[Mesa-dev] [PATCH 04/18] i965: Move intel_region_get_tile_offsets() to be a miptree function.

Kristian Høgsberg krh at bitplanet.net
Tue Apr 29 21:45:08 PDT 2014


On Tue, Apr 29, 2014 at 4:34 PM, Eric Anholt <eric at anholt.net> wrote:
> All the consumers are doing it on a miptree.

Reviewed-by: Kristian Høgsberg <krh at bitplanet.net>

> ---
>  src/mesa/drivers/dri/i965/brw_blorp.cpp       |  3 +--
>  src/mesa/drivers/dri/i965/brw_misc_state.c    | 14 +++++------
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 35 ++++++++++++++++++++++++++-
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  5 ++++
>  src/mesa/drivers/dri/i965/intel_regions.c     | 33 -------------------------
>  src/mesa/drivers/dri/i965/intel_regions.h     |  5 ----
>  6 files changed, 47 insertions(+), 48 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_blorp.cpp b/src/mesa/drivers/dri/i965/brw_blorp.cpp
> index 57ff30a..121fe15 100644
> --- a/src/mesa/drivers/dri/i965/brw_blorp.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_blorp.cpp
> @@ -142,8 +142,7 @@ brw_blorp_surface_info::compute_tile_offsets(uint32_t *tile_x,
>     struct intel_region *region = mt->region;
>     uint32_t mask_x, mask_y;
>
> -   intel_region_get_tile_masks(region, &mask_x, &mask_y,
> -                               map_stencil_as_y_tiled);
> +   intel_miptree_get_tile_masks(mt, &mask_x, &mask_y, map_stencil_as_y_tiled);
>
>     *tile_x = x_offset & mask_x;
>     *tile_y = y_offset & mask_y;
> diff --git a/src/mesa/drivers/dri/i965/brw_misc_state.c b/src/mesa/drivers/dri/i965/brw_misc_state.c
> index c8fb6f3..22d175c 100644
> --- a/src/mesa/drivers/dri/i965/brw_misc_state.c
> +++ b/src/mesa/drivers/dri/i965/brw_misc_state.c
> @@ -179,13 +179,13 @@ brw_get_depthstencil_tile_masks(struct intel_mipmap_tree *depth_mt,
>     uint32_t tile_mask_x = 0, tile_mask_y = 0;
>
>     if (depth_mt) {
> -      intel_region_get_tile_masks(depth_mt->region,
> -                                  &tile_mask_x, &tile_mask_y, false);
> +      intel_miptree_get_tile_masks(depth_mt, &tile_mask_x, &tile_mask_y, false);
>
>        if (intel_miptree_slice_has_hiz(depth_mt, depth_level, depth_layer)) {
>           uint32_t hiz_tile_mask_x, hiz_tile_mask_y;
> -         intel_region_get_tile_masks(depth_mt->hiz_mt->region,
> -                                     &hiz_tile_mask_x, &hiz_tile_mask_y, false);
> +         intel_miptree_get_tile_masks(depth_mt->hiz_mt,
> +                                      &hiz_tile_mask_x, &hiz_tile_mask_y,
> +                                      false);
>
>           /* Each HiZ row represents 2 rows of pixels */
>           hiz_tile_mask_y = hiz_tile_mask_y << 1 | 1;
> @@ -205,9 +205,9 @@ brw_get_depthstencil_tile_masks(struct intel_mipmap_tree *depth_mt,
>           tile_mask_y |= 63;
>        } else {
>           uint32_t stencil_tile_mask_x, stencil_tile_mask_y;
> -         intel_region_get_tile_masks(stencil_mt->region,
> -                                     &stencil_tile_mask_x,
> -                                     &stencil_tile_mask_y, false);
> +         intel_miptree_get_tile_masks(stencil_mt,
> +                                      &stencil_tile_mask_x,
> +                                      &stencil_tile_mask_y, false);
>
>           tile_mask_x |= stencil_tile_mask_x;
>           tile_mask_y |= stencil_tile_mask_y;
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> index c24cfce..2802043 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> @@ -976,6 +976,39 @@ intel_miptree_get_image_offset(const struct intel_mipmap_tree *mt,
>  }
>
>  /**
> + * This function computes masks that may be used to select the bits of the X
> + * and Y coordinates that indicate the offset within a tile.  If the region is
> + * untiled, the masks are set to 0.
> + */
> +void
> +intel_miptree_get_tile_masks(const struct intel_mipmap_tree *mt,
> +                             uint32_t *mask_x, uint32_t *mask_y,
> +                             bool map_stencil_as_y_tiled)
> +{
> +   int cpp = mt->region->cpp;
> +   uint32_t tiling = mt->region->tiling;
> +
> +   if (map_stencil_as_y_tiled)
> +      tiling = I915_TILING_Y;
> +
> +   switch (tiling) {
> +   default:
> +      assert(false);
> +   case I915_TILING_NONE:
> +      *mask_x = *mask_y = 0;
> +      break;
> +   case I915_TILING_X:
> +      *mask_x = 512 / cpp - 1;
> +      *mask_y = 7;
> +      break;
> +   case I915_TILING_Y:
> +      *mask_x = 128 / cpp - 1;
> +      *mask_y = 31;
> +      break;
> +   }
> +}
> +
> +/**
>   * Rendering with tiled buffers requires that the base address of the buffer
>   * be aligned to a page boundary.  For renderbuffers, and sometimes with
>   * textures, we may want the surface to point at a texture image level that
> @@ -995,7 +1028,7 @@ intel_miptree_get_tile_offsets(const struct intel_mipmap_tree *mt,
>     uint32_t x, y;
>     uint32_t mask_x, mask_y;
>
> -   intel_region_get_tile_masks(region, &mask_x, &mask_y, false);
> +   intel_miptree_get_tile_masks(mt, &mask_x, &mask_y, false);
>     intel_miptree_get_image_offset(mt, level, slice, &x, &y);
>
>     *tile_x = x & mask_x;
> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> index 78ccfc6..d09d09b 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
> @@ -536,6 +536,11 @@ void
>  intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
>                                         int *width, int *height, int *depth);
>
> +void
> +intel_miptree_get_tile_masks(const struct intel_mipmap_tree *mt,
> +                             uint32_t *mask_x, uint32_t *mask_y,
> +                             bool map_stencil_as_y_tiled);
> +
>  uint32_t
>  intel_miptree_get_tile_offsets(const struct intel_mipmap_tree *mt,
>                                 GLuint level, GLuint slice,
> diff --git a/src/mesa/drivers/dri/i965/intel_regions.c b/src/mesa/drivers/dri/i965/intel_regions.c
> index d891e09..a8d16cd 100644
> --- a/src/mesa/drivers/dri/i965/intel_regions.c
> +++ b/src/mesa/drivers/dri/i965/intel_regions.c
> @@ -278,39 +278,6 @@ intel_region_release(struct intel_region **region_handle)
>  }
>
>  /**
> - * This function computes masks that may be used to select the bits of the X
> - * and Y coordinates that indicate the offset within a tile.  If the region is
> - * untiled, the masks are set to 0.
> - */
> -void
> -intel_region_get_tile_masks(const struct intel_region *region,
> -                            uint32_t *mask_x, uint32_t *mask_y,
> -                            bool map_stencil_as_y_tiled)
> -{
> -   int cpp = region->cpp;
> -   uint32_t tiling = region->tiling;
> -
> -   if (map_stencil_as_y_tiled)
> -      tiling = I915_TILING_Y;
> -
> -   switch (tiling) {
> -   default:
> -      assert(false);
> -   case I915_TILING_NONE:
> -      *mask_x = *mask_y = 0;
> -      break;
> -   case I915_TILING_X:
> -      *mask_x = 512 / cpp - 1;
> -      *mask_y = 7;
> -      break;
> -   case I915_TILING_Y:
> -      *mask_x = 128 / cpp - 1;
> -      *mask_y = 31;
> -      break;
> -   }
> -}
> -
> -/**
>   * Compute the offset (in bytes) from the start of the region to the given x
>   * and y coordinate.  For tiled regions, caller must ensure that x and y are
>   * multiples of the tile size.
> diff --git a/src/mesa/drivers/dri/i965/intel_regions.h b/src/mesa/drivers/dri/i965/intel_regions.h
> index eb2123e..ff7a5f0 100644
> --- a/src/mesa/drivers/dri/i965/intel_regions.h
> +++ b/src/mesa/drivers/dri/i965/intel_regions.h
> @@ -103,11 +103,6 @@ void intel_region_reference(struct intel_region **dst,
>
>  void intel_region_release(struct intel_region **ib);
>
> -void
> -intel_region_get_tile_masks(const struct intel_region *region,
> -                            uint32_t *mask_x, uint32_t *mask_y,
> -                            bool map_stencil_as_y_tiled);
> -
>  uint32_t
>  intel_region_get_aligned_offset(const struct intel_region *region, uint32_t x,
>                                  uint32_t y, bool map_stencil_as_y_tiled);
> --
> 1.9.2
>
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