gstgl_dep = dependency('', required : false) gstglproto_dep = dependency('', required : false) gstglx11_dep = dependency('', required : false) gstglwayland_dep = dependency('', required : false) gstglegl_dep = dependency('', required : false) if get_option('gl').disabled() message('GStreamer OpenGL integration disabled via options.') build_gstgl = false subdir_done() endif gl_sources = files([ 'gstglapi.c', 'gstglbasefilter.c', 'gstglbasememory.c', 'gstglbasesrc.c', 'gstglcolorconvert.c', 'gstglbuffer.c', 'gstglbufferpool.c', 'gstglcontext.c', 'gstglcontextconfig.c', 'gstglcontextquirks.c', 'gstgldebug.c', 'gstgldisplay.c', 'gstglfeature.c', 'gstglfilter.c', 'gstglformat.c', 'gstglframebuffer.c', 'gstglmemory.c', 'gstglmemorypbo.c', 'gstgloverlaycompositor.c', 'gstglquery.c', 'gstglrenderbuffer.c', 'gstglshader.c', 'gstglshaderstrings.c', 'gstglsl.c', 'gstglslstage.c', 'gstglsyncmeta.c', 'gstglupload.c', 'gstglutils.c', 'gstglviewconvert.c', 'gstglwindow.c', ]) gl_priv_sources = [] gir_gl_headers = files([ 'gl.h', 'gl-prelude.h', 'gstgl_enums.h', 'gstgl_fwd.h', 'gstglapi.h', 'gstglbasefilter.h', 'gstglbasememory.h', 'gstglbasesrc.h', 'gstglbuffer.h', 'gstglbufferpool.h', 'gstglcolorconvert.h', 'gstglcontext.h', 'gstglcontextconfig.h', 'gstgldebug.h', 'gstgldisplay.h', 'gstglfeature.h', 'gstglfilter.h', 'gstglformat.h', 'gstglframebuffer.h', 'gstglmemory.h', 'gstglmemorypbo.h', 'gstgloverlaycompositor.h', 'gstglquery.h', 'gstglrenderbuffer.h', 'gstglshader.h', 'gstglshaderstrings.h', 'gstglsl.h', 'gstglslstage.h', 'gstglsyncmeta.h', 'gstglupload.h', 'gstglutils.h', 'gstglviewconvert.h', 'gstglwindow.h', ]) gl_headers = gir_gl_headers + files([ 'gstglfuncs.h', ]) gl_prototype_headers = files([ 'glprototypes/all_functions.h', 'glprototypes/base.h', 'glprototypes/buffer_storage.h', 'glprototypes/blending.h', 'glprototypes/buffers.h', 'glprototypes/debug.h', 'glprototypes/eglimage.h', 'glprototypes/fbo.h', 'glprototypes/fixedfunction.h', 'glprototypes/gles.h', 'glprototypes/gstgl_compat.h', 'glprototypes/gstgl_gles2compat.h', 'glprototypes/opengl.h', 'glprototypes/query.h', 'glprototypes/shaders.h', 'glprototypes/sync.h', 'glprototypes/vao.h', ]) gl_x11_sources = [] gl_x11_headers = [] gl_wayland_sources = [] gl_wayland_headers = [] gl_egl_sources = [] gl_egl_headers = [] glconf = configuration_data() glconf_options = [ 'GST_GL_HAVE_OPENGL', 'GST_GL_HAVE_GLES2', 'GST_GL_HAVE_GLES3', 'GST_GL_HAVE_GLES3EXT3_H', 'GST_GL_HAVE_WINDOW_X11', 'GST_GL_HAVE_WINDOW_COCOA', 'GST_GL_HAVE_WINDOW_WIN32', 'GST_GL_HAVE_WINDOW_WINRT', 'GST_GL_HAVE_WINDOW_WAYLAND', 'GST_GL_HAVE_WINDOW_ANDROID', 'GST_GL_HAVE_WINDOW_DISPMANX', 'GST_GL_HAVE_WINDOW_EAGL', 'GST_GL_HAVE_WINDOW_VIV_FB', 'GST_GL_HAVE_WINDOW_GBM', 'GST_GL_HAVE_PLATFORM_EGL', 'GST_GL_HAVE_PLATFORM_GLX', 'GST_GL_HAVE_PLATFORM_WGL', 'GST_GL_HAVE_PLATFORM_CGL', 'GST_GL_HAVE_PLATFORM_EAGL', 'GST_GL_HAVE_DMABUF', 'GST_GL_HAVE_VIV_DIRECTVIV', 'GST_GL_HAVE_GLEGLIMAGEOES', 'GST_GL_HAVE_GLCHAR', 'GST_GL_HAVE_GLSIZEIPTR', 'GST_GL_HAVE_GLINTPTR', 'GST_GL_HAVE_GLSYNC', 'GST_GL_HAVE_GLUINT64', 'GST_GL_HAVE_GLINT64', 'GST_GL_HAVE_EGLATTRIB', 'GST_GL_HAVE_EGLUINT64KHR', ] foreach option : glconf_options glconf.set(option, 0) endforeach unneeded_dep = dependency('', required : false) if unneeded_dep.found() error ('Found unfindable dependency') endif # OpenGL/GLES2 libraries gl_lib_deps = [] # GL platform - EGL, GLX, CGL, WGL, etc gl_platform_deps = [] # GL winsys - wayland, X11, Cocoa, win32, etc gl_winsys_deps = [] # other things we need. gl_misc_deps = [] # Other preprocessor arguments gl_cpp_args = [] gl_includes = [] gl_objc_args = [] enabled_gl_apis = [] enabled_gl_platforms = [] enabled_gl_winsys = [] # parse provided options libegl_module_name = get_option('egl_module_name') if libegl_module_name != '' gl_cpp_args += ['-DGST_GL_LIBEGL_MODULE_NAME="@0@"'.format(libegl_module_name)] endif libgles2_module_name = get_option('gles2_module_name') if libgles2_module_name != '' gl_cpp_args += ['-DGST_GL_LIBGLESV2_MODULE_NAME="@0@"'.format(libgles2_module_name)] endif libgl_module_name = get_option('opengl_module_name') if libgl_module_name != '' gl_cpp_args += ['-DGST_GL_LIBGL_MODULE_NAME="@0@"'.format(libgl_module_name)] endif gl_apis = get_option('gl_api') if gl_apis.contains('auto') need_api_opengl = 'auto' need_api_gles2 = 'auto' else need_api_opengl = 'no' need_api_gles2 = 'no' foreach api : gl_apis if api == 'opengl' need_api_opengl = 'yes' elif api == 'gles2' need_api_gles2 = 'yes' else error('Unsupported GL api provided ' + api) endif endforeach endif gl_platforms = get_option('gl_platform') if gl_platforms.contains('auto') need_platform_egl = 'auto' need_platform_glx = 'auto' need_platform_cgl = 'auto' need_platform_wgl = 'auto' need_platform_eagl = 'auto' else need_platform_egl = 'no' need_platform_glx = 'no' need_platform_cgl = 'no' need_platform_wgl = 'no' need_platform_eagl = 'no' foreach platform : gl_platforms if platform == 'egl' need_platform_egl = 'yes' elif platform == 'glx' need_platform_glx = 'yes' elif platform == 'cgl' need_platform_cgl = 'yes' elif platform == 'wgl' need_platform_wgl = 'yes' elif platform == 'eagl' need_platform_eagl = 'yes' else error('Unsupported GL platform provided ' + platform) endif endforeach endif gl_winsys = get_option('gl_winsys') if gl_winsys.contains('auto') need_win_x11 = 'auto' need_win_wayland = 'auto' need_win_win32 = 'auto' need_win_winrt = 'auto' need_win_cocoa = 'auto' need_win_egl = 'auto' need_win_eagl = 'auto' need_win_dispmanx = 'auto' need_win_viv_fb = 'auto' need_win_gbm = 'auto' need_win_android = 'auto' else need_win_x11 = 'no' need_win_wayland = 'no' need_win_win32 = 'no' need_win_winrt = 'no' need_win_cocoa = 'no' need_win_egl = 'no' need_win_eagl = 'no' need_win_dispmanx = 'no' need_win_viv_fb = 'no' need_win_gbm = 'no' need_win_android = 'no' foreach winsys : gl_winsys if winsys == 'x11' need_win_x11 = 'yes' elif winsys == 'wayland' need_win_wayland = 'yes' elif winsys == 'win32' need_win_win32 = 'yes' elif winsys == 'winrt' need_win_winrt = 'yes' elif winsys == 'cocoa' need_win_cocoa = 'yes' elif winsys == 'egl' need_win_egl = 'yes' elif winsys == 'eagl' need_win_eagl = 'yes' elif winsys == 'dispmanx' need_win_dispmanx = 'yes' elif winsys == 'viv-fb' need_win_viv_fb = 'yes' elif winsys == 'gbm' need_win_gbm = 'yes' elif winsys == 'android' need_win_android = 'yes' else error('Unsupported GL winsys provided ' + winsys) endif endforeach endif gl_include_header = ''' #ifdef __GNUC__ # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wredundant-decls" #endif #ifndef GL_GLEXT_PROTOTYPES #define GL_GLEXT_PROTOTYPES 1 #endif ''' # convoluted way of getting at the subproject taking into account the wrap-mode # so we don't download a subproject unless allowed gl_header_dep = dependency('', fallback : ['gl-headers', 'gl_headers_dummy_dep'], required : false) if gl_header_dep.type_name() == 'internal' # this will only contain the includes of headers that are not found compat_includes = subproject('gl-headers').get_variable('compatibility_includes') else compat_includes = [] endif # Desktop OpenGL checks gl_dep = unneeded_dep glx_dep = unneeded_dep # (GLVND) OpenGL (without GLX) headers and interface if need_api_opengl != 'no' gl_dep = dependency('opengl', method: 'pkg-config', required : false) endif # non-GLVND aka Legacy OpenGL if need_api_opengl != 'no' and not gl_dep.found() if host_system == 'darwin' gl_dep = dependency('appleframeworks', modules : ['OpenGL'], required : false) else # override meson's braindead gl detection on osx/windows/etc by forcing pkg-config gl_dep = dependency('gl', method: 'pkg-config', required : false) endif if not gl_dep.found() if host_system == 'windows' gl_dep = cc.find_library('opengl32', required : false) else gl_dep = cc.find_library('GL', required : false) endif if not cc.has_header('GL/gl.h', include_directories : compat_includes) gl_dep = unneeded_dep endif if not gl_dep.found() and need_api_opengl == 'yes' error ('Could not find requested OpenGL library') endif if gl_dep.found() gl_includes += [compat_includes] endif endif endif if need_platform_glx != 'no' # (GLVND) GLX library and headers. glx_dep = dependency('glx', method: 'pkg-config', required : false) if not glx_dep.found() if host_system == 'darwin' glx_dep = cc.find_library('GL', required : false) elif gl_dep.found() glx_dep = gl_dep elif need_platform_glx == 'yes' error ('Could not find requested GLX library') endif endif endif if need_api_opengl != 'no' opengl_includes = '' if host_system == 'darwin' opengl_includes += ''' #if !defined(MAC_OS_X_VERSION_MAX_ALLOWED) || MAC_OS_X_VERSION_MAX_ALLOWED >= 1014 # define GL_SILENCE_DEPRECATION #endif #include #include #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 # define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED # include #endif ''' else opengl_includes += ''' #if _MSC_VER # include #endif #include #if __WIN32__ || _WIN32 # include #endif ''' endif endif bcm_host_dep = unneeded_dep if need_win_dispmanx != 'no' # Try pkg-config for bcm_host then fallback to find_library to also # support older distribution bcm_host_dep = dependency('bcm_host', required : false) if not bcm_host_dep.found() bcm_host_dep = cc.find_library('bcm_host', required : false) endif endif # GLES2 checks gles2_dep = unneeded_dep gles3_h = false gles3ext3_h = false if need_api_gles2 != 'no' if host_system == 'ios' gles2_dep = dependency('appleframeworks', modules : ['OpenGLES'], required : false) else if bcm_host_dep.found() gles2_dep = dependency('brcmglesv2', required : false) endif if not gles2_dep.found() gles2_dep = dependency('glesv2', required : false) endif endif if not gles2_dep.found() # if host_system == 'windows' # elif host_system == ios # gles2_dep = cc.find_library('GLESv2', required : false) # else gles2_dep = cc.find_library('GLESv2', required : false) # endif if not cc.has_header('GLES2/gl2.h', include_directories : compat_includes) gles2_dep = unneeded_dep endif if not gles2_dep.found() and need_api_gles2 == 'yes' error ('Could not find requested OpenGL ES library') endif if gles2_dep.found() gl_includes += [compat_includes] endif endif gles3_h = gles2_dep.found() and cc.has_header('GLES3/gl3.h', dependencies : gles2_dep, include_directories : compat_includes) gles_includes = '' if host_system == 'ios' gles_includes += ''' # include # include ''' else if gles3_h gl_includes += [compat_includes] gles3ext3_h = gles3_h and cc.has_header('GLES3/gl3ext.h', dependencies : gles2_dep, include_directories : compat_includes) gles_includes += ''' # include # include ''' if gles3ext3_h gles_includes += ''' # include ''' endif else gles_includes += ''' # include # include ''' endif endif endif # can we include both gles2 and opengl headers? if gles2_dep.found() and gl_dep.found() gl_include_block = gl_include_header + gles_includes + opengl_includes # TODO: Revert to passing gl_include_block via prefix: once # https://github.com/mesonbuild/meson/issues/2364 is fixed if not cc.compiles(gl_include_block + '\n' + 'void f (void) {}',dependencies : [gles2_dep, gl_dep], include_directories : compat_includes) message ('Cannot include both OpenGL and OpenGL ES headers') if need_api_gles2 != 'yes' gles2_dep = unneeded_dep elif need_api_opengl != 'yes' gl_dep = unneeded_dep else error('Both OpenGL and OpenGL ES were requested but cannot be included together') endif endif endif gl_include_block = gl_include_header if gles2_dep.found() gl_include_block += gles_includes endif if gl_dep.found() gl_include_block += opengl_includes endif if gles2_dep.found() gl_lib_deps += gles2_dep glconf.set('GST_GL_HAVE_GLES2', 1) if gles3_h glconf.set('GST_GL_HAVE_GLES3',1) if gles3ext3_h glconf.set('GST_GL_HAVE_GLES3EXT3_H', 1) endif endif enabled_gl_apis += 'gles2' endif if gl_dep.found() gl_lib_deps += gl_dep glconf.set('GST_GL_HAVE_OPENGL', 1) enabled_gl_apis += 'gl' endif # EGL checks egl_dep = unneeded_dep if need_platform_egl != 'no' if bcm_host_dep.found() egl_dep = dependency('brcmegl', required : false) endif if not egl_dep.found() egl_dep = dependency('egl', required : false) endif if not egl_dep.found() egl_dep = cc.find_library('EGL', required : false) endif if egl_dep.found() and not cc.has_header('EGL/egl.h', dependencies : egl_dep, include_directories : compat_includes) egl_dep = unneeded_dep endif if egl_dep.found() and not cc.has_header('EGL/eglext.h', dependencies : egl_dep, include_directories : compat_includes) egl_dep = unneeded_dep endif if egl_dep.found() gl_egl_sources += files([ 'egl/gstegl.c', 'egl/gsteglimage.c', 'egl/gstglcontext_egl.c', 'egl/gstgldisplay_egl.c', 'egl/gstglmemoryegl.c', 'egl/gstgldisplay_egl_device.c', ]) gl_egl_headers += files([ 'egl/egl.h', 'egl/gstegl.h', 'egl/gsteglimage.h', 'egl/gstgldisplay_egl.h', 'egl/gstglmemoryegl.h', 'egl/gstgldisplay_egl_device.h', ]) gl_platform_deps += egl_dep glconf.set('GST_GL_HAVE_PLATFORM_EGL', 1) if cc.has_header('libdrm/drm_fourcc.h') gl_misc_deps += allocators_dep glconf.set('GST_GL_HAVE_DMABUF', 1) endif egl_includes = ''' #include #include ''' enabled_gl_platforms += 'egl' elif need_platform_egl == 'yes' error ('Could not find requested EGL library') endif endif # winsys_egl checks if need_win_egl == 'yes' if need_platform_egl == 'no' error('Impossible situation requested: Cannot use Winsys egl without EGL support') elif not egl_dep.found() error ('Could not find EGL libraries for Winsys egl') else enabled_gl_winsys += 'egl' endif endif # wayland checks wayland_client_dep = unneeded_dep wayland_cursor_dep = unneeded_dep wayland_egl_dep = unneeded_dep if need_win_wayland != 'no' if need_win_wayland == 'yes' if need_platform_egl == 'no' error('Impossible situation requested: Cannot use Wayland without EGL support') endif endif if not egl_dep.found() if need_win_wayland == 'yes' error ('Could not find EGL libraries for wayland') else message ('Could not find EGL libraries for wayland') endif else wayland_client_dep = dependency('wayland-client', version : '>= 1.11', required : false) wayland_cursor_dep = dependency('wayland-cursor', version : '>= 1.0', required : false) wayland_egl_dep = dependency('wayland-egl', version : '>= 1.0', required : false) wayland_protocols_dep = dependency('wayland-protocols', version : '>= 1.15', required : false) wayland_scanner = find_program('wayland-scanner', required: false) if wayland_client_dep.found() and wayland_cursor_dep.found() and wayland_egl_dep.found() and wayland_protocols_dep.found() and wayland_scanner.found() # Generate the XDG shell interface wayland_protocols_basedir = wayland_protocols_dep.get_variable('pkgdatadir') xdg_shell_xml_spec = join_paths(wayland_protocols_basedir, 'stable', 'xdg-shell', 'xdg-shell.xml') xdg_shell_header = custom_target('xdg-shell-client-header', command: [ wayland_scanner, 'client-header', '@INPUT@', '@OUTPUT@' ], input: xdg_shell_xml_spec, output: 'xdg-shell-client-protocol.h', ) xdg_shell_code = custom_target('xdg-shell-client-code', command: [ wayland_scanner, 'private-code', '@INPUT@', '@OUTPUT@' ], input: xdg_shell_xml_spec, output: 'xdg-shell-client-protocol.c', ) gl_wayland_sources += files([ 'wayland/gstgldisplay_wayland.c', ]) gl_priv_sources += [ 'wayland/gstglwindow_wayland_egl.c', 'wayland/wayland_event_source.c', xdg_shell_header, xdg_shell_code, ] gl_wayland_headers += files([ 'wayland/wayland.h', 'wayland/gstgldisplay_wayland.h' ]) glconf.set('GST_GL_HAVE_WINDOW_WAYLAND', 1) gl_winsys_deps += [wayland_client_dep, wayland_cursor_dep, wayland_egl_dep] enabled_gl_winsys += 'wayland' else if need_win_wayland == 'yes' error ('Could not find requested Wayland libraries') endif wayland_client_dep = unneeded_dep wayland_cursor_dep = unneeded_dep wayland_egl_dep = unneeded_dep wayland_protocols_dep = unneeded_dep endif endif endif # X11 checks if need_platform_glx == 'yes' if need_win_x11 == 'no' error('Impossible situation requested: Cannot use GLX without X11 support') elif need_api_opengl == 'no' error('Impossible situation requested: Cannot use GLX without the OpenGL library') endif endif xcb_dep = unneeded_dep if need_win_x11 != 'no' xcb_dep = dependency('x11-xcb', required : false) if x11_dep.found() and xcb_dep.found() gl_x11_sources += files([ 'x11/gstgldisplay_x11.c', ]) gl_priv_sources += [ 'x11/gstglwindow_x11.c', 'x11/xcb_event_source.c', ] gl_x11_headers += files([ 'x11/x11.h', 'x11/gstgldisplay_x11.h', ]) glconf.set('GST_GL_HAVE_WINDOW_X11', 1) gl_winsys_deps += [x11_dep, xcb_dep] enabled_gl_winsys += 'x11' if need_platform_glx != 'no' and glx_dep.found() and cc.has_function ('glXMakeCurrent', dependencies : glx_dep) glconf.set('GST_GL_HAVE_PLATFORM_GLX', 1) gl_priv_sources += [ 'x11/gstglcontext_glx.c', ] # GLX is in the opengl library on linux gl_platform_deps += glx_dep enabled_gl_platforms += 'glx' endif elif need_win_x11 == 'yes' error ('Could not find requested X11 libraries') endif endif if need_win_dispmanx != 'no' have_dispmanx_window_t = cc.has_type( 'EGL_DISPMANX_WINDOW_T', prefix: ''' #include #include ''', dependencies: [gl_lib_deps, egl_dep, bcm_host_dep], include_directories: gl_includes) if have_dispmanx_window_t and bcm_host_dep.found() if not egl_dep.found() error('dispmanx requires the use of egl') endif gl_priv_sources += [ 'dispmanx/gstglwindow_dispmanx_egl.c' ] glconf.set('GST_GL_HAVE_WINDOW_DISPMANX', 1) gl_winsys_deps += bcm_host_dep enabled_gl_winsys += 'dispmanx' gl_cpp_args += ['-DUSE_EGL_RPI'] elif need_win_dispmanx == 'yes' error('Could not find dispmanx libraries') endif endif # win32 checks if need_platform_wgl == 'yes' if need_win_win32 == 'no' error('Impossible situation requested: Cannot use WGL without the win32 window system') endif endif if host_system == 'windows' and need_win_win32 != 'no' gdi_dep = cc.find_library('gdi32', required : false) if gdi_dep.found() have_wgl = false have_egl_win32 = false if need_platform_wgl != 'no' wglext_h = cc.has_header('GL/wglext.h', prefix : '''#include #include ''', include_directories : compat_includes) have_wgl = wglext_h and gl_dep.found() endif have_egl_win32 = enabled_gl_platforms.contains('egl') and gles2_dep.found() if have_wgl or have_egl_win32 gl_includes += [compat_includes] gl_platform_deps += gdi_dep gl_priv_sources += [ 'win32/gstglwindow_win32.c', ] enabled_gl_winsys += 'win32' gl_winsys_deps += gdi_dep glconf.set('GST_GL_HAVE_WINDOW_WIN32', 1) endif if have_wgl gl_priv_sources += [ 'wgl/gstglcontext_wgl.c', ] enabled_gl_platforms += 'wgl' glconf.set('GST_GL_HAVE_PLATFORM_WGL', 1) endif endif endif # WinRT ANGLE checks if need_win_winrt != 'no' and host_system == 'windows' if need_win_winrt == 'yes' and not enabled_gl_platforms.contains('egl') error('Impossible situation requested: Cannot use WinRT ANGLE without EGL support') endif if egl_dep.found() windows_graphics_h = cc.has_header('windows.graphics.h') windows_app_dep = cc.find_library('WindowsApp', required: false) runtimeobject_lib = cc.find_library('runtimeobject', required: false) if windows_graphics_h and windows_app_dep.found() and runtimeobject_lib.found() enabled_gl_winsys += 'winrt' glconf.set('GST_GL_HAVE_WINDOW_WINRT', 1) gl_priv_sources += [ 'winrt/gstglwindow_winrt_egl.cpp' ] gl_winsys_deps += runtimeobject_lib elif need_win_winrt == 'yes' error('WinRT is enabled, but headers/libraries were not found') endif elif need_win_winrt == 'yes' error('WinRT ANGLE is enabled, but EGL was not found') else message('WinRT ANGLE disabled because EGL was not found') endif endif if ['darwin', 'ios'].contains(host_system) if not have_objc error('No ObjC compiler found') endif objc = meson.get_compiler('objc') if not objc.has_argument('-fobjc-arc') error('ARC is required for building') endif gl_objc_args += ['-fobjc-arc'] endif # OSX check if need_platform_cgl == 'yes' if need_win_cocoa == 'no' error('Impossible situation requested: Cannot use CGL without Cocoa support') elif need_api_opengl == 'no' error('Impossible situation requested: Cannot use CGL without the OpenGL library') endif elif need_platform_cgl == 'no' and need_win_cocoa == 'yes' error('Impossible situation requested: Cannot use Cocoa without CGL support') endif if host_system == 'darwin' foundation_dep = dependency('appleframeworks', modules : ['Foundation'], required : false) quartzcore_dep = dependency('appleframeworks', modules : ['QuartzCore'], required : false) corefoundation_dep = dependency('appleframeworks', modules : ['CoreFoundation'], required : false) if need_platform_cgl != 'no' if foundation_dep.found() and quartzcore_dep.found() and corefoundation_dep.found() gl_platform_deps += [quartzcore_dep, corefoundation_dep, foundation_dep] enabled_gl_platforms += 'cgl' glconf.set('GST_GL_HAVE_PLATFORM_CGL', 1) if need_win_cocoa != 'no' cocoa_dep = dependency('appleframeworks', modules : ['Cocoa'], required : false) if cocoa_dep.found() gl_priv_sources += [ 'cocoa/gstglcaopengllayer.m', 'cocoa/gstglcontext_cocoa.m', 'cocoa/gstgldisplay_cocoa.m', 'cocoa/gstglwindow_cocoa.m' ] gl_winsys_deps += cocoa_dep enabled_gl_winsys += 'cocoa' glconf.set('GST_GL_HAVE_WINDOW_COCOA', 1) elif need_win_cocoa == 'yes' error('Could not find Cocoa') endif endif elif need_platform_cgl == 'yes' error('Could not find CGL dependencies') endif endif endif if need_platform_eagl == 'yes' if host_system != 'ios' error('Can only use EAGL on iOS') endif if need_win_eagl == 'no' error('Impossible situation requested: Cannot use EAGL platform without the EAGL window system') elif need_api_gles == 'no' error('Impossible situation requested: Cannot use EAGL platform without the GLES library') endif elif need_platform_eagl == 'no' and need_win_eagl == 'yes' error('Impossible situation requested: Cannot use EAGL window system without the EAGL platform') endif if host_system == 'ios' and need_platform_eagl != 'no' and need_win_eagl != 'no' foundation_dep = dependency('appleframeworks', modules : ['Foundation'], required : false) corefoundation_dep = dependency('appleframeworks', modules : ['CoreFoundation'], required : false) coregraphics_dep = dependency('appleframeworks', modules : ['CoreGraphics'], required : false) quartzcore_dep = dependency('appleframeworks', modules : ['QuartzCore'], required : false) uikit_dep = dependency('appleframeworks', modules : ['UIkit'], required : false) if foundation_dep.found() and corefoundation_dep.found() and coregraphics_dep.found() and quartzcore_dep.found() and uikit_dep.found() gl_platform_deps += [ corefoundation_dep, foundation_dep, coregraphics_dep, quartzcore_dep, uikit_dep, ] gl_priv_sources += [ 'eagl/gstglcontext_eagl.m', 'eagl/gstglwindow_eagl.m', ] enabled_gl_winsys += 'eagl' enabled_gl_platforms += 'eagl' glconf.set('GST_GL_HAVE_WINDOW_EAGL', 1) glconf.set('GST_GL_HAVE_PLATFORM_EAGL', 1) elif need_platform_eagl == 'yes' or need_win_eagl == 'yes' error('Could not find dependencies for EAGL') endif endif # GBM Checks gbm_gudev_dep = unneeded_dep gbm_libdrm_dep = unneeded_dep gbm_dep = unneeded_dep if need_win_gbm != 'no' if need_win_gbm == 'yes' if need_platform_egl == 'no' error('Impossible situation requested: Cannot use GBM without EGL support') endif endif gbm_gudev_dep = dependency('gudev-1.0', version : '>=147', required : false) gbm_libdrm_dep = dependency('libdrm', version : '>= 2.4.55', required : false) gbm_dep = dependency('gbm', required : false) if egl_dep.found() and gbm_gudev_dep.found() and gbm_libdrm_dep.found() and gbm_dep.found() gl_priv_sources += [ 'gbm/gstgldisplay_gbm.c', 'gbm/gstgl_gbm_utils.c', 'gbm/gstglwindow_gbm_egl.c', ] enabled_gl_winsys += 'gbm' gl_winsys_deps += [gbm_gudev_dep, gbm_libdrm_dep, gbm_dep] glconf.set('GST_GL_HAVE_WINDOW_GBM', 1) else if need_win_gbm == 'yes' error ('Could not find requested GBM libraries') endif gbm_gudev_dep = unneeded_dep gbm_libdrm_dep = unneeded_dep gbm_dep = unneeded_dep endif endif if need_platform_egl != 'no' and need_win_viv_fb != 'no' if egl_dep.found() and cc.has_function ('fbGetDisplay', dependencies : egl_dep) if cc.has_function ('glTexDirectVIV', dependencies : gles2_dep) enabled_gl_winsys += 'viv-fb' glconf.set('GST_GL_HAVE_WINDOW_VIV_FB', 1) glconf.set('GST_GL_HAVE_VIV_DIRECTVIV', 1) gl_priv_sources += [ 'viv-fb/gstgldisplay_viv_fb.c', 'viv-fb/gstglwindow_viv_fb_egl.c', ] gl_cpp_args += ['-DEGL_API_FB'] endif endif endif if need_win_android == 'yes' if need_platform_egl == 'no' error('Impossible situation requested: Cannot build for Android without EGL') elif need_api_gles2 == 'no' error('Impossible situation requested: Cannot build for Android without GLES2 support') elif host_system != 'android' error('Impossible situation requested: Cannot build for Android without an android system') endif endif if host_system == 'android' and need_win_android != 'no' and need_platform_egl != 'no' if gles2_dep.found() and egl_dep.found() enabled_gl_winsys += ['android'] glconf.set('GST_GL_HAVE_WINDOW_ANDROID', 1) gl_priv_sources += [ 'android/gstglwindow_android_egl.c' ] endif endif gl_nvmm = false nvbuf_utils_dep = unneeded_dep if egl_dep.found() # XXX: provide options for this? # c_args and c_link_args can also cover this case just fine e.g.: # -Dc_args='-I/usr/src/jetson_multimedia_api/include' -Dc_link_args='-L/usr/lib/aarch64-linux-gnu/tegra/' nvbuf_utils_dep = cc.find_library('nvbuf_utils', required : false) nvbuf_utils_h = cc.has_header('nvbuf_utils.h') if nvbuf_utils_dep.found() and nvbuf_utils_h gl_misc_deps += [nvbuf_utils_dep] gl_nvmm = true gl_cpp_args += ['-DHAVE_NVMM'] endif endif build_gstgl = true if enabled_gl_apis.length() == 0 message('No OpenGL API libraries found or requested') build_gstgl = false endif if enabled_gl_platforms.length() == 0 message('No OpenGL Platforms found or requested') build_gstgl = false endif if enabled_gl_winsys.length() == 0 message('No OpenGL Window systems found or requested') build_gstgl = false endif if build_gstgl # find some types that may or may not be defined if cc.has_type('GLeglImageOES', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLEGLIMAGEOES', 1) endif if cc.has_type('GLchar', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLCHAR', 1) endif if cc.has_type('GLsizeiptr', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLSIZEIPTR', 1) endif if cc.has_type('GLintptr', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLINTPTR', 1) endif if cc.has_type('GLsync', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLSYNC', 1) endif if cc.has_type('GLuint64', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLUINT64', 1) endif if cc.has_type('GLint64', prefix : gl_include_block, dependencies : gl_lib_deps, include_directories : gl_includes) glconf.set('GST_GL_HAVE_GLINT64', 1) endif if egl_dep.found() and cc.has_type('EGLAttrib', prefix : gl_include_block + egl_includes, dependencies : gl_lib_deps + [egl_dep], include_directories : gl_includes) glconf.set('GST_GL_HAVE_EGLATTRIB', 1) endif if egl_dep.found() and cc.has_type('EGLuint64KHR', prefix : gl_include_block + egl_includes, dependencies : gl_lib_deps + [egl_dep], include_directories : gl_includes) glconf.set('GST_GL_HAVE_EGLUINT64KHR', 1) endif summary('GL api', enabled_gl_apis, list_sep: ', ') summary('GL platform', enabled_gl_platforms, list_sep: ', ') summary('GL winsys', enabled_gl_winsys, list_sep: ', ') install_headers(gl_headers, subdir : 'gstreamer-1.0/gst/gl') install_headers(gl_prototype_headers, subdir : 'gstreamer-1.0/gst/gl/glprototypes') configure_file(input : 'gstglconfig.h.meson', output : 'gstglconfig.h', install_dir : get_option('libdir') + '/gstreamer-1.0/include/gst/gl', install_tag : 'devel', configuration : glconf) glib_mkenums = find_program('glib-mkenums') mkenums = find_program('gl_mkenum.py') gl_enumtypes_h = custom_target('gstglenumtypes_h', output : 'gl-enumtypes.h', input : gir_gl_headers, install : true, install_dir : join_paths(get_option('includedir'), 'gstreamer-1.0/gst/gl/'), command : [mkenums, glib_mkenums, '@OUTPUT@', '@INPUT@']) gl_enumtypes_c = custom_target('gstglenumtypes_c', output : 'gl-enumtypes.c', input : gir_gl_headers, depends : [gl_enumtypes_h], command : [mkenums, glib_mkenums, '@OUTPUT@', '@INPUT@']) gen_sources = [gl_enumtypes_h] common_args = gst_plugins_base_args + gl_cpp_args + ['-DBUILDING_GST_GL', '-DG_LOG_DOMAIN="GStreamer-GL"'] # We have custom_target() that generate headers in the current build dir, # but with implicit_include_directories: false, meson >= 0.58.0 won't include # it by default. We cannot use include_directories('.') here because it would # also include current source dir which is what we want to avoid because # case-insensitive FS would include gst-libs/gl/egl/egl.h as EGL/egl.h. common_args += '-I@0@'.format(meson.current_build_dir()) gstgl = library('gstgl-' + api_version, gl_sources, gl_egl_sources, gl_x11_sources, gl_wayland_sources, gl_priv_sources, gl_enumtypes_c, gl_enumtypes_h, c_args : common_args, cpp_args : common_args, objc_args : common_args + gl_objc_args, include_directories : [configinc, libsinc, gl_includes], version : libversion, soversion : soversion, darwin_versions : osxversion, install : true, dependencies : [gst_base_dep, video_dep, allocators_dep, gmodule_dep, gl_lib_deps, gl_platform_deps, gl_winsys_deps, gl_misc_deps], # don't confuse EGL/egl.h with gst-libs/gl/egl/egl.h on case-insensitive file systems implicit_include_directories : false) pkgconfig_gl_variables = [ 'gl_platforms=' + ' '.join(enabled_gl_platforms), 'gl_winsys=' + ' '.join(enabled_gl_winsys), 'gl_apis=' + ' '.join(enabled_gl_apis), ] library_def = {'lib': gstgl} pkg_name = 'gstreamer-gl-1.0' pkgconfig.generate(gstgl, libraries : [gstvideo, gst_base_dep, gst_dep], variables : pkgconfig_variables + pkgconfig_gl_variables, uninstalled_variables : pkgconfig_gl_variables, subdirs : pkgconfig_subdirs, extra_cflags : ['-I${libdir}/gstreamer-1.0/include'], name : pkg_name, description : 'Streaming media framework, OpenGL plugins libraries', ) # Desperate times, desperate measures... fix up escaping of our variables run_command(meson_pkg_config_file_fixup_script, 'gstreamer-gl-1.0', 'gl_platforms', 'gl_winsys', 'gl_apis', check: true) pkgconfig.generate( libraries : [gstgl, gl_lib_deps], subdirs : pkgconfig_subdirs, name : 'gstreamer-gl-prototypes-1.0', description : 'Streaming media framework, OpenGL plugins libraries (OpenGL Prototypes)', ) if build_gir gir = { 'sources' : gl_sources + [gl_enumtypes_h] + [gl_enumtypes_c] + gir_gl_headers, 'namespace' : 'GstGL', 'nsversion' : api_version, 'identifier_prefix' : 'Gst', 'symbol_prefix' : 'gst', 'export_packages' : pkg_name, 'includes' : ['Gst-1.0', 'GstBase-1.0', 'GstVideo-1.0'], 'install' : true, 'extra_args' : gir_init_section + ['--c-include=gst/gl/gl.h'], 'dependencies' : [video_dep, gst_dep, gst_base_dep], } library_def += {'gir': [gir]} if not static_build gl_gir = gnome.generate_gir(gstgl, kwargs: gir) gen_sources += [gl_gir] endif endif gst_libraries += [[pkg_name, library_def]] gstgl_dep = declare_dependency(link_with : gstgl, include_directories : [libsinc, compat_includes], sources: gen_sources, dependencies : [video_dep, gst_base_dep]) gstglproto_dep = declare_dependency( dependencies : [gstgl_dep] + gl_lib_deps, sources: gen_sources ) meson.override_dependency('gstreamer-gl-1.0', gstgl_dep) meson.override_dependency('gstreamer-gl-prototypes-1.0', gstglproto_dep) if gl_x11_headers.length() > 0 install_headers(gl_x11_headers, subdir : 'gstreamer-1.0/gst/gl/x11') pkg_name = 'gstreamer-gl-x11-1.0' pkgconfig.generate( libraries : [gstgl], requires: ['x11-xcb'], subdirs : pkgconfig_subdirs, name : pkg_name, description : 'Streaming media framework, OpenGL plugins libraries (X11 specifics)', ) gl_x11_gir = [] if build_gir gir = { 'sources' : gl_x11_sources + gl_x11_headers, 'namespace' : 'GstGLX11', 'nsversion' : api_version, 'identifier_prefix' : 'Gst', 'symbol_prefix' : 'gst', 'export_packages' : 'gstreamer-gl-x11-1.0', 'includes' : ['Gst-1.0', 'GstBase-1.0', 'GstVideo-1.0'], 'install' : true, 'extra_args' : gir_init_section + ['--c-include=gst/gl/x11/x11.h'], 'dependencies' : [video_dep, gst_dep, gst_base_dep] } gir_dict = gir + {'includes': gir['includes'] + ['GstGL-1.0']} gst_libraries += [[pkg_name, {'gir': gir_dict}]] if not static_build gir += {'includes': gir['includes'] + [gl_gir[0]]} gl_x11_gir = gnome.generate_gir(gstgl, kwargs: gir) endif endif gstglx11_dep = declare_dependency(dependencies : [gstgl_dep, x11_dep, xcb_dep], sources : gl_x11_gir) meson.override_dependency('gstreamer-gl-x11-1.0', gstglx11_dep) endif if gl_wayland_headers.length() > 0 install_headers(gl_wayland_headers, subdir : 'gstreamer-1.0/gst/gl/wayland') pkg_name = 'gstreamer-gl-wayland-1.0' pkgconfig.generate( libraries : [gstgl], requires: ['wayland-egl', 'wayland-client'], subdirs : pkgconfig_subdirs, name : pkg_name, description : 'Streaming media framework, OpenGL plugins libraries (Wayland specifics)', ) gl_wayland_gir = [] if build_gir gir = { 'sources' : gl_wayland_sources + gl_wayland_headers, 'namespace' : 'GstGLWayland', 'nsversion' : api_version, 'identifier_prefix' : 'Gst', 'symbol_prefix' : 'gst', 'export_packages' : 'gstreamer-gl-wayland-1.0', 'includes' : ['Gst-1.0', 'GstBase-1.0', 'GstVideo-1.0'], 'install' : true, 'extra_args' : gir_init_section + ['--c-include=gst/gl/wayland/wayland.h'], 'dependencies' : [video_dep, gst_dep, gst_base_dep] } gir_dict = gir + {'includes': gir['includes'] + ['GstGL-1.0']} gst_libraries += [[pkg_name, {'gir': gir_dict}]] if not static_build gir += {'includes': gir['includes'] + [gl_gir[0]]} gl_wayland_gir = gnome.generate_gir(gstgl, kwargs: gir) endif endif gstglwayland_dep = declare_dependency(dependencies : [gstgl_dep], sources : gl_wayland_gir) meson.override_dependency(pkg_name, gstglwayland_dep) endif if gl_egl_headers.length() > 0 install_headers(gl_egl_headers, subdir : 'gstreamer-1.0/gst/gl/egl') pkg_name = 'gstreamer-gl-egl-1.0' pkgconfig.generate( libraries : [gstgl, egl_dep], subdirs : pkgconfig_subdirs, name : pkg_name, description : 'Streaming media framework, OpenGL plugins libraries (EGL specifics)', ) gl_egl_gir = [] if build_gir gir = { 'sources' : gl_egl_sources + gl_egl_headers, 'namespace' : 'GstGLEGL', 'nsversion' : api_version, 'identifier_prefix' : 'Gst', 'symbol_prefix' : 'gst', 'export_packages' : pkg_name, 'includes' : ['Gst-1.0', 'GstBase-1.0', 'GstVideo-1.0'], 'install' : true, 'extra_args' : gir_init_section + ['--c-include=gst/gl/egl/egl.h'], 'dependencies' : [video_dep, gst_dep, gst_base_dep] } gir_dict = gir + {'includes': gir['includes'] + ['GstGL-1.0']} gst_libraries += [[pkg_name, {'gir': gir_dict}]] if not static_build gir += {'includes': gir['includes'] + [gl_gir[0]]} gl_egl_gir = gnome.generate_gir(gstgl, kwargs: gir) endif endif gstglegl_dep = declare_dependency(dependencies : [gstgl_dep], sources : gl_egl_gir) meson.override_dependency(pkg_name, gstglegl_dep) endif elif get_option('gl').enabled() error('GStreamer OpenGL integration required via options, but needed dependencies not found.') endif