llvmpipe: blend comments

1 files changed, 7 insertions, 0 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
index 1e8a035d78e..73516fd81b4 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
@@ -155,6 +155,13 @@ lp_build_blend_soa_factor(struct lp_build_blend_soa_context *bld,
 }
 
 
+/**
+ * Generate blend code in SOA mode.
+ * \param src  src/fragment color
+ * \param dst  dst/framebuffer color
+ * \param con  constant blend color
+ * \param res  the result/output
+ */
 void
 lp_build_blend_soa(LLVMBuilderRef builder,
                    const struct pipe_blend_state *blend,