gallium: add opcodes/cap for fine derivative support

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]> (v1)
Reviewed-by: Roland Scheidegger <[email protected]> (v1)
v2: Reuse opcode gaps as suggested by Marek

2 files changed, 4 insertions, 2 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
index e24348f6cb5..74d186cfdf1 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -116,8 +116,8 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
    { 0, 1, 0, 0, 0, 1, NONE, "", 76 },      /* removed */
    { 0, 0, 0, 1, 1, 1, NONE, "ELSE", TGSI_OPCODE_ELSE },
    { 0, 0, 0, 0, 1, 0, NONE, "ENDIF", TGSI_OPCODE_ENDIF },
-   { 1, 0, 0, 0, 1, 0, NONE, "", 79 },      /* removed */
-   { 0, 0, 0, 0, 1, 0, NONE, "", 80 },      /* removed */
+   { 1, 1, 0, 0, 0, 0, COMP, "DDX_FINE", TGSI_OPCODE_DDX_FINE },
+   { 1, 1, 0, 0, 0, 0, COMP, "DDY_FINE", TGSI_OPCODE_DDY_FINE },
    { 0, 1, 0, 0, 0, 0, NONE, "PUSHA", TGSI_OPCODE_PUSHA },
    { 1, 0, 0, 0, 0, 0, NONE, "POPA", TGSI_OPCODE_POPA },
    { 1, 1, 0, 0, 0, 0, COMP, "CEIL", TGSI_OPCODE_CEIL },
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index e48159cd600..e1cba95c264 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -245,6 +245,8 @@ tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst,
    case TGSI_OPCODE_USNE:
    case TGSI_OPCODE_IMUL_HI:
    case TGSI_OPCODE_UMUL_HI:
+   case TGSI_OPCODE_DDX_FINE:
+   case TGSI_OPCODE_DDY_FINE:
       /* Channel-wise operations */
       read_mask = write_mask;
       break;