From 2e47a1a61be525a408629f0f19b490083773c0b4 Mon Sep 17 00:00:00 2001
From: Vladislav Vinogradov <vlad.vinogradov@itseez.com>
Date: Wed, 4 Mar 2015 16:27:20 +0300
Subject: [PATCH] reduce pyramids instantiates for tiny build

---
 modules/gpu/src/cuda/pyr_down.cu |  2 ++
 modules/gpu/src/cuda/pyr_up.cu   |  2 ++
 modules/gpu/src/pyramids.cpp     | 24 ++++++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/modules/gpu/src/cuda/pyr_down.cu b/modules/gpu/src/cuda/pyr_down.cu
index eac7928..af0e18d 100644
--- a/modules/gpu/src/cuda/pyr_down.cu
+++ b/modules/gpu/src/cuda/pyr_down.cu
@@ -197,6 +197,7 @@ namespace cv { namespace gpu { namespace device
         template void pyrDown_gpu<uchar3>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         template void pyrDown_gpu<uchar4>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
 
+#ifndef OPENCV_TINY_GPU_MODULE
         //template void pyrDown_gpu<schar>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrDown_gpu<char2>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrDown_gpu<char3>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
@@ -216,6 +217,7 @@ namespace cv { namespace gpu { namespace device
         //template void pyrDown_gpu<int2>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrDown_gpu<int3>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrDown_gpu<int4>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
+#endif
 
         template void pyrDown_gpu<float>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrDown_gpu<float2>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
diff --git a/modules/gpu/src/cuda/pyr_up.cu b/modules/gpu/src/cuda/pyr_up.cu
index b14d124..ffb6276 100644
--- a/modules/gpu/src/cuda/pyr_up.cu
+++ b/modules/gpu/src/cuda/pyr_up.cu
@@ -166,6 +166,7 @@ namespace cv { namespace gpu { namespace device
         template void pyrUp_gpu<uchar3>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         template void pyrUp_gpu<uchar4>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
 
+#ifndef OPENCV_TINY_GPU_MODULE
         //template void pyrUp_gpu<schar>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrUp_gpu<char2>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrUp_gpu<char3>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
@@ -185,6 +186,7 @@ namespace cv { namespace gpu { namespace device
         //template void pyrUp_gpu<int2>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrUp_gpu<int3>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrUp_gpu<int4>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
+#endif
 
         template void pyrUp_gpu<float>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
         //template void pyrUp_gpu<float2>(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
diff --git a/modules/gpu/src/pyramids.cpp b/modules/gpu/src/pyramids.cpp
index 85fb990..b4d4676 100644
--- a/modules/gpu/src/pyramids.cpp
+++ b/modules/gpu/src/pyramids.cpp
@@ -68,6 +68,17 @@ void cv::gpu::pyrDown(const GpuMat& src, GpuMat& dst, Stream& stream)
 
     typedef void (*func_t)(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
 
+#ifdef OPENCV_TINY_GPU_MODULE
+    static const func_t funcs[6][4] =
+    {
+        {pyrDown_gpu<uchar>      , 0 /*pyrDown_gpu<uchar2>*/ , pyrDown_gpu<uchar3>      , pyrDown_gpu<uchar4>      },
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {pyrDown_gpu<float>      , 0 /*pyrDown_gpu<float2>*/ , pyrDown_gpu<float3>      , pyrDown_gpu<float4>      }
+    };
+#else
     static const func_t funcs[6][4] =
     {
         {pyrDown_gpu<uchar>      , 0 /*pyrDown_gpu<uchar2>*/ , pyrDown_gpu<uchar3>      , pyrDown_gpu<uchar4>      },
@@ -77,6 +88,7 @@ void cv::gpu::pyrDown(const GpuMat& src, GpuMat& dst, Stream& stream)
         {0 /*pyrDown_gpu<int>*/  , 0 /*pyrDown_gpu<int2>*/   , 0 /*pyrDown_gpu<int3>*/  , 0 /*pyrDown_gpu<int4>*/  },
         {pyrDown_gpu<float>      , 0 /*pyrDown_gpu<float2>*/ , pyrDown_gpu<float3>      , pyrDown_gpu<float4>      }
     };
+#endif
 
     CV_Assert(src.depth() <= CV_32F && src.channels() <= 4);
 
@@ -106,6 +118,17 @@ void cv::gpu::pyrUp(const GpuMat& src, GpuMat& dst, Stream& stream)
 
     typedef void (*func_t)(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
 
+#ifdef OPENCV_TINY_GPU_MODULE
+    static const func_t funcs[6][4] =
+    {
+        {pyrUp_gpu<uchar>      , 0 /*pyrUp_gpu<uchar2>*/ , pyrUp_gpu<uchar3>      , pyrUp_gpu<uchar4>      },
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {pyrUp_gpu<float>      , 0 /*pyrUp_gpu<float2>*/ , pyrUp_gpu<float3>      , pyrUp_gpu<float4>      }
+    };
+#else
     static const func_t funcs[6][4] =
     {
         {pyrUp_gpu<uchar>      , 0 /*pyrUp_gpu<uchar2>*/ , pyrUp_gpu<uchar3>      , pyrUp_gpu<uchar4>      },
@@ -115,6 +138,7 @@ void cv::gpu::pyrUp(const GpuMat& src, GpuMat& dst, Stream& stream)
         {0 /*pyrUp_gpu<int>*/  , 0 /*pyrUp_gpu<int2>*/   , 0 /*pyrUp_gpu<int3>*/  , 0 /*pyrUp_gpu<int4>*/  },
         {pyrUp_gpu<float>      , 0 /*pyrUp_gpu<float2>*/ , pyrUp_gpu<float3>      , pyrUp_gpu<float4>      }
     };
+#endif
 
     CV_Assert(src.depth() <= CV_32F && src.channels() <= 4);
 
-- 
2.7.4