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various changes and fixes to make coolfog and sky work correctly in VR

This commit is contained in:
Zeno Rogue 2021-03-09 13:12:53 +01:00
parent 9f5591249a
commit 56485f20a9
6 changed files with 44 additions and 32 deletions
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4
basegraph.cpp
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@ -343,10 +343,6 @@ EX void setGLProjection(color_t col IS(backcolor)) {
glClearColor(part(col, 2) / 255.0, part(col, 1) / 255.0, part(col, 0) / 255.0, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
#if CAP_VR
vrhr::clear();
#endif
GLERR("setGLProjection #1");
glEnable(GL_BLEND);

9
drawing.cpp
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@ -2178,11 +2178,6 @@ void dqi_line::draw_back() {
}
EX void sort_drawqueue() {
#if MAXMDIM >= 4 && CAP_GL
if(WDIM == 2 && GDIM == 3 && hyperbolic) make_air();
#endif
DEBBI(DF_GRAPH, ("sort_drawqueue"));
for(int a=0; a<PMAX; a++) qp[a] = 0;
@ -2387,6 +2382,10 @@ EX void drawqueue() {
#if CAP_WRL
if(wrl::in) { wrl::render(); return; }
#endif
#if MAXMDIM >= 4 && CAP_GL
if(WDIM == 2 && GDIM == 3 && hyperbolic && !vrhr::rendering()) make_air();
#endif
#if CAP_VR
if(vrhr::should_render() == 1) {

5
graph.cpp
View File

@ -5193,6 +5193,11 @@ EX void drawscreen() {
#if CAP_GL
if(vid.usingGL) setGLProjection();
#endif
#if CAP_VR
vrhr::clear();
#endif
#if CAP_SDL
// SDL_LockSurface(s);

19
shaders.cpp
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@ -132,6 +132,8 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
bool skip_t = false;
bool azi_hyperbolic = false;
if(vid.stereo_mode == sODS) {
shader_flags |= SF_DIRECT | SF_ODSBOX;
vmain += "// this is ODS shader\n";
@ -304,6 +306,8 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
shader_flags |= SF_PERS3 | SF_DIRECT;
#if CAP_VR
if(vrhr::rendering() && hyperbolic && vrhr::eyes != vrhr::eEyes::truesim) {
azi_hyperbolic = true;
coordinator += "mediump vec4 orig_t = t;\n";
coordinator +=
"t = t * acosh(t[3]) / length(t.xyz);\n"
"t[3] = 1.;\n";
@ -312,7 +316,7 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
else
#endif
if(hyperbolic)
distfun = "acosh(t[3])", treset = true;
distfun = "acosh(t[3])";
else if(euclid || nonisotropic || stretch::in() || (sphere && ray::in_use))
distfun = "length(t.xyz)", treset = true;
else {
@ -345,11 +349,7 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
if(!skip_t) {
vmain += "mediump vec4 t = uMV * aPosition;\n";
vmain += coordinator;
bool ok = true;
#if CAP_VR
if(vrhr::active()) ok = false;
#endif
if(GDIM == 3 && WDIM == 2 && hyperbolic && context_fog && ok && pmodel == mdPerspective) {
if(GDIM == 3 && WDIM == 2 && hyperbolic && context_fog && pmodel == mdPerspective) {
vsh +=
"uniform mediump mat4 uRadarTransform;\n"
"uniform mediump sampler2D tAirMap;\n"
@ -363,8 +363,13 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
" return texture2D(tAirMap, pt.xy);\n"
" }\n";
if(azi_hyperbolic) vmain +=
"vec4 ending = uRadarTransform * orig_t;\n";
else vmain +=
"vec4 ending = uRadarTransform * t;\n";
vmain +=
"vec4 ending = uRadarTransform * t;\n"
"float len = acosh(ending.w);\n"
"float eulen = length(ending.xyz);\n"
"ending.xyz /= eulen;\n"

26
sky.cpp
View File

@ -138,13 +138,8 @@ void compute_skyvertices(const vector<sky_item>& sky) {
void dqi_sky::draw() {
if(!vid.usingGL || sky.empty()) return;
if(centerover != sky_centerover) {
sky_centerover = centerover;
sky_cview = cview();
compute_skyvertices(sky);
}
transmatrix s = cview().T * inverse(sky_cview.T);
transmatrix s = (vrhr::rendering() ? vrhr::master_cview : cview()).T * inverse(sky_cview.T);
for(int ed = current_display->stereo_active() ? -1 : 0; ed<2; ed+=2) {
if(global_projection && global_projection != ed) continue;
current_display->next_shader_flags = GF_VARCOLOR;
@ -153,8 +148,9 @@ void dqi_sky::draw() {
glhr::projection_multiply(glhr::tmtogl(xpush(-vid.ipd * global_projection/2)));
glapplymatrix(xpush(vid.ipd * global_projection/2) * s);
}
else
else {
glapplymatrix(s);
}
glhr::prepare(skyvertices);
glhr::set_fogbase(1.0 + 5 / sightranges[geometry]);
glhr::set_depthtest(model_needs_depth() && prio < PPR::SUPERLINE);
@ -382,7 +378,15 @@ EX struct renderbuffer *airbuf;
EX void make_air() {
if(!sky) return;
if(vrhr::active()) return;
if(centerover != sky_centerover) {
sky_centerover = centerover;
sky_cview = cview();
compute_skyvertices(sky->sky);
}
if(!context_fog) return;
const int AIR_TEXTURE = 512;
if(!airbuf) {
airbuf = new renderbuffer(AIR_TEXTURE, AIR_TEXTURE, true);
@ -394,6 +398,10 @@ EX void make_air() {
}
}
#if CAP_VR
dynamicval<int> i(vrhr::state, 0);
#endif
if(1) {
//shot::take("airtest.png", drawqueue);
dynamicval<videopar> v(vid, vid);

13
vr.cpp
View File

@ -1005,23 +1005,24 @@ EX void gen_mv() {
}
}
EX shiftmatrix master_cview;
EX void render() {
track_poses();
resetbuffer rb;
state = 2;
// eyes = lshiftclick ? eEyes::truesim : eEyes::equidistant;
// cscr = lshiftclick ? eCompScreen::eyes : eCompScreen::single;
for(int i=0; i<3; i++) {
if(1) {
make_actual_view();
shiftmatrix Tv = cview();
master_cview = cview();
dynamicval<transmatrix> tN(NLP, NLP);
dynamicval<transmatrix> tV(View, View);
dynamicval<transmatrix> tC(current_display->which_copy, current_display->which_copy);
dynamicval<transmatrix> trt(radar_transform);
if(hsm == eHeadset::rotation_only) {
transmatrix T = hmd_at;
@ -1038,10 +1039,8 @@ EX void render() {
}
make_actual_view();
hmd_pre = hmd_pre_for[i] = cview().T * inverse(Tv.T);
// inverse_shift(Tv, cview());
// View * inverse(Tv.T);
// inverse(inverse_shift(cview(), Tv));
hmd_pre = hmd_pre_for[i] = cview().T * inverse(master_cview.T);
radar_transform = trt.backup * inverse(hmd_pre);
if(1) {
gen_mv();