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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __OSL_SERVICES_H__
#define __OSL_SERVICES_H__
/* OSL Render Services
*
* Implementation of OSL render services, to retriever matrices, attributes,
* textures and point clouds. In principle this should only be accessing
* kernel data, but currently we also reach back into the Scene to retrieve
* attributes.
*/
#include <OSL/oslexec.h>
#include <OSL/oslclosure.h>
#ifdef WITH_PTEX
class PtexCache;
#endif
CCL_NAMESPACE_BEGIN
class Object;
class Scene;
class Shader;
struct ShaderData;
struct float3;
struct KernelGlobals;
class OSLRenderServices : public OSL::RendererServices
{
public:
OSLRenderServices();
~OSLRenderServices();
void thread_init(KernelGlobals *kernel_globals, OSL::TextureSystem *ts);
bool get_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, OSL::TransformationPtr xform, float time);
bool get_inverse_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, OSL::TransformationPtr xform, float time);
bool get_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, ustring from, float time);
bool get_inverse_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, ustring to, float time);
bool get_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, OSL::TransformationPtr xform);
bool get_inverse_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, OSL::TransformationPtr xform);
bool get_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, ustring from);
bool get_inverse_matrix(OSL::ShaderGlobals *sg, OSL::Matrix44 &result, ustring from);
bool get_array_attribute(OSL::ShaderGlobals *sg, bool derivatives,
ustring object, TypeDesc type, ustring name,
int index, void *val);
bool get_attribute(OSL::ShaderGlobals *sg, bool derivatives, ustring object,
TypeDesc type, ustring name, void *val);
bool get_attribute(ShaderData *sd, bool derivatives, ustring object_name,
TypeDesc type, ustring name, void *val);
bool get_userdata(bool derivatives, ustring name, TypeDesc type,
OSL::ShaderGlobals *sg, void *val);
bool has_userdata(ustring name, TypeDesc type, OSL::ShaderGlobals *sg);
int pointcloud_search(OSL::ShaderGlobals *sg, ustring filename, const OSL::Vec3 ¢er,
float radius, int max_points, bool sort, size_t *out_indices,
float *out_distances, int derivs_offset);
int pointcloud_get(OSL::ShaderGlobals *sg, ustring filename, size_t *indices, int count,
ustring attr_name, TypeDesc attr_type, void *out_data);
bool pointcloud_write(OSL::ShaderGlobals *sg,
ustring filename, const OSL::Vec3 &pos,
int nattribs, const ustring *names,
const TypeDesc *types,
const void **data);
bool trace(TraceOpt &options, OSL::ShaderGlobals *sg,
const OSL::Vec3 &P, const OSL::Vec3 &dPdx,
const OSL::Vec3 &dPdy, const OSL::Vec3 &R,
const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy);
bool getmessage(OSL::ShaderGlobals *sg, ustring source, ustring name,
TypeDesc type, void *val, bool derivatives);
bool texture(ustring filename,
TextureSystem::TextureHandle *texture_handle,
TexturePerthread *texture_thread_info,
TextureOpt &options,
OSL::ShaderGlobals *sg,
float s, float t,
float dsdx, float dtdx, float dsdy, float dtdy,
int nchannels,
float *result,
float *dresultds,
float *dresultdt);
bool texture3d(ustring filename,
TextureHandle *texture_handle,
TexturePerthread *texture_thread_info,
TextureOpt &options,
OSL::ShaderGlobals *sg,
const OSL::Vec3 &P,
const OSL::Vec3 &dPdx,
const OSL::Vec3 &dPdy,
const OSL::Vec3 &dPdz,
int nchannels,
float *result,
float *dresultds,
float *dresultdt,
float *dresultdr);
bool environment(ustring filename, TextureOpt &options,
OSL::ShaderGlobals *sg, const OSL::Vec3 &R,
const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy,
int nchannels, float *result);
bool get_texture_info(OSL::ShaderGlobals *sg, ustring filename, int subimage,
ustring dataname, TypeDesc datatype, void *data);
static bool get_background_attribute(KernelGlobals *kg, ShaderData *sd, ustring name,
TypeDesc type, bool derivatives, void *val);
static bool get_object_standard_attribute(KernelGlobals *kg, ShaderData *sd, ustring name,
TypeDesc type, bool derivatives, void *val);
static ustring u_distance;
static ustring u_index;
static ustring u_world;
static ustring u_camera;
static ustring u_screen;
static ustring u_raster;
static ustring u_ndc;
static ustring u_object_location;
static ustring u_object_index;
static ustring u_geom_dupli_generated;
static ustring u_geom_dupli_uv;
static ustring u_material_index;
static ustring u_object_random;
static ustring u_particle_index;
static ustring u_particle_age;
static ustring u_particle_lifetime;
static ustring u_particle_location;
static ustring u_particle_rotation;
static ustring u_particle_size;
static ustring u_particle_velocity;
static ustring u_particle_angular_velocity;
static ustring u_geom_numpolyvertices;
static ustring u_geom_trianglevertices;
static ustring u_geom_polyvertices;
static ustring u_geom_name;
static ustring u_is_smooth;
static ustring u_is_curve;
static ustring u_curve_thickness;
static ustring u_curve_tangent_normal;
static ustring u_path_ray_length;
static ustring u_path_ray_depth;
static ustring u_path_transparent_depth;
static ustring u_path_transmission_depth;
static ustring u_trace;
static ustring u_hit;
static ustring u_hitdist;
static ustring u_N;
static ustring u_Ng;
static ustring u_P;
static ustring u_I;
static ustring u_u;
static ustring u_v;
static ustring u_empty;
private:
KernelGlobals *kernel_globals;
OSL::TextureSystem *osl_ts;
#ifdef WITH_PTEX
PtexCache *ptex_cache;
#endif
};
CCL_NAMESPACE_END
#endif /* __OSL_SERVICES_H__ */
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