void DestroySurface() { if (hasSurface) { log("DestroySurface"); windowInfo.DestroySurface(); hasSurface = false; } }
private void DestroySurface() { log("DestroySurface"); windowInfo.DestroySurface(); }
// This method is called everytime the context needs // to be recreated. Use it to set any egl-specific settings // prior to context creation protected override void CreateFrameBuffer () { IEGL10 egl = EGLContext.EGL.JavaCast<IEGL10> (); var win = new AndroidWindow (Holder); win.InitializeDisplay (); int[] num_configs = new int[1]; if (!egl.EglGetConfigs (win.Display, null, 0, num_configs)) { throw EglException.GenerateException ("Failed to retrieve GraphicsMode configurations", egl); } EGLConfig[] configs = new EGLConfig[num_configs[0]]; if (!egl.EglGetConfigs (win.Display, configs, num_configs[0], num_configs)) { throw EglException.GenerateException ("Failed to retrieve GraphicsMode configurations", egl); } Log.Verbose ("GLDiag", "Testing {0} graphics configurations", num_configs[0]); Dictionary<IntPtr, AndroidGraphicsMode> validModes = new Dictionary<IntPtr, AndroidGraphicsMode> (); int count = 0; foreach (var c in configs) { var r = GetAttrib (egl, win.Display, c, EGL11.EglRedSize); var g = GetAttrib (egl, win.Display, c, EGL11.EglGreenSize); var b = GetAttrib (egl, win.Display, c, EGL11.EglBlueSize); var a = GetAttrib (egl, win.Display, c, EGL11.EglAlphaSize); var depth = GetAttrib (egl, win.Display, c, EGL11.EglDepthSize); var stencil = GetAttrib (egl, win.Display, c, EGL11.EglStencilSize); var s = GetAttrib (egl, win.Display, c, EGL11.EglSampleBuffers); var samples = GetAttrib (egl, win.Display, c, EGL11.EglSamples); Log.Verbose ("AndroidGraphicsMode", "Testing graphics mode: {8} red {0} green {1} blue {2} alpha {3} ({4}) depth {5} stencil {6} samples {7}", r, g, b, a, r+g+b+a, depth, stencil, samples, count++); try { win.CreateSurface (c); win.DestroySurface (); validModes.Add (c.Handle, new AndroidGraphicsMode (r+g+b+a, depth, stencil, s > 0 ? samples : 0, 2, true)); Log.Verbose ("AndroidGraphicsMode", "Graphics mode {0} valid", count-1); } catch { Log.Verbose ("AndroidGraphicsMode", "Graphics mode {0} invalid", count-1); } } win.TerminateDisplay (); if (validModes.Count == 0) throw new EglException ("There is no valid graphics mode, aborting"); IntPtr key = IntPtr.Zero; foreach (var k in validModes) { if (key == IntPtr.Zero) key = k.Key; var a = k.Value; Log.Verbose ("AndroidGraphicsMode", "Valid graphics mode: {9} red {0} green {1} blue {2} alpha {3} ({4}) depth {5} stencil {6} samples {7} buffers {8}", a.ColorFormat.Red, a.ColorFormat.Green, a.ColorFormat.Blue, a.ColorFormat.Alpha, a.ColorFormat.BitsPerPixel, a.Depth, a.Stencil, a.Samples, a.Buffers, (int)k.Key); } GraphicsMode = validModes[key]; // if you don't call this, the context won't be created base.CreateFrameBuffer (); }