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Update flame graph ruler to measure the time shown in the current view.

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It now starts at 0 and shows the time delta across the view.
This commit is contained in:
rmarker
2026-05-28 21:39:03 +09:30
parent 2e87eecc67
commit 55de5bc5ca
1 changed files with 11 additions and 6 deletions
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17
profiler/src/profiler/TracyView_FlameGraph.cpp
View File

@@ -696,20 +696,25 @@ void View::DrawFlameGraphHeader( int64_t vStart, int64_t vEnd, uint64_t period )
const auto nspx = 1.0 / pxns;
const auto scale = std::max( 0.0, round( log10( nspx ) + 2 ) );
const auto step = pow( 10, scale );
const auto startNs = double( vStart ) * period;
ImGui::InvisibleButton( "##flameHeader", ImVec2( w, ty * 1.5f ) );
TooltipIfHovered( TimeToStringExact( startNs + ( ImGui::GetIO().MousePos.x - wpos.x ) * nspx ) );
TooltipIfHovered( TimeToStringExact( ( ImGui::GetIO().MousePos.x - wpos.x ) * nspx ) );
const auto dx = step * pxns;
auto tt = int64_t( floor( startNs / step ) * step );
double x = ( double( tt ) - startNs ) / nspx;
double x = 0;
int tw = 0;
int tx = 0;
while( x < w + 1 )
int64_t tt = 0;
while( x < w )
{
DrawLine( draw, dpos + ImVec2( x, 0 ), dpos + ImVec2( x, ty05 ), 0x66FFFFFF );
if( tw == 0 || x > tx + tw + ty * 2 )
if( tw == 0 )
{
auto txt = "0";
draw->AddText( wpos + ImVec2( x, ty05 ), 0x66FFFFFF, txt );
tw = ImGui::CalcTextSize( txt ).x;
}
else if( x > tx + tw + ty * 2 )
{
tx = x;
auto txt = TimeToString( tt );