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Tessellation: Implicit array sizing and consistency checking of control-shader output arrays based on layout(vertices=...).

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24518 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-12-13 18:38:43 +00:00
parent 116c30b6ed
commit f3e2a89452
19 changed files with 434 additions and 104 deletions
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29
glslang/MachineIndependent/ParseHelper.h
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@ -84,9 +84,13 @@ public:
TIntermTyped* handleBracketDereference(TSourceLoc, TIntermTyped* base, TIntermTyped* index);
void checkIndex(TSourceLoc, const TType&, int& index);
void handleIndexLimits(TSourceLoc, TIntermTyped* base, TIntermTyped* index);
void handleInputArrayAccess(TSourceLoc, TIntermTyped* base);
void checkInputArrayConsistency(TSourceLoc, bool tailOnly = false);
void checkInputArrayConsistency(TSourceLoc, TLayoutGeometry, TType&, const TString&);
bool isIoResizeArray(const TType&);
void handleIoResizeArrayAccess(TSourceLoc, TIntermTyped* base);
void checkIoArraysConsistency(TSourceLoc, bool tailOnly = false);
int getIoArrayImplicitSize() const;
void checkIoArrayConsistency(TSourceLoc, int requiredSize, const char* feature, TType&, const TString&);
TIntermTyped* handleDotDereference(TSourceLoc, TIntermTyped* base, TString& field);
TFunction* handleFunctionDeclarator(TSourceLoc loc, TFunction& function, bool prototype);
TIntermAggregate* handleFunctionDefinition(TSourceLoc, TFunction&);
@ -257,6 +261,11 @@ protected:
//
// Geometry shader input arrays:
// - array sizing is based on input primitive and/or explicit size
//
// Tessellation control output arrays:
// - array sizing is based on output layout(vertices=...) and/or explicit size
//
// Both:
// - array sizing is retroactive
// - built-in block redeclarations interact with this
//
@ -270,23 +279,23 @@ protected:
// - the resize-list starts empty at beginning of user-shader compilation, it does
// not have built-ins in it
//
// - on built-in input array use: copy-up symbol and add both the symbol and
// - on built-in array use: copy-up symbol and add both the symbol and
// its use to resize-list
//
// - on user-input array declaration: add it to the resize-list
// - on user array declaration: add it to the resize-list
//
// - on block redeclaration: copy-up symbol and add it to the resize-list
// * note, that appropriately gives an error if redeclaring a block that
// was already used and hence already copied-up
//
// - on seeing an input primitive-layout declaration, fix everything in the resize-list,
// giving errors for mismatch
// - on seeing a layout declaration that sizes the array, fix everything in the
// resize-list, giving errors for mismatch
//
// - on seeing an array size declaration, give errors on mismatch between it and previous
// input primitive declarations
// array-sizing declarations
//
TVector<TIntermSymbol*> inputArrayNodeResizeList;
TVector<TSymbol*> inputArraySymbolResizeList;
TVector<TIntermSymbol*> ioArrayNodeResizeList;
TVector<TSymbol*> ioArraySymbolResizeList;
};
} // end namespace glslang