OpenSpace/modules/globebrowsing/shaders/pointglobe_vs.glsl

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 * OpenSpace                                                                             *
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 * Copyright (c) 2014 - 2017                                                             *
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#version __CONTEXT__

#include "PowerScaling/powerScaling_vs.hglsl"

layout(location = 0) in vec2 in_position;

out vec4 vs_positionClipSpace;
out vec4 vs_positionCameraSpace;
out vec2 vs_positionModelSpace;

uniform float lightIntensityClamped;
uniform mat4 modelViewTransform;
uniform mat4 projectionTransform;
uniform mat4 directionToSunViewSpace;

void main() {
    vs_positionModelSpace = in_position;

    float totalIntensity = lightIntensityClamped;

    vec4 positionCameraSpace = modelViewTransform * vec4(
        in_position * totalIntensity,
        0.0,
        1.0
    );
    
    vec4 positionClipSpace = projectionTransform * positionCameraSpace;
    vs_positionClipSpace = z_normalization(positionClipSpace);
    gl_Position = z_normalization(positionClipSpace);
}