1 files changed, 170 insertions, 0 deletions
diff --git a/demos/meson.build b/demos/meson.build
new file mode 100644
index 0000000..fef665a
--- /dev/null
+++ b/demos/meson.build
@@ -0,0 +1,170 @@
+glfw = dependency('glfw3', required: false)
+sdl = dependency('sdl2', required: false)
+sdl_image = dependency('SDL2_image', required: false)
+
+ffmpeg_deps = [
+  dependency('libavcodec', required: false),
+  dependency('libavformat', required: false),
+  dependency('libavutil', required: false),
+]
+
+ffmpeg_found = true
+foreach dep : ffmpeg_deps
+  ffmpeg_found = ffmpeg_found and dep.found()
+endforeach
+
+nuklear = disabler()
+nuklear_inc = include_directories('./3rdparty/nuklear')
+if cc.has_header('nuklear.h', include_directories: nuklear_inc)
+  nuklear_lib = static_library('nuklear',
+    include_directories: nuklear_inc,
+    c_args: ['-O2', '-Wno-missing-prototypes'],
+    dependencies: [ libplacebo, libm ],
+    sources: 'ui.c',
+  )
+
+  nuklear = declare_dependency(
+    include_directories: nuklear_inc,
+    link_with: nuklear_lib,
+  )
+else
+  warning('Nuklear was not found in `demos/3rdparty`. Please run ' +
+          '`git submodule update --init` followed by `meson --wipe`.')
+endif
+
+conf_demos = configuration_data()
+conf_demos.set('HAVE_NUKLEAR', nuklear.found())
+conf_demos.set('HAVE_EGL', cc.check_header('EGL/egl.h', required: false))
+
+apis = []
+
+# Enable all supported combinations of API and windowing system
+if glfw.found()
+  if components.get('vulkan')
+    conf_demos.set('HAVE_GLFW_VULKAN', true)
+    apis += static_library('glfw-vk',
+      dependencies: [libplacebo, libm, glfw, vulkan_headers],
+      sources: 'window_glfw.c',
+      c_args: ['-DUSE_VK'],
+      include_directories: vulkan_headers_inc,
+    )
+  endif
+
+  if components.get('opengl')
+    conf_demos.set('HAVE_GLFW_OPENGL', true)
+    apis += static_library('glfw-gl',
+      dependencies: [libplacebo, glfw],
+      sources: 'window_glfw.c',
+      c_args: '-DUSE_GL',
+    )
+  endif
+
+  if components.get('d3d11')
+    conf_demos.set('HAVE_GLFW_D3D11', true)
+    apis += static_library('glfw-d3d11',
+      dependencies: [libplacebo, glfw],
+      sources: 'window_glfw.c',
+      c_args: '-DUSE_D3D11',
+    )
+  endif
+endif
+
+if sdl.found()
+  if components.get('vulkan')
+    conf_demos.set('HAVE_SDL_VULKAN', true)
+    apis += static_library('sdl-vk',
+      dependencies: [libplacebo, sdl, vulkan_headers],
+      sources: 'window_sdl.c',
+      c_args: ['-DUSE_VK'],
+      include_directories: vulkan_headers_inc,
+    )
+  endif
+
+  if components.get('opengl')
+    conf_demos.set('HAVE_SDL_OPENGL', true)
+    apis += static_library('sdl-gl',
+      dependencies: [libplacebo, sdl],
+      sources: 'window_sdl.c',
+      c_args: '-DUSE_GL',
+    )
+  endif
+endif
+
+configure_file(
+  output: 'config_demos.h',
+  configuration: conf_demos,
+)
+
+if apis.length() == 0
+  warning('Demos enabled but no supported combination of windowing system ' +
+          'and graphical APIs was found. Demo programs require either GLFW or ' +
+          'SDL and either Vulkan or OpenGL to function.')
+else
+
+  additional_dep = []
+  if host_machine.system() == 'windows'
+    additional_dep += cc.find_library('winmm')
+  endif
+
+  dep = declare_dependency(
+    dependencies: [ libplacebo, build_deps ] + additional_dep,
+    sources: ['window.c', 'utils.c'],
+    include_directories: vulkan_headers_inc,
+    link_with: apis,
+  )
+
+  # Graphical demo programs
+  executable('colors', 'colors.c',
+    dependencies: [ dep, pl_clock, libm ],
+    link_args: link_args,
+    link_depends: link_depends,
+  )
+
+  if sdl_image.found()
+    executable('sdlimage', 'sdlimage.c',
+      dependencies: [ dep, libm, sdl_image ],
+      link_args: link_args,
+      link_depends: link_depends,
+    )
+  endif
+
+  if ffmpeg_found
+    plplay_deps = [ dep, pl_thread, pl_clock ] + ffmpeg_deps
+    if nuklear.found()
+      plplay_deps += nuklear
+    endif
+    if host_machine.system() == 'windows'
+      plplay_deps += cc.find_library('shlwapi', required: true)
+    endif
+    plplay_sources = ['plplay.c', 'settings.c']
+    if host_machine.system() == 'windows'
+      windows = import('windows')
+      plplay_sources += windows.compile_resources(demos_rc, depends: version_h,
+                          include_directories: meson.project_source_root()/'win32')
+    endif
+    executable('plplay', plplay_sources,
+      dependencies: plplay_deps,
+      link_args: link_args,
+      link_depends: link_depends,
+      install: true,
+    )
+  endif
+
+endif
+
+# Headless vulkan demos
+if components.get('vk-proc-addr')
+  executable('video-filtering', 'video-filtering.c',
+    dependencies: [ libplacebo, pl_clock, pl_thread, vulkan_loader ],
+    c_args: '-O2',
+    link_args: link_args,
+    link_depends: link_depends,
+  )
+
+  executable('multigpu-bench', 'multigpu-bench.c',
+    dependencies: [ libplacebo, pl_clock, vulkan_loader ],
+    c_args: '-O2',
+    link_args: link_args,
+    link_depends: link_depends,
+  )
+endif