Use Vulkan result check macro, code cleanup, added text overlay

data/shaders/radialblur/colorpass.vert

@@ -15,14 +15,13 @@ layout (binding = 0) uniform UBO
 
 layout (location = 0) out vec3 outColor;
 
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
 void main() 
 {
-/*
-	if (inColor.r >= 0.9) 
-	{
-		outColor = ubo.glowColor.rgb;
-	}
-	else*/
 	{
 		outColor = inColor;
 	}

data/shaders/radialblur/phongpass.vert

@@ -18,6 +18,11 @@ layout (location = 1) out vec3 outColor;
 layout (location = 2) out vec3 outEyePos;
 layout (location = 3) out vec3 outLightVec;
 
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
 void main() 
 {
 	outNormal = inNormal;

data/shaders/radialblur/radialblur.vert

@@ -14,6 +14,11 @@ layout (binding = 0) uniform UBO
 
 layout (location = 0) out vec2 outUV;
 
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
 void main() 
 {
 	outUV = inUV;