summaryrefslogtreecommitdiff
path: root/thirdparty/bullet/LinearMath/btStackAlloc.h
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/bullet/LinearMath/btStackAlloc.h')
-rw-r--r--thirdparty/bullet/LinearMath/btStackAlloc.h96
1 files changed, 49 insertions, 47 deletions
diff --git a/thirdparty/bullet/LinearMath/btStackAlloc.h b/thirdparty/bullet/LinearMath/btStackAlloc.h
index 397b084877..3fc2084976 100644
--- a/thirdparty/bullet/LinearMath/btStackAlloc.h
+++ b/thirdparty/bullet/LinearMath/btStackAlloc.h
@@ -20,97 +20,99 @@ Nov.2006
#ifndef BT_STACK_ALLOC
#define BT_STACK_ALLOC
-#include "btScalar.h" //for btAssert
+#include "btScalar.h" //for btAssert
#include "btAlignedAllocator.h"
///The btBlock class is an internal structure for the btStackAlloc memory allocator.
struct btBlock
{
- btBlock* previous;
- unsigned char* address;
+ btBlock* previous;
+ unsigned char* address;
};
///The StackAlloc class provides some fast stack-based memory allocator (LIFO last-in first-out)
class btStackAlloc
{
public:
+ btStackAlloc(unsigned int size)
+ {
+ ctor();
+ create(size);
+ }
+ ~btStackAlloc() { destroy(); }
- btStackAlloc(unsigned int size) { ctor();create(size); }
- ~btStackAlloc() { destroy(); }
-
- inline void create(unsigned int size)
+ inline void create(unsigned int size)
{
destroy();
- data = (unsigned char*) btAlignedAlloc(size,16);
- totalsize = size;
+ data = (unsigned char*)btAlignedAlloc(size, 16);
+ totalsize = size;
}
- inline void destroy()
+ inline void destroy()
{
- btAssert(usedsize==0);
+ btAssert(usedsize == 0);
//Raise(L"StackAlloc is still in use");
- if(usedsize==0)
+ if (usedsize == 0)
{
- if(!ischild && data)
+ if (!ischild && data)
btAlignedFree(data);
- data = 0;
- usedsize = 0;
+ data = 0;
+ usedsize = 0;
}
-
}
- int getAvailableMemory() const
+ int getAvailableMemory() const
{
return static_cast<int>(totalsize - usedsize);
}
- unsigned char* allocate(unsigned int size)
+ unsigned char* allocate(unsigned int size)
{
- const unsigned int nus(usedsize+size);
- if(nus<totalsize)
+ const unsigned int nus(usedsize + size);
+ if (nus < totalsize)
{
- usedsize=nus;
- return(data+(usedsize-size));
+ usedsize = nus;
+ return (data + (usedsize - size));
}
btAssert(0);
//&& (L"Not enough memory"));
-
- return(0);
+
+ return (0);
}
- SIMD_FORCE_INLINE btBlock* beginBlock()
+ SIMD_FORCE_INLINE btBlock* beginBlock()
{
- btBlock* pb = (btBlock*)allocate(sizeof(btBlock));
- pb->previous = current;
- pb->address = data+usedsize;
- current = pb;
- return(pb);
+ btBlock* pb = (btBlock*)allocate(sizeof(btBlock));
+ pb->previous = current;
+ pb->address = data + usedsize;
+ current = pb;
+ return (pb);
}
- SIMD_FORCE_INLINE void endBlock(btBlock* block)
+ SIMD_FORCE_INLINE void endBlock(btBlock* block)
{
- btAssert(block==current);
+ btAssert(block == current);
//Raise(L"Unmatched blocks");
- if(block==current)
+ if (block == current)
{
- current = block->previous;
- usedsize = (unsigned int)((block->address-data)-sizeof(btBlock));
+ current = block->previous;
+ usedsize = (unsigned int)((block->address - data) - sizeof(btBlock));
}
}
private:
- void ctor()
+ void ctor()
{
- data = 0;
- totalsize = 0;
- usedsize = 0;
- current = 0;
- ischild = false;
+ data = 0;
+ totalsize = 0;
+ usedsize = 0;
+ current = 0;
+ ischild = false;
}
- unsigned char* data;
- unsigned int totalsize;
- unsigned int usedsize;
- btBlock* current;
- bool ischild;
+ unsigned char* data;
+ unsigned int totalsize;
+ unsigned int usedsize;
+ btBlock* current;
+ bool ischild;
};
-#endif //BT_STACK_ALLOC
+#endif //BT_STACK_ALLOC