summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--cuda/3d/cone_fp.cu88
1 files changed, 62 insertions, 26 deletions
diff --git a/cuda/3d/cone_fp.cu b/cuda/3d/cone_fp.cu
index 2feec06..fefcdc1 100644
--- a/cuda/3d/cone_fp.cu
+++ b/cuda/3d/cone_fp.cu
@@ -128,6 +128,18 @@ struct DIR_Z {
__device__ float z(float f0, float f1, float f2) const { return f0; }
};
+struct SCALE_CUBE {
+ float fOutputScale;
+ __device__ float scale(float a1, float a2) const { return sqrt(a1*a1+a2*a2+1.0f) * fOutputScale; }
+};
+
+struct SCALE_NONCUBE {
+ float fScale1;
+ float fScale2;
+ float fOutputScale;
+ __device__ float scale(float a1, float a2) const { return sqrt(a1*a1*fScale1+a2*a2*fScale2+1.0f) * fOutputScale; }
+};
+
// threadIdx: x = ??? detector (u?)
// y = relative angle
@@ -135,12 +147,12 @@ struct DIR_Z {
// blockIdx: x = ??? detector (u+v?)
// y = angle block
-template<class COORD>
+template<class COORD, class SCALE>
__global__ void cone_FP_t(float* D_projData, unsigned int projPitch,
unsigned int startSlice,
unsigned int startAngle, unsigned int endAngle,
const SDimensions3D dims,
- float fScale1, float fScale2, float fOutputScale)
+ SCALE sc)
{
COORD c;
@@ -189,7 +201,7 @@ __global__ void cone_FP_t(float* D_projData, unsigned int projPitch,
const float b1 = c.c1(fSrcX,fSrcY,fSrcZ) - a1 * c.c0(fSrcX,fSrcY,fSrcZ);
const float b2 = c.c2(fSrcX,fSrcY,fSrcZ) - a2 * c.c0(fSrcX,fSrcY,fSrcZ);
- const float fDistCorr = sqrt(a1*a1*fScale1+a2*a2*fScale2+1.0f) * fOutputScale;
+ const float fDistCorr = sc.scale(a1, a2);
float fVal = 0.0f;
@@ -216,7 +228,7 @@ __global__ void cone_FP_SS_t(float* D_projData, unsigned int projPitch,
unsigned int startSlice,
unsigned int startAngle, unsigned int endAngle,
const SDimensions3D dims, int iRaysPerDetDim,
- float fScale1, float fScale2, float fOutputScale)
+ SCALE_NONCUBE sc)
{
COORD c;
@@ -274,7 +286,7 @@ __global__ void cone_FP_SS_t(float* D_projData, unsigned int projPitch,
const float b1 = c.c1(fSrcX,fSrcY,fSrcZ) - a1 * c.c0(fSrcX,fSrcY,fSrcZ);
const float b2 = c.c2(fSrcX,fSrcY,fSrcZ) - a2 * c.c0(fSrcX,fSrcY,fSrcZ);
- const float fDistCorr = sqrt(a1*a1*fScale1+a2*a2*fScale2+1.0f) * fOutputScale;
+ const float fDistCorr = sc.scale(a1, a2);
float fVal = 0.0f;
@@ -338,6 +350,36 @@ bool ConeFP_Array_internal(cudaPitchedPtr D_projData,
unsigned int blockEnd = 0;
int blockDirection = 0;
+ bool cube = true;
+ if (abs(params.fVolScaleX / params.fVolScaleY - 1.0) > 0.00001)
+ cube = false;
+ if (abs(params.fVolScaleX / params.fVolScaleZ - 1.0) > 0.00001)
+ cube = false;
+
+ SCALE_CUBE scube;
+ scube.fOutputScale = params.fOutputScale * params.fVolScaleX;
+
+ SCALE_NONCUBE snoncubeX;
+ float fS1 = params.fVolScaleY / params.fVolScaleX;
+ snoncubeX.fScale1 = fS1 * fS1;
+ float fS2 = params.fVolScaleZ / params.fVolScaleX;
+ snoncubeX.fScale2 = fS2 * fS2;
+ snoncubeX.fOutputScale = params.fOutputScale * params.fVolScaleX;
+
+ SCALE_NONCUBE snoncubeY;
+ fS1 = params.fVolScaleX / params.fVolScaleY;
+ snoncubeY.fScale1 = fS1 * fS1;
+ fS2 = params.fVolScaleY / params.fVolScaleY;
+ snoncubeY.fScale2 = fS2 * fS2;
+ snoncubeY.fOutputScale = params.fOutputScale * params.fVolScaleY;
+
+ SCALE_NONCUBE snoncubeZ;
+ fS1 = params.fVolScaleX / params.fVolScaleZ;
+ snoncubeZ.fScale1 = fS1 * fS1;
+ fS2 = params.fVolScaleY / params.fVolScaleZ;
+ snoncubeZ.fScale2 = fS2 * fS2;
+ snoncubeZ.fOutputScale = params.fOutputScale * params.fVolScaleZ;
+
// timeval t;
// tic(t);
@@ -374,38 +416,32 @@ bool ConeFP_Array_internal(cudaPitchedPtr D_projData,
// printf("angle block: %d to %d, %d (%dx%d, %dx%d)\n", blockStart, blockEnd, blockDirection, dimGrid.x, dimGrid.y, dimBlock.x, dimBlock.y);
if (blockDirection == 0) {
- float fS1 = params.fVolScaleY / params.fVolScaleX;
- fS1 *= fS1;
- float fS2 = params.fVolScaleZ / params.fVolScaleX;
- fS2 *= fS2;
- float fS0 = params.fOutputScale * params.fVolScaleX;
for (unsigned int i = 0; i < dims.iVolX; i += g_blockSlices)
if (params.iRaysPerDetDim == 1)
- cone_FP_t<DIR_X><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, fS1, fS2, fS0);
+ if (cube)
+ cone_FP_t<DIR_X><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, scube);
+ else
+ cone_FP_t<DIR_X><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, snoncubeX);
else
- cone_FP_SS_t<DIR_X><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, params.iRaysPerDetDim, fS1, fS2, fS0);
+ cone_FP_SS_t<DIR_X><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, params.iRaysPerDetDim, snoncubeX);
} else if (blockDirection == 1) {
- float fS1 = params.fVolScaleX / params.fVolScaleY;
- fS1 *= fS1;
- float fS2 = params.fVolScaleZ / params.fVolScaleY;
- fS2 *= fS2;
- float fS0 = params.fOutputScale * params.fVolScaleY;
for (unsigned int i = 0; i < dims.iVolY; i += g_blockSlices)
if (params.iRaysPerDetDim == 1)
- cone_FP_t<DIR_Y><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, fS1, fS2, fS0);
+ if (cube)
+ cone_FP_t<DIR_Y><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, scube);
+ else
+ cone_FP_t<DIR_Y><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, snoncubeY);
else
- cone_FP_SS_t<DIR_Y><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, params.iRaysPerDetDim, fS1, fS2, fS0);
+ cone_FP_SS_t<DIR_Y><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, params.iRaysPerDetDim, snoncubeY);
} else if (blockDirection == 2) {
- float fS1 = params.fVolScaleX / params.fVolScaleZ;
- fS1 *= fS1;
- float fS2 = params.fVolScaleY / params.fVolScaleZ;
- fS2 *= fS2;
- float fS0 = params.fOutputScale * params.fVolScaleZ;
for (unsigned int i = 0; i < dims.iVolZ; i += g_blockSlices)
if (params.iRaysPerDetDim == 1)
- cone_FP_t<DIR_Z><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, fS1, fS2, fS0);
+ if (cube)
+ cone_FP_t<DIR_Z><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, scube);
+ else
+ cone_FP_t<DIR_Z><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, snoncubeZ);
else
- cone_FP_SS_t<DIR_Z><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, params.iRaysPerDetDim, fS1, fS2, fS0);
+ cone_FP_SS_t<DIR_Z><<<dimGrid, dimBlock, 0, stream>>>((float*)D_projData.ptr, D_projData.pitch/sizeof(float), i, blockStart, blockEnd, dims, params.iRaysPerDetDim, snoncubeZ);
}
}