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ilo: set ILO_TEXTURE_CPU_WRITE for imported textures 

Assume the bo has been written by another process, which will trigger a HiZ
resolve.
This commit is contained in:
Chia-I Wu 2014-01-14 23:35:43 +08:00
parent 1f4bfb8797
commit f8d19a58dc
1 changed files with 10 additions and 3 deletions
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13
src/gallium/drivers/ilo/ilo_resource.c
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@ -1133,6 +1133,7 @@ tex_create_hiz(struct ilo_texture *tex, const struct tex_layout *layout)
*/
for (lv = 0; lv <= templ->last_level; lv++) {
unsigned align_w = 8, align_h = 4;
unsigned flags = 0;
switch (templ->nr_samples) {
case 0:
@ -1154,11 +1155,17 @@ tex_create_hiz(struct ilo_texture *tex, const struct tex_layout *layout)
if (u_minify(templ->width0, lv) % align_w == 0 &&
u_minify(templ->height0, lv) % align_h == 0) {
flags |= ILO_TEXTURE_HIZ;
/* this will trigger a HiZ resolve */
if (tex->imported)
flags |= ILO_TEXTURE_CPU_WRITE;
}
if (flags) {
const unsigned num_slices = (templ->target == PIPE_TEXTURE_3D) ?
u_minify(templ->depth0, lv) : templ->array_size;
ilo_texture_set_slice_flags(tex, lv, 0, num_slices,
ILO_TEXTURE_HIZ, ILO_TEXTURE_HIZ);
ilo_texture_set_slice_flags(tex, lv, 0, num_slices, flags, flags);
}
}