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SPV: Address superset of issue #151: missing OpCapability instructions.

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This commit adds:
CapabilityGeometryPointSize
CapabilityTessellationPointSize
CapabilityClipDistance
CapabilityCullDistance
CapabilityMultiViewport
CapabilityTransformFeedback
CapabilityGeometryStreams
CapabilityDerivativeControl
CapabilityInterpolationFunction
This commit is contained in:
John Kessenich
2016-02-01 13:45:25 -07:00
parent 9df51caba9
commit 9218759ebb
14 changed files with 80 additions and 13 deletions
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69
SPIRV/GlslangToSpv.cpp
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@@ -88,6 +88,7 @@ public:
void dumpSpv(std::vector<unsigned int>& out);
protected:
spv::BuiltIn TranslateBuiltInDecoration(glslang::TBuiltInVariable);
spv::Id createSpvVariable(const glslang::TIntermSymbol*);
spv::Id getSampledType(const glslang::TSampler&);
spv::Id convertGlslangToSpvType(const glslang::TType& type);
@@ -120,6 +121,7 @@ protected:
void addDecoration(spv::Id id, spv::Decoration dec);
void addDecoration(spv::Id id, spv::Decoration dec, unsigned value);
void addMemberDecoration(spv::Id id, int member, spv::Decoration dec);
void addMemberDecoration(spv::Id id, int member, spv::Decoration dec, unsigned value);
spv::Id createSpvSpecConstant(const glslang::TIntermTyped&);
spv::Id createSpvConstant(const glslang::TType& type, const glslang::TConstUnionArray&, int& nextConst, bool specConstant);
bool isTrivialLeaf(const glslang::TIntermTyped* node);
@@ -319,7 +321,7 @@ spv::Decoration TranslateInterpolationDecoration(const glslang::TQualifier& qual
return (spv::Decoration)spv::BadValue;
}
// If glslang type is invaraiant, return SPIR-V invariant decoration.
// If glslang type is invariant, return SPIR-V invariant decoration.
spv::Decoration TranslateInvariantDecoration(const glslang::TQualifier& qualifier)
{
if (qualifier.invariant)
@@ -329,13 +331,34 @@ spv::Decoration TranslateInvariantDecoration(const glslang::TQualifier& qualifie
}
// Translate glslang built-in variable to SPIR-V built in decoration.
spv::BuiltIn TranslateBuiltInDecoration(glslang::TBuiltInVariable builtIn)
spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltInVariable builtIn)
{
switch (builtIn) {
case glslang::EbvPointSize:
switch (glslangIntermediate->getStage()) {
case EShLangGeometry:
builder.addCapability(spv::CapabilityGeometryPointSize);
break;
case EShLangTessControl:
case EShLangTessEvaluation:
builder.addCapability(spv::CapabilityTessellationPointSize);
break;
}
return spv::BuiltInPointSize;
case glslang::EbvClipDistance:
builder.addCapability(spv::CapabilityClipDistance);
return spv::BuiltInClipDistance;
case glslang::EbvCullDistance:
builder.addCapability(spv::CapabilityCullDistance);
return spv::BuiltInCullDistance;
case glslang::EbvViewportIndex:
// TODO: builder.addCapability(spv::CapabilityMultiViewport);
return spv::BuiltInViewportIndex;
case glslang::EbvPosition: return spv::BuiltInPosition;
case glslang::EbvPointSize: return spv::BuiltInPointSize;
case glslang::EbvClipDistance: return spv::BuiltInClipDistance;
case glslang::EbvCullDistance: return spv::BuiltInCullDistance;
case glslang::EbvVertexId: return spv::BuiltInVertexId;
case glslang::EbvInstanceId: return spv::BuiltInInstanceId;
case glslang::EbvBaseVertex:
@@ -347,7 +370,6 @@ spv::BuiltIn TranslateBuiltInDecoration(glslang::TBuiltInVariable builtIn)
case glslang::EbvPrimitiveId: return spv::BuiltInPrimitiveId;
case glslang::EbvInvocationId: return spv::BuiltInInvocationId;
case glslang::EbvLayer: return spv::BuiltInLayer;
case glslang::EbvViewportIndex: return spv::BuiltInViewportIndex;
case glslang::EbvTessLevelInner: return spv::BuiltInTessLevelInner;
case glslang::EbvTessLevelOuter: return spv::BuiltInTessLevelOuter;
case glslang::EbvTessCoord: return spv::BuiltInTessCoord;
@@ -476,8 +498,10 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(const glslang::TIntermediate* gls
// Add the top-level modes for this shader.
if (glslangIntermediate->getXfbMode())
if (glslangIntermediate->getXfbMode()) {
builder.addCapability(spv::CapabilityTransformFeedback);
builder.addExecutionMode(shaderEntry, spv::ExecutionModeXfb);
}
unsigned int mode;
switch (glslangIntermediate->getStage()) {
@@ -1659,16 +1683,19 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
// built-in variable decorations
spv::BuiltIn builtIn = TranslateBuiltInDecoration(glslangType.getQualifier().builtIn);
if (builtIn != spv::BadValue)
builder.addMemberDecoration(spvType, member, spv::DecorationBuiltIn, (int)builtIn);
addMemberDecoration(spvType, member, spv::DecorationBuiltIn, (int)builtIn);
}
}
// Decorate the structure
addDecoration(spvType, TranslateLayoutDecoration(type, qualifier.layoutMatrix));
addDecoration(spvType, TranslateBlockDecoration(type));
if (type.getQualifier().hasStream())
if (type.getQualifier().hasStream()) {
builder.addCapability(spv::CapabilityGeometryStreams);
builder.addDecoration(spvType, spv::DecorationStream, type.getQualifier().layoutStream);
}
if (glslangIntermediate->getXfbMode()) {
builder.addCapability(spv::CapabilityTransformFeedback);
if (type.getQualifier().hasXfbStride())
builder.addDecoration(spvType, spv::DecorationXfbStride, type.getQualifier().layoutXfbStride);
if (type.getQualifier().hasXfbBuffer())
@@ -2787,24 +2814,31 @@ spv::Id TGlslangToSpvTraverser::createUnaryOperation(glslang::TOperator op, spv:
unaryOp = spv::OpFwidth;
break;
case glslang::EOpDPdxFine:
builder.addCapability(spv::CapabilityDerivativeControl);
unaryOp = spv::OpDPdxFine;
break;
case glslang::EOpDPdyFine:
builder.addCapability(spv::CapabilityDerivativeControl);
unaryOp = spv::OpDPdyFine;
break;
case glslang::EOpFwidthFine:
builder.addCapability(spv::CapabilityDerivativeControl);
unaryOp = spv::OpFwidthFine;
break;
case glslang::EOpDPdxCoarse:
builder.addCapability(spv::CapabilityDerivativeControl);
unaryOp = spv::OpDPdxCoarse;
break;
case glslang::EOpDPdyCoarse:
builder.addCapability(spv::CapabilityDerivativeControl);
unaryOp = spv::OpDPdyCoarse;
break;
case glslang::EOpFwidthCoarse:
builder.addCapability(spv::CapabilityDerivativeControl);
unaryOp = spv::OpFwidthCoarse;
break;
case glslang::EOpInterpolateAtCentroid:
builder.addCapability(spv::CapabilityInterpolationFunction);
libCall = spv::GLSLstd450InterpolateAtCentroid;
break;
case glslang::EOpAny:
@@ -3180,9 +3214,11 @@ spv::Id TGlslangToSpvTraverser::createMiscOperation(glslang::TOperator op, spv::
libCall = spv::GLSLstd450Refract;
break;
case glslang::EOpInterpolateAtSample:
builder.addCapability(spv::CapabilityInterpolationFunction);
libCall = spv::GLSLstd450InterpolateAtSample;
break;
case glslang::EOpInterpolateAtOffset:
builder.addCapability(spv::CapabilityInterpolationFunction);
libCall = spv::GLSLstd450InterpolateAtOffset;
break;
case glslang::EOpAddCarry:
@@ -3352,6 +3388,7 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
if (symbol->getQualifier().hasComponent())
builder.addDecoration(id, spv::DecorationComponent, symbol->getQualifier().layoutComponent);
if (glslangIntermediate->getXfbMode()) {
builder.addCapability(spv::CapabilityTransformFeedback);
if (symbol->getQualifier().hasXfbStride())
builder.addDecoration(id, spv::DecorationXfbStride, symbol->getQualifier().layoutXfbStride);
if (symbol->getQualifier().hasXfbBuffer())
@@ -3362,13 +3399,16 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
}
addDecoration(id, TranslateInvariantDecoration(symbol->getType().getQualifier()));
if (symbol->getQualifier().hasStream())
if (symbol->getQualifier().hasStream()) {
builder.addCapability(spv::CapabilityGeometryStreams);
builder.addDecoration(id, spv::DecorationStream, symbol->getQualifier().layoutStream);
}
if (symbol->getQualifier().hasSet())
builder.addDecoration(id, spv::DecorationDescriptorSet, symbol->getQualifier().layoutSet);
if (symbol->getQualifier().hasBinding())
builder.addDecoration(id, spv::DecorationBinding, symbol->getQualifier().layoutBinding);
if (glslangIntermediate->getXfbMode()) {
builder.addCapability(spv::CapabilityTransformFeedback);
if (symbol->getQualifier().hasXfbStride())
builder.addDecoration(id, spv::DecorationXfbStride, symbol->getQualifier().layoutXfbStride);
if (symbol->getQualifier().hasXfbBuffer())
@@ -3378,7 +3418,7 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
// built-in variable decorations
spv::BuiltIn builtIn = TranslateBuiltInDecoration(symbol->getQualifier().builtIn);
if (builtIn != spv::BadValue)
builder.addDecoration(id, spv::DecorationBuiltIn, (int)builtIn);
addDecoration(id, spv::DecorationBuiltIn, (int)builtIn);
return id;
}
@@ -3404,6 +3444,13 @@ void TGlslangToSpvTraverser::addMemberDecoration(spv::Id id, int member, spv::De
builder.addMemberDecoration(id, (unsigned)member, dec);
}
// If 'dec' is valid, add a one-operand decoration to a struct member
void TGlslangToSpvTraverser::addMemberDecoration(spv::Id id, int member, spv::Decoration dec, unsigned value)
{
if (dec != spv::BadValue)
builder.addMemberDecoration(id, (unsigned)member, dec, value);
}
// Make a full tree of instructions to build a SPIR-V specialization constant,
// or regularly constant if possible.
//