[PATCH weston v4] simple-dmabuf-drm: nv12: properly fill Y plane

Emilio Pozuelo Monfort pochu27 at gmail.com
Thu Jul 12 11:46:26 UTC 2018


We want 0..255 values, not 0..254.

Signed-off-by: Emilio Pozuelo Monfort <emilio.pozuelo at collabora.co.uk>
---
New patch.

 clients/simple-dmabuf-drm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clients/simple-dmabuf-drm.c b/clients/simple-dmabuf-drm.c
index 4f88f12e..198d88e8 100644
--- a/clients/simple-dmabuf-drm.c
+++ b/clients/simple-dmabuf-drm.c
@@ -147,7 +147,7 @@ fill_content(struct buffer *my_buf, uint64_t modifier)
 			for (y = 0; y < my_buf->height; y++) {
 				pix8 = my_buf->mmap + y * my_buf->stride;
 				for (x = 0; x < my_buf->width; x++)
-					*pix8++ = x % 0xff;
+					*pix8++ = x % 256;
 			}
 			/* second plane (CbCr) is half the size of Y */
 			for (y = 0; y < my_buf->height; y++) {
-- 
2.18.0



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