protected override void OnLoad(EventArgs e) { base.OnLoad(e); Closed += ShaderTest_Closed; gl3dcontroller = new Controller3D(); gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f; gl3dcontroller.MatrixCalc.PerspectiveFarZDistance = 100000f; gl3dcontroller.ZoomDistance = 5000F; gl3dcontroller.PosCamera.ZoomMin = 0.1f; gl3dcontroller.PosCamera.ZoomScaling = 1.1f; gl3dcontroller.YHoldMovement = true; gl3dcontroller.PaintObjects = ControllerDraw; gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) => { return((float)ms * 1.0f * Math.Min(eyedist / 1000, 10)); }; gl3dcontroller.MatrixCalc.InPerspectiveMode = true; gl3dcontroller.Start(glwfc, new Vector3(0, 0, 10000), new Vector3(140.75f, 0, 0), 0.5F); items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // create a matrix uniform block int front = -20000, back = front + 90000, left = -45000, right = left + 90000, vsize = 2000; boundingbox = 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), }; 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), }; { items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW"); GLRenderState rl = GLRenderState.Lines(1); rObjects.Add(items.Shader("LINEYELLOW"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines)); } { items.Add(new GLTexture2D(Properties.Resources.golden, SizedInternalFormat.Rgba8), "solmarker"); items.Add(new GLTexturedShaderObjectTranslation(), "TEX"); GLRenderState rq = GLRenderState.Quads(cullface: false); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, 1000, 0)) )); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, -1000, 0)) )); items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "sag"); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, 2000, 25899)) )); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, -2000, 25899)) )); items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "bp"); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("bp"), new Vector3(-1111f, 0, 65269)) )); } if (false) // galaxy { volumetricblock = new GLVolumetricUniformBlock(); 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); // must be a multiple of localgroupsize in csn csn.StartAction += (A, m) => { noise3d.BindImage(3); }; csn.Run(); // compute noise 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, 4); gsn.StartAction += (A, m) => { gaussiantex.BindImage(4); }; gsn.Run(); // compute noise GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits); //float[] gdata = gaussiantex.GetTextureImageAsFloats(OpenTK.Graphics.OpenGL4.PixelFormat.Red); // read back check //for( int i = 0; i < gdata.Length; i++ ) //{ // double v = ((float)i / gdata.Length-0.5)*2*2; // double r = ObjectExtensionsNumbersBool.GaussianDist(v, 2, 1.4); // // System.Diagnostics.Debug.WriteLine(i + ":" + gdata[i] + ": " + r); //} // 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, "gal"); GalaxyShader gs = new GalaxyShader(); items.Add(gs, "Galaxy"); // bind the galaxy texture, the 3dnoise, and the gaussian 1-d texture for the shader gs.StartAction = (a, m) => { galtex.Bind(1); noise3d.Bind(3); gaussiantex.Bind(4); }; // shader requires these, so bind using shader GLRenderState rt = GLRenderState.Tri(); galaxy = GLRenderableItem.CreateNullVertex(PrimitiveType.Points, rt); // no vertexes, all data from bound volumetric uniform, no instances as yet rObjects.Add(items.Shader("Galaxy"), galaxy); } if (true) // star points { 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 = new GLBuffer(16 * 500000); // 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; int ii = i * i * i; if (ii > 32 * 32 * 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(ii / 140000, 0), 20); dist *= 2000; GLPointsFactory.RandomStars4(buf, c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: i); points += c; System.Diagnostics.Debug.Assert(points < buf.Length / 16); } } } buf.StopReadWrite(); items.Add(new GalaxyStarDots(), "SD"); GLRenderState rp = GLRenderState.Points(1); rp.DepthTest = false; rObjects.Add(items.Shader("SD"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, buf, points)); System.Diagnostics.Debug.WriteLine("Stars " + points); } if (true) // point sprite { items.Add(new GLTexture2D(Properties.Resources.StarFlare2, SizedInternalFormat.Rgba8), "lensflare"); items.Add(new GLPointSpriteShader(items.Tex("lensflare"), 64, 40), "PS1"); var p = GLPointsFactory.RandomStars4(1000, 0, 25899, 10000, 1000, -1000); GLRenderState rps = GLRenderState.PointSprites(); rps.DepthTest = false; rObjects.Add(items.Shader("PS1"), GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Points, rps, p, new Color4[] { Color.White })); } { items.Add(new DynamicGridVertexShader(Color.Cyan), "PLGRIDVertShader"); items.Add(new GLPLFragmentShaderVSColor(), "PLGRIDFragShader"); GLRenderState rl = GLRenderState.Lines(1); rl.DepthTest = false; items.Add(new GLShaderPipeline(items.PLShader("PLGRIDVertShader"), items.PLShader("PLGRIDFragShader")), "DYNGRID"); rObjects.Add(items.Shader("DYNGRID"), "DYNGRIDRENDER", GLRenderableItem.CreateNullVertex(PrimitiveType.Lines, rl, drawcount: 2)); } { items.Add(new DynamicGridCoordVertexShader(), "PLGRIDBitmapVertShader"); items.Add(new GLPLFragmentShaderTexture2DIndexed(0), "PLGRIDBitmapFragShader"); // binding GLRenderState rl = GLRenderState.Tri(cullface: false); rl.DepthTest = false; gridtexcoords = new GLTexture2DArray(); items.Add(gridtexcoords, "PLGridBitmapTextures"); GLShaderPipeline sp = new GLShaderPipeline(items.PLShader("PLGRIDBitmapVertShader"), items.PLShader("PLGRIDBitmapFragShader")); items.Add(sp, "DYNGRIDBitmap"); rObjects.Add(items.Shader("DYNGRIDBitmap"), "DYNGRIDBitmapRENDER", GLRenderableItem.CreateNullVertex(PrimitiveType.TriangleStrip, rl, drawcount: 4, instancecount: 9)); } }
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]) )); } } }
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); Closed += ShaderTest_Closed; gl3dcontroller = new Controller3D(); gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 1f; gl3dcontroller.MatrixCalc.PerspectiveFarZDistance = 100000f; gl3dcontroller.ZoomDistance = 5000F; gl3dcontroller.YHoldMovement = true; gl3dcontroller.PaintObjects = ControllerDraw; gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) => { return((float)ms * 10.0f); }; gl3dcontroller.MatrixCalc.InPerspectiveMode = true; gl3dcontroller.Start(glwfc, new Vector3(0, 0, 10000), new Vector3(140.75f, 0, 0), 0.5F); items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // create a matrix uniform block int front = -20000, back = front + 90000, left = -45000, right = left + 90000, vsize = 2000; boundingbox = 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), }; 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), }; { items.Add(new GLFixedShader(System.Drawing.Color.Yellow), "LINEYELLOW"); GLRenderState rl = GLRenderState.Lines(1); rObjects.Add(items.Shader("LINEYELLOW"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl, displaylines)); } Bitmap[] numbitmaps = new Bitmap[116]; { Font fnt = new Font("Arial", 20); for (int i = 0; i < numbitmaps.Length; i++) { int v = -45000 + 1000 * i; // range from -45000 to +70000 numbitmaps[i] = new Bitmap(100, 100); GLOFC.Utils.BitMapHelpers.DrawTextCentreIntoBitmap(ref numbitmaps[i], v.ToString(), fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.Red, Color.AliceBlue); } GLTexture2DArray numtextures = new GLTexture2DArray(numbitmaps, SizedInternalFormat.Rgba8, ownbmp: true); items.Add(numtextures, "Nums"); Matrix4[] numberposx = new Matrix4[(right - left) / 1000 + 1]; for (int i = 0; i < numberposx.Length; i++) { numberposx[i] = Matrix4.CreateScale(1); numberposx[i] *= Matrix4.CreateRotationX(-25f.Radians()); numberposx[i] *= Matrix4.CreateTranslation(new Vector3(left + 1000 * i, 0, front)); } GLShaderPipeline numshaderx = new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0)); items.Add(numshaderx, "IC-X"); GLRenderState rq = GLRenderState.Quads(cullface: false); GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("Nums")); rObjects.Add(numshaderx, "xnum", GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberposx, rt, numberposx.Length)); Matrix4[] numberposz = new Matrix4[(back - front) / 1000 + 1]; for (int i = 0; i < numberposz.Length; i++) { numberposz[i] = Matrix4.CreateScale(1); numberposz[i] *= Matrix4.CreateRotationX(-25f.Radians()); numberposz[i] *= Matrix4.CreateTranslation(new Vector3(right + 1000, 0, front + 1000 * i)); } GLShaderPipeline numshaderz = new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(25)); items.Add(numshaderz, "IC-Z"); rObjects.Add(numshaderz, "ynum", GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberposz, rt, numberposz.Length)); } items.Add(new GLColorShaderWorld(), "COSW"); float h = 50; if (h != -1) { GLRenderState rl = GLRenderState.Lines(1); int dist = 1000; //20? Color cr = Color.FromArgb(50, Color.Red); rObjects.Add(items.Shader("COSW"), // 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 Color4[] { cr }) ); rObjects.Add(items.Shader("COSW"), 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 Color4[] { cr }) ); } { items.Add(new GLTexture2D(numbitmaps[45], SizedInternalFormat.Rgba8), "solmarker"); items.Add(new GLTexturedShaderObjectTranslation(), "TEX"); GLRenderState rq = GLRenderState.Quads(cullface: false); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, 1000, 0)) )); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, -1000, 0)) )); items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "sag"); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, 2000, 25899)) )); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, -2000, 25899)) )); items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "bp"); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("bp"), new Vector3(-1111f, 0, 65269)) )); } if (true) // galaxy { volumetricblock = new GLVolumetricUniformBlock(); 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); // must be a multiple of localgroupsize in csn csn.StartAction += (A, m) => { noise3d.BindImage(3); }; csn.Run(); // compute noise 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, 4); gsn.StartAction += (A, m) => { gaussiantex.BindImage(4); }; gsn.Run(); // compute noise GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits); //float[] gdata = gaussiantex.GetTextureImageAsFloats(OpenTK.Graphics.OpenGL4.PixelFormat.Red); // read back check //for( int i = 0; i < gdata.Length; i++ ) //{ // double v = ((float)i / gdata.Length-0.5)*2*2; // double r = ObjectExtensionsNumbersBool.GaussianDist(v, 2, 1.4); // // System.Diagnostics.Debug.WriteLine(i + ":" + gdata[i] + ": " + r); //} // 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, "gal"); GalaxyShader gs = new GalaxyShader(); items.Add(gs, "Galaxy"); // bind the galaxy texture, the 3dnoise, and the gaussian 1-d texture for the shader gs.StartAction = (a, m) => { galtex.Bind(1); noise3d.Bind(3); gaussiantex.Bind(4); }; // shader requires these, so bind using shader GLRenderState rt = GLRenderState.Tri(); galaxy = GLRenderableItem.CreateNullVertex(PrimitiveType.Points, rt); // no vertexes, all data from bound volumetric uniform, no instances as yet rObjects.Add(items.Shader("Galaxy"), galaxy); } if (true) // star points { 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); if (false) // heat map checkout debug { List <Vector4> points = new List <Vector4>(); int xcw = (right - left) / heat.Width; int zch = (back - front) / heat.Height; for (int x = 0; x < heat.Width; x++) { for (int z = 0; z < heat.Height; z++) { int gx = left + x * xcw + xcw / 2; int gz = front + z * zch + zch / 2; Color px = heat.GetPixel(x, z); //System.Diagnostics.Debug.WriteLine(x + "," + z + " = " + gx + "," + gz + " : " + px.R); points.Add(new Vector4(gx, 2000, gz, px.R)); } } items.Add(new GLHeatMapIntensity(), "ShP"); GLRenderState rp = GLRenderState.Points(); rp.DepthTest = false; rObjects.Add(items.Shader("ShP"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, points.ToArray())); } if (false) // v1 via array { List <Vector4> points = new List <Vector4>(); Random rnd = new Random(23); int xcw = (right - left) / heat.Width; int zch = (back - front) / heat.Height; for (int x = 0; x < heat.Width; x++) { for (int z = 0; z < heat.Height; z++) { int i = heat.GetPixel(x, z).R; int ii = i * i * i; if (ii > 32 * 32 * 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(ii / 100000, 0), 20); dist *= 2000; var rs = GLPointsFactory.RandomStars4(c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: i); if (z == heat.Height / 2) { System.Diagnostics.Debug.WriteLine(gx + "," + gz + "; " + dx + "," + dz + " = " + i + " " + c + " " + d + "=h " + dist); } //var rs = GLPointsFactory.RandomStars4(500, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w:i); points.AddRange(rs); } } } items.Add(new GalaxyStarDots(), "SD"); GLRenderState rp = GLRenderState.Points(1); rp.DepthTest = false; rObjects.Add(items.Shader("SD"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, points.ToArray())); } if (true) //v2 direct to buffer { Random rnd = new Random(23); GLBuffer buf = new GLBuffer(16 * 500000); // 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; int ii = i * i * i; if (ii > 32 * 32 * 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(ii / 140000, 0), 40); dist *= 2000; GLPointsFactory.RandomStars4(buf, c, gx, gx + xcw, gz, gz + zch, (int)dist, (int)-dist, rnd, w: i); points += c; System.Diagnostics.Debug.Assert(points < buf.Length / 16); } } } buf.StopReadWrite(); items.Add(new GalaxyStarDots(), "SD"); GLRenderState rp = GLRenderState.Points(1); rp.DepthTest = false; rObjects.Add(items.Shader("SD"), GLRenderableItem.CreateVector4(items, PrimitiveType.Points, rp, buf, points)); System.Diagnostics.Debug.WriteLine("Stars " + points); } } if (true) // point sprite { items.Add(new GLTexture2D(Properties.Resources.star_grey64, SizedInternalFormat.Rgba8), "lensflare"); items.Add(new GLPointSpriteShader(items.Tex("lensflare")), "PS1"); int dist = 20000; var p = GLPointsFactory.RandomStars4(100, -dist, dist, 25899 - dist, 25899 + dist, 2000, -2000); GLRenderState rps = GLRenderState.PointSprites(); rps.DepthTest = false; rObjects.Add(items.Shader("PS1"), GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Points, rps, p, new Color4[] { Color.White })); } }
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 = 500F; gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) => { return((float)ms * 20.0f); }; //gl3dcontroller.MatrixCalc.InPerspectiveMode = false; gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(135f, 0, 0), 0.01F); items.Add(new GLColorShaderWorld(), "COSW"); GLRenderState rl1 = GLRenderState.Lines(1); float h = 0; { rObjects.Add(items.Shader("COSW"), // 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[] { Color.Gray }) ); rObjects.Add(items.Shader("COSW"), 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[] { Color.Gray }) ); } 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)); } { Bitmap[] numbers = new Bitmap[70]; Matrix4[] numberpos = 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)); } GLTexture2DArray array = new GLTexture2DArray(numbers, SizedInternalFormat.Rgba8, ownbmp: true); items.Add(array, "Nums"); items.Add(new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0)), "IC-2"); items.Shader("IC-2").StartAction += (s, m) => { items.Tex("Nums").Bind(1); GL.Disable(EnableCap.CullFace); }; items.Shader("IC-2").FinishAction += (s) => { GL.Enable(EnableCap.CullFace); }; // investigate why its wrapping when we asked for it TexQUAD 1 which should interpolate over surface.. 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)); } // 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 ShaderV2(), "V2"); GLRenderState rv = GLRenderState.Tri(); galaxy = GLRenderableItem.CreateNullVertex(PrimitiveType.Points, rv); // no vertexes, all data from bound volumetric uniform, no instances as yet rObjects.Add(items.Shader("V2"), galaxy); 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"); items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // create a matrix uniform block }
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 = 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(126.75f, 0, 0), 0.31622F); int front = -20000, back = front + 90000, left = -45000, right = left + 90000, vsize = 2000; items.Add(new GLColorShaderWorld(), "COSW"); GLRenderState rl1 = GLRenderState.Lines(1); float h = -1; if (h != -1) { int dist = 1000; Color cr = Color.FromArgb(20, Color.Red); rObjects.Add(items.Shader("COS-1L"), // horizontal GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1, GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(left, h, back), new Vector3(dist, 0, 0), (back - front) / dist + 1), new Color4[] { cr }) ); rObjects.Add(items.Shader("COS-1L"), GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, rl1, GLShapeObjectFactory.CreateLines(new Vector3(left, h, front), new Vector3(right, h, front), new Vector3(0, 0, dist), (right - left) / dist + 1), new Color4[] { cr }) ); } { 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), }; items.Add(new GLFixedColorShaderWorld(System.Drawing.Color.Yellow), "LINEYELLOW"); rObjects.Add(items.Shader("LINEYELLOW"), GLRenderableItem.CreateVector4(items, PrimitiveType.Lines, rl1, displaylines)); } Bitmap[] numbitmaps = new Bitmap[116]; { Font fnt = new Font("Arial", 20); for (int i = 0; i < numbitmaps.Length; i++) { int v = -45000 + 1000 * i; // range from -45000 to +70000 numbitmaps[i] = new Bitmap(100, 100); GLOFC.Utils.BitMapHelpers.DrawTextCentreIntoBitmap(ref numbitmaps[i], v.ToString(), fnt, System.Drawing.Text.TextRenderingHint.ClearTypeGridFit, Color.Red, Color.AliceBlue); } GLTexture2DArray numtextures = new GLTexture2DArray(numbitmaps, SizedInternalFormat.Rgba8, ownbmp: true); items.Add(numtextures, "Nums"); Matrix4[] numberposx = new Matrix4[(right - left) / 1000 + 1]; for (int i = 0; i < numberposx.Length; i++) { numberposx[i] = Matrix4.CreateScale(1); numberposx[i] *= Matrix4.CreateRotationX(-25f.Radians()); numberposx[i] *= Matrix4.CreateTranslation(new Vector3(left + 1000 * i, 0, front)); } GLShaderPipeline numshaderx = new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(0)); items.Add(numshaderx, "IC-X"); GLRenderState rq = GLRenderState.Quads(cullface: false); GLRenderDataTexture rt = new GLRenderDataTexture(items.Tex("Nums")); rObjects.Add(numshaderx, "xnum", GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberposx, rt, numberposx.Length)); Matrix4[] numberposz = new Matrix4[(back - front) / 1000 + 1]; for (int i = 0; i < numberposz.Length; i++) { numberposz[i] = Matrix4.CreateScale(1); numberposz[i] *= Matrix4.CreateRotationX(-25f.Radians()); numberposz[i] *= Matrix4.CreateTranslation(new Vector3(right + 1000, 0, front + 1000 * i)); } GLShaderPipeline numshaderz = new GLShaderPipeline(new GLPLVertexShaderModelMatrixTexture(), new GLPLFragmentShaderTexture2DIndexed(25)); items.Add(numshaderz, "IC-Z"); rObjects.Add(numshaderz, "ynum", GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(500.0f), GLShapeObjectFactory.TexQuadCW, numberposz, rt, numberposz.Length)); } { items.Add(new GLTexture2D(numbitmaps[45], SizedInternalFormat.Rgba8), "solmarker"); items.Add(new GLTexturedShaderObjectTranslation(), "TEX"); GLRenderState rq = GLRenderState.Quads(cullface: false); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, 1000, 0)) )); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("solmarker"), new Vector3(0, -1000, 0)) )); items.Add(new GLTexture2D(Properties.Resources.dotted, SizedInternalFormat.Rgba8), "sag"); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, 2000, 25899)) )); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("sag"), new Vector3(25.2f, -2000, 25899)) )); items.Add(new GLTexture2D(Properties.Resources.dotted2, SizedInternalFormat.Rgba8), "bp"); rObjects.Add(items.Shader("TEX"), GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Quads, rq, GLShapeObjectFactory.CreateQuad(1000.0f, 1000.0f, new Vector3(0, 0, 0)), GLShapeObjectFactory.TexQuadCW, new GLRenderDataTranslationRotationTexture(items.Tex("bp"), new Vector3(-1111f, 0, 65269)) )); } boundingbox = 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), }; if (true) { volumetricblock = new GLVolumetricUniformBlock(); 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); // must be a multiple of localgroupsize in csn csn.StartAction += (A, m) => { noise3d.BindImage(3); }; csn.Run(); // compute noise 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 ComputeShaderGaussian gsn = new ComputeShaderGaussian(gaussiantex.Width, 2.0f, 2.0f, 1.4f, 4); gsn.StartAction += (A, m) => { gaussiantex.BindImage(4); }; gsn.Run(); // compute noise GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits); float[] gdata = gaussiantex.GetTextureImageAs <float>(OpenTK.Graphics.OpenGL4.PixelFormat.Red); // read back check // 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, "gal"); GalaxyShader gs = new GalaxyShader(); items.Add(gs, "Galaxy"); gs.StartAction += (a, m) => { galtex.Bind(1); noise3d.Bind(3); gaussiantex.Bind(4); }; GLRenderState rv = GLRenderState.Tri(); galaxy = GLRenderableItem.CreateNullVertex(PrimitiveType.Points, rv); // no vertexes, all data from bound volumetric uniform, no instances as yet rObjects.Add(items.Shader("Galaxy"), galaxy); } items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // create a matrix uniform block }