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some tuning, adding cuda kernels

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Evghenii
2013-11-14 22:33:58 +01:00
parent f12826bac5
commit 294fb039fe
5 changed files with 18 additions and 6 deletions
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14
examples_cuda/volume_rendering/volume.cu
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@@ -362,7 +362,6 @@ volume_tile(int x0, int y0, int x1,
}
extern "C"
__global__ void
volume_task(float density[], int _nVoxels[3],
const float _raster2camera[4][4],
@@ -432,3 +431,16 @@ volume_task(float density[], int _nVoxels[3],
}
extern "C"
__global__ void
volume_ispc_tasks( float density[], int nVoxels[3],
const float raster2camera[4][4],
const float camera2world[4][4],
int width, int height, float image[]) {
// Launch tasks to work on (dx,dy)-sized tiles of the image
int dx = 8, dy = 8;
int nTasks = ((width+(dx-1))/dx) * ((height+(dy-1))/dy);
if (programIndex == 0)
volume_task<<<(nTasks-1)/4+1, 128>>>(density, nVoxels, raster2camera, camera2world,
width, height, image);
}