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/*
* 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__
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