[Mesa-dev] [PATCH 06/23] gallium/u_blitter: facilitate co-existence with the Draw module

Stéphane Marchesin stephane.marchesin at gmail.com
Mon Oct 8 13:05:16 PDT 2012


I'd like to cherry-pick this into 9.0, any objections?

Stéphane


On Fri, Sep 14, 2012 at 10:09 AM, Marek Olšák <maraeo at gmail.com> wrote:
> ---
>  src/gallium/auxiliary/util/u_blitter.c |  168 +++++++++++++++++++++-----------
>  src/gallium/auxiliary/util/u_blitter.h |    2 +
>  2 files changed, 111 insertions(+), 59 deletions(-)
>
> diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
> index b94366b..3f0d1b1 100644
> --- a/src/gallium/auxiliary/util/u_blitter.c
> +++ b/src/gallium/auxiliary/util/u_blitter.c
> @@ -122,8 +122,12 @@ struct blitter_context_priv
>     boolean has_stream_out;
>     boolean has_stencil_export;
>     boolean has_texture_multisample;
> -};
>
> +   /* The Draw module overrides these functions.
> +    * Always create the blitter before Draw. */
> +   void   (*bind_fs_state)(struct pipe_context *, void *);
> +   void   (*delete_fs_state)(struct pipe_context *, void *);
> +};
>
>  struct blitter_context *util_blitter_create(struct pipe_context *pipe)
>  {
> @@ -142,6 +146,9 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
>     ctx->base.pipe = pipe;
>     ctx->base.draw_rectangle = util_blitter_draw_rectangle;
>
> +   ctx->bind_fs_state = pipe->bind_fs_state;
> +   ctx->delete_fs_state = pipe->delete_fs_state;
> +
>     /* init state objects for them to be considered invalid */
>     ctx->base.saved_blend_state = INVALID_PTR;
>     ctx->base.saved_dsa_state = INVALID_PTR;
> @@ -321,20 +328,20 @@ void util_blitter_destroy(struct blitter_context *blitter)
>
>     for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) {
>        if (ctx->fs_texfetch_col[i])
> -         pipe->delete_fs_state(pipe, ctx->fs_texfetch_col[i]);
> +         ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[i]);
>        if (ctx->fs_texfetch_depth[i])
> -         pipe->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]);
> +         ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]);
>        if (ctx->fs_texfetch_depthstencil[i])
> -         pipe->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]);
> +         ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]);
>        if (ctx->fs_texfetch_stencil[i])
> -         pipe->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]);
> +         ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]);
>     }
>
>     for (i = 0; i <= PIPE_MAX_COLOR_BUFS; i++) {
>        if (ctx->fs_col[i])
> -         pipe->delete_fs_state(pipe, ctx->fs_col[i]);
> +         ctx->delete_fs_state(pipe, ctx->fs_col[i]);
>        if (ctx->fs_col_int[i])
> -         pipe->delete_fs_state(pipe, ctx->fs_col_int[i]);
> +         ctx->delete_fs_state(pipe, ctx->fs_col_int[i]);
>     }
>
>     pipe->delete_sampler_state(pipe, ctx->sampler_state);
> @@ -431,7 +438,7 @@ static void blitter_restore_fragment_states(struct blitter_context_priv *ctx)
>     struct pipe_context *pipe = ctx->base.pipe;
>
>     /* Fragment shader. */
> -   pipe->bind_fs_state(pipe, ctx->base.saved_fs);
> +   ctx->bind_fs_state(pipe, ctx->base.saved_fs);
>     ctx->base.saved_fs = INVALID_PTR;
>
>     /* Depth, stencil, alpha. */
> @@ -657,9 +664,8 @@ static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx,
>     ctx->dst_height = height;
>  }
>
> -static INLINE
> -void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs,
> -                         boolean int_format)
> +static void *blitter_get_fs_col(struct blitter_context_priv *ctx,
> +                                unsigned num_cbufs, boolean int_format)
>  {
>     struct pipe_context *pipe = ctx->base.pipe;
>
> @@ -682,32 +688,32 @@ void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs,
>     }
>  }
>
> -static INLINE
> -void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
> -                                  struct pipe_resource *tex)
> +static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
> +                                         enum pipe_texture_target target,
> +                                         unsigned nr_samples)
>  {
>     struct pipe_context *pipe = ctx->base.pipe;
>
> -   assert(tex->target < PIPE_MAX_TEXTURE_TYPES);
> +   assert(target < PIPE_MAX_TEXTURE_TYPES);
>
> -   if (tex->nr_samples > 1) {
> -      void **shader = &ctx->fs_texfetch_col_msaa[tex->target];
> +   if (nr_samples > 1) {
> +      void **shader = &ctx->fs_texfetch_col_msaa[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target,
> -                                                       tex->nr_samples);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
> +                                                       nr_samples);
>
>           *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex);
>        }
>
>        return *shader;
>     } else {
> -      void **shader = &ctx->fs_texfetch_col[tex->target];
> +      void **shader = &ctx->fs_texfetch_col[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
>
>           *shader =
>              util_make_fragment_tex_shader(pipe, tgsi_tex,
> @@ -720,19 +726,20 @@ void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
>
>  static INLINE
>  void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx,
> -                                    struct pipe_resource *tex)
> +                                    enum pipe_texture_target target,
> +                                    unsigned nr_samples)
>  {
>     struct pipe_context *pipe = ctx->base.pipe;
>
> -   assert(tex->target < PIPE_MAX_TEXTURE_TYPES);
> +   assert(target < PIPE_MAX_TEXTURE_TYPES);
>
> -   if (tex->nr_samples > 1) {
> -      void **shader = &ctx->fs_texfetch_depth_msaa[tex->target];
> +   if (nr_samples > 1) {
> +      void **shader = &ctx->fs_texfetch_depth_msaa[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target,
> -                                                       tex->nr_samples);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
> +                                                       nr_samples);
>
>           *shader =
>              util_make_fs_blit_msaa_depth(pipe, tgsi_tex);
> @@ -740,11 +747,11 @@ void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx,
>
>        return *shader;
>     } else {
> -      void **shader = &ctx->fs_texfetch_depth[tex->target];
> +      void **shader = &ctx->fs_texfetch_depth[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
>
>           *shader =
>              util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex,
> @@ -757,19 +764,20 @@ void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx,
>
>  static INLINE
>  void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx,
> -                                           struct pipe_resource *tex)
> +                                           enum pipe_texture_target target,
> +                                           unsigned nr_samples)
>  {
>     struct pipe_context *pipe = ctx->base.pipe;
>
> -   assert(tex->target < PIPE_MAX_TEXTURE_TYPES);
> +   assert(target < PIPE_MAX_TEXTURE_TYPES);
>
> -   if (tex->nr_samples > 1) {
> -      void **shader = &ctx->fs_texfetch_depthstencil_msaa[tex->target];
> +   if (nr_samples > 1) {
> +      void **shader = &ctx->fs_texfetch_depthstencil_msaa[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target,
> -                                                       tex->nr_samples);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
> +                                                       nr_samples);
>
>           *shader =
>              util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex);
> @@ -777,11 +785,11 @@ void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx,
>
>        return *shader;
>     } else {
> -      void **shader = &ctx->fs_texfetch_depthstencil[tex->target];
> +      void **shader = &ctx->fs_texfetch_depthstencil[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
>
>           *shader =
>              util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex,
> @@ -794,19 +802,20 @@ void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx,
>
>  static INLINE
>  void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx,
> -                                      struct pipe_resource *tex)
> +                                      enum pipe_texture_target target,
> +                                      unsigned nr_samples)
>  {
>     struct pipe_context *pipe = ctx->base.pipe;
>
> -   assert(tex->target < PIPE_MAX_TEXTURE_TYPES);
> +   assert(target < PIPE_MAX_TEXTURE_TYPES);
>
> -   if (tex->nr_samples > 1) {
> -      void **shader = &ctx->fs_texfetch_stencil_msaa[tex->target];
> +   if (nr_samples > 1) {
> +      void **shader = &ctx->fs_texfetch_stencil_msaa[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target,
> -                                                       tex->nr_samples);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
> +                                                       nr_samples);
>
>           *shader =
>              util_make_fs_blit_msaa_stencil(pipe, tgsi_tex);
> @@ -814,11 +823,11 @@ void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx,
>
>        return *shader;
>     } else {
> -      void **shader = &ctx->fs_texfetch_stencil[tex->target];
> +      void **shader = &ctx->fs_texfetch_stencil[target];
>
>        /* Create the fragment shader on-demand. */
>        if (!*shader) {
> -         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0);
> +         unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
>
>           *shader =
>              util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex,
> @@ -829,6 +838,43 @@ void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx,
>     }
>  }
>
> +void util_blitter_cache_all_shaders(struct blitter_context *blitter)
> +{
> +   struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
> +   struct pipe_screen *screen = blitter->pipe->screen;
> +   unsigned num_cbufs, i, target, max_samples;
> +   boolean has_arraytex;
> +
> +   num_cbufs = MAX2(screen->get_param(screen,
> +                                      PIPE_CAP_MAX_RENDER_TARGETS), 1);
> +   max_samples = ctx->has_texture_multisample ? 2 : 1;
> +   has_arraytex = screen->get_param(screen,
> +                                    PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0;
> +
> +   for (i = 0; i < num_cbufs; i++) {
> +      blitter_get_fs_col(ctx, i, FALSE);
> +      blitter_get_fs_col(ctx, i, TRUE);
> +   }
> +
> +   /* It only matters if i <= 1 or > 1. */
> +   for (i = 1; i <= max_samples; i++) {
> +      for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) {
> +         if (!has_arraytex &&
> +             (target == PIPE_TEXTURE_1D_ARRAY ||
> +              target == PIPE_TEXTURE_2D_ARRAY)) {
> +            continue;
> +         }
> +
> +         blitter_get_fs_texfetch_col(ctx, target, i);
> +         blitter_get_fs_texfetch_depth(ctx, target, i);
> +         if (ctx->has_stencil_export) {
> +            blitter_get_fs_texfetch_depthstencil(ctx, target, i);
> +            blitter_get_fs_texfetch_stencil(ctx, target, i);
> +         }
> +      }
> +   }
> +}
> +
>  static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx)
>  {
>     struct pipe_context *pipe = ctx->base.pipe;
> @@ -933,7 +979,7 @@ static void util_blitter_clear_custom(struct blitter_context *blitter,
>     } else {
>        pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
>     }
> -   pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, num_cbufs, int_format));
> +   ctx->bind_fs_state(pipe, blitter_get_fs_col(ctx, num_cbufs, int_format));
>     pipe->set_sample_mask(pipe, ~0);
>
>     blitter_set_common_draw_rect_state(ctx);
> @@ -1177,18 +1223,21 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
>        if (blit_depth && blit_stencil) {
>           pipe->bind_depth_stencil_alpha_state(pipe,
>                                                ctx->dsa_write_depth_stencil);
> -         pipe->bind_fs_state(pipe,
> -               blitter_get_fs_texfetch_depthstencil(ctx, src->texture));
> +         ctx->bind_fs_state(pipe,
> +               blitter_get_fs_texfetch_depthstencil(ctx, src->texture->target,
> +                                                    src->texture->nr_samples));
>        } else if (blit_depth) {
>           pipe->bind_depth_stencil_alpha_state(pipe,
>                                                ctx->dsa_write_depth_keep_stencil);
> -         pipe->bind_fs_state(pipe,
> -               blitter_get_fs_texfetch_depth(ctx, src->texture));
> +         ctx->bind_fs_state(pipe,
> +               blitter_get_fs_texfetch_depth(ctx, src->texture->target,
> +                                             src->texture->nr_samples));
>        } else { /* is_stencil */
>           pipe->bind_depth_stencil_alpha_state(pipe,
>                                                ctx->dsa_keep_depth_write_stencil);
> -         pipe->bind_fs_state(pipe,
> -               blitter_get_fs_texfetch_stencil(ctx, src->texture));
> +         ctx->bind_fs_state(pipe,
> +               blitter_get_fs_texfetch_stencil(ctx, src->texture->target,
> +                                               src->texture->nr_samples));
>        }
>
>        fb_state.nr_cbufs = 0;
> @@ -1196,8 +1245,9 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
>     } else {
>        pipe->bind_blend_state(pipe, ctx->blend_write_color);
>        pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
> -      pipe->bind_fs_state(pipe,
> -            blitter_get_fs_texfetch_col(ctx, src->texture));
> +      ctx->bind_fs_state(pipe,
> +            blitter_get_fs_texfetch_col(ctx, src->texture->target,
> +                                        src->texture->nr_samples));
>
>        fb_state.nr_cbufs = 1;
>        fb_state.cbufs[0] = dst;
> @@ -1306,7 +1356,7 @@ void util_blitter_clear_render_target(struct blitter_context *blitter,
>     /* bind states */
>     pipe->bind_blend_state(pipe, ctx->blend_write_color);
>     pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
> -   pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE));
> +   ctx->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE));
>     pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
>
>     /* set a framebuffer state */
> @@ -1372,7 +1422,7 @@ void util_blitter_clear_depth_stencil(struct blitter_context *blitter,
>        /* hmm that should be illegal probably, or make it a no-op somewhere */
>        pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
>
> -   pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE));
> +   ctx->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE));
>     pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
>
>     /* set a framebuffer state */
> @@ -1419,7 +1469,7 @@ void util_blitter_custom_depth_stencil(struct blitter_context *blitter,
>     /* bind states */
>     pipe->bind_blend_state(pipe, ctx->blend_write_color);
>     pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage);
> -   pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE));
> +   ctx->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE));
>     pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
>
>     /* set a framebuffer state */
> @@ -1531,7 +1581,7 @@ void util_blitter_custom_resolve_color(struct blitter_context *blitter,
>     pipe->bind_blend_state(pipe, custom_blend);
>     pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
>     pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
> -   pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE));
> +   ctx->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE));
>     pipe->set_sample_mask(pipe, sample_mask);
>
>     memset(&surf_tmpl, 0, sizeof(surf_tmpl));
> @@ -1592,7 +1642,7 @@ void util_blitter_custom_color(struct blitter_context *blitter,
>     /* bind states */
>     pipe->bind_blend_state(pipe, custom_blend);
>     pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
> -   pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE));
> +   ctx->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE));
>     pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
>     pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1);
>
> diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h
> index 6804073..d458f69 100644
> --- a/src/gallium/auxiliary/util/u_blitter.h
> +++ b/src/gallium/auxiliary/util/u_blitter.h
> @@ -120,6 +120,8 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe);
>   */
>  void util_blitter_destroy(struct blitter_context *blitter);
>
> +void util_blitter_cache_all_shaders(struct blitter_context *blitter);
> +
>  /**
>   * Return the pipe context associated with a blitter context.
>   */
> --
> 1.7.9.5
>
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