aglChoosePixelFormat() private method

private aglChoosePixelFormat ( AGLDevice &gdevs, int ndev, int attribs ) : AGLPixelFormat
gdevs AGLDevice
ndev int
attribs int
return AGLPixelFormat
Example #1
0
        void CreateContext(GraphicsMode mode, CarbonWindow wind, bool fullscreen)
        {
            int[]  attribs = GetAttribs(mode, fullscreen);
            IntPtr pixelFormat;

            // Choose a pixel format with the attributes we specified.
            if (fullscreen)
            {
                IntPtr   gdevice;
                IntPtr   display = CG.CGMainDisplayID();
                OSStatus status  = API.DMGetGDeviceByDisplayID(display, out gdevice, false);

                if (status != OSStatus.NoError)
                {
                    throw new MacOSException(status, "DMGetGDeviceByDisplayID failed.");
                }

                pixelFormat = Agl.aglChoosePixelFormat(ref gdevice, 1, attribs);
                int err = Agl.aglGetError();

                if (err == Agl.AGL_BAD_PIXEL_FORMAT)
                {
                    Debug.Print("Failed to create full screen pixel format.");
                    Debug.Print("Trying again to create a non-fullscreen pixel format.");

                    CreateContext(mode, wind, false);
                    return;
                }
            }
            else
            {
                pixelFormat = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, attribs);
                Agl.CheckReturnValue(0, "aglChoosePixelFormat");
            }

            Debug.Print("Creating AGL context.");

            // create the context and share it with the share reference.
            ContextHandle = Agl.aglCreateContext(pixelFormat, IntPtr.Zero);
            Agl.CheckReturnValue(0, "aglCreateContext");

            // Free the pixel format from memory.
            Agl.aglDestroyPixelFormat(pixelFormat);
            Agl.CheckReturnValue(0, "aglDestroyPixelFormat");

            SetDrawable(wind);
            Update(wind);
            MakeCurrent(wind);

            Debug.Print("context: {0}", ContextHandle);
        }
Example #2
0
        void CreateContext(GraphicsMode mode, CarbonWindowInfo carbonWindow,
                           IntPtr shareContextRef, bool fullscreen)
        {
            List <int> aglAttributes = new List <int>();

            Debug.Print("AGL pixel format attributes:");
            Debug.Indent();

            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_RGBA);
            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_DOUBLEBUFFER);
            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_RED_SIZE, mode.ColorFormat.Red);
            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_GREEN_SIZE, mode.ColorFormat.Green);
            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_BLUE_SIZE, mode.ColorFormat.Blue);
            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ALPHA_SIZE, mode.ColorFormat.Alpha);

            if (mode.Depth > 0)
            {
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_DEPTH_SIZE, mode.Depth);
            }

            if (mode.Stencil > 0)
            {
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_STENCIL_SIZE, mode.Stencil);
            }

            if (mode.AccumulatorFormat.BitsPerPixel > 0)
            {
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_RED_SIZE, mode.AccumulatorFormat.Red);
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_GREEN_SIZE, mode.AccumulatorFormat.Green);
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_BLUE_SIZE, mode.AccumulatorFormat.Blue);
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_ALPHA_SIZE, mode.AccumulatorFormat.Alpha);
            }

            if (mode.Samples > 1)
            {
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_SAMPLE_BUFFERS_ARB, 1);
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_SAMPLES_ARB, mode.Samples);
            }

            if (fullscreen)
            {
                AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_FULLSCREEN);
            }
            AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_NONE);

            Debug.Unindent();

            Debug.Write("Attribute array:  ");
            for (int i = 0; i < aglAttributes.Count; i++)
            {
                Debug.Write(aglAttributes[i].ToString() + "  ");
            }
            Debug.WriteLine("");

            AGLPixelFormat myAGLPixelFormat;

            // Choose a pixel format with the attributes we specified.
            if (fullscreen)
            {
                IntPtr gdevice;
                IntPtr cgdevice = GetQuartzDevice(carbonWindow);

                if (cgdevice == IntPtr.Zero)
                {
                    cgdevice = QuartzDisplayDeviceDriver.MainDisplay;
                }

                OSStatus status = Carbon.API.DMGetGDeviceByDisplayID(
                    cgdevice, out gdevice, false);

                if (status != OSStatus.NoError)
                {
                    throw new MacOSException(status, "DMGetGDeviceByDisplayID failed.");
                }

                myAGLPixelFormat = Agl.aglChoosePixelFormat(
                    ref gdevice, 1,
                    aglAttributes.ToArray());

                Agl.AglError err = Agl.GetError();

                if (err == Agl.AglError.BadPixelFormat)
                {
                    Debug.Print("Failed to create full screen pixel format.");
                    Debug.Print("Trying again to create a non-fullscreen pixel format.");

                    CreateContext(mode, carbonWindow, shareContextRef, false);
                    return;
                }
            }
            else
            {
                myAGLPixelFormat = Agl.aglChoosePixelFormat(
                    IntPtr.Zero, 0,
                    aglAttributes.ToArray());

                MyAGLReportError("aglChoosePixelFormat");
            }


            Debug.Print("Creating AGL context.  Sharing with {0}", shareContextRef);

            // create the context and share it with the share reference.
            Handle = new ContextHandle(Agl.aglCreateContext(myAGLPixelFormat, shareContextRef));
            MyAGLReportError("aglCreateContext");

            // Free the pixel format from memory.
            Agl.aglDestroyPixelFormat(myAGLPixelFormat);
            MyAGLReportError("aglDestroyPixelFormat");

            Debug.Print("IsControl: {0}", carbonWindow.IsControl);

            SetDrawable(carbonWindow);
            SetBufferRect(carbonWindow);
            Update(carbonWindow);

            MakeCurrent(carbonWindow);

            Debug.Print("context: {0}", Handle.Handle);
        }
Example #3
0
        private IntPtr SelectPixelFormat(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo)
        {
            List <int> list = new List <int>();

            if (color.BitsPerPixel > 0)
            {
                if (!color.IsIndexed)
                {
                    list.Add(4);
                }
                list.Add(8);
                list.Add(color.Red);
                list.Add(9);
                list.Add(color.Green);
                list.Add(10);
                list.Add(color.Blue);
                list.Add(11);
                list.Add(color.Alpha);
            }
            if (depth > 0)
            {
                list.Add(12);
                list.Add(depth);
            }
            if (buffers > 1)
            {
                list.Add(5);
            }
            if (stencil > 1)
            {
                list.Add(13);
                list.Add(stencil);
            }
            if (accum.BitsPerPixel > 0)
            {
                list.Add(17);
                list.Add(accum.Alpha);
                list.Add(16);
                list.Add(accum.Blue);
                list.Add(15);
                list.Add(accum.Green);
                list.Add(14);
                list.Add(accum.Red);
            }
            if (samples > 0)
            {
                list.Add(55);
                list.Add(1);
                list.Add(56);
                list.Add(samples);
            }
            if (stereo)
            {
                list.Add(6);
            }
            list.Add(0);
            list.Add(0);
            IntPtr num = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, list.ToArray());

            if (num == IntPtr.Zero)
            {
                throw new GraphicsModeException(string.Format("[Error] Failed to select GraphicsMode, error {0}.", (object)Agl.GetError()));
            }
            else
            {
                return(num);
            }
        }
Example #4
0
        private void CreateContext(GraphicsMode mode, CarbonWindowInfo carbonWindow, IntPtr shareContextRef, bool fullscreen)
        {
            List <int> aglAttributes = new List <int>();

            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_RGBA);
            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_DOUBLEBUFFER);
            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_RED_SIZE, mode.ColorFormat.Red);
            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_GREEN_SIZE, mode.ColorFormat.Green);
            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_BLUE_SIZE, mode.ColorFormat.Blue);
            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ALPHA_SIZE, mode.ColorFormat.Alpha);
            if (mode.Depth > 0)
            {
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_DEPTH_SIZE, mode.Depth);
            }
            if (mode.Stencil > 0)
            {
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_STENCIL_SIZE, mode.Stencil);
            }
            if (mode.AccumulatorFormat.BitsPerPixel > 0)
            {
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_RED_SIZE, mode.AccumulatorFormat.Red);
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_GREEN_SIZE, mode.AccumulatorFormat.Green);
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_BLUE_SIZE, mode.AccumulatorFormat.Blue);
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_ACCUM_ALPHA_SIZE, mode.AccumulatorFormat.Alpha);
            }
            if (mode.Samples > 1)
            {
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_SAMPLE_BUFFERS_ARB, 1);
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_SAMPLES_ARB, mode.Samples);
            }
            if (fullscreen)
            {
                this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_FULLSCREEN);
            }
            this.AddPixelAttrib(aglAttributes, Agl.PixelFormatAttribute.AGL_NONE);
            int num = 0;

            while (num < aglAttributes.Count)
            {
                ++num;
            }
            IntPtr pix;

            if (fullscreen)
            {
                IntPtr displayID = this.GetQuartzDevice(carbonWindow);
                if (displayID == IntPtr.Zero)
                {
                    displayID = (IntPtr)DisplayDevice.Default.Id;
                }
                IntPtr   displayDevice;
                OSStatus gdeviceByDisplayId = API.DMGetGDeviceByDisplayID(displayID, out displayDevice, false);
                if (gdeviceByDisplayId != OSStatus.NoError)
                {
                    throw new MacOSException(gdeviceByDisplayId, "DMGetGDeviceByDisplayID failed.");
                }
                pix = Agl.aglChoosePixelFormat(ref displayDevice, 1, aglAttributes.ToArray());
                if (Agl.GetError() == Agl.AglError.BadPixelFormat)
                {
                    this.CreateContext(mode, carbonWindow, shareContextRef, false);
                    return;
                }
            }
            else
            {
                pix = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, aglAttributes.ToArray());
                this.MyAGLReportError("aglChoosePixelFormat");
            }
            this.Handle = new ContextHandle(Agl.aglCreateContext(pix, shareContextRef));
            this.MyAGLReportError("aglCreateContext");
            Agl.aglDestroyPixelFormat(pix);
            this.MyAGLReportError("aglDestroyPixelFormat");
            this.SetDrawable(carbonWindow);
            this.SetBufferRect(carbonWindow);
            this.Update((IWindowInfo)carbonWindow);
            this.MakeCurrent((IWindowInfo)carbonWindow);
        }
        private IntPtr SelectPixelFormat(ColorFormat color, int depth, int stencil, int samples,
                                         ColorFormat accum, int buffers, bool stereo)
        {
            var attribs = new List <int>();

            Debug.Print("Bits per pixel: {0}", color.BitsPerPixel);

            if (color.BitsPerPixel > 0)
            {
                if (!color.IsIndexed)
                {
                    attribs.Add((int)Agl.PixelFormatAttribute.AGL_RGBA);
                }

                attribs.Add((int)Agl.PixelFormatAttribute.AGL_RED_SIZE);
                attribs.Add(color.Red);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_GREEN_SIZE);
                attribs.Add(color.Green);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_BLUE_SIZE);
                attribs.Add(color.Blue);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_ALPHA_SIZE);
                attribs.Add(color.Alpha);
            }

            Debug.Print("Depth: {0}", depth);

            if (depth > 0)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_DEPTH_SIZE);
                attribs.Add(depth);
            }

            if (buffers > 1)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_DOUBLEBUFFER);
            }

            if (stencil > 0)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_STENCIL_SIZE);
                attribs.Add(stencil);
            }

            if (accum.BitsPerPixel > 0)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_ACCUM_ALPHA_SIZE);
                attribs.Add(accum.Alpha);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_ACCUM_BLUE_SIZE);
                attribs.Add(accum.Blue);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_ACCUM_GREEN_SIZE);
                attribs.Add(accum.Green);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_ACCUM_RED_SIZE);
                attribs.Add(accum.Red);
            }

            if (samples > 0)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_SAMPLE_BUFFERS_ARB);
                attribs.Add(1);
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_SAMPLES_ARB);
                attribs.Add(samples);
            }

            if (stereo)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_STEREO);
            }

            attribs.Add(0);
            attribs.Add(0);

            var pixelformat = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, attribs.ToArray());

            return(pixelformat);
        }
Example #6
0
        void CreateContext(GraphicsMode mode, CarbonWindowInfo carbonWindow, bool fullscreen)
        {
            List <int> attribs = new List <int>();

            attribs.Add((int)Agl.PixelFormatAttribute.AGL_RGBA);
            attribs.Add((int)Agl.PixelFormatAttribute.AGL_DOUBLEBUFFER);
            AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_RED_SIZE, mode.ColorFormat.Red);
            AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_GREEN_SIZE, mode.ColorFormat.Green);
            AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_BLUE_SIZE, mode.ColorFormat.Blue);
            AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_ALPHA_SIZE, mode.ColorFormat.Alpha);

            if (mode.Depth > 0)
            {
                AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_DEPTH_SIZE, mode.Depth);
            }

            if (mode.Stencil > 0)
            {
                AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_STENCIL_SIZE, mode.Stencil);
            }

            if (fullscreen)
            {
                attribs.Add((int)Agl.PixelFormatAttribute.AGL_FULLSCREEN);
            }
            attribs.Add((int)Agl.PixelFormatAttribute.AGL_NONE);

            Debug.Print("AGL Attribute array:  ");
            for (int i = 0; i < attribs.Count; i++)
            {
                Debug.Print(attribs[i].ToString() + "  ");
            }
            Debug.Print("");

            AGLPixelFormat aglPixelFormat;

            // Choose a pixel format with the attributes we specified.
            if (fullscreen)
            {
                IntPtr gdevice;
                IntPtr cgdevice = GetQuartzDevice(carbonWindow);

                if (cgdevice == IntPtr.Zero)
                {
                    cgdevice = QuartzDisplayDevice.MainDisplay;
                }

                OSStatus status = API.DMGetGDeviceByDisplayID(cgdevice, out gdevice, false);

                if (status != OSStatus.NoError)
                {
                    throw new MacOSException(status, "DMGetGDeviceByDisplayID failed.");
                }

                aglPixelFormat = Agl.aglChoosePixelFormat(ref gdevice, 1, attribs.ToArray());
                Agl.AglError err = Agl.aglGetError();

                if (err == Agl.AglError.BadPixelFormat)
                {
                    Debug.Print("Failed to create full screen pixel format.");
                    Debug.Print("Trying again to create a non-fullscreen pixel format.");

                    CreateContext(mode, carbonWindow, false);
                    return;
                }
            }
            else
            {
                aglPixelFormat = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, attribs.ToArray());
                Agl.CheckReturnValue(0, "aglChoosePixelFormat");
            }


            Debug.Print("Creating AGL context.");

            // create the context and share it with the share reference.
            ContextHandle = Agl.aglCreateContext(aglPixelFormat, IntPtr.Zero);
            Agl.CheckReturnValue(0, "aglCreateContext");

            // Free the pixel format from memory.
            Agl.aglDestroyPixelFormat(aglPixelFormat);
            Agl.CheckReturnValue(0, "aglDestroyPixelFormat");

            SetDrawable(carbonWindow);
            Update(carbonWindow);

            MakeCurrent(carbonWindow);

            Debug.Print("context: {0}", ContextHandle);
        }