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Factor out VR stereo subcanvas initialization

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This commit is contained in:
Kp 2021-09-12 16:20:52 +00:00
parent 98f2578293
commit 4d3c38084d
1 changed files with 36 additions and 13 deletions
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49
similar/main/game.cpp
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@ -362,26 +362,49 @@ void game_init_render_sub_buffers( int x, int y, int w, int h )
// offset HUD screen rects to force out-of-screen parallax on HUD overlays
int dx = (VR_eye_offset < 0) ? -VR_eye_offset : 0;
int dy = VR_sync_width / 2;
struct {
uint16_t x;
uint16_t y;
uint16_t w;
uint16_t h;
} l, r;
switch (VR_stereo) {
case StereoFormat::None:
break;
default:
return;
case StereoFormat::AboveBelow:
gr_init_sub_canvas(VR_hud_left, grd_curscreen->sc_canvas, x+dx, y, w-dx, h);
gr_init_sub_canvas(VR_hud_right, grd_curscreen->sc_canvas, x, y+h, w-dx, h);
break;
l.x = x + dx;
l.y = y;
l.w = r.w = w - dx;
l.h = r.h = h;
r.x = x;
r.y = y + h;
break;
case StereoFormat::AboveBelowSync:
gr_init_sub_canvas(VR_hud_left, grd_curscreen->sc_canvas, x+dx, y, w-dx, h-dy);
gr_init_sub_canvas(VR_hud_right, grd_curscreen->sc_canvas, x, y+h+dy, w-dx, h-dy);
break;
l.x = x + dx;
l.y = y;
l.w = r.w = w - dx;
l.h = r.h = h - dy;
r.x = x;
r.y = y + h + dy;
break;
case StereoFormat::SideBySideFullHeight:
gr_init_sub_canvas(VR_hud_left, grd_curscreen->sc_canvas, x+dx, y, w-dx, h);
gr_init_sub_canvas(VR_hud_right, grd_curscreen->sc_canvas, x+w, y, w-dx, h);
break;
l.x = x + dx;
l.y = r.y = y;
l.w = r.w = w - dx;
l.h = r.h = h;
r.x = x + w;
break;
case StereoFormat::SideBySideHalfHeight:
gr_init_sub_canvas(VR_hud_left, grd_curscreen->sc_canvas, x+dx, y+h/2, w-dx, h);
gr_init_sub_canvas(VR_hud_right, grd_curscreen->sc_canvas, x+w, y+h/2, w-dx, h);
break;
l.x = x + dx;
l.y = r.y = y + (h / 2);
l.w = r.w = w - dx;
l.h = r.h = h;
r.x = x + w;
break;
}
gr_init_sub_canvas(VR_hud_left, grd_curscreen->sc_canvas, l.x, l.y, l.w, l.h);
gr_init_sub_canvas(VR_hud_right, grd_curscreen->sc_canvas, r.x, r.y, r.w, r.h);
}
}