[Mesa-dev] [PATCH 4/4] i965: Silence unused parameter warnings

Eric Engestrom eric at engestrom.ch
Sat Oct 15 00:44:23 UTC 2016


> Subject: [PATCH 4/4] i965: Silence unused parameter warnings

How about "remove unused parameters" instead?
Silencing the warnings is nothing more than a side effect of this
change, albeit the reason you realised it was needed.

(Sorry, I've seen so many "silence warning" commits at $DAYJOB that
this has become a pet peeve of mine)

One suggestion below, but the series looks good:
Reviewed-by: Eric Engestrom <eric at engestrom.ch>


On Fri, Oct 14, 2016 at 11:59:47AM -0700, Ian Romanick wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
> 
> brw_link.cpp:76:44: warning: unused parameter ‘shader_type’ [-Wunused-parameter]
>                             gl_shader_stage shader_type,
>                                             ^
> brw_nir.c: In function ‘brw_nir_lower_vs_inputs’:
> brw_nir.c:194:55: warning: unused parameter ‘devinfo’ [-Wunused-parameter]
>                          const struct gen_device_info *devinfo,
>                                                        ^
> brw_vec4_visitor.cpp:914:37: warning: unused parameter ‘sampler’ [-Wunused-parameter]
>                             uint32_t sampler,
>                                      ^
> brw_vec4_visitor.cpp:1146:34: warning: unused parameter ‘stream_id’ [-Wunused-parameter]
>  vec4_visitor::gs_emit_vertex(int stream_id)
>                                   ^
> 
> Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
> ---
>  src/mesa/drivers/dri/i965/brw_link.cpp         | 3 +--
>  src/mesa/drivers/dri/i965/brw_nir.c            | 1 -
>  src/mesa/drivers/dri/i965/brw_nir.h            | 1 -
>  src/mesa/drivers/dri/i965/brw_vec4.cpp         | 2 +-
>  src/mesa/drivers/dri/i965/brw_vec4.h           | 2 +-
>  src/mesa/drivers/dri/i965/brw_vec4_nir.cpp     | 2 +-
>  src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 3 +--
>  7 files changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_link.cpp b/src/mesa/drivers/dri/i965/brw_link.cpp
> index 02151d6..5ea9773 100644
> --- a/src/mesa/drivers/dri/i965/brw_link.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_link.cpp
> @@ -73,7 +73,6 @@ brw_shader_precompile(struct gl_context *ctx,
>  
>  static void
>  brw_lower_packing_builtins(struct brw_context *brw,
> -                           gl_shader_stage shader_type,
>                             exec_list *ir)
>  {
>     /* Gens < 7 don't have instructions to convert to or from half-precision,
> @@ -105,7 +104,7 @@ process_glsl_ir(struct brw_context *brw,
>     /* lower_packing_builtins() inserts arithmetic instructions, so it
>      * must precede lower_instructions().
>      */
> -   brw_lower_packing_builtins(brw, shader->Stage, shader->ir);
> +   brw_lower_packing_builtins(brw, shader->ir);
>     do_mat_op_to_vec(shader->ir);
>  
>     unsigned instructions_to_lower = (DIV_TO_MUL_RCP |
> diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c
> index 744865b..a935f42 100644
> --- a/src/mesa/drivers/dri/i965/brw_nir.c
> +++ b/src/mesa/drivers/dri/i965/brw_nir.c
> @@ -191,7 +191,6 @@ remap_patch_urb_offsets(nir_block *block, nir_builder *b,
>  
>  void
>  brw_nir_lower_vs_inputs(nir_shader *nir,
> -                        const struct gen_device_info *devinfo,
>                          bool is_scalar,
>                          bool use_legacy_snorm_formula,
>                          const uint8_t *vs_attrib_wa_flags)
> diff --git a/src/mesa/drivers/dri/i965/brw_nir.h b/src/mesa/drivers/dri/i965/brw_nir.h
> index 425d6ce..aef5c53 100644
> --- a/src/mesa/drivers/dri/i965/brw_nir.h
> +++ b/src/mesa/drivers/dri/i965/brw_nir.h
> @@ -99,7 +99,6 @@ nir_shader *brw_preprocess_nir(const struct brw_compiler *compiler,
>  bool brw_nir_lower_intrinsics(nir_shader *nir,
>                                struct brw_stage_prog_data *prog_data);
>  void brw_nir_lower_vs_inputs(nir_shader *nir,
> -                             const struct gen_device_info *devinfo,
>                               bool is_scalar,
>                               bool use_legacy_snorm_formula,
>                               const uint8_t *vs_attrib_wa_flags);
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
> index 6aa9102..362f32b 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
> @@ -2114,7 +2114,7 @@ brw_compile_vs(const struct brw_compiler *compiler, void *log_data,
>     nir_shader *shader = nir_shader_clone(mem_ctx, src_shader);
>     shader = brw_nir_apply_sampler_key(shader, compiler->devinfo, &key->tex,
>                                        is_scalar);
> -   brw_nir_lower_vs_inputs(shader, compiler->devinfo, is_scalar,
> +   brw_nir_lower_vs_inputs(shader, is_scalar,
>                             use_legacy_snorm_formula, key->gl_attrib_wa_flags);
>     brw_nir_lower_vue_outputs(shader, is_scalar);
>     shader = brw_postprocess_nir(shader, compiler->devinfo, is_scalar);
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h
> index 1505ba6..62c6007 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4.h
> +++ b/src/mesa/drivers/dri/i965/brw_vec4.h
> @@ -262,7 +262,7 @@ public:
>                       src_reg offset_value,
>                       src_reg mcs,
>                       uint32_t surface, src_reg surface_reg,
> -                     uint32_t sampler, src_reg sampler_reg);
> +                     src_reg sampler_reg);
>  
>     src_reg emit_mcs_fetch(const glsl_type *coordinate_type, src_reg coordinate,
>                            src_reg surface);
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
> index 1d834a4..7b36fca 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
> @@ -1967,7 +1967,7 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
>                  shadow_comparitor,
>                  lod, lod2, sample_index,
>                  constant_offset, offset_value, mcs,
> -                texture, texture_reg, sampler, sampler_reg);
> +                texture, texture_reg, sampler_reg);
>  }
>  
>  void
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
> index 3e785bc..eca753c 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
> @@ -909,7 +909,6 @@ vec4_visitor::emit_texture(ir_texture_opcode op,
>                             src_reg mcs,
>                             uint32_t surface,
>                             src_reg surface_reg,
> -                           uint32_t sampler,
>                             src_reg sampler_reg)
>  {
>     /* The sampler can only meaningfully compute LOD for fragment shader
> @@ -1141,7 +1140,7 @@ vec4_visitor::emit_gen6_gather_wa(uint8_t wa, dst_reg dst)
>  }
>  
>  void
> -vec4_visitor::gs_emit_vertex(int stream_id)
> +vec4_visitor::gs_emit_vertex(int /* stream_id */)

`UNUSED`?

>  {
>     unreachable("not reached");
>  }
> -- 
> 2.5.5


More information about the mesa-dev mailing list