diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 6e0a927284c..30fe55177fe 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -2432,6 +2432,12 @@ typedef struct {
     * then the sampler index is given by sampler_index + sampler_offset.
     */
    unsigned sampler_index;
+
+   /* Back-end specific flags, intended to be used in combination with
+    * nir_tex_src_backend1/2 to provide additional hw-specific information
+    * to the back-end compiler.
+    */
+   uint32_t backend_flags;
 } nir_tex_instr;
 
 /**
diff --git a/src/compiler/nir/nir_clone.c b/src/compiler/nir/nir_clone.c
index 8fadc784055..aca2e99a3d5 100644
--- a/src/compiler/nir/nir_clone.c
+++ b/src/compiler/nir/nir_clone.c
@@ -415,6 +415,8 @@ clone_tex(clone_state *state, const nir_tex_instr *tex)
    ntex->texture_non_uniform = tex->texture_non_uniform;
    ntex->sampler_non_uniform = tex->sampler_non_uniform;
 
+   ntex->backend_flags = tex->backend_flags;
+
    return ntex;
 }
 
diff --git a/src/compiler/nir/nir_instr_set.c b/src/compiler/nir/nir_instr_set.c
index 8794e5978e1..040985b3a84 100644
--- a/src/compiler/nir/nir_instr_set.c
+++ b/src/compiler/nir/nir_instr_set.c
@@ -283,6 +283,7 @@ hash_tex(uint32_t hash, const nir_tex_instr *instr)
    hash = HASH(hash, instr->sampler_index);
    hash = HASH(hash, instr->texture_non_uniform);
    hash = HASH(hash, instr->sampler_non_uniform);
+   hash = HASH(hash, instr->backend_flags);
 
    return hash;
 }
@@ -659,7 +660,8 @@ nir_instrs_equal(const nir_instr *instr1, const nir_instr *instr2)
           tex1->is_new_style_shadow != tex2->is_new_style_shadow ||
           tex1->component != tex2->component ||
          tex1->texture_index != tex2->texture_index ||
-         tex1->sampler_index != tex2->sampler_index) {
+         tex1->sampler_index != tex2->sampler_index ||
+         tex1->backend_flags != tex2->backend_flags) {
          return false;
       }
 
diff --git a/src/compiler/nir/nir_serialize.c b/src/compiler/nir/nir_serialize.c
index 9d5d345c80c..10ca44b9231 100644
--- a/src/compiler/nir/nir_serialize.c
+++ b/src/compiler/nir/nir_serialize.c
@@ -1506,6 +1506,7 @@ write_tex(write_ctx *ctx, const nir_tex_instr *tex)
 
    blob_write_uint32(ctx->blob, tex->texture_index);
    blob_write_uint32(ctx->blob, tex->sampler_index);
+   blob_write_uint32(ctx->blob, tex->backend_flags);
    if (tex->op == nir_texop_tg4)
       blob_write_bytes(ctx->blob, tex->tg4_offsets, sizeof(tex->tg4_offsets));
 
@@ -1544,6 +1545,7 @@ read_tex(read_ctx *ctx, union packed_instr header)
    tex->op = header.tex.op;
    tex->texture_index = blob_read_uint32(ctx->blob);
    tex->sampler_index = blob_read_uint32(ctx->blob);
+   tex->backend_flags = blob_read_uint32(ctx->blob);
    if (tex->op == nir_texop_tg4)
       blob_copy_bytes(ctx->blob, tex->tg4_offsets, sizeof(tex->tg4_offsets));