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4842043c6a
Support OpenGL GTK3 New API #25822 Fixes #20001 GSoC2024 Project ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
56 lines
2.1 KiB
CMake
56 lines
2.1 KiB
CMake
# --- GTK ---
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ocv_clear_vars(HAVE_GTK HAVE_GTK2 HAVE_GTK3 HAVE_GTHREAD HAVE_GTKGLEXT)
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if(WITH_GTK)
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if(NOT WITH_GTK_2_X)
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ocv_check_modules(GTK3 gtk+-3.0)
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if(HAVE_GTK3)
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ocv_add_external_target(gtk3 "${GTK3_INCLUDE_DIRS}" "${GTK3_LIBRARIES}" "HAVE_GTK3;HAVE_GTK")
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set(HAVE_GTK TRUE)
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endif()
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endif()
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if((PROJECT_NAME STREQUAL "OpenCV" AND HIGHGUI_ENABLE_PLUGINS) OR NOT HAVE_GTK3)
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ocv_check_modules(GTK2 gtk+-2.0)
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if(HAVE_GTK2)
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set(MIN_VER_GTK "2.18.0")
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if(GTK2_VERSION VERSION_LESS MIN_VER_GTK)
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message(FATAL_ERROR "GTK support requires a minimum version of ${MIN_VER_GTK} (${GTK2_VERSION} found)")
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else()
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ocv_add_external_target(gtk2 "${GTK2_INCLUDE_DIRS}" "${GTK2_LIBRARIES}" "HAVE_GTK2;HAVE_GTK")
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set(HAVE_GTK TRUE)
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endif()
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endif()
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endif()
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ocv_check_modules(GTHREAD gthread-2.0>=2.32)
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if(HAVE_GTK AND NOT HAVE_GTHREAD)
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message(FATAL_ERROR "gthread not found. This library is required when building with GTK support")
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else()
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ocv_add_external_target(gthread "${GTHREAD_INCLUDE_DIRS}" "${GTHREAD_LIBRARIES}" "HAVE_GTHREAD")
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endif()
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if((WITH_OPENGL OR HAVE_OPENGL) AND (HAVE_GTK2 OR HAVE_GTK3))
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if(HAVE_GTK2)
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ocv_check_modules(GTKGLEXT gtkglext-1.0)
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if(HAVE_GTKGLEXT)
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# HACK for https://github.com/opencv/opencv/issues/20850
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# pkg-config reports some include directories that do not exist. Just filter them out.
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set(GTKGLEXT_INCLUDE_DIRS_EXISTS "")
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foreach(p ${GTKGLEXT_INCLUDE_DIRS})
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if (EXISTS "${p}")
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list(APPEND GTKGLEXT_INCLUDE_DIRS_EXISTS "${p}")
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endif()
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endforeach()
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ocv_add_external_target(gtkglext "${GTKGLEXT_INCLUDE_DIRS}" "${GTKGLEXT_LIBRARIES}" "HAVE_GTKGLEXT")
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endif()
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endif()
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endif()
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elseif(HAVE_GTK)
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ocv_add_external_target(gtk "${GTK_INCLUDE_DIRS}" "${GTK_LIBRARIES}" "${GTK_DEFINES};HAVE_GTK")
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endif()
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if(WITH_OPENGL)
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find_package(OpenGL QUIET)
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if(OPENGL_FOUND)
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set(HAVE_OPENGL TRUE)
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ocv_add_external_target(gtk_opengl "${OPENGL_INCLUDE_DIRS}" "${OPENGL_LIBRARIES}" "HAVE_OPENGL")
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endif()
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endif()
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