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Add support for projectors in spot and omni lights.

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This commit is contained in:
Juan Linietsky 2020-04-14 17:05:45 -03:00
parent 5e5103f460
commit 6f293ed795
12 changed files with 253 additions and 36 deletions
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32
servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp
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@ -1841,6 +1841,30 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig
light_data.atlas_rect[2] = 0;
light_data.atlas_rect[3] = 0;
RID projector = storage->light_get_projector(base);
if (projector.is_valid()) {
Rect2 rect = storage->decal_atlas_get_texture_rect(projector);
if (type == RS::LIGHT_SPOT) {
light_data.projector_rect[0] = rect.position.x;
light_data.projector_rect[1] = rect.position.y + rect.size.height; //flip because shadow is flipped
light_data.projector_rect[2] = rect.size.width;
light_data.projector_rect[3] = -rect.size.height;
} else {
light_data.projector_rect[0] = rect.position.x;
light_data.projector_rect[1] = rect.position.y;
light_data.projector_rect[2] = rect.size.width;
light_data.projector_rect[3] = rect.size.height * 0.5; //used by dp, so needs to be half
}
} else {
light_data.projector_rect[0] = 0;
light_data.projector_rect[1] = 0;
light_data.projector_rect[2] = 0;
light_data.projector_rect[3] = 0;
}
if (p_using_shadows && p_shadow_atlas.is_valid() && shadow_atlas_owns_light_instance(p_shadow_atlas, li)) {
// fill in the shadow information
@ -1892,17 +1916,11 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig
} else if (type == RS::LIGHT_SPOT) {
//used for clamping in this light type
light_data.atlas_rect[2] += light_data.atlas_rect[0];
light_data.atlas_rect[3] += light_data.atlas_rect[1];
Transform modelview = (p_camera_inverse_transform * light_transform).inverse();
CameraMatrix bias;
bias.set_light_bias();
CameraMatrix rectm;
rectm.set_light_atlas_rect(rect);
CameraMatrix shadow_mtx = rectm * bias * light_instance_get_shadow_camera(li, 0) * modelview;
CameraMatrix shadow_mtx = bias * light_instance_get_shadow_camera(li, 0) * modelview;
store_camera(shadow_mtx, light_data.shadow_matrix);
if (size > 0.0) {