1 files changed, 8 insertions, 8 deletions
diff --git a/wgpu/src/shader/quad/solid.wgsl b/wgpu/src/shader/quad/solid.wgsl
index ebd6d877..f84dd7ab 100644
--- a/wgpu/src/shader/quad/solid.wgsl
+++ b/wgpu/src/shader/quad/solid.wgsl
@@ -1,11 +1,11 @@
 struct SolidVertexInput {
-    @location(0) v_pos: vec2<f32>,
-    @location(1) color: vec4<f32>,
-    @location(2) pos: vec2<f32>,
-    @location(3) scale: vec2<f32>,
-    @location(4) border_color: vec4<f32>,
-    @location(5) border_radius: vec4<f32>,
-    @location(6) border_width: f32,
+    @builtin(vertex_index) vertex_index: u32,
+    @location(0) color: vec4<f32>,
+    @location(1) pos: vec2<f32>,
+    @location(2) scale: vec2<f32>,
+    @location(3) border_color: vec4<f32>,
+    @location(4) border_radius: vec4<f32>,
+    @location(5) border_width: f32,
 }
 
 struct SolidVertexOutput {
@@ -40,7 +40,7 @@ fn solid_vs_main(input: SolidVertexInput) -> SolidVertexOutput {
         vec4<f32>(pos - vec2<f32>(0.5, 0.5), 0.0, 1.0)
     );
 
-    out.position = globals.transform * transform * vec4<f32>(input.v_pos, 0.0, 1.0);
+    out.position = globals.transform * transform * vec4<f32>(vertex_position(input.vertex_index), 0.0, 1.0);
     out.color = input.color;
     out.border_color = input.border_color;
     out.pos = pos;