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Turn on basic support for shader storage buffer objects, but not yet the entire extension.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27699 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-08-12 02:11:55 +00:00
parent 79cddfcb56
commit 67cf1f6179
14 changed files with 190 additions and 78 deletions
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55
glslang/MachineIndependent/ParseHelper.cpp
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@ -526,10 +526,10 @@ void TParseContext::checkIndex(TSourceLoc loc, const TType& type, int& index)
void TParseContext::handleIndexLimits(TSourceLoc loc, TIntermTyped* base, TIntermTyped* index)
{
if ((! limits.generalSamplerIndexing && base->getBasicType() == EbtSampler) ||
(! limits.generalUniformIndexing && base->getQualifier().isUniform() && language != EShLangVertex) ||
(! limits.generalUniformIndexing && base->getQualifier().isUniformOrBuffer() && language != EShLangVertex) ||
(! limits.generalAttributeMatrixVectorIndexing && base->getQualifier().isPipeInput() && language == EShLangVertex && (base->getType().isMatrix() || base->getType().isVector())) ||
(! limits.generalConstantMatrixVectorIndexing && base->getAsConstantUnion()) ||
(! limits.generalVariableIndexing && ! base->getType().getQualifier().isUniform() &&
(! limits.generalVariableIndexing && ! base->getType().getQualifier().isUniformOrBuffer() &&
! base->getType().getQualifier().isPipeInput() &&
! base->getType().getQualifier().isPipeOutput() &&
base->getType().getQualifier().storage != EvqConst) ||
@ -1062,7 +1062,10 @@ TIntermTyped* TParseContext::handleLengthMethod(TSourceLoc loc, TFunction* funct
else {
const TType& type = intermNode->getAsTyped()->getType();
if (type.isArray()) {
if (type.isImplicitlySizedArray()) {
if (type.isRuntimeSizedArray()) {
// Create a unary op and let the back end handle it
return intermediate.addBuiltInFunctionCall(loc, EOpArrayLength, true, intermNode, TType(EbtInt));
} else if (type.isImplicitlySizedArray()) {
if (intermNode->getAsSymbolNode() && isIoResizeArray(type)) {
// We could be between a layout declaration that gives a built-in io array implicit size and
// a user redeclaration of that array, meaning we have to substitute its implicit size here
@ -1565,12 +1568,16 @@ bool TParseContext::lValueErrorCheck(TSourceLoc loc, const char* op, TIntermType
case EvqConst: message = "can't modify a const"; break;
case EvqConstReadOnly: message = "can't modify a const"; break;
case EvqVaryingIn: message = "can't modify shader input"; break;
case EvqUniform: message = "can't modify a uniform"; break;
case EvqInstanceId: message = "can't modify gl_InstanceID"; break;
case EvqVertexId: message = "can't modify gl_VertexID"; break;
case EvqFace: message = "can't modify gl_FrontFace"; break;
case EvqFragCoord: message = "can't modify gl_FragCoord"; break;
case EvqPointCoord: message = "can't modify gl_PointCoord"; break;
case EvqUniform: message = "can't modify a uniform"; break;
case EvqBuffer:
if (node->getQualifier().readonly)
message = "can't modify a readonly buffer";
break;
default:
//
@ -1911,6 +1918,9 @@ void TParseContext::globalQualifierCheck(TSourceLoc loc, const TQualifier& quali
if (! symbolTable.atGlobalLevel())
return;
if (qualifier.isMemory() && ! publicType.isImage() && publicType.qualifier.storage != EvqBuffer)
error(loc, "memory qualifiers cannot be used on this type", "", "");
if (qualifier.storage != EvqVaryingIn && qualifier.storage != EvqVaryingOut)
return;
@ -3281,8 +3291,8 @@ void TParseContext::layoutObjectCheck(TSourceLoc loc, const TSymbol& symbol)
// Check packing and matrix
if (qualifier.hasUniformLayout()) {
switch (qualifier.storage) {
case EvqBuffer:
case EvqUniform:
case EvqBuffer:
if (type.getBasicType() != EbtBlock) {
if (qualifier.hasMatrix())
error(loc, "cannot specify matrix layout on a variable declaration", "layout", "");
@ -3396,7 +3406,7 @@ void TParseContext::layoutTypeCheck(TSourceLoc loc, const TType& type)
// Image format
if (qualifier.hasFormat()) {
if (type.getBasicType() != EbtSampler || ! type.getSampler().image)
if (! type.isImage())
error(loc, "only apply to images", TQualifier::getLayoutFormatString(qualifier.layoutFormat), "");
else {
if (type.getSampler().type == EbtFloat && qualifier.layoutFormat > ElfFloatGuard)
@ -3406,10 +3416,8 @@ void TParseContext::layoutTypeCheck(TSourceLoc loc, const TType& type)
if (type.getSampler().type == EbtUint && qualifier.layoutFormat < ElfIntGuard)
error(loc, "does not apply to unsigned integer images", TQualifier::getLayoutFormatString(qualifier.layoutFormat), "");
}
} else if (type.getBasicType() == EbtSampler && type.getSampler().image && !qualifier.writeonly)
} else if (type.isImage() && ! qualifier.writeonly)
error(loc, "image variables not declared 'writeonly' must have a format layout qualifier", "", "");
if (qualifier.isMemory() && (type.getBasicType() != EbtSampler || ! type.getSampler().image))
error(loc, "memory qualifiers can only be used on image types", "", "");
}
// Do layout error checking that can be done within a qualifier proper, not needing to know
@ -3470,7 +3478,7 @@ void TParseContext::layoutQualifierCheck(TSourceLoc loc, const TQualifier& quali
}
if (qualifier.hasBinding()) {
if (qualifier.storage != EvqUniform && qualifier.storage != EvqBuffer)
if (! qualifier.isUniformOrBuffer())
error(loc, "requires uniform or buffer storage qualifier", "binding", "");
}
if (qualifier.hasStream()) {
@ -3482,7 +3490,7 @@ void TParseContext::layoutQualifierCheck(TSourceLoc loc, const TQualifier& quali
error(loc, "can only be used on an output", "xfb layout qualifier", "");
}
if (qualifier.hasUniformLayout()) {
if (! (qualifier.storage == EvqUniform || qualifier.storage == EvqBuffer)) {
if (! qualifier.isUniformOrBuffer()) {
if (qualifier.hasMatrix() || qualifier.hasPacking())
error(loc, "matrix or packing qualifiers can only be used on a uniform or buffer", "layout", "");
if (qualifier.hasOffset() || qualifier.hasAlign())
@ -4122,14 +4130,14 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
arraySizeRequiredCheck(loc, arraySizes->getSize());
switch (currentBlockQualifier.storage) {
case EvqBuffer:
requireProfile(loc, ECoreProfile | ECompatibilityProfile, "buffer block");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 430, 0, "buffer block");
break;
case EvqUniform:
profileRequires(loc, EEsProfile, 300, 0, "uniform block");
profileRequires(loc, ENoProfile, 140, 0, "uniform block");
break;
case EvqBuffer:
requireProfile(loc, ECoreProfile | ECompatibilityProfile, "buffer block");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 430, 0, "buffer block");
break;
case EvqVaryingIn:
requireProfile(loc, ~EEsProfile, "input block");
profileRequires(loc, ~EEsProfile, 150, GL_ARB_separate_shader_objects, "input block");
@ -4147,16 +4155,19 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
// fix and check for member storage qualifiers and types that don't belong within a block
for (unsigned int member = 0; member < typeList.size(); ++member) {
TQualifier& memberQualifier = typeList[member].type->getQualifier();
TType& memberType = *typeList[member].type;
TQualifier& memberQualifier = memberType.getQualifier();
TSourceLoc memberLoc = typeList[member].loc;
pipeInOutFix(memberLoc, memberQualifier);
if (memberQualifier.storage != EvqTemporary && memberQualifier.storage != EvqGlobal && memberQualifier.storage != currentBlockQualifier.storage)
error(memberLoc, "member storage qualifier cannot contradict block storage qualifier", typeList[member].type->getFieldName().c_str(), "");
error(memberLoc, "member storage qualifier cannot contradict block storage qualifier", memberType.getFieldName().c_str(), "");
memberQualifier.storage = currentBlockQualifier.storage;
if (currentBlockQualifier.storage == EvqUniform && (memberQualifier.isInterpolation() || memberQualifier.isAuxiliary()))
error(memberLoc, "member of uniform block cannot have an auxiliary or interpolation qualifier", typeList[member].type->getFieldName().c_str(), "");
if ((currentBlockQualifier.storage == EvqUniform || currentBlockQualifier.storage == EvqBuffer) && (memberQualifier.isInterpolation() || memberQualifier.isAuxiliary()))
error(memberLoc, "member of uniform or buffer block cannot have an auxiliary or interpolation qualifier", memberType.getFieldName().c_str(), "");
if (memberType.isRuntimeSizedArray() && member < typeList.size() - 1)
error(memberLoc, "only the last member of a buffer block can be run-time sized", memberType.getFieldName().c_str(), "");
TBasicType basicType = typeList[member].type->getBasicType();
TBasicType basicType = memberType.getBasicType();
if (basicType == EbtSampler)
error(memberLoc, "member of block cannot be a sampler type", typeList[member].type->getFieldName().c_str(), "");
}
@ -4179,8 +4190,8 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
TQualifier defaultQualification;
switch (currentBlockQualifier.storage) {
case EvqBuffer: defaultQualification = globalBufferDefaults; break;
case EvqUniform: defaultQualification = globalUniformDefaults; break;
case EvqBuffer: defaultQualification = globalBufferDefaults; break;
case EvqVaryingIn: defaultQualification = globalInputDefaults; break;
case EvqVaryingOut: defaultQualification = globalOutputDefaults; break;
default: defaultQualification.clear(); break;
@ -4401,7 +4412,7 @@ void TParseContext::fixBlockXfbOffsets(TSourceLoc loc, TQualifier& qualifier, TT
//
void TParseContext::fixBlockUniformOffsets(TSourceLoc loc, TQualifier& qualifier, TTypeList& typeList)
{
if (qualifier.storage != EvqUniform && qualifier.storage != EvqBuffer)
if (! qualifier.isUniformOrBuffer())
return;
if (qualifier.layoutPacking != ElpStd140 && qualifier.layoutPacking != ElpStd430)
return;