Add workaround for gamescope#2261

Fixes #1925

.github/workflows/build-appimage.yml

@@ -108,6 +108,7 @@ jobs:
       - name: Build libplacebo
         working-directory: deps/libplacebo
         run: |
+          git apply ../../app/deploy/linux/appimage/*.patch
           meson setup build -Dvulkan=enabled -Dopengl=disabled -Ddemos=false
           ninja -C build
           sudo ninja install -C build

app/deploy/linux/appimage/libplacebo-disable-internally-synchronized-queues.patch

@@ -0,0 +1,13 @@
+diff --git a/src/vulkan/context.c b/src/vulkan/context.c
+index bc9084ad..52290154 100644
+--- a/src/vulkan/context.c
++++ b/src/vulkan/context.c
+@@ -265,7 +265,7 @@ static_assert(PL_ARRAY_SIZE(pl_vulkan_recommended_extensions) + 1 ==
+ #ifdef VK_KHR_internally_synchronized_queues
+ static const VkPhysicalDeviceInternallySynchronizedQueuesFeaturesKHR synchronized_queues = {
+     .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INTERNALLY_SYNCHRONIZED_QUEUES_FEATURES_KHR,
+-    .internallySynchronizedQueues = true,
++    .internallySynchronizedQueues = false,
+ };
+ #endif
+