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Update cpu_voxelizer.cpp #58

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Update cpu_voxelizer.cpp #58

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22 changes: 9 additions & 13 deletions src/cpu_voxelizer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,11 @@ namespace cpu_voxelizer {

// Set specific bit in voxel table
void setBit(unsigned int* voxel_table, size_t index) {
size_t int_location = index / size_t(32);
uint32_t bit_pos = size_t(31) - (index % size_t(32)); // we count bit positions RtL, but array indices LtR
size_t int_location = index >> 5;
uint32_t bit_pos = size_t(31) - (location & s31);
uint32_t mask = 1 << bit_pos | 0;
#pragma omp critical
{
voxel_table[int_location] = (voxel_table[int_location] | mask);
}
#pragma omp atomic
voxel_table[int_location] |= mask;
}


Expand Down Expand Up @@ -194,13 +192,11 @@ namespace cpu_voxelizer {

// use Xor for voxels whose corresponding bits have to flipped
void setBitXor(unsigned int* voxel_table, size_t index) {
size_t int_location = index / size_t(32);
unsigned int bit_pos = size_t(31) - (index % size_t(32)); // we count bit positions RtL, but array indices LtR
size_t int_location = index >> 5;
unsigned int bit_pos = size_t(31) - (location & 31);
unsigned int mask = 1 << bit_pos;
#pragma omp critical
{
voxel_table[int_location] = (voxel_table[int_location] ^ mask);
}
#pragma omp atomic
voxel_table[int_location] ^= mask;
}

bool TopLeftEdge(glm::vec2 v0, glm::vec2 v1) {
Expand Down Expand Up @@ -326,4 +322,4 @@ namespace cpu_voxelizer {
}
cpu_voxelization_timer.stop(); fprintf(stdout, "[Perf] CPU voxelization time: %.1f ms \n", cpu_voxelization_timer.elapsed_time_milliseconds);
}
}
}