Use EXT_direct_state_access for path matrix manipulation

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 210 matching lines @@
         NULL == fFunctions.fGetFramebufferAttachmentParameteriv ||
         NULL == fFunctions.fGetRenderbufferParameteriv ||
         NULL == fFunctions.fGenFramebuffers ||
         NULL == fFunctions.fGenRenderbuffers ||
         NULL == fFunctions.fRenderbufferStorage) {
         RETURN_FALSE_INTERFACE
     }
 
     GrGLVersion glVer = GrGLGetVersion(this);
 
-    bool isCoreProfile = false;
-    if (kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,2)) {
-        GrGLint profileMask;
-        GR_GL_GetIntegerv(this, GR_GL_CONTEXT_PROFILE_MASK, &profileMask);
-        isCoreProfile = SkToBool(profileMask & GR_GL_CONTEXT_CORE_PROFILE_BIT);
-    }
-
     // Now check that baseline ES/Desktop fns not covered above are present
     // and that we have fn pointers for any advertised fExtensions that we will
     // try to use.
 
     // these functions are part of ES2, we assume they are available
     // On the desktop we assume they are available if the extension
     // is present or GL version is high enough.
     if (kGLES_GrGLStandard == fStandard) {
         if (NULL == fFunctions.fStencilFuncSeparate ||
             NULL == fFunctions.fStencilMaskSeparate ||
@@ skipping 35 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 (!isCoreProfile) {
-            if (NULL == fFunctions.fLoadIdentity ||
-                NULL == fFunctions.fLoadMatrixf ||
-                NULL == fFunctions.fMatrixMode) {
+        if (fExtensions.has("GL_EXT_direct_state_access")) {
+            if (NULL == fFunctions.fMatrixLoadf ||
+                NULL == fFunctions.fMatrixLoadIdentity) {
                 RETURN_FALSE_INTERFACE
             }
         }
         if (fExtensions.has("GL_NV_path_rendering")) {
             if (NULL == fFunctions.fPathCommands ||
                 NULL == fFunctions.fPathCoords ||
                 NULL == fFunctions.fPathSubCommands ||
                 NULL == fFunctions.fPathSubCoords ||
                 NULL == fFunctions.fPathString ||
                 NULL == fFunctions.fPathGlyphs ||
@@ skipping 201 matching lines @@
             NULL == fFunctions.fMapTexSubImage2D ||
             NULL == fFunctions.fUnmapBufferSubData ||
             NULL == fFunctions.fUnmapTexSubImage2D) {
             RETURN_FALSE_INTERFACE;
         }
     }
 #endif
 
     return true;
 }