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
|
/*
* Tuxánci 2 - A first person shooter
* Copyright (C) 2025-2026 Connor Thomson
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
struct TextUniforms {
float4 clip_rect;
};
[[vk::binding(0, 1)]]
ConstantBuffer<TextUniforms> uniforms : register(b0, space1);
struct VSOutput {
float4 position : SV_Position;
float2 uv : TEXCOORD0;
};
VSOutput main(uint vertexID : SV_VertexID) {
static const float2 positions[6] = {
float2(0.0, 0.0),
float2(1.0, 0.0),
float2(0.0, 1.0),
float2(0.0, 1.0),
float2(1.0, 0.0),
float2(1.0, 1.0)
};
float2 position = positions[vertexID];
float2 clip = lerp(uniforms.clip_rect.xy, uniforms.clip_rect.zw, position);
VSOutput output;
output.position = float4(clip, 0.0, 1.0);
output.uv = position;
return output;
}
|