KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

panfrost: Add panfrost_block_dim helper 

So we can calculate strides of block-based formats correctly. Will help
us down the road for Bifrost AFBC.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7081>
This commit is contained in:
Alyssa Rosenzweig 2020-10-08 18:34:48 -04:00
parent aa6a5d20e6
commit 8bb1d61f27
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/panfrost/lib/pan_texture.c
View File

@ -206,6 +206,28 @@ panfrost_estimate_texture_payload_size(
* currently unknown.
*/
static unsigned
panfrost_block_dim(uint64_t modifier, bool width, unsigned plane)
{
if (!drm_is_afbc(modifier)) {
assert(modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED);
return 16;
}
switch (modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) {
case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16:
return 16;
case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8:
return width ? 32 : 32;
case AFBC_FORMAT_MOD_BLOCK_SIZE_64x4:
return width ? 64 : 4;
case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8_64x4:
return plane ? (width ? 64 : 4) : (width ? 32 : 8);
default:
unreachable("Invalid AFBC block size");
}
}
static unsigned
panfrost_nonlinear_stride(uint64_t modifier,
unsigned bytes_per_pixel,