gl_sources = [ 'gstglapi.c', 'gstglbasefilter.c', 'gstglbasememory.c', 'gstglcolorconvert.c', 'gstglcontrolbindingproxy.c', 'gstglbuffer.c', 'gstglbufferpool.c', 'gstglcontext.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_headers = [ 'gl.h', 'gstgl_enums.h', 'gstgl_fwd.h', 'gstglapi.h', 'gstglbasefilter.h', 'gstglbasememory.h', 'gstglbuffer.h', 'gstglbufferpool.h', 'gstglcolorconvert.h', 'gstglcontext.h', 'gstglcontrolbindingproxy.h', 'gstgldebug.h', 'gstgldisplay.h', 'gstglfeature.h', 'gstglfilter.h', 'gstglformat.h', 'gstglframebuffer.h', 'gstglmemory.h', 'gstglmemorypbo.h', 'gstgloverlaycompositor.h', 'gstglquery.h', 'gstglshader.h', 'gstglshaderstrings.h', 'gstglsl.h', 'gstglslstage.h', 'gstglsyncmeta.h', 'gstglupload.h', 'gstglutils.h', 'gstglviewconvert.h', 'gstglwindow.h', ] gl_prototype_headers = [ 'glprototypes/all_functions.h', 'glprototypes/base.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/Makefile.am', 'glprototypes/opengl.h', 'glprototypes/query.h', 'glprototypes/README', 'glprototypes/shaders.h', 'glprototypes/sync.h', 'glprototypes/vao.h', ] gl_x11_headers = [] gl_wayland_headers = [] gl_win32_headers = [] gl_cocoa_headers = [] gl_egl_headers = [] glconf = configuration_data() gmodule_dep = dependency('gmodule-no-export-2.0') 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 = ['-DGST_USE_UNSTABLE_API', '-DGST_EXPORTS'] enabled_gl_apis = [] enabled_gl_platforms = [] enabled_gl_winsys = [] # parse provided options libegl_module_name = get_option('with_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('with_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('with_opengl_module_name') if libgl_module_name != '' gl_cpp_args += ['-DGST_GL_LIBGL_MODULE_NAME="@0@"'.format(libgl_module_name)] endif gl_apis_s = get_option ('with_gl_api') if gl_apis_s == 'auto' need_api_opengl = 'auto' need_api_gles2 = 'auto' else need_api_opengl = 'no' need_api_gles2 = 'no' gl_apis = gl_apis_s.split(',') 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_s = get_option ('with_gl_platform') if gl_platforms_s == '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' gl_platforms = gl_platforms_s.split(',') 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_s = get_option ('with_gl_winsys') if gl_winsys_s == 'auto' need_win_x11 = 'auto' need_win_wayland = 'auto' need_win_win32 = 'auto' need_win_cocoa = 'auto' need_win_eagl = 'auto' need_win_dispmanx = 'auto' else need_win_x11 = 'no' need_win_wayland = 'no' need_win_win32 = 'no' need_win_cocoa = 'no' need_win_eagl = 'no' need_win_dispmanx = 'no' gl_winsys = gl_winsys_s.split(',') 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 == 'cocoa' # need_win_cocoa = 'yes' # elif winsys == 'eagl' # need_win_eagl = 'yes' elif winsys == 'dispmanx' need_win_dispmanx = '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 ''' # Desktop OpenGL checks gl_dep = unneeded_dep glx_dep = unneeded_dep if need_api_opengl != 'no' or need_platform_glx != 'no' gl_dep = dependency('gl', required : false) if not gl_dep.found() if host_machine.system() == 'windows' gl_dep = cc.find_library('opengl32', required : false) # elif host_machine.system() == 'darwin' # gl_dep = cc.find_library('OpenGL', required : false) else gl_dep = cc.find_library('GL', required : false) endif if not gl_dep.found() and need_api_opengl == 'yes' error ('Could not find requested OpenGL library') endif endif glx_dep = gl_dep if need_api_opengl == 'no' gl_dep = unneeded_dep endif if need_platform_glx == 'no' glx_dep = unneeded_dep endif opengl_includes = ''' #ifdef __APPLE__ # include # include # if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 # define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED # include # endif #else # if _MSC_VER # include # endif # include # if __WIN32__ || _WIN32 # include # endif #endif ''' endif # GLES2 checks gles2_dep = unneeded_dep if need_api_gles2 != 'no' gles2_dep = dependency('glesv2', required : false) if not gles2_dep.found() # if host_machine.system() == 'windows' # elif host_machine.system() == 'darwin' # gles2_dep = cc.find_library('GLESv2', required : false) # else gles2_dep = cc.find_library('GLESv2', required : false) # endif if not gles2_dep.found() and need_api_gles2 == 'yes' error ('Could not find requested OpenGL ES library') endif endif gles3_h = gles2_dep.found() and cc.has_header('GLES3/gl3.h', required : false, dependencies : gles2_dep) gles_includes = ''' #ifdef HAVE_IOS /* FIXME */ # include # include #else''' if gles3_h gles_includes += ''' # include # include ''' else gles_includes += ''' # include # include ''' endif gles_includes += ''' #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 if not cc.compiles('void f (void) {}', prefix : gl_include_block, dependencies : [gles2_dep, gl_dep] ) message ('Cannot include both OpenGL and OpenGL ES headers') if need_gles2 != 'yes' gles2_dep = unneeded_dep elif need_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.set10('GST_GL_HAVE_GLES2', 1) if gles3_h glconf.set10('GST_GL_HAVE_GLES3', 1) endif enabled_gl_apis += 'gles2' endif if gl_dep.found() gl_lib_deps += gl_dep glconf.set10('GST_GL_HAVE_OPENGL', 1) enabled_gl_apis += 'opengl' endif # EGL checks egl_dep = unneeded_dep if need_platform_egl != 'no' egl_dep = dependency('egl', required : false) if not egl_dep.found() egl_dep = cc.find_library('EGL', required : false) if not egl_dep.found() and need_platform_egl == 'yes' error ('Could not find requested EGL library') endif endif if egl_dep.found() gl_sources += [ 'egl/gsteglimage.c', 'egl/gstglcontext_egl.c', 'egl/gstgldisplay_egl.c', 'egl/gstglmemoryegl.c', ] gl_egl_headers += [ 'egl/gstegl.h', 'egl/gsteglimage.h', 'egl/gstgldisplay_egl.h', 'egl/gstglmemoryegl.h', ] gl_platform_deps += egl_dep glconf.set10('GST_GL_HAVE_PLATFORM_EGL', 1) if cc.has_header('libdrm/drm_fourcc.h', required : false) gl_misc_deps += gstallocators_dep glconf.set10('GST_GL_HAVE_DMABUF', 1) endif egl_includes = ''' #include #include ''' enabled_gl_platforms += '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 : '>= 1.0', required : false) wayland_cursor_dep = dependency('wayland-cursor', version : '>= 1.0', required : false) wayland_egl_dep = dependency('wayland-egl', version : '>= 1.0', required : false) if wayland_client_dep.found() and wayland_cursor_dep.found() and wayland_egl_dep.found() gl_sources += [ 'wayland/gstgldisplay_wayland.c', 'wayland/gstglwindow_wayland_egl.c', 'wayland/wayland_event_source.c', ] gl_wayland_headers += [ '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 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 if need_win_x11 != 'no' xcb_dep = dependency('x11-xcb', required : false) if x11_dep.found() and xcb_dep.found() gl_sources += [ 'x11/gstgldisplay_x11.c', 'x11/gstglwindow_x11.c', 'x11/xcb_event_source.c', ] gl_x11_headers += [ '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() glconf.set('GST_GL_HAVE_PLATFORM_GLX', 1) gl_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 bcm_host_dep = unneeded_dep if need_win_dispmanx != 'no' bcm_host_dep = dependency('bcm_host', required : false) if bcm_host_dep.found() if not egl_dep.found() error('dispmanx requires the use of egl') endif gl_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 # XXX: untested if need_platform_wgl != 'no' and need_win_win32 != 'no' gdi_dep = cc.find_library('gdi32', required : false) # FIXME: Revert back to has_header once it gains prefix support wglext_h = cc.has_header_symbol('GL/wglext.h', 'WGL_WGLEXT_VERSION', prefix : '#include #include ') if wglext_h and gdi_dep.found() and gl_dep.found() gl_platform_deps += gdi_dep gl_sources += [ 'win32/win32_message_source.c', 'win32/gstglwindow_win32.c', 'win32/gstglwindow_win32.c', ] enabled_gl_winsys += 'win32' gl_winsys_deps += gdi_dep enabled_gl_platforms += 'wgl' endif endif if host_machine.system() == 'darwin' # FIXME: how to know if we're on iOS or OS X? # gl_cocoa_headers += [ # 'gstglcontext_cocoa.h', # 'gstglcaopengllayer.h', # ] endif # TODO: Add rest of gl config here. # arm-mali, iOS, OS X, win32 specific support build_gstgl = true if gl_lib_deps.length() == 0 message('No OpenGL API libraries found or requested') build_gstgl = false endif if gl_platform_deps.length() == 0 message('No OpenGL Platforms found or requested') build_gstgl = false endif if gl_winsys_deps.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) glconf.set('GST_GL_HAVE_GLEGLIMAGEOES', 1) endif if cc.has_type('GLchar', prefix : gl_include_block, dependencies : gl_lib_deps) glconf.set('GST_GL_HAVE_GLCHAR', 1) endif if cc.has_type('GLsizeiptr', prefix : gl_include_block, dependencies : gl_lib_deps) glconf.set('GST_GL_HAVE_GLSIZEIPTR', 1) endif if cc.has_type('GLintptr', prefix : gl_include_block, dependencies : gl_lib_deps) glconf.set('GST_GL_HAVE_GLINTPTR', 1) endif if cc.has_type('GLsync', prefix : gl_include_block, dependencies : gl_lib_deps) glconf.set('GST_GL_HAVE_GLSYNC', 1) endif if cc.has_type('GLuint64', prefix : gl_include_block, dependencies : gl_lib_deps) glconf.set('GST_GL_HAVE_GLUINT64', 1) endif if cc.has_type('GLint64', prefix : gl_include_block, dependencies : gl_lib_deps) 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]) glconf.set('GST_GL_HAVE_EGLATTRIB', 1) endif message('Building libgstgl with GL api: ' + ' '.join(enabled_gl_apis)) message('Building libgstgl with GL platform: ' + ' '.join(enabled_gl_platforms)) message('Building libgstgl with GL winsys: ' + ' '.join(enabled_gl_winsys)) install_headers(gl_headers, subdir : 'gstreamer-1.0/gst/gl') install_headers(gl_cocoa_headers, subdir : 'gstreamer-1.0/gst/gl/cocoa') install_headers(gl_egl_headers, subdir : 'gstreamer-1.0/gst/gl/egl') install_headers(gl_prototype_headers, subdir : 'gstreamer-1.0/gst/gl/glprototypes') install_headers(gl_x11_headers, subdir : 'gstreamer-1.0/gst/gl/x11') install_headers(gl_wayland_headers, subdir : 'gstreamer-1.0/gst/gl/wayland') configure_file(input : 'gstglconfig.h.meson', output : 'gstglconfig.h', install_dir : get_option('libdir') + '/gstreamer-1.0/include/gst/gl', configuration : glconf) gstgl = library('gstgl-' + api_version, gl_sources, c_args : gst_plugins_bad_args + gl_cpp_args, include_directories : [configinc, libsinc], version : libversion, soversion : soversion, install : true, dependencies : [gstbase_dep, gstvideo_dep, gmodule_dep, gl_lib_deps, gl_platform_deps, gl_winsys_deps, gl_misc_deps], # Don't need vs_module_defs for gstgl because we do symbol exporting in the # function definitions via __declspec(dllexport/import) ) # TODO: generate gir gstgl_dep = declare_dependency(link_with : gstgl, include_directories : [libsinc], dependencies : [gstbase_dep, gstvideo_dep] + gl_winsys_deps) endif