reduce bilateral filter instantiates for tiny build

modules/gpu/src/cuda/bilateral_filter.cu

@@ -149,6 +149,16 @@ namespace cv { namespace gpu { namespace device
         {
             typedef void (*caller_t)(const PtrStepSzb& src, PtrStepSzb dst, int kernel_size, float sigma_spatial, float sigma_color, cudaStream_t stream);
 
+#ifdef OPENCV_TINY_GPU_MODULE
+            static caller_t funcs[] =
+            {
+                bilateral_caller<T, BrdReflect101>,
+                bilateral_caller<T, BrdReplicate>,
+                0,
+                0,
+                0,
+            };
+#else
             static caller_t funcs[] =
             {
                 bilateral_caller<T, BrdReflect101>,
@@ -157,7 +167,13 @@ namespace cv { namespace gpu { namespace device
                 bilateral_caller<T, BrdReflect>,
                 bilateral_caller<T, BrdWrap>,
             };
-            funcs[borderMode](src, dst, kernel_size, gauss_spatial_coeff, gauss_color_coeff, stream);
+#endif
+
+            const caller_t caller = funcs[borderMode];
+            if (!caller)
+                cv::gpu::error("Unsupported input parameters for bilateral_filter", __FILE__, __LINE__, "");
+
+            caller(src, dst, kernel_size, gauss_spatial_coeff, gauss_color_coeff, stream);
         }
     }
 }}}
@@ -171,6 +187,7 @@ OCV_INSTANTIATE_BILATERAL_FILTER(uchar)
 OCV_INSTANTIATE_BILATERAL_FILTER(uchar3)
 OCV_INSTANTIATE_BILATERAL_FILTER(uchar4)
 
+#ifndef OPENCV_TINY_GPU_MODULE
 //OCV_INSTANTIATE_BILATERAL_FILTER(schar)
 //OCV_INSTANTIATE_BILATERAL_FILTER(schar2)
 //OCV_INSTANTIATE_BILATERAL_FILTER(schar3)
@@ -190,6 +207,7 @@ OCV_INSTANTIATE_BILATERAL_FILTER(ushort4)
 //OCV_INSTANTIATE_BILATERAL_FILTER(int2)
 //OCV_INSTANTIATE_BILATERAL_FILTER(int3)
 //OCV_INSTANTIATE_BILATERAL_FILTER(int4)
+#endif
 
 OCV_INSTANTIATE_BILATERAL_FILTER(float)
 //OCV_INSTANTIATE_BILATERAL_FILTER(float2)

modules/gpu/src/denoising.cpp

@@ -77,6 +77,17 @@ void cv::gpu::bilateralFilter(const GpuMat& src, GpuMat& dst, int kernel_size, f
 
     typedef void (*func_t)(const PtrStepSzb& src, PtrStepSzb dst, int kernel_size, float sigma_spatial, float sigma_color, int borderMode, cudaStream_t s);
 
+#ifdef OPENCV_TINY_GPU_MODULE
+    static const func_t funcs[6][4] =
+    {
+        {bilateral_filter_gpu<uchar>       , 0 /*bilateral_filter_gpu<uchar2>*/ , bilateral_filter_gpu<uchar3>       , bilateral_filter_gpu<uchar4>       },
+        {0 /*bilateral_filter_gpu<schar>*/ , 0 /*bilateral_filter_gpu<schar2>*/ , 0 /*bilateral_filter_gpu<schar3>*/ , 0 /*bilateral_filter_gpu<schar4>*/ },
+        {0 /*bilateral_filter_gpu<ushort>*/, 0 /*bilateral_filter_gpu<ushort2>*/, 0 /*bilateral_filter_gpu<ushort3>*/, 0 /*bilateral_filter_gpu<ushort4>*/},
+        {0 /*bilateral_filter_gpu<short>*/ , 0 /*bilateral_filter_gpu<short2>*/ , 0 /*bilateral_filter_gpu<short3>*/ , 0 /*bilateral_filter_gpu<short4>*/ },
+        {0 /*bilateral_filter_gpu<int>*/   , 0 /*bilateral_filter_gpu<int2>*/   , 0 /*bilateral_filter_gpu<int3>*/   , 0 /*bilateral_filter_gpu<int4>*/   },
+        {bilateral_filter_gpu<float>       , 0 /*bilateral_filter_gpu<float2>*/ , bilateral_filter_gpu<float3>       , bilateral_filter_gpu<float4>       }
+    };
+#else
     static const func_t funcs[6][4] =
     {
         {bilateral_filter_gpu<uchar>      , 0 /*bilateral_filter_gpu<uchar2>*/ , bilateral_filter_gpu<uchar3>      , bilateral_filter_gpu<uchar4>      },
@@ -86,6 +97,7 @@ void cv::gpu::bilateralFilter(const GpuMat& src, GpuMat& dst, int kernel_size, f
         {0 /*bilateral_filter_gpu<int>*/  , 0 /*bilateral_filter_gpu<int2>*/   , 0 /*bilateral_filter_gpu<int3>*/  , 0 /*bilateral_filter_gpu<int4>*/  },
         {bilateral_filter_gpu<float>      , 0 /*bilateral_filter_gpu<float2>*/ , bilateral_filter_gpu<float3>      , bilateral_filter_gpu<float4>      }
     };
+#endif
 
     sigma_color = (sigma_color <= 0 ) ? 1 : sigma_color;
     sigma_spatial = (sigma_spatial <= 0 ) ? 1 : sigma_spatial;