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pvr: amend tile buffer size calculation for eot

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Fixes: a67120cda3 ("pvr, pco: full support for tile buffer eot handling")
Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37724>
This commit is contained in:
Simon Perretta
2025-09-30 13:12:56 +01:00
parent b0609a30b1
commit 1c1bc876fb
1 changed files with 14 additions and 3 deletions
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src/imagination/vulkan/pvr_usc.c
+14 -3
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@@ -88,11 +88,22 @@ pco_shader *pvr_usc_eot(pco_ctx *ctx,
assert(props->msaa_samples);
if (props->msaa_samples > 1) {
if (PVR_HAS_FEATURE(dev_info, pbe2_in_xe) &&
PVR_GET_FEATURE_VALUE(dev_info, isp_samples_per_pixel, 0U) ==
if (PVR_HAS_FEATURE(dev_info, pbe2_in_xe)) {
if (PVR_GET_FEATURE_VALUE(dev_info, isp_samples_per_pixel, 0U) ==
4) {
data_size *= props->msaa_samples;
/* Scale the size according to the number of samples. */
data_size *= props->msaa_samples;
}
/* Else, the size is reduced proportionally so the
* total amount of data remains the same as for non-MSAA, i.e.
* data_size is unchanged.
*/
} else {
/* The size is multiplied by the number of samples, but, for the
* 4x and 8x modes the size is reduced proportionally so the
* total amount of data remains the same as for 2x.
*/
data_size *= 2;
}
}