public EGLSurface CreateSurface(int width, int height) { IntPtr surface; EglWindowInfo.CreatePbufferSurface( EglContext.GraphicsMode.Index.Value, width, height, out surface); return(surface); }
int swap_interval = 1; // Default interval is defined as 1 in EGL. #endregion #region Constructors public EglContext(GraphicsMode mode, EglWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags) { if (mode == null) { throw new ArgumentNullException("mode"); } if (window == null) { throw new ArgumentNullException("window"); } EglContext shared = GetSharedEglContext(sharedContext); WindowInfo = window; // Select an EGLConfig that matches the desired mode. We cannot use the 'mode' // parameter directly, since it may have originated on a different system (e.g. GLX) // and it may not support the desired renderer. Renderable = RenderableFlags.GL; if ((flags & GraphicsContextFlags.Embedded) != 0) { switch (major) { case 3: Renderable = RenderableFlags.ES3; break; case 2: Renderable = RenderableFlags.ES2; break; default: Renderable = RenderableFlags.ES; break; } } RenderApi api = (Renderable & RenderableFlags.GL) != 0 ? RenderApi.GL : RenderApi.ES; Debug.Print("[EGL] Binding {0} rendering API.", api); if (!Egl.BindAPI(api)) { Debug.Print("[EGL] Failed to bind rendering API. Error: {0}", Egl.GetError()); } bool offscreen = (flags & GraphicsContextFlags.Offscreen) != 0; SurfaceType surface_type = offscreen ? SurfaceType.PBUFFER_BIT : SurfaceType.WINDOW_BIT; Mode = new EglGraphicsMode().SelectGraphicsMode(surface_type, window.Display, mode.ColorFormat, mode.Depth, mode.Stencil, mode.Samples, mode.AccumulatorFormat, mode.Buffers, mode.Stereo, Renderable, (flags & GraphicsContextFlags.AngleFullscreen) > 0); if (!Mode.Index.HasValue) { throw new GraphicsModeException("Invalid or unsupported GraphicsMode."); } IntPtr config = Mode.Index.Value; if (window.Surface == IntPtr.Zero) { if (!offscreen) { window.CreateWindowSurface(config); } else { window.CreatePbufferSurface(config); } } int[] attrib_list = new int[] { Egl.CONTEXT_CLIENT_VERSION, major, Egl.NONE }; var share_context = shared != null ? shared.HandleAsEGLContext : IntPtr.Zero; try { HandleAsEGLContext = Egl.CreateContext(window.Display, config, share_context, attrib_list); GraphicsContextFlags = flags; MakeCurrent(window); } catch { window.DestroySurface(); throw; } }