diff options
| author | Kenneth Graunke <[email protected]> | 2019-11-04 00:21:06 -0800 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2019-12-22 16:18:30 -0800 |
| commit | 97e9de17952d1382512007e4745c25b9c9106a46 (patch) | |
| tree | e7ef571c028a232bdf91c97554372fd56cb19469 /src/gallium/drivers/iris/iris_resource.c | |
| parent | c96c1141fba7d94b4b3b048111d8858ecac7cf55 (diff) | |
iris: Avoid replacing backing storage for buffers with no contents
We might get asked to pitch the storage on a buffer that already has
no meaningful contents. In this case, the existing buffer is as good
as a new one.
Diffstat (limited to 'src/gallium/drivers/iris/iris_resource.c')
| -rw-r--r-- | src/gallium/drivers/iris/iris_resource.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/iris/iris_resource.c b/src/gallium/drivers/iris/iris_resource.c index ed24d629fe5..952d6615584 100644 --- a/src/gallium/drivers/iris/iris_resource.c +++ b/src/gallium/drivers/iris/iris_resource.c @@ -1240,6 +1240,10 @@ iris_invalidate_resource(struct pipe_context *ctx, if (resource->target != PIPE_BUFFER) return; + /* If it's already invalidated, don't bother doing anything. */ + if (res->valid_buffer_range.start > res->valid_buffer_range.end) + return; + if (!resource_is_busy(ice, res)) { /* The resource is idle, so just mark that it contains no data and * keep using the same underlying buffer object. |