Home | History | Annotate | Download | only in legacy
      1 #pragma once
      2 /*
      3  * Copyright (C) 2016 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 #include <vector>
     19 
     20 #include <hardware/gralloc.h>
     21 
     22 #include "guest/hals/gralloc/legacy/gralloc_vsoc_priv.h"
     23 
     24 #include "base_composer.h"
     25 #include "hwcomposer_common.h"
     26 
     27 namespace cvd {
     28 
     29 class VSoCComposer : public BaseComposer {
     30  public:
     31   VSoCComposer(int64_t vsync_base_timestamp, int32_t vsync_period_ns);
     32   ~VSoCComposer();
     33 
     34   // override
     35   int PrepareLayers(size_t num_layers, vsoc_hwc_layer* layers);
     36   // override
     37   int SetLayers(size_t num_layers, vsoc_hwc_layer* layers);
     38 
     39  protected:
     40   static const int kNumTmpBufferPieces;
     41   uint8_t* RotateTmpBuffer(unsigned int order);
     42   uint8_t* GetSpecialTmpBuffer(size_t needed_size);
     43   void CompositeLayer(vsoc_hwc_layer* src_layer, int32_t fb_offset);
     44   std::vector<uint8_t> tmp_buffer_;
     45   std::vector<uint8_t> special_tmp_buffer_;
     46 };
     47 
     48 }  // namespace cvd
     49