Mesa (master): radeonsi: Handle TGSI TXB opcode.

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: 3e20513b8fe38a580ed6e43771fb288922d7b6ff
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3e20513b8fe38a580ed6e43771fb288922d7b6ff

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Tue Nov  6 17:39:01 2012 +0100

radeonsi: Handle TGSI TXB opcode.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

---

 src/gallium/drivers/radeonsi/radeonsi_shader.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index ec9d9f3..a5dddfb 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -786,6 +786,12 @@ static const struct lp_build_tgsi_action tex_action = {
 	.intr_name = "llvm.SI.sample"
 };
 
+static const struct lp_build_tgsi_action txb_action = {
+	.fetch_args = tex_fetch_args,
+	.emit = lp_build_tgsi_intrinsic,
+	.intr_name = "llvm.SI.sample.bias"
+};
+
 
 int si_pipe_shader_create(
 	struct pipe_context *ctx,
@@ -822,6 +828,7 @@ int si_pipe_shader_create(
 	bld_base->emit_epilogue = si_llvm_emit_epilogue;
 
 	bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action;
+	bld_base->op_actions[TGSI_OPCODE_TXB] = txb_action;
 	bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action;
 
 	si_shader_ctx.radeon_bld.load_input = declare_input;