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renderer/native: Create dummy offscreens if onscreens fail to allocate

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This is less dramatic than aborting, and could in theory be a temporary
issue, so handle it by rendering into an offscreen.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1828>
This commit is contained in:
Jonas Ådahl 2021-04-10 21:29:22 +02:00
parent db1d35c53d
commit ceff2a93ca
1 changed files with 40 additions and 6 deletions
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42
src/backends/native/meta-renderer-native.c
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@ -1007,6 +1007,29 @@ should_force_shadow_fb (MetaRendererNative *renderer_native,
return FALSE;
}
static CoglFramebuffer *
create_fallback_offscreen (MetaRendererNative *renderer_native,
CoglContext *cogl_context,
int width,
int height)
{
CoglOffscreen *fallback_offscreen;
GError *error = NULL;
fallback_offscreen = meta_renderer_native_create_offscreen (renderer_native,
cogl_context,
width,
height,
&error);
if (!fallback_offscreen)
{
g_error ("Failed to create fallback offscreen framebuffer: %s",
error->message);
}
return COGL_FRAMEBUFFER (fallback_offscreen);
}
static MetaRendererView *
meta_renderer_native_create_view (MetaRenderer *renderer,
MetaLogicalMonitor *logical_monitor,
@ -1041,10 +1064,12 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
if (META_IS_CRTC_KMS (crtc))
{
MetaGpuKms *gpu_kms = META_GPU_KMS (meta_crtc_get_gpu (crtc));
MetaGpuKms *primary_gpu_kms = renderer_native->primary_gpu_kms;
MetaOnscreenNative *onscreen_native;
onscreen_native = meta_onscreen_native_new (renderer_native,
renderer_native->primary_gpu_kms,
primary_gpu_kms,
output,
crtc,
cogl_context,
@ -1052,12 +1077,21 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
onscreen_height);
if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen_native), &error))
g_error ("Failed to allocate onscreen framebuffer: %s", error->message);
{
g_warning ("Failed to allocate onscreen framebuffer for %s",
meta_gpu_kms_get_file_path (gpu_kms));
framebuffer = create_fallback_offscreen (renderer_native,
cogl_context,
onscreen_width,
onscreen_height);
}
else
{
use_shadowfb = should_force_shadow_fb (renderer_native,
renderer_native->primary_gpu_kms);
primary_gpu_kms);
framebuffer = COGL_FRAMEBUFFER (onscreen_native);
}
}
else
{
CoglOffscreen *virtual_onscreen;