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# Test generated by:
# ../../../glsl-1.10/variable-index-write.sh 1.00
[require]
GLSL ES >= 1.00
GL ES >= 2.0
[vertex shader]
attribute vec4 vertex;
mat4 projection = mat4(
2.0/250.0, 0.0, 0.0, -1.0,
0.0, 2.0/250.0, 0.0, -1.0,
0.0, 0.0, -1.0, 0.0,
0.0, 0.0, 0.0, 1.0);
uniform mat2 src_matrix;
uniform vec2 v;
uniform vec2 expect;
uniform int index;
uniform int col;
uniform vec2 value;
varying mat2 dst_matrix[3];
void main()
{
gl_Position = vertex;
gl_Position *= projection;
dst_matrix[0] = mat2(0.0);
dst_matrix[1] = mat2(0.0);
dst_matrix[2] = mat2(0.0);
/* Patch the supplied matrix with the supplied value. If the resulting
* matrix is correct, it will transform the input vector to the expected
* value. Verify that the distance between the result and the expected
* vector is less than epsilon.
*
* NOTE: This test assumes that reads of arrays using non-constant
* indicies works correctly. If reads and writes happen to fail in an
* identical manner, this test may give false positives.
*/
dst_matrix[1] = src_matrix;
dst_matrix[1][1] = value;
}
[fragment shader]
precision highp float;
precision highp int;
uniform mat2 src_matrix;
uniform vec2 v;
uniform vec2 expect;
uniform int index;
uniform int col;
uniform vec2 value;
varying mat2 dst_matrix[3];
void main()
{
gl_FragColor = (distance(dst_matrix[1] * v, expect) < 1e-6)
? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
}
[test]
clear color 0.5 0.5 0.5 0.5
clear
uniform vec2 v 0.803161418975390 0.852987140792140
uniform vec2 expect 0.708718134966688 1.452243795483797
uniform mat2x2 src_matrix 0.241498998195656 0.861223395812970 666.0 777.0
uniform vec2 value 0.603473877011433 0.891622340451180
draw rect 60 5 10 10
probe rgb 65 10 0.0 1.0 0.0
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