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Merge branch 'parent_renderer' into 'master'

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backend/drm: always create multigpu renderers for primary device

See merge request wlroots/wlroots!4556
This commit is contained in:
Austin Shafer 2024-04-20 15:00:26 +00:00
commit bc946ced77
1 changed files with 14 additions and 20 deletions
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34
backend/drm/backend.c
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@ -53,9 +53,7 @@ static void backend_destroy(struct wlr_backend *backend) {
wl_list_remove(&drm->dev_change.link);
wl_list_remove(&drm->dev_remove.link);
if (drm->parent) {
finish_drm_renderer(&drm->mgpu_renderer);
}
finish_drm_renderer(&drm->mgpu_renderer);
finish_drm_resources(drm);
@ -224,22 +222,20 @@ struct wlr_backend *wlr_drm_backend_create(struct wlr_session *session,
goto error_event;
}
if (drm->parent) {
if (!init_drm_renderer(drm, &drm->mgpu_renderer)) {
wlr_log(WLR_ERROR, "Failed to initialize renderer");
goto error_resources;
}
// We'll perform a multi-GPU copy for all submitted buffers, we need
// to be able to texture from them
struct wlr_renderer *renderer = drm->mgpu_renderer.wlr_rend;
const struct wlr_drm_format_set *texture_formats =
wlr_renderer_get_dmabuf_texture_formats(renderer);
if (texture_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to query renderer texture formats");
goto error_mgpu_renderer;
}
if (!init_drm_renderer(drm, &drm->mgpu_renderer)) {
wlr_log(WLR_ERROR, "Failed to initialize renderer");
goto error_resources;
}
// We'll perform a multi-GPU copy for all submitted buffers, we need
// to be able to texture from them
struct wlr_renderer *renderer = drm->mgpu_renderer.wlr_rend;
const struct wlr_drm_format_set *texture_formats =
wlr_renderer_get_dmabuf_texture_formats(renderer);
// Some configurations (alpine CI job) will have a renderer here that does not
// support dmabuf formats. We don't want to fail creation of the drm backend
// as a result of this, we simply don't populate the format set in that case.
if (texture_formats) {
// Forbid implicit modifiers, because their meaning changes from one
// GPU to another.
for (size_t i = 0; i < texture_formats->len; i++) {
@ -259,8 +255,6 @@ struct wlr_backend *wlr_drm_backend_create(struct wlr_session *session,
return &drm->backend;
error_mgpu_renderer:
finish_drm_renderer(&drm->mgpu_renderer);
error_resources:
finish_drm_resources(drm);
error_event: