1 files changed, 174 insertions, 0 deletions
diff --git a/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp b/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp
new file mode 100644
index 0000000..e4ff49c
--- /dev/null
+++ b/xbmc/windowing/gbm/WinSystemGbmGLContext.cpp
@@ -0,0 +1,174 @@
+/*
+ *  Copyright (C) 2005-2018 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 "WinSystemGbmGLContext.h"
+
+#include "OptionalsReg.h"
+#include "cores/RetroPlayer/process/gbm/RPProcessInfoGbm.h"
+#include "cores/RetroPlayer/rendering/VideoRenderers/RPRendererDMA.h"
+#include "cores/RetroPlayer/rendering/VideoRenderers/RPRendererOpenGL.h"
+#include "cores/VideoPlayer/DVDCodecs/DVDFactoryCodec.h"
+#include "cores/VideoPlayer/VideoRenderers/LinuxRendererGL.h"
+#include "cores/VideoPlayer/VideoRenderers/RenderFactory.h"
+#include "rendering/gl/ScreenshotSurfaceGL.h"
+#include "utils/BufferObjectFactory.h"
+#include "utils/DMAHeapBufferObject.h"
+#include "utils/DumbBufferObject.h"
+#include "utils/GBMBufferObject.h"
+#include "utils/UDMABufferObject.h"
+#include "utils/XTimeUtils.h"
+#include "utils/log.h"
+#include "windowing/WindowSystemFactory.h"
+
+#include <mutex>
+
+#include <EGL/eglext.h>
+
+using namespace KODI::WINDOWING::GBM;
+
+using namespace std::chrono_literals;
+
+CWinSystemGbmGLContext::CWinSystemGbmGLContext()
+: CWinSystemGbmEGLContext(EGL_PLATFORM_GBM_MESA, "EGL_MESA_platform_gbm")
+{}
+
+void CWinSystemGbmGLContext::Register()
+{
+  CWindowSystemFactory::RegisterWindowSystem(CreateWinSystem, "gbm");
+}
+
+std::unique_ptr<CWinSystemBase> CWinSystemGbmGLContext::CreateWinSystem()
+{
+  return std::make_unique<CWinSystemGbmGLContext>();
+}
+
+bool CWinSystemGbmGLContext::InitWindowSystem()
+{
+  VIDEOPLAYER::CRendererFactory::ClearRenderer();
+  CDVDFactoryCodec::ClearHWAccels();
+  CLinuxRendererGL::Register();
+  RETRO::CRPProcessInfoGbm::Register();
+  RETRO::CRPProcessInfoGbm::RegisterRendererFactory(new RETRO::CRendererFactoryDMA);
+  RETRO::CRPProcessInfoGbm::RegisterRendererFactory(new RETRO::CRendererFactoryOpenGL);
+
+  if (!CWinSystemGbmEGLContext::InitWindowSystemEGL(EGL_OPENGL_BIT, EGL_OPENGL_API))
+  {
+    return false;
+  }
+
+  bool general, deepColor;
+  m_vaapiProxy.reset(VaapiProxyCreate(m_DRM->GetRenderNodeFileDescriptor()));
+  VaapiProxyConfig(m_vaapiProxy.get(), m_eglContext.GetEGLDisplay());
+  VAAPIRegisterRenderGL(m_vaapiProxy.get(), general, deepColor);
+
+  if (general)
+  {
+    VAAPIRegister(m_vaapiProxy.get(), deepColor);
+  }
+
+  CScreenshotSurfaceGL::Register();
+
+  CBufferObjectFactory::ClearBufferObjects();
+  CDumbBufferObject::Register();
+#if defined(HAS_GBM_BO_MAP)
+  CGBMBufferObject::Register();
+#endif
+#if defined(HAVE_LINUX_MEMFD) && defined(HAVE_LINUX_UDMABUF)
+  CUDMABufferObject::Register();
+#endif
+#if defined(HAVE_LINUX_DMA_HEAP)
+  CDMAHeapBufferObject::Register();
+#endif
+
+  return true;
+}
+
+bool CWinSystemGbmGLContext::SetFullScreen(bool fullScreen, RESOLUTION_INFO& res, bool blankOtherDisplays)
+{
+  if (res.iWidth != m_nWidth ||
+      res.iHeight != m_nHeight)
+  {
+    CLog::Log(LOGDEBUG, "CWinSystemGbmGLContext::{} - resolution changed, creating a new window",
+              __FUNCTION__);
+    CreateNewWindow("", fullScreen, res);
+  }
+
+  if (!m_eglContext.TrySwapBuffers())
+  {
+    CEGLUtils::Log(LOGERROR, "eglSwapBuffers failed");
+    throw std::runtime_error("eglSwapBuffers failed");
+  }
+
+  CWinSystemGbm::SetFullScreen(fullScreen, res, blankOtherDisplays);
+  CRenderSystemGL::ResetRenderSystem(res.iWidth, res.iHeight);
+
+  return true;
+}
+
+void CWinSystemGbmGLContext::PresentRender(bool rendered, bool videoLayer)
+{
+  if (!m_bRenderCreated)
+    return;
+
+  if (rendered || videoLayer)
+  {
+    if (rendered)
+    {
+      if (!m_eglContext.TrySwapBuffers())
+      {
+        CEGLUtils::Log(LOGERROR, "eglSwapBuffers failed");
+        throw std::runtime_error("eglSwapBuffers failed");
+      }
+    }
+    CWinSystemGbm::FlipPage(rendered, videoLayer);
+
+    if (m_dispReset && m_dispResetTimer.IsTimePast())
+    {
+      CLog::Log(LOGDEBUG, "CWinSystemGbmGLContext::{} - Sending display reset to all clients",
+                __FUNCTION__);
+      m_dispReset = false;
+      std::unique_lock<CCriticalSection> lock(m_resourceSection);
+
+      for (auto resource : m_resources)
+        resource->OnResetDisplay();
+    }
+  }
+  else
+  {
+    KODI::TIME::Sleep(10ms);
+  }
+}
+
+bool CWinSystemGbmGLContext::CreateContext()
+{
+  const EGLint glMajor = 3;
+  const EGLint glMinor = 2;
+
+  CEGLAttributesVec contextAttribs;
+  contextAttribs.Add({{EGL_CONTEXT_MAJOR_VERSION_KHR, glMajor},
+                      {EGL_CONTEXT_MINOR_VERSION_KHR, glMinor},
+                      {EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR}});
+
+  if (!m_eglContext.CreateContext(contextAttribs))
+  {
+    CEGLAttributesVec fallbackContextAttribs;
+    fallbackContextAttribs.Add({{EGL_CONTEXT_CLIENT_VERSION, 2}});
+
+    if (!m_eglContext.CreateContext(fallbackContextAttribs))
+    {
+      CLog::Log(LOGERROR, "EGL context creation failed");
+      return false;
+    }
+    else
+    {
+      CLog::Log(LOGWARNING, "Your OpenGL drivers do not support OpenGL {}.{} core profile. Kodi will run in compatibility mode, but performance may suffer.", glMajor, glMinor);
+    }
+  }
+
+  return true;
+}