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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
#version 120
/*
Phosphor shader - Copyright (C) 2011 caligari.
Ported by Hyllian.
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.
*/
// Parameter lines go here:
// 0.5 = the spot stays inside the original pixel
// 1.0 = the spot bleeds up to the center of next pixel
#pragma parameter SPOT_WIDTH "CRTCaligari Spot Width" 0.9 0.1 1.5 0.05
#pragma parameter SPOT_HEIGHT "CRTCaligari Spot Height" 0.65 0.1 1.5 0.05
// Used to counteract the desaturation effect of weighting.
#pragma parameter COLOR_BOOST "CRTCaligari Color Boost" 1.45 1.0 2.0 0.05
// Constants used with gamma correction.
#pragma parameter InputGamma "CRTCaligari Input Gamma" 2.4 0.0 5.0 0.1
#pragma parameter OutputGamma "CRTCaligari Output Gamma" 2.2 0.0 5.0 0.1
#if defined(VERTEX)
#if __VERSION__ >= 130
#define COMPAT_VARYING out
#define COMPAT_ATTRIBUTE in
#define COMPAT_TEXTURE texture
#else
#define COMPAT_VARYING varying
#define COMPAT_ATTRIBUTE attribute
#define COMPAT_TEXTURE texture2D
#endif
#ifdef GL_ES
#define COMPAT_PRECISION mediump
#else
#define COMPAT_PRECISION
#endif
COMPAT_ATTRIBUTE vec4 a_position;
COMPAT_ATTRIBUTE vec4 TexCoord;
COMPAT_VARYING vec2 v_texCoord;
COMPAT_VARYING vec2 onex;
COMPAT_VARYING vec2 oney;
vec4 _oPosition1;
uniform mat4 MVPMatrix;
uniform COMPAT_PRECISION int FrameDirection;
uniform COMPAT_PRECISION int rubyFrameCount;
uniform COMPAT_PRECISION vec2 rubyOutputSize;
uniform COMPAT_PRECISION vec2 rubyTextureSize;
uniform COMPAT_PRECISION vec2 rubyInputSize;
#define SourceSize vec4(rubyTextureSize, 1.0 / rubyTextureSize) //either rubyTextureSize or rubyInputSize
void main()
{
gl_Position = a_position;
v_texCoord = vec2(a_position.x + 1.0, 1.0 - a_position.y) / 2.0 * rubyInputSize / rubyTextureSize;
onex = vec2(SourceSize.z, 0.0);
oney = vec2(0.0, SourceSize.w);
}
#elif defined(FRAGMENT)
#if __VERSION__ >= 130
#define COMPAT_VARYING in
#define COMPAT_TEXTURE texture
out vec4 FragColor;
#else
#define COMPAT_VARYING varying
#define FragColor gl_FragColor
#define COMPAT_TEXTURE texture2D
#endif
#ifdef GL_ES
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
#define COMPAT_PRECISION mediump
#else
#define COMPAT_PRECISION
#endif
uniform COMPAT_PRECISION int FrameDirection;
uniform COMPAT_PRECISION int rubyFrameCount;
uniform COMPAT_PRECISION vec2 rubyOutputSize;
uniform COMPAT_PRECISION vec2 rubyTextureSize;
uniform COMPAT_PRECISION vec2 rubyInputSize;
uniform sampler2D rubyTexture;
COMPAT_VARYING vec2 v_texCoord;
COMPAT_VARYING vec2 onex;
COMPAT_VARYING vec2 oney;
// compatibility #defines
#define Source rubyTexture
#define vTexCoord v_texCoord.xy
#define SourceSize vec4(rubyTextureSize, 1.0 / rubyTextureSize) //either rubyTextureSize or rubyInputSize
#define rubyOutputSize vec4(rubyOutputSize, 1.0 / rubyOutputSize)
#ifdef PARAMETER_UNIFORM
// All parameter floats need to have COMPAT_PRECISION in front of them
uniform COMPAT_PRECISION float SPOT_WIDTH;
uniform COMPAT_PRECISION float SPOT_HEIGHT;
uniform COMPAT_PRECISION float COLOR_BOOST;
uniform COMPAT_PRECISION float InputGamma;
uniform COMPAT_PRECISION float OutputGamma;
#else
#define SPOT_WIDTH 0.9
#define SPOT_HEIGHT 0.65
#define COLOR_BOOST 1.45
#define InputGamma 2.4
#define OutputGamma 2.2
#endif
#define GAMMA_IN(color) pow(color,vec4(InputGamma))
#define GAMMA_OUT(color) pow(color, vec4(1.0 / OutputGamma))
#define TEX2D(coords) GAMMA_IN( COMPAT_TEXTURE(Source, coords) )
// Macro for weights computing
#define WEIGHT(w) \
if(w>1.0) w=1.0; \
w = 1.0 - w * w; \
w = w * w;
void main()
{
vec2 coords = ( vTexCoord * SourceSize.xy );
vec2 pixel_center = floor( coords ) + vec2(0.5, 0.5);
vec2 texture_coords = pixel_center * SourceSize.zw;
vec4 color = TEX2D( texture_coords );
float dx = coords.x - pixel_center.x;
float h_weight_00 = dx / SPOT_WIDTH;
WEIGHT( h_weight_00 );
color *= vec4( h_weight_00, h_weight_00, h_weight_00, h_weight_00 );
// get closest horizontal neighbour to blend
vec2 coords01;
if (dx>0.0) {
coords01 = onex;
dx = 1.0 - dx;
} else {
coords01 = -onex;
dx = 1.0 + dx;
}
vec4 colorNB = TEX2D( texture_coords + coords01 );
float h_weight_01 = dx / SPOT_WIDTH;
WEIGHT( h_weight_01 );
color = color + colorNB * vec4( h_weight_01 );
//////////////////////////////////////////////////////
// Vertical Blending
float dy = coords.y - pixel_center.y;
float v_weight_00 = dy / SPOT_HEIGHT;
WEIGHT( v_weight_00 );
color *= vec4( v_weight_00 );
// get closest vertical neighbour to blend
vec2 coords10;
if (dy>0.0) {
coords10 = oney;
dy = 1.0 - dy;
} else {
coords10 = -oney;
dy = 1.0 + dy;
}
colorNB = TEX2D( texture_coords + coords10 );
float v_weight_10 = dy / SPOT_HEIGHT;
WEIGHT( v_weight_10 );
color = color + colorNB * vec4( v_weight_10 * h_weight_00, v_weight_10 * h_weight_00, v_weight_10 * h_weight_00, v_weight_10 * h_weight_00 );
colorNB = TEX2D( texture_coords + coords01 + coords10 );
color = color + colorNB * vec4( v_weight_10 * h_weight_01, v_weight_10 * h_weight_01, v_weight_10 * h_weight_01, v_weight_10 * h_weight_01 );
color *= vec4( COLOR_BOOST );
FragColor = clamp( GAMMA_OUT(color), 0.0, 1.0 );
}
#endif
|
