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
|
[require]
GLSL >= 1.10
[vertex shader]
uniform float one;
uniform int index;
void main()
{
/* Intentionally initialize the array in a non-ascending order. */
vec4 array[4];
array[2] = vec4(0.1, 0, 0, 0) * one;
array[0] = vec4(0, 0.1, 0, 0) * one;
array[3] = vec4(0, 0, 0.1, 0) * one;
array[1] = vec4(0, 0.1, 0.1, 0) * one;
array[index] = vec4(0.5, 0.5, 0.5, 0);
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
gl_FrontColor = array[0] + array[1] + array[2] + array[3];
}
[fragment shader file]
glsl-color.frag
[test]
ortho
clear color 0.5 0.5 0.5 0.5
clear
uniform float one 1
uniform int index 0
draw rect 10 10 10 10
probe rgb 15 15 0.6 0.6 0.7
uniform int index 1
draw rect 30 10 10 10
probe rgb 35 15 0.6 0.6 0.6
uniform int index 2
draw rect 50 10 10 10
probe rgb 55 15 0.5 0.7 0.7
uniform int index 3
draw rect 70 10 10 10
probe rgb 75 15 0.6 0.7 0.6
|
