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Code Issues Releases Wiki Activity

ray:: stereo modes

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This commit is contained in:
Zeno Rogue
2019-11-16 03:04:01 +01:00
parent 838d6a583a
commit 928e369977
4 changed files with 33 additions and 12 deletions
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raycaster.cpp
+19 -4
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@@ -85,7 +85,7 @@ EX bool requested() {
}
struct raycaster : glhr::GLprogram {
GLint uStart, uStartid, uM, uLength, uFovX, uFovY, uIPD;
GLint uStart, uStartid, uM, uLength, uFovX, uFovY, uIPD, uShift;
GLint uWallstart, uWallX, uWallY;
GLint tConnections, tWallcolor, tTextureMap;
GLint uBinaryWidth, uPLevel, uLP, uStraighten, uReflectX, uReflectY;
@@ -100,6 +100,7 @@ struct raycaster : glhr::GLprogram {
uLength = glGetUniformLocation(_program, "uLength");
uFovX = glGetUniformLocation(_program, "uFovX");
uFovY = glGetUniformLocation(_program, "uFovY");
uShift = glGetUniformLocation(_program, "uShift");
uIPD = glGetUniformLocation(_program, "uIPD");
uWallstart = glGetUniformLocation(_program, "uWallstart");
@@ -117,6 +118,8 @@ struct raycaster : glhr::GLprogram {
uExpDecay = glGetUniformLocation(_program, "uExpDecay");
uExpStart = glGetUniformLocation(_program, "uExpStart");
uShift = glGetUniformLocation(_program, "uShift");
uBLevel = glGetUniformLocation(_program, "uBLevel");
tConnections = glGetUniformLocation(_program, "tConnections");
@@ -141,10 +144,10 @@ void enable_raycaster() {
string vsh =
"attribute mediump vec4 aPosition;\n"
"uniform mediump float uFovX, uFovY;\n"
"uniform mediump float uFovX, uFovY, uShift;\n"
"varying mediump vec4 at;\n"
"void main() { \n"
" gl_Position = aPosition; at = aPosition;\n"
" gl_Position = aPosition; at = aPosition; at.x += uShift;\n"
#if IN_ODS
" at[0] *= PI; at[1] *= PI; \n"
#else
@@ -801,9 +804,17 @@ EX void cast() {
glhr::makevertex(+1, -1, 1),
glhr::makevertex(+1, +1, 1)
};
ld d = current_display->eyewidth();
if(vid.stereo_mode == sLR) d = 2 * d - 1;
else d = -d;
glUniform1f(o->uShift, -global_projection * d);
auto& cd = current_display;
glUniform1f(o->uFovX, cd->tanfov);
cd->set_viewport(global_projection);
cd->set_mask(global_projection);
glUniform1f(o->uFovX, cd->tanfov / (vid.stereo_mode == sLR ? 2 : 1));
glUniform1f(o->uFovY, cd->tanfov * cd->ysize / cd->xsize);
deg = S7;
@@ -817,6 +828,10 @@ EX void cast() {
cell *cs = centerover;
transmatrix T = cview();
if(global_projection)
T = xpush(vid.ipd * global_projection/2) * T;
if(nonisotropic) T = NLP * T;
T = inverse(T);