1 files changed, 42 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index f67c16200a9..d898fd66f48 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -58,6 +58,7 @@
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_util.h"
 #include "tgsi_exec.h"
+#include "util/u_half.h"
 #include "util/u_memory.h"
 #include "util/u_math.h"
 
@@ -3058,6 +3059,45 @@ exec_dp2(struct tgsi_exec_machine *mach,
 }
 
 static void
+exec_pk2h(struct tgsi_exec_machine *mach,
+          const struct tgsi_full_instruction *inst)
+{
+   unsigned chan;
+   union tgsi_exec_channel arg[2], dst;
+
+   fetch_source(mach, &arg[0], &inst->Src[0], TGSI_CHAN_X, TGSI_EXEC_DATA_FLOAT);
+   fetch_source(mach, &arg[1], &inst->Src[0], TGSI_CHAN_Y, TGSI_EXEC_DATA_FLOAT);
+   for (chan = 0; chan < TGSI_QUAD_SIZE; chan++) {
+      dst.u[chan] = util_float_to_half(arg[0].f[chan]) |
+         (util_float_to_half(arg[1].f[chan]) << 16);
+   }
+   for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+      if (inst->Dst[0].Register.WriteMask & (1 << chan)) {
+         store_dest(mach, &dst, &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_UINT);
+      }
+   }
+}
+
+static void
+exec_up2h(struct tgsi_exec_machine *mach,
+          const struct tgsi_full_instruction *inst)
+{
+   unsigned chan;
+   union tgsi_exec_channel arg, dst[2];
+
+   fetch_source(mach, &arg, &inst->Src[0], TGSI_CHAN_X, TGSI_EXEC_DATA_UINT);
+   for (chan = 0; chan < TGSI_QUAD_SIZE; chan++) {
+      dst[0].f[chan] = util_half_to_float(arg.u[chan] & 0xffff);
+      dst[1].f[chan] = util_half_to_float(arg.u[chan] >> 16);
+   }
+   for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+      if (inst->Dst[0].Register.WriteMask & (1 << chan)) {
+         store_dest(mach, &dst[chan & 1], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT);
+      }
+   }
+}
+
+static void
 exec_scs(struct tgsi_exec_machine *mach,
          const struct tgsi_full_instruction *inst)
 {
@@ -4339,7 +4379,7 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_PK2H:
-      assert (0);
+      exec_pk2h(mach, inst);
       break;
 
    case TGSI_OPCODE_PK2US:
@@ -4425,7 +4465,7 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_UP2H:
-      assert (0);
+      exec_up2h(mach, inst);
       break;
 
    case TGSI_OPCODE_UP2US: