| // Copyright 2018 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <EGL/egl.h> |
| #include "starboard/shared/x11/application_x11.h" |
| |
| extern "C" { |
| EGLBoolean __real_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface); |
| |
| EGLBoolean __wrap_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) { |
| // This function is a proxy for when the GL layer is updated. Unfortunately, |
| // OpenGL ES 2.0 / X11 do not provide interfaces to know or control exactly |
| // when the GL layer is updated, but with an eglSwapInterval of 0, this is |
| // a good approximation. |
| EGLBoolean return_value; |
| starboard::shared::x11::ApplicationX11* application = |
| static_cast<starboard::shared::x11::ApplicationX11*>( |
| starboard::shared::starboard::Application::Get()); |
| |
| // Notify the application when the swap happens so that it can synchronize |
| // the bounds for the video layer. |
| application->SwapBuffersBegin(); |
| return_value = __real_eglSwapBuffers(dpy, surface); |
| application->SwapBuffersEnd(); |
| return return_value; |
| } |
| } |