Changeset 86 for trunk/VUT/GtpVisibility/include/OcclusionQuery.h

Timestamp:

05/06/05 01:39:32 (19 years ago)

Author:

mattausch

Message:

 

File:

• trunk/VUT/GtpVisibility/include/OcclusionQuery.h (modified) (1 diff)

trunk/VUT/GtpVisibility/include/OcclusionQuery.h

@@ -9 +9 @@
 {
 public:
-//      OcclusionQuery();
         virtual ~OcclusionQuery() {};
         /** Returns the result of an occlusion query in terms of visible pixels.
-                @returns number of visible pixels
+                @param queryResult the number of visible pixels if the result was available
+                @param waitForResult if we should wait for the result until available
+                @returns if the result was already available
         */
-        virtual unsigned int GetQueryResult() const = 0;
-        /** Returns true if the result of the query is available, false otherwise.
-                @returns if result is available
-        */
-        virtual bool ResultAvailable() const = 0;
+        virtual bool GetQueryResult(unsigned int &queryResult, 
+                const bool waitForResult) const = 0;
         /** Begins occlusion query.
                 @remark the query counts the number of visible pixels between it's begin and end