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Improvements to VRS/Foveated rendering

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This commit is contained in:
Bastiaan Olij
2024-03-26 12:57:26 +11:00
parent 34b5e8f55c
commit 9042ddf19f
38 changed files with 708 additions and 124 deletions
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54
modules/mobile_vr/mobile_vr_interface.cpp
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@ -250,6 +250,16 @@ void MobileVRInterface::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "oversample", PROPERTY_HINT_RANGE, "1.0,2.0,0.1"), "set_oversample", "get_oversample");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "k1", PROPERTY_HINT_RANGE, "0.1,10.0,0.0001"), "set_k1", "get_k1");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "k2", PROPERTY_HINT_RANGE, "0.1,10.0,0.0001"), "set_k2", "get_k2");
ClassDB::bind_method(D_METHOD("get_vrs_min_radius"), &MobileVRInterface::get_vrs_min_radius);
ClassDB::bind_method(D_METHOD("set_vrs_min_radius", "radius"), &MobileVRInterface::set_vrs_min_radius);
ClassDB::bind_method(D_METHOD("get_vrs_strength"), &MobileVRInterface::get_vrs_strength);
ClassDB::bind_method(D_METHOD("set_vrs_strength", "strength"), &MobileVRInterface::set_vrs_strength);
ADD_GROUP("Vulkan VRS", "vrs_");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "vrs_min_radius", PROPERTY_HINT_RANGE, "1.0,100.0,1.0"), "set_vrs_min_radius", "get_vrs_min_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "vrs_strength", PROPERTY_HINT_RANGE, "0.1,10.0,0.1"), "set_vrs_strength", "get_vrs_strength");
}
void MobileVRInterface::set_eye_height(const double p_eye_height) {
@ -316,6 +326,22 @@ double MobileVRInterface::get_k2() const {
return k2;
};
float MobileVRInterface::get_vrs_min_radius() const {
return xr_vrs.get_vrs_min_radius();
}
void MobileVRInterface::set_vrs_min_radius(float p_vrs_min_radius) {
xr_vrs.set_vrs_min_radius(p_vrs_min_radius);
}
float MobileVRInterface::get_vrs_strength() const {
return xr_vrs.get_vrs_strength();
}
void MobileVRInterface::set_vrs_strength(float p_vrs_strength) {
xr_vrs.set_vrs_strength(p_vrs_strength);
}
uint32_t MobileVRInterface::get_view_count() {
// needs stereo...
return 2;
@ -489,11 +515,16 @@ Vector<BlitToScreen> MobileVRInterface::post_draw_viewport(RID p_render_target,
Vector<BlitToScreen> blit_to_screen;
// We must have a valid render target
// We must have a valid render target.
ERR_FAIL_COND_V(!p_render_target.is_valid(), blit_to_screen);
// Because we are rendering to our device we must use our main viewport!
ERR_FAIL_COND_V(p_screen_rect == Rect2(), blit_to_screen);
// We will only output to screen if this is our main viewport.
if (p_screen_rect == Rect2()) {
// Warn the developer once, it's up to the developer to output to screen.
WARN_PRINT_ONCE("SubViewport used with MobileVRInterface, no output to screen");
return blit_to_screen;
}
Rect2 modified_screen_rect = Rect2(p_screen_rect.position + offset_rect.position * p_screen_rect.size, p_screen_rect.size * offset_rect.size);
@ -542,6 +573,23 @@ void MobileVRInterface::process() {
};
};
RID MobileVRInterface::get_vrs_texture() {
PackedVector2Array eye_foci;
Size2 target_size = get_render_target_size();
real_t aspect_ratio = target_size.x / target_size.y;
uint32_t view_count = get_view_count();
for (uint32_t v = 0; v < view_count; v++) {
Projection cm = get_projection_for_view(v, aspect_ratio, 0.1, 1000.0);
Vector3 center = cm.xform(Vector3(0.0, 0.0, 999.0));
eye_foci.push_back(Vector2(center.x, center.y));
}
return xr_vrs.make_vrs_texture(target_size, eye_foci);
}
MobileVRInterface::MobileVRInterface() {}
MobileVRInterface::~MobileVRInterface() {