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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*
* 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.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*/
#ifndef __GPU_NODE_GRAPH_H__
#define __GPU_NODE_GRAPH_H__
#include "DNA_customdata_types.h"
#include "DNA_listBase.h"
#include "GPU_material.h"
#include "GPU_glew.h"
#include "GPU_shader.h"
struct GPUNode;
struct GPUOutput;
struct GPUShader;
struct GPUVertAttrLayers;
struct ListBase;
typedef enum eGPUDataSource {
GPU_SOURCE_OUTPUT,
GPU_SOURCE_CONSTANT,
GPU_SOURCE_UNIFORM,
GPU_SOURCE_ATTR,
GPU_SOURCE_BUILTIN,
GPU_SOURCE_STRUCT,
GPU_SOURCE_TEX,
} eGPUDataSource;
typedef enum {
GPU_NODE_LINK_NONE = 0,
GPU_NODE_LINK_ATTR,
GPU_NODE_LINK_BUILTIN,
GPU_NODE_LINK_COLORBAND,
GPU_NODE_LINK_CONSTANT,
GPU_NODE_LINK_IMAGE_BLENDER,
GPU_NODE_LINK_IMAGE_TILEMAP,
GPU_NODE_LINK_OUTPUT,
GPU_NODE_LINK_UNIFORM,
} GPUNodeLinkType;
struct GPUNode {
struct GPUNode *next, *prev;
const char *name;
/* Internal flag to mark nodes during pruning */
bool tag;
ListBase inputs;
ListBase outputs;
};
struct GPUNodeLink {
GPUNodeStack *socket;
GPUNodeLinkType link_type;
int users; /* Refcount */
union {
/* GPU_NODE_LINK_CONSTANT | GPU_NODE_LINK_UNIFORM */
float *data;
/* GPU_NODE_LINK_BUILTIN */
eGPUBuiltin builtin;
/* GPU_NODE_LINK_COLORBAND */
struct GPUTexture **colorband;
/* GPU_NODE_LINK_OUTPUT */
struct GPUOutput *output;
/* GPU_NODE_LINK_ATTR */
struct {
const char *attr_name;
CustomDataType attr_type;
};
/* GPU_NODE_LINK_IMAGE_BLENDER | GPU_NODE_LINK_IMAGE_TILEMAP */
struct {
struct Image *ima;
struct ImageUser *iuser;
};
};
};
typedef struct GPUOutput {
struct GPUOutput *next, *prev;
GPUNode *node;
eGPUType type; /* data type = length of vector/matrix */
GPUNodeLink *link; /* output link */
int id; /* unique id as created by code generator */
} GPUOutput;
typedef struct GPUInput {
struct GPUInput *next, *prev;
GPUNode *node;
eGPUType type; /* datatype */
GPUNodeLink *link;
int id; /* unique id as created by code generator */
eGPUDataSource source; /* data source */
int shaderloc; /* id from opengl */
char shadername[32]; /* name in shader */
/* Content based on eGPUDataSource */
union {
/* GPU_SOURCE_CONSTANT | GPU_SOURCE_UNIFORM */
float vec[16]; /* vector data */
/* GPU_SOURCE_BUILTIN */
eGPUBuiltin builtin; /* builtin uniform */
/* GPU_SOURCE_TEX */
struct {
struct GPUTexture **colorband; /* input texture, only set at runtime */
struct Image *ima; /* image */
struct ImageUser *iuser; /* image user */
bool bindtex; /* input is responsible for binding the texture? */
int texid; /* number for multitexture, starting from zero */
eGPUType textype; /* texture type (2D, 1D Array ...) */
};
/* GPU_SOURCE_ATTR */
struct {
/** Attribute name. */
char attr_name[MAX_CUSTOMDATA_LAYER_NAME];
/** ID for vertex attributes. */
int attr_id;
/** This is the first one that is bound. */
bool attr_first;
/** Attribute type. */
CustomDataType attr_type;
};
};
} GPUInput;
typedef struct GPUNodeGraph {
/* Nodes */
ListBase nodes;
/* Inputs and output. */
ListBase inputs;
GPUNodeLink *outlink;
/* Requested attributes and textures. */
ListBase attributes;
ListBase textures;
} GPUNodeGraph;
/* Node Graph */
void gpu_node_graph_prune_unused(GPUNodeGraph *graph);
void gpu_node_graph_free_nodes(GPUNodeGraph *graph);
void gpu_node_graph_free(GPUNodeGraph *graph);
/* Material calls */
void gpu_material_add_node(struct GPUMaterial *material, struct GPUNode *node);
struct GPUTexture **gpu_material_ramp_texture_row_set(struct GPUMaterial *mat,
int size,
float *pixels,
float *row);
struct GSet *gpu_material_used_libraries(struct GPUMaterial *material);
#endif /* __GPU_NODE_GRAPH_H__ */
|
