applemedia: silence a couple of MoltenVK warnings

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2433>

diff --git a/sys/applemedia/meson.build b/sys/applemedia/meson.build
index b77c37b..22c35cd 100644 (file)
--- a/sys/applemedia/meson.build
+++ b/sys/applemedia/meson.build
@@ -31,6 +31,8 @@ if ['darwin', 'ios'].contains(host_system)
   endif
 
   applemedia_objc_args += ['-fobjc-arc']
+
+  objcpp = meson.get_compiler('objcpp')
 endif
 
 applemedia_frameworks = []
@@ -87,6 +89,7 @@ foreach framework : applemedia_frameworks
     endif
 endforeach
 
+applemedia_objcpp_args = []
 if gstvulkan_dep.found() and have_objcpp
   moltenvk_dep = cc.find_library('MoltenVK', required : false)
   metal_dep = dependency('appleframeworks', modules : ['Metal'], required : false)
@@ -97,6 +100,10 @@ if gstvulkan_dep.found() and have_objcpp
       'iosurfacevulkanmemory.c',
     ]
     applemedia_args += ['-DAPPLEMEDIA_MOLTENVK']
+    # override_options : ['cpp_std=c++11'] doesn't seem to work for objcpp
+    applemedia_objcpp_args += objcpp.get_supported_arguments([
+      '-std=c++11',
+    ])
   endif
 endif
 
@@ -105,10 +112,11 @@ if applemedia_found_deps
         applemedia_sources,
         c_args : gst_plugins_bad_args + applemedia_args,
         objc_args : gst_plugins_bad_args + applemedia_args + applemedia_objc_args,
-        objcpp_args : gst_plugins_bad_args + applemedia_args + applemedia_objc_args,
+        objcpp_args : gst_plugins_bad_args + applemedia_args + applemedia_objc_args + applemedia_objcpp_args,
         link_args : noseh_link_args,
         include_directories : [configinc, libsinc],
         dependencies : [gstvideo_dep, gstaudio_dep, gstpbutils_dep, gst_dep, gstbase_dep, gstgl_dep, gstglproto_dep] + applemedia_frameworks,
+        override_options : ['cpp_std=c++11'],
         install : true,
         install_dir : plugins_install_dir,
     )

diff --git a/sys/applemedia/videotexturecache-vulkan.mm b/sys/applemedia/videotexturecache-vulkan.mm
index 6ea77d2..017612a 100644 (file)
--- a/sys/applemedia/videotexturecache-vulkan.mm
+++ b/sys/applemedia/videotexturecache-vulkan.mm
@@ -32,7 +32,16 @@
 #undef VK_USE_PLATFORM_MACOS_MVK
 #undef VK_USE_PLATFORM_IOS_MVK
 #include <MoltenVK/vk_mvk_moltenvk.h>
+/* MoltenVK uses some enums/typedefs that are only available in newer macOS/iOS
+ * versions. At time of writing:
+ *  - MTLTextureSwizzle
+ *  - MTLTextureSwizzleChannels
+ *  - MTLMultisampleDepthResolveFilter
+ */
+#pragma clang diagnostic push
+#pragma clang diagnostic warning "-Wunguarded-availability-new"
 #include <MoltenVK/mvk_datatypes.h>
+#pragma clang diagnostic pop
 /* silence macro redefinition warnings */
 #undef VK_USE_PLATFORM_MACOS_MVK
 #undef VK_USE_PLATFORM_IOS_MVK
@@ -210,7 +219,7 @@ _create_vulkan_memory (GstAppleCoreVideoPixelBuffer * gpixbuf,
   IOSurfaceRef surface = CVPixelBufferGetIOSurface (pixel_buf);
   GstVideoTextureCacheVulkan *cache_vulkan =
       GST_VIDEO_TEXTURE_CACHE_VULKAN (cache);
-  MTLPixelFormat fmt = video_info_to_metal_format (info, plane);
+  MTLPixelFormat fmt = (MTLPixelFormat) video_info_to_metal_format (info, plane);
 
   CFRetain (pixel_buf);
   mem = gst_io_surface_vulkan_memory_wrapped (cache_vulkan->device,
@@ -292,7 +301,7 @@ gst_io_surface_vulkan_memory_set_surface (GstIOSurfaceVulkanMemory * memory,
     texture_data->texture = (__bridge_retained gpointer) texture;
 
     VkResult err = vkSetMTLTextureMVK (memory->vulkan_mem.image, texture);
-    GST_DEBUG ("bound texture %p to image %"GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT": 0x%x",
+    GST_DEBUG ("bound texture %p to image %" GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT ": 0x%x",
                texture, memory->vulkan_mem.image, err);
 
     vk_mem->user_data = texture_data;