From: Chia-I Wu <o...@lunarg.com>
Return TRUE if the display supports premultiplied alpha.
---
src/gallium/state_trackers/egl/common/native.h | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/src/gallium/state_trackers/egl/common/native.h
b/src/gallium/state_trackers/egl/common/native.h
index 0c86b75..c85aedf 100644
--- a/src/gallium/state_trackers/egl/common/native.h
+++ b/src/gallium/state_trackers/egl/common/native.h
@@ -70,7 +70,13 @@ enum native_param_type {
/**
* Return the maximum supported swap interval.
*/
- NATIVE_PARAM_MAX_SWAP_INTERVAL
+ NATIVE_PARAM_MAX_SWAP_INTERVAL,
+
+ /**
+ * Return TRUE if the display supports premultiplied alpha, regardless of
+ * the surface color format.
+ */
+ NATIVE_PARAM_PREMULTIPLIED_ALPHA
};
/**
@@ -85,6 +91,9 @@ struct native_present_control {
/**< wait until the given vsyncs has passed since the last presentation */
uint swap_interval;
+
+ /**< pixels use premultiplied alpha */
+ boolean premultiplied_alpha;
};
struct native_surface {
--
1.7.5.4
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