sdm/libs/hwc2/hwc_color_manager.h

/* Copyright (c) 2015-2017, The Linux Foundataion. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
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*       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
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*/

#ifndef __HWC_COLOR_MANAGER_H__
#define __HWC_COLOR_MANAGER_H__

#include <stdlib.h>
#include <binder/Parcel.h>
#include <binder/BinderService.h>
#include <core/sdm_types.h>
#include <utils/locker.h>

namespace sdm {

// This macro defines name for display APIs interface wrapper library.
// This macro shall be used to load library using dlopen().
#define DISPLAY_API_INTERFACE_LIBRARY_NAME "libsdm-disp-vndapis.so"

// This macro defines variable name of display color APIs function tables
// This macro shall be used to specify name of the variable in dlsym().
#define DISPLAY_API_FUNC_TABLES "display_color_apis_ftables"
#define QDCM_DIAG_CLIENT_LIBRARY_NAME "libsdm-diag.so"
#define INIT_QDCM_DIAG_CLIENT_NAME "QDCMDiagInit"
#define DEINIT_QDCM_DIAG_CLIENT_NAME "QDCMDiagDeInit"

typedef int (*QDCMDiagInit)(void *ftables);

typedef int (*QDCMDiagDeInit)(void);

// Class to encapsulte all details of managing QDCM operating mode.
class HWCQDCMModeManager {
 public:
  static const uint32_t kSocketCMDMaxLength = 4096;
  static const uint32_t kFullWakeLock = 0x0000001a;
  static const uint32_t kAcquireCauseWakeup = 0x10000000;
  static const uint32_t kONAfterRelease = 0x20000000;
  enum ActiveFeatureID {
    kCABLFeature,
    kADFeature,
    kSVIFeature,
    kMaxNumActiveFeature,
  };

  struct ActiveFeatureCMD {
    const char *cmd_on = NULL;
    const char *cmd_off = NULL;
    const char *cmd_query_status = NULL;
    const char *running = NULL;
    ActiveFeatureCMD(const char *arg1, const char *arg2, const char *arg3, const char *arg4)
        : cmd_on(arg1), cmd_off(arg2), cmd_query_status(arg3), running(arg4) {}
  };

  static const ActiveFeatureCMD kActiveFeatureCMD[kMaxNumActiveFeature];

 public:
  static HWCQDCMModeManager *CreateQDCMModeMgr();
  ~HWCQDCMModeManager();
  int EnableQDCMMode(bool enable, HWCDisplay *hwc_display);

 protected:
  bool SendSocketCmd();
  int AcquireAndroidWakeLock(bool enable);
  int EnableActiveFeatures(bool enable);
  int EnableActiveFeatures(bool enable, const ActiveFeatureCMD &cmds, bool *was_running);

 private:
  bool cabl_was_running_ = false;
  int socket_fd_ = -1;
  android::sp<android::IBinder> wakelock_token_ = NULL;
  uint32_t entry_timeout_ = 0;
  static const char *const kSocketName;
  static const char *const kTagName;
  static const char *const kPackageName;
};

// Class to encapsulte all HWC/OS specific behaviours for ColorManager.
class HWCColorManager {
 public:
  static const int kNumSolidFillLayers = 2;
  static HWCColorManager *CreateColorManager(HWCBufferAllocator *buffer_allocator);
  static int CreatePayloadFromParcel(const android::Parcel &in, uint32_t *disp_id,
                                     PPDisplayAPIPayload *sink);
  static void MarshallStructIntoParcel(const PPDisplayAPIPayload &data,
                                       android::Parcel *out_parcel);

  explicit HWCColorManager(HWCBufferAllocator *buffer_allocator);
  ~HWCColorManager();
  void DestroyColorManager();
  int EnableQDCMMode(bool enable, HWCDisplay *hwc_display);
  int SetSolidFill(const void *params, bool enable, HWCDisplay *hwc_display);
  int SetFrameCapture(void *params, bool enable, HWCDisplay *hwc_display);
  int SetDetailedEnhancer(void *params, HWCDisplay *hwc_display);
  void SetColorModeDetailEnhancer(HWCDisplay *hwc_display);
  int SetHWDetailedEnhancerConfig(void *params, HWCDisplay *hwc_display);

 protected:
  int CreateSolidFillLayers(HWCDisplay *hwc_display);
  void DestroySolidFillLayers();
  static uint32_t Get8BitsARGBColorValue(const PPColorFillParams &params);

 private:
  DynLib color_apis_lib_;
  DynLib diag_client_lib_;
  void *color_apis_ = NULL;
  QDCMDiagInit qdcm_diag_init_ = NULL;
  QDCMDiagDeInit qdcm_diag_deinit_ = NULL;
  HWCQDCMModeManager *qdcm_mode_mgr_ = NULL;

  PPColorFillParams solid_fill_params_;
  HWCBufferAllocator *buffer_allocator_ = NULL;
  BufferInfo buffer_info;
  Locker locker_;
};

}  // namespace sdm

#endif  // __HWC_COLOR_MANAGER_H__