From be933ef2241d79558f91796cc5b3a161f72ebf9c Mon Sep 17 00:00:00 2001 From: manuel Date: Mon, 19 Oct 2020 00:52:24 +0200 Subject: sync with upstream --- xbmc/utils/EGLFence.cpp | 70 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 xbmc/utils/EGLFence.cpp (limited to 'xbmc/utils/EGLFence.cpp') diff --git a/xbmc/utils/EGLFence.cpp b/xbmc/utils/EGLFence.cpp new file mode 100644 index 0000000..369c40a --- /dev/null +++ b/xbmc/utils/EGLFence.cpp @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2017-2018 Team Kodi + * This file is part of Kodi - https://kodi.tv + * + * SPDX-License-Identifier: GPL-2.0-or-later + * See LICENSES/README.md for more information. + */ + +#include "EGLFence.h" + +#include "EGLUtils.h" +#include "utils/log.h" + +using namespace KODI::UTILS::EGL; + +CEGLFence::CEGLFence(EGLDisplay display) : + m_display(display) +{ + m_eglCreateSyncKHR = CEGLUtils::GetRequiredProcAddress("eglCreateSyncKHR"); + m_eglDestroySyncKHR = CEGLUtils::GetRequiredProcAddress("eglDestroySyncKHR"); + m_eglGetSyncAttribKHR = CEGLUtils::GetRequiredProcAddress("eglGetSyncAttribKHR"); +} + +void CEGLFence::CreateFence() +{ + m_fence = m_eglCreateSyncKHR(m_display, EGL_SYNC_FENCE_KHR, nullptr); + if (m_fence == EGL_NO_SYNC_KHR) + { + CEGLUtils::Log(LOGERROR, "failed to create egl sync fence"); + throw std::runtime_error("failed to create egl sync fence"); + } +} + +void CEGLFence::DestroyFence() +{ + if (m_fence == EGL_NO_SYNC_KHR) + { + return; + } + + if (m_eglDestroySyncKHR(m_display, m_fence) != EGL_TRUE) + { + CEGLUtils::Log(LOGERROR, "failed to destroy egl sync fence"); + } + + m_fence = EGL_NO_SYNC_KHR; +} + +bool CEGLFence::IsSignaled() +{ + // fence has been destroyed so return true immediately so buffer can be used + if (m_fence == EGL_NO_SYNC_KHR) + { + return true; + } + + EGLint status = EGL_UNSIGNALED_KHR; + if (m_eglGetSyncAttribKHR(m_display, m_fence, EGL_SYNC_STATUS_KHR, &status) != EGL_TRUE) + { + CEGLUtils::Log(LOGERROR, "failed to query egl sync fence"); + return false; + } + + if (status == EGL_SIGNALED_KHR) + { + return true; + } + + return false; +} -- cgit v1.2.3