Improve pipeline building

examples/bin/resources/shaders/triangle.vert

@@ -3,7 +3,7 @@
 #extension GL_ARB_separate_shader_objects : enable
 #extension GL_ARB_shading_language_420pack : enable
 
-layout (location = 0) in vec4 inPos;
+layout (location = 0) in vec3 inPos;
 layout (location = 1) in vec3 inColor;
 
 layout (binding = 0) uniform UBO 
@@ -24,5 +24,5 @@ out gl_PerVertex
 void main() 
 {
 	outColor = inColor;
-	gl_Position = ubo.projectionMatrix * ubo.viewMatrix * ubo.modelMatrix * vec4(inPos.xyz, 1.0);
+	gl_Position = ubo.projectionMatrix * ubo.viewMatrix * ubo.modelMatrix * vec4(inPos, 1.0);
 }