fs-struct-nonconst-sampler.shader_test 1.43 KB
Newer Older
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
# This test verifies that dynamically uniform indexing of sampler arrays
# in the fragment shader behaves correctly.

[require]
GLSL >= 1.50
GL_ARB_gpu_shader5

[vertex shader passthrough]

[fragment shader]
#version 150
#extension GL_ARB_gpu_shader5: require

struct S {
   sampler2D tex;
};

uniform S s[4];

uniform int n;

out vec4 color;

void main()
{
	color = texture(s[n].tex, vec2(0.5, 0.5));
}

[test]
clear color 0.2 0.2 0.2 0.2
clear

uniform int s[0].tex 0
uniform int s[1].tex 1
uniform int s[2].tex 2
uniform int s[3].tex 3

texture checkerboard 0 0 (32, 32) (1.0, 0.0, 0.0, 0.0) (1.0, 0.0, 0.0, 0.0)
texparameter 2D min nearest
texparameter 2D mag nearest

texture checkerboard 1 0 (32, 32) (0.0, 1.0, 0.0, 0.0) (0.0, 1.0, 0.0, 0.0)
texparameter 2D min nearest
texparameter 2D mag nearest

texture checkerboard 2 0 (32, 32) (0.0, 0.0, 1.0, 0.0) (0.0, 0.0, 1.0, 0.0)
texparameter 2D min nearest
texparameter 2D mag nearest

texture checkerboard 3 0 (32, 32) (1.0, 1.0, 1.0, 1.0) (1.0, 1.0, 1.0, 1.0)
texparameter 2D min nearest
texparameter 2D mag nearest

uniform int n 0
draw rect -1 -1 1 1

relative probe rect rgb (0.0, 0.0, 0.5, 0.5) (1.0, 0.0, 0.0)

uniform int n 1
draw rect 0 -1 1 1

relative probe rect rgb (0.5, 0.0, 0.5, 0.5) (0.0, 1.0, 0.0)

uniform int n 2
draw rect -1 0 1 1

relative probe rect rgb (0.0, 0.5, 0.5, 0.5) (0.0, 0.0, 1.0)

uniform int n 3
draw rect 0 0 1 1

relative probe rect rgb (0.5, 0.5, 0.5, 0.5) (1.0, 1.0, 1.0)