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Merge pull request #1507 from sparmarNV/fix-SPV_NV_mesh_shader

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Add ES 320 support and additional error checks for SPV_NV_mesh_shader
This commit is contained in:
John Kessenich 2018-09-28 06:24:02 -06:00 • committed by GitHub
commit 4508a8170a
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 1416 additions and 1097 deletions
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46
glslang/MachineIndependent/Initialize.cpp
View file

@ -4878,7 +4878,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"void barrier();"
);
#ifdef NV_EXTENSIONS
if ((profile != EEsProfile && version >= 450) || esBarrier) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
stageBuiltins[EShLangMeshNV].append(
"void barrier();"
);
@ -4903,7 +4903,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
);
}
#ifdef NV_EXTENSIONS
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
stageBuiltins[EShLangMeshNV].append(
"void memoryBarrierShared();"
"void groupMemoryBarrier();"
@ -5094,7 +5094,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
}
// Builtins for GL_NV_mesh_shader
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
stageBuiltins[EShLangMeshNV].append(
"void writePackedPrimitiveIndices4x8NV(uint, uint);"
"\n");
@ -5287,7 +5287,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
//
//============================================================================
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
// per-vertex attributes
stageBuiltins[EShLangMeshNV].append(
"out gl_MeshPerVertexNV {"
@ -5328,17 +5328,8 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"in highp uvec3 gl_GlobalInvocationID;"
"in highp uint gl_LocalInvocationIndex;"
"in highp int gl_DeviceIndex;" // GL_EXT_device_group
"in int gl_DrawIDARB;" // GL_ARB_shader_draw_parameters
"\n");
if (version >= 460) {
stageBuiltins[EShLangMeshNV].append(
"in int gl_DrawID;"
);
}
stageBuiltins[EShLangTaskNV].append(
"out uint gl_TaskCountNV;"
@ -5350,15 +5341,28 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"in highp uvec3 gl_GlobalInvocationID;"
"in highp uint gl_LocalInvocationIndex;"
"\n");
}
if (profile != EEsProfile && version >= 450) {
stageBuiltins[EShLangMeshNV].append(
"in highp int gl_DeviceIndex;" // GL_EXT_device_group
"in int gl_DrawIDARB;" // GL_ARB_shader_draw_parameters
"\n");
stageBuiltins[EShLangTaskNV].append(
"in highp int gl_DeviceIndex;" // GL_EXT_device_group
"in int gl_DrawIDARB;" // GL_ARB_shader_draw_parameters
"\n");
if (version >= 460) {
stageBuiltins[EShLangMeshNV].append(
"in int gl_DrawID;"
"\n");
stageBuiltins[EShLangTaskNV].append(
"in int gl_DrawID;"
);
"\n");
}
}
#endif
@ -7658,7 +7662,7 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
#ifdef NV_EXTENSIONS
// SPV_NV_mesh_shader
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
snprintf(builtInConstant, maxSize, "const int gl_MaxMeshOutputVerticesNV = %d;", resources.maxMeshOutputVerticesNV);
s.append(builtInConstant);
@ -8633,7 +8637,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
break;
case EShLangMeshNV:
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
// Per-vertex builtins
BuiltInVariable("gl_MeshVerticesNV", "gl_Position", EbvPosition, symbolTable);
BuiltInVariable("gl_MeshVerticesNV", "gl_PointSize", EbvPointSize, symbolTable);
@ -8681,7 +8685,9 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("barrier", 1, &E_GL_NV_mesh_shader);
symbolTable.setFunctionExtensions("memoryBarrierShared", 1, &E_GL_NV_mesh_shader);
symbolTable.setFunctionExtensions("groupMemoryBarrier", 1, &E_GL_NV_mesh_shader);
}
if (profile != EEsProfile && version >= 450) {
// GL_EXT_device_group
symbolTable.setVariableExtensions("gl_DeviceIndex", 1, &E_GL_EXT_device_group);
BuiltInVariable("gl_DeviceIndex", EbvDeviceIndex, symbolTable);
@ -8743,7 +8749,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
break;
case EShLangTaskNV:
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
symbolTable.setVariableExtensions("gl_TaskCountNV", 1, &E_GL_NV_mesh_shader);
symbolTable.setVariableExtensions("gl_WorkGroupSize", 1, &E_GL_NV_mesh_shader);
symbolTable.setVariableExtensions("gl_WorkGroupID", 1, &E_GL_NV_mesh_shader);
@ -8763,7 +8769,9 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("barrier", 1, &E_GL_NV_mesh_shader);
symbolTable.setFunctionExtensions("memoryBarrierShared", 1, &E_GL_NV_mesh_shader);
symbolTable.setFunctionExtensions("groupMemoryBarrier", 1, &E_GL_NV_mesh_shader);
}
if (profile != EEsProfile && version >= 450) {
// GL_EXT_device_group
symbolTable.setVariableExtensions("gl_DeviceIndex", 1, &E_GL_EXT_device_group);
BuiltInVariable("gl_DeviceIndex", EbvDeviceIndex, symbolTable);
@ -9379,12 +9387,12 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
break;
case EShLangMeshNV:
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
symbolTable.relateToOperator("writePackedPrimitiveIndices4x8NV", EOpWritePackedPrimitiveIndices4x8NV);
}
// fall through
case EShLangTaskNV:
if (profile != EEsProfile && version >= 450) {
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 320)) {
symbolTable.relateToOperator("memoryBarrierShared", EOpMemoryBarrierShared);
symbolTable.relateToOperator("groupMemoryBarrier", EOpGroupMemoryBarrier);
}

20
glslang/MachineIndependent/ParseHelper.cpp
View file

@ -612,7 +612,7 @@ int TParseContext::getIoArrayImplicitSize(bool isPerPrimitive) const
return 3; //Number of vertices for Fragment shader is always three.
else if (language == EShLangMeshNV) {
if (isPerPrimitive) {
return intermediate.getPrimitives() != TQualifier::layoutNotSet ? intermediate.getPrimitives() : 0;
return intermediate.getPrimitives() != TQualifier::layoutNotSet ? intermediate.getPrimitives() : 0;
} else {
return intermediate.getVertices() != TQualifier::layoutNotSet ? intermediate.getVertices() : 0;
}
@ -3602,6 +3602,14 @@ void TParseContext::arraySizesCheck(const TSourceLoc& loc, const TQualifier& qua
extensionsTurnedOn(Num_AEP_tessellation_shader, AEP_tessellation_shader))
return;
break;
#ifdef NV_EXTENSIONS
case EShLangMeshNV:
if (qualifier.storage == EvqVaryingOut)
if ((profile == EEsProfile && version >= 320) ||
extensionTurnedOn(E_GL_NV_mesh_shader))
return;
break;
#endif
default:
break;
}
@ -4462,6 +4470,12 @@ void TParseContext::finish()
if (profile != EEsProfile && version < 430)
requireExtensions(getCurrentLoc(), 1, &E_GL_ARB_compute_shader, "compute shaders");
break;
#ifdef NV_EXTENSIONS
case EShLangTaskNV:
case EShLangMeshNV:
requireExtensions(getCurrentLoc(), 1, &E_GL_NV_mesh_shader, "mesh shaders");
break;
#endif
default:
break;
}
@ -4965,12 +4979,14 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
#ifdef NV_EXTENSIONS
case EShLangMeshNV:
if (id == "max_vertices") {
requireExtensions(loc, 1, &E_GL_NV_mesh_shader, "max_vertices");
publicType.shaderQualifiers.vertices = value;
if (value > resources.maxMeshOutputVerticesNV)
error(loc, "too large, must be less than gl_MaxMeshOutputVerticesNV", "max_vertices", "");
return;
}
if (id == "max_primitives") {
requireExtensions(loc, 1, &E_GL_NV_mesh_shader, "max_primitives");
publicType.shaderQualifiers.primitives = value;
if (value > resources.maxMeshOutputPrimitivesNV)
error(loc, "too large, must be less than gl_MaxMeshOutputPrimitivesNV", "max_primitives", "");
@ -4985,7 +5001,7 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
if (id.compare(0, 11, "local_size_") == 0) {
#ifdef NV_EXTENSIONS
if (language == EShLangMeshNV || language == EShLangTaskNV) {
profileRequires(loc, ~EEsProfile, 450, E_GL_NV_mesh_shader, "gl_WorkGroupSize");
requireExtensions(loc, 1, &E_GL_NV_mesh_shader, "gl_WorkGroupSize");
}
else
#endif

5
glslang/MachineIndependent/Scan.cpp
View file

@ -1591,8 +1591,9 @@ int TScanContext::tokenizeIdentifier()
case PERPRIMITIVENV:
case PERVIEWNV:
case PERTASKNV:
if (parseContext.profile != EEsProfile &&
(parseContext.version >= 450 || parseContext.extensionTurnedOn(E_GL_NV_mesh_shader)))
if ((parseContext.profile != EEsProfile && parseContext.version >= 450) ||
(parseContext.profile == EEsProfile && parseContext.version >= 320) ||
parseContext.extensionTurnedOn(E_GL_NV_mesh_shader))
return keyword;
return identifierOrType();
#endif

13
glslang/MachineIndependent/ShaderLang.cpp
View file

@ -361,13 +361,16 @@ bool InitializeSymbolTables(TInfoSink& infoSink, TSymbolTable** commonTable, TS
InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangMissNV, source,
infoSink, commonTable, symbolTables);
}
// check for mesh
if (profile != EEsProfile && version >= 450)
if ((profile != EEsProfile && version >= 450) ||
(profile == EEsProfile && version >= 320))
InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangMeshNV, source,
infoSink, commonTable, symbolTables);
// check for task
if (profile != EEsProfile && version >= 450)
if ((profile != EEsProfile && version >= 450) ||
(profile == EEsProfile && version >= 320))
InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangTaskNV, source,
infoSink, commonTable, symbolTables);
#endif
@ -610,11 +613,11 @@ bool DeduceVersionProfile(TInfoSink& infoSink, EShLanguage stage, bool versionNo
break;
case EShLangMeshNV:
case EShLangTaskNV:
if ((profile == EEsProfile) ||
if ((profile == EEsProfile && version < 320) ||
(profile != EEsProfile && version < 450)) {
correct = false;
infoSink.info.message(EPrefixError, "#version: mesh/task shaders require non-es profile with version 450 or above");
version = 450;
infoSink.info.message(EPrefixError, "#version: mesh/task shaders require es profile with version 320 or above, or non-es profile with version 450 or above");
version = profile == EEsProfile ? 320 : 450;
}
#endif
default:

14
glslang/MachineIndependent/Versions.cpp
View file

@ -742,6 +742,9 @@ void TParseVersions::updateExtensionBehavior(int line, const char* extension, co
return;
}
// check if extension is used with correct shader stage
checkExtensionStage(getCurrentLoc(), extension);
// update the requested extension
updateExtensionBehavior(extension, behavior);
@ -834,6 +837,17 @@ void TParseVersions::updateExtensionBehavior(const char* extension, TExtensionBe
}
}
// Check if extension is used with correct shader stage.
void TParseVersions::checkExtensionStage(const TSourceLoc& loc, const char * const extension)
{
#ifdef NV_EXTENSIONS
// GL_NV_mesh_shader extension is only allowed in task/mesh shaders
if (strcmp(extension, "GL_NV_mesh_shader") == 0)
requireStage(loc, (EShLanguageMask)(EShLangTaskNVMask | EShLangMeshNVMask),
"#extension GL_NV_mesh_shader");
#endif
}
// Call for any operation needing full GLSL integer data-type support.
void TParseVersions::fullIntegerCheck(const TSourceLoc& loc, const char* op)
{

6
glslang/MachineIndependent/glslang.y
View file

@ -1158,7 +1158,9 @@ interpolation_qualifier
| PERPRIMITIVENV {
#ifdef NV_EXTENSIONS
parseContext.globalCheck($1.loc, "perprimitiveNV");
parseContext.requireStage($1.loc, (EShLanguageMask)(EShLangFragmentMask | EShLangMeshNVMask), "perprimitiveNV");
parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_NV_mesh_shader, "perprimitiveNV");
parseContext.profileRequires($1.loc, EEsProfile, 320, E_GL_NV_mesh_shader, "perprimitiveNV");
$$.init($1.loc);
$$.qualifier.perPrimitiveNV = true;
#endif
@ -1166,7 +1168,9 @@ interpolation_qualifier
| PERVIEWNV {
#ifdef NV_EXTENSIONS
parseContext.globalCheck($1.loc, "perviewNV");
parseContext.requireStage($1.loc, EShLangMeshNV, "perviewNV");
parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_NV_mesh_shader, "perviewNV");
parseContext.profileRequires($1.loc, EEsProfile, 320, E_GL_NV_mesh_shader, "perviewNV");
$$.init($1.loc);
$$.qualifier.perViewNV = true;
#endif
@ -1174,7 +1178,9 @@ interpolation_qualifier
| PERTASKNV {
#ifdef NV_EXTENSIONS
parseContext.globalCheck($1.loc, "taskNV");
parseContext.requireStage($1.loc, (EShLanguageMask)(EShLangTaskNVMask | EShLangMeshNVMask), "taskNV");
parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_NV_mesh_shader, "taskNV");
parseContext.profileRequires($1.loc, EEsProfile, 320, E_GL_NV_mesh_shader, "taskNV");
$$.init($1.loc);
$$.qualifier.perTaskNV = true;
#endif

2144
glslang/MachineIndependent/glslang_tab.cpp
View file

File diff suppressed because it is too large Load diff

1
glslang/MachineIndependent/parseVersions.h
View file

@ -103,6 +103,7 @@ public:
virtual void requireSpv(const TSourceLoc&, const char* op);
virtual bool checkExtensionsRequested(const TSourceLoc&, int numExtensions, const char* const extensions[], const char* featureDesc);
virtual void updateExtensionBehavior(const char* const extension, TExtensionBehavior);
virtual void checkExtensionStage(const TSourceLoc&, const char* const extension);
virtual void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...) = 0;