Remove legacy NVPR support

src/gpu/gl/builders/GrGLProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramBuilder.h"
 
 #include "gl/GrGLGeometryProcessor.h"
@@ skipping 377 matching lines @@
     // verify we can get a program id
     GrGLuint programID;
     GL_CALL_RET(programID, CreateProgram());
     if (0 == programID) {
         return NULL;
     }
 
     // compile shaders and bind attributes / uniforms
     SkTDArray<GrGLuint> shadersToDelete;
 
-    // Legacy nvpr will not compile with a vertex shader, but newer nvpr requires a dummy vertex
-    // shader
+    if (!fVS.compileAndAttachShaders(programID, &shadersToDelete)) {
+        this->cleanupProgram(programID, shadersToDelete);
+        return NULL;
+    }
+
+    // NVPR actually requires a vertex shader to compile
     bool useNvpr = primitiveProcessor().isPathRendering();
-    if (!(useNvpr && fGpu->glCaps().nvprSupport() == GrGLCaps::kLegacy_NvprSupport)) {
-        if (!fVS.compileAndAttachShaders(programID, &shadersToDelete)) {
-            this->cleanupProgram(programID, shadersToDelete);
-            return NULL;
-        }
-
-        // Non fixed function NVPR actually requires a vertex shader to compile
-        if (!useNvpr) {
-            fVS.bindVertexAttributes(programID);
-        }
+    if (!useNvpr) {
+        fVS.bindVertexAttributes(programID);
     }
 
     if (!fFS.compileAndAttachShaders(programID, &shadersToDelete)) {
         this->cleanupProgram(programID, shadersToDelete);
         return NULL;
     }
 
     bool usingBindUniform = fGpu->glInterface()->fFunctions.fBindUniformLocation != NULL;
     if (usingBindUniform) {
         this->bindUniformLocations(programID);
@@ skipping 75 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() {
     int numProcs = fProcs.count();
     for (int e = 0; e < numProcs; ++e) {
         SkDELETE(fProcs[e]);
     }
 }