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integrate pre-Kepler architectures

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This commit is contained in:
marina.kolpakova 2012-11-14 12:40:44 +04:00
parent aa92be34d6
commit 08910e81af
2 changed files with 26 additions and 5 deletions
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15
modules/gpu/src/cuda/isf-sc.cu
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@ -209,6 +209,7 @@ __device void CascadeInvoker<Policy>::detect(Detection* objects, const uint ndet
const int lShift = (next - 1) * 2 + (int)(sum >= threshold);
float impact = leaves[(st + threadIdx.x) * 4 + lShift];
#if defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 300
#pragma unroll
// scan on shuffl functions
for (int i = 1; i < Policy::WARP; i *= 2)
@ -218,7 +219,21 @@ __device void CascadeInvoker<Policy>::detect(Detection* objects, const uint ndet
if (threadIdx.x >= i)
impact += n;
}
#else
__shared__ volatile float ptr[Policy::STA_X * Policy::STA_Y];
const int idx = threadIdx.y * Policy::STA_X + threadIdx.x;
ptr[idx] = impact;
if ( threadIdx.x >= 1) ptr [idx ] = (ptr [idx - 1] + ptr [idx]);
if ( threadIdx.x >= 2) ptr [idx ] = (ptr [idx - 2] + ptr [idx]);
if ( threadIdx.x >= 4) ptr [idx ] = (ptr [idx - 4] + ptr [idx]);
if ( threadIdx.x >= 8) ptr [idx ] = (ptr [idx - 8] + ptr [idx]);
if ( threadIdx.x >= 16) ptr [idx ] = (ptr [idx - 16] + ptr [idx]);
impact = ptr[idx];
#endif
confidence += impact;
if(__any((confidence <= stages[(st + threadIdx.x)]))) st += 2048;
}

16
modules/gpu/src/softcascade.cpp
View File

@ -298,14 +298,14 @@ struct cv::gpu::SCascade::Fields
leaves.upload(hleaves);
levels.upload(hlevels);
invoker = device::icf::CascadeInvoker<device::icf::GK107PolicyX4>(levels, octaves, stages, nodes, leaves);
}
void detect(int scale, const cv::gpu::GpuMat& roi, const cv::gpu::GpuMat& count, cv::gpu::GpuMat& objects, const cudaStream_t& stream) const
{
cudaMemset(count.data, 0, sizeof(Detection));
cudaSafeCall( cudaGetLastError());
device::icf::CascadeInvoker<device::icf::GK107PolicyX4> invoker
= device::icf::CascadeInvoker<device::icf::GK107PolicyX4>(levels, octaves, stages, nodes, leaves);
invoker(roi, hogluv, objects, count, downscales, scale, stream);
}
@ -407,8 +407,14 @@ private:
GpuMat channels(plane, cv::Rect(0, 0, fw, fh * Fields::HOG_LUV_BINS));
cv::gpu::resize(channels, shrunk, cv::Size(), 0.25, 0.25, CV_INTER_AREA, s);
cudaStream_t stream = StreamAccessor::getStream(s);
device::imgproc::shfl_integral_gpu_buffered(shrunk, integralBuffer, hogluv, 12, stream);
if (info.majorVersion() < 3)
cv::gpu::integralBuffered(shrunk, hogluv, integralBuffer, s);
else
{
cudaStream_t stream = StreamAccessor::getStream(s);
device::imgproc::shfl_integral_gpu_buffered(shrunk, integralBuffer, hogluv, 12, stream);
}
}
public:
@ -452,7 +458,7 @@ public:
GpuMat sobelBuf;
device::icf::CascadeInvoker<device::icf::GK107PolicyX4> invoker;
DeviceInfo info;
enum { BOOST = 0 };
enum