diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index 1b966afc..82d1af29 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -1683,8 +1683,7 @@ static void sm1_sort_externs(struct hlsl_ctx *ctx)
     list_move_tail(&ctx->extern_vars, &sorted);
 }
 
-static void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer,
-        struct hlsl_ir_function_decl *entry_func)
+void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer)
 {
     size_t ctab_offset, ctab_start, ctab_end, vars_start, size_offset, creator_offset, offset;
     unsigned int uniform_count = 0;
@@ -2784,7 +2783,7 @@ static void write_sm1_block(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *
  * and be declared in vkd3d_shader_private.h and used without relying on HLSL
  * IR structs. */
 int d3dbc_compile(struct vsir_program *program, uint64_t config_flags,
-        const struct vkd3d_shader_compile_info *compile_info,
+        const struct vkd3d_shader_compile_info *compile_info, const struct vkd3d_shader_code *ctab,
         struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context,
         struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func)
 {
@@ -2792,7 +2791,7 @@ int d3dbc_compile(struct vsir_program *program, uint64_t config_flags,
 
     put_u32(&buffer, sm1_version(ctx->profile->type, ctx->profile->major_version, ctx->profile->minor_version));
 
-    write_sm1_uniforms(ctx, &buffer, entry_func);
+    bytecode_put_bytes(&buffer, ctab->code, ctab->size);
 
     write_sm1_constant_defs(ctx, &buffer);
     write_sm1_semantic_dcls(ctx, &buffer);
diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
index 9ea6bc2e..8ca1aa6b 100644
--- a/libs/vkd3d-shader/hlsl.h
+++ b/libs/vkd3d-shader/hlsl.h
@@ -1473,8 +1473,9 @@ bool hlsl_sm1_register_from_semantic(struct hlsl_ctx *ctx, const struct hlsl_sem
         bool output, enum vkd3d_shader_register_type *type, unsigned int *reg);
 bool hlsl_sm1_usage_from_semantic(const struct hlsl_semantic *semantic, D3DDECLUSAGE *usage, uint32_t *usage_idx);
 
+void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer);
 int d3dbc_compile(struct vsir_program *program, uint64_t config_flags,
-        const struct vkd3d_shader_compile_info *compile_info,
+        const struct vkd3d_shader_compile_info *compile_info, const struct vkd3d_shader_code *ctab,
         struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context,
         struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func);
 
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 458d2fec..777dbea8 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -5523,12 +5523,13 @@ void hlsl_run_const_passes(struct hlsl_ctx *ctx, struct hlsl_block *body)
 }
 
 /* OBJECTIVE: Translate all the information from ctx and entry_func to the
- * vsir_program, so it can be used as input to d3dbc_compile() without relying
- * on ctx and entry_func. */
+ * vsir_program and ctab blob, so they can be used as input to d3dbc_compile()
+ * without relying on ctx and entry_func. */
 static void sm1_generate_vsir(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func,
-        uint64_t config_flags, struct vsir_program *program)
+        uint64_t config_flags, struct vsir_program *program, struct vkd3d_shader_code *ctab)
 {
     struct vkd3d_shader_version version = {0};
+    struct vkd3d_bytecode_buffer buffer = {0};
 
     version.major = ctx->profile->major_version;
     version.minor = ctx->profile->minor_version;
@@ -5538,6 +5539,16 @@ static void sm1_generate_vsir(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl
         ctx->result = VKD3D_ERROR_OUT_OF_MEMORY;
         return;
     }
+
+    write_sm1_uniforms(ctx, &buffer);
+    if (buffer.status)
+    {
+        vkd3d_free(buffer.data);
+        ctx->result = buffer.status;
+        return;
+    }
+    ctab->code = buffer.data;
+    ctab->size = buffer.size;
 }
 
 int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func,
@@ -5724,18 +5735,21 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry
         case VKD3D_SHADER_TARGET_D3D_BYTECODE:
         {
             uint32_t config_flags = vkd3d_shader_init_config_flags();
+            struct vkd3d_shader_code ctab = {0};
             struct vsir_program program;
             int result;
 
-            sm1_generate_vsir(ctx, entry_func, config_flags, &program);
+            sm1_generate_vsir(ctx, entry_func, config_flags, &program, &ctab);
             if (ctx->result)
             {
                 vsir_program_cleanup(&program);
+                vkd3d_shader_free_shader_code(&ctab);
                 return ctx->result;
             }
 
-            result = d3dbc_compile(&program, config_flags, NULL, out, ctx->message_context, ctx, entry_func);
+            result = d3dbc_compile(&program, config_flags, NULL, &ctab, out, ctx->message_context, ctx, entry_func);
             vsir_program_cleanup(&program);
+            vkd3d_shader_free_shader_code(&ctab);
             return result;
         }