split shaders to individual files

1 files changed, 43 insertions, 0 deletions

diff --git a/client/src/shaders/vertex_ui.wgsl b/client/src/shaders/vertex_ui.wgsl
new file mode 100644
index 0000000..7cbac8b
--- /dev/null
+++ b/client/src/shaders/vertex_ui.wgsl
@@ -0,0 +1,43 @@
+//    wearechat - generic multiplayer game with voip
+//    Copyright (C) 2025 metamuffin
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License as published by
+//    the Free Software Foundation, version 3 of the License only.
+//
+//    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 Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+struct VertexIn {
+    @location(0) pos: vec2<f32>,
+    @location(1) uv: vec2<f32>,
+    @location(2) color: u32,
+}
+struct VertexOut {
+    @builtin(position) clip: vec4<f32>,
+    @location(0) uv: vec2<f32>,
+    @location(1) color: vec4<f32>,
+}
+
+var<push_constant> project: mat4x4<f32>;
+
+fn unpack_color(color: u32) -> vec4<f32> {
+    return vec4<f32>(
+        f32(color & 255u),
+        f32((color >> 8u) & 255u),
+        f32((color >> 16u) & 255u),
+        f32((color >> 24u) & 255u),
+    ) / 255.0;
+}
+
+@vertex
+fn main(@builtin(vertex_index) vindex: u32, vi: VertexIn) -> VertexOut {
+    var clip = project * vec4(vi.pos, 0., 1.);
+    let vo = VertexOut(clip, vi.uv, unpack_color(vi.color));
+    return vo;
+}