Limit clear as draw workaround to Adreno 3xx.

src/gpu/gl/GrGLUtil.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.
  */
 
 
 #include "GrGLUtil.h"
 #include "SkMatrix.h"
@@ skipping 196 matching lines @@
         int lastDigit;
         int n = sscanf(rendererString, "PowerVR SGX 54%d", &lastDigit);
         if (1 == n && lastDigit >= 0 && lastDigit <= 9) {
             return kPowerVR54x_GrGLRenderer;
         }
         static const char kPowerVRRogueStr[] = "PowerVR Rogue";
         if (0 == strncmp(rendererString, kPowerVRRogueStr,
                          SK_ARRAY_COUNT(kPowerVRRogueStr)-1)) {
             return kPowerVRRogue_GrGLRenderer;
         }
+        int adrenoNumber;
+        n = sscanf(rendererString, "Adreno (TM) %d", &adrenoNumber);
+        if (1 == n) {
+            if (adrenoNumber >= 300) {
+                if (adrenoNumber < 400) {
+                    return kAdreno3xx_GrGLRenderer;
+                }
+                if (adrenoNumber < 500) {
+                    return kAdreno4xx_GrGLRenderer;
+                }
+            }
+        }
     }
     return kOther_GrGLRenderer;
 }
 
 GrGLVersion GrGLGetVersion(const GrGLInterface* gl) {
     const GrGLubyte* v;
     GR_GL_CALL_RET(gl, v, GetString(GR_GL_VERSION));
     return GrGLGetVersionFromString((const char*) v);
 }
 
@@ skipping 75 matching lines @@
     GR_STATIC_ASSERT(2 == kGreater_StencilFunc);
     GR_STATIC_ASSERT(3 == kGEqual_StencilFunc);
     GR_STATIC_ASSERT(4 == kLess_StencilFunc);
     GR_STATIC_ASSERT(5 == kLEqual_StencilFunc);
     GR_STATIC_ASSERT(6 == kEqual_StencilFunc);
     GR_STATIC_ASSERT(7 == kNotEqual_StencilFunc);
     SkASSERT((unsigned) basicFunc < kBasicStencilFuncCount);
 
     return gTable[basicFunc];
 }