Module: Mesa Branch: master Commit: e0554634592b4dd616bcc51d3e941f86e7bec044 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e0554634592b4dd616bcc51d3e941f86e7bec044
Author: Alyssa Rosenzweig <[email protected]> Date: Thu Aug 20 11:45:38 2020 -0400 gallium: Add util_blend_uses_dest helper Signed-off-by: Alyssa Rosenzweig <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Marek Olšák <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6407> --- src/gallium/auxiliary/util/u_blend.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/gallium/auxiliary/util/u_blend.h b/src/gallium/auxiliary/util/u_blend.h index 7fca2fab6d1..7fccdb26d31 100644 --- a/src/gallium/auxiliary/util/u_blend.h +++ b/src/gallium/auxiliary/util/u_blend.h @@ -132,4 +132,14 @@ util_blend_factor_uses_dest(enum pipe_blendfactor factor, bool alpha) } } +static inline bool +util_blend_uses_dest(struct pipe_rt_blend_state rt) +{ + return rt.blend_enable && + (util_blend_factor_uses_dest(rt.rgb_src_factor, false) || + util_blend_factor_uses_dest(rt.alpha_src_factor, true) || + rt.rgb_dst_factor != PIPE_BLENDFACTOR_ZERO || + rt.alpha_dst_factor != PIPE_BLENDFACTOR_ZERO); +} + #endif /* U_BLEND_H */ _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
