OpenSpace/shaders/nighttexture_vs.glsl

/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
 *                                                                                       *
 * Copyright (c) 2014                                                                    *
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#version __CONTEXT__

uniform mat4 ViewProjection;
uniform mat4 ModelTransform;

layout(location = 0) in vec4 in_position;
layout(location = 1) in vec2 in_st;
layout(location = 2) in vec3 in_normal;
//layout(location = 3) in vec2 in_nightTex;


out vec2 vs_st;
out vec4 vs_normal;
out vec4 vs_position;
out float s;

#include "PowerScaling/powerScaling_vs.hglsl"

void main()
{
	// set variables
	vs_st = in_st;
	vs_position = in_position;
	vec4 tmp = in_position;

	// this is wrong for the normal. The normal transform is the transposed inverse of the model transform
	vs_normal = normalize(ModelTransform * vec4(in_normal,0));
	
	vec4 position = pscTransform(tmp, ModelTransform);
	vs_position = tmp;
	position = ViewProjection * position;
	gl_Position =  z_normalization(position);
}