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compositor-drm: Don't use overlay when surface alpha != 1.0f

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Assume that overlays can't handle alpha blending even with a constant
alpha factor.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2012-11-16 11:48:46 +02:00 • committed by Kristian Høgsberg
parent ab38eeed19
commit 151c436650
1 changed files with 3 additions and 0 deletions
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3
src/compositor-drm.c
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@ -596,6 +596,9 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
if (es->buffer == NULL)
return NULL;
if (es->alpha != 1.0f)
return NULL;
if (wl_buffer_is_shm(es->buffer))
return NULL;