internal-screenshot-test: Fix endian problem
Use bit-shifts to properly generate pixel data.
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/tests/internal-screenshot-test.c b/tests/internal-screenshot-test.c
index 1db0722..f0bf587 100644
--- a/tests/internal-screenshot-test.c
+++ b/tests/internal-screenshot-test.c
@@ -184,16 +184,19 @@
}
static void
-draw_stuff(char *pixels, int w, int h)
+draw_stuff(void *pixels, int w, int h)
{
int x, y;
+ uint8_t r, g, b;
+ uint32_t *pixel;
for (x = 0; x < w; x++)
for (y = 0; y < h; y++) {
- pixels[y * w * 4 + x * 4] = x;
- pixels[y * w * 4 + x * 4 + 1] = x + y;
- pixels[y * w * 4 + x * 4 + 2] = y;
- pixels[y * w * 4 + x * 4 + 3] = 255;
+ b = x;
+ g = x + y;
+ r = y;
+ pixel = (uint32_t *)pixels + y * w + x;
+ *pixel = (255 << 24) | (r << 16) | (g << 8) | b;
}
}