Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_eu.c | 22 ++++++++++++++++++++++
src/mesa/drivers/dri/i965/brw_eu.h | 1 +
2 files changed, 23 insertions(+)
This one comes first. Whoops...
diff --git a/src/mesa/drivers/dri/i965/brw_eu.c
b/src/mesa/drivers/dri/i965/brw_eu.c
index 9905972..a1b7fda 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.c
+++ b/src/mesa/drivers/dri/i965/brw_eu.c
@@ -65,6 +65,28 @@ brw_reg_type_letters(unsigned type)
return names[type];
}
+/* Returns a conditional modifier that negates the condition. */
+enum brw_conditional_mod
+brw_negate_cmod(uint32_t 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 ~0;
+ }
+}
+
/* Returns the corresponding conditional mod for swapping src0 and
* src1 in e.g. CMP.
*/
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h
b/src/mesa/drivers/dri/i965/brw_eu.h
index a94ea42..736c54b 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -445,6 +445,7 @@ 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_negate_cmod(uint32_t cmod);
enum brw_conditional_mod brw_swap_cmod(uint32_t cmod);
/* brw_eu_compact.c */
--
2.2.2
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
