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Fix #2132: constant matrix constructor from single non-scalar argument

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This commit is contained in:
John Kessenich 2020-03-18 10:27:59 -06:00
parent 4b420b4ffc
commit 8c21e0a250
3 changed files with 84 additions and 25 deletions
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88
Test/baseResults/constFold.frag.out
View File

@ -260,27 +260,27 @@ ERROR: node is still EOpNull!
0:120 1.000000
0:120 Constant:
0:120 3 (const int)
0:126 Function Definition: foo3( ( global void)
0:126 Function Parameters:
0:128 Sequence
0:128 Sequence
0:128 move second child to first child ( temp 3X2 matrix of float)
0:128 'r32' ( temp 3X2 matrix of float)
0:128 Constant:
0:128 43.000000
0:128 64.000000
0:128 51.000000
0:128 76.000000
0:128 59.000000
0:128 88.000000
0:138 Function Definition: foo4( ( global void)
0:138 Function Parameters:
0:140 Sequence
0:140 Sequence
0:140 move second child to first child ( temp int)
0:140 'a' ( temp int)
0:140 Constant:
0:140 9 (const int)
0:129 Function Definition: foo3( ( global void)
0:129 Function Parameters:
0:131 Sequence
0:131 Sequence
0:131 move second child to first child ( temp 3X2 matrix of float)
0:131 'r32' ( temp 3X2 matrix of float)
0:131 Constant:
0:131 43.000000
0:131 64.000000
0:131 51.000000
0:131 76.000000
0:131 59.000000
0:131 88.000000
0:141 Function Definition: foo4( ( global void)
0:141 Function Parameters:
0:143 Sequence
0:143 Sequence
0:143 move second child to first child ( temp int)
0:143 'a' ( temp int)
0:143 Constant:
0:143 9 (const int)
0:? Linker Objects
0:? 'a' ( const int)
0:? 1 (const int)
@ -367,6 +367,29 @@ ERROR: node is still EOpNull!
0:? 13.000000
0:? 14.000000
0:? 15.000000
0:? 'm22' ( const 2X2 matrix of float)
0:? 1.000000
0:? 2.000000
0:? 3.000000
0:? 4.000000
0:? 'mm34' ( const 3X4 matrix of float)
0:? 7.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 7.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 7.000000
0:? 0.000000
0:? 'mv4' ( const 4-component vector of float)
0:? 1.000000
0:? 2.000000
0:? 3.000000
0:? 4.000000
0:? 'a0' ( const 3-element array of structure{ global int i, global float f, global bool b})
0:? 3 (const int)
0:? 2.000000
@ -635,6 +658,29 @@ ERROR: node is still EOpNull!
0:? 13.000000
0:? 14.000000
0:? 15.000000
0:? 'm22' ( const 2X2 matrix of float)
0:? 1.000000
0:? 2.000000
0:? 3.000000
0:? 4.000000
0:? 'mm34' ( const 3X4 matrix of float)
0:? 7.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 7.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 7.000000
0:? 0.000000
0:? 'mv4' ( const 4-component vector of float)
0:? 1.000000
0:? 2.000000
0:? 3.000000
0:? 4.000000
0:? 'a0' ( const 3-element array of structure{ global int i, global float f, global bool b})
0:? 3 (const int)
0:? 2.000000

3
Test/constFold.frag
View File

@ -122,6 +122,9 @@ void foo2()
const mat2 mm2 = mat2(1.0, 2.0, 3.0, 4.0);
const mat3x2 mm32 = mat3x2(10.0, 11.0, 12.0, 13.0, 14.0, 15.0);
const mat2 m22 = mat2(vec4(1.0, 2.0, 3.0, 4.0));
const mat3x4 mm34 = mat3x4(7.0);
const vec4 mv4 = vec4(m22);
void foo3()
{

18
glslang/MachineIndependent/parseConst.cpp
View File

@ -165,17 +165,27 @@ void TConstTraverser::visitConstantUnion(TIntermConstantUnion* node)
}
}
} else {
// matrix from vector
// matrix from vector or scalar
int count = 0;
const int startIndex = index;
int nodeComps = node->getType().computeNumComponents();
for (int i = startIndex; i < endIndex; i++) {
if (i >= instanceSize)
return;
if (i == startIndex || (i - startIndex) % (matrixRows + 1) == 0 )
if (nodeComps == 1) {
// If there is a single scalar parameter to a matrix
// constructor, it is used to initialize all the
// components on the matrix’s diagonal, with the
// remaining components initialized to 0.0.
if (i == startIndex || (i - startIndex) % (matrixRows + 1) == 0 )
leftUnionArray[i] = rightUnionArray[count];
else
leftUnionArray[i].setDConst(0.0);
} else {
// construct the matrix in column-major order, from
// the components provided, in order
leftUnionArray[i] = rightUnionArray[count];
else
leftUnionArray[i].setDConst(0.0);
}
index++;