1 /*
 2  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package hat.buffer;
26 
27 import hat.types.ivec2;
28 import hat.types.vec2;
29 import hat.types.vec3;
30 import hat.types.vec4;
31 import optkl.ifacemapper.BoundSchema;
32 import optkl.ifacemapper.Buffer;
33 import optkl.ifacemapper.Schema;
34 import optkl.util.carriers.ArenaAndLookupCarrier;
35 
36 public interface Uniforms extends Buffer {
37     interface ivec2Field extends ivec2.Field, Struct {
38         void x(int x);
39 
40         void y(int y);
41     }
42 
43     interface vec2Field extends vec2.Field, Struct {
44         void x(float x);
45 
46         void y(float y);
47     }
48 
49     interface vec3Field extends vec3.Field, Struct {
50         void x(float x);
51 
52         void y(float y);
53 
54         void z(float z);
55     }
56 
57     interface vec4Field extends vec4.Field, Struct {
58         void x(float x);
59 
60         void y(float y);
61 
62         void z(float z);
63 
64         void w(float w);
65     }
66 
67     vec2Field fragCoord();
68 
69     vec4Field fragColor();
70 
71     vec3Field iResolution();
72 
73     float iTime();
74 
75     void iTime(float iTime);
76 
77     ivec2Field iMouse();
78 
79     long iFrame();
80 
81     void iFrame(long iFrame);
82 
83     Schema<Uniforms> schema = Schema.of(Uniforms.class, uniforms -> uniforms
84             .field("fragCoord", fragCoord -> fragCoord.fields("x", "y"))
85             .field("fragColor", fragColor -> fragColor.fields("x", "y", "z", "w"))
86             .field("iResolution", iResolution -> iResolution.fields("x", "y", "z"))
87             .pad(4)
88             .field("iMouse", iMouse -> iMouse.fields("x", "y"))
89             .field("iTime")
90             .pad(4)
91             .field("iFrame")
92     );
93 
94     static Uniforms create(ArenaAndLookupCarrier arenaAndLookupCarrier) {
95         return BoundSchema.of(arenaAndLookupCarrier, schema).allocate();
96     }
97 }