Mesa (main): crocus/gen45: fix mapping compressed textures
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Mon Aug 2 19:53:13 UTC 2021
Module: Mesa
Branch: main
Commit: c12444ab8894e7d755401eb26523bb0e2ae63697
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c12444ab8894e7d755401eb26523bb0e2ae63697
Author: Dave Airlie <airlied at gmail.com>
Date: Mon Aug 2 02:26:46 2021 -0400
crocus/gen45: fix mapping compressed textures
I don't think iris ever hits this path, but probably has the same bug if
it did.
Fixes texsubimage on gfx4 + gfx4.5
Fixes: 5bf6ec31ccf6 ("crocus/gen4: restrict memcpy mapping to gen5")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12164>
---
src/gallium/drivers/crocus/crocus_resource.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/crocus/crocus_resource.c b/src/gallium/drivers/crocus/crocus_resource.c
index f189f1a4f99..5adca55233f 100644
--- a/src/gallium/drivers/crocus/crocus_resource.c
+++ b/src/gallium/drivers/crocus/crocus_resource.c
@@ -1542,12 +1542,17 @@ crocus_map_direct(struct crocus_transfer *map)
const unsigned cpp = fmtl->bpb / 8;
unsigned x0_el, y0_el;
+ assert(box->x % fmtl->bw == 0);
+ assert(box->y % fmtl->bh == 0);
get_image_offset_el(surf, xfer->level, box->z, &x0_el, &y0_el);
+ x0_el += box->x / fmtl->bw;
+ y0_el += box->y / fmtl->bh;
+
xfer->stride = isl_surf_get_row_pitch_B(surf);
xfer->layer_stride = isl_surf_get_array_pitch(surf);
- map->ptr = ptr + (y0_el + box->y) * xfer->stride + (x0_el + box->x) * cpp;
+ map->ptr = ptr + y0_el * xfer->stride + x0_el * cpp;
}
}
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