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gallium/radeon: handle buffer_map staging buffer failures better

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Cc: 11.0 <mesa-stable@lists.freedesktop.org>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2015-09-10 17:53:28 +02:00
parent cd27ff6a0f
commit 282b378012
1 changed files with 3 additions and 4 deletions
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7
src/gallium/drivers/radeon/r600_buffer_common.c
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@ -305,12 +305,11 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
data += box->x % R600_MAP_BUFFER_ALIGNMENT;
return r600_buffer_get_transfer(ctx, resource, level, usage, box,
ptransfer, data, staging, offset);
} else {
return NULL; /* error, shouldn't occur though */
}
} else {
/* At this point, the buffer is always idle (we checked it above). */
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
}
/* At this point, the buffer is always idle (we checked it above). */
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
}
/* Using a staging buffer in GTT for larger reads is much faster. */
else if ((usage & PIPE_TRANSFER_READ) &&