Revert of Cleanup legacy NVPR-related definitions

src/gpu/gl/GrGLInterface.cpp

Index: src/gpu/gl/GrGLInterface.cpp
diff --git a/src/gpu/gl/GrGLInterface.cpp b/src/gpu/gl/GrGLInterface.cpp
index 3c8088005b9285a1ae7cb04abf8ee67aae98e2d9..3d44f6d602c6cfccbae19cee47fe08083c32798c 100644
--- a/src/gpu/gl/GrGLInterface.cpp
+++ b/src/gpu/gl/GrGLInterface.cpp
@@ -40,6 +40,7 @@
 
     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;
@@ -50,6 +51,7 @@
     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;
@@ -487,6 +489,7 @@
         if (NULL == fFunctions.fMatrixLoadf ||
             NULL == fFunctions.fMatrixLoadIdentity ||
             NULL == fFunctions.fPathCommands ||
+            NULL == fFunctions.fPathCoords ||
             NULL == fFunctions.fPathParameteri ||
             NULL == fFunctions.fPathParameterf ||
             NULL == fFunctions.fGenPaths ||
@@ -500,13 +503,23 @@
             NULL == fFunctions.fCoverFillPath ||
             NULL == fFunctions.fCoverStrokePath ||
             NULL == fFunctions.fCoverFillPathInstanced ||
-            NULL == fFunctions.fCoverStrokePathInstanced ||
-            NULL == fFunctions.fStencilThenCoverFillPath ||
-            NULL == fFunctions.fStencilThenCoverStrokePath ||
-            NULL == fFunctions.fStencilThenCoverFillPathInstanced ||
-            NULL == fFunctions.fStencilThenCoverStrokePathInstanced ||
-            NULL == fFunctions.fProgramPathFragmentInputGen) {
-            RETURN_FALSE_INTERFACE
+            NULL == fFunctions.fCoverStrokePathInstanced) {
+            RETURN_FALSE_INTERFACE
+        }
+        if (kGL_GrGLStandard == fStandard) {
+            // Some methods only exist on desktop
+            if (NULL == fFunctions.fPathTexGen) {
+                RETURN_FALSE_INTERFACE
+            }
+        } else {
+            // All additions through v1.3 exist on GLES
+            if (NULL == fFunctions.fStencilThenCoverFillPath ||
+                NULL == fFunctions.fStencilThenCoverStrokePath ||
+                NULL == fFunctions.fStencilThenCoverFillPathInstanced ||
+                NULL == fFunctions.fStencilThenCoverStrokePathInstanced ||
+                NULL == fFunctions.fProgramPathFragmentInputGen) {
+                RETURN_FALSE_INTERFACE
+            }
         }
     }