Implement support for mixed sampled render targets

tests/ResourceCacheTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // Include here to ensure SK_SUPPORT_GPU is set correctly before it is examined.
 #include "SkTypes.h"
 
@@ skipping 138 matching lines @@
         REPORTER_ASSERT(reporter,
                         smallMSAART0 && smallMSAART1 &&
                         smallMSAART0->asRenderTarget() &&
                         smallMSAART1->asRenderTarget() &&
                         smallMSAART0->asRenderTarget()->renderTargetPriv().getStencilAttachment() ==
                         smallMSAART1->asRenderTarget()->renderTargetPriv().getStencilAttachment());
         // But not one with a larger sample count should not. (Also check that the request for 4
         // samples didn't get rounded up to >= 8 or else they could share.).
         if (context->caps()->maxSampleCount() >= 8 &&
             smallMSAART0 && smallMSAART0->asRenderTarget() &&
-            smallMSAART0->asRenderTarget()->numSamples() < 8) {
+            smallMSAART0->asRenderTarget()->numColorSamples() < 8) {
             smallMSAADesc.fSampleCnt = 8;
             smallMSAART1.reset(cache->createTexture(smallMSAADesc, false));
             SkAutoTUnref<GrTexture> smallMSAART1(cache->createTexture(smallMSAADesc, false));
             if (smallMSAART1 && smallMSAART1->asRenderTarget()) {
                 smallMSAART1->asRenderTarget()->renderTargetPriv().attachStencilAttachment();
             }
             REPORTER_ASSERT(reporter,
                         smallMSAART0 && smallMSAART1 &&
                         smallMSAART0->asRenderTarget() &&
                         smallMSAART1->asRenderTarget() &&
@@ skipping 1036 matching lines @@
     test_scratch_key_consistency(reporter);
     test_purge_invalidated(reporter);
     test_cache_chained_purge(reporter);
     test_resource_size_changed(reporter);
     test_timestamp_wrap(reporter);
     test_flush(reporter);
     test_large_resource_count(reporter);
 }
 
 #endif