cc: custom bilinear filtering for YUV quad.

cc/output/gl_renderer_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/gl_renderer.h"
 
 #include <stdint.h>
 
 #include <set>
 #include <vector>
@@ skipping 817 matching lines @@
   // created in AppendOneOfEveryQuadType().
   Mock::VerifyAndClearExpectations(context);
   {
     InSequence sequence;
 
     // The sync points for all quads are waited on first. This sync point is
     // for a texture quad drawn later in the frame.
     EXPECT_CALL(*context, waitSyncToken(MatchesSyncToken(mailbox_sync_token)))
         .Times(1);
 
-    // yuv_quad is drawn with the default linear filter.
+    // yuv_quad is drawn with GL_NEAREST for 4 planes.
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                                        GL_NEAREST));
+    EXPECT_CALL(*context, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                                        GL_NEAREST));
     EXPECT_CALL(*context, drawElements(_, _, _, _));
 
     // tile_quad is drawn with GL_NEAREST because it is not transformed or
     // scaled.
     EXPECT_CALL(
         *context,
         texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
     EXPECT_CALL(
         *context,
         texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
@@ skipping 1115 matching lines @@
   renderer_->SetVisible(true);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 
   EXPECT_CALL(*context_support_ptr_, SetAggressivelyFreeResources(true));
   renderer_->SetVisible(false);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 }
 
 }  // namespace
 }  // namespace cc