llframestatview.cpp

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#include "llviewerprecompiledheaders.h"

#include "llframestatview.h"

#include "llframestats.h"
#include "llrect.h"
#include "llerror.h"
#include "llgl.h"
#include "llmath.h"
#include "llfontgl.h"

#include "llui.h"
#include "llviewercontrol.h"
#include "llstat.h"


LLFrameStatView::LLFrameStatView(const std::string& name, const LLRect& rect)
:       LLView(name, rect, TRUE)
{
        setVisible(FALSE);

        mNumStats     = 0;
        mTotalTime    = 0.05f;
        mTickSpacing  = 0.01f;
        mLabelSpacing = 0.05f;
        mShowPercent  = TRUE;
        mCenterOn     = 0;
}

LLFrameStatView::~LLFrameStatView()
{
        // Children all cleaned up by default view destructor.
}

void LLFrameStatView::setup(const LLFrameStats &frame_stats)
{
        S32 i;
        for (i = 0; i < LLFrameStats::NUM_STATS; i++)
        {
                addStat(&gFrameStats.getStat(i),
                                gFrameStats.getStatLabel(i),
                                gFrameStats.getStatColor(i));
        }
}

BOOL LLFrameStatView::handleMouseDown(S32 x, S32 y, MASK mask)
{
        mShowPercent = !mShowPercent;
        return TRUE;
}

BOOL LLFrameStatView::handleMouseUp(S32 x, S32 y, MASK mask)
{
        return TRUE;
}


BOOL LLFrameStatView::handleHover(S32 x, S32 y, MASK mask)
{
        return FALSE;
}


void LLFrameStatView::draw()
{
        S32 i;
        S32 j;
        LLStat *statp;

        LLGLSNoTexture gls_no_texture;

        statp = mStats[0];
        if (!statp)
        {
                return;
        }
        S32 num_bins = llmin(statp->getNumValues(), (U32)32);

        F32 total_width = getRect().getWidth() - 20.f;
        F32 total_height = getRect().getHeight() - 30.f;
        S32 left, top, right, bottom;
        F32 key_height = 16;
        S32 bar_spacing = 2;
        F32 time_scale = total_width / mTotalTime;

        // Draw the window background
        gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, LLColor4(0.f, 0.f, 0.f, 0.25f));

        // Render the key
        left = 10;
        top = getRect().getHeight() - 10;

        BOOL is_active[MAX_STATS];
        S32 bin = mStats[0]->getCurBin() - 1;
        if (bin < 0)
        {
                bin += mStats[0]->getNumBins();
        }

        F64 min_last_time = mStats[0]->getBinTime(bin);

        for (i = 0; i < mNumStats; i++)
        {
                if (mStats[i]->getLastTime() >= min_last_time)
                {
                        is_active[i] = TRUE;
                }
                else
                {
                        is_active[i] = FALSE;
                }
        }

        S32 cur_center = mCenterOn;
        if (!is_active[mCenterOn])
        {
                for (i = 0; i < mNumStats; i++)
                {
                        if (is_active[i])
                        {
                                cur_center = i;
                                break;
                        }
                }
        }


        for (i = 0; i < mNumStats; i++)
        {
                // Draw the color key.
                LLGLSNoTexture gls_no_texture;
                gl_rect_2d(left, top - 2, left + 10, top - 12, mColors[i]);

                left = left + 15;
                // Draw the label.
                LLFontGL::sMonospace->renderUTF8(mLabels[i], 0, left, top,
                        LLColor4(1.f, 1.f, 1.f, 1.f),
                        LLFontGL::LEFT, LLFontGL::TOP);
        
                left = left + LLFontGL::sMonospace->getWidth(mLabels[i]) + 10;
                if ((i + 1) < mNumStats)
                {
                        if ((left + LLFontGL::sMonospace->getWidth(mLabels[i+1])) > (getRect().getWidth() - 10))
                        {
                                left = 10;
                                top -= llfloor(LLFontGL::sMonospace->getLineHeight());
                                key_height += LLFontGL::sMonospace->getLineHeight();
                        }
                }
        }

        top -= llfloor(LLFontGL::sMonospace->getLineHeight());
        bottom = top - llfloor(LLFontGL::sMonospace->getLineHeight());
        F32 total_time = 0.f;
        F32 bin_means[32];

        key_height += 20;

        // Draw the "Average" bar
        
        // Draw ticks for the "Average bar"
        F32 tick_value;
        char tick_label[256];           /* Flawfinder: ignore */
        for (tick_value = 0; tick_value <= 100; tick_value += 10)
        {
                left = 10 + llfloor(tick_value*(total_width/100.f));
                right = left + 1;
                gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.2f));
        }

        // Draw the tick labels (and big ticks).
        bottom = bottom - 4;
        for (tick_value = 0; tick_value <= 100; tick_value += 20)
        {
                LLGLSNoTexture gls_no_texture;
                left = 10 + llfloor(tick_value*(total_width/100.f));
                right = left + 1;
                gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.2f));

                snprintf(tick_label, sizeof(tick_label), "%.2f", tick_value);                   /* Flawfinder: ignore */
                // draw labels for the tick marks
                LLFontGL::sMonospace->renderUTF8(tick_label, 0, left, bottom,
                        LLColor4(1.f, 1.f, 1.f, 0.5f),
                        LLFontGL::LEFT, LLFontGL::TOP);
        }

        for (i = 0; i < mNumStats; i++)
        {
                bin_means[i] = mStats[i]->getMeanDuration();
                total_time += bin_means[i];
        }

        F32 time_frac = total_width / total_time;
        F32 cur_left = .0f;
        for (i = 0; i < mNumStats; i++)
        {
                F32 cur_right = cur_left + bin_means[i] * time_frac;
                left = llfloor(cur_left) + 10;
                right = llfloor(cur_right) + 10;
                gl_rect_2d(left, top, right, bottom, mColors[i]);
                cur_left = cur_right;
        }

        S32 bar_height = llmax(1, (S32)((total_height - bar_spacing*(num_bins-1) - key_height) / num_bins));
        S32 graph_height = bar_height * num_bins + bar_spacing * num_bins - 1;

        // Draw the tick marks.
        top = getRect().getHeight() - llfloor(key_height) - 20;

        bottom = top - graph_height - 2;
        // Render the ticks and labels
        if (mShowPercent)
        {
                for (tick_value = 0; tick_value <= 100; tick_value += 10)
                {
                        left = 10 + llfloor(tick_value*(total_width/100.f));
                        right = left + 1;
                        gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.1f));
                }

                // Draw the tick labels (and big ticks).
                bottom = top - graph_height - 4;
                for (tick_value = 0; tick_value <= 100; tick_value += 20)
                {
                        LLGLSNoTexture gls_no_texture;
                        left = 10 + llfloor(tick_value*(total_width/100.f));
                        right = left + 1;
                        gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.25f));

                        snprintf(tick_label, sizeof(tick_label), "%.2f", tick_value);                   /* Flawfinder: ignore */
                        // draw labels for the tick marks
                        LLFontGL::sMonospace->renderUTF8(tick_label, 0, left, bottom,
                                LLColor4(1.f, 1.f, 1.f, 0.5f),
                                LLFontGL::LEFT, LLFontGL::TOP);
                }
        }
        else
        {
                for (tick_value = 0; tick_value <= mTotalTime; tick_value += mTickSpacing)
                {
                        left = 10 + llfloor(tick_value*time_scale);
                        right = left + 1;
                        gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.1f));
                }

                // Draw the tick labels (and big ticks).
                bottom = top - graph_height - 4;
                for (tick_value = 0; tick_value <= mTotalTime; tick_value += mLabelSpacing)
                {
                        LLGLSNoTexture gls_no_texture;
                        left = 10 + llfloor(tick_value*time_scale);
                        right = left + 1;
                        gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.25f));

                        snprintf(tick_label, sizeof(tick_label), "%.2f", tick_value);                   /* Flawfinder: ignore */
                        // draw labels for the tick marks
                        LLFontGL::sMonospace->renderUTF8(tick_label, 0, left, bottom,
                                LLColor4(1.f, 1.f, 1.f, 0.5f),
                                LLFontGL::LEFT, LLFontGL::TOP);
                }
        }

        // Draw the graph background
        bottom = top - graph_height;
        left = 10;
        right = left + llfloor(total_width);

        gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.25f));

        F64 min_time = 0.f;
        F64 max_time = 0.f;

        // Determine which stats are active.

        top = getRect().getHeight() - llfloor(key_height) - 20;
        bottom = top - bar_height;
        for (i = 0; i < 32; i++)
        {
                // Find the min time for this set of bins.
                min_time = mStats[0]->getPrevBeginTime(i);
                max_time = mStats[0]->getPrevBeginTime(i);
                for (j = 0; j < mNumStats; j++)
                {
                        if (is_active[j])
                        {
                                min_time = llmin(min_time, mStats[j]->getPrevBeginTime(i));
                                max_time = llmax(max_time, mStats[j]->getPrevTime(i));
                        }
                }

                if (mShowPercent)
                {
                        for (j = 0; j < mNumStats; j++)
                        {
                                if (is_active[j])
                                {
                                        statp = mStats[j];
                                        F64 begin = statp->getPrevBeginTime(i) - min_time;
                                        F64 end = statp->getPrevTime(i) - min_time;

                                        F32 begin_frac = (F32)(begin/(max_time - min_time));
                                        F32 end_frac   = (F32)(end/(max_time - min_time));

                                        left = llfloor(begin_frac * total_width) + 10;
                                        right = llfloor(end_frac * total_width) + 10;
                                        gl_rect_2d(left, top, right, bottom, mColors[j]);
                                }
                        }
                }
                else
                {
                        F64 center_time = mStats[cur_center]->getPrevBeginTime(i);
                        center_time = min_time;

                        // Now, draw the bars for each stat
                        for (j = 0; j < mNumStats; j++)
                        {
                                if (is_active[j])
                                {
                                        statp = mStats[j];
                                        F64 begin = statp->getPrevBeginTime(i);
                                        F64 end   = statp->getPrevTime(i);

                                        F32 begin_frac = (F32)(begin - center_time);
                                        F32 end_frac   = (F32)(end - center_time);

                                        left  = llfloor(begin_frac * time_scale) + 10;
                                        right = llfloor(end_frac * time_scale) + 10;

                                        gl_rect_2d(left, top, right, bottom, mColors[j]);
                                }
                        }
                }
                top = top - bar_height - bar_spacing;
                bottom = top - bar_height;
        }
        LLView::draw();
}

void LLFrameStatView::addStat(LLStat *statp, const char *label, const LLColor4 &color)
{
        if( mNumStats >= MAX_STATS )
        {
                llwarns << "LLFrameStatView::addStat - too many stats!" << llendl;
                return;
        }

        mStats[mNumStats] = statp;
        mColors[mNumStats] = color;
        mLabels[mNumStats] = label;
        mNumStats++;
}

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