radeonsi: Handle TGSI TXB opcode.

Signed-off-by: Michel Dänzer <[email protected]>
Reviewed-by: Tom Stellard <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>

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 ec9d9f3a7a1..a5dddfbc921 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;