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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 <cmath>
#include "util_map.h"
#include "util_param.h"
#include "util_thread.h"
#include "util_vector.h"
#ifndef WIN32
using std::isfinite;
#endif
CCL_NAMESPACE_BEGIN
class OSLRenderServices;
struct OSLGlobals {
OSLGlobals()
{
ss = NULL;
ts = NULL;
services = NULL;
use = false;
}
bool use;
/* shading system */
OSL::ShadingSystem *ss;
OSL::TextureSystem *ts;
OSLRenderServices *services;
/* 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;
vector<ustring> object_names;
};
/* trace() call result */
struct OSLTraceData {
Ray ray;
Intersection isect;
ShaderData sd;
bool setup;
bool init;
};
/* thread key for thread specific data lookup */
struct OSLThreadData {
OSL::ShaderGlobals globals;
OSL::PerThreadInfo *thread_info;
OSLTraceData tracedata;
OSL::ShadingContext *context[SHADER_CONTEXT_NUM];
};
CCL_NAMESPACE_END
#endif
#endif /* __OSL_GLOBALS_H__ */
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