Mesa (master): r600g: add TXB support

[Dave Airlie]

Module: Mesa
Branch: master
Commit: d01c0025e81e713d99f4de9ed7f4cdd12a1d08b5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d01c0025e81e713d99f4de9ed7f4cdd12a1d08b5

Author: Dave Airlie <airlied at redhat.com>
Date:   Wed Aug 18 15:26:28 2010 +1000

r600g: add TXB support

fixes biased texturing tests

---

 src/gallium/drivers/r600/r600_shader.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index c45aa77..ea1dd1e 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1272,7 +1272,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_SSG,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, /* SGN */
 	{TGSI_OPCODE_CMP,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_SCS,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
-	{TGSI_OPCODE_TXB,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
+	{TGSI_OPCODE_TXB,	0, SQ_TEX_INST_SAMPLE_L, tgsi_tex},
 	{TGSI_OPCODE_NRM,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_DIV,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_DP2,	0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_DOT4, tgsi_dp},