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
|
/*************************************************************************/
/* fsr_upscale.glsl */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#[compute]
#version 450
#VERSION_DEFINES
#define A_GPU
#define A_GLSL
#ifdef MODE_FSR_UPSCALE_NORMAL
#define A_HALF
#endif
#include "thirdparty/amd-fsr/ffx_a.h"
layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;
layout(rgba16f, set = 1, binding = 0) uniform restrict writeonly image2D fsr_image;
layout(set = 0, binding = 0) uniform sampler2D source_image;
#define FSR_UPSCALE_PASS_TYPE_EASU 0
#define FSR_UPSCALE_PASS_TYPE_RCAS 1
layout(push_constant, std430) uniform Params {
float resolution_width;
float resolution_height;
float upscaled_width;
float upscaled_height;
float sharpness;
int pass;
}
params;
AU4 Const0, Const1, Const2, Const3;
#ifdef MODE_FSR_UPSCALE_FALLBACK
#define FSR_EASU_F
AF4 FsrEasuRF(AF2 p) {
AF4 res = textureGather(source_image, p, 0);
return res;
}
AF4 FsrEasuGF(AF2 p) {
AF4 res = textureGather(source_image, p, 1);
return res;
}
AF4 FsrEasuBF(AF2 p) {
AF4 res = textureGather(source_image, p, 2);
return res;
}
#define FSR_RCAS_F
AF4 FsrRcasLoadF(ASU2 p) {
return AF4(texelFetch(source_image, ASU2(p), 0));
}
void FsrRcasInputF(inout AF1 r, inout AF1 g, inout AF1 b) {}
#else
#define FSR_EASU_H
AH4 FsrEasuRH(AF2 p) {
AH4 res = AH4(textureGather(source_image, p, 0));
return res;
}
AH4 FsrEasuGH(AF2 p) {
AH4 res = AH4(textureGather(source_image, p, 1));
return res;
}
AH4 FsrEasuBH(AF2 p) {
AH4 res = AH4(textureGather(source_image, p, 2));
return res;
}
#define FSR_RCAS_H
AH4 FsrRcasLoadH(ASW2 p) {
return AH4(texelFetch(source_image, ASU2(p), 0));
}
void FsrRcasInputH(inout AH1 r, inout AH1 g, inout AH1 b) {}
#endif
#include "thirdparty/amd-fsr/ffx_fsr1.h"
void fsr_easu_pass(AU2 pos) {
#ifdef MODE_FSR_UPSCALE_NORMAL
AH3 Gamma2Color = AH3(0, 0, 0);
FsrEasuH(Gamma2Color, pos, Const0, Const1, Const2, Const3);
imageStore(fsr_image, ASU2(pos), AH4(Gamma2Color, 1));
#else
AF3 Gamma2Color = AF3(0, 0, 0);
FsrEasuF(Gamma2Color, pos, Const0, Const1, Const2, Const3);
imageStore(fsr_image, ASU2(pos), AF4(Gamma2Color, 1));
#endif
}
void fsr_rcas_pass(AU2 pos) {
#ifdef MODE_FSR_UPSCALE_NORMAL
AH3 Gamma2Color = AH3(0, 0, 0);
FsrRcasH(Gamma2Color.r, Gamma2Color.g, Gamma2Color.b, pos, Const0);
imageStore(fsr_image, ASU2(pos), AH4(Gamma2Color, 1));
#else
AF3 Gamma2Color = AF3(0, 0, 0);
FsrRcasF(Gamma2Color.r, Gamma2Color.g, Gamma2Color.b, pos, Const0);
imageStore(fsr_image, ASU2(pos), AF4(Gamma2Color, 1));
#endif
}
void fsr_pass(AU2 pos) {
if (params.pass == FSR_UPSCALE_PASS_TYPE_EASU) {
fsr_easu_pass(pos);
} else if (params.pass == FSR_UPSCALE_PASS_TYPE_RCAS) {
fsr_rcas_pass(pos);
}
}
void main() {
// Clang does not like unused functions. If ffx_a.h is included in the binary, clang will throw a fit and not compile so we must configure FSR in this shader
if (params.pass == FSR_UPSCALE_PASS_TYPE_EASU) {
FsrEasuCon(Const0, Const1, Const2, Const3, params.resolution_width, params.resolution_height, params.resolution_width, params.resolution_height, params.upscaled_width, params.upscaled_height);
} else if (params.pass == FSR_UPSCALE_PASS_TYPE_RCAS) {
FsrRcasCon(Const0, params.sharpness);
}
AU2 gxy = ARmp8x8(gl_LocalInvocationID.x) + AU2(gl_WorkGroupID.x << 4u, gl_WorkGroupID.y << 4u);
fsr_pass(gxy);
gxy.x += 8u;
fsr_pass(gxy);
gxy.y += 8u;
fsr_pass(gxy);
gxy.x -= 8u;
fsr_pass(gxy);
}
|