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output: add wlr_output_get_primary_formats
This allows compositors to get primary formats without manually calling wlr_output_impl.get_primary_formats. For example, the Sway patch for linux-dmabuf feedback [1] needs this. [1]: https://github.com/swaywm/sway/pull/6313
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commit
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3 changed files with 32 additions and 20 deletions
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@ -460,6 +460,16 @@ void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock);
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*/
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void wlr_output_render_software_cursors(struct wlr_output *output,
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pixman_region32_t *damage);
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/**
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* Get the set of DRM formats suitable for the primary buffer, assuming a
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* buffer with the specified capabilities.
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*
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* NULL is returned if the backend doesn't have any format constraint, ie. all
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* formats are supported. An empty set is returned if the backend doesn't
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* support any format.
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*/
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const struct wlr_drm_format_set *wlr_output_get_primary_formats(
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struct wlr_output *output, uint32_t buffer_caps);
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struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output);
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@ -560,16 +560,8 @@ static bool output_basic_test(struct wlr_output *output) {
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struct wlr_allocator *allocator = output->allocator;
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assert(allocator != NULL);
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const struct wlr_drm_format_set *display_formats = NULL;
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if (output->impl->get_primary_formats) {
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display_formats =
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output->impl->get_primary_formats(output, allocator->buffer_caps);
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if (display_formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get primary display formats");
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return false;
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}
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}
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const struct wlr_drm_format_set *display_formats =
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wlr_output_get_primary_formats(output, allocator->buffer_caps);
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struct wlr_drm_format *format = output_pick_format(output, display_formats,
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output->pending.render_format);
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if (format == NULL) {
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@ -868,3 +860,21 @@ void wlr_output_damage_whole(struct wlr_output *output) {
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pixman_region32_fini(&damage);
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}
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const struct wlr_drm_format_set *wlr_output_get_primary_formats(
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struct wlr_output *output, uint32_t buffer_caps) {
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if (!output->impl->get_primary_formats) {
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return NULL;
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}
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const struct wlr_drm_format_set *formats =
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output->impl->get_primary_formats(output, buffer_caps);
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if (formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get primary display formats");
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static const struct wlr_drm_format_set empty_format_set = {0};
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return &empty_format_set;
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}
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return formats;
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}
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@ -51,16 +51,8 @@ static bool output_create_swapchain(struct wlr_output *output,
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struct wlr_allocator *allocator = output->allocator;
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assert(allocator != NULL);
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const struct wlr_drm_format_set *display_formats = NULL;
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if (output->impl->get_primary_formats) {
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display_formats =
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output->impl->get_primary_formats(output, allocator->buffer_caps);
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if (display_formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get primary display formats");
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return false;
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}
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}
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const struct wlr_drm_format_set *display_formats =
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wlr_output_get_primary_formats(output, allocator->buffer_caps);
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struct wlr_drm_format *format = output_pick_format(output, display_formats,
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output->render_format);
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if (format == NULL) {
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