[XB1] Add device lost handling

This change adds handler function that trigger graphics recreation if EGL_CONTEXT_LOST error occurred.

b/329326128

cobalt/renderer/backend/egl/graphics_context.cc

@@ -251,6 +251,11 @@ void GraphicsContextEGL::SafeEglMakeCurrent(RenderTargetEGL* surface) {
   // a thread can result in global allocations being made that are never freed.
   ANNOTATE_SCOPED_MEMORY_LEAK;
 
+#ifdef HANDLE_EGL_CONTEXT_LOST
+  if (error_context_lost_) {
+    return;
+  }
+#endif
   EGLSurface egl_surface = surface->GetSurface();
 
   // This should only be used with egl surfaces (not framebuffer objects).
@@ -279,6 +284,13 @@ void GraphicsContextEGL::SafeEglMakeCurrent(RenderTargetEGL* surface) {
       surface->set_surface_bad();
       egl_surface = null_surface_->GetSurface();
       EGL_CALL(eglMakeCurrent(display_, egl_surface, egl_surface, context_));
+#ifdef HANDLE_EGL_CONTEXT_LOST
+    } else if (make_current_error == EGL_CONTEXT_LOST) {
+      error_context_lost_ = true;
+      EGL_CALL(eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE,
+                              EGL_NO_CONTEXT));
+      SbHandleEglContextLost();
+#endif
     } else {
       NOTREACHED() << "Unexpected error when calling eglMakeCurrent().";
     }

cobalt/renderer/backend/egl/graphics_context.h

@@ -167,6 +167,8 @@ class GraphicsContextEGL : public GraphicsContext {
   // OpenGL ES implementation.
   bool bgra_format_supported_;
 
+  bool error_context_lost_ = false;
+
   // Data required to provide BlitToRenderTarget() functionality via OpenGL ES.
   GLuint blit_vertex_shader_;
   GLuint blit_fragment_shader_;

starboard/egl.h

@@ -62,6 +62,10 @@ typedef void*    SbEglSurface;
 typedef void*    SbEglSync;
 typedef uint64_t SbEglTime;
 
+#ifdef HANDLE_EGL_CONTEXT_LOST
+void SbHandleEglContextLost();
+#endif
+
 typedef struct SbEglInterface {
   SbEglBoolean (*eglChooseConfig)(SbEglDisplay dpy,
                                   const SbEglInt32* attrib_list,

starboard/shared/uwp/application_uwp.cc

@@ -364,6 +364,25 @@ void OnDeviceRemoved(DeviceWatcher ^, DeviceInformationUpdate ^) {
 
 }  // namespace
 
+extern "C" void SbHandleEglContextLost()
+{
+   MimeSupportabilityCache::GetInstance()->ClearCachedMimeSupportabilities();
+
+   ApplicationUwp::Get()->Inject(
+       new ApplicationUwp::Event(kSbEventTypeBlur, NULL, NULL));
+   ApplicationUwp::Get()->Inject(
+       new ApplicationUwp::Event(kSbEventTypeConceal, NULL, NULL));
+   ApplicationUwp::Get()->Inject(
+       new ApplicationUwp::Event(kSbEventTypeFreeze, NULL, NULL));
+
+   ApplicationUwp::Get()->Inject(
+       new ApplicationUwp::Event(kSbEventTypeUnfreeze, NULL, NULL));
+   ApplicationUwp::Get()->Inject(
+       new ApplicationUwp::Event(kSbEventTypeReveal, NULL, NULL));
+   ApplicationUwp::Get()->Inject(
+       new ApplicationUwp::Event(kSbEventTypeFocus, NULL, NULL));
+}
+
 namespace shared {
 namespace win32 {
 // Called into drm_system_playready.cc

starboard/xb1/configuration_public.h

@@ -20,4 +20,6 @@
 
 #include "starboard/xb1/shared/configuration_public.h"
 
+#define HANDLE_EGL_CONTEXT_LOST
+
 #endif  // STARBOARD_XB1_CONFIGURATION_PUBLIC_H_