summaryrefslogtreecommitdiff
path: root/tests/spec/glsl-1.20/execution/variable-indexing/vs-varying-array-mat2-row-wr.shader_test
blob: 0960afb7aff8855d199af3e6192740dd2318e461 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
# Test generated by:
# ../../../glsl-1.10/variable-index-write.sh 1.20

[require]
GLSL >= 1.20

[vertex shader]
#version 120
uniform mat2x2 src_matrix;
uniform vec2 v;
uniform vec2 expect;
uniform int index;
uniform int row;
uniform int col;
uniform float value;
varying mat2x2[3] dst_matrix;

void main()
{
    gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;

    dst_matrix = mat2x2[3](mat2x2(0.0), mat2x2(0.0), mat2x2(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;
}

[fragment shader]
#version 120
uniform mat2x2 src_matrix;
uniform vec2 v;
uniform vec2 expect;
uniform int index;
uniform int row;
uniform int col;
uniform float value;
varying mat2x2[3] dst_matrix;

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
ortho

uniform int row 0
uniform vec2 v 0.803161418975390 0.852987140792140
uniform vec2 expect 0.708718134966688 1.452243795483797
uniform mat2x2 src_matrix 0.241498998195656 0.861223395812970 666.0 0.891622340451180
uniform float value 0.603473877011433
draw rect 60 5 10 10
probe rgb 65 10 0.0 1.0 0.0

uniform int row 1
uniform vec2 v 0.803161418975390 0.852987140792140
uniform vec2 expect 0.708718134966688 1.452243795483797
uniform mat2x2 src_matrix 0.241498998195656 0.861223395812970 0.603473877011433 666.0
uniform float value 0.891622340451180
draw rect 60 20 10 10
probe rgb 65 25 0.0 1.0 0.0