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# Simple test of accessing an atomic counter with dynamic indicies.
#
[require]
GLSL >= 1.40
GL_ARB_shader_atomic_counters
GL_ARB_arrays_of_arrays
[vertex shader passthrough]
[fragment shader]
#version 140
#extension GL_ARB_shader_atomic_counters: require
#extension GL_ARB_arrays_of_arrays: require
layout(binding = 0) uniform atomic_uint a0[2][4];
uniform int n;
uniform int m;
out vec4 fcolor;
void main()
{
bool passed = true;
uint v0[12];
uint v1[12];
/* Get all initail values of a0 */
v0[0] = atomicCounter(a0[0][0]);
v0[1] = atomicCounter(a0[0][1]);
v0[2] = atomicCounter(a0[0][2]);
v0[3] = atomicCounter(a0[0][3]);
v0[4] = atomicCounter(a0[1][0]);
v0[5] = atomicCounter(a0[1][1]);
v0[6] = atomicCounter(a0[1][2]);
v0[7] = atomicCounter(a0[1][3]);
/* Test that incrementing, followed by a read of an atomic
* counter results in a larger value.
* Also test that all other array elements are unaffected. */
atomicCounterIncrement(a0[0][0]);
atomicCounterIncrement(a0[n][m]);
v1[0] = atomicCounter(a0[0][0]);
v1[1] = atomicCounter(a0[0][1]);
v1[2] = atomicCounter(a0[0][2]);
v1[3] = atomicCounter(a0[0][3]);
v1[4] = atomicCounter(a0[1][0]);
v1[5] = atomicCounter(a0[1][1]);
v1[6] = atomicCounter(a0[1][2]);
v1[7] = atomicCounter(a0[1][3]);
if(v1[0] <= v0[0] || v1[1] != v0[1] || v1[2] != v0[2] ||
v1[3] != v0[3] || v1[4] != v0[4] || v1[5] != v0[5] ||
v1[6] <= v0[6] || v1[7] != v0[7])
passed = false;
if (passed)
fcolor = vec4(0.0, 1.0, 0.0, 1.0);
else
fcolor = vec4(1.0, 0.0, 0.0, 1.0);
}
[test]
atomic counters 8
uniform int n 1
uniform int m 2
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
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