diff options
| -rw-r--r-- | indra/llcommon/llmemory.h | 12 | ||||
| -rw-r--r-- | indra/llmath/llvolume.cpp | 11 |
2 files changed, 13 insertions, 10 deletions
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h index 61e30f11cc..d0e4bc9e25 100644 --- a/indra/llcommon/llmemory.h +++ b/indra/llcommon/llmemory.h @@ -188,14 +188,14 @@ inline void ll_aligned_free_32(void *p) // inline void ll_memcpy_nonaliased_aligned_16(char* __restrict dst, const char* __restrict src, size_t bytes) { - assert(src != NULL); - assert(dst != NULL); - assert(bytes > 0); - assert((bytes % sizeof(F32))== 0); + llassert(src != NULL); + llassert(dst != NULL); + llassert(bytes >= 16); + llassert((bytes % sizeof(F32))== 0); + llassert((src < dst) ? ((src + bytes) < dst) : ((dst + bytes) < src)); + llassert(bytes%16==0); ll_assert_aligned(src,16); ll_assert_aligned(dst,16); - assert((src < dst) ? ((src + bytes) < dst) : ((dst + bytes) < src)); - assert(bytes%16==0); char* end = dst + bytes; diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index cb5633c1bb..edd16b5688 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -4729,11 +4729,13 @@ void LLVolumeFace::optimize(F32 angle_cutoff) } } - if (new_face.mNumVertices) + // disallow data amplification + // + if (new_face.mNumVertices <= mNumVertices) { - llassert(new_face.mNumIndices == mNumIndices); - swapData(new_face); - } + llassert(new_face.mNumIndices == mNumIndices); + swapData(new_face); + } } class LLVCacheTriangleData; @@ -6731,3 +6733,4 @@ void calc_binormal_from_triangle(LLVector4a& binormal, binormal.set( 0, 1 , 0 ); } } + |