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authorMatt Turner <[email protected]>2013-04-17 11:52:00 -0700
committerMatt Turner <[email protected]>2013-05-06 10:17:13 -0700
commit23050478235fc66e4f8decebd94039b4efcc6c10 (patch)
treecf7cdef2124630fdfd6be58167189321e8153d76 /src/mesa
parent4049d48e02c917b397cd566d8983108679cca62e (diff)
i965: Add 3-src destination and shared-source type macros.
Reviewed-by: Chris Forbes <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_defines.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index 6517f243a0d..b0075202171 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -777,6 +777,17 @@ enum opcode {
#define BRW_REGISTER_TYPE_V 6 /* packed int vector, immediates only, uword dest only */
#define BRW_REGISTER_TYPE_F 7
+/* SNB adds 3-src instructions (MAD and LRP) that only operate on floats, so
+ * the types were implied. IVB adds BFE and BFI2 that operate on doublewords
+ * and unsigned doublewords, so a new field is also available in the da3src
+ * struct (part of struct brw_instruction.bits1 in brw_structs.h) to select
+ * dst and shared-src types. The values are different from BRW_REGISTER_TYPE_*.
+ */
+#define BRW_3SRC_TYPE_F 0
+#define BRW_3SRC_TYPE_D 1
+#define BRW_3SRC_TYPE_UD 2
+#define BRW_3SRC_TYPE_DF 3
+
#define BRW_ARF_NULL 0x00
#define BRW_ARF_ADDRESS 0x10
#define BRW_ARF_ACCUMULATOR 0x20