# SDL\_ComposeCustomBlendMode can blendMultiply

**URL:** <https://discourse.libsdl.org/t/sdl-composecustomblendmode-can-blendmultiply/26724>\
**Category:** SDL Development\
**Created:** [October 14, 2019, 2:45am UTC](https://discourse.libsdl.org/t/sdl-composecustomblendmode-can-blendmultiply/26724 "2019-10-14T02:45:30Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jsalina](https://discourse.libsdl.org/letter_avatar_proxy/v4/letter/j/c2a13f/32.png) [@jsalina](https://discourse.libsdl.org/u/jsalina)\
**Post date:** [October 14, 2019, 2:45am UTC](https://discourse.libsdl.org/t/sdl-composecustomblendmode-can-blendmultiply/26724/1 "2019-10-14T02:45:30Z")

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Is is possible do a multiply blend using SDL\_ComposeCustomBlendMode? A common mask for lightmaps.