Implement NVPR on GLES

src/gpu/gl/GrGLCaps.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLCaps.h"
 #include "GrGLContext.h"
@@ skipping 324 matching lines @@
             // additions are detected by checking the existence of the function. Eventually we may
             // choose to remove the fixed function codepath.
             // Set fMaxFixedFunctionTextureCoords = 0 here if you want to force
             // ProgramPathFragmentInputGen usage on desktop.
             fPathRenderingSupport = ctxInfo.hasExtension("GL_EXT_direct_state_access") &&
                 (fMaxFixedFunctionTextureCoords > 0 ||
                  ((ctxInfo.version() >= GR_GL_VER(4,3) ||
                    ctxInfo.hasExtension("GL_ARB_program_interface_query")) &&
                   NULL != gli->fFunctions.fProgramPathFragmentInputGen));
         } else {
-            // Note: path rendering is not yet implemented for GLES.
-            fPathRenderingSupport = ctxInfo.version() >= GR_GL_VER(3,1) && false;
+            fPathRenderingSupport = ctxInfo.version() >= GR_GL_VER(3,1);
         }
     }
 
     fGpuTracingSupport = ctxInfo.hasExtension("GL_EXT_debug_marker");
 
     // For now these two are equivalent but we could have dst read in shader via some other method
     fDstReadInShaderSupport = fFBFetchSupport;
 
     // Disable scratch texture reuse on Mali and Adreno devices
     fReuseScratchTextures = kARM_GrGLVendor != ctxInfo.vendor() &&
@@ skipping 483 matching lines @@
     r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO"));
     r.appendf("Fragment coord conventions support: %s\n",
              (fFragCoordsConventionSupport ? "YES": "NO"));
     r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO"));
     r.appendf("Use non-VBO for dynamic data: %s\n",
              (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO"));
     r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO"));
     r.appendf("Drops tile on zero divide: %s\n", (fDropsTileOnZeroDivide ? "YES" : "NO"));
     return r;
 }