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backend-drm: Handle solid-colour buffers in state propose 

When we're checking to see if a view is suitable to go on a plane, check
for (and reject) solid-colour buffers.

Signed-off-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Daniel Stone 2022-01-17 19:03:33 +00:00
parent b38b735e20
commit 82b646728c
1 changed files with 16 additions and 1 deletions
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17
libweston/backend-drm/state-propose.c
View File

@ -447,7 +447,11 @@ drm_output_find_plane_for_view(struct drm_output_state *state,
}
buffer = ev->surface->buffer_ref.buffer;
if (buffer->type == WESTON_BUFFER_SHM) {
if (buffer->type == WESTON_BUFFER_SOLID) {
pnode->try_view_on_plane_failure_reasons |=
FAILURE_REASONS_FB_FORMAT_INCOMPATIBLE;
return NULL;
} else if (buffer->type == WESTON_BUFFER_SHM) {
if (!output->cursor_plane || b->cursors_are_broken) {
pnode->try_view_on_plane_failure_reasons |=
FAILURE_REASONS_FB_FORMAT_INCOMPATIBLE;
@ -773,6 +777,17 @@ drm_output_propose_state(struct weston_output *output_base,
force_renderer = true;
}
/* We can support this with the 'CRTC background colour' property,
* if it is fullscreen (i.e. we disable the primary plane), and
* opaque (as it is only shown in the absence of any covering
* plane, not as a replacement for the primary plane per se). */
if (ev->surface->buffer_ref.buffer &&
ev->surface->buffer_ref.buffer->type == WESTON_BUFFER_SOLID) {
drm_debug(b, "\t\t\t\t[view] not assigning view %p to plane "
"(solid-colour surface)\n", ev);
force_renderer = true;
}
if (pnode->surf_xform.transform != NULL ||
!pnode->surf_xform.identity_pipeline) {
drm_debug(b, "\t\t\t\t[view] not assigning view %p to plane "