Mesa (master): pan/midgard: Expose more typesize helpers

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Module: Mesa
Branch: master
Commit: 34a860b9e3c544ad82b8287e1b65a93c53bd7f62
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=34a860b9e3c544ad82b8287e1b65a93c53bd7f62

Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date:   Fri Nov 15 15:16:28 2019 -0500

pan/midgard: Expose more typesize helpers

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>

---

 src/panfrost/midgard/compiler.h |  2 ++
 src/panfrost/midgard/mir.c      | 20 +++++++++++++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/panfrost/midgard/compiler.h b/src/panfrost/midgard/compiler.h
index 635c0cc14c5..3c70f071814 100644
--- a/src/panfrost/midgard/compiler.h
+++ b/src/panfrost/midgard/compiler.h
@@ -518,7 +518,9 @@ unsigned mir_ubo_shift(midgard_load_store_op op);
 midgard_reg_mode mir_typesize(midgard_instruction *ins);
 midgard_reg_mode mir_srcsize(midgard_instruction *ins, unsigned i);
 unsigned mir_bytes_for_mode(midgard_reg_mode mode);
+midgard_reg_mode mir_mode_for_destsize(unsigned size);
 uint16_t mir_from_bytemask(uint16_t bytemask, midgard_reg_mode mode);
+uint16_t mir_to_bytemask(midgard_reg_mode mode, unsigned mask);
 uint16_t mir_bytemask(midgard_instruction *ins);
 uint16_t mir_round_bytemask_down(uint16_t mask, midgard_reg_mode mode);
 void mir_set_bytemask(midgard_instruction *ins, uint16_t bytemask);
diff --git a/src/panfrost/midgard/mir.c b/src/panfrost/midgard/mir.c
index 7c7149bd547..8d928458a54 100644
--- a/src/panfrost/midgard/mir.c
+++ b/src/panfrost/midgard/mir.c
@@ -283,9 +283,27 @@ mir_srcsize(midgard_instruction *ins, unsigned i)
         return mode;
 }
 
+midgard_reg_mode
+mir_mode_for_destsize(unsigned size)
+{
+        switch (size) {
+        case 8:
+                return midgard_reg_mode_8;
+        case 16:
+                return midgard_reg_mode_16;
+        case 32:
+                return midgard_reg_mode_32;
+        case 64:
+                return midgard_reg_mode_64;
+        default:
+                unreachable("Unknown destination size");
+        }
+}
+
+
 /* Converts per-component mask to a byte mask */
 
-static uint16_t
+uint16_t
 mir_to_bytemask(midgard_reg_mode mode, unsigned mask)
 {
         switch (mode) {