source/blender/draw/engines/overlay/shaders/armature_wire_frag.glsl


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uniform float alpha = 1.0;

flat in vec4 finalColor;
flat in vec2 edgeStart;
noperspective in vec2 edgePos;

layout(location = 0) out vec4 fragColor;
layout(location = 1) out vec4 lineOutput;

void main()
{
  lineOutput = pack_line_data(gl_FragCoord.xy, edgeStart, edgePos);
  fragColor = vec4(finalColor.rgb, finalColor.a * alpha);
}