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
|
/*************************************************************************/
/* shader_rd.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef SHADER_RD_H
#define SHADER_RD_H
#include "core/os/mutex.h"
#include "core/templates/hash_map.h"
#include "core/templates/map.h"
#include "core/templates/rid_owner.h"
#include "core/variant/variant.h"
#include <stdio.h>
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
class ShaderRD {
//versions
CharString general_defines;
Vector<CharString> variant_defines;
Vector<bool> variants_enabled;
struct Version {
CharString uniforms;
CharString vertex_globals;
CharString vertex_code;
CharString compute_globals;
CharString compute_code;
CharString fragment_light;
CharString fragment_globals;
CharString fragment_code;
Vector<CharString> custom_defines;
RID *variants; //same size as version defines
bool valid;
bool dirty;
bool initialize_needed;
};
Mutex variant_set_mutex;
void _compile_variant(uint32_t p_variant, Version *p_version);
void _clear_version(Version *p_version);
void _compile_version(Version *p_version);
RID_Owner<Version> version_owner;
CharString fragment_codev; //for version and extensions
CharString fragment_code0;
CharString fragment_code1;
CharString fragment_code2;
CharString fragment_code3;
CharString fragment_code4;
CharString vertex_codev; //for version and extensions
CharString vertex_code0;
CharString vertex_code1;
CharString vertex_code2;
CharString vertex_code3;
bool is_compute = false;
CharString compute_codev; //for version and extensions
CharString compute_code0;
CharString compute_code1;
CharString compute_code2;
CharString compute_code3;
const char *name;
protected:
ShaderRD() {}
void setup(const char *p_vertex_code, const char *p_fragment_code, const char *p_compute_code, const char *p_name);
public:
RID version_create();
void version_set_code(RID p_version, const String &p_uniforms, const String &p_vertex_globals, const String &p_vertex_code, const String &p_fragment_globals, const String &p_fragment_light, const String &p_fragment_code, const Vector<String> &p_custom_defines);
void version_set_compute_code(RID p_version, const String &p_uniforms, const String &p_compute_globals, const String &p_compute_code, const Vector<String> &p_custom_defines);
_FORCE_INLINE_ RID version_get_shader(RID p_version, int p_variant) {
ERR_FAIL_INDEX_V(p_variant, variant_defines.size(), RID());
ERR_FAIL_COND_V(!variants_enabled[p_variant], RID());
Version *version = version_owner.getornull(p_version);
ERR_FAIL_COND_V(!version, RID());
if (version->dirty) {
_compile_version(version);
}
if (!version->valid) {
return RID();
}
return version->variants[p_variant];
}
bool version_is_valid(RID p_version);
bool version_free(RID p_version);
void set_variant_enabled(int p_variant, bool p_enabled);
bool is_variant_enabled(int p_variant) const;
void initialize(const Vector<String> &p_variant_defines, const String &p_general_defines = "");
virtual ~ShaderRD();
};
#endif
|