Adding 3D lut color filter

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 246 matching lines @@
             if (NULL == fFunctions.fGetQueryObjecti64v ||
                 NULL == fFunctions.fGetQueryObjectui64v) {
                 RETURN_FALSE_INTERFACE
             }
         }
         if (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_timer_query")) {
             if (NULL == fFunctions.fQueryCounter) {
                 RETURN_FALSE_INTERFACE
             }
         }
+        if (glVer >= GR_GL_VER(1,2)) {
+            if (NULL == fFunctions.fTexImage3D ||
+                NULL == fFunctions.fTexSubImage3D) {
+                RETURN_FALSE_INTERFACE
+            }
+        }
     }
 
     // optional function on desktop before 1.3
     if (kGL_GrGLStandard != fStandard ||
         (glVer >= GR_GL_VER(1,3)) ||
         fExtensions.has("GL_ARB_texture_compression")) {
         if (NULL == fFunctions.fCompressedTexImage2D
 #if 0
             || NULL == fFunctions.fCompressedTexSubImage2D
 #endif
@@ skipping 211 matching lines @@
                 NULL == fFunctions.fStencilThenCoverStrokePathInstanced ||
                 NULL == fFunctions.fProgramPathFragmentInputGen ||
                 NULL == fFunctions.fPathMemoryGlyphIndexArray) {
                 RETURN_FALSE_INTERFACE
             }
         }
     }
 
     return true;
 }