1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* 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_H__
#define __OSL_H__
#include "util_set.h"
#include "util_string.h"
#include "shader.h"
#ifdef WITH_OSL
#include <OSL/oslcomp.h>
#include <OSL/oslexec.h>
#include <OSL/oslquery.h>
#endif
CCL_NAMESPACE_BEGIN
class Device;
class DeviceScene;
class ImageManager;
class OSLRenderServices;
struct OSLGlobals;
class Scene;
class ShaderGraph;
class ShaderNode;
class ShaderInput;
class ShaderOutput;
#ifdef WITH_OSL
/* OSL Shader Info
* to auto detect closures in the shader for MIS and transparent shadows */
struct OSLShaderInfo {
OSLShaderInfo()
: has_surface_emission(false), has_surface_transparent(false)
{}
bool has_surface_emission;
bool has_surface_transparent;
};
/* Shader Manage */
class OSLShaderManager : public ShaderManager {
public:
OSLShaderManager();
~OSLShaderManager();
void reset(Scene *scene);
bool use_osl() { return true; }
void device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress);
void device_free(Device *device, DeviceScene *dscene);
/* osl compile and query */
static bool osl_compile(const string& inputfile, const string& outputfile);
static bool osl_query(OSL::OSLQuery& query, const string& filepath);
/* shader file loading, all functions return pointer to hash string if found */
const char *shader_test_loaded(const string& hash);
const char *shader_load_bytecode(const string& hash, const string& bytecode);
const char *shader_load_filepath(string filepath);
OSLShaderInfo *shader_loaded_info(const string& hash);
protected:
void texture_system_init();
void shading_system_init();
OSL::ShadingSystem *ss;
OSL::TextureSystem *ts;
OSLRenderServices *services;
OSL::ErrorHandler errhandler;
map<string, OSLShaderInfo> loaded_shaders;
};
#endif
/* Graph Compiler */
class OSLCompiler {
public:
OSLCompiler(void *manager, void *shadingsys, ImageManager *image_manager);
void compile(OSLGlobals *og, Shader *shader);
void add(ShaderNode *node, const char *name, bool isfilepath = false);
void parameter(const char *name, float f);
void parameter_color(const char *name, float3 f);
void parameter_vector(const char *name, float3 f);
void parameter_normal(const char *name, float3 f);
void parameter_point(const char *name, float3 f);
void parameter(const char *name, int f);
void parameter(const char *name, const char *s);
void parameter(const char *name, ustring str);
void parameter(const char *name, const Transform& tfm);
void parameter_array(const char *name, const float f[], int arraylen);
void parameter_color_array(const char *name, const float f[][3], int arraylen);
void parameter_vector_array(const char *name, const float f[][3], int arraylen);
void parameter_normal_array(const char *name, const float f[][3], int arraylen);
void parameter_point_array(const char *name, const float f[][3], int arraylen);
void parameter_array(const char *name, const int f[], int arraylen);
void parameter_array(const char *name, const char * const s[], int arraylen);
void parameter_array(const char *name, const Transform tfm[], int arraylen);
ShaderType output_type() { return current_type; }
bool background;
ImageManager *image_manager;
private:
string id(ShaderNode *node);
void compile_type(Shader *shader, ShaderGraph *graph, ShaderType type);
bool node_skip_input(ShaderNode *node, ShaderInput *input);
string compatible_name(ShaderNode *node, ShaderInput *input);
string compatible_name(ShaderNode *node, ShaderOutput *output);
void find_dependencies(set<ShaderNode*>& dependencies, ShaderInput *input);
void generate_nodes(const set<ShaderNode*>& nodes);
void *shadingsys;
void *manager;
ShaderType current_type;
Shader *current_shader;
};
CCL_NAMESPACE_END
#endif /* __OSL_H__ */
|
