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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __SCENE_H__
#define __SCENE_H__
#include "image.h"
#include "device_memory.h"
#include "kernel_types.h"
#include "util_attribute.h"
#include "util_param.h"
#include "util_string.h"
#include "util_thread.h"
#include "util_types.h"
#include "util_vector.h"
CCL_NAMESPACE_BEGIN
class AttributeRequestSet;
class Background;
class Camera;
class Device;
class DeviceInfo;
class Film;
class Filter;
class Integrator;
class Light;
class LightManager;
class Mesh;
class MeshManager;
class Object;
class ObjectManager;
class ParticleSystemManager;
class ParticleSystem;
class Shader;
class ShaderManager;
class Progress;
/* Scene Device Data */
class DeviceScene {
public:
/* BVH */
device_vector<float4> bvh_nodes;
device_vector<uint> object_node;
device_vector<float4> tri_woop;
device_vector<uint> prim_visibility;
device_vector<uint> prim_index;
device_vector<uint> prim_object;
/* mesh */
device_vector<float4> tri_normal;
device_vector<float4> tri_vnormal;
device_vector<float4> tri_vindex;
device_vector<float4> tri_verts;
/* objects */
device_vector<float4> objects;
/* attributes */
device_vector<uint4> attributes_map;
device_vector<float> attributes_float;
device_vector<float4> attributes_float3;
/* lights */
device_vector<float4> light_distribution;
device_vector<float4> light_data;
device_vector<float2> light_background_marginal_cdf;
device_vector<float2> light_background_conditional_cdf;
/* particles */
device_vector<float4> particles;
/* shaders */
device_vector<uint4> svm_nodes;
device_vector<uint> shader_flag;
device_vector<uint> object_flag;
/* filter */
device_vector<float> filter_table;
/* integrator */
device_vector<uint> sobol_directions;
/* images */
device_vector<uchar4> tex_image[TEX_EXTENDED_NUM_IMAGES];
device_vector<float4> tex_float_image[TEX_EXTENDED_NUM_FLOAT_IMAGES];
/* opencl images */
device_vector<uchar4> tex_image_packed;
device_vector<uint4> tex_image_packed_info;
KernelData data;
};
/* Scene Parameters */
class SceneParams {
public:
enum { OSL, SVM } shadingsystem;
enum BVHType { BVH_DYNAMIC, BVH_STATIC } bvh_type;
bool use_bvh_cache;
bool use_bvh_spatial_split;
bool use_qbvh;
SceneParams()
{
shadingsystem = SVM;
bvh_type = BVH_DYNAMIC;
use_bvh_cache = false;
use_bvh_spatial_split = false;
#ifdef __QBVH__
use_qbvh = true;
#else
use_qbvh = false;
#endif
}
bool modified(const SceneParams& params)
{ return !(shadingsystem == params.shadingsystem
&& bvh_type == params.bvh_type
&& use_bvh_cache == params.use_bvh_cache
&& use_bvh_spatial_split == params.use_bvh_spatial_split
&& use_qbvh == params.use_qbvh); }
};
/* Scene */
class Scene {
public:
/* data */
Camera *camera;
Filter *filter;
Film *film;
Background *background;
Integrator *integrator;
/* data lists */
vector<Object*> objects;
vector<Mesh*> meshes;
vector<Shader*> shaders;
vector<Light*> lights;
vector<ParticleSystem*> particle_systems;
/* data managers */
ImageManager *image_manager;
LightManager *light_manager;
ShaderManager *shader_manager;
MeshManager *mesh_manager;
ObjectManager *object_manager;
ParticleSystemManager *particle_system_manager;
/* default shaders */
int default_surface;
int default_light;
int default_background;
int default_holdout;
int default_empty;
/* device */
Device *device;
DeviceScene dscene;
/* parameters */
SceneParams params;
/* mutex must be locked manually by callers */
thread_mutex mutex;
Scene(const SceneParams& params, const DeviceInfo& device_info);
~Scene();
void device_update(Device *device, Progress& progress);
bool need_global_attribute(AttributeStandard std);
void need_global_attributes(AttributeRequestSet& attributes);
enum MotionType { MOTION_NONE = 0, MOTION_PASS, MOTION_BLUR };
MotionType need_motion();
bool need_update();
bool need_reset();
};
CCL_NAMESPACE_END
#endif /* __SCENE_H__ */
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