source/blender/draw/modes/shaders/paint_wire_frag.glsl


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flat in int finalFlag;
out vec4 fragColor;

#define VERTEX_SELECTED (1 << 0)
#define VERTEX_HIDE     (1 << 4)

void main()
{
	if (bool(finalFlag & VERTEX_HIDE)) {
		discard;
	}

#ifdef VERTEX_MODE
	vec4 colSel = colorEdgeSelect;
	colSel.rgb = clamp(colSel.rgb - 0.2, 0.0, 1.0);
#else
	const vec4 colSel = vec4(1.0, 1.0, 1.0, 1.0);
#endif

	const vec4 colUnsel = vec4(0.5, 0.5, 0.5, 1.0);

	fragColor = bool(finalFlag & VERTEX_SELECTED) ? colSel : colUnsel;
}