1 files changed, 125 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/hwc2/hwc_tonemapper.h b/msm8909/sdm/libs/hwc2/hwc_tonemapper.h
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+++ b/msm8909/sdm/libs/hwc2/hwc_tonemapper.h
@@ -0,0 +1,125 @@
+/*
+* 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 <utils/sync_task.h>
+#include <vector>
+#include "hwc_buffer_sync_handler.h"
+#include "hwc_buffer_allocator.h"
+
+class Tonemapper;
+
+namespace sdm {
+
+enum class ToneMapTaskCode : int32_t {
+  kCodeGetInstance,
+  kCodeBlit,
+  kCodeDestroy,
+};
+
+struct ToneMapGetInstanceContext : public SyncTask<ToneMapTaskCode>::TaskContext {
+  Layer *layer = nullptr;
+};
+
+struct ToneMapBlitContext : public SyncTask<ToneMapTaskCode>::TaskContext {
+  Layer *layer = nullptr;
+  int merged_fd = -1;
+  int fence_fd = -1;
+};
+
+struct ToneMapConfig {
+  int type = 0;
+  ColorPrimaries colorPrimaries = ColorPrimaries_Max;
+  GammaTransfer transfer = Transfer_Max;
+  LayerBufferFormat format = kFormatRGBA8888;
+  bool secure = false;
+};
+
+class ToneMapSession : public SyncTask<ToneMapTaskCode>::TaskHandler {
+ 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);
+
+  // TaskHandler methods implementation.
+  virtual void OnTask(const ToneMapTaskCode &task_code,
+                      SyncTask<ToneMapTaskCode>::TaskContext *task_context);
+
+  static const uint8_t kNumIntermediateBuffers = 2;
+  SyncTask<ToneMapTaskCode> tone_map_task_;
+  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;
+  int fb_session_index_ = -1;
+};
+
+}  // namespace sdm
+#endif  // __HWC_TONEMAPPER_H__