1 /* 2 * Copyright (c) 2016 - 2017, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __HWC_TONEMAPPER_H__ 31 #define __HWC_TONEMAPPER_H__ 32 33 #include <fcntl.h> 34 #include <sys/mman.h> 35 36 #include <hardware/hwcomposer.h> 37 38 #include <core/layer_stack.h> 39 #include <utils/sys.h> 40 #include <vector> 41 #include "hwc_buffer_sync_handler.h" 42 #include "hwc_buffer_allocator.h" 43 44 class Tonemapper; 45 46 namespace sdm { 47 48 struct ToneMapConfig { 49 int type = 0; 50 ColorPrimaries colorPrimaries = ColorPrimaries_Max; 51 GammaTransfer transfer = Transfer_Max; 52 LayerBufferFormat format = kFormatRGBA8888; 53 bool secure = false; 54 }; 55 56 class ToneMapSession { 57 public: 58 ~ToneMapSession(); 59 DisplayError AllocateIntermediateBuffers(int width, int height, int format, int usage); 60 void FreeIntermediateBuffers(); 61 void UpdateBuffer(int acquire_fence, LayerBuffer *buffer); 62 void SetReleaseFence(int fd); 63 void SetToneMapConfig(Layer *layer); 64 bool IsSameToneMapConfig(Layer *layer); 65 66 static const uint8_t kNumIntermediateBuffers = 2; 67 Tonemapper *gpu_tone_mapper_ = NULL; 68 ToneMapConfig tone_map_config_ = {}; 69 uint8_t current_buffer_index_ = 0; 70 private_handle_t *intermediate_buffer_[kNumIntermediateBuffers] = {NULL, NULL}; 71 int release_fence_fd_[kNumIntermediateBuffers] = {-1, -1}; 72 bool acquired_ = false; 73 int layer_index_ = -1; 74 }; 75 76 class HWCToneMapper { 77 public: HWCToneMapper()78 HWCToneMapper() {} ~HWCToneMapper()79 ~HWCToneMapper() {} 80 81 int HandleToneMap(hwc_display_contents_1_t *content_list, LayerStack *layer_stack); IsActive()82 bool IsActive() { return !tone_map_sessions_.empty(); } 83 void PostCommit(LayerStack *layer_stack); 84 void SetFrameDumpConfig(uint32_t count); 85 void Terminate(); 86 87 private: 88 void ToneMap(hwc_layer_1_t *hwc_layer, Layer *layer, ToneMapSession *session); 89 DisplayError AcquireToneMapSession(Layer *layer, uint32_t *session_index); 90 void DumpToneMapOutput(ToneMapSession *session, int *acquire_fence); 91 92 std::vector<ToneMapSession*> tone_map_sessions_; 93 HWCBufferSyncHandler buffer_sync_handler_ = {}; 94 HWCBufferAllocator buffer_allocator_ = {}; 95 uint32_t dump_frame_count_ = 0; 96 uint32_t dump_frame_index_ = 0; 97 uint32_t fb_session_index_ = 0; 98 }; 99 100 } // namespace sdm 101 #endif // __HWC_TONEMAPPER_H__ 102