[Mesa-dev] [PATCH 9/9] gallium: decrease the size of pipe_draw_info - 88 -> 80 bytes

Nicolai Hähnle nhaehnle at gmail.com
Mon Apr 3 08:46:33 UTC 2017


Some of these are a bit subtle, but I think they're fine. Series is:

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

On 02.04.2017 20:00, Marek Olšák wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> ---
>  src/gallium/auxiliary/indices/u_primconvert.c | 10 ++++++++--
>  src/gallium/include/pipe/p_state.h            |  2 +-
>  2 files changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/src/gallium/auxiliary/indices/u_primconvert.c b/src/gallium/auxiliary/indices/u_primconvert.c
> index 2bdfade..1ffca4b 100644
> --- a/src/gallium/auxiliary/indices/u_primconvert.c
> +++ b/src/gallium/auxiliary/indices/u_primconvert.c
> @@ -121,39 +121,45 @@ util_primconvert_draw_vbo(struct primconvert_context *pc,
>     util_draw_init_info(&new_info);
>     new_info.indexed = true;
>     new_info.min_index = info->min_index;
>     new_info.max_index = info->max_index;
>     new_info.index_bias = info->index_bias;
>     new_info.start_instance = info->start_instance;
>     new_info.instance_count = info->instance_count;
>     new_info.primitive_restart = info->primitive_restart;
>     new_info.restart_index = info->restart_index;
>     if (info->indexed) {
> +      enum pipe_prim_type mode = 0;
> +
>        u_index_translator(pc->primtypes_mask,
>                           info->mode, pc->saved_ib.index_size, info->count,
>                           pc->api_pv, pc->api_pv,
>                           info->primitive_restart ? PR_ENABLE : PR_DISABLE,
> -                         &new_info.mode, &new_ib.index_size, &new_info.count,
> +                         &mode, &new_ib.index_size, &new_info.count,
>                           &trans_func);
> +      new_info.mode = mode;
>        src = ib->user_buffer;
>        if (!src) {
>           src = pipe_buffer_map(pc->pipe, ib->buffer,
>                                 PIPE_TRANSFER_READ, &src_transfer);
>        }
>        src = (const uint8_t *)src + ib->offset;
>     }
>     else {
> +      enum pipe_prim_type mode = 0;
> +
>        u_index_generator(pc->primtypes_mask,
>                          info->mode, info->start, info->count,
>                          pc->api_pv, pc->api_pv,
> -                        &new_info.mode, &new_ib.index_size, &new_info.count,
> +                        &mode, &new_ib.index_size, &new_info.count,
>                          &gen_func);
> +      new_info.mode = mode;
>     }
>
>     u_upload_alloc(pc->pipe->stream_uploader, 0, new_ib.index_size * new_info.count, 4,
>                    &new_ib.offset, &new_ib.buffer, &dst);
>
>     if (info->indexed) {
>        trans_func(src, info->start, info->count, new_info.count, info->restart_index, dst);
>     }
>     else {
>        gen_func(info->start, new_info.count, dst);
> diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
> index d68a4d4..eeabf8b 100644
> --- a/src/gallium/include/pipe/p_state.h
> +++ b/src/gallium/include/pipe/p_state.h
> @@ -634,21 +634,21 @@ struct pipe_index_buffer
>     const void *user_buffer;  /**< pointer to a user buffer if buffer == NULL */
>  };
>
>
>  /**
>   * Information to describe a draw_vbo call.
>   */
>  struct pipe_draw_info
>  {
>     boolean indexed;  /**< use index buffer */
> -   enum pipe_prim_type mode;  /**< the mode of the primitive */
> +   enum pipe_prim_type mode:8;  /**< the mode of the primitive */
>     boolean primitive_restart;
>     ubyte vertices_per_patch; /**< the number of vertices per patch */
>
>     unsigned start;  /**< the index of the first vertex */
>     unsigned count;  /**< number of vertices */
>
>     unsigned start_instance; /**< first instance id */
>     unsigned instance_count; /**< number of instances */
>
>     unsigned drawid; /**< id of this draw in a multidraw */
>


-- 
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Aber vergiss niemals, wie sie sein sollte.


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