[Piglit] [PATCH 3/3] arb_arrays_of_arrays: add simple fs atomic counter execution test

[Ilia Mirkin]

On Sun, Aug 2, 2015 at 8:04 AM, Timothy Arceri <t_arceri at yahoo.com.au> wrote:
> ---
>  .../fs-simple-inc-dec-read.shader_test             | 109 +++++++++++++++++++++
>  1 file changed, 109 insertions(+)
>  create mode 100644 tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-simple-inc-dec-read.shader_test
>
> diff --git a/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-simple-inc-dec-read.shader_test b/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-simple-inc-dec-read.shader_test
> new file mode 100644
> index 0000000..cce0716
> --- /dev/null
> +++ b/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-simple-inc-dec-read.shader_test
> @@ -0,0 +1,109 @@
> +# Simple test of atomicCounterIncrement, atomicCounterDecrement and
> +# atomicCounter being used in the FS.
> +
> +[require]
> +GLSL >= 1.40
> +GL_ARB_shader_atomic_counters
> +GL_ARB_arrays_of_arrays
> +INT GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS >= 2

why?

> +
> +[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];
> +layout(binding = 0) uniform atomic_uint a1[3][2][2];
> +
> +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[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)
> +               fcolor = vec4(0.0, 1.0, 0.0, 1.0);
> +       else
> +               fcolor = vec4(1.0, 0.0, 0.0, 1.0);
> +}
> +
> +[test]
> +atomic counters 2

I count 12.

> +
> +draw rect -1 -1 2 2
> +probe all rgba 0.0 1.0 0.0 1.0
> --
> 2.4.3
>
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