---
src/mesa/drivers/dri/i965/brw_eu.c | 22 ++++++++++++++++++++++
src/mesa/drivers/dri/i965/brw_eu.h | 1 +
2 files changed, 23 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_eu.c
b/src/mesa/drivers/dri/i965/brw_eu.c
index 9905972..9977eed 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.c
+++ b/src/mesa/drivers/dri/i965/brw_eu.c
@@ -88,6 +88,28 @@ brw_swap_cmod(uint32_t cmod)
}
}
+/* Returns the corresponding inverted conditional mod. */
+enum brw_conditional_mod
+brw_invert_cmod(enum brw_conditional_mod cmod)
+{
+ switch (cmod) {
+ case BRW_CONDITIONAL_Z:
+ return BRW_CONDITIONAL_NZ;
+ case BRW_CONDITIONAL_NZ:
+ return BRW_CONDITIONAL_Z;
+ case BRW_CONDITIONAL_G:
+ return BRW_CONDITIONAL_LE;
+ case BRW_CONDITIONAL_GE:
+ return BRW_CONDITIONAL_L;
+ case BRW_CONDITIONAL_L:
+ return BRW_CONDITIONAL_GE;
+ case BRW_CONDITIONAL_LE:
+ return BRW_CONDITIONAL_G;
+ default:
+ return BRW_CONDITIONAL_NONE;
+ }
+}
+
void brw_set_default_predicate_control( struct brw_compile *p, unsigned pc )
{
brw_inst_set_pred_control(p->brw, p->current, pc);
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h
b/src/mesa/drivers/dri/i965/brw_eu.h
index 22d5a0a..42bc9f2 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -447,6 +447,7 @@ void brw_set_src1(struct brw_compile *p, brw_inst *insn,
struct brw_reg reg);
void brw_set_uip_jip(struct brw_compile *p);
enum brw_conditional_mod brw_swap_cmod(uint32_t cmod);
+enum brw_conditional_mod brw_invert_cmod(enum brw_conditional_mod cmod);
/* brw_eu_compact.c */
void brw_init_compaction_tables(struct brw_context *brw);
--
2.0.4
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