[Mesa-dev] [PATCH 08/14] anv/cmd_buffer: Iterate all subpass attachments when clearing

Jason Ekstrand jason at jlekstrand.net
Tue Feb 13 23:03:35 UTC 2018


On Tue, Feb 13, 2018 at 11:29 AM, Nanley Chery <nanleychery at gmail.com>
wrote:

> On Mon, Feb 05, 2018 at 02:34:57PM -0800, Jason Ekstrand wrote:
> > This unifies things a bit because we now handle depth and stencil at the
> > same time.  It also ensures that clears happen for input attachments.
>
> As we discussed in another patch, clears are always guaranteed to happen
> for input attachments on LOAD_OP_CLEAR, so we can get rid of that last
> sentence.


Done.


> With that change, this patch is
> Reviewed-by: Nanley Chery <nanley.g.chery at intel.com>
>
> > ---
> >  src/intel/vulkan/genX_cmd_buffer.c | 77 ++++++++++++++++--------------
> --------
> >  1 file changed, 32 insertions(+), 45 deletions(-)
> >
> > diff --git a/src/intel/vulkan/genX_cmd_buffer.c
> b/src/intel/vulkan/genX_cmd_buffer.c
> > index ab79fbf..608f5ee 100644
> > --- a/src/intel/vulkan/genX_cmd_buffer.c
> > +++ b/src/intel/vulkan/genX_cmd_buffer.c
> > @@ -3524,66 +3524,51 @@ cmd_buffer_begin_subpass(struct anv_cmd_buffer
> *cmd_buffer,
> >
> >     VkRect2D render_area = cmd_buffer->state.render_area;
> >     struct anv_framebuffer *fb = cmd_buffer->state.framebuffer;
> > -   for (uint32_t i = 0; i < subpass->color_count; ++i) {
> > -      const uint32_t a = subpass->color_attachments[i].attachment;
> > +
> > +   for (uint32_t i = 0; i < subpass->attachment_count; ++i) {
> > +      const uint32_t a = subpass->attachments[i].attachment;
> >        if (a == VK_ATTACHMENT_UNUSED)
> >           continue;
> >
> >        assert(a < cmd_state->pass->attachment_count);
> >        struct anv_attachment_state *att_state =
> &cmd_state->attachments[a];
> >
> > -      if (!att_state->pending_clear_aspects)
> > -         continue;
> > -
> > -      assert(att_state->pending_clear_aspects ==
> VK_IMAGE_ASPECT_COLOR_BIT);
> > -
> >        struct anv_image_view *iview = fb->attachments[a];
> >        const struct anv_image *image = iview->image;
> >
> > -      /* Multi-planar images are not supported as attachments */
> > -      assert(image->aspects == VK_IMAGE_ASPECT_COLOR_BIT);
> > -      assert(image->n_planes == 1);
> > -
> > -      uint32_t base_layer = iview->planes[0].isl.base_array_layer;
> > -      uint32_t layer_count = fb->layers;
> > +      if (att_state->pending_clear_aspects &
> VK_IMAGE_ASPECT_COLOR_BIT) {
> > +         assert(att_state->pending_clear_aspects ==
> VK_IMAGE_ASPECT_COLOR_BIT);
> >
> > -      if (att_state->fast_clear) {
> > -         /* We only support fast-clears on the first layer */
> > -         assert(iview->planes[0].isl.base_level == 0);
> > -         assert(iview->planes[0].isl.base_array_layer == 0);
> > -
> > -         anv_image_ccs_op(cmd_buffer, image, VK_IMAGE_ASPECT_COLOR_BIT,
> > -                          0, 0, 1, ISL_AUX_OP_FAST_CLEAR, false);
> > -         base_layer++;
> > -         layer_count--;
> > -      }
> > -
> > -      if (layer_count > 0) {
> > +         /* Multi-planar images are not supported as attachments */
> > +         assert(image->aspects == VK_IMAGE_ASPECT_COLOR_BIT);
> >           assert(image->n_planes == 1);
> > -         anv_image_clear_color(cmd_buffer, image,
> VK_IMAGE_ASPECT_COLOR_BIT,
> > -                               att_state->aux_usage,
> > -                               iview->planes[0].isl.format,
> > -                               iview->planes[0].isl.swizzle,
> > -                               iview->planes[0].isl.base_level,
> > -                               base_layer, layer_count, render_area,
> > -                               vk_to_isl_color(att_state->
> clear_value.color));
> > -      }
> > -
> > -      att_state->pending_clear_aspects = 0;
> > -   }
> >
> > -   if (subpass->depth_stencil_attachment.attachment !=
> VK_ATTACHMENT_UNUSED) {
> > -      const uint32_t a = subpass->depth_stencil_attachment.attachment;
> > +         uint32_t base_layer = iview->planes[0].isl.base_array_layer;
> > +         uint32_t layer_count = fb->layers;
> >
> > -      assert(a < cmd_state->pass->attachment_count);
> > -      struct anv_attachment_state *att_state =
> &cmd_state->attachments[a];
> > -      struct anv_image_view *iview = fb->attachments[a];
> > -      const struct anv_image *image = iview->image;
> > +         if (att_state->fast_clear) {
> > +            /* We only support fast-clears on the first layer */
> > +            assert(iview->planes[0].isl.base_level == 0);
> > +            assert(iview->planes[0].isl.base_array_layer == 0);
> >
> > -      assert(image->aspects & (VK_IMAGE_ASPECT_DEPTH_BIT |
> > -                               VK_IMAGE_ASPECT_STENCIL_BIT));
> > +            anv_image_ccs_op(cmd_buffer, image,
> VK_IMAGE_ASPECT_COLOR_BIT,
> > +                             0, 0, 1, ISL_AUX_OP_FAST_CLEAR, false);
> > +            base_layer++;
> > +            layer_count--;
> > +         }
> >
> > -      if (att_state->pending_clear_aspects) {
> > +         if (layer_count > 0) {
> > +            assert(image->n_planes == 1);
> > +            anv_image_clear_color(cmd_buffer, image,
> VK_IMAGE_ASPECT_COLOR_BIT,
> > +                                  att_state->aux_usage,
> > +                                  iview->planes[0].isl.format,
> > +                                  iview->planes[0].isl.swizzle,
> > +                                  iview->planes[0].isl.base_level,
> > +                                  base_layer, layer_count, render_area,
> > +                                  vk_to_isl_color(att_state->
> clear_value.color));
> > +         }
> > +      } else if (att_state->pending_clear_aspects &
> (VK_IMAGE_ASPECT_DEPTH_BIT |
> > +
>  VK_IMAGE_ASPECT_STENCIL_BIT)) {
> >           if (att_state->fast_clear) {
> >              /* We currently only support HiZ for single-layer images */
> >              assert(iview->planes[0].isl.base_level == 0);
> > @@ -3606,6 +3591,8 @@ cmd_buffer_begin_subpass(struct anv_cmd_buffer
> *cmd_buffer,
> >                                            att_state->clear_value.
> depthStencil.depth,
> >                                            att_state->clear_value.
> depthStencil.stencil);
> >           }
> > +      } else  {
> > +         assert(att_state->pending_clear_aspects == 0);
> >        }
> >
> >        att_state->pending_clear_aspects = 0;
> > --
> > 2.5.0.400.gff86faf
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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