From 1a02877ab73b80dcbe20f2faf9e0dc65f54e7380 Mon Sep 17 00:00:00 2001
From: Alexey Spizhevoy <no@email>
Date: Mon, 11 Apr 2011 05:11:23 +0000
Subject: [PATCH] fixed gpu::downsample and gpu::blendLinear compite-time bugs
 under Ubuntu

---
 modules/gpu/src/blend.cpp       | 11 ++++-------
 modules/gpu/src/imgproc_gpu.cpp |  4 ++--
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/modules/gpu/src/blend.cpp b/modules/gpu/src/blend.cpp
index c5dfd583d..bf56507ed 100644
--- a/modules/gpu/src/blend.cpp
+++ b/modules/gpu/src/blend.cpp
@@ -83,19 +83,16 @@ void cv::gpu::blendLinear(const GpuMat& img1, const GpuMat& img2, const GpuMat&
     {
     case CV_8U:
         if (cn != 4)
-            blendLinearCaller(size.height, size.width, cn, (const PtrStep)img1, (const PtrStep)img2, 
-                              (const PtrStepf)weights1, (const PtrStepf)weights2, (PtrStep)result);
+            blendLinearCaller<uchar>(size.height, size.width, cn, img1, img2, weights1, weights2, result);
         else
-            blendLinearCaller8UC4(size.height, size.width, (const PtrStep)img1, (const PtrStep)img2, 
-                                  (const PtrStepf)weights1, (const PtrStepf)weights2, (PtrStep)result);
+            blendLinearCaller8UC4(size.height, size.width, img1, img2, weights1, weights2, result);
         break;
     case CV_32F:
-        blendLinearCaller(size.height, size.width, cn, (const PtrStepf)img1, (const PtrStepf)img2, 
-                          (const PtrStepf)weights1, (const PtrStepf)weights2, (PtrStepf)result);
+        blendLinearCaller<float>(size.height, size.width, cn, img1, img2, weights1, weights2, result);
         break;
     default:
         CV_Error(CV_StsUnsupportedFormat, "bad image depth in linear blending function");
     }
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/modules/gpu/src/imgproc_gpu.cpp b/modules/gpu/src/imgproc_gpu.cpp
index 0db8f5a26..92a0cbf1d 100644
--- a/modules/gpu/src/imgproc_gpu.cpp
+++ b/modules/gpu/src/imgproc_gpu.cpp
@@ -1374,10 +1374,10 @@ void cv::gpu::downsample(const GpuMat& src, GpuMat& dst, int k)
     switch (src.depth())
     {
     case CV_8U:
-        imgproc::downsampleCaller((const PtrStep)src, dst.rows, dst.cols, k, (PtrStep)dst);
+        imgproc::downsampleCaller<uchar>(src, dst.rows, dst.cols, k, dst);
         break;
     case CV_32F:
-        imgproc::downsampleCaller((const PtrStepf)src, dst.rows, dst.cols, k, (PtrStepf)dst);
+        imgproc::downsampleCaller<float>(src, dst.rows, dst.cols, k, dst);
         break;
     default:
         CV_Error(CV_StsUnsupportedFormat, "bad image depth in downsample function");