xbmc/windowing/X11/GLContextEGL.h

   1 /*
   2  *  Copyright (C) 2005-2018 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 "GLContext.h"
  12 #include "threads/CriticalSection.h"
  13
  14 #include <cstdint>
  15
  16 #include "system_egl.h"
  17
  18 #include <EGL/eglext.h>
  19 #ifdef HAVE_EGLEXTANGLE
  20 #include <EGL/eglext_angle.h>
  21 #else
  22 #include <EGL/eglextchromium.h>
  23 #endif
  24 #include <X11/Xutil.h>
  25
  26 class CGLContextEGL : public CGLContext
  27 {
  28 public:
  29   explicit CGLContextEGL(Display *dpy, EGLint renderingApi);
  30   ~CGLContextEGL() override;
  31   bool Refresh(bool force, int screen, Window glWindow, bool &newContext) override;
  32   bool CreatePB() override;
  33   void Destroy() override;
  34   void Detach() override;
  35   void SetVSync(bool enable) override;
  36   void SwapBuffers() override;
  37   void QueryExtensions() override;
  38   uint64_t GetVblankTiming(uint64_t &msc, uint64_t &interval) override;
  39
  40   bool BindTextureUploadContext();
  41   bool UnbindTextureUploadContext();
  42   bool HasContext();
  43
  44   EGLint m_renderingApi;
  45   EGLDisplay m_eglDisplay = EGL_NO_DISPLAY;
  46   EGLSurface m_eglSurface = EGL_NO_SURFACE;
  47   EGLContext m_eglContext = EGL_NO_CONTEXT;
  48   EGLConfig m_eglConfig;
  49 protected:
  50   bool SuitableCheck(EGLDisplay eglDisplay, EGLConfig config);
  51   EGLConfig GetEGLConfig(EGLDisplay eglDisplay, XVisualInfo *vInfo);
  52   PFNEGLGETSYNCVALUESCHROMIUMPROC m_eglGetSyncValuesCHROMIUM = nullptr;
  53   PFNEGLGETPLATFORMDISPLAYEXTPROC m_eglGetPlatformDisplayEXT = nullptr;
  54
  55   struct Sync
  56   {
  57     uint64_t cont = 0;
  58     uint64_t ust1 = 0;
  59     uint64_t ust2 = 0;
  60     uint64_t msc1 = 0;
  61     uint64_t msc2 = 0;
  62     uint64_t interval = 0;
  63   } m_sync;
  64
  65   CCriticalSection m_syncLock;
  66
  67   bool m_usePB = false;
  68
  69   EGLContext m_eglUploadContext = EGL_NO_CONTEXT;
  70   mutable CCriticalSection m_textureUploadLock;
  71 };