Recognize that ES3 supports texture storage. Add workaround for apparent Adreno bug.

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 141 matching lines @@
         fUnpackFlipYSupport = ctxInfo.hasExtension("GL_CHROMIUM_flipy");
         fPackRowLengthSupport = version >= GR_GL_VER(3,0) ||
                                 ctxInfo.hasExtension("GL_NV_pack_subimage");
         fPackFlipYSupport =
             ctxInfo.hasExtension("GL_ANGLE_pack_reverse_row_order");
     }
 
     fTextureUsageSupport = (kES_GrGLBinding == binding) &&
                             ctxInfo.hasExtension("GL_ANGLE_texture_usage");
 
-    // Tex storage is in desktop 4.2 and can be an extension to desktop or ES.
-    fTexStorageSupport = (kDesktop_GrGLBinding == binding &&
-                          version >= GR_GL_VER(4,2)) ||
-                         ctxInfo.hasExtension("GL_ARB_texture_storage") ||
-                         ctxInfo.hasExtension("GL_EXT_texture_storage");
+    if (kDesktop_GrGLBinding == binding) {
+        // The EXT version can apply to either GL or GLES.
+        fTexStorageSupport = version >= GR_GL_VER(4,2) ||
+                             ctxInfo.hasExtension("GL_ARB_texture_storage") ||
+                             ctxInfo.hasExtension("GL_EXT_texture_storage");
+    } else {
+        // Qualcomm Adreno drivers appear to have issues with texture storage.
+        fTexStorageSupport = (version >= GR_GL_VER(3,0) &&
+                              kQualcomm_GrGLVendor != ctxInfo.vendor()) ||
+                             ctxInfo.hasExtension("GL_EXT_texture_storage");
+    }
 
     // ARB_texture_rg is part of OpenGL 3.0, but mesa doesn't support it if
     // it doesn't have ARB_texture_rg extension.
     if (kDesktop_GrGLBinding == binding) {
         if (ctxInfo.isMesa()) {
             fTextureRedSupport = ctxInfo.hasExtension("GL_ARB_texture_rg");
         } else {
             fTextureRedSupport = version >= GR_GL_VER(3,0) ||
                                  ctxInfo.hasExtension("GL_ARB_texture_rg");
         }
@@ skipping 417 matching lines @@
     GrPrintf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO"));
     GrPrintf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO"));
     GrPrintf("Fragment coord conventions support: %s\n",
              (fFragCoordsConventionSupport ? "YES": "NO"));
     GrPrintf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO"));
     GrPrintf("Use non-VBO for dynamic data: %s\n",
              (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO"));
     GrPrintf("Core Profile: %s\n", (fIsCoreProfile ? "YES" : "NO"));
     GrPrintf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" : "NO"));
 }