De-duplicate 2D texture object creation

5 files changed, 86 insertions, 134 deletions

diff --git a/cuda/2d/fan_bp.cu b/cuda/2d/fan_bp.cu
index ea2d23b..bcda464 100644
--- a/cuda/2d/fan_bp.cu
+++ b/cuda/2d/fan_bp.cu
@@ -57,34 +57,6 @@ struct DevFanParams {
 
 __constant__ DevFanParams gC_C[g_MaxAngles];
 
-
-static bool bindProjDataTexture(float* data, cudaTextureObject_t& texObj, unsigned int pitch, unsigned int width, unsigned int height, cudaTextureAddressMode mode = cudaAddressModeBorder)
-{
-	cudaChannelFormatDesc channelDesc =
-	    cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
-
-	cudaResourceDesc resDesc;
-	memset(&resDesc, 0, sizeof(resDesc));
-	resDesc.resType = cudaResourceTypePitch2D;
-	resDesc.res.pitch2D.devPtr = (void*)data;
-	resDesc.res.pitch2D.desc = channelDesc;
-	resDesc.res.pitch2D.width = width;
-	resDesc.res.pitch2D.height = height;
-	resDesc.res.pitch2D.pitchInBytes = sizeof(float)*pitch;
-
-	cudaTextureDesc texDesc;
-	memset(&texDesc, 0, sizeof(texDesc));
-	texDesc.addressMode[0] = mode;
-	texDesc.addressMode[1] = mode;
-	texDesc.filterMode = cudaFilterModeLinear;
-	texDesc.readMode = cudaReadModeElementType;
-	texDesc.normalizedCoords = 0;
-
-	texObj = 0;
-
-	return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "fan_bp texture");
-}
-
 template<bool FBPWEIGHT>
 __global__ void devFanBP(float* D_volData, unsigned int volPitch, cudaTextureObject_t tex, unsigned int startAngle, const SDimensions dims, float fOutputScale)
 {
@@ -315,11 +287,14 @@ bool FanBP_internal(float* D_volumeData, unsigned int volumePitch,
 	assert(dims.iProjAngles <= g_MaxAngles);
 
 	cudaTextureObject_t D_texObj;
-	bindProjDataTexture(D_projData, D_texObj, projPitch, dims.iProjDets, dims.iProjAngles);
+	if (!createTextureObjectPitch2D(D_projData, D_texObj, projPitch, dims.iProjDets, dims.iProjAngles))
+		return false;
 
 	bool ok = transferConstants(angles, dims.iProjAngles, false);
-	if (!ok)
+	if (!ok) {
+		cudaDestroyTextureObject(D_texObj);
 		return false;
+	}
 
 	dim3 dimBlock(g_blockSlices, g_blockSliceSize);
 	dim3 dimGrid((dims.iVolWidth+g_blockSlices-1)/g_blockSlices,
@@ -352,11 +327,14 @@ bool FanBP_FBPWeighted_internal(float* D_volumeData, unsigned int volumePitch,
 	assert(dims.iProjAngles <= g_MaxAngles);
 
 	cudaTextureObject_t D_texObj;
-	bindProjDataTexture(D_projData, D_texObj, projPitch, dims.iProjDets, dims.iProjAngles);
+	if (!createTextureObjectPitch2D(D_projData, D_texObj, projPitch, dims.iProjDets, dims.iProjAngles))
+		return false;
 
 	bool ok = transferConstants(angles, dims.iProjAngles, true);
-	if (!ok)
+	if (!ok) {
+		cudaDestroyTextureObject(D_texObj);
 		return false;
+	}
 
 	dim3 dimBlock(g_blockSlices, g_blockSliceSize);
 	dim3 dimGrid((dims.iVolWidth+g_blockSlices-1)/g_blockSlices,
@@ -387,11 +365,14 @@ bool FanBP_SART(float* D_volumeData, unsigned int volumePitch,
 {
 	// only one angle
 	cudaTextureObject_t D_texObj;
-	bindProjDataTexture(D_projData, D_texObj, projPitch, dims.iProjDets, 1, cudaAddressModeClamp);
+	if (!createTextureObjectPitch2D(D_projData, D_texObj, projPitch, dims.iProjDets, 1, cudaAddressModeClamp))
+		return false;
 
 	bool ok = transferConstants(angles + angle, 1, false);
-	if (!ok)
+	if (!ok) {
+		cudaDestroyTextureObject(D_texObj);
 		return false;
+	}
 
 	dim3 dimBlock(g_blockSlices, g_blockSliceSize);
 	dim3 dimGrid((dims.iVolWidth+g_blockSlices-1)/g_blockSlices,
@@ -399,7 +380,7 @@ bool FanBP_SART(float* D_volumeData, unsigned int volumePitch,
 
 	devFanBP_SART<<<dimGrid, dimBlock>>>(D_volumeData, volumePitch, D_texObj, dims, fOutputScale);
 
-	bool ok = checkCuda(cudaThreadSynchronize(), "FanBP_SART");
+	ok = checkCuda(cudaThreadSynchronize(), "FanBP_SART");
 
 	cudaDestroyTextureObject(D_texObj);
 
diff --git a/cuda/2d/fan_fp.cu b/cuda/2d/fan_fp.cu
index 0801097..ed99e08 100644
--- a/cuda/2d/fan_fp.cu
+++ b/cuda/2d/fan_fp.cu
@@ -49,36 +49,6 @@ static const unsigned int g_anglesPerBlock = 16;
 static const unsigned int g_detBlockSize = 32;
 static const unsigned int g_blockSlices = 64;
 
-static bool bindVolumeDataTexture(float* data, cudaArray*& dataArray, cudaTextureObject_t& texObj, unsigned int pitch, unsigned int width, unsigned int height)
-{
-	// TODO: For very small sizes (roughly <=512x128) with few angles (<=180)
-	// not using an array is more efficient.
-
-	cudaChannelFormatDesc channelDesc =
-	    cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
-
-	dataArray = 0;
-	cudaMallocArray(&dataArray, &channelDesc, width, height);
-	cudaMemcpy2DToArray(dataArray, 0, 0, data, pitch*sizeof(float), width*sizeof(float), height, cudaMemcpyDeviceToDevice);
-
-	cudaResourceDesc resDesc;
-	memset(&resDesc, 0, sizeof(resDesc));
-	resDesc.resType = cudaResourceTypeArray;
-	resDesc.res.array.array = dataArray;
-
-	cudaTextureDesc texDesc;
-	memset(&texDesc, 0, sizeof(texDesc));
-	texDesc.addressMode[0] = cudaAddressModeBorder;
-	texDesc.addressMode[1] = cudaAddressModeBorder;
-	texDesc.filterMode = cudaFilterModeLinear;
-	texDesc.readMode = cudaReadModeElementType;
-	texDesc.normalizedCoords = 0;
-
-	texObj = 0;
-
-	return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "fan_fp texture");
-}
-
 // projection for angles that are roughly horizontal
 // (detector roughly vertical)
 __global__ void FanFPhorizontal(float* D_projData, unsigned int projPitch, cudaTextureObject_t tex, unsigned int startSlice, unsigned int startAngle, unsigned int endAngle, const SDimensions dims, float outputScale)
@@ -231,7 +201,8 @@ bool FanFP_internal(float* D_volumeData, unsigned int volumePitch,
 	cudaArray* D_dataArray;
 	cudaTextureObject_t D_texObj;
 
-	bindVolumeDataTexture(D_volumeData, D_dataArray, D_texObj, volumePitch, dims.iVolWidth, dims.iVolHeight);
+	if (!createTextureObject2D(D_volumeData, D_dataArray, D_texObj, volumePitch, dims.iVolWidth, dims.iVolHeight))
+		return false;
 
 	// transfer angles to constant memory
 	float* tmp = new float[dims.iProjAngles];
diff --git a/cuda/2d/par_bp.cu b/cuda/2d/par_bp.cu
index ee94de8..4066912 100644
--- a/cuda/2d/par_bp.cu
+++ b/cuda/2d/par_bp.cu
@@ -51,33 +51,6 @@ __constant__ float gC_angle_scaled_cos[g_MaxAngles];
 __constant__ float gC_angle_offset[g_MaxAngles];
 __constant__ float gC_angle_scale[g_MaxAngles];
 
-static bool bindProjDataTexture(float* data, cudaTextureObject_t& texObj, unsigned int pitch, unsigned int width, unsigned int height, cudaTextureAddressMode mode = cudaAddressModeBorder)
-{
-	cudaChannelFormatDesc channelDesc =
-	    cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
-
-	cudaResourceDesc resDesc;
-	memset(&resDesc, 0, sizeof(resDesc));
-	resDesc.resType = cudaResourceTypePitch2D;
-	resDesc.res.pitch2D.devPtr = (void*)data;
-	resDesc.res.pitch2D.desc = channelDesc;
-	resDesc.res.pitch2D.width = width;
-	resDesc.res.pitch2D.height = height;
-	resDesc.res.pitch2D.pitchInBytes = sizeof(float)*pitch;
-
-	cudaTextureDesc texDesc;
-	memset(&texDesc, 0, sizeof(texDesc));
-	texDesc.addressMode[0] = mode;
-	texDesc.addressMode[1] = mode;
-	texDesc.filterMode = cudaFilterModeLinear;
-	texDesc.readMode = cudaReadModeElementType;
-	texDesc.normalizedCoords = 0;
-
-	texObj = 0;
-
-	return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "par_bp texture");
-}
-
 // TODO: Templated version with/without scale? (Or only the global outputscale)
 __global__ void devBP(float* D_volData, unsigned int volPitch, cudaTextureObject_t tex, unsigned int startAngle, const SDimensions dims, float fOutputScale)
 {
@@ -196,14 +169,15 @@ bool BP_internal(float* D_volumeData, unsigned int volumePitch,
 {
 	assert(dims.iProjAngles <= g_MaxAngles);
 
+	cudaTextureObject_t D_texObj;
+	if (!createTextureObjectPitch2D(D_projData, D_texObj, projPitch, dims.iProjDets, dims.iProjAngles))
+		return false;
+
 	float* angle_scaled_sin = new float[dims.iProjAngles];
 	float* angle_scaled_cos = new float[dims.iProjAngles];
 	float* angle_offset = new float[dims.iProjAngles];
 	float* angle_scale = new float[dims.iProjAngles];
 
-	cudaTextureObject_t D_texObj;
-	bindProjDataTexture(D_projData, D_texObj, projPitch, dims.iProjDets, dims.iProjAngles);
-
 	for (unsigned int i = 0; i < dims.iProjAngles; ++i) {
 		double d = angles[i].fDetUX * angles[i].fRayY - angles[i].fDetUY * angles[i].fRayX;
 		angle_scaled_cos[i] = angles[i].fRayY / d;
@@ -284,7 +258,8 @@ bool BP_SART(float* D_volumeData, unsigned int volumePitch,
 	// We need to Clamp to the border pixels instead of to zero, because
 	// SART weights with ray length.
 	cudaTextureObject_t D_texObj;
-	bindProjDataTexture(D_projData, D_texObj, projPitch, dims.iProjDets, 1, cudaAddressModeClamp);
+	if (!createTextureObjectPitch2D(D_projData, D_texObj, projPitch, dims.iProjDets, 1, cudaAddressModeClamp))
+		return false;
 
 	double d = angles[angle].fDetUX * angles[angle].fRayY - angles[angle].fDetUY * angles[angle].fRayX;
 	float angle_scaled_cos = angles[angle].fRayY / d;
diff --git a/cuda/2d/par_fp.cu b/cuda/2d/par_fp.cu
index cccf672..6035e0c 100644
--- a/cuda/2d/par_fp.cu
+++ b/cuda/2d/par_fp.cu
@@ -47,42 +47,6 @@ static const unsigned int g_anglesPerBlock = 16;
 static const unsigned int g_detBlockSize = 32;
 static const unsigned int g_blockSlices = 64;
 
-// fixed point scaling factor
-#define fPREC_FACTOR 16.0f
-#define iPREC_FACTOR 16
-
-
-static bool bindVolumeDataTexture(float* data, cudaArray*& dataArray, cudaTextureObject_t& texObj, unsigned int pitch, unsigned int width, unsigned int height)
-{
-	// TODO: For very small sizes (roughly <=512x128) with few angles (<=180)
-	// not using an array is more efficient.
-
-	cudaChannelFormatDesc channelDesc =
-	    cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
-
-	dataArray = 0;
-	cudaMallocArray(&dataArray, &channelDesc, width, height);
-	cudaMemcpy2DToArray(dataArray, 0, 0, data, pitch*sizeof(float), width*sizeof(float), height, cudaMemcpyDeviceToDevice);
-
-	cudaResourceDesc resDesc;
-	memset(&resDesc, 0, sizeof(resDesc));
-	resDesc.resType = cudaResourceTypeArray;
-	resDesc.res.array.array = dataArray;
-
-	cudaTextureDesc texDesc;
-	memset(&texDesc, 0, sizeof(texDesc));
-	texDesc.addressMode[0] = cudaAddressModeBorder;
-	texDesc.addressMode[1] = cudaAddressModeBorder;
-	texDesc.filterMode = cudaFilterModeLinear;
-	texDesc.readMode = cudaReadModeElementType;
-	texDesc.normalizedCoords = 0;
-
-	texObj = 0;
-
-	return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "par_fp texture");
-}
-
-
 // projection for angles that are roughly horizontal
 // (detector roughly vertical)
 __global__ void FPhorizontal_simple(float* D_projData, unsigned int projPitch, cudaTextureObject_t tex, unsigned int startSlice, unsigned int startAngle, unsigned int endAngle, const SDimensions dims, float outputScale)
@@ -274,7 +238,8 @@ bool FP_simple_internal(float* D_volumeData, unsigned int volumePitch,
 	cudaArray* D_dataArray;
 	cudaTextureObject_t D_texObj;
 
-	bindVolumeDataTexture(D_volumeData, D_dataArray, D_texObj, volumePitch, dims.iVolWidth, dims.iVolHeight);
+	if (!createTextureObject2D(D_volumeData, D_dataArray, D_texObj, volumePitch, dims.iVolWidth, dims.iVolHeight))
+		return false;
 
 
 	convertAndUploadAngles(angles, dims.iProjAngles, dims.iProjDets);
diff --git a/cuda/2d/util.cu b/cuda/2d/util.cu
index ac360f0..2ad3c0f 100644
--- a/cuda/2d/util.cu
+++ b/cuda/2d/util.cu
@@ -126,6 +126,66 @@ void duplicateProjectionData(float* D_dst, float* D_src, unsigned int pitch, con
 	cudaMemcpy2D(D_dst, sizeof(float)*pitch, D_src, sizeof(float)*pitch, sizeof(float)*dims.iProjDets, dims.iProjAngles, cudaMemcpyDeviceToDevice);
 }
 
+bool createTextureObject2D(float* data, cudaArray*& dataArray, cudaTextureObject_t& texObj, unsigned int pitch, unsigned int width, unsigned int height)
+{
+	// TODO: For very small sizes (roughly <=512x128) with few angles (<=180)
+	// not using an array is more efficient.
+
+	cudaChannelFormatDesc channelDesc =
+	    cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
+
+	dataArray = 0;
+	cudaMallocArray(&dataArray, &channelDesc, width, height);
+	cudaMemcpy2DToArray(dataArray, 0, 0, data, pitch*sizeof(float), width*sizeof(float), height, cudaMemcpyDeviceToDevice);
+
+	cudaResourceDesc resDesc;
+	memset(&resDesc, 0, sizeof(resDesc));
+	resDesc.resType = cudaResourceTypeArray;
+	resDesc.res.array.array = dataArray;
+
+	cudaTextureDesc texDesc;
+	memset(&texDesc, 0, sizeof(texDesc));
+	texDesc.addressMode[0] = cudaAddressModeBorder;
+	texDesc.addressMode[1] = cudaAddressModeBorder;
+	texDesc.filterMode = cudaFilterModeLinear;
+	texDesc.readMode = cudaReadModeElementType;
+	texDesc.normalizedCoords = 0;
+
+	texObj = 0;
+
+	return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "createTextureObject2D");
+}
+
+bool createTextureObjectPitch2D(float* data, cudaTextureObject_t& texObj, unsigned int pitch, unsigned int width, unsigned int height, cudaTextureAddressMode mode)
+{
+	cudaChannelFormatDesc channelDesc =
+	    cudaCreateChannelDesc(32, 0, 0, 0, cudaChannelFormatKindFloat);
+
+	cudaResourceDesc resDesc;
+	memset(&resDesc, 0, sizeof(resDesc));
+	resDesc.resType = cudaResourceTypePitch2D;
+	resDesc.res.pitch2D.devPtr = (void*)data;
+	resDesc.res.pitch2D.desc = channelDesc;
+	resDesc.res.pitch2D.width = width;
+	resDesc.res.pitch2D.height = height;
+	resDesc.res.pitch2D.pitchInBytes = sizeof(float)*pitch;
+
+	cudaTextureDesc texDesc;
+	memset(&texDesc, 0, sizeof(texDesc));
+	texDesc.addressMode[0] = mode;
+	texDesc.addressMode[1] = mode;
+	texDesc.filterMode = cudaFilterModeLinear;
+	texDesc.readMode = cudaReadModeElementType;
+	texDesc.normalizedCoords = 0;
+
+	texObj = 0;
+
+	return checkCuda(cudaCreateTextureObject(&texObj, &resDesc, &texDesc, NULL), "createTextureObjectPitch2D");
+}
+
+
+
+
 template <unsigned int blockSize>
 __global__ void reduce1D(float *g_idata, float *g_odata, unsigned int n)
 {