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freedreno/a6xx: Add helper to check if UBWC is supported 

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8659>
This commit is contained in:
Rob Clark 2021-01-22 09:16:58 -08:00
parent 38b073ebfe
commit 55f4f6882f
1 changed files with 18 additions and 10 deletions
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28
src/gallium/drivers/freedreno/a6xx/fd6_resource.c
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@ -37,7 +37,7 @@
* it can be tiled doesn't mean it can be compressed.
*/
static bool
ok_ubwc_format(struct fd_resource *rsc, enum pipe_format pfmt)
ok_ubwc_format(struct pipe_screen *pscreen, enum pipe_format pfmt)
{
switch (pfmt) {
case PIPE_FORMAT_X24S8_UINT:
@ -47,7 +47,7 @@ ok_ubwc_format(struct fd_resource *rsc, enum pipe_format pfmt)
* fd_resource_uncompress() at the point of stencil sampling because
* that itself uses stencil sampling in the fd_blitter_blit path.
*/
return fd_screen(rsc->base.screen)->info.a6xx.has_z24uint_s8uint;
return fd_screen(pscreen)->info.a6xx.has_z24uint_s8uint;
case PIPE_FORMAT_R8_G8B8_420_UNORM:
return true;
@ -90,6 +90,19 @@ ok_ubwc_format(struct fd_resource *rsc, enum pipe_format pfmt)
}
}
static bool
can_do_ubwc(struct pipe_resource *prsc)
{
/* limit things to simple single level 2d for now: */
if ((prsc->depth0 != 1) || (prsc->array_size != 1) || (prsc->last_level != 0))
return false;
if (prsc->target != PIPE_TEXTURE_2D)
return false;
if (!ok_ubwc_format(prsc->screen, prsc->format))
return false;
return true;
}
/**
* Ensure the rsc is in an ok state to be used with the specified format.
* This handles the case of UBWC buffers used with non-UBWC compatible
@ -102,7 +115,7 @@ fd6_validate_format(struct fd_context *ctx, struct fd_resource *rsc,
if (!rsc->layout.ubwc)
return;
if (ok_ubwc_format(rsc, format))
if (ok_ubwc_format(rsc->base.screen, format))
return;
fd_resource_uncompress(ctx, rsc);
@ -145,7 +158,7 @@ fd6_setup_slices(struct fd_resource *rsc)
if (!(fd_mesa_debug & FD_DBG_NOLRZ) && has_depth(rsc->base.format))
setup_lrz(rsc);
if (rsc->layout.ubwc && !ok_ubwc_format(rsc, rsc->base.format))
if (rsc->layout.ubwc && !ok_ubwc_format(rsc->base.screen, rsc->base.format))
rsc->layout.ubwc = false;
fdl6_layout(&rsc->layout, prsc->format, fd_resource_nr_samples(prsc),
@ -166,12 +179,7 @@ fill_ubwc_buffer_sizes(struct fd_resource *rsc)
.pitch = rsc->layout.pitch0,
};
/* limit things to simple single level 2d for now: */
if ((prsc->depth0 != 1) || (prsc->array_size != 1) || (prsc->last_level != 0))
return -1;
if (prsc->target != PIPE_TEXTURE_2D)
return -1;
if (!ok_ubwc_format(rsc, prsc->format))
if (!can_do_ubwc(prsc))
return -1;
rsc->layout.ubwc = true;