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| author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2014-04-16 11:13:01 +0000 |
|---|---|---|
| committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2014-04-16 11:13:01 +0000 |
| commit | 7ce0b7cca179e903e8011cd96c9910cbdf62ae00 (patch) | |
| tree | 2ebfa5687c8126d1d2b345a1bfc8c374a62a227b /cuda/3d/cone_bp.cu | |
| parent | 3a6769465bee7d56d0ddff36613b886446421e07 (diff) | |
| download | astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.tar.gz astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.tar.bz2 astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.tar.xz astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.zip | |
Remove padding in 3D cuda in favour of Border mode
Diffstat (limited to 'cuda/3d/cone_bp.cu')
| -rw-r--r-- | cuda/3d/cone_bp.cu | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/cuda/3d/cone_bp.cu b/cuda/3d/cone_bp.cu index 7f8e320..1b0154d 100644 --- a/cuda/3d/cone_bp.cu +++ b/cuda/3d/cone_bp.cu @@ -73,9 +73,9 @@ bool bindProjDataTexture(const cudaArray* array) { cudaChannelFormatDesc channelDesc = cudaCreateChannelDesc<float>(); - gT_coneProjTexture.addressMode[0] = cudaAddressModeClamp; - gT_coneProjTexture.addressMode[1] = cudaAddressModeClamp; - gT_coneProjTexture.addressMode[2] = cudaAddressModeClamp; + gT_coneProjTexture.addressMode[0] = cudaAddressModeBorder; + gT_coneProjTexture.addressMode[1] = cudaAddressModeBorder; + gT_coneProjTexture.addressMode[2] = cudaAddressModeBorder; gT_coneProjTexture.filterMode = cudaFilterModeLinear; gT_coneProjTexture.normalized = false; @@ -148,8 +148,8 @@ __global__ void dev_cone_BP(void* D_volData, unsigned int volPitch, int startAng const float fVNum = fCvc + fX * fCvx + fY * fCvy + fZ * fCvz; const float fDen = fCdc + fX * fCdx + fY * fCdy + fZ * fCdz; - const float fU = fUNum / fDen + 1.0f; - const float fV = fVNum / fDen + 1.0f; + const float fU = fUNum / fDen; + const float fV = fVNum / fDen; fVal += tex3D(gT_coneProjTexture, fU, fAngle, fV); @@ -230,8 +230,8 @@ __global__ void dev_cone_BP_SS(void* D_volData, unsigned int volPitch, int start const float fVNum = fCvc + fXs * fCvx + fYs * fCvy + fZs * fCvz; const float fDen = fCdc + fXs * fCdx + fYs * fCdy + fZs * fCdz; - const float fU = fUNum / fDen + 1.0f; - const float fV = fVNum / fDen + 1.0f; + const float fU = fUNum / fDen; + const float fV = fVNum / fDen; fVal += tex3D(gT_coneProjTexture, fU, fAngle, fV); |