Add tuxanci2 files

1 files changed, 49 insertions, 0 deletions

diff --git a/shaders/text.vert.slang b/shaders/text.vert.slang
new file mode 100644
index 0000000..867cb67
--- /dev/null
+++ b/shaders/text.vert.slang
@@ -0,0 +1,49 @@
+/*
+ * Tuxánci 2 - A first person shooter
+ * Copyright (C) 2007-2011  Tuxánci Development Team
+ * 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;
+}
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