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wlr_scene: Decide when to commit output damage with buffers in damage ring
We will soon support custom swapchains. In order to track output damage we should instead use the damage_ring which will hold all the buffers we are currently tracking anyway across an arbitrary amount of swapchains.
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1 changed files with 10 additions and 1 deletions
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@ -1294,7 +1294,16 @@ static void scene_output_handle_commit(struct wl_listener *listener, void *data)
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// will be acknowledged by the backend so we don't need to keep track of it
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// anymore
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if (state->committed & WLR_OUTPUT_STATE_DAMAGE) {
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if (wlr_swapchain_has_buffer(scene_output->output->swapchain, state->buffer)) {
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bool tracking_buffer = false;
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struct wlr_damage_ring_buffer *buffer;
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wl_list_for_each(buffer, &scene_output->damage_ring.buffers, link) {
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if (buffer->buffer == state->buffer) {
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tracking_buffer = true;
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break;
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}
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}
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if (tracking_buffer) {
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pixman_region32_subtract(&scene_output->pending_commit_damage,
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&scene_output->pending_commit_damage, &state->damage);
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} else {
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