diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.h')
-rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_ureg.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h index 0a976fd63b7..5a48bb7a35c 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h +++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h @@ -175,6 +175,33 @@ ureg_DECL_immediate1f( struct ureg_program *ureg, } /*********************************************************************** + * Functions for patching up labels + */ + + +/* Will return a number which can be used in a label to point to the + * next instruction to be emitted. + */ +unsigned +ureg_get_instruction_number( struct ureg_program *ureg ); + + +/* Patch a given label (expressed as a token number) to point to a + * given instruction (expressed as an instruction number). + * + * Labels are obtained from instruction emitters, eg ureg_CAL(). + * Instruction numbers are obtained from ureg_get_instruction_number(), + * above. + */ +void +ureg_fixup_label(struct ureg_program *ureg, + unsigned label_token, + unsigned instruction_number ); + + + + +/*********************************************************************** * Internal instruction helpers, don't call these directly: */ |