GL: Occlusion query bugfix

10 years ago · 1c67d6ec0f
parent 7aedffce9a
commit 1c67d6ec0f
1 changed files with 7 additions and 3 deletions
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@ -2803,9 +2803,13 @@ IOcclusionQuery::TOcclusionType COcclusionQueryGL::getOcclusionType()
 		else
 		{
 			GLuint result;
-			nglGetQueryObjectuivARB(ID, GL_QUERY_RESULT, &result);
-			OcclusionType = result != 0 ? NotOccluded : Occluded;
-			VisibleCount = (uint) result;
+			nglGetQueryObjectuivARB(ID, GL_QUERY_RESULT_AVAILABLE, &result);
+			if (result != GL_FALSE)
+			{
+				nglGetQueryObjectuivARB(ID, GL_QUERY_RESULT, &result);
+				OcclusionType = result != 0 ? NotOccluded : Occluded;
+				VisibleCount = (uint) result;
+			}
 		}
 	}
 #endif