radeonsi: Handle TGSI TXB opcode.

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

diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index ec9d9f3a7a199908fffdcf839154630a4a878e90..a5dddfbc9216e57af96e13726f2bcb254a07cb5c 100644 (file)
--- 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;