Add glTexGen funcs to interface

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 26 matching lines @@
 
     if (0 == (binding & fBindingsExported)) {
         return false;
     }
 
     GrGLExtensions extensions;
     if (!extensions.init(binding, this)) {
         return false;
     }
 
+    bool isCoreProfile = false;
+    if (kDesktop_GrGLBinding == binding) {
+        if (NULL == this->fGetIntegerv) {
+            return false;
+        }
+        GrGLint profileMask = 0;
+        fGetIntegerv(GR_GL_CONTEXT_PROFILE_MASK, &profileMask);
+        isCoreProfile = SkToBool(profileMask & GR_GL_CONTEXT_CORE_PROFILE_BIT);
+    }
+
     // functions that are always required
     if (NULL == fActiveTexture ||
         NULL == fAttachShader ||
         NULL == fBindAttribLocation ||
         NULL == fBindBuffer ||
         NULL == fBindTexture ||
         NULL == fBlendFunc ||
         NULL == fBlendColor ||      // -> GL >= 1.4, ES >= 2.0 or extension
         NULL == fBufferData ||
         NULL == fBufferSubData ||
@@ skipping 134 matching lines @@
             if (NULL == fGetQueryObjecti64v ||
                 NULL == fGetQueryObjectui64v) {
                 return false;
             }
         }
         if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
             if (NULL == fQueryCounter) {
                 return false;
             }
         }
-        // The below two blocks are checks for functions used with
-        // GL_NV_path_rendering. We're not enforcing that they be non-NULL
-        // because they aren't actually called at this time.
-        if (false &&
-            (NULL == fMatrixMode ||
-             NULL == fLoadIdentity ||
-             NULL == fLoadMatrixf)) {
-            return false;
+        if (!isCoreProfile) {
+            if (NULL == fClientActiveTexture ||
+                NULL == fDisableClientState ||
+                NULL == fEnableClientState ||
+                NULL == fLoadIdentity ||
+                NULL == fLoadMatrixf ||
+                NULL == fMatrixMode ||
+                NULL == fTexGenf ||
+                NULL == fTexGenfv ||
+                NULL == fTexGeni ||
+                NULL == fVertexPointer) {
+                return false;
+            }
         }
         if (false && extensions.has("GL_NV_path_rendering")) {
             if (NULL == fPathCommands ||
                 NULL == fPathCoords ||
                 NULL == fPathSubCommands ||
                 NULL == fPathSubCoords ||
                 NULL == fPathString ||
                 NULL == fPathGlyphs ||
                 NULL == fPathGlyphRange ||
                 NULL == fWeightPaths ||
@@ skipping 163 matching lines @@
             if (NULL == fBindVertexArray ||
                 NULL == fDeleteVertexArrays ||
                 NULL == fGenVertexArrays) {
                 return false;
             }
         }
     }
 
     return true;
 }