From d0cd8bf2a54ee5813afa72b76475bb04c269b481 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Thu, 12 Nov 2020 18:19:21 +0100
Subject: [PATCH] pan/bi: Support txs operations

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7636>
---
 src/panfrost/bifrost/bifrost_compile.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 8b7989cf97e..deb2222fdc5 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -2078,6 +2078,22 @@ bi_is_normal_tex(gl_shader_stage stage, nir_tex_instr *instr)
 static void
 emit_tex(bi_context *ctx, nir_tex_instr *instr)
 {
+        switch (instr->op) {
+        case nir_texop_txs:
+                bi_emit_sysval(ctx, &instr->instr, 4, 0);
+                return;
+
+        case nir_texop_tex:
+        case nir_texop_txl:
+        case nir_texop_txb:
+        case nir_texop_txf:
+        case nir_texop_txf_ms:
+                break;
+
+        default:
+                unreachable("Invalid texture operation");
+        }
+
         nir_alu_type base = nir_alu_type_get_base_type(instr->dest_type);
         unsigned sz =  nir_dest_bit_size(instr->dest);
         instr->dest_type = base | sz;