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42 lines
1.2 KiB
Swift
42 lines
1.2 KiB
Swift
internal enum BlendFunc: Hashable {
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case off
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case on(src: BlendFuncSourceFactor = .one, dst: BlendFuncDestinationFactor = .zero, equation: BlendFuncEquation = .add)
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case separate(
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srcColor: BlendFuncSourceFactor, srcAlpha: BlendFuncSourceFactor,
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dstColor: BlendFuncDestinationFactor, dstAlpha: BlendFuncDestinationFactor,
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equColor: BlendFuncEquation, equAlpha: BlendFuncEquation)
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}
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enum BlendFuncSourceFactor: Hashable {
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case zero, one
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case srcColor, oneMinusSrcColor
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case dstColor, oneMinusDstColor
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case srcAlpha, oneMinusSrcAlpha
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case dstAlpha, oneMinusDstAlpha
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/*
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case constantColor, oneMinusConstantColor
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case constantAlpha, oneMinusConstantAlpha
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*/
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case srcAlphaSaturate
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case src1Color, oneMinusSrc1Color
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case src1Alpha, oneMinusSrc1Alpha
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}
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enum BlendFuncDestinationFactor: Hashable {
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case zero, one
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case srcColor, oneMinusSrcColor
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case dstColor, oneMinusDstColor
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case srcAlpha, oneMinusSrcAlpha
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case dstAlpha, oneMinusDstAlpha
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/*
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case constantColor, oneMinusConstantColor
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case constantAlpha, oneMinusConstantAlpha
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*/
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}
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enum BlendFuncEquation: Hashable {
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case add
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case subtract, reverseSubtract
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case min, max
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}
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