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Viewing changes to src/platform/graphics/mesa/real_kms_output.cpp

  • Committer: Daniel van Vugt
  • Date: 2014-11-21 09:01:43 UTC
  • Revision ID: daniel.van.vugt@canonical.com-20141121090143-qf1k2us60vc9h0rh
Prototype frame skip detection

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Lines of Context:
src/platform/graphics/mesa/real_kms_output.cpp
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    : drm_fd{drm_fd}, connector_id{connector_id}, page_flipper{page_flipper},
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      connector(), mode_index{0}, current_crtc(), saved_crtc(),
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      using_saved_crtc{true}, has_cursor_{false},
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      power_mode(mir_power_mode_on)
 
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      power_mode(mir_power_mode_on),
 
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      any_seq(false)
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{
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    reset();
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    return page_flipper->schedule_flip(current_crtc->crtc_id, fb_id);
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}
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void mgm::RealKMSOutput::wait_for_page_flip()
 
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unsigned int mgm::RealKMSOutput::wait_for_page_flip()
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{
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    std::unique_lock<std::mutex> lg(power_mutex);
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    if (power_mode != mir_power_mode_on)
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        return;
 
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        return 0;
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    if (!current_crtc)
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    {
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        fatal_error("Output %s has no associated CRTC to wait on",
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                   connector_name(connector.get()).c_str());
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    }
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    page_flipper->wait_for_flip(current_crtc->crtc_id);
 
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    auto seq = page_flipper->wait_for_flip(current_crtc->crtc_id);
 
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    unsigned int delta = 1;
 
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    if (!any_seq)
 
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        any_seq = true;
 
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    else
 
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        delta = seq - last_seq;
 
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    last_seq = seq;
 
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    return delta;
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}
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void mgm::RealKMSOutput::set_cursor(gbm_bo* buffer)