Mesa (master): gallivm: comments

[Brian Paul]

Module: Mesa
Branch: master
Commit: 877f2356b2ab7caa16beed496f36eca64ee201e1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=877f2356b2ab7caa16beed496f36eca64ee201e1

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Mar  4 15:49:39 2010 -0700

gallivm: comments

---

 src/gallium/auxiliary/gallivm/lp_bld_logic.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.c b/src/gallium/auxiliary/gallivm/lp_bld_logic.c
index 41ac81b..2726747 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_logic.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.c
@@ -45,6 +45,7 @@
 /**
  * Build code to compare two values 'a' and 'b' of 'type' using the given func.
  * \param func  one of PIPE_FUNC_x
+ * The result values will be 0 for false or ~0 for true.
  */
 LLVMValueRef
 lp_build_compare(LLVMBuilderRef builder,
@@ -311,6 +312,7 @@ lp_build_compare(LLVMBuilderRef builder,
 /**
  * Build code to compare two values 'a' and 'b' using the given func.
  * \param func  one of PIPE_FUNC_x
+ * The result values will be 0 for false or ~0 for true.
  */
 LLVMValueRef
 lp_build_cmp(struct lp_build_context *bld,
@@ -322,6 +324,9 @@ lp_build_cmp(struct lp_build_context *bld,
 }
 
 
+/**
+ * Return mask ? a : b;
+ */
 LLVMValueRef
 lp_build_select(struct lp_build_context *bld,
                 LLVMValueRef mask,