protected override void InitializeWindowRenderer()
{
// Ensure to not share this context with other contexts before this point.
SetupOpenGLAttributes(false, _glLogLevel);
IntPtr context = SDL_GL_CreateContext(WindowHandle);
SDL_GL_SetSwapInterval(1);
if (context == IntPtr.Zero)
{
string errorMessage = $"SDL_GL_CreateContext failed with error \"{SDL_GetError()}\"";
Logger.Error?.Print(LogClass.Application, errorMessage);
throw new Exception(errorMessage);
}
// NOTE: The window handle needs to be disposed by the thread that created it and is handled separately.
_openGLContext = new SDL2OpenGLContext(context, WindowHandle, false);
// First take exclusivity on the OpenGL context.
((Renderer)Renderer).InitializeBackgroundContext(SDL2OpenGLContext.CreateBackgroundContext(_openGLContext));
_openGLContext.MakeCurrent();
GL.ClearColor(0, 0, 0, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit);
SwapBuffers();
Renderer?.Window.SetSize(DefaultWidth, DefaultHeight);
MouseDriver.SetClientSize(DefaultWidth, DefaultHeight);
}
public static SDL2OpenGLContext CreateBackgroundContext(SDL2OpenGLContext sharedContext)
{
sharedContext.MakeCurrent();
// Ensure we share our contexts.
SetupOpenGLAttributes(true, GraphicsDebugLevel.None);
IntPtr windowHandle = SDL_CreateWindow("Ryujinx background context window", 0, 0, 1, 1, SDL_WindowFlags.SDL_WINDOW_OPENGL | SDL_WindowFlags.SDL_WINDOW_HIDDEN);
IntPtr context = SDL_GL_CreateContext(windowHandle);
GL.LoadBindings(new OpenToolkitBindingsContext());
SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 0);
SDL_GL_MakeCurrent(windowHandle, IntPtr.Zero);
return(new SDL2OpenGLContext(context, windowHandle));
}
