fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-28 16:50:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

intel: add pixel offset calculator for miptree levels

Browse source 
Add helper to calculate fine-grained x and y adjustment pixels
to an image within a miptree level for tiled regions.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
This commit is contained in:
Abdiel Janulgue 2012-12-07 13:40:35 +02:00 • committed by Chad Versace
parent 7014df0d1d
commit 163b35e416
2 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/mesa/drivers/dri/intel/intel_mipmap_tree.c
View file

@ -687,6 +687,21 @@ intel_miptree_get_image_offset(struct intel_mipmap_tree *mt,
*y = mt->level[level].slice[slice].y_offset;
}
void
intel_miptree_get_tile_offsets(struct intel_mipmap_tree *mt,
GLuint level, GLuint slice,
uint32_t *tile_x,
uint32_t *tile_y)
{
struct intel_region *region = mt->region;
uint32_t mask_x, mask_y;
intel_region_get_tile_masks(region, &mask_x, &mask_y, false);
*tile_x = mt->level[level].slice[slice].x_offset & mask_x;
*tile_y = mt->level[level].slice[slice].y_offset & mask_y;
}
static void
intel_miptree_copy_slice(struct intel_context *intel,
struct intel_mipmap_tree *dst_mt,

6
src/mesa/drivers/dri/intel/intel_mipmap_tree.h
View file

@ -467,6 +467,12 @@ void
intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
int *width, int *height, int *depth);
void
intel_miptree_get_tile_offsets(struct intel_mipmap_tree *mt,
GLuint level, GLuint slice,
uint32_t *tile_x,
uint32_t *tile_y);
void intel_miptree_set_level_info(struct intel_mipmap_tree *mt,
GLuint level,
GLuint x, GLuint y,