Flatpak: workaround crashes in adaptive streaming on Intel GPUs #51

pkgs/flatpak/gstreamer-1.0/gst-plugins-base-do-not-set-backbuffer.patch

@@ -0,0 +1,34 @@
+From d42546dda8fdb3d044e715d0a6a1a74cd411acbe Mon Sep 17 00:00:00 2001
+From: Rafostar <40623528+Rafostar@users.noreply.github.com>
+Date: Mon, 5 Apr 2021 18:05:38 +0200
+Subject: [PATCH] GL: Do not set backbuffer on Wayland memory copy
+
+This aims to workaround a Mesa bug that causes crash on Intel GPUs
+caused by calling "glDrawBuffer (GL_BACK)" on Wayland where
+there is no actual backbuffer in GStreamer OpenGL context.
+---
+ gst-libs/gst/gl/gstglmemory.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/gst-libs/gst/gl/gstglmemory.c b/gst-libs/gst/gl/gstglmemory.c
+index 76c04eb1b..cd3481847 100644
+--- a/gst-libs/gst/gl/gstglmemory.c
++++ b/gst-libs/gst/gl/gstglmemory.c
+@@ -762,7 +762,13 @@ gst_gl_memory_copy_teximage (GstGLMemory * src, guint tex_id,
+     gl->DeleteFramebuffers (n_fbos, &fbo[0]);
+ 
+     if (gl->DrawBuffer)
+-      gl->DrawBuffer (GL_BACK);
++      gl->DrawBuffer (
++#if GST_GL_HAVE_WINDOW_WAYLAND
++          GL_NONE
++#else
++          GL_BACK
++#endif
++          );
+   }
+ 
+   gst_memory_unmap (GST_MEMORY_CAST (src), &sinfo);
+-- 
+2.28.0
+

pkgs/flatpak/gstreamer-1.0/gst-plugins-base.json

@@ -25,6 +25,10 @@
         {
             "type": "patch",
             "path": "gst-plugins-base-autodetect-subtitle-text-encoding.patch"
+        },
+        {
+            "type": "patch",
+            "path": "gst-plugins-base-do-not-set-backbuffer.patch"
         }
     ]
 }