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CMake: Make X11 and EGL optional
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Stenzek
parent
0559311f92
commit
c95802afeb
54
CMake/FindEGL.cmake
Normal file
54
CMake/FindEGL.cmake
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@ -0,0 +1,54 @@
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# from https://raw.githubusercontent.com/WebKit/webkit/master/Source/cmake/FindEGL.cmake
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# - Try to Find EGL
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# Once done, this will define
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#
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# EGL_FOUND - system has EGL installed.
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# EGL_INCLUDE_DIRS - directories which contain the EGL headers.
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# EGL_LIBRARIES - libraries required to link against EGL.
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# EGL_DEFINITIONS - Compiler switches required for using EGL.
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#
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# Copyright (C) 2012 Intel Corporation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
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# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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find_package(PkgConfig)
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pkg_check_modules(PC_EGL egl)
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if (PC_EGL_FOUND)
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set(EGL_DEFINITIONS ${PC_EGL_CFLAGS_OTHER})
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endif ()
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find_path(EGL_INCLUDE_DIRS NAMES EGL/egl.h
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HINTS ${PC_EGL_INCLUDEDIR} ${PC_EGL_INCLUDE_DIRS}
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)
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set(EGL_NAMES ${EGL_NAMES} egl EGL)
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find_library(EGL_LIBRARIES NAMES ${EGL_NAMES}
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HINTS ${PC_EGL_LIBDIR} ${PC_EGL_LIBRARY_DIRS}
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)
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(EGL DEFAULT_MSG EGL_INCLUDE_DIRS EGL_LIBRARIES)
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mark_as_advanced(EGL_INCLUDE_DIRS EGL_LIBRARIES)
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@ -414,18 +414,30 @@ if (OPENGL_GL)
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endif()
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if(ENABLE_X11)
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find_package(X11 REQUIRED)
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add_definitions(-DHAVE_X11=1)
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message(STATUS "X11 support enabled")
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check_lib(XRANDR xrandr Xrandr)
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if(XRANDR_FOUND)
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add_definitions(-DHAVE_XRANDR=1)
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find_package(X11)
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if(X11_FOUND)
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add_definitions(-DHAVE_X11=1)
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check_lib(XRANDR xrandr Xrandr)
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if(XRANDR_FOUND)
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add_definitions(-DHAVE_XRANDR=1)
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else()
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add_definitions(-DHAVE_XRANDR=0)
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endif()
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pkg_check_modules(X11_INPUT REQUIRED xi>=1.5.0)
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message(STATUS "X11 support enabled")
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else()
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add_definitions(-DHAVE_XRANDR=0)
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message(WARNING "X11 support enabled but not found. This build will not support X11.")
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endif()
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endif()
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pkg_check_modules(X11_INPUT REQUIRED xi>=1.5.0)
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if(ENABLE_EGL)
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find_package(EGL)
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if(EGL_FOUND)
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add_definitions(-DHAVE_EGL=1)
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message(STATUS "EGL OpenGL interface enabled")
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else()
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message(WARNING "EGL support enabled but not found. This build will not support EGL.")
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endif()
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endif()
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if(ENCODE_FRAMEDUMPS)
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@ -451,11 +463,6 @@ if(OPROFILING)
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endif()
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endif()
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if(ENABLE_EGL)
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message(STATUS "EGL OpenGL interface enabled")
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add_definitions(-DUSE_EGL=1)
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endif()
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if(ENABLE_EVDEV)
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find_package(Libudev REQUIRED)
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find_package(Libevdev REQUIRED)
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@ -113,12 +113,15 @@ target_sources(common PRIVATE
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GL/GLContext.cpp
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)
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if(ENABLE_EGL)
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if(ENABLE_EGL AND EGL_FOUND)
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target_sources(common PRIVATE GL/GLInterface/EGL.cpp)
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if(ANDROID)
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target_sources(common PRIVATE GL/GLInterface/EGLAndroid.cpp)
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elseif(ENABLE_X11 AND X11_FOUND)
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target_sources(common PRIVATE GL/GLInterface/EGLX11.cpp)
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endif()
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target_link_libraries(common PUBLIC EGL)
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target_include_directories(common PRIVATE ${EGL_INCLUDE_DIRS})
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target_link_libraries(common PUBLIC ${EGL_LIBRARIES})
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endif()
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if(WIN32)
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@ -128,7 +131,7 @@ if(WIN32)
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)
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elseif(APPLE)
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target_sources(common PRIVATE GL/GLInterface/AGL.mm)
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elseif(ENABLE_X11)
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elseif(ENABLE_X11 AND X11_FOUND)
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target_sources(common PRIVATE
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GL/GLX11Window.cpp
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GL/GLInterface/GLX.cpp)
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@ -136,10 +139,6 @@ elseif(ENABLE_X11)
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# GLX has a hard dependency on libGL.
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# Make sure to link to it if using GLX.
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target_link_libraries(common PUBLIC ${OPENGL_LIBRARIES})
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if (ENABLE_EGL)
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target_sources(common PRIVATE GL/GLInterface/EGLX11.cpp)
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endif()
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endif()
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if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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@ -8,15 +8,21 @@
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#if defined(__APPLE__)
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#include "Common/GL/GLInterface/AGL.h"
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#elif defined(_WIN32)
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#endif
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#if defined(WIN32)
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#include "Common/GL/GLInterface/WGL.h"
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#elif defined(ANDROID)
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#include "Common/GL/GLInterface/EGLAndroid.h"
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#elif HAVE_X11
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#include "Common/GL/GLInterface/EGLX11.h"
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#endif
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#if HAVE_X11
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#include "Common/GL/GLInterface/GLX.h"
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#elif HAVE_EGL
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#endif
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#if HAVE_EGL
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#include "Common/GL/GLInterface/EGL.h"
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#if HAVE_X11
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#include "Common/GL/GLInterface/EGLX11.h"
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#endif
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#if defined(ANDROID)
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#include "Common/GL/GLInterface/EGLAndroid.h"
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#endif
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#endif
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GLContext::~GLContext() = default;
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@ -72,22 +78,39 @@ std::unique_ptr<GLContext> GLContext::Create(const WindowSystemInfo& wsi, bool s
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{
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std::unique_ptr<GLContext> context;
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#if defined(__APPLE__)
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context = std::make_unique<GLContextAGL>();
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#elif defined(_WIN32)
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context = std::make_unique<GLContextWGL>();
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#elif defined(ANDROID)
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context = std::make_unique<GLContextEGLAndroid>();
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#elif HAVE_X11
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// GLES is not supported via GLX?
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if (prefer_egl || prefer_gles)
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context = std::make_unique<GLContextEGLX11>();
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else
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context = std::make_unique<GLContextGLX>();
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#elif HAVE_EGL
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context = std::make_unique<GLContextEGL>();
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#else
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return nullptr;
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if (wsi.type == WindowSystemType::MacOS || wsi.type == WindowSystemType::Headless)
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context = std::make_unique<GLContextAGL>();
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#endif
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#if defined(_WIN32)
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if (wsi.type == WindowSystemType::Windows)
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context = std::make_unique<GLContextWGL>();
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#endif
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#if defined(ANDROID)
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if (wsi.type == WindowSystemType::Android)
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context = std::make_unique<GLContextEGLAndroid>();
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#endif
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#if HAVE_X11
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if (wsi.type == WindowSystemType::X11)
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{
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// GLES 3 is not supported via GLX.
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const bool use_egl = prefer_egl || prefer_gles;
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#if defined(HAVE_EGL)
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if (use_egl)
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context = std::make_unique<GLContextEGLX11>();
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else
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context = std::make_unique<GLContextGLX>();
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#else
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context = std::make_unique<GLContextGLX>();
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#endif
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}
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#endif
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#if HAVE_EGL
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if (wsi.type == WindowSystemType::Headless)
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context = std::make_unique<GLContextEGL>();
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#endif
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if (!context)
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return nullptr;
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// Option to prefer GLES on desktop platforms, useful for testing.
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if (prefer_gles)
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@ -24,7 +24,7 @@ if ((DEFINED CMAKE_ANDROID_ARCH_ABI AND CMAKE_ANDROID_ARCH_ABI MATCHES "x86|x86_
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target_link_libraries(uicommon PRIVATE bdisasm)
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endif()
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if(ENABLE_X11)
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if(ENABLE_X11 AND X11_FOUND)
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target_include_directories(uicommon PRIVATE ${X11_INCLUDE_DIR})
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target_sources(uicommon PRIVATE X11Utils.cpp)
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target_link_libraries(uicommon PUBLIC ${XRANDR_LIBRARIES})
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