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authorBrian Paul <brianp@vmware.com>2009-12-17 14:22:43 -0700
committerBrian Paul <brianp@vmware.com>2009-12-17 14:22:43 -0700
commit7d9b97703aba0c751e2cf10025859cbfe66074b4 (patch)
treea9ecb20f07e17e4a466aa9eae3afa896102e4d01
parent5771f3d483e882d9f5b6c5f3bdb3c39696623b66 (diff)
llvmpipe: added function comments
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_flow.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_flow.c b/src/gallium/drivers/llvmpipe/lp_bld_flow.c
index dcc25fbff8..420d062fc7 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_flow.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_flow.c
@@ -402,6 +402,13 @@ lp_build_mask_check(struct lp_build_mask_context *mask)
}
+/**
+ * Begin a section of code which is predicated on a mask.
+ * \param mask the mask context, initialized here
+ * \param flow the flow context
+ * \param type the type of the mask
+ * \param value storage for the mask
+ */
void
lp_build_mask_begin(struct lp_build_mask_context *mask,
struct lp_build_flow_context *flow,
@@ -422,6 +429,11 @@ lp_build_mask_begin(struct lp_build_mask_context *mask,
}
+/**
+ * Update boolean mask with given value (bitwise AND).
+ * Typically used to update the quad's pixel alive/killed mask
+ * after depth testing, alpha testing, TGSI_OPCODE_KIL, etc.
+ */
void
lp_build_mask_update(struct lp_build_mask_context *mask,
LLVMValueRef value)
@@ -432,6 +444,9 @@ lp_build_mask_update(struct lp_build_mask_context *mask,
}
+/**
+ * End section of code which is predicated on a mask.
+ */
LLVMValueRef
lp_build_mask_end(struct lp_build_mask_context *mask)
{