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plugin: Temporarily try to avoid direct DMABuf import on desktop

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This tries to avoid "scrambled" image on Linux with Intel GPUs that are mostly used
together with x86 CPUs at the expense of using slightly slower non-direct DMABuf import,
by not going with GLES by default on EGL.

The "GST_GL_API" env can still be used to force one or another context type.

We need for GStreamer to be aware of currently used DRM modifier first. On the other
hand forcing GL everywhere would break most embedded systems that only work with GLES,
so do it for x86 processors only... and pray for it to work.

See: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1236
This commit is contained in:
Rafał Dzięgiel
2022-05-24 12:54:08 +02:00
parent f9e84ac99b
commit 51619cbd2a
1 changed files with 10 additions and 0 deletions
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10
lib/gst/plugin/importers/gstclapperglbaseimporter.c vendored
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@@ -504,6 +504,16 @@ gst_clapper_gl_base_importer_gdk_context_realize (GstClapperGLBaseImporter *self
preferred_api = GDK_GL_API_GLES;
#endif
/* FIXME: Remove once GStreamer can handle DRM modifiers. This tries to avoid
* "scrambled" image on Linux with Intel GPUs that are mostly used together with
* x86 CPUs at the expense of using slightly slower non-direct DMABuf import.
* See: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1236 */
#if GST_CLAPPER_GL_BASE_IMPORTER_HAVE_WAYLAND || GST_CLAPPER_GL_BASE_IMPORTER_HAVE_X11_EGL
#if !defined(HAVE_GST_PATCHES) && (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__) || defined(_M_X64))
preferred_api = GDK_GL_API_GL;
#endif
#endif
if (!(success = _realize_gdk_context_with_api (gdk_context, preferred_api))) {
GdkGLAPI fallback_api;