[Piglit] [PATCH] CL: Add global memory read/write and barrier tests

[Aaron Watry]

Based on local-memory tests.
---
 tests/cl/program/execute/global-memory.cl | 83 +++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 tests/cl/program/execute/global-memory.cl

diff --git a/tests/cl/program/execute/global-memory.cl b/tests/cl/program/execute/global-memory.cl
new file mode 100644
index 0000000..7ad9e72
--- /dev/null
+++ b/tests/cl/program/execute/global-memory.cl
@@ -0,0 +1,83 @@
+/*!
+[config]
+name: global_memory
+
+[test]
+name: Simple
+kernel_name: simple
+dimensions: 1
+global_size: 1 0 0
+local_size:  1 0 0
+arg_out: 0 buffer int[2] -1 -1
+arg_in: 1 buffer int[2] 0 0
+
+[test]
+name: (16 x 1 x 1) (16 x 1 x 1)
+kernel_name: global_memory_one_work_group
+dimensions: 1
+global_size: 16 0 0
+local_size:  16 0 0
+arg_out: 0 buffer int[16] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0
+arg_in: 1 buffer int[16] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+
+[test]
+name: (64 x 1 x 1) (4 x 1 x 1)
+kernel_name: global_memory_many_work_groups
+dimensions: 1
+global_size: 64 0 0
+local_size:   4 0 0
+arg_out: 0 buffer int[64] repeat 1 2 3 0
+arg_in: 1 buffer int[64] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+
+[test]
+name: 2 global memory objects
+kernel_name: global_memory_two_objects
+dimensions: 1
+global_size: 4 0 0
+local_size:  4 0 0
+arg_out: 0 buffer int[8] 3 2 1 0 6 4 2 0
+arg_in: 1 buffer int[4] repeat 0
+arg_in: 2 buffer int[4] repeat 0
+
+!*/
+
+kernel void simple(global int *out, global int *tmp_mem) {
+	tmp_mem[0] = 0xffffffff;
+	tmp_mem[1] = 0xffffffff;
+	out[0] = tmp_mem[0];
+	out[1] = tmp_mem[1];
+}
+
+kernel void global_memory_one_work_group(global int *out, global int *tmp_mem) {
+	int group_offset = get_group_id(0) * get_local_size(0);
+	int index = get_local_id(0);
+	int index2;
+	tmp_mem[group_offset + index] = index;
+	index2 = index + 1;
+	index2 = (index2 % 16);
+	barrier(CLK_GLOBAL_MEM_FENCE);
+	out[index] = tmp_mem[group_offset + index2];
+}
+
+kernel void global_memory_many_work_groups(global int *out, global int *tmp_mem) {
+	int group_offset = get_group_id(0) * get_local_size(0);
+	int index = get_local_id(0);
+	int global_id = get_global_id(0);
+	int index2;
+	tmp_mem[group_offset + index] = index;
+	index2 = index + 1;
+	index2 = (index2 % 4);
+	barrier(CLK_GLOBAL_MEM_FENCE);
+	out[global_id] = tmp_mem[group_offset + index2];
+}
+
+kernel void global_memory_two_objects(global int *out, global int *tmp_mem0, global int *tmp_mem1) {
+	int group_offset = get_group_id(0) * get_local_size(0);
+	int index = get_local_id(0);
+	int index2 = 3 - index;
+	tmp_mem0[group_offset + index] = index;
+	tmp_mem1[group_offset + index] = index * 2;
+	barrier(CLK_GLOBAL_MEM_FENCE);
+	out[group_offset + index] = tmp_mem0[group_offset + index2];
+	out[group_offset + index + 4] = tmp_mem1[group_offset + index2];
+}
-- 
1.8.4