yes

vulkan/draw/VertexFetchShaderDrawParametersBaseVert.vert

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+#version 450 core
+#extension GL_ARB_shader_draw_parameters : require
+
+layout(location = 0) in vec4 in_position;
+layout(location = 1) in vec4 in_color;
+layout(location = 2) in int  in_refVertexIndex;
+
+layout(location = 0) out vec4 out_color;
+
+out gl_PerVertex {
+    vec4 gl_Position;
+};
+
+void main() {
+    gl_Position = vec4(in_position.xy, 0.0, 1.0);
+
+	out_color = vec4(1.0, 0.0, 0.0, 1.0);
+    if ((gl_VertexIndex - gl_BaseVertexARB) == in_refVertexIndex && gl_DrawIDARB == 0)
+        out_color = in_color;
+}