Lakka-LibreELEC/projects/Allwinner/patches/kodi/000-temp-revert-fences.patch

diff --git a/xbmc/utils/EGLFence.cpp b/xbmc/utils/EGLFence.cpp
index 9d0065bdaf..535e3bce31 100644
--- a/xbmc/utils/EGLFence.cpp
+++ b/xbmc/utils/EGLFence.cpp
@@ -22,14 +22,6 @@ CEGLFence::CEGLFence(EGLDisplay display)
     m_eglGetSyncAttribKHR(
         CEGLUtils::GetRequiredProcAddress<PFNEGLGETSYNCATTRIBKHRPROC>("eglGetSyncAttribKHR"))
 {
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-  m_eglDupNativeFenceFDANDROID =
-      CEGLUtils::GetRequiredProcAddress<PFNEGLDUPNATIVEFENCEFDANDROIDPROC>(
-          "eglDupNativeFenceFDANDROID");
-  m_eglClientWaitSyncKHR =
-      CEGLUtils::GetRequiredProcAddress<PFNEGLCLIENTWAITSYNCKHRPROC>("eglClientWaitSyncKHR");
-  m_eglWaitSyncKHR = CEGLUtils::GetRequiredProcAddress<PFNEGLWAITSYNCKHRPROC>("eglWaitSyncKHR");
-#endif
 }
 
 void CEGLFence::CreateFence()
@@ -79,65 +71,3 @@ bool CEGLFence::IsSignaled()
 
   return false;
 }
-
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-EGLSyncKHR CEGLFence::CreateFence(int fd)
-{
-  CEGLAttributes<1> attributeList;
-  attributeList.Add({{EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fd}});
-
-  EGLSyncKHR fence =
-      m_eglCreateSyncKHR(m_display, EGL_SYNC_NATIVE_FENCE_ANDROID, attributeList.Get());
-
-  if (fence == EGL_NO_SYNC_KHR)
-  {
-    CEGLUtils::Log(LOGERROR, "failed to create EGL sync object");
-    return nullptr;
-  }
-
-  return fence;
-}
-
-void CEGLFence::CreateGPUFence()
-{
-  m_gpuFence = CreateFence(EGL_NO_NATIVE_FENCE_FD_ANDROID);
-}
-
-void CEGLFence::CreateKMSFence(int fd)
-{
-  m_kmsFence = CreateFence(fd);
-}
-
-EGLint CEGLFence::FlushFence()
-{
-  EGLint fd = m_eglDupNativeFenceFDANDROID(m_display, m_gpuFence);
-  if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
-    CEGLUtils::Log(LOGERROR, "failed to duplicate EGL fence fd");
-
-  m_eglDestroySyncKHR(m_display, m_gpuFence);
-
-  return fd;
-}
-
-void CEGLFence::WaitSyncGPU()
-{
-  if (!m_kmsFence)
-    return;
-
-  if (m_eglWaitSyncKHR(m_display, m_kmsFence, 0) != EGL_TRUE)
-    CEGLUtils::Log(LOGERROR, "failed to create EGL sync point");
-}
-
-void CEGLFence::WaitSyncCPU()
-{
-  if (!m_kmsFence)
-    return;
-
-  EGLint status{EGL_FALSE};
-
-  while (status != EGL_CONDITION_SATISFIED_KHR)
-    status = m_eglClientWaitSyncKHR(m_display, m_kmsFence, 0, EGL_FOREVER_KHR);
-
-  m_eglDestroySyncKHR(m_display, m_kmsFence);
-}
-#endif
diff --git a/xbmc/utils/EGLFence.h b/xbmc/utils/EGLFence.h
index 03c246b60b..bd96444e47 100644
--- a/xbmc/utils/EGLFence.h
+++ b/xbmc/utils/EGLFence.h
@@ -30,14 +30,6 @@ public:
   void DestroyFence();
   bool IsSignaled();
 
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-  void CreateKMSFence(int fd);
-  void CreateGPUFence();
-  EGLint FlushFence();
-  void WaitSyncGPU();
-  void WaitSyncCPU();
-#endif
-
 private:
   EGLDisplay m_display{nullptr};
   EGLSyncKHR m_fence{nullptr};
@@ -45,17 +37,6 @@ private:
   PFNEGLCREATESYNCKHRPROC m_eglCreateSyncKHR{nullptr};
   PFNEGLDESTROYSYNCKHRPROC m_eglDestroySyncKHR{nullptr};
   PFNEGLGETSYNCATTRIBKHRPROC m_eglGetSyncAttribKHR{nullptr};
-
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-  EGLSyncKHR CreateFence(int fd);
-
-  EGLSyncKHR m_gpuFence{EGL_NO_SYNC_KHR};
-  EGLSyncKHR m_kmsFence{EGL_NO_SYNC_KHR};
-
-  PFNEGLDUPNATIVEFENCEFDANDROIDPROC m_eglDupNativeFenceFDANDROID{nullptr};
-  PFNEGLCLIENTWAITSYNCKHRPROC m_eglClientWaitSyncKHR{nullptr};
-  PFNEGLWAITSYNCKHRPROC m_eglWaitSyncKHR{nullptr};
-#endif
 };
 
 }
diff --git a/xbmc/windowing/gbm/WinSystemGbm.cpp b/xbmc/windowing/gbm/WinSystemGbm.cpp
index f334156d89..34c8c16fe4 100644
--- a/xbmc/windowing/gbm/WinSystemGbm.cpp
+++ b/xbmc/windowing/gbm/WinSystemGbm.cpp
@@ -278,7 +278,7 @@ void CWinSystemGbm::UpdateDisplayHardwareScaling(const RESOLUTION_INFO& resInfo)
   SetFullScreen(true, resMutable, false);
 }
 
-void CWinSystemGbm::FlipPage(bool rendered, bool videoLayer, bool async)
+void CWinSystemGbm::FlipPage(bool rendered, bool videoLayer)
 {
   if (m_videoLayerBridge && !videoLayer)
   {
@@ -293,7 +293,7 @@ void CWinSystemGbm::FlipPage(bool rendered, bool videoLayer, bool async)
     bo = m_GBM->GetDevice()->GetSurface()->LockFrontBuffer()->Get();
   }
 
-  m_DRM->FlipPage(bo, rendered, videoLayer, async);
+  m_DRM->FlipPage(bo, rendered, videoLayer);
 
   if (m_videoLayerBridge && !videoLayer)
   {
@@ -310,14 +310,14 @@ bool CWinSystemGbm::UseLimitedColor()
 bool CWinSystemGbm::Hide()
 {
   bool ret = m_DRM->SetActive(false);
-  FlipPage(false, false, false);
+  FlipPage(false, false);
   return ret;
 }
 
 bool CWinSystemGbm::Show(bool raise)
 {
   bool ret = m_DRM->SetActive(true);
-  FlipPage(false, false, false);
+  FlipPage(false, false);
   return ret;
 }
 
diff --git a/xbmc/windowing/gbm/WinSystemGbm.h b/xbmc/windowing/gbm/WinSystemGbm.h
index 879d0f58f8..a800acef6b 100644
--- a/xbmc/windowing/gbm/WinSystemGbm.h
+++ b/xbmc/windowing/gbm/WinSystemGbm.h
@@ -49,7 +49,7 @@ public:
   bool DisplayHardwareScalingEnabled() override;
   void UpdateDisplayHardwareScaling(const RESOLUTION_INFO& resInfo) override;
 
-  void FlipPage(bool rendered, bool videoLayer, bool async);
+  void FlipPage(bool rendered, bool videoLayer);
 
   bool CanDoWindowed() override { return false; }
   void UpdateResolutions() override;
diff --git a/xbmc/windowing/gbm/WinSystemGbmEGLContext.cpp b/xbmc/windowing/gbm/WinSystemGbmEGLContext.cpp
index ee27fba1bd..83a59413f7 100644
--- a/xbmc/windowing/gbm/WinSystemGbmEGLContext.cpp
+++ b/xbmc/windowing/gbm/WinSystemGbmEGLContext.cpp
@@ -58,17 +58,6 @@ bool CWinSystemGbmEGLContext::InitWindowSystemEGL(EGLint renderableType, EGLint
     return false;
   }
 
-  if (CEGLUtils::HasExtension(m_eglContext.GetEGLDisplay(), "EGL_ANDROID_native_fence_sync") &&
-      CEGLUtils::HasExtension(m_eglContext.GetEGLDisplay(), "EGL_KHR_fence_sync"))
-  {
-    m_eglFence = std::make_unique<KODI::UTILS::EGL::CEGLFence>(m_eglContext.GetEGLDisplay());
-  }
-  else
-  {
-    CLog::Log(LOGWARNING, "[GBM] missing support for EGL_KHR_fence_sync and "
-                          "EGL_ANDROID_native_fence_sync - performance may be impacted");
-  }
-
   return true;
 }
 
diff --git a/xbmc/windowing/gbm/WinSystemGbmEGLContext.h b/xbmc/windowing/gbm/WinSystemGbmEGLContext.h
index fbd52354ee..84f863d6d3 100644
--- a/xbmc/windowing/gbm/WinSystemGbmEGLContext.h
+++ b/xbmc/windowing/gbm/WinSystemGbmEGLContext.h
@@ -9,7 +9,6 @@
 #pragma once
 
 #include "WinSystemGbm.h"
-#include "utils/EGLFence.h"
 #include "utils/EGLUtils.h"
 #include "windowing/linux/WinSystemEGL.h"
 
@@ -47,8 +46,6 @@ protected:
   bool InitWindowSystemEGL(EGLint renderableType, EGLint apiType);
   virtual bool CreateContext() = 0;
 
-  std::unique_ptr<KODI::UTILS::EGL::CEGLFence> m_eglFence;
-
   struct delete_CVaapiProxy
   {
     void operator()(CVaapiProxy *p) const;
diff --git a/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp b/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp
index adbb539f21..e4ff49c618 100644
--- a/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp
+++ b/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp
@@ -119,37 +119,13 @@ void CWinSystemGbmGLContext::PresentRender(bool rendered, bool videoLayer)
   {
     if (rendered)
     {
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-      if (m_eglFence)
-      {
-        int fd = m_DRM->TakeOutFenceFd();
-        if (fd != -1)
-        {
-          m_eglFence->CreateKMSFence(fd);
-          m_eglFence->WaitSyncGPU();
-        }
-
-        m_eglFence->CreateGPUFence();
-      }
-#endif
-
       if (!m_eglContext.TrySwapBuffers())
       {
         CEGLUtils::Log(LOGERROR, "eglSwapBuffers failed");
         throw std::runtime_error("eglSwapBuffers failed");
       }
-
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-      if (m_eglFence)
-      {
-        int fd = m_eglFence->FlushFence();
-        m_DRM->SetInFenceFd(fd);
-
-        m_eglFence->WaitSyncCPU();
-      }
-#endif
     }
-    CWinSystemGbm::FlipPage(rendered, videoLayer, static_cast<bool>(m_eglFence));
+    CWinSystemGbm::FlipPage(rendered, videoLayer);
 
     if (m_dispReset && m_dispResetTimer.IsTimePast())
     {
diff --git a/xbmc/windowing/gbm/WinSystemGbmGLESContext.cpp b/xbmc/windowing/gbm/WinSystemGbmGLESContext.cpp
index ad80abf46c..0d071c31f1 100644
--- a/xbmc/windowing/gbm/WinSystemGbmGLESContext.cpp
+++ b/xbmc/windowing/gbm/WinSystemGbmGLESContext.cpp
@@ -128,38 +128,13 @@ void CWinSystemGbmGLESContext::PresentRender(bool rendered, bool videoLayer)
   {
     if (rendered)
     {
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-      if (m_eglFence)
-      {
-        int fd = m_DRM->TakeOutFenceFd();
-        if (fd != -1)
-        {
-          m_eglFence->CreateKMSFence(fd);
-          m_eglFence->WaitSyncGPU();
-        }
-
-        m_eglFence->CreateGPUFence();
-      }
-#endif
-
       if (!m_eglContext.TrySwapBuffers())
       {
         CEGLUtils::Log(LOGERROR, "eglSwapBuffers failed");
         throw std::runtime_error("eglSwapBuffers failed");
       }
-
-#if defined(EGL_ANDROID_native_fence_sync) && defined(EGL_KHR_fence_sync)
-      if (m_eglFence)
-      {
-        int fd = m_eglFence->FlushFence();
-        m_DRM->SetInFenceFd(fd);
-
-        m_eglFence->WaitSyncCPU();
-      }
-#endif
     }
-
-    CWinSystemGbm::FlipPage(rendered, videoLayer, static_cast<bool>(m_eglFence));
+    CWinSystemGbm::FlipPage(rendered, videoLayer);
 
     if (m_dispReset && m_dispResetTimer.IsTimePast())
     {
diff --git a/xbmc/windowing/gbm/drm/DRMAtomic.cpp b/xbmc/windowing/gbm/drm/DRMAtomic.cpp
index ff7f137d60..029b5cae81 100644
--- a/xbmc/windowing/gbm/drm/DRMAtomic.cpp
+++ b/xbmc/windowing/gbm/drm/DRMAtomic.cpp
@@ -111,11 +111,6 @@ void CDRMAtomic::DrmAtomicCommit(int fb_id, int flags, bool rendered, bool video
       AddProperty(m_gui_plane, "CRTC_H", m_mode->vdisplay);
     }
 
-    if (m_inFenceFd != -1)
-    {
-      AddProperty(m_crtc, "OUT_FENCE_PTR", reinterpret_cast<uint64_t>(&m_outFenceFd));
-      AddProperty(m_gui_plane, "IN_FENCE_FD", m_inFenceFd);
-    }
   }
   else if (videoLayer && !CServiceBroker::GetGUI()->GetWindowManager().HasVisibleControls())
   {
@@ -151,12 +146,6 @@ void CDRMAtomic::DrmAtomicCommit(int fb_id, int flags, bool rendered, bool video
               strerror(errno));
   }
 
-  if (m_inFenceFd != -1)
-  {
-    close(m_inFenceFd);
-    m_inFenceFd = -1;
-  }
-
   if (flags & DRM_MODE_ATOMIC_ALLOW_MODESET)
   {
     if (drmModeDestroyPropertyBlob(m_fd, blob_id) != 0)
@@ -171,10 +160,9 @@ void CDRMAtomic::DrmAtomicCommit(int fb_id, int flags, bool rendered, bool video
   m_req = m_atomicRequestQueue.back().get();
 }
 
-void CDRMAtomic::FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, bool async)
+void CDRMAtomic::FlipPage(struct gbm_bo *bo, bool rendered, bool videoLayer)
 {
   struct drm_fb *drm_fb = nullptr;
-  uint32_t flags = 0;
 
   if (rendered)
   {
@@ -189,11 +177,10 @@ void CDRMAtomic::FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, boo
       CLog::Log(LOGERROR, "CDRMAtomic::{} - Failed to get a new FBO", __FUNCTION__);
       return;
     }
-
-    if (async && !m_need_modeset)
-      flags |= DRM_MODE_ATOMIC_NONBLOCK;
   }
 
+  uint32_t flags = 0;
+
   if (m_need_modeset)
   {
     flags |= DRM_MODE_ATOMIC_ALLOW_MODESET;
diff --git a/xbmc/windowing/gbm/drm/DRMAtomic.h b/xbmc/windowing/gbm/drm/DRMAtomic.h
index 6b19657587..ca2cd9a1d0 100644
--- a/xbmc/windowing/gbm/drm/DRMAtomic.h
+++ b/xbmc/windowing/gbm/drm/DRMAtomic.h
@@ -27,7 +27,7 @@ class CDRMAtomic : public CDRMUtils
 public:
   CDRMAtomic() = default;
   ~CDRMAtomic() override = default;
-  void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, bool async) override;
+  void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer) override;
   bool SetVideoMode(const RESOLUTION_INFO& res, struct gbm_bo* bo) override;
   bool SetActive(bool active) override;
   bool InitDrm() override;
diff --git a/xbmc/windowing/gbm/drm/DRMLegacy.cpp b/xbmc/windowing/gbm/drm/DRMLegacy.cpp
index 4e9c3a6b9f..418d067e70 100644
--- a/xbmc/windowing/gbm/drm/DRMLegacy.cpp
+++ b/xbmc/windowing/gbm/drm/DRMLegacy.cpp
@@ -108,7 +108,7 @@ bool CDRMLegacy::QueueFlip(struct gbm_bo *bo)
   return true;
 }
 
-void CDRMLegacy::FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, bool async)
+void CDRMLegacy::FlipPage(struct gbm_bo *bo, bool rendered, bool videoLayer)
 {
   if (rendered || videoLayer)
   {
diff --git a/xbmc/windowing/gbm/drm/DRMLegacy.h b/xbmc/windowing/gbm/drm/DRMLegacy.h
index e763f298f7..2b7ff45617 100644
--- a/xbmc/windowing/gbm/drm/DRMLegacy.h
+++ b/xbmc/windowing/gbm/drm/DRMLegacy.h
@@ -22,7 +22,7 @@ class CDRMLegacy : public CDRMUtils
 public:
   CDRMLegacy() = default;
   ~CDRMLegacy() override = default;
-  void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, bool async) override;
+  void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer) override;
   bool SetVideoMode(const RESOLUTION_INFO& res, struct gbm_bo* bo) override;
   bool SetActive(bool active) override;
   bool InitDrm() override;
diff --git a/xbmc/windowing/gbm/drm/DRMUtils.h b/xbmc/windowing/gbm/drm/DRMUtils.h
index f92f716fc4..5327e35570 100644
--- a/xbmc/windowing/gbm/drm/DRMUtils.h
+++ b/xbmc/windowing/gbm/drm/DRMUtils.h
@@ -15,7 +15,6 @@
 #include "windowing/Resolution.h"
 #include "windowing/gbm/GBMUtils.h"
 
-#include <utility>
 #include <vector>
 
 #include <gbm.h>
@@ -40,7 +39,7 @@ class CDRMUtils
 public:
   CDRMUtils() = default;
   virtual ~CDRMUtils();
-  virtual void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, bool async) {}
+  virtual void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer) {}
   virtual bool SetVideoMode(const RESOLUTION_INFO& res, struct gbm_bo* bo) { return false; }
   virtual bool SetActive(bool active) { return false; }
   virtual bool InitDrm();
@@ -63,13 +62,6 @@ public:
   static uint32_t FourCCWithAlpha(uint32_t fourcc);
   static uint32_t FourCCWithoutAlpha(uint32_t fourcc);
 
-  void SetInFenceFd(int fd) { m_inFenceFd = fd; }
-  int TakeOutFenceFd()
-  {
-    int fd{-1};
-    return std::exchange(m_outFenceFd, fd);
-  }
-
 protected:
   bool OpenDrm(bool needConnector);
   drm_fb* DrmFbGetFromBo(struct gbm_bo *bo);
@@ -86,9 +78,6 @@ protected:
   int m_width = 0;
   int m_height = 0;
 
-  int m_inFenceFd{-1};
-  int m_outFenceFd{-1};
-
   std::vector<std::unique_ptr<CDRMPlane>> m_planes;
 
 private:
diff --git a/xbmc/windowing/gbm/drm/OffScreenModeSetting.h b/xbmc/windowing/gbm/drm/OffScreenModeSetting.h
index bba0db9a53..4270d4ecb2 100644
--- a/xbmc/windowing/gbm/drm/OffScreenModeSetting.h
+++ b/xbmc/windowing/gbm/drm/OffScreenModeSetting.h
@@ -22,7 +22,7 @@ class COffScreenModeSetting : public CDRMUtils
 public:
   COffScreenModeSetting() = default;
   ~COffScreenModeSetting() override = default;
-  void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer, bool async) override {}
+  void FlipPage(struct gbm_bo *bo, bool rendered, bool videoLayer) override {}
   bool SetVideoMode(const RESOLUTION_INFO& res, struct gbm_bo *bo) override { return false; }
   bool SetActive(bool active) override { return false; }
   bool InitDrm() override;