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path: root/intern/cycles/blender/blender_object_cull.cpp
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Diffstat (limited to 'intern/cycles/blender/blender_object_cull.cpp')
-rw-r--r--intern/cycles/blender/blender_object_cull.cpp193
1 files changed, 93 insertions, 100 deletions
diff --git a/intern/cycles/blender/blender_object_cull.cpp b/intern/cycles/blender/blender_object_cull.cpp
index 680d9d7b1ff..74f8fb1dc53 100644
--- a/intern/cycles/blender/blender_object_cull.cpp
+++ b/intern/cycles/blender/blender_object_cull.cpp
@@ -22,72 +22,69 @@
CCL_NAMESPACE_BEGIN
-BlenderObjectCulling::BlenderObjectCulling(Scene *scene, BL::Scene& b_scene)
- : use_scene_camera_cull_(false),
- use_camera_cull_(false),
- camera_cull_margin_(0.0f),
- use_scene_distance_cull_(false),
- use_distance_cull_(false),
- distance_cull_margin_(0.0f)
+BlenderObjectCulling::BlenderObjectCulling(Scene *scene, BL::Scene &b_scene)
+ : use_scene_camera_cull_(false),
+ use_camera_cull_(false),
+ camera_cull_margin_(0.0f),
+ use_scene_distance_cull_(false),
+ use_distance_cull_(false),
+ distance_cull_margin_(0.0f)
{
- if(b_scene.render().use_simplify()) {
- PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
-
- use_scene_camera_cull_ = scene->camera->type != CAMERA_PANORAMA &&
- !b_scene.render().use_multiview() &&
- get_boolean(cscene, "use_camera_cull");
- use_scene_distance_cull_ = scene->camera->type != CAMERA_PANORAMA &&
- !b_scene.render().use_multiview() &&
- get_boolean(cscene, "use_distance_cull");
-
- camera_cull_margin_ = get_float(cscene, "camera_cull_margin");
- distance_cull_margin_ = get_float(cscene, "distance_cull_margin");
-
- if(distance_cull_margin_ == 0.0f) {
- use_scene_distance_cull_ = false;
- }
- }
+ if (b_scene.render().use_simplify()) {
+ PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
+
+ use_scene_camera_cull_ = scene->camera->type != CAMERA_PANORAMA &&
+ !b_scene.render().use_multiview() &&
+ get_boolean(cscene, "use_camera_cull");
+ use_scene_distance_cull_ = scene->camera->type != CAMERA_PANORAMA &&
+ !b_scene.render().use_multiview() &&
+ get_boolean(cscene, "use_distance_cull");
+
+ camera_cull_margin_ = get_float(cscene, "camera_cull_margin");
+ distance_cull_margin_ = get_float(cscene, "distance_cull_margin");
+
+ if (distance_cull_margin_ == 0.0f) {
+ use_scene_distance_cull_ = false;
+ }
+ }
}
-void BlenderObjectCulling::init_object(Scene *scene, BL::Object& b_ob)
+void BlenderObjectCulling::init_object(Scene *scene, BL::Object &b_ob)
{
- if(!use_scene_camera_cull_ && !use_scene_distance_cull_) {
- return;
- }
+ if (!use_scene_camera_cull_ && !use_scene_distance_cull_) {
+ return;
+ }
- PointerRNA cobject = RNA_pointer_get(&b_ob.ptr, "cycles");
+ PointerRNA cobject = RNA_pointer_get(&b_ob.ptr, "cycles");
- use_camera_cull_ = use_scene_camera_cull_ && get_boolean(cobject, "use_camera_cull");
- use_distance_cull_ = use_scene_distance_cull_ && get_boolean(cobject, "use_distance_cull");
+ use_camera_cull_ = use_scene_camera_cull_ && get_boolean(cobject, "use_camera_cull");
+ use_distance_cull_ = use_scene_distance_cull_ && get_boolean(cobject, "use_distance_cull");
- if(use_camera_cull_ || use_distance_cull_) {
- /* Need to have proper projection matrix. */
- scene->camera->update(scene);
- }
+ if (use_camera_cull_ || use_distance_cull_) {
+ /* Need to have proper projection matrix. */
+ scene->camera->update(scene);
+ }
}
-bool BlenderObjectCulling::test(Scene *scene, BL::Object& b_ob, Transform& tfm)
+bool BlenderObjectCulling::test(Scene *scene, BL::Object &b_ob, Transform &tfm)
{
- if(!use_camera_cull_ && !use_distance_cull_) {
- return false;
- }
-
- /* Compute world space bounding box corners. */
- float3 bb[8];
- BL::Array<float, 24> boundbox = b_ob.bound_box();
- for(int i = 0; i < 8; ++i) {
- float3 p = make_float3(boundbox[3 * i + 0],
- boundbox[3 * i + 1],
- boundbox[3 * i + 2]);
- bb[i] = transform_point(&tfm, p);
- }
-
- bool camera_culled = use_camera_cull_ && test_camera(scene, bb);
- bool distance_culled = use_distance_cull_ && test_distance(scene, bb);
-
- return ((camera_culled && distance_culled) ||
- (camera_culled && !use_distance_cull_) ||
- (distance_culled && !use_camera_cull_));
+ if (!use_camera_cull_ && !use_distance_cull_) {
+ return false;
+ }
+
+ /* Compute world space bounding box corners. */
+ float3 bb[8];
+ BL::Array<float, 24> boundbox = b_ob.bound_box();
+ for (int i = 0; i < 8; ++i) {
+ float3 p = make_float3(boundbox[3 * i + 0], boundbox[3 * i + 1], boundbox[3 * i + 2]);
+ bb[i] = transform_point(&tfm, p);
+ }
+
+ bool camera_culled = use_camera_cull_ && test_camera(scene, bb);
+ bool distance_culled = use_distance_cull_ && test_distance(scene, bb);
+
+ return ((camera_culled && distance_culled) || (camera_culled && !use_distance_cull_) ||
+ (distance_culled && !use_camera_cull_));
}
/* TODO(sergey): Not really optimal, consider approaches based on k-DOP in order
@@ -95,54 +92,50 @@ bool BlenderObjectCulling::test(Scene *scene, BL::Object& b_ob, Transform& tfm)
*/
bool BlenderObjectCulling::test_camera(Scene *scene, float3 bb[8])
{
- Camera *cam = scene->camera;
- const ProjectionTransform& worldtondc = cam->worldtondc;
- float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
- bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
- bool all_behind = true;
- for(int i = 0; i < 8; ++i) {
- float3 p = bb[i];
- float4 b = make_float4(p.x, p.y, p.z, 1.0f);
- float4 c = make_float4(dot(worldtondc.x, b),
- dot(worldtondc.y, b),
- dot(worldtondc.z, b),
- dot(worldtondc.w, b));
- p = float4_to_float3(c / c.w);
- if(c.z < 0.0f) {
- p.x = 1.0f - p.x;
- p.y = 1.0f - p.y;
- }
- if(c.z >= -camera_cull_margin_) {
- all_behind = false;
- }
- bb_min = min(bb_min, p);
- bb_max = max(bb_max, p);
- }
- if(all_behind) {
- return true;
- }
- return (bb_min.x >= 1.0f + camera_cull_margin_ ||
- bb_min.y >= 1.0f + camera_cull_margin_ ||
- bb_max.x <= -camera_cull_margin_ ||
- bb_max.y <= -camera_cull_margin_);
+ Camera *cam = scene->camera;
+ const ProjectionTransform &worldtondc = cam->worldtondc;
+ float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
+ bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
+ bool all_behind = true;
+ for (int i = 0; i < 8; ++i) {
+ float3 p = bb[i];
+ float4 b = make_float4(p.x, p.y, p.z, 1.0f);
+ float4 c = make_float4(
+ dot(worldtondc.x, b), dot(worldtondc.y, b), dot(worldtondc.z, b), dot(worldtondc.w, b));
+ p = float4_to_float3(c / c.w);
+ if (c.z < 0.0f) {
+ p.x = 1.0f - p.x;
+ p.y = 1.0f - p.y;
+ }
+ if (c.z >= -camera_cull_margin_) {
+ all_behind = false;
+ }
+ bb_min = min(bb_min, p);
+ bb_max = max(bb_max, p);
+ }
+ if (all_behind) {
+ return true;
+ }
+ return (bb_min.x >= 1.0f + camera_cull_margin_ || bb_min.y >= 1.0f + camera_cull_margin_ ||
+ bb_max.x <= -camera_cull_margin_ || bb_max.y <= -camera_cull_margin_);
}
bool BlenderObjectCulling::test_distance(Scene *scene, float3 bb[8])
{
- float3 camera_position = transform_get_column(&scene->camera->matrix, 3);
- float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
- bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
-
- /* Find min & max points for x & y & z on bounding box */
- for(int i = 0; i < 8; ++i) {
- float3 p = bb[i];
- bb_min = min(bb_min, p);
- bb_max = max(bb_max, p);
- }
-
- float3 closest_point = max(min(bb_max,camera_position),bb_min);
- return (len_squared(camera_position - closest_point) >
- distance_cull_margin_ * distance_cull_margin_);
+ float3 camera_position = transform_get_column(&scene->camera->matrix, 3);
+ float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
+ bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
+
+ /* Find min & max points for x & y & z on bounding box */
+ for (int i = 0; i < 8; ++i) {
+ float3 p = bb[i];
+ bb_min = min(bb_min, p);
+ bb_max = max(bb_max, p);
+ }
+
+ float3 closest_point = max(min(bb_max, camera_position), bb_min);
+ return (len_squared(camera_position - closest_point) >
+ distance_cull_margin_ * distance_cull_margin_);
}
CCL_NAMESPACE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 03:04:13 +0300