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Draw frame graph.

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This commit is contained in:
Bartosz Taudul 2017-09-18 02:37:25 +02:00
parent b259dc94f8
commit 2f7fa20e34
2 changed files with 79 additions and 0 deletions
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76
server/TracyView.cpp
View File

@ -27,6 +27,7 @@ View::View( const char* addr )
, m_stream( LZ4_createStreamDecode() )
, m_buffer( new char[TargetFrameSize*3] )
, m_bufferOffset( 0 )
, m_frameScale( 0 )
{
assert( s_instance == nullptr );
s_instance = this;
@ -353,7 +354,82 @@ void View::DrawImpl()
ImGui::Text( "FPS: %6.1f Frame time: %.2f ms", fps, dtm );
}
}
ImGui::End();
// Profiler window
ImGui::Begin( "Profiler", nullptr, ImGuiWindowFlags_ShowBorders );
DrawFrames();
ImGui::End();
ImGui::ShowTestWindow();
}
static ImU32 GetFrameColor( uint64_t frameTime )
{
enum { BestTime = 1000 * 1000 * 1000 / 143 };
enum { GoodTime = 1000 * 1000 * 1000 / 59 };
enum { BadTime = 1000 * 1000 * 1000 / 29 };
return frameTime > BadTime ? 0xFF0000FF :
frameTime > GoodTime ? 0xFF00FFFF :
frameTime > BestTime ? 0xFF00FF00 : 0xFFFFBB00;
}
void View::DrawFrames()
{
enum { Height = 40 };
enum { MaxFrameTime = 50 * 1000 * 1000 }; // 50ms
ImGuiWindow* window = ImGui::GetCurrentWindow();
if( window->SkipItems ) return;
const auto wpos = ImGui::GetWindowPos() + ImGui::GetWindowContentRegionMin();
const auto wspace = ImGui::GetWindowContentRegionMax() - ImGui::GetWindowContentRegionMin();
const auto w = wspace.x;
auto draw = ImGui::GetWindowDrawList();
draw->AddRectFilled( wpos, wpos + ImVec2( w, Height ), 0x33FFFFFF );
if( ImGui::IsMouseHoveringRect( wpos, wpos + ImVec2( w, 60 ) ) )
{
const auto wheel = ImGui::GetIO().MouseWheel;
if( wheel > 0 )
{
if( m_frameScale > 0 ) m_frameScale--;
}
else if( wheel < 0 )
{
if( m_frameScale < 10 ) m_frameScale++;
}
}
const int fwidth = m_frameScale == 0 ? 4 : 1;
//const int group = m_frameScale < 2 ? 1 : ( 1 << ( m_frameScale - 1 ) );
const int total = m_frames.size();
const int onScreen = ( w + fwidth-1 ) / fwidth;
const int start = total < onScreen ? 0 : total - onScreen;
for( int i=0; i<onScreen; i++ )
{
if( start + i == total ) break;
uint64_t f;
if( start + i < total-1 )
{
f = m_frames[start+i+1] - m_frames[start+i];
}
else
{
const auto last = GetLastTime();
f = last == 0 ? 0 : last - m_frames.back();
}
const auto h = float( std::min<uint64_t>( MaxFrameTime, f ) ) / MaxFrameTime * ( Height - 2 );
if( fwidth != 1 )
{
draw->AddRectFilled( wpos + ImVec2( 1 + i*4, Height-1-h ), wpos + ImVec2( 4 + i*4, Height-1 ), GetFrameColor( f ) );
}
else
{
draw->AddLine( wpos + ImVec2( 1+i, Height-2-h ), wpos + ImVec2( 1+i, Height-2 ), GetFrameColor( f ) );
}
}
}
}

3
server/TracyView.hpp
View File

@ -51,6 +51,7 @@ private:
uint64_t GetLastTime();
void DrawImpl();
void DrawFrames();
std::string m_addr;
@ -78,6 +79,8 @@ private:
LZ4_streamDecode_t* m_stream;
char* m_buffer;
int m_bufferOffset;
int m_frameScale;
};
}