Apricot branch: a fix for flickering alpha, with multi-material

objects. Note that sorting is only between polygons with the same
material, so which material draws first is still arbitrary, but
consistent.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/gameengine/Rasterizer/RAS_BucketManager.cpp b/source/gameengine/Rasterizer/RAS_BucketManager.cpp
index e6732d355dc..bbddf3e6155 100644
--- a/source/gameengine/Rasterizer/RAS_BucketManager.cpp
+++ b/source/gameengine/Rasterizer/RAS_BucketManager.cpp
@@ -69,7 +69,7 @@ struct RAS_BucketManager::backtofront
 {
 	bool operator()(const sortedmeshslot &a, const sortedmeshslot &b)
 	{
-		return a.m_z < b.m_z;
+		return (a.m_z < b.m_z) || (a.m_z == b.m_z && a.m_ms < b.m_ms);
 	}
 };
 
@@ -77,7 +77,7 @@ struct RAS_BucketManager::fronttoback
 {
 	bool operator()(const sortedmeshslot &a, const sortedmeshslot &b)
 	{
-		return a.m_z > b.m_z;
+		return (a.m_z > b.m_z) || (a.m_z == b.m_z && a.m_ms > b.m_ms);
 	}
 };