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authorKenneth Graunke <[email protected]>2019-05-28 15:39:24 -0700
committerKenneth Graunke <[email protected]>2019-05-29 18:16:32 +0000
commit6892d2b94a546ec35c259b98a014107d83986227 (patch)
treec158537c9d2ac5309df3711f394367e530ef7e75 /src/gallium/drivers/iris/iris_program.c
parente1409aead589d582f62a2526d2acaf03c704615f (diff)
iris: Clone before calling nir_strip and serializing
This is non-destructive and leaves the debugging information in place. Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/gallium/drivers/iris/iris_program.c')
-rw-r--r--src/gallium/drivers/iris/iris_program.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/gallium/drivers/iris/iris_program.c b/src/gallium/drivers/iris/iris_program.c
index 60f45eec629..0e294d1b8e0 100644
--- a/src/gallium/drivers/iris/iris_program.c
+++ b/src/gallium/drivers/iris/iris_program.c
@@ -1496,18 +1496,20 @@ iris_create_uncompiled_shader(struct pipe_context *ctx,
/* Serialize the NIR to a binary blob that we can hash for the disk
* cache. First, drop unnecessary information (like variable names)
* so the serialized NIR is smaller, and also to let us detect more
- * isomorphic shaders when hashing, increasing cache hits.
- *
- * We skip this step when not using the disk cache, as variable names
- * are useful for inspecting and debugging shaders.
+ * isomorphic shaders when hashing, increasing cache hits. We clone
+ * the NIR before stripping away this info because it can be useful
+ * when inspecting and debugging shaders.
*/
- nir_strip(nir);
+ nir_shader *clone = nir_shader_clone(NULL, nir);
+ nir_strip(clone);
struct blob blob;
blob_init(&blob);
- nir_serialize(&blob, ish->nir);
+ nir_serialize(&blob, clone);
_mesa_sha1_compute(blob.data, blob.size, ish->nir_sha1);
blob_finish(&blob);
+
+ ralloc_free(clone);
}
return ish;