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| author | Homer Hsing <homer.xing@intel.com> | 2013-02-01 13:48:59 +0800 |
|---|---|---|
| committer | Zhigang Gong <zhigang.gong@linux.intel.com> | 2013-04-10 14:52:32 +0800 |
| commit | a985f4e11b21bb3fd2506a4b56c7f06891dbdd16 (patch) | |
| tree | 90dd7213d99e944dd78f9a75e94ea075dc2c4216 /kernels | |
| parent | b3e9efd931ce0aa76cdf1480d1b685a5bcae695f (diff) | |
Make "logical shift right" work
Before we fix the bug, the "logical shift right" is wrong:
(0xFF000000U >> 24) == 0xFFFFFFFF
After we fix the bug, it is right.
(0xFF000000U >> 24) == 0xFF
Also add a test case, test by 128 random input.
This patch fixes "component_transfer_linear" filter.
Signed-off-by: Homer Hsing <homer.xing@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
Tested-by: Zhigang Gong <zhigang.gong@linux.intel.com>
Diffstat (limited to 'kernels')
| -rw-r--r-- | kernels/compiler_shift_right.cl | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernels/compiler_shift_right.cl b/kernels/compiler_shift_right.cl new file mode 100644 index 00000000..c1091704 --- /dev/null +++ b/kernels/compiler_shift_right.cl @@ -0,0 +1,4 @@ +kernel void compiler_shift_right(global uint *src, global int *dst) { + int i = get_global_id(0); + dst[i] = src[i] >> 24; +} |