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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_GLOBALS_H__
#define __OSL_GLOBALS_H__
#ifdef WITH_OSL
#include <OSL/oslexec.h>
#include "util_map.h"
#include "util_param.h"
#include "util_thread.h"
#include "util_vector.h"
CCL_NAMESPACE_BEGIN
struct OSLGlobals {
/* use */
bool use;
/* shading system */
OSL::ShadingSystem *ss;
/* shader states */
vector<OSL::ShadingAttribStateRef> surface_state;
vector<OSL::ShadingAttribStateRef> volume_state;
vector<OSL::ShadingAttribStateRef> displacement_state;
OSL::ShadingAttribStateRef background_state;
/* attributes */
struct Attribute {
TypeDesc type;
AttributeElement elem;
int offset;
ParamValue value;
};
typedef unordered_map<ustring, Attribute, ustringHash> AttributeMap;
typedef unordered_map<ustring, int, ustringHash> ObjectNameMap;
vector<AttributeMap> attribute_map;
ObjectNameMap object_name_map;
/* thread key for thread specific data lookup */
struct ThreadData {
OSL::ShaderGlobals globals;
void *thread_info;
};
static tls_ptr(ThreadData, thread_data);
};
CCL_NAMESPACE_END
#endif
#endif /* __OSL_GLOBALS_H__ */
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