mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-21 21:24:46 +00:00
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#ifndef GL_FRAMEALLOCATOR_LOCKABLE_HELPER_H
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#define GL_FRAMEALLOCATOR_LOCKABLE_HELPER_H
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#include "core/frameAllocator.h"
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/// Helper class for simulate lock/unlock on gfx buffers using FrameAllocator
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class FrameAllocatorLockableHelper
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{
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public:
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FrameAllocatorLockableHelper()
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: mFrameAllocatorMark(0),
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mFrameAllocatorPtr(NULL)
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#if TORQUE_DEBUG
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, mFrameAllocatorMarkGuard(0)
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#endif
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{
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}
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U8* lock(const U32 size)
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{
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AssertFatal(!mFrameAllocatorMark && !mFrameAllocatorPtr, "");
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mFrameAllocatorMark = FrameAllocator::getWaterMark();
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mFrameAllocatorPtr = (U8*)FrameAllocator::alloc( size );
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#if TORQUE_DEBUG
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mFrameAllocatorMarkGuard = FrameAllocator::getWaterMark();
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#endif
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return mFrameAllocatorPtr;
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}
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void unlock()
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{
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#if TORQUE_DEBUG
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AssertFatal(mFrameAllocatorMarkGuard == FrameAllocator::getWaterMark(), "");
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#endif
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FrameAllocator::setWaterMark(mFrameAllocatorMark);
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mFrameAllocatorMark = 0;
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mFrameAllocatorPtr = NULL;
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}
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U8* getlockedPtr() const { return mFrameAllocatorPtr; }
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protected:
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U32 mFrameAllocatorMark;
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U8 *mFrameAllocatorPtr;
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#if TORQUE_DEBUG
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U32 mFrameAllocatorMarkGuard;
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#endif
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};
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#endif //GL_FRAMEALLOCATOR_LOCKABLE_HELPER_H
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