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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 __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>
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);
bool get_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform, float time);
bool get_inverse_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform, float time);
bool get_matrix(OSL::Matrix44 &result, ustring from, float time);
bool get_inverse_matrix(OSL::Matrix44 &result, ustring to, float time);
bool get_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform);
bool get_inverse_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform);
bool get_matrix(OSL::Matrix44 &result, ustring from);
bool get_inverse_matrix(OSL::Matrix44 &result, ustring from);
bool get_array_attribute(void *renderstate, bool derivatives,
ustring object, TypeDesc type, ustring name,
int index, void *val);
bool get_attribute(void *renderstate, bool derivatives, ustring object,
TypeDesc type, ustring name, void *val);
bool get_userdata(bool derivatives, ustring name, TypeDesc type,
void *renderstate, void *val);
bool has_userdata(ustring name, TypeDesc type, void *renderstate);
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(ustring filename, size_t *indices, int count, ustring attr_name,
TypeDesc attr_type, void *out_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, TextureOpt &options,
OSL::ShaderGlobals *sg,
float s, float t, float dsdx, float dtdx,
float dsdy, float dtdy, float *result);
bool texture3d(ustring filename, TextureOpt &options,
OSL::ShaderGlobals *sg, const OSL::Vec3 &P,
const OSL::Vec3 &dPdx, const OSL::Vec3 &dPdy,
const OSL::Vec3 &dPdz, float *result);
bool environment(ustring filename, TextureOpt &options,
OSL::ShaderGlobals *sg, const OSL::Vec3 &R,
const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy, float *result);
bool get_texture_info(ustring filename, int subimage,
ustring dataname, TypeDesc datatype, void *data);
struct TraceData {
Ray ray;
Intersection isect;
ShaderData sd;
bool setup;
};
static ustring u_distance;
static ustring u_index;
static ustring u_camera;
static ustring u_screen;
static ustring u_raster;
static ustring u_ndc;
static ustring u_empty;
private:
KernelGlobals *kernel_globals;
};
CCL_NAMESPACE_END
#endif /* __OSL_SERVICES_H__ */
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