- MTLBlendFactorZero
- MTLBlendFactorOne
- MTLBlendFactorSourceColor
- MTLBlendFactorOneMinusSourceColor
- MTLBlendFactorSourceAlpha
- MTLBlendFactorOneMinusSourceAlpha
- MTLBlendFactorDestinationColor
- MTLBlendFactorOneMinusDestinationColor
- MTLBlendFactorDestinationAlpha
- MTLBlendFactorOneMinusDestinationAlpha
- MTLBlendFactorSourceAlphaSaturated
- MTLBlendFactorBlendColor
- MTLBlendFactorOneMinusBlendColor
- MTLBlendFactorBlendAlpha
- MTLBlendFactorOneMinusBlendAlpha
- MTLBlendFactorSource1Color
- MTLBlendFactorOneMinusSource1Color
- MTLBlendFactorSource1Alpha
- MTLBlendFactorOneMinusSource1Alpha
