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remove some unpredictable branches on FlxShader #32

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remove some unpredictable branches on FlxShader #32

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8 changes: 1 addition & 7 deletions flixel/graphics/tile/FlxGraphicsShader.hx
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Original file line number Diff line number Diff line change
Expand Up @@ -41,18 +41,12 @@ class FlxGraphicsShader extends GraphicsShader
if (!(hasTransform || openfl_HasColorTransform))
return color;

if (color.a == 0.0)
return vec4(0.0, 0.0, 0.0, 0.0);

if (openfl_HasColorTransform || hasColorTransform)
{
color = vec4 (color.rgb / color.a, color.a);
color = vec4 (color.rgb / max(color.a, ALPHA_EPSILON), color.a);
vec4 mult = vec4 (openfl_ColorMultiplierv.rgb, 1.0);
color = clamp (openfl_ColorOffsetv + (color * mult), 0.0, 1.0);

if (color.a == 0.0)
return vec4 (0.0, 0.0, 0.0, 0.0);

return vec4 (color.rgb * color.a * openfl_Alphav, color.a * openfl_Alphav);
}

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