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 "cc/base/cc_export.h" 11 #include "cc/output/overlay_candidate.h" 12 13 namespace cc { 14 15 // This class that can be used to answer questions about possible overlay 16 // configurations for a particular output device. 17 class CC_EXPORT OverlayCandidateValidator { 18 public: 19 // A list of possible overlay candidates is presented to this function. 20 // The expected result is that those candidates that can be in a separate 21 // plane are marked with |overlay_handled| set to true, otherwise they are 22 // to be traditionally composited. 23 virtual void CheckOverlaySupport(OverlayCandidateList* surfaces) = 0; 24 25 virtual ~OverlayCandidateValidator() {} 26 }; 27 28 } // namespace cc 29 30 #endif // CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_ 31
