[Piglit] [PATCH V2 1/4] arb_arrays_of_arrays: add some atomic counter indirect indexing tests

[Timothy Arceri]

V2: Initialise correct number of counters, fix testing of required
max buffers
---
 .../atomic_counters/fs-indirect-index.shader_test  | 71 +++++++++++++++++++
 .../atomic_counters/vs-indirect-index.shader_test  | 82 ++++++++++++++++++++++
 2 files changed, 153 insertions(+)
 create mode 100644 tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-indirect-index.shader_test
 create mode 100644 tests/spec/arb_arrays_of_arrays/execution/atomic_counters/vs-indirect-index.shader_test

diff --git a/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-indirect-index.shader_test b/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-indirect-index.shader_test
new file mode 100644
index 0000000..d935112
--- /dev/null
+++ b/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/fs-indirect-index.shader_test
@@ -0,0 +1,71 @@
+# 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;
+
+in vec4 vcolor;
+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
diff --git a/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/vs-indirect-index.shader_test b/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/vs-indirect-index.shader_test
new file mode 100644
index 0000000..d58b076
--- /dev/null
+++ b/tests/spec/arb_arrays_of_arrays/execution/atomic_counters/vs-indirect-index.shader_test
@@ -0,0 +1,82 @@
+# Simple test of accessing an atomic counter with dynamic indicies.
+#
+
+[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];
+
+uniform int n;
+uniform int m;
+
+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[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)
+		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 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
-- 
2.4.3