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Fix #287: pin down the io-array size before checking for out of range index.

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This commit is contained in:
John Kessenich 2017-04-03 14:29:20 -06:00
parent 6f03bfc733
commit 2184c2f21a
4 changed files with 73 additions and 57 deletions
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3
Test/450.geom
View File

@ -8,7 +8,10 @@ out gl_PerVertex {
float gl_CullDistance[3];
};
layout(triangles) in;
void main()
{
gl_in[3].gl_Position; // ERROR, out of range
gl_CullDistance[2] = gl_in[1].gl_CullDistance[2];
}

109
Test/baseResults/450.geom.out
View File

@ -1,72 +1,83 @@
450.geom
Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
ERROR: 0:15: '[' : array index out of range '3'
ERROR: 0:15: 'gl_Position' : no such field in structure
ERROR: 2 compilation errors. No code generated.
Shader version: 450
invocations = -1
max_vertices = -1
input primitive = none
input primitive = triangles
output primitive = none
0:? Sequence
0:11 Function Definition: main( ( global void)
0:11 Function Parameters:
0:13 Sequence
0:13 move second child to first child ( temp float)
0:13 direct index (layout( stream=0) temp float CullDistance)
0:13 gl_CullDistance: direct index for structure (layout( stream=0) out 3-element array of float CullDistance)
0:13 'anon@0' (layout( stream=0) out block{layout( stream=0) out 3-element array of float CullDistance gl_CullDistance})
0:13 Constant:
0:13 3 (const uint)
0:13 Constant:
0:13 2 (const int)
0:13 direct index ( temp float CullDistance)
0:13 gl_CullDistance: direct index for structure ( in 3-element array of float CullDistance)
0:13 direct index ( temp block{ in 3-element array of float CullDistance gl_CullDistance})
0:13 'gl_in' ( in implicitly-sized array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:13 Constant:
0:13 1 (const int)
0:13 Constant:
0:13 0 (const int)
0:13 Constant:
0:13 2 (const int)
ERROR: node is still EOpNull!
0:13 Function Definition: main( ( global void)
0:13 Function Parameters:
0:15 Sequence
0:15 direct index ( temp block{ in 3-element array of float CullDistance gl_CullDistance})
0:15 'gl_in' ( in 3-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:15 Constant:
0:15 3 (const int)
0:16 move second child to first child ( temp float)
0:16 direct index (layout( stream=0) temp float CullDistance)
0:16 gl_CullDistance: direct index for structure (layout( stream=0) out 3-element array of float CullDistance)
0:16 'anon@0' (layout( stream=0) out block{layout( stream=0) out 3-element array of float CullDistance gl_CullDistance})
0:16 Constant:
0:16 3 (const uint)
0:16 Constant:
0:16 2 (const int)
0:16 direct index ( temp float CullDistance)
0:16 gl_CullDistance: direct index for structure ( in 3-element array of float CullDistance)
0:16 direct index ( temp block{ in 3-element array of float CullDistance gl_CullDistance})
0:16 'gl_in' ( in 3-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:16 Constant:
0:16 1 (const int)
0:16 Constant:
0:16 0 (const int)
0:16 Constant:
0:16 2 (const int)
0:? Linker Objects
0:? 'gl_in' ( in implicitly-sized array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:? 'gl_in' ( in 3-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:? 'anon@0' (layout( stream=0) out block{layout( stream=0) out 3-element array of float CullDistance gl_CullDistance})
Linked geometry stage:
ERROR: Linking geometry stage: At least one shader must specify an input layout primitive
ERROR: Linking geometry stage: At least one shader must specify an output layout primitive
ERROR: Linking geometry stage: At least one shader must specify a layout(max_vertices = value)
Shader version: 450
invocations = 1
max_vertices = -1
input primitive = none
input primitive = triangles
output primitive = none
0:? Sequence
0:11 Function Definition: main( ( global void)
0:11 Function Parameters:
0:13 Sequence
0:13 move second child to first child ( temp float)
0:13 direct index (layout( stream=0) temp float CullDistance)
0:13 gl_CullDistance: direct index for structure (layout( stream=0) out 3-element array of float CullDistance)
0:13 'anon@0' (layout( stream=0) out block{layout( stream=0) out 3-element array of float CullDistance gl_CullDistance})
0:13 Constant:
0:13 3 (const uint)
0:13 Constant:
0:13 2 (const int)
0:13 direct index ( temp float CullDistance)
0:13 gl_CullDistance: direct index for structure ( in 3-element array of float CullDistance)
0:13 direct index ( temp block{ in 3-element array of float CullDistance gl_CullDistance})
0:13 'gl_in' ( in 2-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:13 Constant:
0:13 1 (const int)
0:13 Constant:
0:13 0 (const int)
0:13 Constant:
0:13 2 (const int)
ERROR: node is still EOpNull!
0:13 Function Definition: main( ( global void)
0:13 Function Parameters:
0:15 Sequence
0:15 direct index ( temp block{ in 3-element array of float CullDistance gl_CullDistance})
0:15 'gl_in' ( in 3-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:15 Constant:
0:15 3 (const int)
0:16 move second child to first child ( temp float)
0:16 direct index (layout( stream=0) temp float CullDistance)
0:16 gl_CullDistance: direct index for structure (layout( stream=0) out 3-element array of float CullDistance)
0:16 'anon@0' (layout( stream=0) out block{layout( stream=0) out 3-element array of float CullDistance gl_CullDistance})
0:16 Constant:
0:16 3 (const uint)
0:16 Constant:
0:16 2 (const int)
0:16 direct index ( temp float CullDistance)
0:16 gl_CullDistance: direct index for structure ( in 3-element array of float CullDistance)
0:16 direct index ( temp block{ in 3-element array of float CullDistance gl_CullDistance})
0:16 'gl_in' ( in 3-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:16 Constant:
0:16 1 (const int)
0:16 Constant:
0:16 0 (const int)
0:16 Constant:
0:16 2 (const int)
0:? Linker Objects
0:? 'gl_in' ( in 2-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:? 'gl_in' ( in 3-element array of block{ in 3-element array of float CullDistance gl_CullDistance})
0:? 'anon@0' (layout( stream=0) out block{layout( stream=0) out 3-element array of float CullDistance gl_CullDistance})

4
glslang/Include/revision.h
View File

@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "Overload400-PrecQual.1958"
#define GLSLANG_DATE "31-Mar-2017"
#define GLSLANG_REVISION "Overload400-PrecQual.1965"
#define GLSLANG_DATE "03-Apr-2017"

14
glslang/MachineIndependent/ParseHelper.cpp
View File

@ -342,10 +342,8 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
TIntermTyped* result = nullptr;
int indexValue = 0;
if (index->getQualifier().isFrontEndConstant()) {
if (index->getQualifier().isFrontEndConstant())
indexValue = index->getAsConstantUnion()->getConstArray()[0].getIConst();
checkIndex(loc, base->getType(), indexValue);
}
variableCheck(base);
if (! base->isArray() && ! base->isMatrix() && ! base->isVector()) {
@ -353,10 +351,12 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
error(loc, " left of '[' is not of type array, matrix, or vector ", base->getAsSymbolNode()->getName().c_str(), "");
else
error(loc, " left of '[' is not of type array, matrix, or vector ", "expression", "");
} else if (base->getType().getQualifier().isFrontEndConstant() && index->getQualifier().isFrontEndConstant())
} else if (base->getType().getQualifier().isFrontEndConstant() && index->getQualifier().isFrontEndConstant()) {
// both base and index are front-end constants
checkIndex(loc, base->getType(), indexValue);
return intermediate.foldDereference(base, indexValue, loc);
else {
// at least one of base and index is variable...
} else {
// at least one of base and index is not a front-end constant variable...
if (base->getAsSymbolNode() && isIoResizeArray(base->getType()))
handleIoResizeArrayAccess(loc, base);
@ -364,6 +364,8 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
if (index->getQualifier().isFrontEndConstant()) {
if (base->getType().isImplicitlySizedArray())
updateImplicitArraySize(loc, base, indexValue);
else
checkIndex(loc, base->getType(), indexValue);
result = intermediate.addIndex(EOpIndexDirect, base, index, loc);
} else {
if (base->getType().isImplicitlySizedArray()) {