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fix OpenGL render functions

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fix createOpticalFlowNeedleMap
This commit is contained in:
Vladislav Vinogradov
2012-01-18 08:27:08 +00:00
parent 70820224c3
commit cdae0743ab
3 changed files with 15 additions and 9 deletions
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modules/gpu/src/optical_flow.cpp
+8 -2
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@@ -194,7 +194,7 @@ namespace cv { namespace gpu { namespace device
namespace optical_flow
{
void NeedleMapAverage_gpu(DevMem2Df u, DevMem2Df v, DevMem2Df u_avg, DevMem2Df v_avg);
void CreateOpticalFlowNeedleMap_gpu(DevMem2Df u_avg, DevMem2Df v_avg, float* vertex_buffer, float* color_data, float xscale, float yscale);
void CreateOpticalFlowNeedleMap_gpu(DevMem2Df u_avg, DevMem2Df v_avg, float* vertex_buffer, float* color_data, float max_flow, float xscale, float yscale);
}
}}}
@@ -224,7 +224,13 @@ void cv::gpu::createOpticalFlowNeedleMap(const GpuMat& u, const GpuMat& v, GpuMa
colors.setTo(Scalar::all(1.0));
CreateOpticalFlowNeedleMap_gpu(u_avg, v_avg, vertex.ptr<float>(), colors.ptr<float>(), 1.0f / u.cols, 1.0f / u.rows);
double uMax, vMax;
minMax(u_avg, 0, &uMax);
minMax(v_avg, 0, &vMax);
float max_flow = static_cast<float>(sqrt(uMax * uMax + vMax * vMax));
CreateOpticalFlowNeedleMap_gpu(u_avg, v_avg, vertex.ptr<float>(), colors.ptr<float>(), max_flow, 1.0f / u.cols, 1.0f / u.rows);
cvtColor(colors, colors, COLOR_HSV2RGB);
}