[Mesa-dev] [PATCH 28/32] i965/blorp: Add a helper for emitting surface states

[Pohjolainen, Topi]

On Thu, Aug 11, 2016 at 02:15:25PM -0700, Jason Ekstrand wrote:
> The new helper emits surface states and the binding table in one go.  It's
> nice to have it pulled out of the main blorp_exec function.
> ---
>  src/mesa/drivers/dri/i965/genX_blorp_exec.c | 52 ++++++++++++++++-------------

Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

>  1 file changed, 28 insertions(+), 24 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/genX_blorp_exec.c b/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> index 156d8ac..922da45 100644
> --- a/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> +++ b/src/mesa/drivers/dri/i965/genX_blorp_exec.c
> @@ -306,6 +306,32 @@ blorp_emit_depth_stencil_state(struct brw_context *brw,
>  }
>  
>  static void
> +blorp_emit_surface_states(struct brw_context *brw,
> +                          const struct brw_blorp_params *params)
> +{
> +   uint32_t bind_offset;
> +   uint32_t *bind =
> +      brw_state_batch(brw, AUB_TRACE_BINDING_TABLE,
> +                      sizeof(uint32_t) * BRW_BLORP_NUM_BINDING_TABLE_ENTRIES,
> +                      32, /* alignment */ &bind_offset);
> +
> +   bind[BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX] =
> +      brw_blorp_emit_surface_state(brw, &params->dst,
> +                                   I915_GEM_DOMAIN_RENDER,
> +                                   I915_GEM_DOMAIN_RENDER, true);
> +   if (params->src.bo) {
> +      bind[BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX] =
> +         brw_blorp_emit_surface_state(brw, &params->src,
> +                                      I915_GEM_DOMAIN_SAMPLER, 0, false);
> +   }
> +
> +   blorp_emit(brw, GENX(3DSTATE_BINDING_TABLE_POINTERS), bt) {
> +      bt.PSBindingTableChange = true;
> +      bt.PointertoPSBindingTable = bind_offset;
> +   }
> +}
> +
> +static void
>  blorp_emit_sampler_state(struct brw_context *brw,
>                           const struct brw_blorp_params *params)
>  {
> @@ -381,7 +407,6 @@ genX(blorp_exec)(struct brw_context *brw,
>     uint32_t blend_state_offset = 0;
>     uint32_t color_calc_state_offset = 0;
>     uint32_t depth_stencil_state_offset;
> -   uint32_t wm_bind_bo_offset = 0;
>  
>     /* Emit workaround flushes when we switch from drawing to blorping. */
>     brw_emit_post_sync_nonzero_flush(brw);
> @@ -413,29 +438,8 @@ genX(blorp_exec)(struct brw_context *brw,
>     blorp_emit(brw, GENX(3DSTATE_CONSTANT_GS), gs);
>     blorp_emit(brw, GENX(3DSTATE_CONSTANT_PS), ps);
>  
> -   if (params->wm_prog_data) {
> -      uint32_t wm_surf_offset_renderbuffer;
> -      uint32_t wm_surf_offset_texture = 0;
> -
> -      wm_surf_offset_renderbuffer =
> -         brw_blorp_emit_surface_state(brw, &params->dst,
> -                                      I915_GEM_DOMAIN_RENDER,
> -                                      I915_GEM_DOMAIN_RENDER, true);
> -      if (params->src.bo) {
> -         wm_surf_offset_texture =
> -            brw_blorp_emit_surface_state(brw, &params->src,
> -                                         I915_GEM_DOMAIN_SAMPLER, 0, false);
> -      }
> -      wm_bind_bo_offset =
> -         gen6_blorp_emit_binding_table(brw,
> -                                       wm_surf_offset_renderbuffer,
> -                                       wm_surf_offset_texture);
> -
> -      blorp_emit(brw, GENX(3DSTATE_BINDING_TABLE_POINTERS), bt) {
> -         bt.PSBindingTableChange = true;
> -         bt.PointertoPSBindingTable = wm_bind_bo_offset;
> -      }
> -   }
> +   if (params->wm_prog_data)
> +      blorp_emit_surface_states(brw, params);
>  
>     if (params->src.bo)
>        blorp_emit_sampler_state(brw, params);
> -- 
> 2.5.0.400.gff86faf
> 
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