| /* |
| * Copyright (c) 2016 - 2017, 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. |
| */ |
| |
| #ifndef __HWC_TONEMAPPER_H__ |
| #define __HWC_TONEMAPPER_H__ |
| |
| #include <fcntl.h> |
| #include <sys/mman.h> |
| |
| #include <hardware/hwcomposer.h> |
| |
| #include <core/layer_stack.h> |
| #include <utils/sys.h> |
| #include <vector> |
| #include "hwc_buffer_sync_handler.h" |
| #include "hwc_buffer_allocator.h" |
| |
| class Tonemapper; |
| |
| namespace sdm { |
| |
| struct ToneMapConfig { |
| int type = 0; |
| ColorPrimaries colorPrimaries = ColorPrimaries_Max; |
| GammaTransfer transfer = Transfer_Max; |
| LayerBufferFormat format = kFormatRGBA8888; |
| bool secure = false; |
| }; |
| |
| class ToneMapSession { |
| public: |
| explicit ToneMapSession(HWCBufferAllocator *buffer_allocator); |
| ~ToneMapSession(); |
| DisplayError AllocateIntermediateBuffers(const Layer *layer); |
| void FreeIntermediateBuffers(); |
| void UpdateBuffer(int acquire_fence, LayerBuffer *buffer); |
| void SetReleaseFence(int fd); |
| void SetToneMapConfig(Layer *layer); |
| bool IsSameToneMapConfig(Layer *layer); |
| |
| static const uint8_t kNumIntermediateBuffers = 2; |
| Tonemapper *gpu_tone_mapper_ = nullptr; |
| HWCBufferAllocator *buffer_allocator_ = nullptr; |
| ToneMapConfig tone_map_config_ = {}; |
| uint8_t current_buffer_index_ = 0; |
| std::vector<BufferInfo> buffer_info_ = {}; |
| int release_fence_fd_[kNumIntermediateBuffers] = {-1, -1}; |
| bool acquired_ = false; |
| int layer_index_ = -1; |
| }; |
| |
| class HWCToneMapper { |
| public: |
| explicit HWCToneMapper(HWCBufferAllocator *allocator) : buffer_allocator_(allocator) {} |
| ~HWCToneMapper() {} |
| |
| int HandleToneMap(LayerStack *layer_stack); |
| bool IsActive() { return !tone_map_sessions_.empty(); } |
| void PostCommit(LayerStack *layer_stack); |
| void SetFrameDumpConfig(uint32_t count); |
| void Terminate(); |
| |
| private: |
| void ToneMap(Layer *layer, ToneMapSession *session); |
| DisplayError AcquireToneMapSession(Layer *layer, uint32_t *session_index); |
| void DumpToneMapOutput(ToneMapSession *session, int *acquire_fence); |
| |
| std::vector<ToneMapSession*> tone_map_sessions_; |
| HWCBufferSyncHandler buffer_sync_handler_ = {}; |
| HWCBufferAllocator *buffer_allocator_ = nullptr; |
| uint32_t dump_frame_count_ = 0; |
| uint32_t dump_frame_index_ = 0; |
| uint32_t fb_session_index_ = 0; |
| }; |
| |
| } // namespace sdm |
| #endif // __HWC_TONEMAPPER_H__ |