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renderer/native: Count devices on EGLDevice check

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create_renderer_gpu_data_egl_device () relied on the primary GPU being
already chosen for the "EGLDevice currently only works with single GPU
systems" error message. A future patch will choose the primary GPU after
this, not before, so this check needs to be rewritten before the
initialization order is changed.

The new check is implemented exactly as the error message says: there
must be exactly one GPU, otherwise fail.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/271
This commit is contained in:
Pekka Paalanen 2018-12-10 15:46:56 +02:00 committed by Jonas Ådahl
parent 9182c8b801
commit 3d2ca9a67f
1 changed files with 10 additions and 1 deletions
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11
src/backends/native/meta-renderer-native.c
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@ -3447,6 +3447,15 @@ get_egl_device_display (MetaRendererNative *renderer_native,
error);
}
static int
count_drm_devices (MetaRendererNative *renderer_native)
{
MetaMonitorManager *monitor_manager =
META_MONITOR_MANAGER (renderer_native->monitor_manager_kms);
return g_list_length (meta_monitor_manager_get_gpus (monitor_manager));
}
static MetaRendererNativeGpuData *
create_renderer_gpu_data_egl_device (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
@ -3458,7 +3467,7 @@ create_renderer_gpu_data_egl_device (MetaRendererNative *renderer_native,
EGLDisplay egl_display;
MetaRendererNativeGpuData *renderer_gpu_data;
if (gpu_kms != renderer_native->primary_gpu)
if (count_drm_devices (renderer_native) != 1)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,