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This commit knocks about 30% off the run time of the sampler tests by using a more efficient check for whether we are near the edge of the chunk.

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David Williams 2015-04-02 23:11:19 +02:00
parent d41a7d2747
commit d1bcaec2c5
1 changed files with 6 additions and 3 deletions
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9
include/PolyVox/PagedVolumeSampler.inl
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@ -24,11 +24,14 @@ freely, subject to the following restrictions:
#include <array> #include <array>
#define CAN_GO_NEG_X(val) ((val % this->mVolume->m_uChunkSideLength != 0)) #define CAN_GO_NEG_X(val) ((val % this->mVolume->m_uChunkSideLength != 0))
#define CAN_GO_POS_X(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0)) //#define CAN_GO_POS_X(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0))
#define CAN_GO_POS_X(val) (this->m_uXPosInChunk < this->mVolume->m_uChunkSideLength-1)
#define CAN_GO_NEG_Y(val) ((val % this->mVolume->m_uChunkSideLength != 0)) #define CAN_GO_NEG_Y(val) ((val % this->mVolume->m_uChunkSideLength != 0))
#define CAN_GO_POS_Y(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0)) //#define CAN_GO_POS_Y(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0))
#define CAN_GO_POS_Y(val) (this->m_uYPosInChunk < this->mVolume->m_uChunkSideLength-1)
#define CAN_GO_NEG_Z(val) ((val % this->mVolume->m_uChunkSideLength != 0)) #define CAN_GO_NEG_Z(val) ((val % this->mVolume->m_uChunkSideLength != 0))
#define CAN_GO_POS_Z(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0)) //#define CAN_GO_POS_Z(val) (((val + 1) % this->mVolume->m_uChunkSideLength != 0))
#define CAN_GO_POS_Z(val) (this->m_uZPosInChunk < this->mVolume->m_uChunkSideLength-1)
#define NEG_X_DELTA (-(deltaX[this->m_uXPosInChunk-1])) #define NEG_X_DELTA (-(deltaX[this->m_uXPosInChunk-1]))
#define POS_X_DELTA (deltaX[this->m_uXPosInChunk]) #define POS_X_DELTA (deltaX[this->m_uXPosInChunk])