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Only try swizzles on vectors, numbers, and booleans.

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This commit is contained in:
Aaron Muir Hamilton 2017-10-21 19:13:42 +00:00
parent b1eaf82cc8
commit 07c0bcea92
4 changed files with 25 additions and 16 deletions
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30
Test/baseResults/invalidSwizzle.vert.out
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@ -1,17 +1,20 @@
invalidSwizzle.vert invalidSwizzle.vert
ERROR: 0:6: 'xx' : does not apply to this type: global void ERROR: 0:7: 'rr' : does not apply to this type: uniform sampler2D
ERROR: 0:7: 'xy' : does not apply to this type: global void ERROR: 0:7: '=' : cannot convert from ' uniform sampler2D' to ' temp 2-component vector of float'
ERROR: 2 compilation errors. No code generated. ERROR: 0:8: 'xx' : does not apply to this type: global void
ERROR: 0:9: 'xy' : does not apply to this type: global void
ERROR: 4 compilation errors. No code generated.
Shader version: 420 Shader version: 420
ERROR: node is still EOpNull! ERROR: node is still EOpNull!
0:5 Function Definition: main( ( global void) 0:6 Function Definition: main( ( global void)
0:5 Function Parameters: 0:6 Function Parameters:
0:6 Sequence 0:? Sequence
0:6 Function Call: f( ( global void) 0:8 Function Call: f( ( global void)
0:7 Function Call: f( ( global void) 0:9 Function Call: f( ( global void)
0:? Linker Objects 0:? Linker Objects
0:? 's' ( uniform sampler2D)
0:? 'gl_VertexID' ( gl_VertexId int VertexId) 0:? 'gl_VertexID' ( gl_VertexId int VertexId)
0:? 'gl_InstanceID' ( gl_InstanceId int InstanceId) 0:? 'gl_InstanceID' ( gl_InstanceId int InstanceId)
@ -23,12 +26,13 @@ ERROR: Linking vertex stage: No function definition (body) found:
Shader version: 420 Shader version: 420
ERROR: node is still EOpNull! ERROR: node is still EOpNull!
0:5 Function Definition: main( ( global void) 0:6 Function Definition: main( ( global void)
0:5 Function Parameters: 0:6 Function Parameters:
0:6 Sequence 0:? Sequence
0:6 Function Call: f( ( global void) 0:8 Function Call: f( ( global void)
0:7 Function Call: f( ( global void) 0:9 Function Call: f( ( global void)
0:? Linker Objects 0:? Linker Objects
0:? 's' ( uniform sampler2D)
0:? 'gl_VertexID' ( gl_VertexId int VertexId) 0:? 'gl_VertexID' ( gl_VertexId int VertexId)
0:? 'gl_InstanceID' ( gl_InstanceId int InstanceId) 0:? 'gl_InstanceID' ( gl_InstanceId int InstanceId)

2
Test/invalidSwizzle.vert
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@ -1,8 +1,10 @@
#version 420 #version 420
void f(); void f();
uniform sampler2D s;
void main() { void main() {
vec2 v = s.rr; // Swizzles do not apply to samplers
f().xx; // Scalar swizzle does not apply to void f().xx; // Scalar swizzle does not apply to void
f().xy; // Vector swizzle does not apply either f().xy; // Vector swizzle does not apply either
} }

2
glslang/Include/intermediate.h
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@ -875,6 +875,8 @@ public:
virtual bool isVector() const { return type.isVector(); } virtual bool isVector() const { return type.isVector(); }
virtual bool isScalar() const { return type.isScalar(); } virtual bool isScalar() const { return type.isScalar(); }
virtual bool isStruct() const { return type.isStruct(); } virtual bool isStruct() const { return type.isStruct(); }
virtual bool isFloatingDomain() const { return type.isFloatingDomain(); }
virtual bool isIntegerDomain() const { return type.isIntegerDomain(); }
TString getCompleteString() const { return type.getCompleteString(); } TString getCompleteString() const { return type.getCompleteString(); }
protected: protected:

3
glslang/MachineIndependent/ParseHelper.cpp
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@ -665,7 +665,8 @@ TIntermTyped* TParseContext::handleDotDereference(const TSourceLoc& loc, TInterm
// leaving swizzles and struct/block dereferences. // leaving swizzles and struct/block dereferences.
TIntermTyped* result = base; TIntermTyped* result = base;
if (base->getBasicType() != EbtVoid && (base->isVector() || base->isScalar())) { if ((base->isVector() || base->isScalar()) &&
(base->isFloatingDomain() || base->isIntegerDomain() || base->getBasicType() == EbtBool)) {
if (base->isScalar()) { if (base->isScalar()) {
const char* dotFeature = "scalar swizzle"; const char* dotFeature = "scalar swizzle";
requireProfile(loc, ~EEsProfile, dotFeature); requireProfile(loc, ~EEsProfile, dotFeature);