Merge pull request #6060 from alalek:fix_opencl_opengl_sharing_6052

cmake/checks/opencl.cpp

-#if defined __APPLE__
-#include <OpenCL/cl.h>
-#else
+// custom OpenCL headers are located in "CL" subfolder (3rdparty/include/...)
 #include <CL/cl.h>
-#endif
 
 #ifndef _MSC_VER
 #ifdef CL_VERSION_1_2

modules/core/include/opencv2/core/opencl/runtime/autogenerated/opencl_core.hpp

@@ -95,11 +95,7 @@
 #define clUnloadPlatformCompiler clUnloadPlatformCompiler_
 #define clWaitForEvents clWaitForEvents_
 
-#if defined __APPLE__
-#include <OpenCL/cl.h>
-#else
 #include <CL/cl.h>
-#endif
 
 // generated by parser_cl.py
 #undef clBuildProgram

modules/core/include/opencv2/core/opencl/runtime/autogenerated/opencl_gl.hpp

@@ -17,11 +17,7 @@
 #define clGetGLObjectInfo clGetGLObjectInfo_
 #define clGetGLTextureInfo clGetGLTextureInfo_
 
-#if defined __APPLE__
-#include <OpenCL/cl_gl.h>
-#else
 #include <CL/cl_gl.h>
-#endif
 
 // generated by parser_cl.py
 #undef clCreateFromGLBuffer
@@ -45,6 +41,8 @@
 #undef clGetGLTextureInfo
 #define clGetGLTextureInfo clGetGLTextureInfo_pfn
 
+#ifdef cl_khr_gl_sharing
+
 // generated by parser_cl.py
 extern CL_RUNTIME_EXPORT cl_mem (CL_API_CALL*clCreateFromGLBuffer)(cl_context, cl_mem_flags, cl_GLuint, int*);
 extern CL_RUNTIME_EXPORT cl_mem (CL_API_CALL*clCreateFromGLRenderbuffer)(cl_context, cl_mem_flags, cl_GLuint, cl_int*);
@@ -56,3 +54,5 @@ extern CL_RUNTIME_EXPORT cl_int (CL_API_CALL*clEnqueueReleaseGLObjects)(cl_comma
 extern CL_RUNTIME_EXPORT cl_int (CL_API_CALL*clGetGLContextInfoKHR)(const cl_context_properties*, cl_gl_context_info, size_t, void*, size_t*);
 extern CL_RUNTIME_EXPORT cl_int (CL_API_CALL*clGetGLObjectInfo)(cl_mem, cl_gl_object_type*, cl_GLuint*);
 extern CL_RUNTIME_EXPORT cl_int (CL_API_CALL*clGetGLTextureInfo)(cl_mem, cl_gl_texture_info, size_t, void*, size_t*);
+
+#endif // cl_khr_gl_sharing

modules/core/include/opencv2/core/opencl/runtime/autogenerated/opencl_gl_wrappers.hpp

@@ -5,6 +5,8 @@
 #error "Invalid usage"
 #endif
 
+#ifdef cl_khr_gl_sharing
+
 // generated by parser_cl.py
 #undef clCreateFromGLBuffer
 #define clCreateFromGLBuffer clCreateFromGLBuffer_fn
@@ -36,3 +38,5 @@ inline cl_int clGetGLObjectInfo(cl_mem p0, cl_gl_object_type* p1, cl_GLuint* p2)
 #undef clGetGLTextureInfo
 #define clGetGLTextureInfo clGetGLTextureInfo_fn
 inline cl_int clGetGLTextureInfo(cl_mem p0, cl_gl_texture_info p1, size_t p2, void* p3, size_t* p4) { return clGetGLTextureInfo_pfn(p0, p1, p2, p3, p4); }
+
+#endif // cl_khr_gl_sharing

modules/core/src/opencl/runtime/autogenerated/opencl_gl_impl.hpp

@@ -139,6 +139,8 @@ struct opencl_gl_fn14
 
 } // anonymous namespace
 
+#ifdef cl_khr_gl_sharing
+
 // generated by parser_cl.py
 cl_mem (CL_API_CALL*clCreateFromGLBuffer)(cl_context, cl_mem_flags, cl_GLuint, int*) =
         opencl_gl_fn4<OPENCL_GL_FN_clCreateFromGLBuffer, cl_mem, cl_context, cl_mem_flags, cl_GLuint, int*>::switch_fn;
@@ -196,3 +198,5 @@ static const struct DynamicFnEntry* opencl_gl_fn_list[] = {
 };
 
 // number of enabled functions: 10
+
+#endif // cl_khr_gl_sharing

modules/core/src/opencl/runtime/generator/common.py

@@ -254,6 +254,6 @@ def ProcessTemplate(inputFile, ctx, noteLine='//\n// AUTOGENERATED, DO NOT EDIT\
             assert line[-1] == '@'
             name = line[1:-1]
             assert ctx.has_key(name), name
-            line = ctx[name]
-        print line,
+            line = ctx[name] + ('\n' if len(ctx[name]) > 0 and ctx[name][-1] != '\n' else '')
+        sys.stdout.write(line)
     f.close()

modules/core/src/opencl/runtime/generator/template/opencl_core.hpp.in

@@ -4,11 +4,7 @@
 
 @CL_REMAP_ORIGIN@
 
-#if defined __APPLE__
-#include <OpenCL/cl.h>
-#else
 #include <CL/cl.h>
-#endif
 
 @CL_REMAP_DYNAMIC@
 

modules/core/src/opencl/runtime/generator/template/opencl_gl.hpp.in

@@ -4,12 +4,12 @@
 
 @CL_REMAP_ORIGIN@
 
-#if defined __APPLE__
-#include <OpenCL/cl_gl.h>
-#else
 #include <CL/cl_gl.h>
-#endif
 
 @CL_REMAP_DYNAMIC@
 
+#ifdef cl_khr_gl_sharing
+
 @CL_FN_DECLARATIONS@
+
+#endif // cl_khr_gl_sharing

modules/core/src/opencl/runtime/generator/template/opencl_gl_impl.hpp.in

@@ -4,8 +4,12 @@ namespace {
 @CL_FN_SWITCH@
 } // anonymous namespace
 
+#ifdef cl_khr_gl_sharing
+
 @CL_FN_ENTRY_DEFINITIONS@
 
 @CL_FN_ENTRY_LIST@
 
 @CL_NUMBER_OF_ENABLED_FUNCTIONS@
+
+#endif // cl_khr_gl_sharing

modules/core/src/opencl/runtime/generator/template/opencl_gl_wrappers.hpp.in

@@ -2,4 +2,8 @@
 #error "Invalid usage"
 #endif
 
+#ifdef cl_khr_gl_sharing
+
 @CL_FN_INLINE_WRAPPERS@
+
+#endif // cl_khr_gl_sharing

modules/core/src/opencl/runtime/opencl_core.cpp

@@ -286,6 +286,8 @@ static void* opencl_check_fn(int ID)
 
 #include "opencv2/core/opencl/runtime/opencl_gl.hpp"
 
+#ifdef cl_khr_gl_sharing
+
 static void* opencl_gl_check_fn(int ID);
 
 #include "autogenerated/opencl_gl_impl.hpp"
@@ -306,6 +308,8 @@ static void* opencl_gl_check_fn(int ID)
     return func;
 }
 
+#endif // cl_khr_gl_sharing
+
 #endif // HAVE_OPENGL
 
 #endif

modules/core/src/opengl.cpp

@@ -1580,6 +1580,11 @@ void cv::ogl::render(const ogl::Arrays& arr, InputArray indices, int mode, Scala
 
 #ifdef HAVE_OPENCL
 #  include "opencv2/core/opencl/runtime/opencl_gl.hpp"
+#  ifdef cl_khr_gl_sharing
+#    define HAVE_OPENCL_OPENGL_SHARING
+#  else
+#    define NO_OPENCL_SHARING_ERROR CV_ErrorNoReturn(cv::Error::StsBadFunc, "OpenCV was build without OpenCL/OpenGL sharing support")
+#  endif
 #else // HAVE_OPENCL
 #  define NO_OPENCL_SUPPORT_ERROR CV_ErrorNoReturn(cv::Error::StsBadFunc, "OpenCV was build without OpenCL support")
 #endif // HAVE_OPENCL
@@ -1602,6 +1607,8 @@ Context& initializeContextFromGL()
     NO_OPENGL_SUPPORT_ERROR;
 #elif !defined(HAVE_OPENCL)
     NO_OPENCL_SUPPORT_ERROR;
+#elif !defined(HAVE_OPENCL_OPENGL_SHARING)
+    NO_OPENCL_SHARING_ERROR;
 #else
     cl_uint numPlatforms;
     cl_int status = clGetPlatformIDs(0, NULL, &numPlatforms);
@@ -1701,6 +1708,8 @@ void convertToGLTexture2D(InputArray src, Texture2D& texture)
     NO_OPENGL_SUPPORT_ERROR;
 #elif !defined(HAVE_OPENCL)
     NO_OPENCL_SUPPORT_ERROR;
+#elif !defined(HAVE_OPENCL_OPENGL_SHARING)
+    NO_OPENCL_SHARING_ERROR;
 #else
     Size srcSize = src.size();
     CV_Assert(srcSize.width == (int)texture.cols() && srcSize.height == (int)texture.rows());
@@ -1753,6 +1762,8 @@ void convertFromGLTexture2D(const Texture2D& texture, OutputArray dst)
     NO_OPENGL_SUPPORT_ERROR;
 #elif !defined(HAVE_OPENCL)
     NO_OPENCL_SUPPORT_ERROR;
+#elif !defined(HAVE_OPENCL_OPENGL_SHARING)
+    NO_OPENCL_SHARING_ERROR;
 #else
     // check texture format
     const int dtype = CV_8UC4;
@@ -1812,6 +1823,8 @@ UMat mapGLBuffer(const Buffer& buffer, int accessFlags)
     NO_OPENGL_SUPPORT_ERROR;
 #elif !defined(HAVE_OPENCL)
     NO_OPENCL_SUPPORT_ERROR;
+#elif !defined(HAVE_OPENCL_OPENGL_SHARING)
+    NO_OPENCL_SHARING_ERROR;
 #else
     using namespace cv::ocl;
     Context& ctx = Context::getDefault();
@@ -1862,6 +1875,8 @@ void unmapGLBuffer(UMat& u)
     NO_OPENGL_SUPPORT_ERROR;
 #elif !defined(HAVE_OPENCL)
     NO_OPENCL_SUPPORT_ERROR;
+#elif !defined(HAVE_OPENCL_OPENGL_SHARING)
+    NO_OPENCL_SHARING_ERROR;
 #else
     using namespace cv::ocl;
     cl_command_queue clQueue = (cl_command_queue)Queue::getDefault().ptr();