Upgrade wgpu

wgpu/src/shader/triangle.wgsl

@@ -0,0 +1,31 @@
+[[block]]
+struct Globals {
+    transform: mat4x4<f32>;
+};
+
+[[group(0), binding(0)]] var<uniform> globals: Globals;
+
+struct VertexInput {
+    [[location(0)]] position: vec2<f32>;
+    [[location(1)]] color: vec4<f32>;
+};
+
+struct VertexOutput {
+    [[builtin(position)]] position: vec4<f32>;
+    [[location(0)]] color: vec4<f32>;
+};
+
+[[stage(vertex)]]
+fn vs_main(input: VertexInput) -> VertexOutput {
+    var out: VertexOutput;
+
+    out.color = input.color;
+    out.position = globals.transform * vec4<f32>(input.position, 0.0, 1.0);
+
+    return out;
+}
+
+[[stage(fragment)]]
+fn fs_main(input: VertexOutput) -> [[location(0)]] vec4<f32> {
+    return input.color;
+}