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# Simple test of atomicCounterIncrement, atomicCounterDecrement and
# atomicCounter being used in the VS.
[require]
GLSL >= 1.40
GL_ARB_shader_atomic_counters
GL_ARB_arrays_of_arrays
INT GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS >= 1
[vertex 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];
layout(binding = 0) uniform atomic_uint a1[3][2][2];
in vec4 piglit_vertex;
out vec4 vcolor;
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[1][2]);
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;
/* Skip one decrement since it may be the 0 => 0xffffffff
* transition.
*/
atomicCounterDecrement(a1[0][1][1]);
atomicCounterDecrement(a1[2][0][1]);
/* Get all initail values of a1 */
v0[0] = atomicCounter(a1[0][0][0]);
v0[1] = atomicCounter(a1[0][0][1]);
v0[2] = atomicCounter(a1[0][1][0]);
v0[3] = atomicCounter(a1[0][1][1]);
v0[4] = atomicCounter(a1[1][0][0]);
v0[5] = atomicCounter(a1[1][0][1]);
v0[6] = atomicCounter(a1[1][1][0]);
v0[7] = atomicCounter(a1[1][1][1]);
v0[8] = atomicCounter(a1[2][0][0]);
v0[9] = atomicCounter(a1[2][0][1]);
v0[10] = atomicCounter(a1[2][1][0]);
v0[11] = atomicCounter(a1[2][1][1]);
/* Test that a decrement of an atomic
* counter results in a smaller value.
* Also test that all other array elements are unaffected.
*/
v1[0] = atomicCounter(a1[0][0][0]);
v1[1] = atomicCounter(a1[0][0][1]);
v1[2] = atomicCounter(a1[0][1][0]);
v1[3] = atomicCounterDecrement(a1[0][1][1]);
v1[4] = atomicCounter(a1[1][0][0]);
v1[5] = atomicCounter(a1[1][0][1]);
v1[6] = atomicCounter(a1[1][1][0]);
v1[7] = atomicCounter(a1[1][1][1]);
v1[8] = atomicCounter(a1[2][0][0]);
v1[9] = atomicCounterDecrement(a1[2][0][1]);
v1[10] = atomicCounter(a1[2][1][0]);
v1[11] = atomicCounter(a1[2][1][1]);
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] || v1[8] != v0[8] ||
v1[9] >= v0[9] || v1[10] != v0[10] || v1[11] != v0[11])
passed = false;
if (passed)
vcolor = vec4(0.0, 1.0, 0.0, 1.0);
else
vcolor = vec4(1.0, 0.0, 0.0, 1.0);
gl_Position = piglit_vertex;
}
[fragment shader]
#version 140
in vec4 vcolor;
out vec4 fcolor;
void main()
{
fcolor = vcolor;
}
[test]
atomic counters 20
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
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