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
|
[require]
GLSL >= 1.50
GL_ARB_gpu_shader5
[vertex shader passthrough]
[fragment shader]
#extension GL_ARB_gpu_shader5 : enable
out vec4 frag_color;
uniform uvec4 x, y;
uniform uvec4 expected_sum;
void main()
{
frag_color = vec4(0.0, 1.0, 0.0, 1.0);
/* Test that optimization passes like dead code elimination don't
* eliminate the addition if the carry result isn't used.
*/
uvec4 carry;
uvec4 sum = uaddCarry(x, y, carry);
if (sum != expected_sum)
frag_color.r = 1.0;
}
[test]
uniform uvec4 x 0 1 2 3
uniform uvec4 y 1 2 3 4
uniform uvec4 expected_sum 1 3 5 7
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
uniform uvec4 x 0 1 1 2
uniform uvec4 y 0xFFFFFFFF 0xFFFFFFFF 0xFFFFFFFE 0xFFFFFFFE
uniform uvec4 expected_sum 0xFFFFFFFF 0 0xFFFFFFFF 0
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
uniform uvec4 x 2 3 2 3
uniform uvec4 y 0xFFFFFFFF 0xFFFFFFFF 0xFFFFFFFE 0xFFFFFFFE
uniform uvec4 expected_sum 1 2 0 1
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
uniform uvec4 x 0x80000000 0x80000000 0x80000000 0x80000001
uniform uvec4 y 0x80000000 0x80000001 0x7FFFFFFF 0x7FFFFFFF
uniform uvec4 expected_sum 0 1 0xFFFFFFFF 0
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
|
