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GLSL/SPV: Fix #1900: Drop const on literal when doing an object copy.

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This commit is contained in:
John Kessenich 2019-09-20 06:01:42 -06:00
parent f7a48b153f
commit c2fafea970
3 changed files with 36 additions and 6 deletions
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14
Test/baseResults/nonuniform.frag.out
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@ -40,6 +40,13 @@ ERROR: node is still EOpNull!
0:27 2 (const int)
0:28 'nu_li' ( nonuniform temp int)
0:29 'nu_li' ( nonuniform temp int)
0:30 move second child to first child ( temp int)
0:30 'nu_li' ( nonuniform temp int)
0:30 indirect index ( nonuniform temp int)
0:30 'table' ( temp 5-element array of int)
0:30 copy object ( nonuniform temp int)
0:30 Constant:
0:30 3 (const int)
0:? Linker Objects
0:? 'nonuniformEXT' ( global int)
0:? 'nu_inv4' ( smooth nonuniform in 4-component vector of float)
@ -83,6 +90,13 @@ ERROR: node is still EOpNull!
0:27 2 (const int)
0:28 'nu_li' ( nonuniform temp int)
0:29 'nu_li' ( nonuniform temp int)
0:30 move second child to first child ( temp int)
0:30 'nu_li' ( nonuniform temp int)
0:30 indirect index ( nonuniform temp int)
0:30 'table' ( temp 5-element array of int)
0:30 copy object ( nonuniform temp int)
0:30 Constant:
0:30 3 (const int)
0:? Linker Objects
0:? 'nonuniformEXT' ( global int)
0:? 'nu_inv4' ( smooth nonuniform in 4-component vector of float)

4
Test/nonuniform.frag
View File

@ -22,12 +22,12 @@ void main()
nonuniformEXT const int nu_ci = 2; // ERROR, const
foo(nu_li, nu_li);
int table[5];
int a;
nu_li = nonuniformEXT(a) + nonuniformEXT(a * 2);
nu_li = nonuniformEXT(a, a); // ERROR, too many arguments
nu_li = nonuniformEXT(); // ERROR, no arguments
nu_li = table[nonuniformEXT(3)];
}
layout(location=1) in struct S { float a; nonuniformEXT float b; } ins; // ERROR, not on member
layout(location=3) in inbName { float a; nonuniformEXT float b; } inb; // ERROR, not on member

24
glslang/MachineIndependent/ParseHelper.cpp
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@ -2774,10 +2774,25 @@ bool TParseContext::builtInName(const TString& identifier)
//
bool TParseContext::constructorError(const TSourceLoc& loc, TIntermNode* node, TFunction& function, TOperator op, TType& type)
{
type.shallowCopy(function.getType());
// See if the constructor does not establish the main type, only requalifies
// it, in which case the type comes from the argument instead of from the
// constructor function.
switch (op) {
case EOpConstructNonuniform:
if (node != nullptr && node->getAsTyped() != nullptr) {
type.shallowCopy(node->getAsTyped()->getType());
type.getQualifier().makeTemporary();
type.getQualifier().nonUniform = true;
}
break;
default:
type.shallowCopy(function.getType());
break;
}
// See if it's a matrix
bool constructingMatrix = false;
switch(op) {
switch (op) {
#ifndef GLSLANG_WEB
case EOpConstructTextureSampler:
return constructorTextureSamplerError(loc, function);
@ -2871,6 +2886,8 @@ bool TParseContext::constructorError(const TSourceLoc& loc, TIntermNode* node, T
}
}
}
if (op == EOpConstructNonuniform)
constType = false;
#ifndef GLSLANG_WEB
switch (op) {
@ -7093,8 +7110,7 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
case EOpConstructNonuniform:
// Make a nonuniform copy of node
newNode = intermediate.addBuiltInFunctionCall(node->getLoc(), EOpCopyObject, true, node, node->getType());
newNode->getWritableType().getQualifier().nonUniform = true;
newNode = intermediate.addBuiltInFunctionCall(node->getLoc(), EOpCopyObject, true, node, type);
return newNode;
case EOpConstructReference: