yes

vulkan/dynamic_state/ViewportArray.geom

@@ -0,0 +1,18 @@
+#version 450
+layout(triangles) in;
+layout(triangle_strip, max_vertices = 3) out;
+
+in gl_PerVertex { vec4 gl_Position; } gl_in[];
+out gl_PerVertex { vec4 gl_Position; };
+layout(location = 0) in vec4 in_color[];
+layout(location = 0) out vec4 out_color;
+
+void main() {
+	for (int i=0; i<gl_in.length(); ++i) {
+		gl_Position = gl_in[i].gl_Position;
+		gl_ViewportIndex = int(round(gl_in[i].gl_Position.z * 3.0));
+		out_color = in_color[i];
+		EmitVertex();
+	}
+	EndPrimitive();
+}