The new gl_LocalGroupSizeARB variable is meant to work with fixed sizes
as well. Test it.
Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
.../execution/fixed-local-size.shader_test | 32 ++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644
tests/spec/arb_compute_variable_group_size/execution/fixed-local-size.shader_test
diff --git
a/tests/spec/arb_compute_variable_group_size/execution/fixed-local-size.shader_test
b/tests/spec/arb_compute_variable_group_size/execution/fixed-local-size.shader_test
new file mode 100644
index 000000000..6d92aeaad
--- /dev/null
+++
b/tests/spec/arb_compute_variable_group_size/execution/fixed-local-size.shader_test
@@ -0,0 +1,32 @@
+# Simple test that verifies gl_LocalGroupSizeARB values are
+# functioning. Atomic counters are used as outputs.
+
+[require]
+GL >= 3.3
+GLSL >= 3.30
+GL_ARB_compute_variable_group_size
+GL_ARB_shader_atomic_counters
+
+[compute shader]
+#version 330
+#extension GL_ARB_compute_shader: enable
+#extension GL_ARB_compute_variable_group_size: enable
+#extension GL_ARB_shader_atomic_counters: require
+
+layout(binding = 0) uniform atomic_uint a;
+
+layout(local_size_x = 8, local_size_y = 4, local_size_z = 2) in;
+
+void main()
+{
+ if (gl_LocalGroupSizeARB.x == 8u &&
+ gl_LocalGroupSizeARB.y == 4u &&
+ gl_LocalGroupSizeARB.z == 2u)
+ atomicCounterIncrement(a);
+}
+
+[test]
+atomic counters 1
+
+compute 1 1 1
+probe atomic counter 0 == 64
--
2.13.6
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