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authorWillem Jan Palenstijn <wjp@usecode.org>2021-11-26 12:10:19 +0100
committerWillem Jan Palenstijn <wjp@usecode.org>2021-11-26 12:10:19 +0100
commitdf2592c48f4785eb3c4b7882faa815a0b56e3739 (patch)
tree59ca80ff9e2d4356c28ee48f64eb68494e5f3372 /cuda/3d/util3d.cu
parent9d7018a5c6c5fd4574a4e7ef76878040566ec472 (diff)
parent7cad7b813838ed2ddb65a4c9ea1c08c625c50043 (diff)
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Merge branch 'texture'
This replaces the deprecated CUDA texture reference API by texture objects.
Diffstat (limited to 'cuda/3d/util3d.cu')
-rw-r--r--cuda/3d/util3d.cu22
1 files changed, 22 insertions, 0 deletions
diff --git a/cuda/3d/util3d.cu b/cuda/3d/util3d.cu
index 71b5668..3dc915d 100644
--- a/cuda/3d/util3d.cu
+++ b/cuda/3d/util3d.cu
@@ -378,6 +378,28 @@ bool transferHostProjectionsToArray(const float *projData, cudaArray* array, con
return checkCuda(cudaMemcpy3D(&p), "transferHostProjectionsToArray 3D");
}
+bool createTextureObject3D(cudaArray* array, cudaTextureObject_t& texObj)
+{
+ cudaChannelFormatDesc channelDesc =
+ cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
+
+ cudaResourceDesc resDesc;
+ memset(&resDesc, 0, sizeof(resDesc));
+ resDesc.resType = cudaResourceTypeArray;
+ resDesc.res.array.array = array;
+
+ cudaTextureDesc texDesc;
+ memset(&texDesc, 0, sizeof(texDesc));
+ texDesc.addressMode[0] = cudaAddressModeBorder;
+ texDesc.addressMode[1] = cudaAddressModeBorder;
+ texDesc.addressMode[2] = cudaAddressModeBorder;
+ texDesc.filterMode = cudaFilterModeLinear;
+ texDesc.readMode = cudaReadModeElementType;
+ texDesc.normalizedCoords = 0;
+
+ return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "createTextureObject3D");
+}
+
float dotProduct3D(cudaPitchedPtr data, unsigned int x, unsigned int y,