old dir

1 files changed, 22 insertions, 0 deletions

diff --git a/old/vgcodec/src/paint.wgsl b/old/vgcodec/src/paint.wgsl
new file mode 100644
index 0000000..7006310
--- /dev/null
+++ b/old/vgcodec/src/paint.wgsl
@@ -0,0 +1,22 @@
+struct Uniforms {
+    x: f32,
+    y: f32,
+    rx: f32,
+    ry: f32,
+    r: f32,
+    g: f32,
+    b: f32
+};
+
+@group(0) @binding(0) var tex: texture_storage_2d<rgba8unorm, write>;
+@group(0) @binding(1) var<uniform> uniforms: Uniforms;
+
+@compute @workgroup_size(1)
+fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
+    let coords = global_id.xy;
+    let kc = vec2<f32>(coords) - vec2(uniforms.x, uniforms.y);
+    let d = length(kc / vec2(uniforms.rx, uniforms.ry));
+    if d < 1.0 {
+        textureStore(tex, vec2<i32>(coords), vec4<f32>(vec3<f32>(uniforms.r, uniforms.g, uniforms.b), 1.0));
+    }
+}