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uniform mat4 ModelViewProjectionMatrix;
uniform mat4 ProjectionMatrix;
uniform float pixsize; /* rv3d->pixsize */
uniform float pixelsize; /* U.pixelsize */
uniform int keep_size;
uniform float objscale;
uniform float pixfactor;
in vec3 pos;
in vec4 color;
in float thickness;
in vec2 uvdata;
out vec4 finalColor;
out float finalThickness;
out vec2 finaluvdata;
#define TRUE 1
float defaultpixsize = pixsize * pixelsize * (1000.0 / pixfactor);
void main(void)
{
gl_Position = ModelViewProjectionMatrix * vec4( pos, 1.0 );
finalColor = color;
if (keep_size == TRUE) {
finalThickness = thickness;
}
else {
float size = (ProjectionMatrix[3][3] == 0.0) ? (thickness / (gl_Position.z * defaultpixsize)) : (thickness / defaultpixsize);
finalThickness = max(size * objscale, 1.0);
}
finaluvdata = uvdata;
}
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