| 322,6 → 322,21 |
|---|
| rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y); |
| rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x); |
| rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y); |
| |
| /* By dividing the dimensions by 4, we effectively decrement |
| * last_level by 2, therefore the last 2 mipmap levels disappear and |
| * aren't blittable. Note that the last 3 mipmap levels (4x4, 2x2, |
| * 1x1) have equal slice sizes, which is an important assumption |
| * for this to work. |
| * |
| * In order to make the last 2 mipmap levels blittable, we have to |
| * add the slice size of the last mipmap level to the texture |
| * address, so that even though the hw thinks it reads last_level-2, |
| * it will actually read last_level-1, and if we add the slice size*2, |
| * it will read last_level. That's how this workaround works. |
| */ |
| if (level > rtex->resource.b.b.last_level-2) |
| rtex->mipmap_shift = level - (rtex->resource.b.b.last_level-2); |
| } |
| |
| static void r600_change_format(struct pipe_resource *tex, |
| 355,6 → 370,7 |
|---|
| rtex->surface.level[0].npix_y = orig->npix0_y; |
| rtex->surface.level[level].npix_x = orig->npix_x; |
| rtex->surface.level[level].npix_y = orig->npix_y; |
| rtex->mipmap_shift = 0; |
| } |
| |
| static void r600_resource_copy_region(struct pipe_context *ctx, |