diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_flow.c | 15 |
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 dcc25fbff86..420d062fc72 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) { |