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Diffstat (limited to 'intern/cycles/kernel/osl/osl_services.h')
| -rw-r--r-- | intern/cycles/kernel/osl/osl_services.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/osl_services.h b/intern/cycles/kernel/osl/osl_services.h new file mode 100644 index 00000000000..e5003074822 --- /dev/null +++ b/intern/cycles/kernel/osl/osl_services.h @@ -0,0 +1,111 @@ +/* + * 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> + +#ifdef WITH_PARTIO +#include <Partio.h> +#endif + +CCL_NAMESPACE_BEGIN + +class Object; +class Scene; +class Shader; +class ShaderData; +class float3; +class 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_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); + + void *get_pointcloud_attr_query(ustring *attr_names, + TypeDesc *attr_types, int nattrs); + int pointcloud(ustring filename, const OSL::Vec3 ¢er, float radius, + int max_points, void *attr_query, void **attr_outdata); + +private: + KernelGlobals *kernel_globals; + +#ifdef WITH_PARTIO + /* OSL gets pointers to this but its definition is private. + right now it only caches the types already converted to + Partio constants. this is what get_pointcloud_attr_query + returns */ + struct AttrQuery + { + /* names of the attributes to query */ + std::vector<ustring> attr_names; + /* types as (enum Partio::ParticleAttributeType) of the + attributes in the query */ + std::vector<int> attr_partio_types; + /* for sanity checks, capacity of the output arrays */ + int capacity; + }; + + Partio::ParticlesData *get_pointcloud(ustring filename); + + /* keep a list so adding elements doesn't invalidate pointers */ + std::list<AttrQuery> m_attr_queries; +#endif + + 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; +}; + +CCL_NAMESPACE_END + +#endif /* __OSL_SERVICES_H__ */ + |