diff options
| author | Brian Paul <brianp@vmware.com> | 2010-07-29 19:18:48 +0100 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-07-29 19:19:05 +0100 |
| commit | 5f90e76c54bbf4456c977b3cbca450d7a570179e (patch) | |
| tree | a21471cbcaa498fe25af841d6e6c9f6f725a6154 /src/gallium/auxiliary/gallivm/lp_bld_sample.c | |
| parent | a258701cd949d45041ed571ca08fedc40de2cf69 (diff) | |
gallivm: fix lp_build_sample_offset() crash when indexing a 1-D texture
If y==NULL and y_stride==NULL it means the texture is 1D. Return
zero for out_i and the offset instead of garbage.
Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_sample.c')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_sample.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.c b/src/gallium/auxiliary/gallivm/lp_bld_sample.c index 0fd014ab9b..655c4fb901 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.c @@ -179,6 +179,9 @@ lp_build_sample_offset(struct lp_build_context *bld, LLVMValueRef y_offset = lp_build_mul(bld, y, y_stride); offset = lp_build_add(bld, offset, y_offset); } + else { + *out_j = bld->zero; + } if (z && z_stride) { LLVMValueRef z_offset = lp_build_mul(bld, z, z_stride); |