1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_ 6 #define CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "cc/base/cc_export.h" 12 #include "cc/output/overlay_candidate.h" 13 #include "cc/resources/resource_format.h" 14 #include "ui/gfx/geometry/rect.h" 15 16 namespace cc { 17 18 // This class that can be used to answer questions about possible overlay 19 // configurations for a particular output device. 20 class CC_EXPORT OverlayCandidateValidator { 21 public: 22 // A list of possible overlay candidates is presented to this function. 23 // The expected result is that those candidates that can be in a separate 24 // plane are marked with |overlay_handled| set to true, otherwise they are 25 // to be traditionally composited. 26 virtual void CheckOverlaySupport(OverlayCandidateList* surfaces) = 0; 27 28 virtual ~OverlayCandidateValidator() {} 29 }; 30 31 } // namespace cc 32 33 #endif // CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_ 34
