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add benchmark tool to demo

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epezent 2020-08-26 09:50:59 -05:00
parent b84e74b885
commit 13c8f97215
1 changed files with 117 additions and 43 deletions
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156
implot_demo.cpp
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@ -75,6 +75,8 @@ typedef ImVec2 t_float2;
#define Fmod fmodf #define Fmod fmodf
#endif #endif
void ShowBenchmarkTool();
inline t_float RandomRange(t_float min, t_float max) { inline t_float RandomRange(t_float min, t_float max) {
t_float scale = rand() / (t_float) RAND_MAX; t_float scale = rand() / (t_float) RAND_MAX;
return min + scale * ( max - min ); return min + scale * ( max - min );
@ -122,27 +124,12 @@ struct RollingBuffer {
} }
}; };
// utility structure for benchmark data
struct BenchmarkItem {
BenchmarkItem() {
t_float y = RandomRange(0,1);
Data = new t_float2[1000];
for (int i = 0; i < 1000; ++i) {
Data[i].x = i*0.001f;
Data[i].y = y + RandomRange(-0.01f,0.01f);
}
Col = ImVec4((float)RandomRange(0,1),(float)RandomRange(0,1),(float)RandomRange(0,1),1);
}
~BenchmarkItem() { delete[] Data; }
t_float2* Data;
ImVec4 Col;
};
void ShowDemoWindow(bool* p_open) { void ShowDemoWindow(bool* p_open) {
t_float DEMO_TIME = (t_float)ImGui::GetTime(); t_float DEMO_TIME = (t_float)ImGui::GetTime();
static bool show_imgui_metrics = false; static bool show_imgui_metrics = false;
static bool show_imgui_style_editor = false; static bool show_imgui_style_editor = false;
static bool show_implot_style_editor = false; static bool show_implot_style_editor = false;
static bool show_implot_benchmark = false;
if (show_imgui_metrics) { if (show_imgui_metrics) {
ImGui::ShowMetricsWindow(&show_imgui_metrics); ImGui::ShowMetricsWindow(&show_imgui_metrics);
} }
@ -157,6 +144,13 @@ void ShowDemoWindow(bool* p_open) {
ImPlot::ShowStyleEditor(); ImPlot::ShowStyleEditor();
ImGui::End(); ImGui::End();
} }
if (show_implot_benchmark) {
ImGui::Begin("ImPlot Benchmark Tool", &show_implot_benchmark);
ImGui::SetNextWindowSize(ImVec2(530,690), ImGuiCond_Appearing);
ImPlot::ShowBenchmarkTool();
ImGui::End();
return;
}
ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver); ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowSize(ImVec2(530, 750), ImGuiCond_FirstUseEver); ImGui::SetNextWindowSize(ImVec2(530, 750), ImGuiCond_FirstUseEver);
ImGui::Begin("ImPlot Demo", p_open, ImGuiWindowFlags_MenuBar); ImGui::Begin("ImPlot Demo", p_open, ImGuiWindowFlags_MenuBar);
@ -165,6 +159,7 @@ void ShowDemoWindow(bool* p_open) {
ImGui::MenuItem("Metrics (ImGui)", NULL, &show_imgui_metrics); ImGui::MenuItem("Metrics (ImGui)", NULL, &show_imgui_metrics);
ImGui::MenuItem("Style Editor (ImGui)", NULL, &show_imgui_style_editor); ImGui::MenuItem("Style Editor (ImGui)", NULL, &show_imgui_style_editor);
ImGui::MenuItem("Style Editor (ImPlot)", NULL, &show_implot_style_editor); ImGui::MenuItem("Style Editor (ImPlot)", NULL, &show_implot_style_editor);
ImGui::MenuItem("Benchmark", NULL, &show_implot_benchmark);
ImGui::EndMenu(); ImGui::EndMenu();
} }
ImGui::EndMenuBar(); ImGui::EndMenuBar();
@ -188,6 +183,16 @@ void ShowDemoWindow(bool* p_open) {
ImGui::BulletText("AA for plots can be toggled from the plot's context menu."); ImGui::BulletText("AA for plots can be toggled from the plot's context menu.");
ImGui::BulletText("If permitable, you are better off using hardware AA (e.g. MSAA)."); ImGui::BulletText("If permitable, you are better off using hardware AA (e.g. MSAA).");
ImGui::Unindent(); ImGui::Unindent();
ImGui::BulletText("If you see visual artifacts, do one of the following:");
ImGui::Indent();
ImGui::BulletText("Handle ImGuiBackendFlags_RendererHasVtxOffset for 16-bit indices in your backend.");
ImGui::BulletText("Or, enable 32-bit indices in imconfig.h.");
ImGui::BulletText("Your current configuration is:");
ImGui::Indent();
ImGui::BulletText("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8));
ImGui::BulletText("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False");
ImGui::Unindent();
ImGui::Unindent();
#ifdef IMPLOT_DEMO_USE_DOUBLE #ifdef IMPLOT_DEMO_USE_DOUBLE
ImGui::BulletText("The demo data precision is: double"); ImGui::BulletText("The demo data precision is: double");
#else #else
@ -1082,31 +1087,6 @@ void ShowDemoWindow(bool* p_open) {
} }
} }
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Benchmark")) {
static const int n_items = 100;
static BenchmarkItem items[n_items];
ImGui::BulletText("Make sure VSync is disabled.");
ImGui::BulletText("%d lines with %d points each @ %.3f FPS.",n_items,1000,ImGui::GetIO().Framerate);
ImGui::BulletText("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8));
ImGui::BulletText("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False");
ImGui::BulletText("If you see visual artifacts, do one of the following:");
ImGui::Indent();
ImGui::BulletText("Handle ImGuiBackendFlags_RendererHasVtxOffset for 16-bit indices in your backend.");
ImGui::BulletText("Enable 32-bit indices in imconfig.h.");
ImGui::Unindent();
ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
if (ImPlot::BeginPlot("##Bench",NULL,NULL,ImVec2(-1,0),ImPlotFlags_Default | ImPlotFlags_NoChild)) {
char buff[16];
for (int i = 0; i < 100; ++i) {
sprintf(buff, "item_%d",i);
ImPlot::PushStyleColor(ImPlotCol_Line, items[i].Col);
ImPlot::PlotLine(buff, items[i].Data, 1000);
ImPlot::PopStyleColor();
}
ImPlot::EndPlot();
}
}
//-------------------------------------------------------------------------
ImGui::End(); ImGui::End();
} }
@ -1295,3 +1275,97 @@ void PlotCandlestick(const char* label_id, const double* xs, const double* opens
} }
} // namespace MyImplot } // namespace MyImplot
namespace ImPlot {
struct BenchmarkItem {
BenchmarkItem() {
float y = RandomRange(0,1);
Data = new ImVec2[1000];
for (int i = 0; i < 1000; ++i) {
Data[i].x = i*0.001f;
Data[i].y = y + RandomRange(-0.01f,0.01f);
}
Col = ImVec4((float)RandomRange(0,1),(float)RandomRange(0,1),(float)RandomRange(0,1),1);
}
~BenchmarkItem() { delete[] Data; }
ImVec2* Data;
ImVec4 Col;
};
void ShowBenchmarkTool() {
static const int max_lines = 500;
static BenchmarkItem items[max_lines];
static bool running = false;
static int frames = 60;
static int L = 0;
static int F = 0;
static double t1, t2;
static ImVector<ImVector<ImPlotPoint>> records;
if (running) {
F++;
if (F == frames) {
t2 = ImGui::GetTime();
records.back().push_back(ImPlotPoint(L, frames / (t2 - t1)));
L += 5;
F = 0;
t1 = ImGui::GetTime();
}
if (L > max_lines) {
running = false;
L = max_lines;
}
}
ImGui::Text("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8));
ImGui::Text("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False");
ImGui::Text("%.2f FPS", ImGui::GetIO().Framerate);
ImGui::Separator();
bool was_running = running;
if (was_running) {
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.25f);
}
if (ImGui::Button("Benchmark")) {
running = true;
L = F = 0;
records.push_back(ImVector<ImPlotPoint>());
records.back().reserve(max_lines + 1);
t1 = ImGui::GetTime();
}
ImGui::SameLine();
ImGui::Checkbox("Anti-Aliased Lines", &ImPlot::GetStyle().AntiAliasedLines);
if (was_running) { ImGui::PopItemFlag(); ImGui::PopStyleVar(); }
ImGui::ProgressBar((float)L / (float)(max_lines - 1));
ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
if (ImPlot::BeginPlot("##Bench",NULL,NULL,ImVec2(-1,0),ImPlotFlags_NoChild,0,0,0,0)) {
if (running) {
for (int i = 0; i < L; ++i) {
ImGui::PushID(i);
ImPlot::PushStyleColor(ImPlotCol_Line, items[i].Col);
ImPlot::PlotLine("##item", items[i].Data, 1000);
ImPlot::PopStyleColor();
ImGui::PopID();
}
}
ImPlot::EndPlot();
}
ImPlot::SetNextPlotLimits(0,500,0,500,ImGuiCond_Always);
static char buffer[8];
if (ImPlot::BeginPlot("##Stats", "Lines (1,000 pts each)", "Framerate (Hz)", ImVec2(-1,0), ImPlotFlags_Default | ImPlotFlags_NoChild)) {
for (int run = 0; run < records.size(); ++run) {
sprintf(buffer, "Run %d", run + 1);
ImPlot::PlotLine(buffer, records[run].Data, records[run].Size);
}
ImPlot::EndPlot();
}
}
}