[Mesa-dev] [PATCH 3/7] i965: Create multiple miptrees planar YUV images

Pohjolainen, Topi topi.pohjolainen at intel.com
Mon May 9 05:36:43 UTC 2016


On Thu, May 05, 2016 at 05:04:02PM -0700, Kristian H?gsberg wrote:
> From: Kristian Høgsberg Kristensen <kristian.h.kristensen at intel.com>
> 
> ---
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.c |  3 ++
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  5 ++
>  src/mesa/drivers/dri/i965/intel_tex_image.c   | 73 ++++++++++++++++++++++-----
>  src/mesa/drivers/dri/i965/intel_tex_obj.h     |  2 +
>  4 files changed, 71 insertions(+), 12 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> index 26c297d..e3e2a8f 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> @@ -990,6 +990,9 @@ intel_miptree_release(struct intel_mipmap_tree **mt)
>        intel_miptree_release(&(*mt)->mcs_mt);
>        intel_resolve_map_clear(&(*mt)->hiz_map);
>  
> +      intel_miptree_release(&(*mt)->plane[0]);
> +      intel_miptree_release(&(*mt)->plane[1]);
> +
>        for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
>  	 free((*mt)->level[i].slice);
>        }
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> index 7862152..9ab4b23 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> @@ -625,6 +625,11 @@ struct intel_mipmap_tree
>     struct intel_mipmap_tree *mcs_mt;
>  
>     /**
> +    * Planes 1 and 2 in case this is a planar surface.
> +    */
> +   struct intel_mipmap_tree *plane[2];
> +
> +   /**
>      * Fast clear state for this buffer.
>      */
>     enum intel_fast_clear_state fast_clear_state;
> diff --git a/src/mesa/drivers/dri/i965/intel_tex_image.c b/src/mesa/drivers/dri/i965/intel_tex_image.c
> index bee8be1..ad7ee97 100644
> --- a/src/mesa/drivers/dri/i965/intel_tex_image.c
> +++ b/src/mesa/drivers/dri/i965/intel_tex_image.c
> @@ -332,18 +332,67 @@ intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
>        return;
>     }
>  
> -   /* Disable creation of the texture's aux buffers because the driver exposes
> -    * no EGL API to manage them. That is, there is no API for resolving the aux
> -    * buffer's content to the main buffer nor for invalidating the aux buffer's
> -    * content.
> -    */
> -   intel_set_texture_image_bo(ctx, texImage, image->bo,
> -                              target, image->internal_format,
> -                              image->format, image->offset,
> -                              image->width,  image->height,
> -                              image->pitch,
> -                              image->tile_x, image->tile_y,
> -                              MIPTREE_LAYOUT_DISABLE_AUX);
> +   struct intel_texture_image *intel_image = intel_texture_image(texImage);
> +   struct gl_texture_object *texobj = texImage->TexObject;
> +   struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
> +   struct intel_image_format *f = image->planar_format;
> +   struct intel_mipmap_tree *planar_mt;
> +
> +   for (int i = 0; i < f->nplanes; i++) {
> +      int index = f->planes[i].buffer_index;

All the others are marked 'const', this is fixed also, isn't it?

> +      const uint32_t dri_format = f->planes[i].dri_format;
> +      const mesa_format format = driImageFormatToGLFormat(dri_format);
> +      const uint32_t width = image->width >> f->planes[i].width_shift;
> +      const uint32_t height = image->height >> f->planes[i].height_shift;
> +
> +      /* Disable creation of the texture's aux buffers because the driver
> +       * exposes no EGL API to manage them. That is, there is no API for
> +       * resolving the aux buffer's content to the main buffer nor for
> +       * invalidating the aux buffer's content.
> +       */
> +      struct intel_mipmap_tree *mt =
> +         intel_miptree_create_for_bo(brw, image->bo, format,
> +                                     image->offsets[index],
> +                                     width, height, 1,
> +                                     image->strides[index],
> +                                     MIPTREE_LAYOUT_DISABLE_AUX);
> +      if (mt == NULL)
> +         return NULL;
> +
> +      mt->target = target;
> +      mt->total_width = width;
> +      mt->total_height = height;
> +      mt->level[0].slice[0].x_offset = 0;
> +      mt->level[0].slice[0].y_offset = 0;
> +
> +      if (i == 0)
> +         planar_mt = mt;
> +      else
> +         planar_mt->plane[i - 1] = mt;
> +   }
> +
> +   intel_texobj->dri_image = image;
> +
> +   const uint32_t internal_format = _mesa_get_format_base_format(planar_mt->format);
> +   _mesa_init_teximage_fields(&brw->ctx, texImage,
> +			      image->width, image->height, 1,
> +			      0, internal_format, planar_mt->format);
> +
> +   ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
> +
> +   intel_miptree_reference(&intel_image->mt, planar_mt);
> +
> +   assert(planar_mt->pitch % planar_mt->cpp == 0);
> +   intel_image->base.RowStride = planar_mt->pitch / planar_mt->cpp;
> +
> +   /* The miptree is in a validated state, so no need to check later. */
> +   intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
> +   intel_texobj->validated_first_level = 0;
> +   intel_texobj->validated_last_level = 0;
> +   intel_texobj->_Format = planar_mt->format;
> +   intel_texobj->needs_validate = true;

Comment a few lines before says otherwise?

> +
> +   intel_miptree_reference(&planar_mt, NULL);
>  }
>  
>  /**
> diff --git a/src/mesa/drivers/dri/i965/intel_tex_obj.h b/src/mesa/drivers/dri/i965/intel_tex_obj.h
> index 750e4c3..ad78570 100644
> --- a/src/mesa/drivers/dri/i965/intel_tex_obj.h
> +++ b/src/mesa/drivers/dri/i965/intel_tex_obj.h
> @@ -58,6 +58,8 @@ struct intel_texture_object
>      * since the mt is shared across views with differing formats.
>      */
>     mesa_format _Format;
> +
> +   struct __DRIimageRec *dri_image;
>  };
>  
>  
> -- 
> 2.5.0
> 
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