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authorHomer Hsing <homer.xing@intel.com>2013-05-02 09:00:31 +0800
committerZhigang Gong <zhigang.gong@linux.intel.com>2013-05-02 10:46:58 +0800
commitd0f10c38843b1f8f1e3a688b86a4139661816583 (patch)
tree6b8c8d65754630758c67250b57eb7eef6441e835 /src
parent29e29dcfe7060be1fbe75c0b5bdb2978e0a59128 (diff)
Support global constant arrays
Version 3. Support global constant arrays defined outside any kernel. Example: constant int h[] = {71,72,73,74,75,76,77}; kernel void k(global int *dst) { int i = get_global_id(0); dst[i] = h[i % 7]; } Signed-off-by: Homer Hsing <homer.xing@intel.com> Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
Diffstat (limited to 'src')
-rw-r--r--src/cl_command_queue_gen7.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/cl_command_queue_gen7.c b/src/cl_command_queue_gen7.c
index 9402549c..108684f0 100644
--- a/src/cl_command_queue_gen7.c
+++ b/src/cl_command_queue_gen7.c
@@ -120,6 +120,7 @@ cl_curbe_fill(cl_kernel ker,
UPLOAD(GBE_CURBE_GROUP_NUM_Y, global_wk_sz[1]/local_wk_sz[1]);
UPLOAD(GBE_CURBE_GROUP_NUM_Z, global_wk_sz[2]/local_wk_sz[2]);
UPLOAD(GBE_CURBE_THREAD_NUM, thread_n);
+ UPLOAD(GBE_CURBE_GLOBAL_CONSTANT_OFFSET, gbe_kernel_get_curbe_offset(ker->opaque, GBE_CURBE_GLOBAL_CONSTANT_DATA, 0) + 32);
#undef UPLOAD
/* Write identity for the stack pointer. This is required by the stack pointer
@@ -132,6 +133,13 @@ cl_curbe_fill(cl_kernel ker,
for (i = 0; i < (int32_t) simd_sz; ++i) stackptr[i] = i;
}
+ /* Write global constant arrays */
+ if ((offset = gbe_kernel_get_curbe_offset(ker->opaque, GBE_CURBE_GLOBAL_CONSTANT_DATA, 0)) >= 0) {
+ /* Write the global constant arrays */
+ gbe_program prog = ker->program->opaque;
+ gbe_program_get_global_constant_data(prog, ker->curbe + offset);
+ }
+
/* Handle the various offsets to SLM */
const int32_t arg_n = gbe_kernel_get_arg_num(ker->opaque);
int32_t arg, slm_offset = 0;