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https://github.com/gwm17/implot.git
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add benchmark tool to demo
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epezent
parent
b84e74b885
commit
13c8f97215
160
implot_demo.cpp
160
implot_demo.cpp
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@ -75,6 +75,8 @@ typedef ImVec2 t_float2;
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#define Fmod fmodf
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#endif
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void ShowBenchmarkTool();
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inline t_float RandomRange(t_float min, t_float max) {
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t_float scale = rand() / (t_float) RAND_MAX;
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return min + scale * ( max - min );
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@ -122,27 +124,12 @@ struct RollingBuffer {
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}
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};
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// utility structure for benchmark data
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struct BenchmarkItem {
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BenchmarkItem() {
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t_float y = RandomRange(0,1);
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Data = new t_float2[1000];
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for (int i = 0; i < 1000; ++i) {
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Data[i].x = i*0.001f;
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Data[i].y = y + RandomRange(-0.01f,0.01f);
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}
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Col = ImVec4((float)RandomRange(0,1),(float)RandomRange(0,1),(float)RandomRange(0,1),1);
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}
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~BenchmarkItem() { delete[] Data; }
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t_float2* Data;
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ImVec4 Col;
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};
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void ShowDemoWindow(bool* p_open) {
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t_float DEMO_TIME = (t_float)ImGui::GetTime();
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static bool show_imgui_metrics = false;
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static bool show_imgui_style_editor = false;
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static bool show_implot_style_editor = false;
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static bool show_implot_benchmark = false;
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if (show_imgui_metrics) {
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ImGui::ShowMetricsWindow(&show_imgui_metrics);
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}
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@ -157,6 +144,13 @@ void ShowDemoWindow(bool* p_open) {
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ImPlot::ShowStyleEditor();
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ImGui::End();
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}
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if (show_implot_benchmark) {
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ImGui::Begin("ImPlot Benchmark Tool", &show_implot_benchmark);
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ImGui::SetNextWindowSize(ImVec2(530,690), ImGuiCond_Appearing);
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ImPlot::ShowBenchmarkTool();
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ImGui::End();
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return;
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}
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ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver);
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ImGui::SetNextWindowSize(ImVec2(530, 750), ImGuiCond_FirstUseEver);
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ImGui::Begin("ImPlot Demo", p_open, ImGuiWindowFlags_MenuBar);
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@ -165,6 +159,7 @@ void ShowDemoWindow(bool* p_open) {
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ImGui::MenuItem("Metrics (ImGui)", NULL, &show_imgui_metrics);
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ImGui::MenuItem("Style Editor (ImGui)", NULL, &show_imgui_style_editor);
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ImGui::MenuItem("Style Editor (ImPlot)", NULL, &show_implot_style_editor);
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ImGui::MenuItem("Benchmark", NULL, &show_implot_benchmark);
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ImGui::EndMenu();
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}
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ImGui::EndMenuBar();
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@ -186,7 +181,17 @@ void ShowDemoWindow(bool* p_open) {
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ImGui::BulletText("Software AA can be enabled globally with ImPlotStyle.AntiAliasedLines.");
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ImGui::BulletText("Software AA can be enabled per plot with ImPlotFlags_AntiAliased.");
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ImGui::BulletText("AA for plots can be toggled from the plot's context menu.");
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ImGui::BulletText("If permitable, you are better off using hardware AA (e.g. MSAA).");
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ImGui::BulletText("If permitable, you are better off using hardware AA (e.g. MSAA).");
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ImGui::Unindent();
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ImGui::BulletText("If you see visual artifacts, do one of the following:");
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ImGui::Indent();
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ImGui::BulletText("Handle ImGuiBackendFlags_RendererHasVtxOffset for 16-bit indices in your backend.");
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ImGui::BulletText("Or, enable 32-bit indices in imconfig.h.");
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ImGui::BulletText("Your current configuration is:");
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ImGui::Indent();
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ImGui::BulletText("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8));
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ImGui::BulletText("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False");
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ImGui::Unindent();
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ImGui::Unindent();
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#ifdef IMPLOT_DEMO_USE_DOUBLE
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ImGui::BulletText("The demo data precision is: double");
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@ -1082,31 +1087,6 @@ void ShowDemoWindow(bool* p_open) {
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Benchmark")) {
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static const int n_items = 100;
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static BenchmarkItem items[n_items];
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ImGui::BulletText("Make sure VSync is disabled.");
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ImGui::BulletText("%d lines with %d points each @ %.3f FPS.",n_items,1000,ImGui::GetIO().Framerate);
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ImGui::BulletText("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8));
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ImGui::BulletText("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False");
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ImGui::BulletText("If you see visual artifacts, do one of the following:");
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ImGui::Indent();
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ImGui::BulletText("Handle ImGuiBackendFlags_RendererHasVtxOffset for 16-bit indices in your backend.");
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ImGui::BulletText("Enable 32-bit indices in imconfig.h.");
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ImGui::Unindent();
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ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
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if (ImPlot::BeginPlot("##Bench",NULL,NULL,ImVec2(-1,0),ImPlotFlags_Default | ImPlotFlags_NoChild)) {
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char buff[16];
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for (int i = 0; i < 100; ++i) {
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sprintf(buff, "item_%d",i);
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ImPlot::PushStyleColor(ImPlotCol_Line, items[i].Col);
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ImPlot::PlotLine(buff, items[i].Data, 1000);
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ImPlot::PopStyleColor();
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}
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ImPlot::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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ImGui::End();
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}
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@ -1294,4 +1274,98 @@ void PlotCandlestick(const char* label_id, const double* xs, const double* opens
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}
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}
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} // namespace MyImplot
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} // namespace MyImplot
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namespace ImPlot {
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struct BenchmarkItem {
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BenchmarkItem() {
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float y = RandomRange(0,1);
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Data = new ImVec2[1000];
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for (int i = 0; i < 1000; ++i) {
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Data[i].x = i*0.001f;
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Data[i].y = y + RandomRange(-0.01f,0.01f);
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}
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Col = ImVec4((float)RandomRange(0,1),(float)RandomRange(0,1),(float)RandomRange(0,1),1);
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}
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~BenchmarkItem() { delete[] Data; }
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ImVec2* Data;
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ImVec4 Col;
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};
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void ShowBenchmarkTool() {
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static const int max_lines = 500;
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static BenchmarkItem items[max_lines];
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static bool running = false;
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static int frames = 60;
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static int L = 0;
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static int F = 0;
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static double t1, t2;
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static ImVector<ImVector<ImPlotPoint>> records;
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if (running) {
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F++;
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if (F == frames) {
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t2 = ImGui::GetTime();
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records.back().push_back(ImPlotPoint(L, frames / (t2 - t1)));
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L += 5;
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F = 0;
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t1 = ImGui::GetTime();
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}
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if (L > max_lines) {
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running = false;
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L = max_lines;
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}
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}
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ImGui::Text("ImDrawIdx: %d-bit", (int)(sizeof(ImDrawIdx) * 8));
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ImGui::Text("ImGuiBackendFlags_RendererHasVtxOffset: %s", (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ? "True" : "False");
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ImGui::Text("%.2f FPS", ImGui::GetIO().Framerate);
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ImGui::Separator();
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bool was_running = running;
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if (was_running) {
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ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
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ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.25f);
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}
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if (ImGui::Button("Benchmark")) {
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running = true;
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L = F = 0;
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records.push_back(ImVector<ImPlotPoint>());
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records.back().reserve(max_lines + 1);
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t1 = ImGui::GetTime();
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}
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ImGui::SameLine();
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ImGui::Checkbox("Anti-Aliased Lines", &ImPlot::GetStyle().AntiAliasedLines);
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if (was_running) { ImGui::PopItemFlag(); ImGui::PopStyleVar(); }
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ImGui::ProgressBar((float)L / (float)(max_lines - 1));
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ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
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if (ImPlot::BeginPlot("##Bench",NULL,NULL,ImVec2(-1,0),ImPlotFlags_NoChild,0,0,0,0)) {
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if (running) {
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for (int i = 0; i < L; ++i) {
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ImGui::PushID(i);
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ImPlot::PushStyleColor(ImPlotCol_Line, items[i].Col);
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ImPlot::PlotLine("##item", items[i].Data, 1000);
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ImPlot::PopStyleColor();
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ImGui::PopID();
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}
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}
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ImPlot::EndPlot();
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}
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ImPlot::SetNextPlotLimits(0,500,0,500,ImGuiCond_Always);
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static char buffer[8];
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if (ImPlot::BeginPlot("##Stats", "Lines (1,000 pts each)", "Framerate (Hz)", ImVec2(-1,0), ImPlotFlags_Default | ImPlotFlags_NoChild)) {
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for (int run = 0; run < records.size(); ++run) {
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sprintf(buffer, "Run %d", run + 1);
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ImPlot::PlotLine(buffer, records[run].Data, records[run].Size);
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}
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ImPlot::EndPlot();
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}
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}
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}
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