[Mesa-dev] [PATCH 01/10] gallium: cleanup set_tess_state

Ilia Mirkin imirkin at alum.mit.edu
Tue Jun 14 16:02:36 UTC 2016


Can you explain the motivation behind this change? I'm adding a
->set_window_rectangles thing which also takes multiple parameters.
What's the advantage of stuffing things into a struct first?

  -ilia

On Tue, Jun 14, 2016 at 11:57 AM, Rob Clark <robdclark at gmail.com> wrote:
> From: Rob Clark <robclark at freedesktop.org>
>
> The reset of the state APIs take state structs, rather than inline
> parameters (with the exception of a couple which just amount to a single
> uint).
>
> This makes the API more regular and simplifies autogeneration of the
> gallium state related APIs.
>
> Signed-off-by: Rob Clark <robclark at freedesktop.org>
> ---
>  src/gallium/drivers/ddebug/dd_context.c       |  9 ++++-----
>  src/gallium/drivers/nouveau/nvc0/nvc0_state.c |  7 +++----
>  src/gallium/drivers/r600/evergreen_state.c    |  7 +++----
>  src/gallium/drivers/radeonsi/si_state.c       |  7 +++----
>  src/gallium/drivers/trace/tr_context.c        |  9 ++++-----
>  src/gallium/include/pipe/p_context.h          |  4 ++--
>  src/gallium/include/pipe/p_state.h            |  8 ++++++++
>  src/mesa/state_tracker/st_atom_tess.c         | 13 ++++++++++---
>  8 files changed, 37 insertions(+), 27 deletions(-)
>
> diff --git a/src/gallium/drivers/ddebug/dd_context.c b/src/gallium/drivers/ddebug/dd_context.c
> index 0f8ef18..06b7c91 100644
> --- a/src/gallium/drivers/ddebug/dd_context.c
> +++ b/src/gallium/drivers/ddebug/dd_context.c
> @@ -380,15 +380,14 @@ dd_context_set_viewport_states(struct pipe_context *_pipe,
>  }
>
>  static void dd_context_set_tess_state(struct pipe_context *_pipe,
> -                                      const float default_outer_level[4],
> -                                      const float default_inner_level[2])
> +                                      const struct pipe_tess_state *state)
>  {
>     struct dd_context *dctx = dd_context(_pipe);
>     struct pipe_context *pipe = dctx->pipe;
>
> -   memcpy(dctx->tess_default_levels, default_outer_level, sizeof(float) * 4);
> -   memcpy(dctx->tess_default_levels+4, default_inner_level, sizeof(float) * 2);
> -   pipe->set_tess_state(pipe, default_outer_level, default_inner_level);
> +   memcpy(dctx->tess_default_levels, state->default_outer_level, sizeof(float) * 4);
> +   memcpy(dctx->tess_default_levels+4, state->default_inner_level, sizeof(float) * 2);
> +   pipe->set_tess_state(pipe, state);
>  }
>
>
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
> index 92161ec..a9c1830 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
> @@ -1001,13 +1001,12 @@ nvc0_set_viewport_states(struct pipe_context *pipe,
>
>  static void
>  nvc0_set_tess_state(struct pipe_context *pipe,
> -                    const float default_tess_outer[4],
> -                    const float default_tess_inner[2])
> +                    const struct pipe_tess_state *state)
>  {
>     struct nvc0_context *nvc0 = nvc0_context(pipe);
>
> -   memcpy(nvc0->default_tess_outer, default_tess_outer, 4 * sizeof(float));
> -   memcpy(nvc0->default_tess_inner, default_tess_inner, 2 * sizeof(float));
> +   memcpy(nvc0->default_tess_outer, state->default_tess_outer, 4 * sizeof(float));
> +   memcpy(nvc0->default_tess_inner, state->default_tess_inner, 2 * sizeof(float));
>     nvc0->dirty_3d |= NVC0_NEW_3D_TESSFACTOR;
>  }
>
> diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
> index 1ac8914..2a424f5 100644
> --- a/src/gallium/drivers/r600/evergreen_state.c
> +++ b/src/gallium/drivers/r600/evergreen_state.c
> @@ -3569,13 +3569,12 @@ fallback:
>  }
>
>  static void evergreen_set_tess_state(struct pipe_context *ctx,
> -                                    const float default_outer_level[4],
> -                                    const float default_inner_level[2])
> +                                    const struct pipe_tess_state *state)
>  {
>         struct r600_context *rctx = (struct r600_context *)ctx;
>
> -       memcpy(rctx->tess_state, default_outer_level, sizeof(float) * 4);
> -       memcpy(rctx->tess_state+4, default_inner_level, sizeof(float) * 2);
> +       memcpy(rctx->tess_state, state->default_outer_level, sizeof(float) * 4);
> +       memcpy(rctx->tess_state+4, state->default_inner_level, sizeof(float) * 2);
>         rctx->tess_state_dirty = true;
>  }
>
> diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
> index 0c52eee..6ef3fe5 100644
> --- a/src/gallium/drivers/radeonsi/si_state.c
> +++ b/src/gallium/drivers/radeonsi/si_state.c
> @@ -3238,15 +3238,14 @@ static void si_set_index_buffer(struct pipe_context *ctx,
>   */
>
>  static void si_set_tess_state(struct pipe_context *ctx,
> -                             const float default_outer_level[4],
> -                             const float default_inner_level[2])
> +                             const struct pipe_tess_state *state)
>  {
>         struct si_context *sctx = (struct si_context *)ctx;
>         struct pipe_constant_buffer cb;
>         float array[8];
>
> -       memcpy(array, default_outer_level, sizeof(float) * 4);
> -       memcpy(array+4, default_inner_level, sizeof(float) * 2);
> +       memcpy(array, state->default_outer_level, sizeof(float) * 4);
> +       memcpy(array+4, state->default_inner_level, sizeof(float) * 2);
>
>         cb.buffer = NULL;
>         cb.user_buffer = NULL;
> diff --git a/src/gallium/drivers/trace/tr_context.c b/src/gallium/drivers/trace/tr_context.c
> index 18c5c43..0dd07e9 100644
> --- a/src/gallium/drivers/trace/tr_context.c
> +++ b/src/gallium/drivers/trace/tr_context.c
> @@ -1652,19 +1652,18 @@ trace_context_memory_barrier(struct pipe_context *_context,
>
>  static void
>  trace_context_set_tess_state(struct pipe_context *_context,
> -                             const float default_outer_level[4],
> -                             const float default_inner_level[2])
> +                             const struct pipe_tess_state *state)
>  {
>     struct trace_context *tr_context = trace_context(_context);
>     struct pipe_context *context = tr_context->pipe;
>
>     trace_dump_call_begin("pipe_context", "set_tess_state");
>     trace_dump_arg(ptr, context);
> -   trace_dump_arg_array(float, default_outer_level, 4);
> -   trace_dump_arg_array(float, default_inner_level, 2);
> +   trace_dump_arg_array(float, state->default_outer_level, 4);
> +   trace_dump_arg_array(float, state->default_inner_level, 2);
>     trace_dump_call_end();
>
> -   context->set_tess_state(context, default_outer_level, default_inner_level);
> +   context->set_tess_state(context, state);
>  }
>
>
> diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
> index 9d7a8eb..9eb4a87 100644
> --- a/src/gallium/include/pipe/p_context.h
> +++ b/src/gallium/include/pipe/p_context.h
> @@ -60,6 +60,7 @@ struct pipe_resolve_info;
>  struct pipe_resource;
>  struct pipe_sampler_state;
>  struct pipe_sampler_view;
> +struct pipe_tess_state;
>  struct pipe_scissor_state;
>  struct pipe_shader_buffer;
>  struct pipe_shader_state;
> @@ -284,8 +285,7 @@ struct pipe_context {
>                               struct pipe_sampler_view **);
>
>     void (*set_tess_state)(struct pipe_context *,
> -                          const float default_outer_level[4],
> -                          const float default_inner_level[2]);
> +                          const struct pipe_tess_state *);
>
>     /**
>      * Sets the debug callback. If the pointer is null, then no callback is
> diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
> index 396f563..f2ebc53 100644
> --- a/src/gallium/include/pipe/p_state.h
> +++ b/src/gallium/include/pipe/p_state.h
> @@ -453,6 +453,14 @@ struct pipe_image_view
>     } u;
>  };
>
> +/**
> + * Tessellation state.
> + */
> +struct pipe_tess_state
> +{
> +   float default_outer_level[4];
> +   float default_inner_level[2];
> +};
>
>  /**
>   * Subregion of 1D/2D/3D image resource.
> diff --git a/src/mesa/state_tracker/st_atom_tess.c b/src/mesa/state_tracker/st_atom_tess.c
> index 8e6287a..61aa92f 100644
> --- a/src/mesa/state_tracker/st_atom_tess.c
> +++ b/src/mesa/state_tracker/st_atom_tess.c
> @@ -34,6 +34,7 @@
>  #include "main/macros.h"
>  #include "st_context.h"
>  #include "pipe/p_context.h"
> +#include "pipe/p_state.h"
>  #include "st_atom.h"
>
>
> @@ -42,13 +43,19 @@ update_tess(struct st_context *st)
>  {
>     const struct gl_context *ctx = st->ctx;
>     struct pipe_context *pipe = st->pipe;
> +   struct pipe_tess_state state;
>
>     if (!pipe->set_tess_state)
>        return;
>
> -   pipe->set_tess_state(pipe,
> -                        ctx->TessCtrlProgram.patch_default_outer_level,
> -                        ctx->TessCtrlProgram.patch_default_inner_level);
> +   memcpy(state.default_outer_level,
> +          ctx->TessCtrlProgram.patch_default_outer_level,
> +          sizeof(state.default_outer_level));
> +   memcpy(state.default_inner_level,
> +          ctx->TessCtrlProgram.patch_default_inner_level,
> +          sizeof(state.default_inner_level));
> +
> +   pipe->set_tess_state(pipe, &state);
>  }
>
>
> --
> 2.5.5
>


More information about the mesa-dev mailing list