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+/*
+* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following
+* disclaimer in the documentation and/or other materials provided
+* with the distribution.
+* * Neither the name of The Linux Foundation nor the names of its
+* contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*! @file blit_engine.h
+ @brief Interface file for Blit based compositior.
+
+ @details The client can use this interface to get the blit composition done
+
+*/
+
+#ifndef __BLIT_ENGINE_H__
+#define __BLIT_ENGINE_H__
+
+namespace sdm {
+
+/*! @brief Blit Engine implemented by the client
+
+ @details This class declares prototype for BlitEngine Interface which must be
+ implemented by the client. HWC will use this interface to use a Blit engine to get the
+ composition done.
+
+*/
+class BlitEngine {
+ public:
+ BlitEngine() { }
+ virtual ~BlitEngine() { }
+
+ virtual int Init() = 0;
+ virtual void DeInit() = 0;
+ virtual int Prepare(LayerStack *layer_stack) = 0;
+ virtual int PreCommit(hwc_display_contents_1_t *content_list, LayerStack *layer_stack) = 0;
+ virtual int Commit(hwc_display_contents_1_t *content_list, LayerStack *layer_stack) = 0;
+ virtual void PostCommit(LayerStack *layer_stack) = 0;
+ virtual bool BlitActive() = 0;
+ virtual void SetFrameDumpConfig(uint32_t count) = 0;
+};
+
+} // namespace sdm
+
+#endif // __BLIT_ENGINE_H__