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Code Issues Releases Wiki Activity

'cylidrical' stereo mode

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Zeno Rogue 2024-01-07 09:13:31 +01:00
parent cb8a3f5424
commit 0c34e9fd34
4 changed files with 15 additions and 3 deletions
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3
config.cpp
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@ -1385,7 +1385,8 @@ EX void initConfig() {
{"ODS", "for rendering 360° VR videos (implemented only in raycaster and some other parts)"},
{"Panini", "Projection believed to be used by Italian painters. Allows very high FOV angles while rendering more straight lines as straight than the stereographic projection."},
{"stereographic", "Stereographic projection allows very high FOV angles."},
{"equirectangular", "for rendering 360° videos (implemented only in raycaster)"}
{"equirectangular", "for rendering 360° videos (implemented only in raycaster)"},
{"cylindrical", "full vertical (not implemented in raycaster)"}
}, "stereo/high-FOV mode", 'm')
->set_reaction(reset_all_shaders);

2
graph.cpp
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@ -4119,7 +4119,7 @@ EX ld threshold, xyz_threshold;
EX bool clip_checked = false;
EX bool other_stereo_mode() {
return among(vid.stereo_mode, sODS, sPanini, sStereographic, sEquirectangular);
return vid.stereo_mode != sOFF;
}
void make_clipping_planes() {

2
hyper.h
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@ -250,7 +250,7 @@ struct charstyle {
bool lefthanded;
};
enum eStereo { sOFF, sAnaglyph, sLR, sODS, sPanini, sStereographic, sEquirectangular };
enum eStereo { sOFF, sAnaglyph, sLR, sODS, sPanini, sStereographic, sEquirectangular, sCylindrical };
enum eModel : int;

11
shaders.cpp
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@ -82,6 +82,12 @@ EX string panini_shader() {
"t.w = 1.;\n";
}
EX string cylindrical_shader() {
return
"t /= t.w;\n"
"t.y = atan2(t.y, length(t.xz)) * length(t.xz) * 2. / PI;\n";
}
EX string stereo_shader() {
return
"t.w += 1.; t *= 2. / t.w; t.w -= 1.;\n"
@ -521,6 +527,11 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
vmain += panini_shader();
shader_flags |= SF_ORIENT;
}
else if((shader_flags & SF_PERS3) && vid.stereo_mode == sCylindrical && !vrhr::rendering_eye()) {
vmain += "t = uPP * t;", vsh += "uniform mediump mat4 uPP;";
vmain += cylindrical_shader();
shader_flags |= SF_ORIENT;
}
else if((shader_flags & SF_PERS3) && vid.stereo_mode == sStereographic && !vrhr::rendering_eye()) {
vmain += "t = uPP * t;", vsh += "uniform mediump mat4 uPP;";
vmain += stereo_shader();