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
|
/**************************************************************************/
/* feed_effects.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#ifdef GLES3_ENABLED
#include "feed_effects.h"
#ifdef ANDROID_ENABLED
#include <GLES3/gl3ext.h>
#endif
#define GL_PROGRAM_POINT_SIZE 0x8642
using namespace GLES3;
FeedEffects *FeedEffects::singleton = nullptr;
FeedEffects *FeedEffects::get_singleton() {
return singleton;
}
FeedEffects::FeedEffects() {
singleton = this;
feed.shader.initialize();
feed.shader_version = feed.shader.version_create();
feed.shader.version_bind_shader(feed.shader_version, FeedShaderGLES3::MODE_DEFAULT);
{ // Screen Triangle.
glGenBuffers(1, &screen_triangle);
glBindBuffer(GL_ARRAY_BUFFER, screen_triangle);
const float qv[6] = {
-1.0f,
-1.0f,
3.0f,
-1.0f,
-1.0f,
3.0f,
};
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6, qv, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
glGenVertexArrays(1, &screen_triangle_array);
glBindVertexArray(screen_triangle_array);
glBindBuffer(GL_ARRAY_BUFFER, screen_triangle);
glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 2, nullptr);
glEnableVertexAttribArray(RS::ARRAY_VERTEX);
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
}
}
FeedEffects::~FeedEffects() {
singleton = nullptr;
glDeleteBuffers(1, &screen_triangle);
glDeleteVertexArrays(1, &screen_triangle_array);
feed.shader.version_free(feed.shader_version);
}
Transform3D transform3D_from_mat4(const float *p_mat4) {
Transform3D res;
res.basis.rows[0][0] = p_mat4[0];
res.basis.rows[1][0] = p_mat4[1];
res.basis.rows[2][0] = p_mat4[2];
// p_mat4[3] = 0;
res.basis.rows[0][1] = p_mat4[4];
res.basis.rows[1][1] = p_mat4[5];
res.basis.rows[2][1] = p_mat4[6];
// p_mat4[7] = 0;
res.basis.rows[0][2] = p_mat4[8];
res.basis.rows[1][2] = p_mat4[9];
res.basis.rows[2][2] = p_mat4[10];
// p_mat4[11] = 0;
res.origin.x = p_mat4[12];
res.origin.y = p_mat4[13];
res.origin.z = p_mat4[14];
// p_mat4[15] = 1;
return res;
}
void FeedEffects::draw() {
bool success = feed.shader.version_bind_shader(feed.shader_version, FeedShaderGLES3::MODE_DEFAULT, FeedShaderGLES3::USE_EXTERNAL_SAMPLER);
if (!success) {
OS::get_singleton()->print("Godot : FeedShaderGLES3 Could not bind version_bind_shader USE_EXTERNAL_SAMPLER");
return;
}
draw_screen_triangle();
}
void FeedEffects::draw_screen_triangle() {
glBindVertexArray(screen_triangle_array);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindVertexArray(0);
}
#endif // GLES3_ENABLED
|
