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();
}
/// <summary>
/// Creator of this draw set
/// </summary>
/// <param name="textures"> number of 2D textures to allow maximum (limited by GL)</param>
/// <param name="estimateditemspergroup">Estimated objects per group, this adds on vertext buffer space to allow for mat4 alignment. Smaller means more allowance.</param>
/// <param name="mingroups">Minimum groups to have</param>
/// <param name="objectbuffer">Object buffer to use</param>
/// <param name="objectvertexes">Number of object vertexes</param>
/// <param name="objrc">The object render state control</param>
/// <param name="objpt">The object draw primitive type</param>
/// <param name="texturesize">The size of the label</param>
/// <param name="textrc">The text render state</param>
/// <param name="textureformat">The texture format for the text</param>
/// <param name="debuglimittexture">For debug, set this to limit maximum number of entries. 0 = off</param>
/// <returns></returns>
public Tuple <GLRenderableItem, GLRenderableItem> Create(
int textures,
int estimateditemspergroup,
int mingroups,
GLBuffer objectbuffer, int objectvertexes, GLRenderState objrc, PrimitiveType objpt,
Size texturesize, GLRenderState textrc, SizedInternalFormat textureformat,
int debuglimittexture = 0)
{
this.objectvertexescount = objectvertexes;
this.context = GLStatics.GetContext();
// Limit number of 2d textures in a single 2d array
int maxtextper2darray = GL4Statics.GetMaxTextureDepth();
if (debuglimittexture > 0)
{
maxtextper2darray = debuglimittexture;
}
// set up number of textmaps bound
int maxtexturesbound = GL4Statics.GetMaxFragmentTextures();
int textmaps = Math.Min(textures, maxtexturesbound);
// which then give us the number of stars we can do
int objectcount = textmaps * maxtextper2darray;
int groupcount = objectcount / estimateditemspergroup;
groupcount = Math.Max(mingroups, groupcount); // min groups
// System.Diagnostics.Debug.WriteLine($"GLObjectWithLabels oc {objectcount} gc {groupcount}");
// estimate maximum vert buffer needed, allowing for extra due to the need to align the mat4
int vertbufsize = objectcount * (GLBuffer.Vec4size + GLBuffer.Mat4size) + // for a vec4 + mat4 per object
groupcount * GLBuffer.Mat4size; // and for groupcount Mat4 fragmentation per group
// create the vertex indirect buffer
dataindirectbuffer = new GLVertexBufferIndirect(items, vertbufsize, GLBuffer.WriteIndirectArrayStride * groupcount, true, BufferUsageHint.DynamicDraw);
// objects
ObjectRenderer = GLRenderableItem.CreateVector4Vector4(items, objpt, objrc,
objectbuffer, 0, 0, // binding 0 is shapebuf, offset 0, no draw count yet
dataindirectbuffer.Vertex, 0, // binding 1 is vertex's world positions, offset 0
null, 0, 1); // no ic, second divisor 1
ObjectRenderer.BaseIndexOffset = 0; // offset in bytes where commands are stored
ObjectRenderer.MultiDrawCountStride = GLBuffer.WriteIndirectArrayStride;
// text
this.textures = new GLTexture2DArray[textmaps];
for (int i = 0; i < this.textures.Length; i++)
{
int n = Math.Min(objectcount, maxtextper2darray);
this.textures[i] = new GLTexture2DArray(texturesize.Width, texturesize.Height, n, textureformat, 1);
items.Add(this.textures[i]);
objectcount -= maxtextper2darray;
}
TextRenderer = GLRenderableItem.CreateMatrix4(items, PrimitiveType.Quads, textrc,
dataindirectbuffer.Vertex, 0, 0, //attach buffer with matrices, no draw count
new GLRenderDataTexture(this.textures, 0), // binding 0 assign to our texture 2d
0, 1); //no ic, and matrix divide so 1 matrix per vertex set
TextRenderer.BaseIndexOffset = 0; // offset in bytes where commands are stored
TextRenderer.MultiDrawCountStride = GLBuffer.WriteIndirectArrayStride;
return(new Tuple <GLRenderableItem, GLRenderableItem>(ObjectRenderer, TextRenderer));
}
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);
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
}
// Demonstrate buffer feedback AND geo shader add vertex/dump vertex
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Closed += ShaderTest_Closed;
gl3dcontroller = new Controller3D();
gl3dcontroller.PaintObjects = ControllerDraw;
gl3dcontroller.ZoomDistance = 20F;
gl3dcontroller.MatrixCalc.PerspectiveNearZDistance = 0.1f;
glwfc.BackColor = Color.FromArgb(0, 0, 60);
gl3dcontroller.Start(glwfc, new Vector3(0, 0, 0), new Vector3(120f, 0, 0f), 1F);
gl3dcontroller.KeyboardTravelSpeed = (ms, eyedist) =>
{
return((float)ms / 20.0f);
};
items.Add(new GLMatrixCalcUniformBlock(), "MCUB"); // def binding of 0
{
items.Add(new GLColorShaderWorld(), "COS");
GLRenderState rl = GLRenderState.Lines(1);
rObjects.Add(items.Shader("COS"),
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("COS"),
GLRenderableItem.CreateVector4Color4(items, PrimitiveType.Lines, null,
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 GLTexturedShaderObjectTranslation(), "TEX");
items.Add(new GLTexture2D(Properties.Resources.moonmap1k, SizedInternalFormat.Rgba8), "moon");
GLRenderState rt = GLRenderState.Tri();
rObjects.Add(items.Shader("TEX"), "sphere7",
GLRenderableItem.CreateVector4Vector2(items, PrimitiveType.Triangles, rt,
GLSphereObjectFactory.CreateTexturedSphereFromTriangles(4, 10.0f),
new GLRenderDataTranslationRotationTexture(items.Tex("moon"), new Vector3(-30, 0, 0))
));
}
{
var sunvertex = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Yellow, Color.FromArgb(255, 230, 230, 1) });
items.Add(new GLShaderPipeline(sunvertex, new GLPLStarSurfaceFragmentShader()), "STAR");
GLRenderState rt = GLRenderState.Tri();
rObjects.Add(items.Shader("STAR"), "sun",
GLRenderableItem.CreateVector4(items, PrimitiveType.Triangles,
rt,
GLSphereObjectFactory.CreateSphereFromTriangles(3, 10.0f),
new GLRenderDataTranslationRotation(new Vector3(20, 0, 0)),
ic: 1));
items.Add(new GLShaderStarCorona(), "CORONA");
GLRenderState rq = GLRenderState.Quads();
rObjects.Add(items.Shader("CORONA"), GLRenderableItem.CreateVector4(items, PrimitiveType.Quads,
rq,
GLShapeObjectFactory.CreateQuad(1f),
new GLRenderDataTranslationRotation(new Vector3(20, 0, 0), new Vector3(0, 0, 0), 20f, calclookat: true)));
}
if (true)
{
Vector4[] pos = new Vector4[3];
pos[0] = new Vector4(-20, 0, 10, 0);
pos[1] = new Vector4(0, 0, 10, 1);
pos[2] = new Vector4(20, 0, 10, 2);
var shape = GLSphereObjectFactory.CreateSphereFromTriangles(3, 10.0f);
GLRenderState rt = GLRenderState.Tri();
GLRenderableItem ri = GLRenderableItem.CreateVector4Vector4(items, PrimitiveType.Triangles, rt, shape, pos, null, pos.Length, 1);
var vertshader = new GLPLVertexShaderModelCoordWorldAutoscale(new Color[] { Color.Red, Color.Green, Color.Blue });
var shader = new GLShaderPipeline(vertshader, new GLPLStarSurfaceFragmentShader());
items.Add(shader, "STAR-M2");
rObjects.Add(shader, ri);
}
GLOFC.GLStatics.Check();
GL.Enable(EnableCap.DepthClamp);
}
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);
}
