xbmc/utils/EGLFence.h

   1 /*
   2  *  Copyright (C) 2017-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "system_egl.h"
  12
  13 #include <EGL/eglext.h>
  14
  15 namespace KODI
  16 {
  17 namespace UTILS
  18 {
  19 namespace EGL
  20 {
  21
  22 class CEGLFence
  23 {
  24 public:
  25   explicit CEGLFence(EGLDisplay display);
  26   CEGLFence(CEGLFence const& other) = delete;
  27   CEGLFence& operator=(CEGLFence const& other) = delete;
  28
  29   void CreateFence();
  30   void DestroyFence();
  31   bool IsSignaled();
  32
  33 #if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
  34   void CreateKMSFence(int fd);
  35   void CreateGPUFence();
  36   EGLint FlushFence();
  37   void WaitSyncGPU();
  38   void WaitSyncCPU();
  39 #endif
  40
  41 private:
  42   EGLDisplay m_display{nullptr};
  43   EGLSyncKHR m_fence{nullptr};
  44
  45   PFNEGLCREATESYNCKHRPROC m_eglCreateSyncKHR{nullptr};
  46   PFNEGLDESTROYSYNCKHRPROC m_eglDestroySyncKHR{nullptr};
  47   PFNEGLGETSYNCATTRIBKHRPROC m_eglGetSyncAttribKHR{nullptr};
  48
  49 #if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
  50   EGLSyncKHR CreateFence(int fd);
  51
  52   EGLSyncKHR m_gpuFence{EGL_NO_SYNC_KHR};
  53   EGLSyncKHR m_kmsFence{EGL_NO_SYNC_KHR};
  54
  55   PFNEGLDUPNATIVEFENCEFDANDROIDPROC m_eglDupNativeFenceFDANDROID{nullptr};
  56   PFNEGLCLIENTWAITSYNCKHRPROC m_eglClientWaitSyncKHR{nullptr};
  57   PFNEGLWAITSYNCKHRPROC m_eglWaitSyncKHR{nullptr};
  58 #endif
  59 };
  60
  61 }
  62 }
  63 }