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Add support for extension GL_ARB_shader_storage_buffer_object (#2184)

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Enable below features for GL Core version 420:
* layout qualifier "std430"
* storage qualifier "buffer"
* atomic memory functions
This commit is contained in:
pmistryNV 2020-04-22 21:46:52 -07:00 • committed by GitHub
parent 02c70ad10e
commit 7d65f09b83
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 105 additions and 12 deletions
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33
glslang/MachineIndependent/Initialize.cpp
View file

@ -153,6 +153,11 @@ EProfile EDesktopProfile = static_cast<EProfile>(ENoProfile | ECoreProfile | ECo
{ EBadProfile } };
const Versioning* Es300Desktop130 = &Es300Desktop130Version[0];
const Versioning Es310Desktop420Version[] = { { EEsProfile, 0, 310, 0, nullptr },
{ EDesktopProfile, 0, 420, 0, nullptr },
{ EBadProfile } };
const Versioning* Es310Desktop420 = &Es310Desktop420Version[0];
const Versioning Es310Desktop430Version[] = { { EEsProfile, 0, 310, 0, nullptr },
{ EDesktopProfile, 0, 430, 0, nullptr },
{ EBadProfile } };
@ -256,14 +261,14 @@ const BuiltInFunction BaseFunctions[] = {
{ EOpGreaterThanEqual, "greaterThanEqual", 2, TypeU, ClassBNS, Es300Desktop130 },
{ EOpVectorEqual, "equal", 2, TypeU, ClassBNS, Es300Desktop130 },
{ EOpVectorNotEqual, "notEqual", 2, TypeU, ClassBNS, Es300Desktop130 },
{ EOpAtomicAdd, "atomicAdd", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicMin, "atomicMin", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicMax, "atomicMax", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicAnd, "atomicAnd", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicOr, "atomicOr", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicXor, "atomicXor", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicExchange, "atomicExchange", 2, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicCompSwap, "atomicCompSwap", 3, TypeIU, ClassV1FIOCV, Es310Desktop430 },
{ EOpAtomicAdd, "atomicAdd", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicMin, "atomicMin", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicMax, "atomicMax", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicAnd, "atomicAnd", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicOr, "atomicOr", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicXor, "atomicXor", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicExchange, "atomicExchange", 2, TypeIU, ClassV1FIOCV, Es310Desktop420 },
{ EOpAtomicCompSwap, "atomicCompSwap", 3, TypeIU, ClassV1FIOCV, Es310Desktop420 },
#ifndef GLSLANG_WEB
{ EOpMix, "mix", 3, TypeB, ClassRegular, Es310Desktop450 },
{ EOpMix, "mix", 3, TypeIU, ClassLB, Es310Desktop450 },
@ -7827,6 +7832,18 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("imageSize", 1, &E_GL_ARB_shader_image_size);
}
// GL_ARB_shader_storage_buffer_object
if (profile != EEsProfile && version < 430 ) {
symbolTable.setFunctionExtensions("atomicAdd", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicMin", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicMax", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicAnd", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicOr", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicXor", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicExchange", 1, &E_GL_ARB_shader_storage_buffer_object);
symbolTable.setFunctionExtensions("atomicCompSwap", 1, &E_GL_ARB_shader_storage_buffer_object);
}
symbolTable.setVariableExtensions("gl_DeviceIndex", 1, &E_GL_EXT_device_group);
BuiltInVariable("gl_DeviceIndex", EbvDeviceIndex, symbolTable);
symbolTable.setVariableExtensions("gl_ViewIndex", 1, &E_GL_EXT_multiview);

4
glslang/MachineIndependent/ParseHelper.cpp
View file

@ -4899,7 +4899,7 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
#ifndef GLSLANG_WEB
if (id == TQualifier::getLayoutPackingString(ElpStd430)) {
requireProfile(loc, EEsProfile | ECoreProfile | ECompatibilityProfile, "std430");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 430, nullptr, "std430");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 430, E_GL_ARB_shader_storage_buffer_object, "std430");
profileRequires(loc, EEsProfile, 310, nullptr, "std430");
publicType.qualifier.layoutPacking = ElpStd430;
return;
@ -7669,7 +7669,7 @@ void TParseContext::blockStageIoCheck(const TSourceLoc& loc, const TQualifier& q
break;
case EvqBuffer:
requireProfile(loc, EEsProfile | ECoreProfile | ECompatibilityProfile, "buffer block");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 430, nullptr, "buffer block");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 430, E_GL_ARB_shader_storage_buffer_object, "buffer block");
profileRequires(loc, EEsProfile, 310, nullptr, "buffer block");
break;
case EvqVaryingIn:

3
glslang/MachineIndependent/Scan.cpp
View file

@ -917,7 +917,8 @@ int TScanContext::tokenizeIdentifier()
case BUFFER:
afterBuffer = true;
if ((parseContext.isEsProfile() && parseContext.version < 310) ||
(!parseContext.isEsProfile() && parseContext.version < 430))
(!parseContext.isEsProfile() && (parseContext.version < 430 &&
!parseContext.extensionTurnedOn(E_GL_ARB_shader_storage_buffer_object))))
return identifierOrType();
return keyword;

2
glslang/MachineIndependent/Versions.cpp
View file

@ -199,6 +199,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_ARB_sample_shading] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_bit_encoding] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_image_size] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_storage_buffer_object] = EBhDisable;
extensionBehavior[E_GL_KHR_shader_subgroup_basic] = EBhDisable;
extensionBehavior[E_GL_KHR_shader_subgroup_vote] = EBhDisable;
@ -413,6 +414,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_ARB_fragment_shader_interlock 1\n"
"#define GL_ARB_uniform_buffer_object 1\n"
"#define GL_ARB_shader_bit_encoding 1\n"
"#define GL_ARB_shader_storage_buffer_object 1\n"
"#define GL_EXT_shader_non_constant_global_initializers 1\n"
"#define GL_EXT_shader_image_load_formatted 1\n"
"#define GL_EXT_post_depth_coverage 1\n"

1
glslang/MachineIndependent/Versions.h
View file

@ -154,6 +154,7 @@ const char* const E_GL_ARB_uniform_buffer_object = "GL_ARB_uniform_buffer
const char* const E_GL_ARB_sample_shading = "GL_ARB_sample_shading";
const char* const E_GL_ARB_shader_bit_encoding = "GL_ARB_shader_bit_encoding";
const char* const E_GL_ARB_shader_image_size = "GL_ARB_shader_image_size";
const char* const E_GL_ARB_shader_storage_buffer_object = "GL_ARB_shader_storage_buffer_object";
const char* const E_GL_KHR_shader_subgroup_basic = "GL_KHR_shader_subgroup_basic";
const char* const E_GL_KHR_shader_subgroup_vote = "GL_KHR_shader_subgroup_vote";