Updated glslang.

This commit is contained in:
Бранимир Караџић
2021-09-25 19:59:37 -07:00
parent 4ac88cde27
commit e6636b8b5f
23 changed files with 426 additions and 239 deletions

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@@ -3,6 +3,17 @@
All notable changes to this project will be documented in this file.
This project adheres to [Semantic Versioning](https://semver.org/).
## 11.6.0 2021-08-25
### Other changes
* Atomic memory function only for shader storage block member or shared variable
* Add support for gl_MaxVaryingVectors for ogl
* Fix loading bool arrays from interface blocks
* Generate separate stores for partially swizzled memory stores
* Allow layout(std430) uniform with GL_EXT_scalar_block_layout
* Support for pragma STDGL invariant(all)
* Support for GL_NV_ray_tracing_motion_blur
## 11.5.0 2021-06-23
### Other changes

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@@ -3384,7 +3384,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
const auto& spirvInst = node->getSpirvInstruction();
if (spirvInst.set == "") {
std::vector<spv::IdImmediate> idImmOps;
for (int i = 0; i < glslangOperands.size(); ++i) {
for (unsigned int i = 0; i < glslangOperands.size(); ++i) {
if (glslangOperands[i]->getAsTyped()->getQualifier().isSpirvLiteral()) {
// Translate the constant to a literal value
std::vector<unsigned> literals;
@@ -3940,12 +3940,14 @@ spv::Id TGlslangToSpvTraverser::getSampledType(const glslang::TSampler& sampler)
builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float_fetch);
builder.addCapability(spv::CapabilityFloat16ImageAMD);
return builder.makeFloatType(16);
case glslang::EbtInt64: return builder.makeIntType(64);
case glslang::EbtInt64:
builder.addExtension(spv::E_SPV_EXT_shader_image_int64);
builder.addCapability(spv::CapabilityFloat16ImageAMD);
case glslang::EbtUint64: return builder.makeUintType(64);
builder.addCapability(spv::CapabilityInt64ImageEXT);
return builder.makeIntType(64);
case glslang::EbtUint64:
builder.addExtension(spv::E_SPV_EXT_shader_image_int64);
builder.addCapability(spv::CapabilityFloat16ImageAMD);
builder.addCapability(spv::CapabilityInt64ImageEXT);
return builder.makeUintType(64);
#endif
default:
assert(0);
@@ -7506,6 +7508,8 @@ spv::Id TGlslangToSpvTraverser::createInvocationsOperation(glslang::TOperator op
break;
case glslang::EOpReadFirstInvocation:
opCode = spv::OpSubgroupFirstInvocationKHR;
if (builder.isVectorType(typeId))
return CreateInvocationsVectorOperation(opCode, groupOperation, typeId, operands);
break;
case glslang::EOpBallot:
{
@@ -7630,7 +7634,7 @@ spv::Id TGlslangToSpvTraverser::CreateInvocationsVectorOperation(spv::Op op, spv
assert(op == spv::OpGroupFMin || op == spv::OpGroupUMin || op == spv::OpGroupSMin ||
op == spv::OpGroupFMax || op == spv::OpGroupUMax || op == spv::OpGroupSMax ||
op == spv::OpGroupFAdd || op == spv::OpGroupIAdd || op == spv::OpGroupBroadcast ||
op == spv::OpSubgroupReadInvocationKHR ||
op == spv::OpSubgroupReadInvocationKHR || op == spv::OpSubgroupFirstInvocationKHR ||
op == spv::OpGroupFMinNonUniformAMD || op == spv::OpGroupUMinNonUniformAMD ||
op == spv::OpGroupSMinNonUniformAMD ||
op == spv::OpGroupFMaxNonUniformAMD || op == spv::OpGroupUMaxNonUniformAMD ||
@@ -7659,6 +7663,8 @@ spv::Id TGlslangToSpvTraverser::CreateInvocationsVectorOperation(spv::Op op, spv
spvGroupOperands.push_back(scalar);
spv::IdImmediate operand = { true, operands[1] };
spvGroupOperands.push_back(operand);
} else if (op == spv::OpSubgroupFirstInvocationKHR) {
spvGroupOperands.push_back(scalar);
} else if (op == spv::OpGroupBroadcast) {
spv::IdImmediate scope = { true, builder.makeUintConstant(spv::ScopeSubgroup) };
spvGroupOperands.push_back(scope);

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@@ -35,7 +35,7 @@
#define GLSLANG_BUILD_INFO
#define GLSLANG_VERSION_MAJOR 11
#define GLSLANG_VERSION_MINOR 5
#define GLSLANG_VERSION_MINOR 6
#define GLSLANG_VERSION_PATCH 0
#define GLSLANG_VERSION_FLAVOR ""

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@@ -4017,12 +4017,12 @@ void HlslParseContext::decomposeSampleMethods(const TSourceLoc& loc, TIntermType
txsample->getSequence().push_back(txcombine);
txsample->getSequence().push_back(argCoord);
if (argBias != nullptr)
txsample->getSequence().push_back(argBias);
if (argOffset != nullptr)
txsample->getSequence().push_back(argOffset);
if (argBias != nullptr)
txsample->getSequence().push_back(argBias);
node = convertReturn(txsample, sampler);
break;

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@@ -665,8 +665,8 @@ void TBuiltInParseablesHlsl::initialize(int /*version*/, EProfile /*profile*/, c
{ "Sample", /*!O*/ "V4", nullptr, "%@,S,V", "FIU,S,F", EShLangPS, true },
{ "Sample", /* O*/ "V4", nullptr, "%@,S,V,", "FIU,S,F,I", EShLangPS, true },
{ "SampleBias", /*!O*/ "V4", nullptr, "%@,S,V,S", "FIU,S,F,", EShLangPS, true },
{ "SampleBias", /* O*/ "V4", nullptr, "%@,S,V,S,V", "FIU,S,F,,I", EShLangPS, true },
{ "SampleBias", /*!O*/ "V4", nullptr, "%@,S,V,S", "FIU,S,F,F", EShLangPS, true },
{ "SampleBias", /* O*/ "V4", nullptr, "%@,S,V,S,V", "FIU,S,F,F,I", EShLangPS, true },
// TODO: FXC accepts int/uint samplers here. unclear what that means.
{ "SampleCmp", /*!O*/ "S", "F", "%@,S,V,S", "FIU,s,F,", EShLangPS, true },

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@@ -62,7 +62,7 @@ std::string to_string(const T& val) {
}
#endif
#if (defined(_MSC_VER) && _MSC_VER < 1900 /*vs2015*/) || defined MINGW_HAS_SECURE_API
#if (defined(_MSC_VER) && _MSC_VER < 1900 /*vs2015*/) || MINGW_HAS_SECURE_API
#include <basetsd.h>
#ifndef snprintf
#define snprintf sprintf_s
@@ -214,7 +214,7 @@ template <class T> T Max(const T a, const T b) { return a > b ? a : b; }
//
// Create a TString object from an integer.
//
#if defined _MSC_VER || defined MINGW_HAS_SECURE_API
#if defined _MSC_VER || MINGW_HAS_SECURE_API
inline const TString String(const int i, const int base = 10)
{
char text[16]; // 32 bit ints are at most 10 digits in base 10

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@@ -741,6 +741,16 @@ public:
}
}
bool isUniform() const
{
switch (storage) {
case EvqUniform:
return true;
default:
return false;
}
}
bool isIo() const
{
switch (storage) {

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@@ -1643,6 +1643,7 @@ public:
~TIntermAggregate() { delete pragmaTable; }
virtual TIntermAggregate* getAsAggregate() { return this; }
virtual const TIntermAggregate* getAsAggregate() const { return this; }
virtual void updatePrecision();
virtual void setOperator(TOperator o) { op = o; }
virtual TIntermSequence& getSequence() { return sequence; }
virtual const TIntermSequence& getSequence() const { return sequence; }

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@@ -531,7 +531,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TType& returnType)
case EbtFloat: newConstArray[i].setDConst(-unionArray[i].getDConst()); break;
// Note: avoid UBSAN error regarding negating 0x80000000
case EbtInt: newConstArray[i].setIConst(
unionArray[i].getIConst() == 0x80000000
static_cast<unsigned int>(unionArray[i].getIConst()) == 0x80000000
? -0x7FFFFFFF - 1
: -unionArray[i].getIConst());
break;

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@@ -7701,6 +7701,11 @@ static void BuiltInVariable(const char* name, TBuiltInVariable builtIn, TSymbolT
symQualifier.builtIn = builtIn;
}
static void RetargetVariable(const char* from, const char* to, TSymbolTable& symbolTable)
{
symbolTable.retargetSymbol(from, to);
}
//
// For built-in variables inside a named block.
// SpecialQualifier() won't ever go inside a block; their member's qualifier come
@@ -7768,8 +7773,8 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
if (spvVersion.vulkan > 0 && spvVersion.vulkanRelaxed) {
// treat these built-ins as aliases of VertexIndex and InstanceIndex
BuiltInVariable("gl_VertexID", EbvVertexIndex, symbolTable);
BuiltInVariable("gl_InstanceID", EbvInstanceIndex, symbolTable);
RetargetVariable("gl_InstanceID", "gl_InstanceIndex", symbolTable);
RetargetVariable("gl_VertexID", "gl_VertexIndex", symbolTable);
}
if (profile != EEsProfile) {

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@@ -416,20 +416,24 @@ TIntermTyped* TIntermediate::addUnaryMath(TOperator op, TIntermTyped* child,
// TODO: but, did this bypass constant folding?
//
switch (op) {
case EOpConstructInt8:
case EOpConstructUint8:
case EOpConstructInt16:
case EOpConstructUint16:
case EOpConstructInt:
case EOpConstructUint:
case EOpConstructInt64:
case EOpConstructUint64:
case EOpConstructBool:
case EOpConstructFloat:
case EOpConstructDouble:
case EOpConstructFloat16:
return child;
default: break; // some compilers want this
case EOpConstructInt8:
case EOpConstructUint8:
case EOpConstructInt16:
case EOpConstructUint16:
case EOpConstructInt:
case EOpConstructUint:
case EOpConstructInt64:
case EOpConstructUint64:
case EOpConstructBool:
case EOpConstructFloat:
case EOpConstructDouble:
case EOpConstructFloat16: {
TIntermUnary* unary_node = child->getAsUnaryNode();
if (unary_node != nullptr)
unary_node->updatePrecision();
return child;
}
default: break; // some compilers want this
}
//
@@ -3776,6 +3780,28 @@ bool TIntermediate::promoteAggregate(TIntermAggregate& node)
return false;
}
// Propagate precision qualifiers *up* from children to parent, and then
// back *down* again to the children's subtrees.
void TIntermAggregate::updatePrecision()
{
if (getBasicType() == EbtInt || getBasicType() == EbtUint ||
getBasicType() == EbtFloat || getBasicType() == EbtFloat16) {
TPrecisionQualifier maxPrecision = EpqNone;
TIntermSequence operands = getSequence();
for (unsigned int i = 0; i < operands.size(); ++i) {
TIntermTyped* typedNode = operands[i]->getAsTyped();
assert(typedNode);
maxPrecision = std::max(maxPrecision, typedNode->getQualifier().precision);
}
getQualifier().precision = maxPrecision;
for (unsigned int i = 0; i < operands.size(); ++i) {
TIntermTyped* typedNode = operands[i]->getAsTyped();
assert(typedNode);
typedNode->propagatePrecision(maxPrecision);
}
}
}
// Propagate precision qualifiers *up* from children to parent, and then
// back *down* again to the children's subtrees.
void TIntermBinary::updatePrecision()

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@@ -622,6 +622,19 @@ void TParseContextBase::growGlobalUniformBlock(const TSourceLoc& loc, TType& mem
globalUniformBlock->getWritableType().getQualifier().layoutBinding = globalUniformBinding;
globalUniformBlock->getWritableType().getQualifier().layoutSet = globalUniformSet;
// Check for declarations of this default uniform that already exist due to other compilation units.
TSymbol* symbol = symbolTable.find(memberName);
if (symbol) {
if (memberType != symbol->getType()) {
TString err;
err += "\"" + memberType.getCompleteString() + "\"";
err += " versus ";
err += "\"" + symbol->getType().getCompleteString() + "\"";
error(loc, "Types must match:", memberType.getFieldName().c_str(), err.c_str());
}
return;
}
// Add the requested member as a member to the global block.
TType* type = new TType;
type->shallowCopy(memberType);

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@@ -7691,7 +7691,13 @@ TIntermTyped* TParseContext::addConstructor(const TSourceLoc& loc, TIntermNode*
return nullptr;
}
return intermediate.setAggregateOperator(aggrNode, op, type, loc);
TIntermTyped *ret_node = intermediate.setAggregateOperator(aggrNode, op, type, loc);
TIntermAggregate *agg_node = ret_node->getAsAggregate();
if (agg_node && (agg_node->isVector() || agg_node->isArray() || agg_node->isMatrix()))
agg_node->updatePrecision();
return ret_node;
}
// Function for constructor implementation. Calls addUnaryMath with appropriate EOp value

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@@ -241,7 +241,7 @@ protected:
// override this to set the language-specific name
virtual const char* getAtomicCounterBlockName() const { return ""; }
virtual void setAtomicCounterBlockDefaults(TType&) const {}
virtual void setInvariant(const TSourceLoc& loc, const char* builtin) {}
virtual void setInvariant(const TSourceLoc&, const char*) {}
virtual void finalizeAtomicCounterBlockLayout(TVariable&) {}
bool isAtomicCounterBlock(const TSymbol& symbol) {
const TVariable* var = symbol.getAsVariable();
@@ -472,7 +472,7 @@ public:
// Determine loop control from attributes
void handleLoopAttributes(const TAttributes& attributes, TIntermNode*);
// Function attributes
void handleFunctionAttributes(const TSourceLoc&, const TAttributes&, TFunction*);
void handleFunctionAttributes(const TSourceLoc&, const TAttributes&);
// GL_EXT_spirv_intrinsics
TSpirvRequirement* makeSpirvRequirement(const TSourceLoc& loc, const TString& name,

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@@ -279,8 +279,14 @@ TFunction::~TFunction()
//
TSymbolTableLevel::~TSymbolTableLevel()
{
for (tLevel::iterator it = level.begin(); it != level.end(); ++it)
delete (*it).second;
for (tLevel::iterator it = level.begin(); it != level.end(); ++it) {
const TString& name = it->first;
auto retargetIter = std::find_if(retargetedSymbols.begin(), retargetedSymbols.end(),
[&name](const std::pair<TString, TString>& i) { return i.first == name; });
if (retargetIter == retargetedSymbols.end())
delete (*it).second;
}
delete [] defaultPrecision;
}
@@ -418,6 +424,15 @@ TSymbolTableLevel* TSymbolTableLevel::clone() const
TSymbolTableLevel *symTableLevel = new TSymbolTableLevel();
symTableLevel->anonId = anonId;
symTableLevel->thisLevel = thisLevel;
symTableLevel->retargetedSymbols.clear();
for (auto &s : retargetedSymbols) {
// Extra constructions to make sure they use the correct allocator pool
TString newFrom;
newFrom = s.first;
TString newTo;
newTo = s.second;
symTableLevel->retargetedSymbols.push_back({std::move(newFrom), std::move(newTo)});
}
std::vector<bool> containerCopied(anonId, false);
tLevel::const_iterator iter;
for (iter = level.begin(); iter != level.end(); ++iter) {
@@ -433,8 +448,25 @@ TSymbolTableLevel* TSymbolTableLevel::clone() const
symTableLevel->insert(*container, false);
containerCopied[anon->getAnonId()] = true;
}
} else
} else {
const TString& name = iter->first;
auto retargetIter = std::find_if(retargetedSymbols.begin(), retargetedSymbols.end(),
[&name](const std::pair<TString, TString>& i) { return i.first == name; });
if (retargetIter != retargetedSymbols.end())
continue;
symTableLevel->insert(*iter->second->clone(), false);
}
}
// Now point retargeted symbols to the newly created versions of them
for (auto &s : retargetedSymbols) {
TSymbol* sym = symTableLevel->find(s.second);
if (!sym)
continue;
// Need to declare and assign so newS is using the correct pool allocator
TString newS;
newS = s.first;
symTableLevel->insert(newS, sym);
}
return symTableLevel;

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@@ -413,13 +413,20 @@ public:
TSymbolTableLevel() : defaultPrecision(0), anonId(0), thisLevel(false) { }
~TSymbolTableLevel();
bool insert(TSymbol& symbol, bool separateNameSpaces)
bool insert(const TString& name, TSymbol* symbol) {
return level.insert(tLevelPair(name, symbol)).second;
}
bool insert(TSymbol& symbol, bool separateNameSpaces, const TString& forcedKeyName = TString())
{
//
// returning true means symbol was added to the table with no semantic errors
//
const TString& name = symbol.getName();
if (name == "") {
if (forcedKeyName.length()) {
return level.insert(tLevelPair(forcedKeyName, &symbol)).second;
}
else if (name == "") {
symbol.getAsVariable()->setAnonId(anonId++);
// An empty name means an anonymous container, exposing its members to the external scope.
// Give it a name and insert its members in the symbol table, pointing to the container.
@@ -471,6 +478,16 @@ public:
return true;
}
void retargetSymbol(const TString& from, const TString& to) {
tLevel::const_iterator fromIt = level.find(from);
tLevel::const_iterator toIt = level.find(to);
if (fromIt == level.end() || toIt == level.end())
return;
delete fromIt->second;
level[from] = toIt->second;
retargetedSymbols.push_back({from, to});
}
TSymbol* find(const TString& name) const
{
tLevel::const_iterator it = level.find(name);
@@ -583,6 +600,8 @@ protected:
tLevel level; // named mappings
TPrecisionQualifier *defaultPrecision;
// pair<FromName, ToName>
TVector<std::pair<TString, TString>> retargetedSymbols;
int anonId;
bool thisLevel; // True if this level of the symbol table is a structure scope containing member function
// that are supposed to see anonymous access to member variables.
@@ -788,6 +807,12 @@ public:
return symbol;
}
void retargetSymbol(const TString& from, const TString& to) {
int level = currentLevel();
table[level]->retargetSymbol(from, to);
}
// Find of a symbol that returns how many layers deep of nested
// structures-with-member-functions ('this' scopes) deep the symbol was
// found in.

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@@ -347,7 +347,7 @@ void TParseContext::handleLoopAttributes(const TAttributes& attributes, TIntermN
//
// Function attributes
//
void TParseContext::handleFunctionAttributes(const TSourceLoc& loc, const TAttributes& attributes, TFunction* function)
void TParseContext::handleFunctionAttributes(const TSourceLoc& loc, const TAttributes& attributes)
{
for (auto it = attributes.begin(); it != attributes.end(); ++it) {
if (it->size() > 0) {

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@@ -983,20 +983,20 @@ function_prototype
$$.function = $1;
$$.loc = $2.loc;
parseContext.requireExtensions($2.loc, 1, &E_GL_EXT_subgroup_uniform_control_flow, "attribute");
parseContext.handleFunctionAttributes($2.loc, *$3, $$.function);
parseContext.handleFunctionAttributes($2.loc, *$3);
}
| attribute function_declarator RIGHT_PAREN {
$$.function = $2;
$$.loc = $3.loc;
parseContext.requireExtensions($3.loc, 1, &E_GL_EXT_subgroup_uniform_control_flow, "attribute");
parseContext.handleFunctionAttributes($3.loc, *$1, $$.function);
parseContext.handleFunctionAttributes($3.loc, *$1);
}
| attribute function_declarator RIGHT_PAREN attribute {
$$.function = $2;
$$.loc = $3.loc;
parseContext.requireExtensions($3.loc, 1, &E_GL_EXT_subgroup_uniform_control_flow, "attribute");
parseContext.handleFunctionAttributes($3.loc, *$1, $$.function);
parseContext.handleFunctionAttributes($3.loc, *$4, $$.function);
parseContext.handleFunctionAttributes($3.loc, *$1);
parseContext.handleFunctionAttributes($3.loc, *$4);
}
;
@@ -3926,6 +3926,7 @@ iteration_statement_nonattributed
--parseContext.controlFlowNestingLevel;
}
| DO {
parseContext.symbolTable.push();
++parseContext.loopNestingLevel;
++parseContext.statementNestingLevel;
++parseContext.controlFlowNestingLevel;
@@ -3937,6 +3938,7 @@ iteration_statement_nonattributed
parseContext.boolCheck($8.loc, $6);
$$ = parseContext.intermediate.addLoop($3, $6, 0, false, $4.loc);
parseContext.symbolTable.pop(&parseContext.defaultPrecision[0]);
--parseContext.loopNestingLevel;
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;

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@@ -983,20 +983,20 @@ function_prototype
$$.function = $1;
$$.loc = $2.loc;
parseContext.requireExtensions($2.loc, 1, &E_GL_EXT_subgroup_uniform_control_flow, "attribute");
parseContext.handleFunctionAttributes($2.loc, *$3, $$.function);
parseContext.handleFunctionAttributes($2.loc, *$3);
}
| attribute function_declarator RIGHT_PAREN {
$$.function = $2;
$$.loc = $3.loc;
parseContext.requireExtensions($3.loc, 1, &E_GL_EXT_subgroup_uniform_control_flow, "attribute");
parseContext.handleFunctionAttributes($3.loc, *$1, $$.function);
parseContext.handleFunctionAttributes($3.loc, *$1);
}
| attribute function_declarator RIGHT_PAREN attribute {
$$.function = $2;
$$.loc = $3.loc;
parseContext.requireExtensions($3.loc, 1, &E_GL_EXT_subgroup_uniform_control_flow, "attribute");
parseContext.handleFunctionAttributes($3.loc, *$1, $$.function);
parseContext.handleFunctionAttributes($3.loc, *$4, $$.function);
parseContext.handleFunctionAttributes($3.loc, *$1);
parseContext.handleFunctionAttributes($3.loc, *$4);
}
;
@@ -3926,6 +3926,7 @@ iteration_statement_nonattributed
--parseContext.controlFlowNestingLevel;
}
| DO {
parseContext.symbolTable.push();
++parseContext.loopNestingLevel;
++parseContext.statementNestingLevel;
++parseContext.controlFlowNestingLevel;
@@ -3937,6 +3938,7 @@ iteration_statement_nonattributed
parseContext.boolCheck($8.loc, $6);
$$ = parseContext.intermediate.addLoop($3, $6, 0, false, $4.loc);
parseContext.symbolTable.pop(&parseContext.defaultPrecision[0]);
--parseContext.loopNestingLevel;
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;

File diff suppressed because it is too large Load Diff

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@@ -1633,6 +1633,37 @@ bool TGlslIoMapper::doMap(TIoMapResolver* resolver, TInfoSink& infoSink) {
return TVarEntryInfo::TOrderByPriority()(p1.second, p2.second);
});
resolver->endResolve(EShLangCount);
if (autoPushConstantBlockName.length()) {
bool upgraded = false;
for (size_t stage = 0; stage < EShLangCount; stage++) {
if (intermediates[stage] != nullptr) {
TVarLiveMap** pUniformVarMap = uniformResolve.uniformVarMap;
auto at = pUniformVarMap[stage]->find(autoPushConstantBlockName);
if (at == pUniformVarMap[stage]->end())
continue;
TQualifier& qualifier = at->second.symbol->getQualifier();
if (!qualifier.isUniform())
continue;
TType& t = at->second.symbol->getWritableType();
int size, stride;
TIntermediate::getBaseAlignment(t, size, stride, autoPushConstantBlockPacking,
qualifier.layoutMatrix == ElmRowMajor);
if (size <= int(autoPushConstantMaxSize)) {
qualifier.setBlockStorage(EbsPushConstant);
qualifier.layoutPacking = autoPushConstantBlockPacking;
upgraded = true;
}
}
}
// If it's been upgraded to push_constant, then remove it from the uniformVector
// so it doesn't get a set/binding assigned to it.
if (upgraded) {
auto at = std::find_if(uniformVector.begin(), uniformVector.end(),
[this](const TVarLivePair& p) { return p.first == autoPushConstantBlockName; });
if (at != uniformVector.end())
uniformVector.erase(at);
}
}
for (size_t stage = 0; stage < EShLangCount; stage++) {
if (intermediates[stage] != nullptr) {
// traverse each stage, set new location to each input/output and unifom symbol, set new binding to

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@@ -291,7 +291,7 @@ public:
bool virtual doMap(TIoMapResolver*, TInfoSink&) { return true; }
};
// I/O mapper for OpenGL
// I/O mapper for GLSL
class TGlslIoMapper : public TIoMapper {
public:
TGlslIoMapper() {
@@ -301,6 +301,8 @@ public:
memset(intermediates, 0, sizeof(TIntermediate*) * (EShLangCount + 1));
profile = ENoProfile;
version = 0;
autoPushConstantMaxSize = 128;
autoPushConstantBlockPacking = ElpStd430;
}
virtual ~TGlslIoMapper() {
for (size_t stage = 0; stage < EShLangCount; stage++) {
@@ -319,6 +321,13 @@ public:
if (intermediates[stage] != nullptr)
intermediates[stage] = nullptr;
}
}
// If set, the uniform block with the given name will be changed to be backed by
// push_constant if it's size is <= maxSize
void setAutoPushConstantBlock(const char* name, unsigned int maxSize, TLayoutPacking packing) {
autoPushConstantBlockName = name;
autoPushConstantMaxSize = maxSize;
autoPushConstantBlockPacking = packing;
}
// grow the reflection stage by stage
bool addStage(EShLanguage, TIntermediate&, TInfoSink&, TIoMapResolver*) override;
@@ -329,6 +338,11 @@ public:
bool hadError = false;
EProfile profile;
int version;
private:
TString autoPushConstantBlockName;
unsigned int autoPushConstantMaxSize;
TLayoutPacking autoPushConstantBlockPacking;
};
} // end namespace glslang

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@@ -1934,7 +1934,7 @@ int TIntermediate::getBaseAlignment(const TType& type, int& size, int& stride, T
}
// rule 9
if (type.getBasicType() == EbtStruct) {
if (type.getBasicType() == EbtStruct || type.getBasicType() == EbtBlock) {
const TTypeList& memberList = *type.getStruct();
size = 0;
@@ -2159,8 +2159,9 @@ int TIntermediate::computeBufferReferenceTypeSize(const TType& type)
bool TIntermediate::isIoResizeArray(const TType& type, EShLanguage language) {
return type.isArray() &&
((language == EShLangGeometry && type.getQualifier().storage == EvqVaryingIn) ||
(language == EShLangTessControl && type.getQualifier().storage == EvqVaryingOut &&
(language == EShLangTessControl && (type.getQualifier().storage == EvqVaryingIn || type.getQualifier().storage == EvqVaryingOut) &&
! type.getQualifier().patch) ||
(language == EShLangTessEvaluation && type.getQualifier().storage == EvqVaryingIn) ||
(language == EShLangFragment && type.getQualifier().storage == EvqVaryingIn &&
type.getQualifier().pervertexNV) ||
(language == EShLangMeshNV && type.getQualifier().storage == EvqVaryingOut &&