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# This test verifies that dynamically uniform indexing of sampler arrays
# in the vertex shader behaves correctly.
[require]
GLSL >= 1.50
GL_ARB_gpu_shader5
[vertex shader]
#version 150
#extension GL_ARB_gpu_shader5: require
uniform sampler2D s[4];
uniform int n;
in vec4 piglit_vertex;
out vec4 color;
void main()
{
gl_Position = piglit_vertex;
color = texture(s[n], vec2(0.75, 0.25));
}
[fragment shader]
#version 150
#extension GL_ARB_gpu_shader5: require
in vec4 color;
out vec4 out_color;
void main()
{
out_color = color;
}
[test]
clear color 0.2 0.2 0.2 0.2
clear
uniform int s[0] 0
uniform int s[1] 1
uniform int s[2] 2
uniform int s[3] 3
texture checkerboard 0 0 (32, 32) (0.5, 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) (0.5, 0.0, 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) (0.5, 0.0, 0.0, 0.0) (0.0, 0.0, 1.0, 0.0)
texparameter 2D min nearest
texparameter 2D mag nearest
texture checkerboard 3 0 (32, 32) (0.5, 0.0, 0.0, 0.0) (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)
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