Added space background sphere using a secondary command buffer

data/shaders/multithreading/starsphere.vert

@@ -0,0 +1,19 @@
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (location = 0) in vec3 inPos;
+
+layout (std140, push_constant) uniform PushConsts 
+{
+	mat4 mvp;
+} pushConsts;
+
+layout (location = 0) out vec3 outUVW;
+
+void main() 
+{
+	outUVW = inPos;
+	gl_Position = pushConsts.mvp * vec4(inPos.xyz, 1.0);
+}