Add IsPath to GrGLInterface

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"
@@ skipping 27 matching lines @@
 const GrGLInterface* GrGLInterfaceRemoveNVPR(const GrGLInterface* interface) {
     GrGLInterface* newInterface = GrGLInterface::NewClone(interface);
 
     newInterface->fExtensions.remove("GL_NV_path_rendering");
     newInterface->fFunctions.fPathCommands = NULL;
     newInterface->fFunctions.fPathCoords = NULL;
     newInterface->fFunctions.fPathParameteri = NULL;
     newInterface->fFunctions.fPathParameterf = NULL;
     newInterface->fFunctions.fGenPaths = NULL;
     newInterface->fFunctions.fDeletePaths = NULL;
+    newInterface->fFunctions.fIsPath = NULL;
     newInterface->fFunctions.fPathStencilFunc = NULL;
     newInterface->fFunctions.fStencilFillPath = NULL;
     newInterface->fFunctions.fStencilStrokePath = NULL;
     newInterface->fFunctions.fStencilFillPathInstanced = NULL;
     newInterface->fFunctions.fStencilStrokePathInstanced = NULL;
     newInterface->fFunctions.fPathTexGen = NULL;
     newInterface->fFunctions.fCoverFillPath = NULL;
     newInterface->fFunctions.fCoverStrokePath = NULL;
     newInterface->fFunctions.fCoverFillPathInstanced = NULL;
     newInterface->fFunctions.fCoverStrokePathInstanced = NULL;
@@ skipping 392 matching lines @@
         }
     }
 
     if (fExtensions.has("GL_NV_path_rendering")) {
         if (NULL == fFunctions.fPathCommands ||
             NULL == fFunctions.fPathCoords ||
             NULL == fFunctions.fPathParameteri ||
             NULL == fFunctions.fPathParameterf ||
             NULL == fFunctions.fGenPaths ||
             NULL == fFunctions.fDeletePaths ||
+            NULL == fFunctions.fIsPath ||
             NULL == fFunctions.fPathStencilFunc ||
             NULL == fFunctions.fStencilFillPath ||
             NULL == fFunctions.fStencilStrokePath ||
             NULL == fFunctions.fStencilFillPathInstanced ||
             NULL == fFunctions.fStencilStrokePathInstanced ||
             NULL == fFunctions.fCoverFillPath ||
             NULL == fFunctions.fCoverStrokePath ||
             NULL == fFunctions.fCoverFillPathInstanced ||
             NULL == fFunctions.fCoverStrokePathInstanced) {
             RETURN_FALSE_INTERFACE
         }
         // Currently ProgramPathFragmentInputGen is not used on
         // OpenGL, rather PathTexGen is.
         if ((kGL_GrGLStandard == fStandard && NULL == fFunctions.fPathTexGen) ||
             (kGLES_GrGLStandard == fStandard && NULL == fFunctions.fProgramPathFragmentInputGen)) {
             RETURN_FALSE_INTERFACE
         }
     }
 
     return true;
 }