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# Test generated by:
# ../../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 mat3 src_matrix;
uniform vec3 v;
uniform vec3 expect;
uniform int index;
uniform int row;
uniform int col;
uniform float value;
void main()
{
gl_Position = vertex;
gl_Position *= projection;
mat3 dst_matrix[3];
dst_matrix[0] = mat3(0.0);
dst_matrix[1] = mat3(0.0);
dst_matrix[2] = mat3(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][row] = value;
gl_FrontColor = (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);
}
[fragment shader]
void main() { gl_FragColor = gl_Color; }
[test]
clear color 0.5 0.5 0.5 0.5
clear
uniform int row 0
uniform vec3 v 0.681652305322399 0.210426138878113 0.185916924650237
uniform vec3 expect 0.610649606928364 0.711906885823636 0.312244778977868
uniform mat3x3 src_matrix 0.493944462129466 0.722190133917966 0.239853948232558 666.0 0.591962645398579 0.467616286531193 0.850846377186973 0.511303112962423 0.270815003356504
uniform float value 0.550143078409278
draw rect 75 5 10 10
probe rgb 80 10 0.0 1.0 0.0
uniform int row 1
uniform vec3 v 0.681652305322399 0.210426138878113 0.185916924650237
uniform vec3 expect 0.610649606928364 0.711906885823636 0.312244778977868
uniform mat3x3 src_matrix 0.493944462129466 0.722190133917966 0.239853948232558 0.550143078409278 666.0 0.467616286531193 0.850846377186973 0.511303112962423 0.270815003356504
uniform float value 0.591962645398579
draw rect 75 20 10 10
probe rgb 80 25 0.0 1.0 0.0
uniform int row 2
uniform vec3 v 0.681652305322399 0.210426138878113 0.185916924650237
uniform vec3 expect 0.610649606928364 0.711906885823636 0.312244778977868
uniform mat3x3 src_matrix 0.493944462129466 0.722190133917966 0.239853948232558 0.550143078409278 0.591962645398579 666.0 0.850846377186973 0.511303112962423 0.270815003356504
uniform float value 0.467616286531193
draw rect 75 35 10 10
probe rgb 80 40 0.0 1.0 0.0
clear
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