Emit #line directives, refactor prefixes '__' -> '_', fix 'bars' outline
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@@ -31,7 +31,7 @@ out vec4 fragment;
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void main() {
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#if __USE_ALPHA > 0
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#if _USE_ALPHA > 0
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#define APPLY_FRAG(f, c) f = vec4(f.rgb * f.a + c.rgb * (1 - clamp(f.a, 0, 1)), max(c.a, f.a))
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fragment = #00000000;
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#else
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@@ -48,7 +48,7 @@ void main() {
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float d = sqrt((dx * dx) + (dy * dy)); /* distance */
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if (d > C_RADIUS - (float(C_LINE) / 2.0F) && d < C_RADIUS + (float(C_LINE) / 2.0F)) {
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APPLY_FRAG(fragment, OUTLINE);
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#if __USE_ALPHA > 0
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#if _USE_ALPHA > 0
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fragment.a *= clamp(((C_LINE / 2) - abs(C_RADIUS - d)) * C_ALIAS_FACTOR, 0, 1);
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#else
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return; /* return immediately if there is no alpha blending available */
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@@ -74,7 +74,7 @@ void main() {
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v *= AMPLIFY; /* amplify */
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#undef smooth_f
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/* offset to fragment distance from inner circle */
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#if __USE_ALPHA > 0
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#if _USE_ALPHA > 0
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#define ALIAS_FACTOR (((BAR_WIDTH / 2) - abs(ym)) * BAR_ALIAS_FACTOR)
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d -= C_RADIUS; /* start bar overlapping the inner circle for blending */
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#else
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@@ -91,7 +91,7 @@ void main() {
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#else
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r = COLOR;
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#endif
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#if __USE_ALPHA > 0
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#if _USE_ALPHA > 0
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r.a *= ALIAS_FACTOR;
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#endif
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APPLY_FRAG(fragment, r);
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@@ -99,7 +99,7 @@ void main() {
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}
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#if BAR_OUTLINE_WIDTH > 0
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if (d <= v) {
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#if __USE_ALPHA > 0
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#if _USE_ALPHA > 0
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vec4 r = BAR_OUTLINE;
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r.a *= ALIAS_FACTOR;
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APPLY_FRAG(fragment, r);
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