On 30.03.2017 21:55, Gregory Hainaut wrote:
Typically happen when we want to copy an unnamed shader parameter in the
shader cache.

So this happens only when blob_write_string is called from nouveau?

By the way, please setup send-mail so that it threads your mails. That should be the default, so I'm not sure what happened here...

Thanks,
Nicolai


Note: it is safer to copy an empty string so we can read it back safely.

Fix piglit crashes of the 'texturegatheroffsets' tests

Signed-off-by: Gregory Hainaut <gregory.hain...@gmail.com>
---
 src/compiler/glsl/blob.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/compiler/glsl/blob.c b/src/compiler/glsl/blob.c
index 769ebf1..f84d7f3 100644
--- a/src/compiler/glsl/blob.c
+++ b/src/compiler/glsl/blob.c
@@ -176,7 +176,10 @@ blob_write_intptr(struct blob *blob, intptr_t value)
 bool
 blob_write_string(struct blob *blob, const char *str)
 {
-   return blob_write_bytes(blob, str, strlen(str) + 1);
+   if (str == NULL)
+      return blob_write_bytes(blob, "", 1);
+   else
+      return blob_write_bytes(blob, str, strlen(str) + 1);
 }

 void



--
Lerne, wie die Welt wirklich ist,
Aber vergiss niemals, wie sie sein sollte.
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