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ray:: two-dimensional cell lists
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Zeno Rogue
parent
e0f243b11c
commit
7879a4abe1
@ -12,7 +12,7 @@ namespace hr {
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EX namespace ray {
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/** texture IDs */
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GLuint txConnections = 0, txWallcolor = 0, txMatrixid = 0;
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GLuint txConnections = 0, txWallcolor = 0;
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EX bool in_use;
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EX bool comparison_mode;
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@ -58,7 +58,7 @@ EX bool requested() {
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struct raycaster : glhr::GLprogram {
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GLint uStart, uStartid, uN, uM, uLength, uFovX, uFovY, uIPD;
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GLint uWallstart, uWallX, uWallY;
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GLint tConnections, tWallcolor, tMatrixid;
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GLint tConnections, tWallcolor;
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GLint uBinaryWidth;
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GLint uLinearSightRange, uExpStart, uExpDecay;
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@ -85,7 +85,6 @@ struct raycaster : glhr::GLprogram {
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tConnections = glGetUniformLocation(_program, "tConnections");
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tWallcolor = glGetUniformLocation(_program, "tWallcolor");
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tMatrixid = glGetUniformLocation(_program, "tMatrixid");
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}
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};
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@ -115,11 +114,9 @@ void enable_raycaster() {
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"uniform mat4 uStart;\n"
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"uniform mat4 uM[80];\n"
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"uniform mat4 uTest;\n"
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"uniform float uStartid;\n"
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"uniform sampler1D tConnections;\n"
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"uniform sampler1D tWallcolor;\n"
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"uniform sampler2D tWallTexture;\n"
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"uniform sampler1D tMatrixid;\n"
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"uniform vec2 uStartid;\n"
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"uniform sampler2D tConnections;\n"
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"uniform sampler2D tWallcolor;\n"
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"uniform vec4 uWallX[60];\n"
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"uniform vec4 uWallY[60];\n"
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"uniform int uWallstart[16];\n"
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@ -193,7 +190,7 @@ void enable_raycaster() {
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" vec4 position = vw * vec4(0., 0., 0., 1.);\n"
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" vec4 tangent = vw * at0;\n"
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" float go = 0.;\n"
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" float cid = uStartid;\n"
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" vec2 cid = uStartid;\n"
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" for(int iter=0; iter<" + its(max_iter_current()) + "; iter++) {\n";
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fmain +=
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@ -379,8 +376,8 @@ void enable_raycaster() {
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// apply wall color
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fmain +=
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" float u = cid + float(which) / float(uLength);\n"
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" vec4 col = texture1D(tWallcolor, u);\n"
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" vec2 u = cid + vec2(float(which) / float(uLength), 0);\n"
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" vec4 col = texture2D(tWallcolor, u);\n"
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" if(col[3] > 0.0) {\n"
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" vec2 inface = map_texture(position, which);\n"
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" float bright = min(1., 10. * (1.-inface.x-inface.y));\n" // texture2D(tWallTexture, (inface.yz + vec2(1.,1.))/2.).r;\n"
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@ -402,11 +399,11 @@ void enable_raycaster() {
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// next cell
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fmain +=
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" float rot = texture1D(tMatrixid, u).r;\n"
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" int mid = int(rot * 1024.);\n"
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" vec4 connection = texture2D(tConnections, u);\n"
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" int mid = int(connection.z * 1024.);\n"
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" position = uM[mid] * uM[which] * position;\n"
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" tangent = uM[mid] * uM[which] * tangent;\n"
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" cid = texture1D(tConnections, u).r;\n";
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" cid = connection.xy;\n";
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fmain +=
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" }"
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@ -420,21 +417,8 @@ void enable_raycaster() {
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full_enable(our_raycaster);
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}
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void bind_array(vector<float>& v, GLint t, GLuint& tx, int id) {
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if(t == -1) println(hlog, "bind to nothing");
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glUniform1i(t, id);
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if(tx == 0) glGenTextures(1, &tx);
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int length, per_row, rows;
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glActiveTexture(GL_TEXTURE0 + id);
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glBindTexture(GL_TEXTURE_1D, tx);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexImage1D(GL_TEXTURE_1D, 0, GL_R32F, isize(v), 0, GL_RED, GL_FLOAT, &v[0]);
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}
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void bind_array(vector<array<float, 4>>& v, GLint t, GLuint& tx, int id) {
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if(t == -1) println(hlog, "bind to nothing");
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glUniform1i(t, id);
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@ -442,23 +426,25 @@ void bind_array(vector<array<float, 4>>& v, GLint t, GLuint& tx, int id) {
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if(tx == 0) glGenTextures(1, &tx);
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glActiveTexture(GL_TEXTURE0 + id);
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glBindTexture(GL_TEXTURE_1D, tx);
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glBindTexture(GL_TEXTURE_2D, tx);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA, isize(v), 0, GL_RGBA, GL_FLOAT, &v[0]);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, length, isize(v)/length, 0, GL_RGBA, GL_FLOAT, &v[0]);
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GLERR("bind_array");
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}
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ld& exp_decay_current() {
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return (sol || hyperbolic) ? exp_decay_exp : exp_decay_poly;
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void uniform2(GLint id, array<float, 2> fl) {
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glUniform2f(id, fl[0], fl[1]);
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}
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int& max_iter_current() {
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if(nonisotropic) return max_iter_sol;
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else return max_iter_iso;
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}
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array<float, 2> enc(int i, int a) {
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array<float, 2> res;
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res[0] = ((i%per_row) * S7 + a + .5) / length;
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res[1] = ((i / per_row) + .5) / rows;
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return res;
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};
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EX void cast() {
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enable_raycaster();
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@ -480,21 +466,22 @@ EX void cast() {
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auto& cd = current_display;
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glUniform1f(o->uFovX, cd->tanfov);
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glUniform1f(o->uFovY, cd->tanfov * cd->ysize / cd->xsize);
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celllister cl(viewctr.at->c7, 10, 3000, NULL);
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length = 4096;
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per_row = length / S7;
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vector<cell*> lst;
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celllister cl(viewctr.at->c7, 10, 10000, NULL);
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vector<cell*> lst = cl.lst;
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int maxl = 32768 / S7;
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if(isize(lst) > maxl) lst.resize(maxl);
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rows = next_p2((isize(lst)+per_row-1) / per_row);
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map<cell*, int> ids;
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for(int i=0; i<isize(lst); i++) ids[lst[i]] = i;
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int length = next_p2(isize(lst) * S7);
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glUniform1i(o->uLength, length);
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GLERR("uniform length");
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auto enc = [&] (int i) { return float((i+.5) / length); };
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// for(auto &m: reg3::spins) println(hlog, m);
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@ -502,7 +489,7 @@ EX void cast() {
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GLERR("uniform start");
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glUniform1i(o->uN, S7);
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GLERR("uniform N");
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glUniform1f(o->uStartid, enc(ids[viewctr.at->c7] * S7));
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uniform2(o->uStartid, enc(ids[viewctr.at->c7], 0));
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GLERR("uniform startid");
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glUniform1f(o->uIPD, vid.ipd);
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GLERR("uniform IPD");
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@ -510,19 +497,20 @@ EX void cast() {
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vector<transmatrix> ms;
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for(int j=0; j<S7; j++) ms.push_back(currentmap->relative_matrix(cwt.at->master, cwt.at->cmove(j)->master));
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vector<float> connections(length);
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vector<array<float, 4>> wallcolor(length);
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vector<float> matrixid(length);
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vector<array<float, 4>> connections(length * rows);
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vector<array<float, 4>> wallcolor(length * rows);
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if(1) for(cell *c: lst) {
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int id = ids[c];
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forCellIdEx(c1, i, c) {
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int u = id * S7 + i;
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int u = (id/per_row*length) + (id%per_row * S7) + i;
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if(!ids.count(c1)) {
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wallcolor[u] = glhr::acolor(0xFF);
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continue;
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}
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connections[u] = enc(ids[c1] * S7);
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auto code = enc(ids[c1], 0);
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connections[u][0] = code[0];
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connections[u][1] = code[1];
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if(isWall3(c1)) {
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celldrawer dd;
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dd.cw.at = c1;
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@ -537,7 +525,7 @@ EX void cast() {
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for(int k=0; k<=isize(ms); k++) {
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if(k < isize(ms) && !eqmatrix(ms[k], T)) continue;
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if(k == isize(ms)) ms.push_back(T);
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matrixid[u] = (k+.5) / 1024.;
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connections[u][2] = (k+.5) / 1024.;
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break;
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}
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}
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@ -570,7 +558,6 @@ EX void cast() {
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bind_array(wallcolor, o->tWallcolor, txWallcolor, 4);
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bind_array(connections, o->tConnections, txConnections, 3);
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bind_array(matrixid, o->tMatrixid, txMatrixid, 5);
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glVertexAttribPointer(hr::aPosition, 4, GL_FLOAT, GL_FALSE, sizeof(glvertex), &screen[0]);
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glhr::set_depthtest(false);
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