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authorErik Faye-Lund <[email protected]>2019-04-09 14:25:51 +0200
committerErik Faye-Lund <[email protected]>2019-04-17 07:27:08 +0000
commitce1761edabf8c27f3e76d6790b0876930ef390dc (patch)
treeef7019106a69d6c9717d3e60dca43fd9adb33acf /src
parent3fdacf1c390b5281c9adb4fbfdacd2757023941c (diff)
virgl: document potentially failing blit
This blit can fail, but this is not new; in the old version we didn't even try to blit in this case. So let's just document the limitation for now, and leave this for another day. Signed-off-by: Erik Faye-Lund <[email protected]> Reviewed-by: Gurchetan Singh <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/virgl/virgl_texture.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_texture.c b/src/gallium/drivers/virgl/virgl_texture.c
index bbda3f2406e..f0a2465021c 100644
--- a/src/gallium/drivers/virgl/virgl_texture.c
+++ b/src/gallium/drivers/virgl/virgl_texture.c
@@ -298,6 +298,12 @@ static void virgl_texture_transfer_unmap(struct pipe_context *ctx,
flush_data(ctx, virgl_transfer(trans->resolve_transfer),
&trans->resolve_transfer->box);
+ /* FINISHME: In case the destination format isn't renderable here, the
+ * blit here will currently fail. This could for instance happen if the
+ * mapped resource is of a compressed format, and it's mapped with both
+ * read and write usage.
+ */
+
virgl_copy_region_with_blit(ctx,
trans->base.resource, trans->base.level,
&transfer->box,