Add hooks for GL_EXT_debug_marker in gpu

src/gpu/gl/GrGLInterface.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLExtensions.h"
 #include "gl/GrGLUtil.h"
 
 #include <stdio.h>
 
 #if GR_GL_PER_GL_FUNC_CALLBACK
 namespace {
 void GrGLDefaultInterfaceCallback(const GrGLInterface*) {}
 }
 #endif
 
+const GrGLInterface* GrGLInterfaceAddTestDebugMarker(const GrGLInterface* interface,
+                                                     GrGLInsertEventMarkerProc insertEventMarkerFn,
+                                                     GrGLPushGroupMarkerProc pushGroupMarkerFn,
+                                                     GrGLPopGroupMarkerProc popGroupMarkerFn) {
+    GrGLInterface* newInterface = GrGLInterface::NewClone(interface);
+
+    if (!newInterface->fExtensions.has("GL_EXT_debug_marker")) {
+        newInterface->fExtensions.add("GL_EXT_debug_marker");
+    }
+
+    newInterface->fInsertEventMarker = insertEventMarkerFn;
+    newInterface->fPushGroupMarker = pushGroupMarkerFn;
+    newInterface->fPopGroupMarker = popGroupMarkerFn;
+
+    return newInterface;
+}
+
 const GrGLInterface* GrGLInterfaceRemoveNVPR(const GrGLInterface* interface) {
     GrGLInterface* newInterface = GrGLInterface::NewClone(interface);
 
     newInterface->fExtensions.remove("GL_NV_path_rendering");
 
     newInterface->fPathCommands = NULL;
     newInterface->fPathCoords = NULL;
     newInterface->fPathSubCommands = NULL;
     newInterface->fPathSubCoords = NULL;
     newInterface->fPathString = NULL;
@@ skipping 119 matching lines @@
     , fGetQueryiv(&fFunctions.fGetQueryiv)
     , fGetProgramInfoLog(&fFunctions.fGetProgramInfoLog)
     , fGetProgramiv(&fFunctions.fGetProgramiv)
     , fGetRenderbufferParameteriv(&fFunctions.fGetRenderbufferParameteriv)
     , fGetShaderInfoLog(&fFunctions.fGetShaderInfoLog)
     , fGetShaderiv(&fFunctions.fGetShaderiv)
     , fGetString(&fFunctions.fGetString)
     , fGetStringi(&fFunctions.fGetStringi)
     , fGetTexLevelParameteriv(&fFunctions.fGetTexLevelParameteriv)
     , fGetUniformLocation(&fFunctions.fGetUniformLocation)
+    , fInsertEventMarker(&fFunctions.fInsertEventMarker)
     , fLineWidth(&fFunctions.fLineWidth)
     , fLinkProgram(&fFunctions.fLinkProgram)
     , fLoadIdentity(&fFunctions.fLoadIdentity)
     , fLoadMatrixf(&fFunctions.fLoadMatrixf)
     , fMapBuffer(&fFunctions.fMapBuffer)
     , fMatrixMode(&fFunctions.fMatrixMode)
     , fPixelStorei(&fFunctions.fPixelStorei)
+    , fPopGroupMarker(&fFunctions.fPopGroupMarker)
+    , fPushGroupMarker(&fFunctions.fPushGroupMarker)
     , fQueryCounter(&fFunctions.fQueryCounter)
     , fReadBuffer(&fFunctions.fReadBuffer)
     , fReadPixels(&fFunctions.fReadPixels)
     , fRenderbufferStorage(&fFunctions.fRenderbufferStorage)
     , fRenderbufferStorageMultisampleES2EXT(&fFunctions.fRenderbufferStorageMultisampleES2EXT)
     , fRenderbufferStorageMultisampleES2APPLE(&fFunctions.fRenderbufferStorageMultisampleES2APPLE)
     , fRenderbufferStorageMultisample(&fFunctions.fRenderbufferStorageMultisample)
     , fBindUniformLocation(&fFunctions.fBindUniformLocation)
     , fResolveMultisampleFramebuffer(&fFunctions.fResolveMultisampleFramebuffer)
     , fScissor(&fFunctions.fScissor)
@@ skipping 471 matching lines @@
         }
     } else {
         if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_OES_vertex_array_object")) {
             if (NULL == fFunctions.fBindVertexArray ||
                 NULL == fFunctions.fDeleteVertexArrays ||
                 NULL == fFunctions.fGenVertexArrays) {
                 return false;
             }
         }
     }
+
+#if 0
+    if (fExtensions.has("GL_EXT_debug_marker")) {
+        if (NULL == fFunctions.fInsertEventMarker ||
+            NULL == fFunctions.fPushGroupMarker ||
+            NULL == fFunctions.fPopGroupMarker) {
+            return false;
+        }
+    }
+#endif
     return true;
 }