diff options
Diffstat (limited to 'PhysX_3.4/Source/Common/src/CmUtils.h')
| -rw-r--r-- | PhysX_3.4/Source/Common/src/CmUtils.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/Common/src/CmUtils.h b/PhysX_3.4/Source/Common/src/CmUtils.h index ad911fd7..febddbf2 100644 --- a/PhysX_3.4/Source/Common/src/CmUtils.h +++ b/PhysX_3.4/Source/Common/src/CmUtils.h @@ -284,6 +284,24 @@ void importInlineArray(Ps::InlineArray<T, N, Alloc>& a, PxDeserializationContext Cm::importArray(a, context); } +template<class T> +static PX_INLINE T* reserveContainerMemory(Ps::Array<T>& container, PxU32 nb) +{ + const PxU32 maxNbEntries = container.capacity(); + const PxU32 requiredSize = container.size() + nb; + + if(requiredSize>maxNbEntries) + { + const PxU32 naturalGrowthSize = maxNbEntries ? maxNbEntries*2 : 2; + const PxU32 newSize = PxMax(requiredSize, naturalGrowthSize); + container.reserve(newSize); + } + + T* buf = container.end(); + container.forceSize_Unsafe(requiredSize); + return buf; +} + } // namespace Cm |