Decrease number of allowed stages for Angle on GLProgramTest

tests/GLProgramsTest.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.
  */
 
 // This is a GPU-backend specific test. It relies on static intializers to work
 
@@ skipping 342 matching lines @@
                 maxStages = 6;
             } else if (kTegra3_GrGLRenderer == gpu->ctxInfo().renderer() ||
                        kOther_GrGLRenderer == gpu->ctxInfo().renderer()) {
                 maxStages = 1;
             } else {
                 return;
             }
 #if SK_ANGLE
             // Some long shaders run out of temporary registers in the D3D compiler on ANGLE.
             if (type == GrContextFactory::kANGLE_GLContextType) {
-                maxStages = 3;
+                maxStages = 2;
             }
 #endif
             GrTestTarget target;
             context->getTestTarget(&target);
             REPORTER_ASSERT(reporter, target.target()->programUnitTest(maxStages));
         }
     }
 }
 
 #endif