diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2015-11-27 12:13:41 -0200 |
|---|---|---|
| committer | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2016-01-29 16:28:11 -0200 |
| commit | be6f3fadaf2c45972f7a9830baa6fd35f4d755a6 (patch) | |
| tree | afe553ecd8b23eb8c125cef176eb7f20a82c2fde /lib/igt_fb.h | |
| parent | d63e72f0ad281f295b058a572741b995a5a0f64a (diff) | |
lib/igt_fb: make the automatic buffer sizes/strides smaller
The big motivation behind this patch is that the current power-of-two
granularity from igt_fb is way too big. There was more than one
occasion where I had to work around this problem on
kms_frontbuffer_tracking, and during my last workaround I was
requested to just make igt_fb use more minimal buffers.
I also need to export the size computation function so I won't need to
reimplement it inside kms_frontbuffer_tracking.
v2:
- Fix the Yf sizes (Ville).
- Don't change the Gen 2/3 behavior for both tiled and non-tiled.
v3:
- Edit the commit message, clarify that v1 was wrongly treating gen
2/3 non-tiled as tiled (Chris).
Requested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Diffstat (limited to 'lib/igt_fb.h')
| -rw-r--r-- | lib/igt_fb.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/igt_fb.h b/lib/igt_fb.h index 5cc8644d..064027cb 100644 --- a/lib/igt_fb.h +++ b/lib/igt_fb.h @@ -69,6 +69,8 @@ enum igt_text_align { align_hcenter = 0x08, }; +void igt_calc_fb_size(int fd, int width, int height, int bpp, uint64_t tiling, + unsigned *size_ret, unsigned *stride_ret); unsigned int igt_create_fb_with_bo_size(int fd, int width, int height, uint32_t format, uint64_t tiling, |