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Merge pull request #35406 from lawnjelly/ortho-shadow

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Replace CameraMatrix::get_viewport_size with get_viewport_half_extents, shadow culling with ortho camera and other affected issues
This commit is contained in:
Rémi Verschelde 2020-01-22 22:02:09 +01:00 committed by GitHub
commit 37897dba80
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 37 additions and 40 deletions
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10
core/math/camera_matrix.cpp
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@ -247,7 +247,7 @@ real_t CameraMatrix::get_z_near() const {
return new_plane.d;
}
void CameraMatrix::get_viewport_size(real_t &r_width, real_t &r_height) const {
Vector2 CameraMatrix::get_viewport_half_extents() const {
const real_t *matrix = (const real_t *)this->matrix;
///////--- Near Plane ---///////
@ -273,8 +273,7 @@ void CameraMatrix::get_viewport_size(real_t &r_width, real_t &r_height) const {
Vector3 res;
near_plane.intersect_3(right_plane, top_plane, &res);
r_width = res.x;
r_height = res.y;
return Vector2(res.x, res.y);
}
bool CameraMatrix::get_endpoints(const Transform &p_transform, Vector3 *p_8points) const {
@ -563,9 +562,8 @@ CameraMatrix::operator String() const {
real_t CameraMatrix::get_aspect() const {
real_t w, h;
get_viewport_size(w, h);
return w / h;
Vector2 vp_he = get_viewport_half_extents();
return vp_he.x / vp_he.y;
}
int CameraMatrix::get_pixels_per_meter(int p_for_pixel_width) const {

2
core/math/camera_matrix.h
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@ -73,7 +73,7 @@ struct CameraMatrix {
Vector<Plane> get_projection_planes(const Transform &p_transform) const;
bool get_endpoints(const Transform &p_transform, Vector3 *p_8points) const;
void get_viewport_size(real_t &r_width, real_t &r_height) const;
Vector2 get_viewport_half_extents() const;
void invert();
CameraMatrix inverse() const;

8
drivers/gles2/rasterizer_scene_gles2.cpp
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@ -2658,14 +2658,14 @@ void RasterizerSceneGLES2::_draw_sky(RasterizerStorageGLES2::Sky *p_sky, const C
};
if (!asymmetrical) {
float vw, vh, zn;
camera.get_viewport_size(vw, vh);
Vector2 vp_he = camera.get_viewport_half_extents();
float zn;
zn = p_projection.get_z_near();
for (int i = 0; i < 4; i++) {
Vector3 uv = vertices[i * 2 + 1];
uv.x = (uv.x * 2.0 - 1.0) * vw;
uv.y = -(uv.y * 2.0 - 1.0) * vh;
uv.x = (uv.x * 2.0 - 1.0) * vp_he.x;
uv.y = -(uv.y * 2.0 - 1.0) * vp_he.y;
uv.z = -zn;
vertices[i * 2 + 1] = p_transform.basis.xform(uv).normalized();
vertices[i * 2 + 1].z = -vertices[i * 2 + 1].z;

18
drivers/gles3/rasterizer_scene_gles3.cpp
View File

@ -2497,14 +2497,14 @@ void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const C
};
if (!asymmetrical) {
float vw, vh, zn;
camera.get_viewport_size(vw, vh);
Vector2 vp_he = camera.get_viewport_half_extents();
float zn;
zn = p_projection.get_z_near();
for (int i = 0; i < 4; i++) {
Vector3 uv = vertices[i * 2 + 1];
uv.x = (uv.x * 2.0 - 1.0) * vw;
uv.y = -(uv.y * 2.0 - 1.0) * vh;
uv.x = (uv.x * 2.0 - 1.0) * vp_he.x;
uv.y = -(uv.y * 2.0 - 1.0) * vp_he.y;
uv.z = -zn;
vertices[i * 2 + 1] = p_transform.basis.xform(uv).normalized();
vertices[i * 2 + 1].z = -vertices[i * 2 + 1].z;
@ -4130,11 +4130,15 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
state.ubo_data.shadow_dual_paraboloid_render_zfar = 0;
state.ubo_data.opaque_prepass_threshold = 0.99;
p_cam_projection.get_viewport_size(state.ubo_data.viewport_size[0], state.ubo_data.viewport_size[1]);
int viewport_width_pixels = storage->frame.current_rt->width;
int viewport_height_pixels = storage->frame.current_rt->height;
state.ubo_data.viewport_size[0] = viewport_width_pixels;
state.ubo_data.viewport_size[1] = viewport_height_pixels;
if (storage->frame.current_rt) {
state.ubo_data.screen_pixel_size[0] = 1.0 / storage->frame.current_rt->width;
state.ubo_data.screen_pixel_size[1] = 1.0 / storage->frame.current_rt->height;
state.ubo_data.screen_pixel_size[0] = 1.0 / viewport_width_pixels;
state.ubo_data.screen_pixel_size[1] = 1.0 / viewport_height_pixels;
}
_setup_environment(env, p_cam_projection, p_cam_transform, p_reflection_probe.is_valid());

5
editor/plugins/spatial_editor_plugin.cpp
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@ -428,8 +428,7 @@ Vector3 SpatialEditorViewport::_get_screen_to_space(const Vector3 &p_vector3) {
} else {
cm.set_perspective(get_fov(), get_size().aspect(), get_znear() + p_vector3.z, get_zfar());
}
float screen_w, screen_h;
cm.get_viewport_size(screen_w, screen_h);
Vector2 screen_he = cm.get_viewport_half_extents();
Transform camera_transform;
camera_transform.translate(cursor.pos);
@ -437,7 +436,7 @@ Vector3 SpatialEditorViewport::_get_screen_to_space(const Vector3 &p_vector3) {
camera_transform.basis.rotate(Vector3(0, 1, 0), -cursor.y_rot);
camera_transform.translate(0, 0, cursor.distance);
return camera_transform.xform(Vector3(((p_vector3.x / get_size().width) * 2.0 - 1.0) * screen_w, ((1.0 - (p_vector3.y / get_size().height)) * 2.0 - 1.0) * screen_h, -(get_znear() + p_vector3.z)));
return camera_transform.xform(Vector3(((p_vector3.x / get_size().width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (p_vector3.y / get_size().height)) * 2.0 - 1.0) * screen_he.y, -(get_znear() + p_vector3.z)));
}
void SpatialEditorViewport::_select_region() {

10
scene/3d/arvr_nodes.cpp
View File

@ -85,9 +85,8 @@ Vector3 ARVRCamera::project_local_ray_normal(const Point2 &p_pos) const {
Vector3 ray;
CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
float screen_w, screen_h;
cm.get_viewport_size(screen_w, screen_h);
ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_w, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_h, -get_znear()).normalized();
Vector2 screen_he = cm.get_viewport_half_extents();
ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_he.y, -get_znear()).normalized();
return ray;
};
@ -138,13 +137,12 @@ Vector3 ARVRCamera::project_position(const Point2 &p_point, float p_z_depth) con
CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
Size2 vp_size;
cm.get_viewport_size(vp_size.x, vp_size.y);
Vector2 vp_he = cm.get_viewport_half_extents();
Vector2 point;
point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
point *= vp_size;
point *= vp_he;
Vector3 p(point.x, point.y, -p_z_depth);

10
scene/3d/camera.cpp
View File

@ -291,9 +291,8 @@ Vector3 Camera::project_local_ray_normal(const Point2 &p_pos) const {
} else {
CameraMatrix cm;
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
float screen_w, screen_h;
cm.get_viewport_size(screen_w, screen_h);
ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_w, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_h, -near).normalized();
Vector2 screen_he = cm.get_viewport_half_extents();
ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_he.y, -near).normalized();
}
return ray;
@ -402,13 +401,12 @@ Vector3 Camera::project_position(const Point2 &p_point, float p_z_depth) const {
else
cm.set_perspective(fov, viewport_size.aspect(), p_z_depth, far, keep_aspect == KEEP_WIDTH);
Size2 vp_size;
cm.get_viewport_size(vp_size.x, vp_size.y);
Vector2 vp_he = cm.get_viewport_half_extents();
Vector2 point;
point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
point *= vp_size;
point *= vp_he;
Vector3 p(point.x, point.y, -p_z_depth);

14
servers/visual/visual_server_scene.cpp
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@ -1400,9 +1400,9 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
if (p_cam_orthogonal) {
float w, h;
p_cam_projection.get_viewport_size(w, h);
camera_matrix.set_orthogonal(w, aspect, distances[(i == 0 || !overlap) ? i : i - 1], distances[i + 1], false);
Vector2 vp_he = p_cam_projection.get_viewport_half_extents();
camera_matrix.set_orthogonal(vp_he.y * 2.0, aspect, distances[(i == 0 || !overlap) ? i : i - 1], distances[i + 1], false);
} else {
float fov = p_cam_projection.get_fov();
@ -2090,8 +2090,8 @@ void VisualServerScene::_prepare_scene(const Transform p_cam_transform, const Ca
float zn = p_cam_projection.get_z_near();
Plane p(cam_xf.origin + cam_xf.basis.get_axis(2) * -zn, -cam_xf.basis.get_axis(2)); //camera near plane
float vp_w, vp_h; //near plane size in screen coordinates
p_cam_projection.get_viewport_size(vp_w, vp_h);
// near plane half width and height
Vector2 vp_half_extents = p_cam_projection.get_viewport_half_extents();
switch (VSG::storage->light_get_type(ins->base)) {
@ -2117,7 +2117,7 @@ void VisualServerScene::_prepare_scene(const Transform p_cam_transform, const Ca
}
float screen_diameter = points[0].distance_to(points[1]) * 2;
coverage = screen_diameter / (vp_w + vp_h);
coverage = screen_diameter / (vp_half_extents.x + vp_half_extents.y);
} break;
case VS::LIGHT_SPOT: {
@ -2146,7 +2146,7 @@ void VisualServerScene::_prepare_scene(const Transform p_cam_transform, const Ca
}
float screen_diameter = points[0].distance_to(points[1]) * 2;
coverage = screen_diameter / (vp_w + vp_h);
coverage = screen_diameter / (vp_half_extents.x + vp_half_extents.y);
} break;
default: {