// tested to 50K+ stars, tested updating a single one

        public void Create(GLItemsList items, GLRenderProgramSortedList rObjects, List <HistoryEntry> incomingsys, float sunsize, float tapesize,
                           GLStorageBlock bufferfindresults, bool depthtest)
        {
            this.sunsize   = sunsize;
            this.tapesize  = tapesize;
            this.depthtest = depthtest;

            unfilteredlist = incomingsys;

            IntCreatePath(items, rObjects, bufferfindresults);
        }
        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="buffer">Storage Buffer to place results in</param>
        /// <param name="maximumresultsp">Maximum number of results</param>
        /// <param name="forwardfacing">Triangles are forward facing</param>

        public GLPLGeoShaderFindTriangles(GLStorageBlock buffer, int maximumresultsp, bool forwardfacing = true)
        {
            maximumresults = maximumresultsp;
            int sizeneeded = 16 + sizeof(float) * 4 * maximumresults;

            if (buffer.Length < sizeneeded)
            {
                buffer.AllocateBytes(sizeneeded);
            }
            vecoutbuffer = buffer;
            CompileLink(ShaderType.GeometryShader, Code(false), auxname: GetType().Name,
                        constvalues: new object[] { "bindingoutdata", vecoutbuffer.BindingIndex, "maximumresults", maximumresults, "forwardfacing", forwardfacing });
        }
Beispiel #3
0
        // Demonstrate buffer feedback AND geo shader add vertex/dump vertex

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(170f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 20.0f);
            };

            // 16 vertexes, passed thru geo shader above

            GLStorageBlock storagebuffer = new GLStorageBlock(5);           // new storage block on binding index 5 to provide vertexes

            Vector4[] vertexes = new Vector4[16];
            for (int v = 0; v < vertexes.Length; v++)
            {
                vertexes[v] = new Vector4(v % 4, 0, v / 4, 1);
            }
            storagebuffer.AllocateFill(vertexes);

            items.Add(new ShaderT3(), "Shader");            // geo shader
            GLRenderState ri = GLRenderState.Points();

            rObjects.Add(items.Shader("Shader"), "T1", new GLRenderableItem(PrimitiveType.Points, ri, vertexes.Length, null, null, 1));

            // list of rejected by geoshader above

            rejectedbuffer = new GLStorageBlock(1);                                                                     // new storage block on binding index 1 for vector out
            rejectedbuffer.AllocateBytes(sizeof(float) * 4 * 128, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy); // set size of vec buffer
            countbuffer = new GLStorageBlock(2);                                                                        // new storage block on binding index 2 for count out
            countbuffer.AllocateBytes(sizeof(int), OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);                // set size to a int.

            // redrawer of rejected items

            items.Add(new GLShaderPipeline(new GLPLVertexShaderWorldCoord(), new GLPLFragmentShaderFixedColor(new Color4(0.9f, 0.0f, 0.0f, 1.0f))), "ResultShader");
            GLRenderState rs = GLRenderState.Points(30);

            redraw = GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rs, rejectedbuffer, 0);
            rObjects2.Add(items.Shader("ResultShader"), redraw);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0

            Closed += ShaderTest_Closed;
        }
        public void Create(GLItemsList items, GLRenderProgramSortedList rObjects, List <SystemClass> incomingsys, float bookmarksize, GLStorageBlock findbufferresults, bool depthtest)
        {
            if (ridisplay == null)
            {
                //var vert = new GLPLVertexScaleLookat(rotate: dorotate, rotateelevation: doelevation, commontransform: false, texcoords: true,      // a look at vertex shader
                //
                //                var vert = new GLPLVertexShaderWorldCoord();
                var vert = new GLPLVertexScaleLookat(rotatetoviewer: dorotate, rotateelevation: doelevation, texcoords: true, generateworldpos: true,
                                                     autoscale: 500, autoscalemin: 1f, autoscalemax: 20f);            // below 500, 1f, above 500, scale up to 20x


                const int texbindingpoint = 1;
                var       frag            = new GLPLFragmentShaderTexture(texbindingpoint); // binding - simple texturer based on vs model coords

                objectshader = new GLShaderPipeline(vert, null, null, null, frag);
                items.Add(objectshader);

                var objtex = items.NewTexture2D("Bookmarktex", TestOpenTk.Properties.Resources.dotted2, OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);

                objectshader.StartAction += (s, m) =>
                {
                    objtex.Bind(texbindingpoint);   // bind tex array to, matching above
                };

                bookmarkposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

                GLRenderState rt = GLRenderState.Tri();
                rt.DepthTest = depthtest;

                bookmarksize *= 10;

                // 0 is model pos, 1 is world pos by a buffer, 2 is tex co-ords
                ridisplay = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                         GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize), // quad2 4 vertexts as the model positions
                                                                         bookmarkposbuf, 0,                                                   // world positions come from here - not filled as yet
                                                                         GLShapeObjectFactory.TexTriStripQuad,
                                                                         ic: 0, seconddivisor: 1);

                rObjects.Add(objectshader, "bookmarks", ridisplay);

                var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);//, forwardfacing:false);
                findshader = items.NewShaderPipeline(null, vert, null, null, geofind, null, null, null);

                // hook to modelworldbuffer, at modelpos and worldpos.  UpdateEnables will fill in instance count
                rifind = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                      GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize),   // quad2 4 vertexts as the model positions
                                                                      bookmarkposbuf, 0,
                                                                      GLShapeObjectFactory.TexTriStripQuad,
                                                                      ic: 0, seconddivisor: 1);
            }

            bookmarkposbuf.AllocateFill(incomingsys.Select(x => new Vector4((float)x.X, (float)x.Y, (float)x.Z, 1)).ToArray());
            ridisplay.InstanceCount = rifind.InstanceCount = incomingsys.Count;
        }
Beispiel #5
0
        public void Start(GLWinFormControl glwfc)
        {
            this.glwfc = glwfc;

            matrixcalc = new GLMatrixCalc();
            matrixcalc.PerspectiveNearZDistance = 1f;
            matrixcalc.PerspectiveFarZDistance  = worldsize * 2;
            matrixcalc.InPerspectiveMode        = true;
            matrixcalc.ResizeViewPort(this, glwfc.Size);

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");                         // create a matrix uniform block

            displaycontrol           = new GLControlDisplay(items, glwfc, matrixcalc); // hook form to the window - its the master, it takes its size from mc.ScreenCoordMax
            displaycontrol.Focusable = true;                                           // we want to be able to focus and receive key presses.
            displaycontrol.Name      = "displaycontrol";
            displaycontrol.Font      = new Font("Arial", 12);

            gl3dcontroller = new Controller3Dd();
            gl3dcontroller.PaintObjects          = ControllerDraw;
            gl3dcontroller.ZoomDistance          = 20e6 * 1000 * mscaling; // zoom 1 is X km
            gl3dcontroller.PosCamera.ZoomMin     = 0.001f;
            gl3dcontroller.PosCamera.ZoomMax     = 300f;
            gl3dcontroller.PosCamera.ZoomScaling = 1.08f;
            gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3d(0, 0, 0), new Vector3d(135f, 0, 0f), 0.025F, registermouseui: false, registerkeyui: true);
            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                double eyedistr = Math.Pow(eyedist, 1.0);
                float  v        = (float)Math.Max(eyedistr / 1200, 0);
                //System.Diagnostics.Debug.WriteLine("Speed " + eyedistr + " "+ v);
                return((float)ms * v);
            };

            for (int i = 1; i <= 10; i++)
            {
                int    v = i * i;
                double f = (gl3dcontroller.PosCamera.ZoomMax - gl3dcontroller.PosCamera.ZoomMin) * v / 100.0 + gl3dcontroller.PosCamera.ZoomMin;
                System.Diagnostics.Debug.WriteLine($"{i} {v} {f}");
            }

            displaycontrol.Paint += (o, ts) =>        // subscribing after Controller start means we paint over the scene
            {
                // MCUB set up by Controller3DDraw which did the work first
                //     System.Diagnostics.Debug.WriteLine("Controls Draw");
                displaycontrol.Render(glwfc.RenderState, ts);
            };

            displaycontrol.MouseClick += MouseClickOnMap;       // grab mouse UI
            displaycontrol.MouseUp    += MouseUpOnMap;
            displaycontrol.MouseDown  += MouseDownOnMap;
            displaycontrol.MouseMove  += MouseMoveOnMap;
            displaycontrol.MouseWheel += MouseWheelOnMap;

            double  startspeed = 60 * 60 * 6; // in sec
            GLImage minus      = new GLImage("timeplus1y", new Rectangle(0, 0, 32, 32), Properties.Resources.GoBackward);

            minus.MouseClick += (e1, m1) => { currentjd -= 365; };
            displaycontrol.Add(minus);
            GLImage back = new GLImage("timeback", new Rectangle(40, 0, 32, 32), Properties.Resources.Backwards);

            back.MouseClick += (e1, m1) => { if (jdscaling > 0)
                                             {
                                                 jdscaling /= 2;
                                             }
                                             else if (jdscaling < 0)
                                             {
                                                 jdscaling *= 2;
                                             }
                                             else
                                             {
                                                 jdscaling = -startspeed;
                                             } };
            displaycontrol.Add(back);
            GLImage pause = new GLImage("timepause", new Rectangle(80, 0, 32, 32), Properties.Resources.Pause);

            pause.MouseClick += (e1, m1) => { jdscaling = 0; };
            displaycontrol.Add(pause);
            GLImage fwd = new GLImage("timefwd", new Rectangle(120, 0, 32, 32), Properties.Resources.Forward);

            fwd.MouseClick += (e1, m1) => { if (jdscaling < 0)
                                            {
                                                jdscaling /= 2;
                                            }
                                            else if (jdscaling > 0)
                                            {
                                                jdscaling *= 2;
                                            }
                                            else
                                            {
                                                jdscaling = startspeed;
                                            } };
            displaycontrol.Add(fwd);
            GLImage plus = new GLImage("timeplus1y", new Rectangle(160, 0, 32, 32), Properties.Resources.GoForward);

            plus.MouseClick += (e1, m1) => { currentjd += 365; };
            displaycontrol.Add(plus);

            GLImage sysleft = new GLImage("sysleft", new Rectangle(200, 0, 32, 32), Properties.Resources.GoBackward);

            sysleft.MouseClick += (e1, m1) => { DisplayNode(-1); };
            displaycontrol.Add(sysleft);

            mastersystem           = new GLLabel("sysname", new Rectangle(230, 6, 70, 20), "All", Color.DarkOrange);
            mastersystem.TextAlign = ContentAlignment.MiddleCenter;
            displaycontrol.Add(mastersystem);

            GLImage sysright = new GLImage("sysright", new Rectangle(300, 0, 32, 32), Properties.Resources.GoForward);

            sysright.MouseClick += (e1, m1) => { DisplayNode(1); };
            displaycontrol.Add(sysright);

            timedisplay = new GLLabel("state", new Rectangle(340, 6, 800, 20), "Label", Color.DarkOrange);
            displaycontrol.Add(timedisplay);

            datalabel           = new GLLabel("datalabel", new Rectangle(0, 40, 400, 100), "", Color.DarkOrange);
            datalabel.TextAlign = ContentAlignment.TopLeft;
            displaycontrol.Add(datalabel);

            status           = new GLLabel("Status", new Rectangle(0, 0, 2000, 24), "x");
            status.Dock      = DockingType.BottomLeft;
            status.ForeColor = Color.Orange;
            status.BackColor = Color.FromArgb(50, 50, 50, 50);
            displaycontrol.Add(status);

            rightclickmenubody = new GLContextMenu("RightClickMenuBody",
                                                   new GLMenuItem("RCMInfo", "Information")
            {
                MouseClick = (s, e) =>
                {
                }
            },
                                                   new GLMenuItem("RCMZoomIn", "Track")
            {
                MouseClick = (s, e) =>
                {
                    track = (int)rightclickmenubody.Tag;
                }
            },
                                                   new GLMenuItem("RCMZoomIn", "Track Central Body")
            {
                MouseClick = (s, e) =>
                {
                    int body = (int)rightclickmenubody.Tag;
                    if (bodyinfo[body].parentindex >= 0)
                    {
                        track = bodyinfo[body].parentindex;
                    }
                }
            },
                                                   new GLMenuItem("RCMZoomIn", "Zoom In")
            {
            },
                                                   new GLMenuItem("RCMUntrack", "Untrack")
            {
                MouseClick = (s1, e1) =>
                {
                    track = -1;
                }
            }
                                                   );

            rightclickmenubody.Opening += (ms, tag) =>
            {
                ms["RCMUntrack"].Enabled = track != -1;
            };

            rightclickmenuscreen = new GLContextMenu("RightClickMenuBody",
                                                     new GLMenuItem("RCMSysDisplay", "System Display")
            {
                MouseClick = (s, e) =>
                {
                }
            },
                                                     new GLMenuItem("RCMUntrack", "Untrack")
            {
                MouseClick = (s1, e1) =>
                {
                    track = -1;
                }
            }
                                                     );

            rightclickmenuscreen.Opening += (ms, tag) =>
            {
                ms["RCMUntrack"].Enabled = track != -1;
            };

            if (true)
            {
                var shader = new GLColorShaderWorld();
                items.Add(shader);

                GLRenderState lines = GLRenderState.Lines(1);
                lines.DepthTest = false;

                int gridsize   = (int)(worldsize * mscaling);
                int gridoffset = (int)(gridlines * mscaling);
                int nolines    = gridsize / gridoffset * 2 + 1;

                Color gridcolour = Color.FromArgb(80, 80, 80, 80);
                rObjects.Add(shader,
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-gridsize, -0, -gridsize), new Vector3(-gridsize, -0, gridsize), new Vector3(gridoffset, 0, 0), nolines),
                                                                  new Color4[] { gridcolour })
                             );


                rObjects.Add(shader,
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-gridsize, -0, -gridsize), new Vector3(gridsize, -0, -gridsize), new Vector3(0, 0, gridoffset), nolines),
                                                                  new Color4[] { gridcolour }));

                Size bmpsize = new Size(128, 30);
                var  maps    = new GLBitmaps("bitmap1", rObjects, bmpsize, 3, OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8, false, false);
                using (StringFormat fmt = new StringFormat(StringFormatFlags.NoWrap)
                {
                    Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Center
                })
                {
                    float hsize = 40e6f * 1000 * mscaling; // million km -> m -> scaling
                    float vsize = hsize * bmpsize.Height / bmpsize.Width;

                    Font f   = new Font("MS sans serif", 12f);
                    long pos = -nolines / 2 * (gridlines / 1000);
                    for (int i = -nolines / 2; i < nolines / 2; i++)
                    {
                        if (i != 0)
                        {
                            double v = Math.Abs(pos * 1000);
                            long   p = Math.Abs(pos);

                            maps.Add(i, (p).ToString("N0"), f, Color.White, Color.Transparent, new Vector3(i * gridoffset + hsize / 2, 0, vsize / 2),
                                     new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
                            maps.Add(i, (v / oneAU_m).ToString("N1") + "AU", f, Color.White, Color.Transparent, new Vector3(i * gridoffset + hsize / 2, 0, -vsize / 2),
                                     new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
                            maps.Add(i, (p).ToString("N0"), f, Color.White, Color.Transparent, new Vector3(hsize / 2, 0, i * gridoffset + vsize / 2),
                                     new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
                            maps.Add(i, (v / oneAU_m).ToString("N1") + "AU", f, Color.White, Color.Transparent, new Vector3(hsize / 2, 0, i * gridoffset - vsize / 2),
                                     new Vector3(hsize, 0, 0), new Vector3(0, 0, 0), fmt);
                        }
                        pos += 50000000;
                    }
                }
            }

            var orbitlinesvertshader = new GLPLVertexShaderModelWorldUniform(new Color[] { Color.FromArgb(128, 128, 0, 0), Color.FromArgb(128, 128, 128, 0) });

            orbitlineshader = new GLShaderPipeline(orbitlinesvertshader, new GLPLFragmentShaderVSColor());
            bodyplaneshader = new GLShaderPipeline(orbitlinesvertshader, new GLPLFragmentShaderVSColor());  // model pos in, with uniform world pos, vectors out, with vs_colour selected by worldpos.w

            // set up ARB IDs for all images we are going to use..
            var tbs   = items.NewBindlessTextureHandleBlock(arbblock);
            var texs  = items.NewTexture2D(null, Properties.Resources.golden, SizedInternalFormat.Rgba8);
            var texp  = items.NewTexture2D(null, Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8);
            var texb  = items.NewTexture2D(null, Properties.Resources.dotted, SizedInternalFormat.Rgba8);
            var texs2 = items.NewTexture2D(null, Properties.Resources.wooden, SizedInternalFormat.Rgba8);

            tbs.WriteHandles(new IGLTexture[] { texs, texp, texb, texs2 });

            // using 0 tex coord, 4 image id and arb text binding
            var bodyfragshader = new GLPLFragmentShaderBindlessTexture(arbblock, discardiftransparent: true, useprimidover2: false);

            // takes 0:Vector4 model, 1: vec2 text, 4:matrix, out is 0:tex, 1: modelpos, 2: instance, 4 = matrix[3][3]
            var bodyvertshader = new GLPLVertexShaderModelMatrixTexture(1000000 * 1000 * mscaling, useeyedistance: false);

            bodyshader = new GLShaderPipeline(bodyvertshader, bodyfragshader);
            items.Add(bodyshader);

            // hold shape
            var sphereshape = GLSphereObjectFactory.CreateTexturedSphereFromTriangles(3, 1.0f);

            spherebuffer = items.NewBuffer();      // fill buffer with model co-ords
            spherebuffer.AllocateFill(sphereshape.Item1);
            spheretexcobuffer = items.NewBuffer(); // fill buffer with tex coords
            spheretexcobuffer.AllocateFill(sphereshape.Item2);

            bodymatrixbuffer = items.NewBuffer();    // this holds the matrix to set position and size

            GLStorageBlock findbufferresults = items.NewStorageBlock(findblock);
            var            geofind           = new GLPLGeoShaderFindTriangles(findbufferresults, 16); // pass thru normal vert/tcs/tes then to geoshader for results

            findshader = items.NewShaderPipeline(null, bodyvertshader, null, null, geofind, null, null, null);
        }
        public GalaxyStars(GLItemsList items, GLRenderProgramSortedList rObjects, float sunsize, GLStorageBlock findbufferresults)
        {
            sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.FromArgb(255, 220, 220, 10), Color.FromArgb(255, 0, 0, 0) },
                                                                     autoscale: 50, autoscalemin: 1f, autoscalemax: 50f, useeyedistance: false);
            var sunfrag = new GLPLStarSurfaceFragmentShader();

            sunshader = items.NewShaderPipeline(null, sunvertex, sunfrag);

            shapebuf = items.NewBuffer(false);
            var shape = GLSphereObjectFactory.CreateSphereFromTriangles(2, sunsize);

            shapebuf.AllocateFill(shape);

            GLRenderState starrc = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear

            starrc.DepthTest  = true;
            starrc.DepthClamp = true;

            var textrc = GLRenderState.Quads();

            textrc.DepthTest          = true;
            textrc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

            int texunitspergroup = 16;
            var textshader       = items.NewShaderPipeline(null, new GLPLVertexShaderMatrixQuadTexture(), new GLPLFragmentShaderTexture2DIndexMulti(0, 0, true, texunitspergroup));

            slset = new GLSetOfObjectsWithLabels("SLSet", rObjects, texunitspergroup, 100, 10,
                                                 sunshader, shapebuf, shape.Length, starrc, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles,
                                                 textshader, new Size(128, 32), textrc, SizedInternalFormat.Rgba8);

            items.Add(slset);

            var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);

            findshader = items.NewShaderPipeline(null, sunvertex, null, null, geofind, null, null, null);
        }
        public void Start(GLOFC.WinForm.GLWinFormControl glwfc, GalacticMapping edsmmapping, GalacticMapping eliteregions)
        {
            this.glwfc        = glwfc;
            this.edsmmapping  = edsmmapping;
            this.elitemapping = eliteregions;

            hptimer.Start();

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // create a matrix uniform block

            int lyscale = 1;
            int front = -20000 / lyscale, back = front + 90000 / lyscale, left = -45000 / lyscale, right = left + 90000 / lyscale, vsize = 2000 / lyscale;

            if (false)     // debug bounding box
            {
                Vector4[] displaylines = new Vector4[]
                {
                    new Vector4(left, -vsize, front, 1), new Vector4(left, +vsize, front, 1),
                    new Vector4(left, +vsize, front, 1), new Vector4(right, +vsize, front, 1),
                    new Vector4(right, +vsize, front, 1), new Vector4(right, -vsize, front, 1),
                    new Vector4(right, -vsize, front, 1), new Vector4(left, -vsize, front, 1),

                    new Vector4(left, -vsize, back, 1), new Vector4(left, +vsize, back, 1),
                    new Vector4(left, +vsize, back, 1), new Vector4(right, +vsize, back, 1),
                    new Vector4(right, +vsize, back, 1), new Vector4(right, -vsize, back, 1),
                    new Vector4(right, -vsize, back, 1), new Vector4(left, -vsize, back, 1),

                    new Vector4(left, -vsize, front, 1), new Vector4(left, -vsize, back, 1),
                    new Vector4(left, +vsize, front, 1), new Vector4(left, +vsize, back, 1),
                    new Vector4(right, -vsize, front, 1), new Vector4(right, -vsize, back, 1),
                    new Vector4(right, +vsize, front, 1), new Vector4(right, +vsize, back, 1),
                };

                GLRenderState rl = GLRenderState.Lines(1);

                items.Add(new GLShaderPipeline(new GLPLVertexShaderWorldCoord(), new GLPLFragmentShaderFixedColor(Color.Yellow)), "LINEYELLOW");
                rObjects.Add(items.Shader("LINEYELLOW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines));

                items.Add(new GLColorShaderWorld(), "COS-1L");

                float h = 0;

                int   dist = 1000 / lyscale;
                Color cr   = Color.FromArgb(100, Color.White);
                rObjects.Add(items.Shader("COS-1L"),    // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(left, h, back), new Vector3(dist, 0, 0), (back - front) / dist + 1),
                                                                  new OpenTK.Graphics.Color4[] { cr })
                             );

                rObjects.Add(items.Shader("COS-1L"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(right, h, front), new Vector3(0, 0, dist), (right - left) / dist + 1),
                                                                  new OpenTK.Graphics.Color4[] { cr })
                             );

                rObjects.Add(new GLOperationClearDepthBuffer());
            }

            int ctrlo = 2048 | 32 | 64;

            ctrlo = -1;

            if ((ctrlo & 1) != 0) // galaxy
            {
                volumetricboundingbox = new Vector4[]
                {
                    new Vector4(left, -vsize, front, 1),
                    new Vector4(left, vsize, front, 1),
                    new Vector4(right, vsize, front, 1),
                    new Vector4(right, -vsize, front, 1),

                    new Vector4(left, -vsize, back, 1),
                    new Vector4(left, vsize, back, 1),
                    new Vector4(right, vsize, back, 1),
                    new Vector4(right, -vsize, back, 1),
                };


                const int gnoisetexbinding = 3;     //tex bindings are attached per shaders so are not global
                const int gdisttexbinding  = 4;
                const int galtexbinding    = 1;

                volumetricblock = new GLVolumetricUniformBlock(volumenticuniformblock);
                items.Add(volumetricblock, "VB");

                int         sc      = 1;
                GLTexture3D noise3d = new GLTexture3D(1024 * sc, 64 * sc, 1024 * sc, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f);                           // red channel only
                items.Add(noise3d, "Noise");
                ComputeShaderNoise3D csn = new ComputeShaderNoise3D(noise3d.Width, noise3d.Height, noise3d.Depth, 128 * sc, 16 * sc, 128 * sc, gnoisetexbinding); // must be a multiple of localgroupsize in csn
                csn.StartAction += (A, m) => { noise3d.BindImage(gnoisetexbinding); };
                csn.Run();                                                                                                                                        // compute noise
                csn.Dispose();

                GLTexture1D gaussiantex = new GLTexture1D(1024, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f); // red channel only
                items.Add(gaussiantex, "Gaussian");

                // set centre=width, higher widths means more curve, higher std dev compensate.
                // fill the gaussiantex with data
                ComputeShaderGaussian gsn = new ComputeShaderGaussian(gaussiantex.Width, 2.0f, 2.0f, 1.4f, gdisttexbinding);
                gsn.StartAction += (A, m) => { gaussiantex.BindImage(gdisttexbinding); };
                gsn.Run();      // compute noise
                gsn.Dispose();

                GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits);

                // load one upside down and horz flipped, because the volumetric co-ords are 0,0,0 bottom left, 1,1,1 top right
                GLTexture2D galtex = new GLTexture2D(Properties.Resources.Galaxy_L180, SizedInternalFormat.Rgba8);
                items.Add(galtex, "galtex");
                galaxyshader = new GalaxyShader(volumenticuniformblock, galtexbinding, gnoisetexbinding, gdisttexbinding);
                items.Add(galaxyshader, "Galaxy-sh");
                // bind the galaxy texture, the 3dnoise, and the gaussian 1-d texture for the shader
                galaxyshader.StartAction += (a, m) => { galtex.Bind(galtexbinding); noise3d.Bind(gnoisetexbinding); gaussiantex.Bind(gdisttexbinding); };      // shader requires these, so bind using shader

                GLRenderState rt = GLRenderState.Tri();
                galaxyrenderable = GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rt);   // no vertexes, all data from bound volumetric uniform, no instances as yet
                rObjects.Add(galaxyshader, "galshader", galaxyrenderable);
            }

            if ((ctrlo & 2) != 0)
            {
                var corr = new GalMapRegions.ManualCorrections[] {          // nerf the centeroid position slightly
                    new GalMapRegions.ManualCorrections("The Galactic Aphelion", y: -2000),
                    new GalMapRegions.ManualCorrections("The Abyss", y: +3000),
                    new GalMapRegions.ManualCorrections("Eurus", y: -3000),
                    new GalMapRegions.ManualCorrections("The Perseus Transit", x: -3000, y: -3000),
                    new GalMapRegions.ManualCorrections("Zephyrus", x: 0, y: 2000),
                };

                edsmgalmapregions = new GalMapRegions();
                edsmgalmapregions.CreateObjects("edsmregions", items, rObjects, edsmmapping, 8000, corr: corr);
            }

            if ((ctrlo & 4) != 0)
            {
                elitemapregions = new GalMapRegions();
                elitemapregions.CreateObjects("eliteregions", items, rObjects, eliteregions, 8000);
                EliteRegionsEnable = false;
            }

            if ((ctrlo & 8) != 0)
            {
                int    gran = 8;
                Bitmap img  = Properties.Resources.Galaxy_L180;
                Bitmap heat = img.Function(img.Width / gran, img.Height / gran, mode: GLOFC.Utils.BitMapHelpers.BitmapFunction.HeatMap);
                heat.Save(@"c:\code\heatmap.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

                Random rnd = new Random(23);

                GLBuffer buf = items.NewBuffer(16 * 350000, false); // since RND is fixed, should get the same number every time.
                buf.StartWrite(0);                                  // get a ptr to the whole schebang

                int xcw = (right - left) / heat.Width;
                int zch = (back - front) / heat.Height;

                int points = 0;

                for (int x = 0; x < heat.Width; x++)
                {
                    for (int z = 0; z < heat.Height; z++)
                    {
                        int i = heat.GetPixel(x, z).R;
                        if (i > 32)
                        {
                            int gx = left + x * xcw;
                            int gz = front + z * zch;

                            float  dx = (float)Math.Abs(gx) / 45000;
                            float  dz = (float)Math.Abs(25889 - gz) / 45000;
                            double d  = Math.Sqrt(dx * dx + dz * dz); // 0 - 0.1412
                            d = 1 - d;                                // 1 = centre, 0 = unit circle
                            d = d * 2 - 1;                            // -1 to +1
                            double dist = ObjectExtensionsNumbersBool.GaussianDist(d, 1, 1.4);

                            int c = Math.Min(Math.Max(i * i * i / 120000, 1), 40);
                            //int c = Math.Min(Math.Max(i * i * i / 24000000, 1), 40);

                            dist *= 2000 / lyscale;
                            //System.Diagnostics.Debug.WriteLine("{0} {1} : dist {2} c {3}", x, z, dist, c);
                            //System.Diagnostics.Debug.Write(c);
                            GLPointsFactory.RandomStars4(buf, c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: 0.8f);
                            points += c;
                            System.Diagnostics.Debug.Assert(points < buf.Length / 16);
                        }
                    }
                    //System.Diagnostics.Debug.WriteLine(".");
                }

                buf.StopReadWrite();

                stardots = new GalaxyStarDots();
                items.Add(stardots);
                GLRenderState rc = GLRenderState.Points(1);
                rc.DepthTest = false; // note, if this is true, there is a wierd different between left and right in view.. not sure why
                rObjects.Add(stardots, "stardots", GLRenderableItem.CreateVector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rc, buf, points));
                System.Diagnostics.Debug.WriteLine("Stars " + points);
            }

            rObjects.Add(new GLOperationClearDepthBuffer()); // clear depth buffer and now use full depth testing on the rest

            if ((ctrlo & 16) != 0)
            {
                items.Add(new GLTexture2D(Properties.Resources.StarFlare2, SizedInternalFormat.Rgba8), "lensflare");
                items.Add(new GLPointSpriteShader(items.Tex("lensflare"), 64, 40), "PS");
                var p = GLPointsFactory.RandomStars4(1000, 0, 25899 / lyscale, 10000 / lyscale, 1000 / lyscale, -1000 / lyscale);

                GLRenderState rps = GLRenderState.PointSprites();

                rObjects.Add(items.Shader("PS"), "starsprites", GLRenderableItem.CreateVector4Color4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rps, p, new Color4[] { Color.White }));
            }

            if ((ctrlo & 32) != 0)
            {
                gridvertshader = new DynamicGridVertexShader(Color.Cyan);
                //items.Add(gridvertshader, "PLGRIDVertShader");
                var frag = new GLPLFragmentShaderVSColor();
                //items.Add(frag, "PLGRIDFragShader");

                GLRenderState rl = GLRenderState.Lines(1);

                items.Add(new GLShaderPipeline(gridvertshader, frag), "DYNGRID");

                gridrenderable = GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.Lines, rl, drawcount: 2);

                rObjects.Add(items.Shader("DYNGRID"), "DYNGRIDRENDER", gridrenderable);
            }

            if ((ctrlo & 64) != 0)
            {
                gridbitmapvertshader = new DynamicGridCoordVertexShader();
                var frag = new GLPLFragmentShaderTexture2DIndexed(0);

                GLRenderState rl = GLRenderState.Tri(cullface: false);

                GLTexture2DArray gridtexcoords = new GLTexture2DArray();
                items.Add(gridtexcoords, "PLGridBitmapTextures");

                GLShaderPipeline sp = new GLShaderPipeline(gridbitmapvertshader, frag);
                items.Add(sp, "DYNGRIDBitmap");

                rObjects.Add(items.Shader("DYNGRIDBitmap"), "DYNGRIDBitmapRENDER", GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rl, drawcount: 4, instancecount: 9));
            }

            GLStorageBlock findresults = items.NewStorageBlock(findblock);

            float sunsize = .5f;

            if ((ctrlo & 128) != 0)
            {
                Random rnd = new Random(52);
                List <HistoryEntry> pos    = new List <HistoryEntry>();
                DateTime            start  = new DateTime(2020, 1, 1);
                Color[]             colors = new Color[] { Color.Red, Color.Green, Color.Blue, Color.White, Color.Black, Color.Purple, Color.Yellow };
                for (int j = 0; j <= 200; j++)
                {
                    Color  jc   = colors[j % colors.Length];
                    int    i    = j * 10;
                    string name = "Kyli Flyuae AA-B h" + j.ToString();
                    if (i < 30000)
                    {
                        pos.Add(new HistoryEntry(start, name, i + rnd.Next(50), rnd.Next(50), i, jc));
                    }
                    else if (i < 60000)
                    {
                        pos.Add(new HistoryEntry(start, name, 60000 - i + rnd.Next(50), rnd.Next(50), i, jc));
                    }
                    else if (i < 90000)
                    {
                        pos.Add(new HistoryEntry(start, name, -(i - 60000) + rnd.Next(50), rnd.Next(50), 120000 - i, jc));
                    }
                    else
                    {
                        pos.Add(new HistoryEntry(start, name, -30000 + (i - 90000) + rnd.Next(50), rnd.Next(50), -i + 120000, jc));
                    }

                    start = start.AddDays(1);
                }

                // tested to 50k stars

                travelpath = new TravelPath(1000);
                travelpath.Create(items, rObjects, pos, sunsize, sunsize, findresults, true);
                travelpath.SetSystem(0);
            }

            if ((ctrlo & 256) != 0)
            {
                galmapobjects = new GalMapObjects();
                galmapobjects.CreateObjects(items, rObjects, edsmmapping, findresults, true);
            }

            if ((ctrlo & 512) != 0)
            {
                //  galaxystars = new GalaxyStars(items, rObjects, sunsize, findresults);
            }

            if ((ctrlo & 1024) != 0)
            {
                rightclickmenu = new GLContextMenu("RightClickMenu",
                                                   new GLMenuItem("RCMInfo", "Information")
                {
                    MouseClick = (s, e) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        System.Diagnostics.Debug.WriteLine($"Info {nl.Item1} {nl.Item2}");
                        // logical name is important as menu uses it to close down
                        GLMessageBox msg = new GLMessageBox("InfoBoxForm-1", displaycontrol, e.WindowLocation,
                                                            nl.Item3, $"{nl.Item1} @ {nl.Item2.X:#.#},{nl.Item2.Y:#.#},{nl.Item2.Z:#.#}", GLMessageBox.MessageBoxButtons.OK, null,
                                                            Color.FromArgb(220, 60, 60, 70), Color.DarkOrange);
                    }
                },
                                                   new GLMenuItem("RCMZoomIn", "Goto Zoom In")
                {
                    MouseClick = (s1, e1) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        gl3dcontroller.SlewToPositionZoom(nl.Item2, 100, -1);
                    }
                },
                                                   new GLMenuItem("RCMGoto", "Goto Position")
                {
                    MouseClick = (s1, e1) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        System.Diagnostics.Debug.WriteLine($"Goto {nl.Item1} {nl.Item2}");
                        gl3dcontroller.SlewToPosition(nl.Item2, -1);
                    }
                },
                                                   new GLMenuItem("RCMLookAt", "Look At")
                {
                    MouseClick = (s1, e1) => {
                        var nl = NameLocationDescription(rightclickmenu.Tag);
                        gl3dcontroller.PanTo(nl.Item2, -1);
                    }
                }
                                                   );
            }

            if ((ctrlo & 2048) != 0)
            {
                bookmarks = new Bookmarks();
                var syslist = new List <SystemClass> {
                    new SystemClass("bk1", 1000, 0, 0), new SystemClass("bk1", 1000, 0, 2000),
                };
                bookmarks.Create(items, rObjects, syslist, 10, findresults, false);
            }
            // Matrix calc holding transform info

            matrixcalc = new GLMatrixCalc();
            matrixcalc.PerspectiveNearZDistance = 1f;
            matrixcalc.PerspectiveFarZDistance  = 120000f / lyscale;
            matrixcalc.InPerspectiveMode        = true;
            matrixcalc.ResizeViewPort(this, glwfc.Size);          // must establish size before starting

            // menu system

            displaycontrol           = new GLControlDisplay(items, glwfc, matrixcalc, true, 0.00001f, 0.00001f); // hook form to the window - its the master
            displaycontrol.Font      = new Font("Arial", 10f);
            displaycontrol.Focusable = true;                                                                     // we want to be able to focus and receive key presses.
            displaycontrol.SetFocus();

            // 3d controller

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PosCamera.ZoomMax     = 600; // gives 5ly
            gl3dcontroller.ZoomDistance          = 3000F / lyscale;
            gl3dcontroller.PosCamera.ZoomMin     = 0.1f;
            gl3dcontroller.PosCamera.ZoomScaling = 1.1f;
            gl3dcontroller.YHoldMovement         = true;
            gl3dcontroller.PaintObjects          = Controller3DDraw;
            gl3dcontroller.KeyboardTravelSpeed   = (ms, eyedist) =>
            {
                double eyedistr = Math.Pow(eyedist, 1.0);
                float  v        = (float)Math.Max(eyedistr / 1200, 0);
                //System.Diagnostics.Debug.WriteLine("Speed " + eyedistr + " "+ v);
                return((float)ms * v);
            };

            // hook gl3dcontroller to display control - its the slave. Do not register mouse UI, we will deal with that.
            gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3(0, 0, 0), new Vector3(140.75f, 0, 0), 0.5F, false, true);
            //gl3dcontroller.Start(matrixcalc, displaycontrol, new Vector3(0, 0, 0), new Vector3(90F, 0, 0), 0.5F, false, true);

            if (displaycontrol != null)
            {
                displaycontrol.Paint += (o, ts) =>        // subscribing after start means we paint over the scene, letting transparency work
                {
                    // MCUB set up by Controller3DDraw which did the work first
                    galaxymenu.UpdateCoords(gl3dcontroller.MatrixCalc, gl3dcontroller.PosCamera.ZoomFactor);
                    // debug this galaxymenu.DebugStatusText(gl3dcontroller.PosCamera.StringPositionCamera);  gl3dcontroller.PosCamera.SetPositionCamera(gl3dcontroller.PosCamera.StringPositionCamera);
                    displaycontrol.Animate(glwfc.ElapsedTimems);
                    displaycontrol.Render(glwfc.RenderState, ts);
                };
            }

            displaycontrol.MouseClick += MouseClickOnMap;
            displaycontrol.MouseUp    += MouseUpOnMap;
            displaycontrol.MouseDown  += MouseDownOnMap;
            displaycontrol.MouseMove  += MouseMoveOnMap;
            displaycontrol.MouseWheel += MouseWheelOnMap;

            galaxymenu = new MapMenu(this);

            // Autocomplete text box at top for searching

            GLTextBoxAutoComplete tbac = ((GLTextBoxAutoComplete)displaycontrol[MapMenu.EntryTextName]);

            tbac.PerformAutoCompleteInUIThread = (s, a, set) =>
            {
                System.Diagnostics.Debug.Assert(Application.MessageLoop);       // must be in UI thread
                var           glist = edsmmapping.galacticMapObjects.Where(x => s.Length < 3 ? x.name.StartsWith(s, StringComparison.InvariantCultureIgnoreCase) : x.name.Contains(s, StringComparison.InvariantCultureIgnoreCase)).Select(x => x).ToList();
                List <string> list  = glist.Select(x => x.name).ToList();
                list.AddRange(travelpath.CurrentList.Where(x => s.Length < 3 ? x.System.Name.StartsWith(s, StringComparison.InvariantCultureIgnoreCase) : x.System.Name.Contains(s, StringComparison.InvariantCultureIgnoreCase)).Select(x => x.System.Name));
                foreach (var x in list)
                {
                    set.Add(x);
                }
            };

            tbac.SelectedEntry = (a) =>                                   // in UI thread
            {
                System.Diagnostics.Debug.Assert(Application.MessageLoop); // must be in UI thread
                System.Diagnostics.Debug.WriteLine("Selected " + tbac.Text);
                var gmo = edsmmapping.galacticMapObjects.Find(x => x.name.Equals(tbac.Text, StringComparison.InvariantCultureIgnoreCase));
                if (gmo != null)
                {
                    System.Diagnostics.Debug.WriteLine("Move to gmo " + gmo.points[0]);
                    gl3dcontroller.SlewToPosition(new Vector3((float)gmo.points[0].X, (float)gmo.points[0].Y, (float)gmo.points[0].Z), -1);
                }
                else
                {
                    var he = travelpath.CurrentList.Find(x => x.System.Name.Equals(tbac.Text, StringComparison.InvariantCultureIgnoreCase));
                    if (he != null)
                    {
                        System.Diagnostics.Debug.WriteLine("Move to sys " + he.System.Name);
                        gl3dcontroller.SlewToPosition(new Vector3((float)he.System.X, (float)he.System.Y, (float)he.System.Z), -1);
                    }
                    else
                    {
                        tbac.InErrorCondition = true;
                    }
                }
            };

            if (galaxystars != null)
            {
                galaxystars.Start();
            }

            if (false)         // enable for debug buffer
            {
                debugbuffer = new GLStorageBlock(31, true);
                debugbuffer.AllocateBytes(32000, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);       // set size of vec buffer
            }

            if (false)          // enable for debug
            {
                items.Add(new GLColorShaderObjectTranslation(), "COSOT");
                GLRenderState rc = GLRenderState.Tri(cullface: false);
                rc.DepthTest = false;

                Vector3[] markers = new Vector3[] { new Vector3(0, 0, 0), new Vector3(0, -5, 0), new Vector3(0, -5 - 3.125f / 2f, 0) };

                for (int i = 0; i < markers.Length; i++)
                {
                    rObjects.Add(items.Shader("COSOT"), "marker" + i,
                                 GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                      GLCubeObjectFactory.CreateSolidCubeFromTriangles(0.5f),
                                                                      new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                      new GLRenderDataTranslationRotation(markers[i])
                                                                      ));
                }
            }
        }
Beispiel #8
0
        public void CreateObjects(GLItemsList items, GLRenderProgramSortedList rObjects, GalacticMapping galmap, GLStorageBlock findbufferresults, bool depthtest)
        {
            this.galmap = galmap;

            // first gets the images and make a 2d array texture for them

            Bitmap[] images = galmap.RenderableMapTypes.Select(x => x.Image as Bitmap).ToArray();
            // 256 is defined normal size
            var        objtex   = new GLTexture2DArray(images, bmpmipmaplevels: 1, wantedmipmaplevels: 3, texturesize: new Size(256, 256), internalformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8, alignment: ContentAlignment.BottomCenter);
            IGLTexture texarray = items.Add(objtex, "GalObjTex");

            // now build the shaders

            const int texbindingpoint = 1;
            var       vert            = new GLPLVertexScaleLookat(rotatetoviewer: dorotate, rotateelevation: doelevation, // a look at vertex shader
                                                                  autoscale: 500, autoscalemin: 1f, autoscalemax: 20f);   // below 500, 1f, above 500, scale up to 20x
            var tcs = new GLPLTesselationControl(40f);

            tes = new GLPLTesselationEvaluateSinewave(1f, 2f);                  // this uses the world position from the vertex scaler to position the image, w controls image + animation (b16)
            var frag = new GLPLFragmentShaderTexture2DDiscard(texbindingpoint); // binding - takes image pos from tes. imagepos < 0 means discard

            objectshader = new GLShaderPipeline(vert, tcs, tes, null, frag);
            items.Add(objectshader);

            objectshader.StartAction += (s, m) =>
            {
                texarray.Bind(texbindingpoint);   // bind tex array to, matching above
            };

            // now the RenderControl for the objects

            GLRenderState rt = GLRenderState.Patches(4);

            rt.DepthTest = depthtest;

            // create a quad and all entries of the renderable map objects, zero at this point, with a zero instance count. UpdateEnables will fill it in later
            // but we need to give it the maximum buffer length at this point

            const float objsize = 10.0f;        // size of object on screen

            ridisplay = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Patches, rt,
                                                              GLShapeObjectFactory.CreateQuadTriStrip(objsize, objsize), // quad2 4 vertexts
                                                              new Vector4[galmap.RenderableMapObjects.Length],           // world positions
                                                              ic: 0, seconddivisor: 1);

            modelworldbuffer = items.LastBuffer();
            int modelpos = modelworldbuffer.Positions[0];

            worldpos = modelworldbuffer.Positions[1];

            rObjects.Add(objectshader, "galmapobj", ridisplay);

            // add a find shader to look them up

            var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);

            findshader = items.NewShaderPipeline(null, vert, tcs, tes, geofind, null, null, null);


            // hook to modelworldbuffer, at modelpos and worldpos.  UpdateEnables will fill in instance count
            rifind = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Patches, GLRenderState.Patches(4), modelworldbuffer, modelpos, ridisplay.DrawCount,
                                                           modelworldbuffer, worldpos, null, ic: 0, seconddivisor: 1);

            GLStatics.Check();

            // Text renderer for the labels

            textrenderer = new GLBitmaps("bm-galmapobjects", rObjects, new Size(128, 40), depthtest: depthtest, cullface: false, textureformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);
            items.Add(textrenderer);

            // now make the text up for all the objects above

            using (Font fnt = new Font("Arial", 8.5F))
            {
                using (StringFormat fmt = new StringFormat())
                {
                    fmt.Alignment = StringAlignment.Center;

                    var renderablegalmapobjects = galmap.RenderableMapObjects; // list of enabled entries

                    List <Vector3> posset = new List <Vector3>();

                    float offscale = objsize * (0.5f + (float)textrenderer.BitmapSize.Height / (float)textrenderer.BitmapSize.Width / 2);       // this is the nominal centre of the text bitmap, offset in Y to the object

                    for (int i = 0; i < renderablegalmapobjects.Length; i++)
                    {
                        var   o      = renderablegalmapobjects[i];
                        float offset = -offscale;

                        for (int j = 0; j < i; j++)     // look up previous ones and see if we labeled it before
                        {
                            var d1   = new Vector3(o.points[0].X, o.points[0].Y + offset, o.points[0].Z);
                            var d2   = posset[j];   // where it was placed.
                            var diff = d1 - d2;

                            if (diff.Length < offscale) // close
                            {
                                if (offset > 0)         // if offset is positive, flip below and increase again
                                {
                                    offset = -offset - offscale;
                                }
                                else
                                {
                                    offset *= -1;       // flip over top
                                }
                                // System.Diagnostics.Debug.WriteLine($"close {renderablegalmapobjects[i].name} {d1} to {renderablegalmapobjects[j].name} {d2} {diff} select {offset}");
                            }
                        }

                        Vector3 pos = new Vector3(o.points[0].X, o.points[0].Y + offset, o.points[0].Z);
                        posset.Add(pos);
                        //System.Diagnostics.Debug.WriteLine($"{renderablegalmapobjects[i].name} at {pos} {offset}");

                        textrenderer.Add(o.id, o.name, fnt,
                                         Color.White, Color.FromArgb(0, 255, 0, 255),
                                         pos,
                                         new Vector3(objsize, 0, 0), new Vector3(0, 0, 0), textformat: fmt, rotatetoviewer: dorotate, rotateelevation: doelevation,
                                         alphafadescalar: -100, alphafadepos: 500); // fade in, alpha = 0 at >500, 1 at 400
                    }
                }
            }

            UpdateEnables();      // fill in worldpos's and update instance count, taking into
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(180f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 50.0f);
            };


            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                items.Add(new GLColorShaderWorld(), "COSW");

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(-100, 0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(100, 0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green }));
            }

            var vert   = new GLPLVertexShaderModelCoordWithWorldTranslationCommonModelTranslation2();
            var frag   = new GLPLFragmentShaderVSColor();
            var shader = new GLShaderPipeline(vert, frag);

            items.Add(shader, "TRI");

            var vecp4 = new Vector4[] { new Vector4(0, 0, 0, 1), new Vector4(10, 0, 0, 1), new Vector4(10, 0, 10, 1),
                                        new Vector4(-20, 0, 0, 1), new Vector4(-10, 0, 0, 1), new Vector4(-10, 0, 10, 1) };

            var wpp4 = new Vector4[] { new Vector4(0, 0, 0, 0), new Vector4(0, 0, 12, 0) };

            GLRenderState rc = GLRenderState.Tri();

            rObjects.Add(items.Shader("TRI"), "scopen", GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, rc, vecp4, wpp4, ic: 2, seconddivisor: 1));

            var uniformbuf = new GLUniformBlock(20);

            uniformbuf.AllocateBytes(1024);
            uniformbuf.StartWrite(0);
            uniformbuf.Write(0);
            uniformbuf.Write(new float[2] {
                0.5f, 0.9f
            });                                                 // demo vec4 alignment and stride
            uniformbuf.StopReadWrite();

            var storagebuf = new GLStorageBlock(21, true);

            storagebuf.AllocateBytes(1024);
            storagebuf.StartWrite(0);
            storagebuf.Write(0);
            storagebuf.Write(new float[2] {
                0.2f, 0.9f
            });
            storagebuf.StopReadWrite();

            Closed += ShaderTest_Closed;
        }
Beispiel #10
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            //GLStatics.EnableDebug(DebugProc);

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 500000f;
            gl3dcontroller.ZoomDistance  = 5000F;
            gl3dcontroller.YHoldMovement = true;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms * 10.0f);
            };

            gl3dcontroller.MatrixCalc.InPerspectiveMode = true;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, -35000), new Vector3(135f, 0, 0), 0.31622F);


            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl1 = GLRenderState.Lines(1);

            float h = -1;

            if (h != -1)
            {
                Color cr = Color.FromArgb(60, Color.Gray);
                rObjects.Add(items.Shader("COS-1L"),    // horizontal
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-35000, h, -35000), new Vector3(-35000, h, 35000), new Vector3(1000, 0, 0), 70),
                                                                  new Color4[] { cr })
                             );

                rObjects.Add(items.Shader("COS-1L"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-35000, h, -35000), new Vector3(35000, h, -35000), new Vector3(0, 0, 1000), 70),
                                                                  new Color4[] { cr })
                             );
            }

            int hsize = 35000, vsize = 2000, zsize = 35000;

            {
                int       left = -hsize, right = hsize, bottom = -vsize, top = +vsize, front = -zsize, back = zsize;
                Vector4[] lines2 = new Vector4[]
                {
                    new Vector4(left, bottom, front, 1), new Vector4(left, top, front, 1),
                    new Vector4(left, top, front, 1), new Vector4(right, top, front, 1),
                    new Vector4(right, top, front, 1), new Vector4(right, bottom, front, 1),
                    new Vector4(right, bottom, front, 1), new Vector4(left, bottom, front, 1),

                    new Vector4(left, bottom, back, 1), new Vector4(left, top, back, 1),
                    new Vector4(left, top, back, 1), new Vector4(right, top, back, 1),
                    new Vector4(right, top, back, 1), new Vector4(right, bottom, back, 1),
                    new Vector4(right, bottom, back, 1), new Vector4(left, bottom, back, 1),

                    new Vector4(left, bottom, front, 1), new Vector4(left, bottom, back, 1),
                    new Vector4(left, top, front, 1), new Vector4(left, top, back, 1),
                    new Vector4(right, bottom, front, 1), new Vector4(right, bottom, back, 1),
                    new Vector4(right, top, front, 1), new Vector4(right, top, back, 1),
                };

                items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW");
                rObjects.Add(items.Shader("LINEYELLOW"),
                             GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl1, lines2));
            }

            // bounding box

            boundingbox = new Vector4[]
            {
                new Vector4(-hsize, -vsize, -zsize, 1),
                new Vector4(-hsize, vsize, -zsize, 1),
                new Vector4(hsize, vsize, -zsize, 1),
                new Vector4(hsize, -vsize, -zsize, 1),

                new Vector4(-hsize, -vsize, zsize, 1),
                new Vector4(-hsize, vsize, zsize, 1),
                new Vector4(hsize, vsize, zsize, 1),
                new Vector4(hsize, -vsize, zsize, 1),
            };

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // create a matrix uniform block

            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back

            atomicbuffer = items.NewAtomicBlock(6);
            atomicbuffer.AllocateBytes(sizeof(float) * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);

            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 256, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back

            volumetricblock = new GLVolumetricUniformBlock();
            items.Add(volumetricblock, "VB");

            {
                Bitmap[]  numbers    = new Bitmap[70];
                Matrix4[] numberpos  = new Matrix4[numbers.Length];
                Matrix4[] numberpos2 = new Matrix4[numbers.Length];

                Font fnt = new Font("Arial", 20);

                for (int i = 0; i < numbers.Length; i++)
                {
                    int v = -35000 + i * 1000;
                    numbers[i] = new Bitmap(100, 100);
                    GLOFC.Utils.BitMapHelpers.DrawTextCentreIntoBitmap(ref numbers[i], v.ToString(), fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.Red, Color.AliceBlue);

                    numberpos[i]   = Matrix4.CreateScale(1);
                    numberpos[i]  *= Matrix4.CreateRotationX(-25f.Radians());
                    numberpos[i]  *= Matrix4.CreateTranslation(new Vector3(35500, 0, v));
                    numberpos2[i]  = Matrix4.CreateScale(1);
                    numberpos2[i] *= Matrix4.CreateRotationX(-25f.Radians());
                    numberpos2[i] *= Matrix4.CreateTranslation(new Vector3(v, 0, -35500));
                }

                GLTexture2DArray array = new GLTexture2DArray(numbers, SizedInternalFormat.Rgba8, ownbmp: true);
                items.Add(array, "Nums");
                items.Add(new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0)), "IC-2");

                GLRenderState       rq = GLRenderState.Quads(cullface: false);
                GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("Nums"));

                rObjects.Add(items.Shader("IC-2"), "1-b",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberpos,
                                                                          rt, numberpos.Length));

                rObjects.Add(items.Shader("IC-2"), "1-b2",
                             GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq,
                                                                          GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberpos2,
                                                                          rt, numberpos.Length));
            }

            GLTexture3D noise3d = new GLTexture3D(1024, 64, 1024, OpenTK.Graphics.OpenGL4.SizedInternalFormat.R32f); // red channel only

            //{     // shows program fill
            //    for (int ly = 0; ly < noise3d.Depth; ly++)
            //    {
            //        float[] fd = new float[noise3d.Width * noise3d.Height];
            //        float[] fdi = new float[noise3d.Width * noise3d.Height];
            //        for (int x = 0; x < noise3d.Width; x++)
            //        {
            //            for (int y = 0; y < noise3d.Height; y++)
            //            {
            //                int p = (y * noise3d.Width + x) * 1;

            //                float xv = (float)x / (float)noise3d.Width;
            //                float yv = (float)y / (float)noise3d.Height;

            //                var c = ((Math.Sin(2 * Math.PI * xv) / 2) + 0.5);
            //                c += ((Math.Cos(2 * Math.PI * yv) / 2) + 0.5);

            //                c /= 2;

            //                fd[p + 0] = (float)(c);
            //                fdi[p + 0] = 1.0f-(float)(c);
            //            }
            //        }

            //        noise3d.StoreZPlane(ly, 0, 0, noise3d.Width, noise3d.Height, fd, OpenTK.Graphics.OpenGL4.PixelFormat.Red);        // only a single float per pixel, stored in RED

            //    }
            //}

            ShaderNoiseDisplay ns = new ShaderNoiseDisplay();

            ns.StartAction += (a, m) => { noise3d.Bind(3); };
            items.Add(ns, "NS");
            GLRenderState rv = GLRenderState.Tri();

            noisebox = GLRenderableItem.CreateNullVertex(OpenTK.Graphics.OpenGL4.PrimitiveType.Points, rv);   // no vertexes, all data from bound volumetric uniform, no instances as yet

            rObjects.Add(items.Shader("NS"), noisebox);

            // make a compute shader noise and run it, to fill up noise3d buffer

            ComputeShaderNoise csn = new ComputeShaderNoise(noise3d.Width, noise3d.Height, noise3d.Depth, 32, 4, 32);       // must be a multiple of localgroupsize in csn

            csn.StartAction += (A, m) => { noise3d.BindImage(3); };
            items.Add(csn, "CE1");
            GLComputeShaderList p = new GLComputeShaderList();      // demonstrate a render list holding a compute shader.

            p.Add(csn);
            p.Run();        // run the shader to compute into the noise3d block the noise.
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(180f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 50.0f);
            };

            glwfc.MouseDown += mousedown;

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                items.Add(new GLColorShaderWorld(), "COSW");

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(-100, 0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 0, -100), new Vector3(100, 0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green }));
            }

            var vert   = new GLPLVertexShaderModelCoordWorldAutoscale();
            var frag   = new GLPLFragmentShaderFixedColor(Color.Yellow);
            var shader = new GLShaderPipeline(vert, frag);

            items.Add(shader, "TRI");

            var triangles = new Vector4[] { new Vector4(0, 0, 0, 1), new Vector4(10, 0, 0, 1), new Vector4(10, 0, 10, 1),
                                            new Vector4(-20, 0, 0, 1), new Vector4(-10, 0, 0, 1), new Vector4(-10, 0, 10, 1) };

            var worldpos = new Vector4[] { new Vector4(0, 0, 0, 0), new Vector4(0, 0, 12, 0) };

            GLRenderState rc = GLRenderState.Tri();

            rObjects.Add(items.Shader("TRI"), "scopen", GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, rc, triangles, worldpos, ic: 2, seconddivisor: 1));

            // demo shared find block, a problem in the past with the previous interface

            GLStorageBlock findblock = new GLStorageBlock(11);

            findshader1 = items.NewShaderPipeline("FS", new GLPLVertexShaderModelCoordWorldAutoscale(), null, null, new GLPLGeoShaderFindTriangles(findblock, 16), null, null, null);
            findrender1 = GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, GLRenderState.Tri(), triangles, worldpos, ic: 2, seconddivisor: 1);

            findshader2 = items.NewShaderPipeline("FS2", new GLPLVertexShaderModelCoordWorldAutoscale(), null, null, new GLPLGeoShaderFindTriangles(findblock, 16), null, null, null);
            findrender2 = GLRenderableItem.CreateVector4Vector4Buf2(items, PrimitiveType.Triangles, GLRenderState.Tri(), triangles, worldpos, ic: 2, seconddivisor: 1);

            Closed += ShaderTest_Closed;
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 100F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            glwfc.BackColor = Color.FromArgb(0, 0, 20);
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(120f, 0, 0f), 1F);
            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 20.0f);
            };

            // this bit is eye candy just to show its working

            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl = GLRenderState.Lines(1);

            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(-40, 0, 40), new Vector3(10, 0, 0), 9),
                                                              new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                         );


            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(40, 0, -40), new Vector3(0, 0, 10), 9),
                                                              new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                         );


            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEX");

            GLRenderState rt = GLRenderState.Tri();

            rObjects.Add(items.Shader("TEX"), "sphere7",
                         GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rt,
                                                               GLSphereObjectFactory.CreateTexturedSphereFromTriangles(4, 20.0f),
                                                               new GLRenderDataTranslationRotationTexture(items.Tex("moon"), new Vector3(0, 0, 0))
                                                               ));


            // Pass vertex data thru a vertex shader which stores into a block

            items.Add(new GLShaderPipeline(new GLVertexShaderCompute()), "N1");

            vecoutbuffer = new GLStorageBlock(1);                                                                                // new storage block on binding index 1 which the vertex shader uses
            vecoutbuffer.AllocateBytes(sizeof(float) * 2048 + sizeof(int), OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy); // set size of vec buffer

            //Vector4[] data = new Vector4[] {
            //    new Vector4(1, 2, 3, 0),
            //    new Vector4(4, 5, 6, 0)
            //};

            Vector4[] data = GLSphereObjectFactory.CreateSphereFromTriangles(0, 1.0f);

            GLRenderState rp = GLRenderState.Points();

            rObjects.Add(items.Shader("N1"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, data));

            for (double ang = -Math.PI / 2; ang <= Math.PI / 2 + 0.1; ang += 0.1)
            {
                Vector3 pos         = new Vector3((float)Math.Cos(ang), (float)Math.Sin(ang), 0);
                Vector3 up          = new Vector3(0, 1, 0);
                float   dotp        = Vector3.Dot(up, pos);
                float   lens        = (float)(up.Length * pos.Length);
                double  computedang = Math.Acos(dotp / lens);
                System.Diagnostics.Debug.WriteLine(ang.Degrees() + " " + pos + "-> dotp" + dotp + " " + computedang.Degrees());
            }

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");      // def binding of 0
        }
Beispiel #13
0
        public void Start(GLItemsList items, GLRenderProgramSortedList rObjects, float bookmarksize, GLStorageBlock findbufferresults, bool depthtest)
        {
            var vert = new GLPLVertexScaleLookat(rotatetoviewer: dorotate, rotateelevation: doelevation, texcoords: true, generateworldpos: true,
                                                 autoscale: 30, autoscalemin: 1f, autoscalemax: 30f);            // above autoscale, 1f

            const int texbindingpoint = 1;
            var       frag            = new GLPLFragmentShaderTexture(texbindingpoint); // binding - simple texturer based on vs model coords

            objectshader = new GLShaderPipeline(vert, null, null, null, frag);
            items.Add(objectshader);

            var objtex = items.NewTexture2D("Bookmarktex", BaseUtils.Icons.IconSet.GetBitmap("GalMap.Bookmark"), OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);

            objectshader.StartAction += (s, m) =>
            {
                objtex.Bind(texbindingpoint);   // bind tex array to, matching above
            };

            bookmarkposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

            GLRenderState rt = GLRenderState.Tri();

            rt.DepthTest = depthtest;

            // 0 is model pos, 1 is world pos by a buffer, 2 is tex co-ords
            ridisplay = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                     GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize), // quad2 4 vertexts as the model positions
                                                                     bookmarkposbuf, 0,                                                   // world positions come from here - not filled as yet
                                                                     GLShapeObjectFactory.TexTriStripQuad,
                                                                     ic: 0, seconddivisor: 1);

            rObjects.Add(objectshader, "bookmarks", ridisplay);

            var geofind = new GLPLGeoShaderFindTriangles(findbufferresults, 16);//, forwardfacing:false);

            findshader = items.NewShaderPipeline(null, vert, null, null, geofind, null, null, null);

            // hook to modelworldbuffer, at modelpos and worldpos.  UpdateEnables will fill in instance count
            rifind = GLRenderableItem.CreateVector4Vector4Vector2(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rt,
                                                                  GLShapeObjectFactory.CreateQuadTriStrip(bookmarksize, bookmarksize),   // quad2 4 vertexts as the model positions
                                                                  bookmarkposbuf, 0,
                                                                  GLShapeObjectFactory.TexTriStripQuad,
                                                                  ic: 0, seconddivisor: 1);
        }
Beispiel #14
0
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);
            glwfc.MouseClick += GLMouseClick;

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 40.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");

            #region coloured lines

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed })
                             );


                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed }));
            }

            #endregion

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;

                rObjects.Add(items.Shader("COSOT"), "scopen",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 0, 20))
                                                                  ));
            }

            #endregion

            var sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.FromArgb(255, 220, 220, 10), Color.FromArgb(255, 0, 0, 0) });
            items.Add(sunvertex);
            var sunshader = new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader());
            items.Add(sunshader);
            var shapebuf = new GLBuffer();
            items.Add(shapebuf);
            var shape = GLSphereObjectFactory.CreateSphereFromTriangles(1, 0.5f);
            shapebuf.AllocateFill(shape);

            GLStorageBlock block = new GLStorageBlock(20);
            findshader = items.NewShaderPipeline(null, sunvertex, null, null, new GLPLGeoShaderFindTriangles(block, 16), null, null, null);

            int texunitspergroup = 16;      // opengl minimum texture units per frag shader

            //var textshader = new GLShaderPipeline(new GLPLVertexShaderQuadTextureWithMatrixTranslation(), new GLPLFragmentShaderTexture2DIndexedMulti(0,0,true, texunitspergroup));
            var textshader = new TextShader(texunitspergroup);
            items.Add(textshader);
            Font fnt = new Font("MS sans serif", 16f);

            if (true)
            {
                int maxstars = 1000;    // this is an aspriation, depends on fragmentation of the system

                dataindirectbuffer = new GLVertexBufferIndirect(items, maxstars * (GLBuffer.Vec4size + GLBuffer.Mat4size), GLBuffer.WriteIndirectArrayStride * 100, true);
                var textarray = new GLTexture2DArray(128, 32, maxstars, SizedInternalFormat.Rgba8);

                int SectorSize = 10;

                {
                    Vector3   pos   = new Vector3(-20, 0, -15);
                    Vector4[] array = new Vector4[10];
                    Random    rnd   = new Random(23);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                    }
                    dataindirectbuffer.Fill(array, 0, array.Length, 0, shape.Length, 0, array.Length, -1);

                    Matrix4[] matrix = new Matrix4[array.Length];
                    for (int i = 0; i < array.Length; i++)
                    {
                        int imgpos = textarray.DepthIndex;
                        textarray.DrawText("A" + i, fnt, Color.White, Color.Blue, -1);
                        var mat = GLPLVertexShaderMatrixQuadTexture.CreateMatrix(new Vector3(array[i].X, array[i].Y + 0.6f, array[i].Z),
                                                                                 new Vector3(1, 0, 0.2f),
                                                                                 new Vector3(-90F.Radians(), 0, 0),
                                                                                 imagepos: imgpos);
                        matrix[i] = mat;
                    }

                    dataindirectbuffer.Vertex.AlignMat4();          // instancing counts in mat4 sizes (mat4 0 @0, mat4 1 @ 64 etc) so align to it
                    dataindirectbuffer.Fill(matrix, 0, matrix.Length, 1, 4, 0, array.Length, -1);
                }

                if (true)
                {
                    Vector3   pos   = new Vector3(-20, 0, 0);
                    Vector4[] array = new Vector4[5];
                    Random    rnd   = new Random(23);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                    }
                    dataindirectbuffer.Fill(array, 0, array.Length, 0, shape.Length, 0, array.Length, -1);
                }

                if (true)
                {
                    Vector3   pos   = new Vector3(-20, 0, 15);
                    Vector4[] array = new Vector4[10];
                    Random    rnd   = new Random(23);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                    }
                    dataindirectbuffer.Fill(array, 0, array.Length, 0, shape.Length, 0, array.Length, -1);

                    Matrix4[] matrix = new Matrix4[array.Length];
                    for (int i = 0; i < array.Length; i++)
                    {
                        int imgpos = textarray.DepthIndex;
                        textarray.DrawText("C" + i, fnt, Color.White, Color.Red, -1);
                        var mat = GLPLVertexShaderMatrixQuadTexture.CreateMatrix(new Vector3(array[i].X, array[i].Y + 0.6f, array[i].Z),
                                                                                 new Vector3(1, 0, 0.2f),
                                                                                 new Vector3(-90F.Radians(), 0, 0),
                                                                                 imagepos: imgpos);
                        matrix[i] = mat;
                    }

                    dataindirectbuffer.Vertex.AlignMat4();          // instancing countis in mat4 sizes (mat4 0 @0, mat4 1 @ 64 etc) so align to it
                    dataindirectbuffer.Fill(matrix, 0, matrix.Length, 1, 4, 0, array.Length, -1);
                }


                int[]   indirectints0 = dataindirectbuffer.Indirects[0].ReadInts(0, 12);
                int[]   indirectints1 = dataindirectbuffer.Indirects[1].ReadInts(0, 4);
                float[] worldpos      = dataindirectbuffer.Vertex.ReadFloats(0, 3 * 2 * 4);

                if (true)
                {
                    GLRenderState rt = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                    rt.DepthTest  = true;
                    rt.DepthClamp = true;

                    var renderer = GLRenderableItem.CreateVector4Vector4(items, PrimitiveType.Triangles, rt,
                                                                         shapebuf, 0, 0,               // binding 0 is shapebuf, offset 0, no draw count
                                                                         dataindirectbuffer.Vertex, 0, // binding 1 is vertex's world positions, offset 0
                                                                         null, 0, 1);                  // no ic, second divisor 1
                    renderer.IndirectBuffer       = dataindirectbuffer.Indirects[0];
                    renderer.BaseIndexOffset      = 0;                                                 // offset in bytes where commands are stored
                    renderer.DrawCount            = 3;
                    renderer.MultiDrawCountStride = GLBuffer.WriteIndirectArrayStride;

                    rObjects.Add(sunshader, "sunshader", renderer);
                }

                if (true)
                {
                    var rc = GLRenderState.Quads();
                    rc.CullFace           = true;
                    rc.DepthTest          = true;
                    rc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

                    var renderer = GLRenderableItem.CreateMatrix4(items, PrimitiveType.Quads, rc,
                                                                  dataindirectbuffer.Vertex, 0, 0, //attach buffer with matrices, no draw count
                                                                  new GLRenderDataTexture(textarray, 0),
                                                                  0, 1);                           //no ic, and matrix divide so 1 matrix per vertex set
                    renderer.IndirectBuffer       = dataindirectbuffer.Indirects[1];
                    renderer.BaseIndexOffset      = 0;                                             // offset in bytes where commands are stored
                    renderer.DrawCount            = 2;
                    renderer.MultiDrawCountStride = GLBuffer.WriteIndirectArrayStride;

                    rObjects.Add(textshader, "textshader", renderer);
                }
            }

            if (true)
            {
                GLRenderState starrc = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                starrc.DepthTest  = true;
                starrc.DepthClamp = true;

                var textrc = GLRenderState.Quads();
                textrc.DepthTest          = true;
                textrc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

                sl = new GLObjectsWithLabels();
                var ris = sl.Create(texunitspergroup, 50, 50, shapebuf, shape.Length, starrc, PrimitiveType.Triangles, new Size(128, 32), textrc, SizedInternalFormat.Rgba8, 3);
                rObjects.Add(sunshader, "SLsunshade", ris.Item1);
                rObjects.Add(textshader, "SLtextshade", ris.Item2);
                items.Add(sl);

                int SectorSize = 10;
                {
                    Vector3   pos   = new Vector3(0, 0, -15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "A.r" + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(sl.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    List <GLObjectsWithLabels.BlockRef> bref = new List <GLObjectsWithLabels.BlockRef>();
                    sl.Add(array, mats, bmps, bref);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
                {
                    Vector3   pos   = new Vector3(0, 0, 0);
                    Vector4[] array = new Vector4[20];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "B." + i;
                    }

                    List <GLObjectsWithLabels.BlockRef> bref = new List <GLObjectsWithLabels.BlockRef>();
                    sl.Add(array, text, fnt, Color.White, Color.DarkBlue, new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false, null, 0.5f, new Vector3(0, 0.6f, 0), bref);
                }
                {
                    Vector3   pos   = new Vector3(0, 0, 15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "C." + i;
                    }

                    List <GLObjectsWithLabels.BlockRef> bref = new List <GLObjectsWithLabels.BlockRef>();
                    sl.Add(array, text, fnt, Color.White, Color.DarkBlue, new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false, null, 0.5f, new Vector3(0, 0.6f, 0), bref);
                }

                System.Diagnostics.Debug.WriteLine($"Sets {sl.Blocks} Removed {sl.BlocksRemoved}");
            }

            // Sets of..

            if (true)
            {
                GLRenderState starrc = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                starrc.DepthTest  = true;
                starrc.DepthClamp = true;

                var textrc = GLRenderState.Quads();
                textrc.DepthTest          = true;
                textrc.ClipDistanceEnable = 1;  // we are going to cull primitives which are deleted

                slset = new GLSetOfObjectsWithLabels("SLSet", rObjects, true ? 4 : texunitspergroup,
                                                     50, 10,
                                                     sunshader, shapebuf, shape.Length, starrc, PrimitiveType.Triangles,
                                                     textshader, new Size(128, 32), textrc, SizedInternalFormat.Rgba8,
                                                     3);
                items.Add(slset);

                int SectorSize = 10;
                {
                    Vector3   pos   = new Vector3(20, 0, -15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "S.A.r" + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(slset.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    slset.Add("GA", text, array, mats, bmps);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
                {
                    Vector3   pos   = new Vector3(20, 0, 0);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "S.B." + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(slset.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    slset.Add("GB", text, array, mats, bmps);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
                {
                    Vector3   pos   = new Vector3(20, 0, 15);
                    Vector4[] array = new Vector4[10];
                    string[]  text  = new string[array.Length];
                    Random    rnd   = new Random(31);
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = new Vector4(pos.X + rnd.Next(SectorSize), pos.Y + rnd.Next(SectorSize), pos.Z + rnd.Next(SectorSize), 0);
                        text[i]  = "S.C." + i;
                    }

                    var mats = GLPLVertexShaderMatrixQuadTexture.CreateMatrices(array, new Vector3(0, 0.6f, 0), new Vector3(2f, 0, 0.4f), new Vector3(-90F.Radians(), 0, 0), true, false);
                    var bmps = GLOFC.Utils.BitMapHelpers.DrawTextIntoFixedSizeBitmaps(slset.LabelSize, text, fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.White, Color.DarkBlue, 0.5f);

                    slset.Add("GC", text, array, mats, bmps);
                    GLOFC.Utils.BitMapHelpers.Dispose(bmps);
                }
            }

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Closed += ShaderTest_Closed;

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.ZoomDistance = 100F;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
            glwfc.BackColor = Color.FromArgb(0, 0, 20);
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(120f, 0, 0f), 1F);
            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 20.0f);
            };

            // this bit is eye candy just to show its working

            items.Add(new GLColorShaderWorld(), "COSW");
            GLRenderState rl = GLRenderState.Lines(1);

            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(-40, 0, 40), new Vector3(10, 0, 0), 9),
                                                              new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                         );


            rObjects.Add(items.Shader("COSW"),
                         GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-40, 0, -40), new Vector3(40, 0, -40), new Vector3(0, 0, 10), 9),
                                                              new Color4[] { Color.Red, Color.Red, Color.Green, Color.Green })
                         );


            items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");
            items.Add(new GLTexturedShaderObjectTranslation(), "TEX");

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            // Pass vertex data thru a vertex shader which stores into a block

            vecoutbuffer = new GLStorageBlock(30, true);
            vecoutbuffer.AllocateBytes(32000, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicCopy);       // set size of vec buffer

            ComputeShader csn = new ComputeShader();

            csn.Run();
            GLMemoryBarrier.All();

            // test consistency between row/columns of matrix4 of code and glsl
            int count = vecoutbuffer.ReadInt(0);

            System.Diagnostics.Debug.WriteLine("Count is " + count);

            {
                float[] mat4 = vecoutbuffer.ReadFloats(16, 16);
                System.Diagnostics.Debug.WriteLine("Compare mat4 constructor via order of floats:");
                for (int i = 0; i < mat4.Length; i++)
                {
                    System.Diagnostics.Debug.Write(string.Format("{0} = {1}, ", i, mat4[i]));
                }
                System.Diagnostics.Debug.WriteLine("");
            }

            {
                Vector2[] vec2 = vecoutbuffer.ReadVector2s(4, 2);
                System.Diagnostics.Debug.WriteLine($"Vec2a = inc {vec2[0].X.Degrees()} az {vec2[0].Y.Degrees()}");
            }

            Matrix4[] mat4r = vecoutbuffer.ReadMatrix4s(32, 32); // read all matrixes

            System.Diagnostics.Debug.WriteLine("Test mat constructor =" + Environment.NewLine + mat4r[0].ToString());
            System.Diagnostics.Debug.WriteLine("Row0 is " + mat4r[0].Row0.ToString());
            System.Diagnostics.Debug.WriteLine("Should be 20000 = " + mat4r[0][2, 3]);

            int id = 1;

            System.Diagnostics.Debug.WriteLine("Identity matrix = " + Environment.NewLine + mat4r[id++].ToString());

            {
                Matrix4 xrotpi4 = Matrix4.CreateRotationX(0.7853f);     // demo that Matrix4.Create is the same values as mat4rotatex
                System.Diagnostics.Debug.WriteLine("Rotate X Pi/4 =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], xrotpi4) + Environment.NewLine + mat4r[id].ToString());
                id++;
            }

            {
                Matrix4 yrotpi4 = Matrix4.CreateRotationY(0.7853f);
                System.Diagnostics.Debug.WriteLine("Rotate Y Pi/4 =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], yrotpi4) + Environment.NewLine + mat4r[id].ToString());
                id++;
            }

            {
                Matrix4 zrotpi4 = Matrix4.CreateRotationZ(0.7853f);
                System.Diagnostics.Debug.WriteLine("Rotate Z Pi/4 =" + GLStaticsMatrix4.ApproxEquals(mat4r[4], zrotpi4) + Environment.NewLine + mat4r[4].ToString());
                id++;
            }

            {   // test:
                //Matrix4 xrot = Matrix4.CreateRotationX((float)(Math.PI / 2));
                //Matrix4 r1 = new Matrix4(0, 0, 0, 0,
                //                         0, 0, 0, 0,
                //                         0, 0, 1, 0,
                //                         0, 0, 0, 1);
                //r1 = new Matrix4(new Matrix3())
                //Matrix4 r2 = r1 * xrot;
                //System.Diagnostics.Debug.WriteLine($"rotate z=+1 around x by 90\n{r1}\n{r2} ");
            }
            // X Y
            {
                Matrix4 xrot = Matrix4.CreateRotationX(0.7853f);     // demo that Matrix4.Create is the same values as mat4rotatex
                Matrix4 yrot = Matrix4.CreateRotationY(0.5f);
                Matrix4 res  = Matrix4.Identity;
                res = res * xrot;
                res = res * yrot;
                System.Diagnostics.Debug.WriteLine("Rotate XY Manu =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], res) + Environment.NewLine + mat4r[id].ToString());
                id++;
                System.Diagnostics.Debug.WriteLine("Rotate XY Auto =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], res) + Environment.NewLine + mat4r[id].ToString());
                id++;
                res = Matrix4.Identity;
                res = res * yrot;
                res = res * xrot;
                System.Diagnostics.Debug.WriteLine("Rotate YX Manu =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], res) + Environment.NewLine + mat4r[id].ToString());
                id++;
                System.Diagnostics.Debug.WriteLine("Rotate YX Auto =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], res) + Environment.NewLine + mat4r[id].ToString());
                id++;
            }

            // mat4 translation
            {
                Matrix4 trans = Matrix4.CreateTranslation(10, 20, 30);
                System.Diagnostics.Debug.WriteLine("Translation =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], trans) + Environment.NewLine + mat4r[id].ToString());
                id++;
            }

            // mat4translation with matrix
            {
                Matrix4 yrot05       = Matrix4.CreateRotationY(0.5f);
                Matrix4 trans        = Matrix4.CreateTranslation(10, 20, 30);
                Matrix4 rotplustrans = Matrix4.Mult(yrot05, trans);
                System.Diagnostics.Debug.WriteLine("Rot Translation =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], rotplustrans) + Environment.NewLine + mat4r[id].ToString());
                id++;
            }

            {
                Matrix4 trans   = Matrix4.CreateTranslation(10, 20, 30);
                Matrix4 rotxm90 = Matrix4.CreateRotationX(-90f.Radians());
                Matrix4 roty90  = Matrix4.CreateRotationY(90f.Radians());
                Matrix4 mscale  = Matrix4.CreateScale(1, 2, 3);

                Matrix4 res = Matrix4.Identity;
                res = res * mscale;
                res = res * rotxm90;
                res = res * roty90;
                res = res * trans;
                System.Diagnostics.Debug.WriteLine("Trans rot scale =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], res) + Environment.NewLine + mat4r[id].ToString());
                id++;
                //System.Diagnostics.Debug.WriteLine(transrotscale.ToString());

                System.Diagnostics.Debug.WriteLine("Trans rot scale2 =" + GLStaticsMatrix4.ApproxEquals(mat4r[id], res) + Environment.NewLine + mat4r[id].ToString());
                id++;
            }


            Vector4[] vec4r = vecoutbuffer.ReadVector4s(32 + 13 * 64, 2); // read all vec4 (N matrices between)

            {
                System.Diagnostics.Debug.WriteLine($"Vec4 {vec4r[0]}");
            }



            {
                StringMatrix rox = new StringMatrix("1", "0", "0", "0",
                                                    "0", "cx", "sx", "0",
                                                    "0", "-sx", "cx", "0",
                                                    "0", "0", "0", "1");
                StringMatrix roxm90 = new StringMatrix("1", "0", "0", "0",
                                                       "0", "0", "-1", "0",
                                                       "0", "1", "0", "0",
                                                       "0", "0", "0", "1");
                StringMatrix roy = new StringMatrix("cy", "0", "-sy", "0",
                                                    "0", "1", "0", "0",
                                                    "sy", "0", "cy", "0",
                                                    "0", "0", "0", "1");
                StringMatrix res = StringMatrix.Mult(roxm90, roy);
                string       r   = res.ToString(true);
                System.Diagnostics.Debug.WriteLine($"{r}");
                r = res.ToList();
                System.Diagnostics.Debug.WriteLine($"{r}");

                res = StringMatrix.Mult(rox, roy);
                r   = res.ToString(true);
                System.Diagnostics.Debug.WriteLine($"{r}");

                StringVector4 v4a   = new StringVector4("a", "-1", "c", "d");
                StringVector4 resv4 = StringMatrix.Mult(rox, v4a);
                r = resv4.ToString(true);
                System.Diagnostics.Debug.WriteLine($"{r}");
            }


            //    System.Di
            //    agnostics.Debug.WriteLine(rotplustransscale.ToString());
        }
        private void IntCreatePath(GLItemsList items, GLRenderProgramSortedList rObjects, GLStorageBlock bufferfindresults)
        {
            HistoryEntry lastone = lastpos != -1 && lastpos < currentfilteredlist.Count ? currentfilteredlist[lastpos] : null;  // see if lastpos is there, and store it

            if (TravelPathEndDateEnable || TravelPathStartDateEnable)
            {
                currentfilteredlist = unfilteredlist.Where(x => (!TravelPathStartDateEnable || x.EventTimeUTC >= TravelPathStartDate) && (!TravelPathEndDateEnable || x.EventTimeUTC <= TravelPathEndDate)).ToList();
                if (currentfilteredlist.Count > MaxStars)
                {
                    currentfilteredlist = currentfilteredlist.Skip(currentfilteredlist.Count - MaxStars).ToList();
                }
            }
            else
            {
                if (unfilteredlist.Count > MaxStars)
                {
                    currentfilteredlist = unfilteredlist.Skip(currentfilteredlist.Count - MaxStars).ToList();
                }
                else
                {
                    currentfilteredlist = unfilteredlist;
                }
            }

            // do date filter on currentfilteredlist

            lastpos = lastone == null ? -1 : currentfilteredlist.IndexOf(lastone);        // may be -1, may have been removed

            var   positionsv4 = currentfilteredlist.Select(x => new Vector4((float)x.System.X, (float)x.System.Y, (float)x.System.Z, 0)).ToArray();
            var   colours     = currentfilteredlist.Select(x => x.JumpColor).ToArray();
            float seglen      = tapesize * 10;

            // a tape is a set of points (item1) and indexes to select them (item2), so we need an element index in the renderer to use.
            var tape = GLTapeObjectFactory.CreateTape(positionsv4, colours, tapesize, seglen, 0F.Radians(), margin: sunsize * 1.2f);

            if (ritape == null) // first time..
            {
                // first the tape

                var tapetex = new GLTexture2D(Properties.Resources.chevron, internalformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);        // tape image
                items.Add(tapetex);
                tapetex.SetSamplerMode(OpenTK.Graphics.OpenGL4.TextureWrapMode.Repeat, OpenTK.Graphics.OpenGL4.TextureWrapMode.Repeat);

                tapefrag = new GLPLFragmentShaderTextureTriStripColorReplace(1, Color.FromArgb(255, 206, 0, 0));
                var vert = new GLPLVertexShaderWorldTextureTriStrip();
                tapeshader = new GLShaderPipeline(vert, tapefrag);
                items.Add(tapeshader);

                GLRenderState rts = GLRenderState.Tri(tape.Item3, cullface: false); // set up a Tri strip, primitive restart value set from tape, no culling
                rts.DepthTest = depthtest;                                          // no depth test so always appears

                // now the renderer, set up with the render control, tape as the points, and bind a RenderDataTexture so the texture gets binded each time
                ritape         = GLRenderableItem.CreateVector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rts, tape.Item1.ToArray(), new GLRenderDataTexture(tapetex));
                tapepointbuf   = items.LastBuffer();                                            // keep buffer for refill
                ritape.Visible = tape.Item1.Count > 0;                                          // no items, set not visible, so it won't except over the BIND with nothing in the element buffer

                ritape.CreateElementIndex(items.NewBuffer(), tape.Item2.ToArray(), tape.Item3); // finally, we are using index to select vertexes, so create an index

                rObjects.Add(tapeshader, "travelpath-tape", ritape);                            // add render to object list

                // now the stars

                starposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

                starposbuf.AllocateFill(positionsv4);
                //Vector4[] vectors = starposbuf.ReadVector4s(0, starposbuf.Length / 16);

                sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Yellow, Color.FromArgb(255, 230, 230, 1) },
                                                                         autoscale: 30, autoscalemin: 1f, autoscalemax: 2f, useeyedistance: false); // below scale, 1f, above scale, scale up to x times (eyedist/scale)
                sunshader = new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader());
                items.Add(sunshader);

                var shape = GLSphereObjectFactory.CreateSphereFromTriangles(2, sunsize);

                GLRenderState rt = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear
                rt.DepthTest  = depthtest;
                rt.DepthClamp = true;
                renderersun   = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, rt, shape, starposbuf, 0, null, currentfilteredlist.Count, 1);
                rObjects.Add(sunshader, "travelpath-suns", renderersun);

                // find compute

                var geofind = new GLPLGeoShaderFindTriangles(bufferfindresults, 16);
                findshader = items.NewShaderPipeline(null, sunvertex, null, null, geofind, null, null, null);
                rifind     = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, GLRenderState.Tri(), shape, starposbuf, ic: currentfilteredlist.Count, seconddivisor: 1);

                // Sun names, handled by textrenderer
                textrenderer = new GLBitmaps("bm-travelmap", rObjects, new Size(128, 40), depthtest: depthtest, cullface: false);
                items.Add(textrenderer);
            }
            else
            {
                tapepointbuf.AllocateFill(tape.Item1.ToArray());                                       // replace the points with a new one
                ritape.RenderState.PrimitiveRestart = GL4Statics.DrawElementsRestartValue(tape.Item3); // IMPORTANT missing bit Robert, must set the primitive restart value to the new tape size
                ritape.CreateElementIndex(ritape.ElementBuffer, tape.Item2.ToArray(), tape.Item3);     // update the element buffer
                ritape.Visible = tape.Item1.Count > 0;

                starposbuf.AllocateFill(positionsv4);           // and update the star position buffers so find and sun renderer works
                renderersun.InstanceCount = positionsv4.Length; // update the number of suns to draw.

                rifind.InstanceCount = positionsv4.Length;      // update the find list
            }

            // name bitmaps

            HashSet <object> hashset = new HashSet <object>(currentfilteredlist);       // so it can find it quickly

            textrenderer.CurrentGeneration++;                                           // setup for next generation
            textrenderer.RemoveGeneration(textrenderer.CurrentGeneration - 1, hashset); // and remove all of the previous one which are not in hashset.

            Font fnt = new Font("Arial", 8.5F);

            using (StringFormat fmt = new StringFormat())
            {
                fmt.Alignment = StringAlignment.Center;
                foreach (var isys in currentfilteredlist)
                {
                    if (textrenderer.Exist(isys) == false)                   // if does not exist already, need a new label
                    {
                        textrenderer.Add(isys, isys.System.Name, fnt, Color.White, Color.Transparent, new Vector3((float)isys.System.X, (float)isys.System.Y - 5, (float)isys.System.Z),
                                         new Vector3(20, 0, 0), new Vector3(0, 0, 0), textformat: fmt, rotatetoviewer: true, rotateelevation: false, alphafadescalar: -200, alphafadepos: 300);
                    }
                }
            }

            fnt.Dispose();
        }
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Closed += ShaderTest_Closed;

            var ext = GLStatics.Extensions();

            gl3dcontroller = new Controller3D();
            gl3dcontroller.PaintObjects = ControllerDraw;
            gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f;
            gl3dcontroller.MatrixCalc.PerspectiveFarZDistance  = 1000f;
            gl3dcontroller.ZoomDistance = 20F;
            gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(110f, 0, 0f), 1F);

            gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
            {
                return((float)ms / 100.0f);
            };

            items.Add(new GLColorShaderWorld(), "COSW");
            items.Add(new GLColorShaderObjectTranslation(), "COSOT");

            items.Add(new GLTexturedShaderObjectTranslation(), "TEXOT");

            {
                Bitmap bmp       = new Bitmap(Properties.Resources.dotted2); // demo argb copy
                byte[] argbbytes = bmp.GetARGBBytes();
                Bitmap copy      = GLOFC.Utils.BitMapHelpers.CreateBitmapFromARGBBytes(bmp.Width, bmp.Height, argbbytes);
                var    tex       = new GLTexture2D(copy, SizedInternalFormat.Rgba8);
                items.Add(tex, "dotted2");
                Bitmap bmp2 = tex.GetBitmap(inverty: false);
                bmp2.Save(@"c:\code\dotted2.bmp");
            }

            #region coloured lines

            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(5);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.White, Color.Red, Color.DarkRed, Color.DarkRed })
                             );

                GLRenderState lines2 = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines2,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Orange, Color.Blue, Color.DarkRed, Color.DarkRed }));
            }
            if (true)
            {
                GLRenderState lines = GLRenderState.Lines(1);

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );

                rObjects.Add(items.Shader("COSW"),
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                                  GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                                  new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange })
                             );
            }

            #endregion

            #region Coloured triangles
            if (true)
            {
                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;

                rObjects.Add(items.Shader("COSOT"), "scopen",
                             GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                                  GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                                  new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                                  new GLRenderDataTranslationRotation(new Vector3(10, 3, 20))
                                                                  ));
            }

            #endregion

            #region Matrix Calc Uniform

            items.Add(new GLMatrixCalcUniformBlock(), "MCUB");     // def binding of 0

            #endregion

            #region FB

            GLTexture2D ctex = new GLTexture2D();
            items.Add(ctex, "drawnbitmap");

            if (true)
            {
                int width = 1024, height = 768;

                // set up FB
                // NOTE: things end up inverted in Y in the texture, this is because textures are bottom up structures - seems the internet agrees

                GLFrameBuffer fb = new GLFrameBuffer();

                // attach a texture to draw to
                ctex.CreateOrUpdateTexture(width, height, OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8, 1);
                ctex.SetMinMagLinear();
                fb.AttachColor(ctex, 0, 0);

                GLRenderBuffer rb = new GLRenderBuffer();
                items.Add(rb);
                rb.Allocate(RenderbufferStorage.DepthComponent32f, ctex.Width, ctex.Height);
                fb.AttachDepth(rb);

                // bind Framebuffer to system for it to be the target to draw to, with a default back colour
                fb.BindColor(new OpenTK.Graphics.Color4(40, 40, 40, 255));

                GLMatrixCalc mc = new GLMatrixCalc();
                mc.PerspectiveNearZDistance = 1f;
                mc.PerspectiveFarZDistance  = 1000f;
                mc.ResizeViewPort(this, new Size(ctex.Width, ctex.Height));
                Vector3 lookat    = new Vector3(0, 0, 0);
                Vector2 camerapos = new Vector2(110f, 0);
                mc.CalculateModelMatrix(lookat, camerapos, 20F, 0);
                mc.CalculateProjectionMatrix();

                ((GLMatrixCalcUniformBlock)items.UB("MCUB")).SetFull(mc);

                var renderState = GLRenderState.Start();

                Vector4[] p = new Vector4[4];

                int size   = 64;
                int offset = 10;
                p[0] = new Vector4(offset, offset, 0, 1);               // topleft - correct winding for our system. For dotted, red/blue at top as dots
                p[1] = new Vector4(offset, offset + size, 0, 1);        // bottomleft
                p[2] = new Vector4(offset + size, offset, 0, 1);        // topright
                p[3] = new Vector4(offset + size, offset + size, 0, 1); // botright

                items.Add(new GLDirect(), "fbds1");

                GLRenderState       rts = GLRenderState.Tri();
                GLRenderDataTexture rdt = new GLRenderDataTexture(items.Tex("dotted2"));
                var ri = GLRenderableItem.CreateVector4(items, PrimitiveType.TriangleStrip, rts, p, rdt);
                ri.Execute(items.Shader("fbds1"), renderState, mc);

                GLRenderState lines = GLRenderState.Lines(1);

                var l1 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(-100, -0, 100), new Vector3(10, 0, 0), 21),
                                                              new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed });

                l1.Execute(items.Shader("COSW"), renderState, mc);

                var l2 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, -0, -100), new Vector3(100, -0, -100), new Vector3(0, 0, 10), 21),
                                                              new Color4[] { Color.Red, Color.Red, Color.DarkRed, Color.DarkRed });

                l2.Execute(items.Shader("COSW"), renderState, mc);

                var l3 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(-100, 10, 100), new Vector3(10, 0, 0), 21),
                                                              new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange });

                l3.Execute(items.Shader("COSW"), renderState, mc);
                var l4 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, lines,
                                                              GLShapeObjectFactory.CreateLines(new Vector3(-100, 10, -100), new Vector3(100, 10, -100), new Vector3(0, 0, 10), 21),
                                                              new Color4[] { Color.Yellow, Color.Orange, Color.Yellow, Color.Orange });
                l4.Execute(items.Shader("COSW"), renderState, mc);

                GLRenderState rc = GLRenderState.Tri();
                rc.CullFace = false;
                var ri2 = GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Triangles, rc,
                                                               GLCubeObjectFactory.CreateSolidCubeFromTriangles(5f),
                                                               new Color4[] { Color4.Red, Color4.Green, Color4.Blue, Color4.White, Color4.Cyan, Color4.Orange },
                                                               new GLRenderDataTranslationRotation(new Vector3(10, 3, 20)));
                ri2.Execute(items.Shader("COSOT"), renderState, mc);

                GLRenderState rq = GLRenderState.Quads();

                var ri3 = GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rq,
                                                                GLShapeObjectFactory.CreateQuad(5f, 5f, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(10, 0, 0)));

                ri3.Execute(items.Shader("TEXOT"), renderState, mc);

                GLFrameBuffer.UnBind();
                gl3dcontroller.MatrixCalc.SetViewPort();        // restore the view port

                byte[] texdatab = ctex.GetTextureImageAs <byte>(OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, 0, true);
                Bitmap bmp      = GLOFC.Utils.BitMapHelpers.CreateBitmapFromARGBBytes(ctex.Width, ctex.Height, texdatab);
                bmp.Save(@"c:\code\out.bmp");
            }

            #endregion


            if (true)
            {
                Vector4[] p = new Vector4[4];

                int size   = 128;
                int offset = 10;
                p[0] = new Vector4(offset, offset, 0, 1);               // topleft - correct winding for our system. For dotted, red/blue at top as dots
                p[1] = new Vector4(offset, offset + size, 0, 1);        // bottomleft
                p[2] = new Vector4(offset + size, offset, 0, 1);        // topright
                p[3] = new Vector4(offset + size, offset + size, 0, 1); // botright

                items.Add(new GLDirect(), "ds1");

                GLRenderState       rts = GLRenderState.Tri();
                GLRenderDataTexture rdt = new GLRenderDataTexture(items.Tex("dotted2"));

                rObjects.Add(items.Shader("ds1"), "ds1", GLRenderableItem.CreateVector4(items, PrimitiveType.TriangleStrip, rts, p, rdt));
            }

            if (true)
            {
                GLRenderState rq = GLRenderState.Quads();

                float width  = 20F;
                float height = 20F / ctex.Width * ctex.Height;

                // TexQuadInv corrects for the inverted FB texture
                rObjects.Add(items.Shader("TEXOT"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(width, height, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCCW,
                                                                   new GLRenderDataTranslationRotationTexture(ctex, new Vector3(-15, 0, 10))
                                                                   ));
            }

            if (true)
            {
                GLRenderState rq = GLRenderState.Quads();
                rObjects.Add(items.Shader("TEXOT"),
                             GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq,
                                                                   GLShapeObjectFactory.CreateQuad(5f, 5f, new Vector3(-90F.Radians(), 0, 0)), GLShapeObjectFactory.TexQuadCW,
                                                                   new GLRenderDataTranslationRotationTexture(items.Tex("dotted2"), new Vector3(10, 0, 0))
                                                                   ));
            }


            dataoutbuffer = items.NewStorageBlock(5);
            dataoutbuffer.AllocateBytes(sizeof(float) * 4 * 32, OpenTK.Graphics.OpenGL4.BufferUsageHint.DynamicRead);    // 32 vec4 back
        }
Beispiel #18
0
        public void Start(string name, int maxstars, float sunsize, float tapesize, GLStorageBlock bufferfindresults, bool depthtest, GLItemsList items, GLRenderProgramSortedList rObjects)
        {
            this.MaxStars = maxstars;
            this.tapesize = tapesize;
            this.sunsize  = sunsize;

            // first the tape

            var tapetex = new GLTexture2D(BaseUtils.Icons.IconSet.GetBitmap("GalMap.chevron"), internalformat: OpenTK.Graphics.OpenGL4.SizedInternalFormat.Rgba8);        // tape image

            items.Add(tapetex);
            tapetex.SetSamplerMode(OpenTK.Graphics.OpenGL4.TextureWrapMode.Repeat, OpenTK.Graphics.OpenGL4.TextureWrapMode.Repeat);

            // configure the fragger, set the replacement color, and set the distance where the replacement color is used for all pixels
            tapefrag = new GLPLFragmentShaderTextureTriStripColorReplace(1, Color.FromArgb(255, 206, 0, 0), 1000);
            // create the vertex shader with the autoscale required
            var vert = new GLPLVertexShaderWorldTextureTriStripNorm(100, 1, 10000);

            vert.SetWidth(tapesize);        // set the nominal tape width

            tapeshader = new GLShaderPipeline(vert, tapefrag);
            items.Add(tapeshader);

            GLRenderState rts = GLRenderState.Tri(OpenTK.Graphics.OpenGL4.DrawElementsType.UnsignedByte, cullface: false); // set up a Tri strip, Default primitive restart

            rts.DepthTest = depthtest;                                                                                     // no depth test so always appears

            // now the renderer, set up with the render control, tape as the points, and bind a RenderDataTexture so the texture gets binded each time

            var zerotape = new Vector4[] { Vector4.Zero };      // just use an dummy array to get this going

            ritape = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.TriangleStrip, rts, zerotape, zerotape, new GLRenderDataTexture(tapetex));

            tapepointbuf = items.LastBuffer();                // keep buffer for refill

            ritape.ElementBuffer = items.NewBuffer();         // empty buffer for element index for now
            ritape.Visible       = false;                     // until its filled, not visible (important, we don't want render to execute unless its been fully set up below)

            rObjects.Add(tapeshader, name + "-tape", ritape); // add render to object list

            // now the stars

            starposbuf = items.NewBuffer();         // where we hold the vertexes for the suns, used by renderer and by finder

            // the colour index of the stars is selected by the w parameter of the world position vertexes.
            // we autoscale to make them bigger at greater distances from eye
            sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Yellow, Color.FromArgb(255, 230, 230, 1) },
                                                                     autoscale: 30, autoscalemin: 1, autoscalemax: 2, useeyedistance: false);
            sunshader = new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader());
            items.Add(sunshader);

            var shape = GLSphereObjectFactory.CreateSphereFromTriangles(2, sunsize);

            GLRenderState rt = GLRenderState.Tri();     // render is triangles, with no depth test so we always appear

            rt.DepthTest        = depthtest;
            rt.DepthClamp       = true;
            renderersun         = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, rt, shape, starposbuf, 0, null, 0, 1);
            renderersun.Visible = false;            // until its filled, not visible

            rObjects.Add(sunshader, name + "-suns", renderersun);

            // find compute

            var geofind = new GLPLGeoShaderFindTriangles(bufferfindresults, 16);

            findshader = items.NewShaderPipeline(null, sunvertex, null, null, geofind, null, null, null);
            rifind     = GLRenderableItem.CreateVector4Vector4(items, OpenTK.Graphics.OpenGL4.PrimitiveType.Triangles, GLRenderState.Tri(), shape, starposbuf, ic: 0, seconddivisor: 1);

            // Sun names, handled by textrenderer
            textrenderer = new GLBitmaps(name + "-text", rObjects, BitMapSize, depthtest: depthtest, cullface: false);
            items.Add(textrenderer);
        }