Implement GL_EXT_occlusion_query_boolean on OSX

gpu/command_buffer/service/query_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_QUERY_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_QUERY_MANAGER_H_
 
 #include <deque>
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 
 class CommonDecoder;
 
 namespace gles2 {
 
+class FeatureInfo;
+
 // This class keeps track of the queries and their state
 // As Queries are not shared there is one QueryManager per context.
 class GPU_EXPORT QueryManager {
  public:
   class GPU_EXPORT Query : public base::RefCounted<Query> {
    public:
     typedef scoped_refptr<Query> Ref;
 
     Query(
        QueryManager* manager, GLenum target, int32 shm_id, uint32 shm_offset);
@@ skipping 89 matching lines @@
 
     // True if in the queue.
     bool pending_;
 
     // True if deleted.
     bool deleted_;
   };
 
   QueryManager(
       CommonDecoder* decoder,
-      bool use_arb_occlusion_query2_for_occlusion_query_boolean);
+      FeatureInfo* feature_info);
   ~QueryManager();
 
   // Must call before destruction.
   void Destroy(bool have_context);
 
   // Creates a Query for the given query.
   Query* CreateQuery(
       GLenum target, GLuint client_id, int32 shm_id, uint32 shm_offset);
 
   // Gets the query info for the given query.
@@ skipping 25 matching lines @@
   void EndQueryHelper(GLenum target);
 
   // Adds to queue of queries waiting for completion.
   // Returns false if any query is pointing to invalid shared memory.
   bool AddPendingQuery(Query* query, uint32 submit_count);
 
   // Removes a query from the queue of pending queries.
   // Returns false if any query is pointing to invalid shared memory.
   bool RemovePendingQuery(Query* query);
 
+  // Returns a target used for the underlying GL extension
+  // used to emulate a query.
+  GLenum AdjustTargetForEmulation(GLenum target);
+
   // Used to validate shared memory.
   CommonDecoder* decoder_;
 
   bool use_arb_occlusion_query2_for_occlusion_query_boolean_;
+  bool use_arb_occlusion_query_for_occlusion_query_boolean_;
 
   // Counts the number of Queries allocated with 'this' as their manager.
   // Allows checking no Query will outlive this.
   unsigned query_count_;
 
   // Info for each query in the system.
   typedef base::hash_map<GLuint, Query::Ref> QueryMap;
   QueryMap queries_;
 
   // Queries waiting for completion.
   typedef std::deque<Query::Ref> QueryQueue;
   QueryQueue pending_queries_;
 
   DISALLOW_COPY_AND_ASSIGN(QueryManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_QUERY_MANAGER_H_