diff options
Diffstat (limited to 'indra/llui/llstatbar.cpp')
| -rw-r--r-- | indra/llui/llstatbar.cpp | 1432 |
1 files changed, 716 insertions, 716 deletions
diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp index cba9eca9d2..6e9b19a4de 100644 --- a/indra/llui/llstatbar.cpp +++ b/indra/llui/llstatbar.cpp @@ -1,716 +1,716 @@ -/** - * @file llstatbar.cpp - * @brief A little map of the world with network information - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -//#include "llviewerprecompiledheaders.h" -#include "linden_common.h" - -#include "llstatbar.h" - -#include "llmath.h" -#include "llui.h" -#include "llgl.h" -#include "llfontgl.h" - -#include "lluictrlfactory.h" -#include "lltracerecording.h" -#include "llcriticaldamp.h" -#include "lltooltip.h" -#include "lllocalcliprect.h" -#include <iostream> -#include "lltrans.h" - -// rate at which to update display of value that is rapidly changing -const F32 MEAN_VALUE_UPDATE_TIME = 1.f / 4.f; -// time between value changes that qualifies as a "rapid change" -const F32Seconds RAPID_CHANGE_THRESHOLD(0.2f); -// maximum number of rapid changes in RAPID_CHANGE_WINDOW before switching over to displaying the mean -// instead of latest value -const S32 MAX_RAPID_CHANGES_PER_SEC = 10; -// period of time over which to measure rapid changes -const F32Seconds RAPID_CHANGE_WINDOW(1.f); - -F32 calc_tick_value(F32 min, F32 max) -{ - F32 range = max - min; - const S32 DIVISORS[] = {6, 8, 10, 4, 5}; - // try storing - S32 best_decimal_digit_count = S32_MAX; - S32 best_divisor = 10; - for (U32 divisor_idx = 0; divisor_idx < LL_ARRAY_SIZE(DIVISORS); divisor_idx++) - { - S32 divisor = DIVISORS[divisor_idx]; - F32 possible_tick_value = range / divisor; - S32 num_whole_digits = llceil(logf(llabs(min + possible_tick_value)) * OO_LN10); - for (S32 digit_count = -(num_whole_digits - 1); digit_count < 6; digit_count++) - { - F32 test_tick_value = min + (possible_tick_value * pow(10.0, digit_count)); - - if (is_approx_equal((F32)(S32)test_tick_value, test_tick_value)) - { - if (digit_count < best_decimal_digit_count) - { - best_decimal_digit_count = digit_count; - best_divisor = divisor; - } - break; - } - } - } - - return is_approx_equal(range, 0.f) ? 0.f : range / best_divisor; -} - -void calc_auto_scale_range(F32& min, F32& max, F32& tick) -{ - min = llmin(0.f, min, max); - max = llmax(0.f, min, max); - - const F32 RANGES[] = {0.f, 1.f, 1.5f, 2.f, 3.f, 5.f, 10.f}; - const F32 TICKS[] = {0.f, 0.25f, 0.5f, 1.f, 1.f, 1.f, 2.f }; - - const S32 num_digits_max = is_approx_equal(llabs(max), 0.f) - ? S32_MIN + 1 - : llceil(logf(llabs(max)) * OO_LN10); - const S32 num_digits_min = is_approx_equal(llabs(min), 0.f) - ? S32_MIN + 1 - : llceil(logf(llabs(min)) * OO_LN10); - - const S32 num_digits = llmax(num_digits_max, num_digits_min); - const F32 power_of_10 = pow(10.0, num_digits - 1); - const F32 starting_max = power_of_10 * ((max < 0.f) ? -1 : 1); - const F32 starting_min = power_of_10 * ((min < 0.f) ? -1 : 1); - - F32 cur_max = starting_max; - F32 cur_min = starting_min; - F32 out_max = max; - F32 out_min = min; - - F32 cur_tick_min = 0.f; - F32 cur_tick_max = 0.f; - - for (S32 range_idx = 0; range_idx < LL_ARRAY_SIZE(RANGES); range_idx++) - { - cur_max = starting_max * RANGES[range_idx]; - cur_min = starting_min * RANGES[range_idx]; - - if (min > 0.f && cur_min <= min) - { - out_min = cur_min; - cur_tick_min = TICKS[range_idx]; - } - if (max < 0.f && cur_max >= max) - { - out_max = cur_max; - cur_tick_max = TICKS[range_idx]; - } - } - - cur_max = starting_max; - cur_min = starting_min; - for (S32 range_idx = LL_ARRAY_SIZE(RANGES) - 1; range_idx >= 0; range_idx--) - { - cur_max = starting_max * RANGES[range_idx]; - cur_min = starting_min * RANGES[range_idx]; - - if (min < 0.f && cur_min <= min) - { - out_min = cur_min; - cur_tick_min = TICKS[range_idx]; - } - if (max > 0.f && cur_max >= max) - { - out_max = cur_max; - cur_tick_max = TICKS[range_idx]; - } - } - - tick = power_of_10 * llmax(cur_tick_min, cur_tick_max); - min = out_min; - max = out_max; -} - -LLStatBar::Params::Params() -: label("label"), - unit_label("unit_label"), - bar_min("bar_min", 0.f), - bar_max("bar_max", 0.f), - tick_spacing("tick_spacing", 0.f), - decimal_digits("decimal_digits", 3), - show_bar("show_bar", false), - show_median("show_median", false), - show_history("show_history", false), - scale_range("scale_range", true), - num_frames("num_frames", 200), - num_frames_short("num_frames_short", 20), - max_height("max_height", 100), - stat("stat"), - orientation("orientation", VERTICAL) -{ - changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT); -} - -/////////////////////////////////////////////////////////////////////////////////// - -LLStatBar::LLStatBar(const Params& p) -: LLView(p), - mLabel(p.label), - mUnitLabel(p.unit_label), - mTargetMinBar(llmin(p.bar_min, p.bar_max)), - mTargetMaxBar(llmax(p.bar_max, p.bar_min)), - mCurMaxBar(p.bar_max), - mCurMinBar(0), - mDecimalDigits(p.decimal_digits), - mNumHistoryFrames(p.num_frames), - mNumShortHistoryFrames(p.num_frames_short), - mMaxHeight(p.max_height), - mDisplayBar(p.show_bar), - mShowMedian(p.show_median), - mDisplayHistory(p.show_history), - mOrientation(p.orientation), - mAutoScaleMax(!p.bar_max.isProvided()), - mAutoScaleMin(!p.bar_min.isProvided()), - mTickSpacing(p.tick_spacing), - mLastDisplayValue(0.f), - mStatType(STAT_NONE) -{ - mFloatingTargetMinBar = mTargetMinBar; - mFloatingTargetMaxBar = mTargetMaxBar; - - mStat.valid = NULL; - // tick value will be automatically calculated later - if (!p.tick_spacing.isProvided() && p.bar_min.isProvided() && p.bar_max.isProvided()) - { - mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar); - } - - setStat(p.stat); -} - -bool LLStatBar::handleHover(S32 x, S32 y, MASK mask) -{ - switch(mStatType) - { - case STAT_COUNT: - LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.countStatp->getDescription()).sticky_rect(calcScreenRect())); - break; - case STAT_EVENT: - LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.eventStatp->getDescription()).sticky_rect(calcScreenRect())); - break; - case STAT_SAMPLE: - LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.sampleStatp->getDescription()).sticky_rect(calcScreenRect())); - break; - default: - break; - } - return true; -} - -bool LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask) -{ - bool handled = LLView::handleMouseDown(x, y, mask); - if (!handled) - { - if (mDisplayBar) - { - if (mDisplayHistory || mOrientation == HORIZONTAL) - { - mDisplayBar = false; - mDisplayHistory = false; - } - else - { - mDisplayHistory = true; - } - } - else - { - mDisplayBar = true; - if (mOrientation == HORIZONTAL) - { - mDisplayHistory = true; - } - } - LLView* parent = getParent(); - parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), false); - } - return true; -} - -template<typename T> -S32 calc_num_rapid_changes(LLTrace::PeriodicRecording& periodic_recording, const T& stat, const F32Seconds time_period) -{ - F32Seconds elapsed_time, - time_since_value_changed; - S32 num_rapid_changes = 0; - const F32Seconds RAPID_CHANGE_THRESHOLD = F32Seconds(0.3f); - F64 last_value = periodic_recording.getPrevRecording(1).getLastValue(stat); - - for (S32 i = 2; i < periodic_recording.getNumRecordedPeriods(); i++) - { - LLTrace::Recording& recording = periodic_recording.getPrevRecording(i); - F64 cur_value = recording.getLastValue(stat); - - if (last_value != cur_value) - { - if (time_since_value_changed < RAPID_CHANGE_THRESHOLD) num_rapid_changes++; - time_since_value_changed = (F32Seconds)0; - } - last_value = cur_value; - - elapsed_time += recording.getDuration(); - if (elapsed_time > time_period) break; - } - - return num_rapid_changes; -} - -void LLStatBar::draw() -{ - LLLocalClipRect _(getLocalRect()); - - LLTrace::PeriodicRecording& frame_recording = LLTrace::get_frame_recording(); - LLTrace::Recording& last_frame_recording = frame_recording.getLastRecording(); - - std::string unit_label; - F32 current = 0, - min = 0, - max = 0, - mean = 0, - display_value = 0; - S32 num_frames = mDisplayHistory - ? mNumHistoryFrames - : mNumShortHistoryFrames; - S32 num_rapid_changes = 0; - S32 decimal_digits = mDecimalDigits; - - switch(mStatType) - { - case STAT_COUNT: - { - const LLTrace::StatType<LLTrace::CountAccumulator>& count_stat = *mStat.countStatp; - - unit_label = std::string(count_stat.getUnitLabel()) + "/s"; - current = last_frame_recording.getPerSec(count_stat); - min = frame_recording.getPeriodMinPerSec(count_stat, num_frames); - max = frame_recording.getPeriodMaxPerSec(count_stat, num_frames); - mean = frame_recording.getPeriodMeanPerSec(count_stat, num_frames); - if (mShowMedian) - { - display_value = frame_recording.getPeriodMedianPerSec(count_stat, num_frames); - } - else - { - display_value = mean; - } - } - break; - case STAT_EVENT: - { - const LLTrace::StatType<LLTrace::EventAccumulator>& event_stat = *mStat.eventStatp; - - unit_label = mUnitLabel.empty() ? event_stat.getUnitLabel() : mUnitLabel; - current = last_frame_recording.getLastValue(event_stat); - min = frame_recording.getPeriodMin(event_stat, num_frames); - max = frame_recording.getPeriodMax(event_stat, num_frames); - mean = frame_recording.getPeriodMean(event_stat, num_frames); - display_value = mean; - } - break; - case STAT_SAMPLE: - { - const LLTrace::StatType<LLTrace::SampleAccumulator>& sample_stat = *mStat.sampleStatp; - - unit_label = mUnitLabel.empty() ? sample_stat.getUnitLabel() : mUnitLabel; - current = last_frame_recording.getLastValue(sample_stat); - min = frame_recording.getPeriodMin(sample_stat, num_frames); - max = frame_recording.getPeriodMax(sample_stat, num_frames); - mean = frame_recording.getPeriodMean(sample_stat, num_frames); - num_rapid_changes = calc_num_rapid_changes(frame_recording, sample_stat, RAPID_CHANGE_WINDOW); - - if (mShowMedian) - { - display_value = frame_recording.getPeriodMedian(sample_stat, num_frames); - } - else if (num_rapid_changes / RAPID_CHANGE_WINDOW.value() > MAX_RAPID_CHANGES_PER_SEC) - { - display_value = mean; - } - else - { - display_value = current; - // always display current value, don't rate limit - mLastDisplayValue = current; - if (is_approx_equal((F32)(S32)display_value, display_value)) - { - decimal_digits = 0; - } - } - } - break; - default: - break; - } - - LLRect bar_rect; - if (mOrientation == HORIZONTAL) - { - bar_rect.mTop = llmax(5, getRect().getHeight() - 15); - bar_rect.mLeft = 0; - bar_rect.mRight = getRect().getWidth() - 40; - bar_rect.mBottom = llmin(bar_rect.mTop - 5, 0); - } - else // VERTICAL - { - bar_rect.mTop = llmax(5, getRect().getHeight() - 15); - bar_rect.mLeft = 0; - bar_rect.mRight = getRect().getWidth(); - bar_rect.mBottom = llmin(bar_rect.mTop - 5, 20); - } - - mCurMaxBar = LLSmoothInterpolation::lerp(mCurMaxBar, mTargetMaxBar, 0.05f); - mCurMinBar = LLSmoothInterpolation::lerp(mCurMinBar, mTargetMinBar, 0.05f); - - // rate limited updates - if (mLastDisplayValueTimer.getElapsedTimeF32() < MEAN_VALUE_UPDATE_TIME) - { - display_value = mLastDisplayValue; - } - else - { - mLastDisplayValueTimer.reset(); - } - drawLabelAndValue(display_value, unit_label, bar_rect, decimal_digits); - mLastDisplayValue = display_value; - - if (mDisplayBar && mStat.valid) - { - // Draw the tick marks. - LLGLSUIDefault gls_ui; - gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - - F32 value_scale; - if (mCurMaxBar == mCurMinBar) - { - value_scale = 0.f; - } - else - { - value_scale = (mOrientation == HORIZONTAL) - ? (bar_rect.getHeight())/(mCurMaxBar - mCurMinBar) - : (bar_rect.getWidth())/(mCurMaxBar - mCurMinBar); - } - - drawTicks(min, max, value_scale, bar_rect); - - // draw background bar. - gl_rect_2d(bar_rect.mLeft, bar_rect.mTop, bar_rect.mRight, bar_rect.mBottom, LLColor4(0.f, 0.f, 0.f, 0.25f)); - - // draw values - if (!llisnan(display_value) && frame_recording.getNumRecordedPeriods() != 0) - { - // draw min and max - S32 begin = (S32) ((min - mCurMinBar) * value_scale); - - if (begin < 0) - { - begin = 0; - } - - S32 end = (S32) ((max - mCurMinBar) * value_scale); - if (mOrientation == HORIZONTAL) - { - gl_rect_2d(bar_rect.mLeft, end, bar_rect.mRight, begin, LLColor4(1.f, 0.f, 0.f, 0.25f)); - } - else // VERTICAL - { - gl_rect_2d(begin, bar_rect.mTop, end, bar_rect.mBottom, LLColor4(1.f, 0.f, 0.f, 0.25f)); - } - - F32 span = (mOrientation == HORIZONTAL) - ? (bar_rect.getWidth()) - : (bar_rect.getHeight()); - - if (mDisplayHistory && mStat.valid) - { - const S32 num_values = frame_recording.getNumRecordedPeriods() - 1; - F32 min_value = 0.f, - max_value = 0.f; - - gGL.color4f(1.f, 0.f, 0.f, 1.f); - gGL.begin( LLRender::QUADS ); - const S32 max_frame = llmin(num_frames, num_values); - U32 num_samples = 0; - for (S32 i = 1; i <= max_frame; i++) - { - F32 offset = ((F32)i / (F32)num_frames) * span; - LLTrace::Recording& recording = frame_recording.getPrevRecording(i); - - switch(mStatType) - { - case STAT_COUNT: - min_value = recording.getPerSec(*mStat.countStatp); - max_value = min_value; - num_samples = recording.getSampleCount(*mStat.countStatp); - break; - case STAT_EVENT: - min_value = recording.getMin(*mStat.eventStatp); - max_value = recording.getMax(*mStat.eventStatp); - num_samples = recording.getSampleCount(*mStat.eventStatp); - break; - case STAT_SAMPLE: - min_value = recording.getMin(*mStat.sampleStatp); - max_value = recording.getMax(*mStat.sampleStatp); - num_samples = recording.getSampleCount(*mStat.sampleStatp); - break; - default: - break; - } - - if (!num_samples) continue; - - F32 min = (min_value - mCurMinBar) * value_scale; - F32 max = llmax(min + 1, (max_value - mCurMinBar) * value_scale); - if (mOrientation == HORIZONTAL) - { - gGL.vertex2f((F32)bar_rect.mRight - offset, max); - gGL.vertex2f((F32)bar_rect.mRight - offset, min); - gGL.vertex2f((F32)bar_rect.mRight - offset - 1, min); - gGL.vertex2f((F32)bar_rect.mRight - offset - 1, max); - } - else - { - gGL.vertex2f(min, (F32)bar_rect.mBottom + offset + 1); - gGL.vertex2f(min, (F32)bar_rect.mBottom + offset); - gGL.vertex2f(max, (F32)bar_rect.mBottom + offset); - gGL.vertex2f(max, (F32)bar_rect.mBottom + offset + 1 ); - } - } - gGL.end(); - } - else - { - S32 begin = (S32) ((current - mCurMinBar) * value_scale) - 1; - S32 end = (S32) ((current - mCurMinBar) * value_scale) + 1; - // draw current - if (mOrientation == HORIZONTAL) - { - gl_rect_2d(bar_rect.mLeft, end, bar_rect.mRight, begin, LLColor4(1.f, 0.f, 0.f, 1.f)); - } - else - { - gl_rect_2d(begin, bar_rect.mTop, end, bar_rect.mBottom, LLColor4(1.f, 0.f, 0.f, 1.f)); - } - } - - // draw mean bar - { - const S32 begin = (S32) ((mean - mCurMinBar) * value_scale) - 1; - const S32 end = (S32) ((mean - mCurMinBar) * value_scale) + 1; - if (mOrientation == HORIZONTAL) - { - gl_rect_2d(bar_rect.mLeft - 2, begin, bar_rect.mRight + 2, end, LLColor4(0.f, 1.f, 0.f, 1.f)); - } - else - { - gl_rect_2d(begin, bar_rect.mTop + 2, end, bar_rect.mBottom - 2, LLColor4(0.f, 1.f, 0.f, 1.f)); - } - } - } - } - - LLView::draw(); -} - -void LLStatBar::setStat(const std::string& stat_name) -{ - using namespace LLTrace; - - if (auto count_stat = StatType<CountAccumulator>::getInstance(stat_name)) - { - mStat.countStatp = count_stat.get(); - mStatType = STAT_COUNT; - } - else if (auto event_stat = StatType<EventAccumulator>::getInstance(stat_name)) - { - mStat.eventStatp = event_stat.get(); - mStatType = STAT_EVENT; - } - else if (auto sample_stat = StatType<SampleAccumulator>::getInstance(stat_name)) - { - mStat.sampleStatp = sample_stat.get(); - mStatType = STAT_SAMPLE; - } -} - -void LLStatBar::setRange(F32 bar_min, F32 bar_max) -{ - mTargetMinBar = llmin(bar_min, bar_max); - mTargetMaxBar = llmax(bar_min, bar_max); - mFloatingTargetMinBar = mTargetMinBar; - mFloatingTargetMaxBar = mTargetMaxBar; - mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar); -} - -LLRect LLStatBar::getRequiredRect() -{ - LLRect rect; - - if (mDisplayBar) - { - if (mDisplayHistory) - { - rect.mTop = mMaxHeight; - } - else - { - rect.mTop = 40; - } - } - else - { - rect.mTop = 14; - } - return rect; -} - -void LLStatBar::drawLabelAndValue( F32 value, std::string &label, LLRect &bar_rect, S32 decimal_digits ) -{ - LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f), - LLFontGL::LEFT, LLFontGL::TOP); - - std::string value_str = !llisnan(value) - ? llformat("%10.*f %s", decimal_digits, value, label.c_str()) - : LLTrans::getString("na"); - - // Draw the current value. - if (mOrientation == HORIZONTAL) - { - LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_rect.mRight, getRect().getHeight(), - LLColor4(1.f, 1.f, 1.f, 1.f), - LLFontGL::RIGHT, LLFontGL::TOP); - } - else - { - LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_rect.mRight, getRect().getHeight(), - LLColor4(1.f, 1.f, 1.f, 1.f), - LLFontGL::RIGHT, LLFontGL::TOP); - } -} - -void LLStatBar::drawTicks( F32 min, F32 max, F32 value_scale, LLRect &bar_rect ) -{ - if (!llisnan(min) && (mAutoScaleMax || mAutoScaleMin)) - { - F32 u = LLSmoothInterpolation::getInterpolant(10.f); - mFloatingTargetMinBar = llmin(min, lerp(mFloatingTargetMinBar, min, u)); - mFloatingTargetMaxBar = llmax(max, lerp(mFloatingTargetMaxBar, max, u)); - F32 range_min = mAutoScaleMin ? mFloatingTargetMinBar : mTargetMinBar; - F32 range_max = mAutoScaleMax ? mFloatingTargetMaxBar : mTargetMaxBar; - F32 tick_value = 0.f; - calc_auto_scale_range(range_min, range_max, tick_value); - if (mAutoScaleMin) { mTargetMinBar = range_min; } - if (mAutoScaleMax) { mTargetMaxBar = range_max; } - if (mAutoScaleMin && mAutoScaleMax) - { - mTickSpacing = tick_value; - } - else - { - mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar); - } - } - - // start counting from actual min, not current, animating min, so that ticks don't float between numbers - // ensure ticks always hit 0 - S32 last_tick = S32_MIN; - S32 last_label = S32_MIN; - if (mTickSpacing > 0.f && value_scale > 0.f) - { - const S32 MIN_TICK_SPACING = mOrientation == HORIZONTAL ? 20 : 30; - const S32 MIN_LABEL_SPACING = mOrientation == HORIZONTAL ? 30 : 60; - const S32 TICK_LENGTH = 4; - const S32 TICK_WIDTH = 1; - - F32 start = mCurMinBar < 0.f - ? llceil(-mCurMinBar / mTickSpacing) * -mTickSpacing - : 0.f; - for (F32 tick_value = start; ;tick_value += mTickSpacing) - { - // clamp to S32_MAX / 2 to avoid floating point to integer overflow resulting in S32_MIN - const S32 tick_begin = llfloor(llmin((F32)(S32_MAX / 2), (tick_value - mCurMinBar)*value_scale)); - const S32 tick_end = tick_begin + TICK_WIDTH; - if (tick_begin < last_tick + MIN_TICK_SPACING) - { - continue; - } - last_tick = tick_begin; - - S32 decimal_digits = mDecimalDigits; - if (is_approx_equal((F32)(S32)tick_value, tick_value)) - { - decimal_digits = 0; - } - std::string tick_label = llformat("%.*f", decimal_digits, tick_value); - S32 tick_label_width = LLFontGL::getFontMonospace()->getWidth(tick_label); - if (mOrientation == HORIZONTAL) - { - if (tick_begin > last_label + MIN_LABEL_SPACING) - { - gl_rect_2d(bar_rect.mLeft, tick_end, bar_rect.mRight - TICK_LENGTH, tick_begin, LLColor4(1.f, 1.f, 1.f, 0.25f)); - LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, bar_rect.mRight, tick_begin, - LLColor4(1.f, 1.f, 1.f, 0.5f), - LLFontGL::LEFT, LLFontGL::VCENTER); - last_label = tick_begin; - } - else - { - gl_rect_2d(bar_rect.mLeft, tick_end, bar_rect.mRight - TICK_LENGTH/2, tick_begin, LLColor4(1.f, 1.f, 1.f, 0.1f)); - } - } - else - { - if (tick_begin > last_label + MIN_LABEL_SPACING) - { - gl_rect_2d(tick_begin, bar_rect.mTop, tick_end, bar_rect.mBottom - TICK_LENGTH, LLColor4(1.f, 1.f, 1.f, 0.25f)); - S32 label_pos = tick_begin - ll_round((F32)tick_label_width * ((F32)tick_begin / (F32)bar_rect.getWidth())); - LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, label_pos, bar_rect.mBottom - TICK_LENGTH, - LLColor4(1.f, 1.f, 1.f, 0.5f), - LLFontGL::LEFT, LLFontGL::TOP); - last_label = label_pos; - } - else - { - gl_rect_2d(tick_begin, bar_rect.mTop, tick_end, bar_rect.mBottom - TICK_LENGTH/2, LLColor4(1.f, 1.f, 1.f, 0.1f)); - } - } - // always draw one tick value past tick_end, so we can see part of the text, if possible - if (tick_value > mCurMaxBar) - { - break; - } - } - } -} +/**
+ * @file llstatbar.cpp
+ * @brief A little map of the world with network information
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+//#include "llviewerprecompiledheaders.h"
+#include "linden_common.h"
+
+#include "llstatbar.h"
+
+#include "llmath.h"
+#include "llui.h"
+#include "llgl.h"
+#include "llfontgl.h"
+
+#include "lluictrlfactory.h"
+#include "lltracerecording.h"
+#include "llcriticaldamp.h"
+#include "lltooltip.h"
+#include "lllocalcliprect.h"
+#include <iostream>
+#include "lltrans.h"
+
+// rate at which to update display of value that is rapidly changing
+const F32 MEAN_VALUE_UPDATE_TIME = 1.f / 4.f;
+// time between value changes that qualifies as a "rapid change"
+const F32Seconds RAPID_CHANGE_THRESHOLD(0.2f);
+// maximum number of rapid changes in RAPID_CHANGE_WINDOW before switching over to displaying the mean
+// instead of latest value
+const S32 MAX_RAPID_CHANGES_PER_SEC = 10;
+// period of time over which to measure rapid changes
+const F32Seconds RAPID_CHANGE_WINDOW(1.f);
+
+F32 calc_tick_value(F32 min, F32 max)
+{
+ F32 range = max - min;
+ const S32 DIVISORS[] = {6, 8, 10, 4, 5};
+ // try storing
+ S32 best_decimal_digit_count = S32_MAX;
+ S32 best_divisor = 10;
+ for (U32 divisor_idx = 0; divisor_idx < LL_ARRAY_SIZE(DIVISORS); divisor_idx++)
+ {
+ S32 divisor = DIVISORS[divisor_idx];
+ F32 possible_tick_value = range / divisor;
+ S32 num_whole_digits = llceil(logf(llabs(min + possible_tick_value)) * OO_LN10);
+ for (S32 digit_count = -(num_whole_digits - 1); digit_count < 6; digit_count++)
+ {
+ F32 test_tick_value = min + (possible_tick_value * pow(10.0, digit_count));
+
+ if (is_approx_equal((F32)(S32)test_tick_value, test_tick_value))
+ {
+ if (digit_count < best_decimal_digit_count)
+ {
+ best_decimal_digit_count = digit_count;
+ best_divisor = divisor;
+ }
+ break;
+ }
+ }
+ }
+
+ return is_approx_equal(range, 0.f) ? 0.f : range / best_divisor;
+}
+
+void calc_auto_scale_range(F32& min, F32& max, F32& tick)
+{
+ min = llmin(0.f, min, max);
+ max = llmax(0.f, min, max);
+
+ const F32 RANGES[] = {0.f, 1.f, 1.5f, 2.f, 3.f, 5.f, 10.f};
+ const F32 TICKS[] = {0.f, 0.25f, 0.5f, 1.f, 1.f, 1.f, 2.f };
+
+ const S32 num_digits_max = is_approx_equal(llabs(max), 0.f)
+ ? S32_MIN + 1
+ : llceil(logf(llabs(max)) * OO_LN10);
+ const S32 num_digits_min = is_approx_equal(llabs(min), 0.f)
+ ? S32_MIN + 1
+ : llceil(logf(llabs(min)) * OO_LN10);
+
+ const S32 num_digits = llmax(num_digits_max, num_digits_min);
+ const F32 power_of_10 = pow(10.0, num_digits - 1);
+ const F32 starting_max = power_of_10 * ((max < 0.f) ? -1 : 1);
+ const F32 starting_min = power_of_10 * ((min < 0.f) ? -1 : 1);
+
+ F32 cur_max = starting_max;
+ F32 cur_min = starting_min;
+ F32 out_max = max;
+ F32 out_min = min;
+
+ F32 cur_tick_min = 0.f;
+ F32 cur_tick_max = 0.f;
+
+ for (S32 range_idx = 0; range_idx < LL_ARRAY_SIZE(RANGES); range_idx++)
+ {
+ cur_max = starting_max * RANGES[range_idx];
+ cur_min = starting_min * RANGES[range_idx];
+
+ if (min > 0.f && cur_min <= min)
+ {
+ out_min = cur_min;
+ cur_tick_min = TICKS[range_idx];
+ }
+ if (max < 0.f && cur_max >= max)
+ {
+ out_max = cur_max;
+ cur_tick_max = TICKS[range_idx];
+ }
+ }
+
+ cur_max = starting_max;
+ cur_min = starting_min;
+ for (S32 range_idx = LL_ARRAY_SIZE(RANGES) - 1; range_idx >= 0; range_idx--)
+ {
+ cur_max = starting_max * RANGES[range_idx];
+ cur_min = starting_min * RANGES[range_idx];
+
+ if (min < 0.f && cur_min <= min)
+ {
+ out_min = cur_min;
+ cur_tick_min = TICKS[range_idx];
+ }
+ if (max > 0.f && cur_max >= max)
+ {
+ out_max = cur_max;
+ cur_tick_max = TICKS[range_idx];
+ }
+ }
+
+ tick = power_of_10 * llmax(cur_tick_min, cur_tick_max);
+ min = out_min;
+ max = out_max;
+}
+
+LLStatBar::Params::Params()
+: label("label"),
+ unit_label("unit_label"),
+ bar_min("bar_min", 0.f),
+ bar_max("bar_max", 0.f),
+ tick_spacing("tick_spacing", 0.f),
+ decimal_digits("decimal_digits", 3),
+ show_bar("show_bar", false),
+ show_median("show_median", false),
+ show_history("show_history", false),
+ scale_range("scale_range", true),
+ num_frames("num_frames", 200),
+ num_frames_short("num_frames_short", 20),
+ max_height("max_height", 100),
+ stat("stat"),
+ orientation("orientation", VERTICAL)
+{
+ changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
+}
+
+///////////////////////////////////////////////////////////////////////////////////
+
+LLStatBar::LLStatBar(const Params& p)
+: LLView(p),
+ mLabel(p.label),
+ mUnitLabel(p.unit_label),
+ mTargetMinBar(llmin(p.bar_min, p.bar_max)),
+ mTargetMaxBar(llmax(p.bar_max, p.bar_min)),
+ mCurMaxBar(p.bar_max),
+ mCurMinBar(0),
+ mDecimalDigits(p.decimal_digits),
+ mNumHistoryFrames(p.num_frames),
+ mNumShortHistoryFrames(p.num_frames_short),
+ mMaxHeight(p.max_height),
+ mDisplayBar(p.show_bar),
+ mShowMedian(p.show_median),
+ mDisplayHistory(p.show_history),
+ mOrientation(p.orientation),
+ mAutoScaleMax(!p.bar_max.isProvided()),
+ mAutoScaleMin(!p.bar_min.isProvided()),
+ mTickSpacing(p.tick_spacing),
+ mLastDisplayValue(0.f),
+ mStatType(STAT_NONE)
+{
+ mFloatingTargetMinBar = mTargetMinBar;
+ mFloatingTargetMaxBar = mTargetMaxBar;
+
+ mStat.valid = NULL;
+ // tick value will be automatically calculated later
+ if (!p.tick_spacing.isProvided() && p.bar_min.isProvided() && p.bar_max.isProvided())
+ {
+ mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar);
+ }
+
+ setStat(p.stat);
+}
+
+bool LLStatBar::handleHover(S32 x, S32 y, MASK mask)
+{
+ switch(mStatType)
+ {
+ case STAT_COUNT:
+ LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.countStatp->getDescription()).sticky_rect(calcScreenRect()));
+ break;
+ case STAT_EVENT:
+ LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.eventStatp->getDescription()).sticky_rect(calcScreenRect()));
+ break;
+ case STAT_SAMPLE:
+ LLToolTipMgr::instance().show(LLToolTip::Params().message(mStat.sampleStatp->getDescription()).sticky_rect(calcScreenRect()));
+ break;
+ default:
+ break;
+ }
+ return true;
+}
+
+bool LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+ bool handled = LLView::handleMouseDown(x, y, mask);
+ if (!handled)
+ {
+ if (mDisplayBar)
+ {
+ if (mDisplayHistory || mOrientation == HORIZONTAL)
+ {
+ mDisplayBar = false;
+ mDisplayHistory = false;
+ }
+ else
+ {
+ mDisplayHistory = true;
+ }
+ }
+ else
+ {
+ mDisplayBar = true;
+ if (mOrientation == HORIZONTAL)
+ {
+ mDisplayHistory = true;
+ }
+ }
+ LLView* parent = getParent();
+ parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), false);
+ }
+ return true;
+}
+
+template<typename T>
+S32 calc_num_rapid_changes(LLTrace::PeriodicRecording& periodic_recording, const T& stat, const F32Seconds time_period)
+{
+ F32Seconds elapsed_time,
+ time_since_value_changed;
+ S32 num_rapid_changes = 0;
+ const F32Seconds RAPID_CHANGE_THRESHOLD = F32Seconds(0.3f);
+ F64 last_value = periodic_recording.getPrevRecording(1).getLastValue(stat);
+
+ for (S32 i = 2; i < periodic_recording.getNumRecordedPeriods(); i++)
+ {
+ LLTrace::Recording& recording = periodic_recording.getPrevRecording(i);
+ F64 cur_value = recording.getLastValue(stat);
+
+ if (last_value != cur_value)
+ {
+ if (time_since_value_changed < RAPID_CHANGE_THRESHOLD) num_rapid_changes++;
+ time_since_value_changed = (F32Seconds)0;
+ }
+ last_value = cur_value;
+
+ elapsed_time += recording.getDuration();
+ if (elapsed_time > time_period) break;
+ }
+
+ return num_rapid_changes;
+}
+
+void LLStatBar::draw()
+{
+ LLLocalClipRect _(getLocalRect());
+
+ LLTrace::PeriodicRecording& frame_recording = LLTrace::get_frame_recording();
+ LLTrace::Recording& last_frame_recording = frame_recording.getLastRecording();
+
+ std::string unit_label;
+ F32 current = 0,
+ min = 0,
+ max = 0,
+ mean = 0,
+ display_value = 0;
+ S32 num_frames = mDisplayHistory
+ ? mNumHistoryFrames
+ : mNumShortHistoryFrames;
+ S32 num_rapid_changes = 0;
+ S32 decimal_digits = mDecimalDigits;
+
+ switch(mStatType)
+ {
+ case STAT_COUNT:
+ {
+ const LLTrace::StatType<LLTrace::CountAccumulator>& count_stat = *mStat.countStatp;
+
+ unit_label = std::string(count_stat.getUnitLabel()) + "/s";
+ current = last_frame_recording.getPerSec(count_stat);
+ min = frame_recording.getPeriodMinPerSec(count_stat, num_frames);
+ max = frame_recording.getPeriodMaxPerSec(count_stat, num_frames);
+ mean = frame_recording.getPeriodMeanPerSec(count_stat, num_frames);
+ if (mShowMedian)
+ {
+ display_value = frame_recording.getPeriodMedianPerSec(count_stat, num_frames);
+ }
+ else
+ {
+ display_value = mean;
+ }
+ }
+ break;
+ case STAT_EVENT:
+ {
+ const LLTrace::StatType<LLTrace::EventAccumulator>& event_stat = *mStat.eventStatp;
+
+ unit_label = mUnitLabel.empty() ? event_stat.getUnitLabel() : mUnitLabel;
+ current = last_frame_recording.getLastValue(event_stat);
+ min = frame_recording.getPeriodMin(event_stat, num_frames);
+ max = frame_recording.getPeriodMax(event_stat, num_frames);
+ mean = frame_recording.getPeriodMean(event_stat, num_frames);
+ display_value = mean;
+ }
+ break;
+ case STAT_SAMPLE:
+ {
+ const LLTrace::StatType<LLTrace::SampleAccumulator>& sample_stat = *mStat.sampleStatp;
+
+ unit_label = mUnitLabel.empty() ? sample_stat.getUnitLabel() : mUnitLabel;
+ current = last_frame_recording.getLastValue(sample_stat);
+ min = frame_recording.getPeriodMin(sample_stat, num_frames);
+ max = frame_recording.getPeriodMax(sample_stat, num_frames);
+ mean = frame_recording.getPeriodMean(sample_stat, num_frames);
+ num_rapid_changes = calc_num_rapid_changes(frame_recording, sample_stat, RAPID_CHANGE_WINDOW);
+
+ if (mShowMedian)
+ {
+ display_value = frame_recording.getPeriodMedian(sample_stat, num_frames);
+ }
+ else if (num_rapid_changes / RAPID_CHANGE_WINDOW.value() > MAX_RAPID_CHANGES_PER_SEC)
+ {
+ display_value = mean;
+ }
+ else
+ {
+ display_value = current;
+ // always display current value, don't rate limit
+ mLastDisplayValue = current;
+ if (is_approx_equal((F32)(S32)display_value, display_value))
+ {
+ decimal_digits = 0;
+ }
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ LLRect bar_rect;
+ if (mOrientation == HORIZONTAL)
+ {
+ bar_rect.mTop = llmax(5, getRect().getHeight() - 15);
+ bar_rect.mLeft = 0;
+ bar_rect.mRight = getRect().getWidth() - 40;
+ bar_rect.mBottom = llmin(bar_rect.mTop - 5, 0);
+ }
+ else // VERTICAL
+ {
+ bar_rect.mTop = llmax(5, getRect().getHeight() - 15);
+ bar_rect.mLeft = 0;
+ bar_rect.mRight = getRect().getWidth();
+ bar_rect.mBottom = llmin(bar_rect.mTop - 5, 20);
+ }
+
+ mCurMaxBar = LLSmoothInterpolation::lerp(mCurMaxBar, mTargetMaxBar, 0.05f);
+ mCurMinBar = LLSmoothInterpolation::lerp(mCurMinBar, mTargetMinBar, 0.05f);
+
+ // rate limited updates
+ if (mLastDisplayValueTimer.getElapsedTimeF32() < MEAN_VALUE_UPDATE_TIME)
+ {
+ display_value = mLastDisplayValue;
+ }
+ else
+ {
+ mLastDisplayValueTimer.reset();
+ }
+ drawLabelAndValue(display_value, unit_label, bar_rect, decimal_digits);
+ mLastDisplayValue = display_value;
+
+ if (mDisplayBar && mStat.valid)
+ {
+ // Draw the tick marks.
+ LLGLSUIDefault gls_ui;
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+ F32 value_scale;
+ if (mCurMaxBar == mCurMinBar)
+ {
+ value_scale = 0.f;
+ }
+ else
+ {
+ value_scale = (mOrientation == HORIZONTAL)
+ ? (bar_rect.getHeight())/(mCurMaxBar - mCurMinBar)
+ : (bar_rect.getWidth())/(mCurMaxBar - mCurMinBar);
+ }
+
+ drawTicks(min, max, value_scale, bar_rect);
+
+ // draw background bar.
+ gl_rect_2d(bar_rect.mLeft, bar_rect.mTop, bar_rect.mRight, bar_rect.mBottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
+
+ // draw values
+ if (!llisnan(display_value) && frame_recording.getNumRecordedPeriods() != 0)
+ {
+ // draw min and max
+ S32 begin = (S32) ((min - mCurMinBar) * value_scale);
+
+ if (begin < 0)
+ {
+ begin = 0;
+ }
+
+ S32 end = (S32) ((max - mCurMinBar) * value_scale);
+ if (mOrientation == HORIZONTAL)
+ {
+ gl_rect_2d(bar_rect.mLeft, end, bar_rect.mRight, begin, LLColor4(1.f, 0.f, 0.f, 0.25f));
+ }
+ else // VERTICAL
+ {
+ gl_rect_2d(begin, bar_rect.mTop, end, bar_rect.mBottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
+ }
+
+ F32 span = (mOrientation == HORIZONTAL)
+ ? (bar_rect.getWidth())
+ : (bar_rect.getHeight());
+
+ if (mDisplayHistory && mStat.valid)
+ {
+ const S32 num_values = frame_recording.getNumRecordedPeriods() - 1;
+ F32 min_value = 0.f,
+ max_value = 0.f;
+
+ gGL.color4f(1.f, 0.f, 0.f, 1.f);
+ gGL.begin( LLRender::QUADS );
+ const S32 max_frame = llmin(num_frames, num_values);
+ U32 num_samples = 0;
+ for (S32 i = 1; i <= max_frame; i++)
+ {
+ F32 offset = ((F32)i / (F32)num_frames) * span;
+ LLTrace::Recording& recording = frame_recording.getPrevRecording(i);
+
+ switch(mStatType)
+ {
+ case STAT_COUNT:
+ min_value = recording.getPerSec(*mStat.countStatp);
+ max_value = min_value;
+ num_samples = recording.getSampleCount(*mStat.countStatp);
+ break;
+ case STAT_EVENT:
+ min_value = recording.getMin(*mStat.eventStatp);
+ max_value = recording.getMax(*mStat.eventStatp);
+ num_samples = recording.getSampleCount(*mStat.eventStatp);
+ break;
+ case STAT_SAMPLE:
+ min_value = recording.getMin(*mStat.sampleStatp);
+ max_value = recording.getMax(*mStat.sampleStatp);
+ num_samples = recording.getSampleCount(*mStat.sampleStatp);
+ break;
+ default:
+ break;
+ }
+
+ if (!num_samples) continue;
+
+ F32 min = (min_value - mCurMinBar) * value_scale;
+ F32 max = llmax(min + 1, (max_value - mCurMinBar) * value_scale);
+ if (mOrientation == HORIZONTAL)
+ {
+ gGL.vertex2f((F32)bar_rect.mRight - offset, max);
+ gGL.vertex2f((F32)bar_rect.mRight - offset, min);
+ gGL.vertex2f((F32)bar_rect.mRight - offset - 1, min);
+ gGL.vertex2f((F32)bar_rect.mRight - offset - 1, max);
+ }
+ else
+ {
+ gGL.vertex2f(min, (F32)bar_rect.mBottom + offset + 1);
+ gGL.vertex2f(min, (F32)bar_rect.mBottom + offset);
+ gGL.vertex2f(max, (F32)bar_rect.mBottom + offset);
+ gGL.vertex2f(max, (F32)bar_rect.mBottom + offset + 1 );
+ }
+ }
+ gGL.end();
+ }
+ else
+ {
+ S32 begin = (S32) ((current - mCurMinBar) * value_scale) - 1;
+ S32 end = (S32) ((current - mCurMinBar) * value_scale) + 1;
+ // draw current
+ if (mOrientation == HORIZONTAL)
+ {
+ gl_rect_2d(bar_rect.mLeft, end, bar_rect.mRight, begin, LLColor4(1.f, 0.f, 0.f, 1.f));
+ }
+ else
+ {
+ gl_rect_2d(begin, bar_rect.mTop, end, bar_rect.mBottom, LLColor4(1.f, 0.f, 0.f, 1.f));
+ }
+ }
+
+ // draw mean bar
+ {
+ const S32 begin = (S32) ((mean - mCurMinBar) * value_scale) - 1;
+ const S32 end = (S32) ((mean - mCurMinBar) * value_scale) + 1;
+ if (mOrientation == HORIZONTAL)
+ {
+ gl_rect_2d(bar_rect.mLeft - 2, begin, bar_rect.mRight + 2, end, LLColor4(0.f, 1.f, 0.f, 1.f));
+ }
+ else
+ {
+ gl_rect_2d(begin, bar_rect.mTop + 2, end, bar_rect.mBottom - 2, LLColor4(0.f, 1.f, 0.f, 1.f));
+ }
+ }
+ }
+ }
+
+ LLView::draw();
+}
+
+void LLStatBar::setStat(const std::string& stat_name)
+{
+ using namespace LLTrace;
+
+ if (auto count_stat = StatType<CountAccumulator>::getInstance(stat_name))
+ {
+ mStat.countStatp = count_stat.get();
+ mStatType = STAT_COUNT;
+ }
+ else if (auto event_stat = StatType<EventAccumulator>::getInstance(stat_name))
+ {
+ mStat.eventStatp = event_stat.get();
+ mStatType = STAT_EVENT;
+ }
+ else if (auto sample_stat = StatType<SampleAccumulator>::getInstance(stat_name))
+ {
+ mStat.sampleStatp = sample_stat.get();
+ mStatType = STAT_SAMPLE;
+ }
+}
+
+void LLStatBar::setRange(F32 bar_min, F32 bar_max)
+{
+ mTargetMinBar = llmin(bar_min, bar_max);
+ mTargetMaxBar = llmax(bar_min, bar_max);
+ mFloatingTargetMinBar = mTargetMinBar;
+ mFloatingTargetMaxBar = mTargetMaxBar;
+ mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar);
+}
+
+LLRect LLStatBar::getRequiredRect()
+{
+ LLRect rect;
+
+ if (mDisplayBar)
+ {
+ if (mDisplayHistory)
+ {
+ rect.mTop = mMaxHeight;
+ }
+ else
+ {
+ rect.mTop = 40;
+ }
+ }
+ else
+ {
+ rect.mTop = 14;
+ }
+ return rect;
+}
+
+void LLStatBar::drawLabelAndValue( F32 value, std::string &label, LLRect &bar_rect, S32 decimal_digits )
+{
+ LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f),
+ LLFontGL::LEFT, LLFontGL::TOP);
+
+ std::string value_str = !llisnan(value)
+ ? llformat("%10.*f %s", decimal_digits, value, label.c_str())
+ : LLTrans::getString("na");
+
+ // Draw the current value.
+ if (mOrientation == HORIZONTAL)
+ {
+ LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_rect.mRight, getRect().getHeight(),
+ LLColor4(1.f, 1.f, 1.f, 1.f),
+ LLFontGL::RIGHT, LLFontGL::TOP);
+ }
+ else
+ {
+ LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, bar_rect.mRight, getRect().getHeight(),
+ LLColor4(1.f, 1.f, 1.f, 1.f),
+ LLFontGL::RIGHT, LLFontGL::TOP);
+ }
+}
+
+void LLStatBar::drawTicks( F32 min, F32 max, F32 value_scale, LLRect &bar_rect )
+{
+ if (!llisnan(min) && (mAutoScaleMax || mAutoScaleMin))
+ {
+ F32 u = LLSmoothInterpolation::getInterpolant(10.f);
+ mFloatingTargetMinBar = llmin(min, lerp(mFloatingTargetMinBar, min, u));
+ mFloatingTargetMaxBar = llmax(max, lerp(mFloatingTargetMaxBar, max, u));
+ F32 range_min = mAutoScaleMin ? mFloatingTargetMinBar : mTargetMinBar;
+ F32 range_max = mAutoScaleMax ? mFloatingTargetMaxBar : mTargetMaxBar;
+ F32 tick_value = 0.f;
+ calc_auto_scale_range(range_min, range_max, tick_value);
+ if (mAutoScaleMin) { mTargetMinBar = range_min; }
+ if (mAutoScaleMax) { mTargetMaxBar = range_max; }
+ if (mAutoScaleMin && mAutoScaleMax)
+ {
+ mTickSpacing = tick_value;
+ }
+ else
+ {
+ mTickSpacing = calc_tick_value(mTargetMinBar, mTargetMaxBar);
+ }
+ }
+
+ // start counting from actual min, not current, animating min, so that ticks don't float between numbers
+ // ensure ticks always hit 0
+ S32 last_tick = S32_MIN;
+ S32 last_label = S32_MIN;
+ if (mTickSpacing > 0.f && value_scale > 0.f)
+ {
+ const S32 MIN_TICK_SPACING = mOrientation == HORIZONTAL ? 20 : 30;
+ const S32 MIN_LABEL_SPACING = mOrientation == HORIZONTAL ? 30 : 60;
+ const S32 TICK_LENGTH = 4;
+ const S32 TICK_WIDTH = 1;
+
+ F32 start = mCurMinBar < 0.f
+ ? llceil(-mCurMinBar / mTickSpacing) * -mTickSpacing
+ : 0.f;
+ for (F32 tick_value = start; ;tick_value += mTickSpacing)
+ {
+ // clamp to S32_MAX / 2 to avoid floating point to integer overflow resulting in S32_MIN
+ const S32 tick_begin = llfloor(llmin((F32)(S32_MAX / 2), (tick_value - mCurMinBar)*value_scale));
+ const S32 tick_end = tick_begin + TICK_WIDTH;
+ if (tick_begin < last_tick + MIN_TICK_SPACING)
+ {
+ continue;
+ }
+ last_tick = tick_begin;
+
+ S32 decimal_digits = mDecimalDigits;
+ if (is_approx_equal((F32)(S32)tick_value, tick_value))
+ {
+ decimal_digits = 0;
+ }
+ std::string tick_label = llformat("%.*f", decimal_digits, tick_value);
+ S32 tick_label_width = LLFontGL::getFontMonospace()->getWidth(tick_label);
+ if (mOrientation == HORIZONTAL)
+ {
+ if (tick_begin > last_label + MIN_LABEL_SPACING)
+ {
+ gl_rect_2d(bar_rect.mLeft, tick_end, bar_rect.mRight - TICK_LENGTH, tick_begin, LLColor4(1.f, 1.f, 1.f, 0.25f));
+ LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, bar_rect.mRight, tick_begin,
+ LLColor4(1.f, 1.f, 1.f, 0.5f),
+ LLFontGL::LEFT, LLFontGL::VCENTER);
+ last_label = tick_begin;
+ }
+ else
+ {
+ gl_rect_2d(bar_rect.mLeft, tick_end, bar_rect.mRight - TICK_LENGTH/2, tick_begin, LLColor4(1.f, 1.f, 1.f, 0.1f));
+ }
+ }
+ else
+ {
+ if (tick_begin > last_label + MIN_LABEL_SPACING)
+ {
+ gl_rect_2d(tick_begin, bar_rect.mTop, tick_end, bar_rect.mBottom - TICK_LENGTH, LLColor4(1.f, 1.f, 1.f, 0.25f));
+ S32 label_pos = tick_begin - ll_round((F32)tick_label_width * ((F32)tick_begin / (F32)bar_rect.getWidth()));
+ LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, label_pos, bar_rect.mBottom - TICK_LENGTH,
+ LLColor4(1.f, 1.f, 1.f, 0.5f),
+ LLFontGL::LEFT, LLFontGL::TOP);
+ last_label = label_pos;
+ }
+ else
+ {
+ gl_rect_2d(tick_begin, bar_rect.mTop, tick_end, bar_rect.mBottom - TICK_LENGTH/2, LLColor4(1.f, 1.f, 1.f, 0.1f));
+ }
+ }
+ // always draw one tick value past tick_end, so we can see part of the text, if possible
+ if (tick_value > mCurMaxBar)
+ {
+ break;
+ }
+ }
+ }
+}
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