Mesa (master): vc4: Enable POW lowering in TGSI instead of our own code.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 4dccdbf5cb46a9e36d92f675b0b6ef01756b8af0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4dccdbf5cb46a9e36d92f675b0b6ef01756b8af0

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Sep 30 13:29:22 2014 -0700

vc4: Enable POW lowering in TGSI instead of our own code.

---

 src/gallium/drivers/vc4/vc4_program.c |   12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index 27f7331..21d0ec9 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -696,16 +696,6 @@ tgsi_to_qir_tex(struct vc4_compile *c,
 }
 
 static struct qreg
-tgsi_to_qir_pow(struct vc4_compile *c,
-                struct tgsi_full_instruction *tgsi_inst,
-                enum qop op, struct qreg *src, int i)
-{
-        /* Note that this instruction replicates its result from the x channel
-         */
-        return qir_POW(c, src[0 * 4 + 0], src[1 * 4 + 0]);
-}
-
-static struct qreg
 tgsi_to_qir_trunc(struct vc4_compile *c,
                 struct tgsi_full_instruction *tgsi_inst,
                 enum qop op, struct qreg *src, int i)
@@ -1096,7 +1086,6 @@ emit_tgsi_instruction(struct vc4_compile *c,
                 [TGSI_OPCODE_LG2] = { QOP_LOG2, tgsi_to_qir_alu },
                 [TGSI_OPCODE_LIT] = { 0, tgsi_to_qir_lit },
                 [TGSI_OPCODE_LRP] = { 0, tgsi_to_qir_lrp },
-                [TGSI_OPCODE_POW] = { 0, tgsi_to_qir_pow },
                 [TGSI_OPCODE_TRUNC] = { 0, tgsi_to_qir_trunc },
                 [TGSI_OPCODE_FRC] = { 0, tgsi_to_qir_frc },
                 [TGSI_OPCODE_FLR] = { 0, tgsi_to_qir_flr },
@@ -1694,6 +1683,7 @@ vc4_shader_state_create(struct pipe_context *pctx,
                 .lower_DST = true,
                 .lower_XPD = true,
                 .lower_SCS = true,
+                .lower_POW = true,
                 .lower_EXP = true,
                 .lower_LOG = true,
                 .lower_DP4 = true,