Merge "vsyncId should always be incremental" into sc-dev am: 544b5f5b

 */

#include "TimeLord.h"

#include <limits>

#include "FrameInfo.h"

namespace android {

namespace uirenderer {

namespace renderthread {

TimeLord::TimeLord() : mFrameIntervalNanos(milliseconds_to_nanoseconds(16)),

                       mFrameTimeNanos(0),

                       mFrameIntendedTimeNanos(0),

                       mFrameVsyncId(-1),

                       mFrameDeadline(std::numeric_limits<int64_t>::max()){}

TimeLord::TimeLord()

        : mFrameIntervalNanos(milliseconds_to_nanoseconds(16))

        , mFrameTimeNanos(0)

        , mFrameIntendedTimeNanos(0)

        , mFrameVsyncId(UiFrameInfoBuilder::INVALID_VSYNC_ID)

        , mFrameDeadline(std::numeric_limits<int64_t>::max()) {}

bool TimeLord::vsyncReceived(nsecs_t vsync, nsecs_t intendedVsync, int64_t vsyncId,

                             int64_t frameDeadline, nsecs_t frameInterval) {

    if (intendedVsync > mFrameIntendedTimeNanos) {

        mFrameIntendedTimeNanos = intendedVsync;

        mFrameVsyncId = vsyncId;

        // The intendedVsync might have been advanced to account for scheduling

        // jitter. Since we don't have a way to advance the vsync id we just

        // reset it.

        mFrameVsyncId = (vsyncId > mFrameVsyncId) ? vsyncId : UiFrameInfoBuilder::INVALID_VSYNC_ID;

        mFrameDeadline = frameDeadline;

        if (frameInterval > 0) {

            mFrameIntervalNanos = frameInterval;