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in vec3 pos;
in vec4 nor; /* select flag on the 4th component */
out vec4 finalColor;
void main()
{
GPU_INTEL_VERTEX_SHADER_WORKAROUND
bool is_select = (nor.w > 0.0);
bool is_hidden = (nor.w < 0.0);
vec3 world_pos = point_object_to_world(pos);
gl_Position = point_world_to_ndc(world_pos);
/* Add offset in Z to avoid zfighting and render selected wires on top. */
/* TODO scale this bias using znear and zfar range. */
gl_Position.z -= (is_select ? 2e-4 : 1e-4);
if (is_hidden) {
gl_Position = vec4(-2.0, -2.0, -2.0, 1.0);
}
finalColor = (is_select) ? vec4(1.0) : colorWire;
finalColor.a = nor.w;
gl_PointSize = sizeVertex * 2.0;
#ifdef USE_WORLD_CLIP_PLANES
world_clip_planes_calc_clip_distance(world_pos);
#endif
}
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