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i965/miptree: Add support for imported bo offsets for isl based 

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Topi Pohjolainen 2017-06-28 08:56:26 +03:00
parent 0f795effe5
commit 40e75aba73
1 changed files with 13 additions and 0 deletions
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13
src/mesa/drivers/dri/i965/intel_mipmap_tree.c
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@ -1453,9 +1453,22 @@ intel_miptree_get_image_offset(const struct intel_mipmap_tree *mt,
GLuint level, GLuint slice,
GLuint *x, GLuint *y)
{
if (level == 0 && slice == 0) {
*x = mt->level[0].level_x;
*y = mt->level[0].level_y;
return;
}
if (mt->surf.size > 0) {
uint32_t x_offset_sa, y_offset_sa;
/* Miptree itself can have an offset only if it represents a single
* slice in an imported buffer object.
* See intel_miptree_create_for_dri_image().
*/
assert(mt->level[0].level_x == 0);
assert(mt->level[0].level_y == 0);
/* Given level is relative to level zero while the miptree may be
* represent just a subset of all levels starting from 'first_level'.
*/