diff options
Diffstat (limited to 'intern/cycles/render/object.cpp')
| -rw-r--r-- | intern/cycles/render/object.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/intern/cycles/render/object.cpp b/intern/cycles/render/object.cpp index 5dbe2e4d6a1..eeb44f46685 100644 --- a/intern/cycles/render/object.cpp +++ b/intern/cycles/render/object.cpp @@ -29,6 +29,8 @@ #include "util_progress.h" #include "util_vector.h" +#include "subd_patch_table.h" + CCL_NAMESPACE_BEGIN /* Object */ @@ -607,6 +609,37 @@ void ObjectManager::device_update_flags(Device *device, device->tex_alloc("__object_flag", dscene->object_flag); } +void ObjectManager::device_update_patch_map_offsets(Device *device, DeviceScene *dscene, Scene *scene) +{ + uint4* objects = (uint4*)dscene->objects.get_data(); + + bool update = false; + + int object_index = 0; + foreach(Object *object, scene->objects) { + int offset = object_index*OBJECT_SIZE + 11; + + Mesh* mesh = object->mesh; + + if(mesh->patch_table) { + uint patch_map_offset = 2*(mesh->patch_table_offset + mesh->patch_table->total_size() - + mesh->patch_table->num_nodes * PATCH_NODE_SIZE) - mesh->patch_offset; + + if(objects[offset].x != patch_map_offset) { + objects[offset].x = patch_map_offset; + update = true; + } + } + + object_index++; + } + + if(update) { + device->tex_free(dscene->objects); + device->tex_alloc("__objects", dscene->objects); + } +} + void ObjectManager::device_free(Device *device, DeviceScene *dscene) { device->tex_free(dscene->objects); |