifdef GLSLANG_WEB
const int f16TexAddr = 0;
#else
for (int f16TexAddr = 0; f16TexAddr <= 1; ++f16TexAddr)
#endif
@ -6224,8 +6175,8 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
totalDims--;
}
// loop over "bool" lod clamp
#if defined(GLSLANG_WEB) || defined(GLSLANG_ANGLE)
const bool lodClamp = false;
#ifdef GLSLANG_WEB
const int lodClamp = 0;
#else
for (int lodClamp = 0; lodClamp <= 1 ;++lodClamp)
#endif
@ -6236,8 +6187,8 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
continue;
// loop over "bool" sparse or not
#if defined(GLSLANG_WEB) || defined(GLSLANG_ANGLE)
const bool sparse = false;
#ifdef GLSLANG_WEB
const int sparse = 0;
#else
for (int sparse = 0; sparse <= 1; ++sparse)
#endif
@ -6420,9 +6371,6 @@ void TBuiltIns::addGatherFunctions(TSampler sampler, const TString& typeName, in
#ifdef GLSLANG_WEB
profile = EEsProfile;
version = 310;
#elif defined(GLSLANG_ANGLE)
profile = ECoreProfile;
version = 450;
#endif
switch (sampler.dim) {
@ -6666,9 +6614,6 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
#ifdef GLSLANG_WEB
version = 310;
profile = EEsProfile;
#elif defined(GLSLANG_ANGLE)
version = 450;
profile = ECoreProfile;
#endif
//
@ -7097,7 +7042,6 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
s.append("\n");
}
#ifndef GLSLANG_ANGLE
// atomic counters (some in compute below)
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 420)) {
@ -7134,7 +7078,6 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
s.append("\n");
}
#endif // !GLSLANG_ANGLE
// GL_ARB_cull_distance
if (profile != EEsProfile && version >= 450) {
@ -7151,7 +7094,6 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
s.append(builtInConstant);
}
#ifndef GLSLANG_ANGLE
// SPV_NV_mesh_shader
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
snprintf(builtInConstant, maxSize, "const int gl_MaxMeshOutputVerticesNV = %d;", resources.maxMeshOutputVerticesNV);
@ -7174,7 +7116,6 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
s.append("\n");
}
#endif
#endif
s.append("\n");
@ -7259,9 +7200,6 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
#ifdef GLSLANG_WEB
version = 310;
profile = EEsProfile;
#elif defined(GLSLANG_ANGLE)
version = 450;
profile = ECoreProfile;
#endif
//
@ -7451,7 +7389,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
case EShLangTessEvaluation:
case EShLangGeometry:
#endif // !GLSLANG_WEB
#endif
SpecialQualifier("gl_Position", EvqPosition, EbvPosition, symbolTable);
SpecialQualifier("gl_PointSize", EvqPointSize, EbvPointSize, symbolTable);
@ -7612,7 +7550,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_WarpIDNV", EbvWarpID, symbolTable);
BuiltInVariable("gl_SMIDNV", EbvSMID, symbolTable);
}
#endif // !GLSLANG_WEB
#endif
break;
case EShLangFragment:
@ -8118,7 +8056,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
symbolTable.setFunctionExtensions("helperInvocationEXT", 1, &E_GL_EXT_demote_to_helper_invocation);
#endif // !GLSLANG_WEB
#endif
break;
case EShLangCompute:
@ -8250,10 +8188,10 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("dFdyCoarse", 1, &E_GL_NV_compute_shader_derivatives);
symbolTable.setFunctionExtensions("fwidthCoarse", 1, &E_GL_NV_compute_shader_derivatives);
}
#endif // !GLSLANG_WEB
#endif
break;
#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
#ifndef GLSLANG_WEB
case EShLangRayGen:
case EShLangIntersect:
case EShLangAnyHit:
@ -9156,7 +9094,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
default:
assert(false && "Language not supported");
}
#endif // !GLSLANG_WEB
#endif
}
//
@ -9171,10 +9109,6 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources)
{
#ifndef GLSLANG_WEB
#if defined(GLSLANG_ANGLE)
profile = ECoreProfile;
version = 450;
#endif
if (profile != EEsProfile && version >= 430 && version < 440) {
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackBuffers", 1, &E_GL_ARB_enhanced_layouts);
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackInterleavedComponents", 1, &E_GL_ARB_enhanced_layouts);