forked from bartvdbraak/blender
127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __OSL_SERVICES_H__
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#define __OSL_SERVICES_H__
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/* OSL Render Services
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*
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* Implementation of OSL render services, to retriever matrices, attributes,
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* textures and point clouds. In principle this should only be accessing
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* kernel data, but currently we also reach back into the Scene to retrieve
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* attributes.
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*/
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#include <OSL/oslexec.h>
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#include <OSL/oslclosure.h>
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CCL_NAMESPACE_BEGIN
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class Object;
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class Scene;
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class Shader;
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struct ShaderData;
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struct float3;
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struct KernelGlobals;
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class OSLRenderServices : public OSL::RendererServices
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{
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public:
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OSLRenderServices();
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~OSLRenderServices();
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void thread_init(KernelGlobals *kernel_globals);
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bool get_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform, float time);
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bool get_inverse_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform, float time);
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bool get_matrix(OSL::Matrix44 &result, ustring from, float time);
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bool get_inverse_matrix(OSL::Matrix44 &result, ustring to, float time);
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bool get_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform);
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bool get_inverse_matrix(OSL::Matrix44 &result, OSL::TransformationPtr xform);
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bool get_matrix(OSL::Matrix44 &result, ustring from);
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bool get_inverse_matrix(OSL::Matrix44 &result, ustring from);
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bool get_array_attribute(void *renderstate, bool derivatives,
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ustring object, TypeDesc type, ustring name,
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int index, void *val);
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bool get_attribute(void *renderstate, bool derivatives, ustring object,
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TypeDesc type, ustring name, void *val);
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bool get_userdata(bool derivatives, ustring name, TypeDesc type,
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void *renderstate, void *val);
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bool has_userdata(ustring name, TypeDesc type, void *renderstate);
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int pointcloud_search(OSL::ShaderGlobals *sg, ustring filename, const OSL::Vec3 ¢er,
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float radius, int max_points, bool sort, size_t *out_indices,
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float *out_distances, int derivs_offset);
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int pointcloud_get(ustring filename, size_t *indices, int count, ustring attr_name,
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TypeDesc attr_type, void *out_data);
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bool trace(TraceOpt &options, OSL::ShaderGlobals *sg,
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const OSL::Vec3 &P, const OSL::Vec3 &dPdx,
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const OSL::Vec3 &dPdy, const OSL::Vec3 &R,
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const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy);
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bool getmessage(OSL::ShaderGlobals *sg, ustring source, ustring name,
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TypeDesc type, void *val, bool derivatives);
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bool texture(ustring filename, TextureOpt &options,
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OSL::ShaderGlobals *sg,
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float s, float t, float dsdx, float dtdx,
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float dsdy, float dtdy, float *result);
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bool texture3d(ustring filename, TextureOpt &options,
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OSL::ShaderGlobals *sg, const OSL::Vec3 &P,
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const OSL::Vec3 &dPdx, const OSL::Vec3 &dPdy,
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const OSL::Vec3 &dPdz, float *result);
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bool environment(ustring filename, TextureOpt &options,
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OSL::ShaderGlobals *sg, const OSL::Vec3 &R,
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const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy, float *result);
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bool get_texture_info(ustring filename, int subimage,
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ustring dataname, TypeDesc datatype, void *data);
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struct TraceData {
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Ray ray;
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Intersection isect;
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ShaderData sd;
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bool setup;
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};
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static ustring u_distance;
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static ustring u_index;
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static ustring u_camera;
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static ustring u_screen;
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static ustring u_raster;
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static ustring u_ndc;
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static ustring u_empty;
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private:
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KernelGlobals *kernel_globals;
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};
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CCL_NAMESPACE_END
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#endif /* __OSL_SERVICES_H__ */
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