WebKit support for EXT_occlusion_query.

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

 // 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.
 
 #include "webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 1538 matching lines @@
     getGraphicsResetStatusARB() {
   return context_lost_reason_;
 }
 
 DELEGATE_TO_GL_5(texImageIOSurface2DCHROMIUM, TexImageIOSurface2DCHROMIUM,
                  WGC3Denum, WGC3Dint, WGC3Dint, WGC3Duint, WGC3Duint)
 
 DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT,
                  WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint)
 
+WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createQueryEXT() {
+  GLuint o;
+  gl_->GenQueriesEXT(1, &o);
+  return o;
+}
+
+void WebGraphicsContext3DInProcessCommandBufferImpl::
+    deleteQueryEXT(WebGLId query) {
+  gl_->DeleteQueriesEXT(1, &query);
+}
+
+DELEGATE_TO_GL_1R(isQueryEXT, IsQueryEXT, WebGLId, WGC3Dboolean)
+DELEGATE_TO_GL_2(beginQueryEXT, BeginQueryEXT, WGC3Denum, WebGLId)
+DELEGATE_TO_GL_1(endQueryEXT, EndQueryEXT, WGC3Denum)
+DELEGATE_TO_GL_3(getQueryivEXT, GetQueryivEXT, WGC3Denum, WGC3Denum, WGC3Dint*)
+DELEGATE_TO_GL_3(getQueryObjectuivEXT, GetQueryObjectuivEXT,
+                 WebGLId, WGC3Denum, WGC3Duint*)
+
 #if WEBKIT_USING_SKIA
 GrGLInterface* WebGraphicsContext3DInProcessCommandBufferImpl::
     onCreateGrGLInterface() {
   return webkit_glue::CreateCommandBufferSkiaGLBinding();
 }
 #endif
 
 void WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost() {
   // TODO(kbr): improve the precision here.
   context_lost_reason_ = GL_UNKNOWN_CONTEXT_RESET_ARB;
   if (context_lost_callback_) {
     context_lost_callback_->onContextLost();
   }
 }
 
 }  // namespace gpu
 }  // namespace webkit