Increase GrGpuGL's program cache size

src/gpu/gl/GrGpuGL.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGpuGL_DEFINED
 #define GrGpuGL_DEFINED
 
@@ skipping 181 matching lines @@
 
         void abandon();
         GrGLProgram* getProgram(const GrGLProgramDesc& desc,
                                 const GrEffectStage* colorStages[],
                                 const GrEffectStage* coverageStages[]);
 
     private:
         enum {
             // We may actually have kMaxEntries+1 shaders in the GL context because we create a new
             // shader before evicting from the cache.
-            kMaxEntries = 32,
+            kMaxEntries = 128,
             kHashBits = 6,
         };
 
         struct Entry;
 
         struct ProgDescLess;
 
         // binary search for entry matching desc. returns index into fEntries that matches desc or ~
         // of the index of where it should be inserted.
         int search(const GrGLProgramDesc& desc) const;
@@ skipping 241 matching lines @@
     ///@}
 
     // we record what stencil format worked last time to hopefully exit early
     // from our loop that tries stencil formats and calls check fb status.
     int fLastSuccessfulStencilFmtIdx;
 
     typedef GrGpu INHERITED;
 };
 
 #endif