12 inline void OverlayBMP(Document & doc, const char * input, const char * output, const Rect & bounds = Rect(0,0,1,1), const Colour & c = Colour(0.f,0.f,0.f,1.f))
16 View view(doc, scr, bounds, c);
21 scr.ScreenShot(output);
25 inline void MainLoop(Document & doc, const Rect & bounds = Rect(0,0,1,1), const Colour & c = Colour(0.f,0.f,0.f,1.f))
27 // order is important... segfaults occur when screen (which inits GL) is not constructed first -_-
29 View view(doc,scr, bounds, c);
30 scr.DebugFontInit("DejaVuSansMono.ttf");
31 scr.SetMouseHandler([&](int x, int y, int buttons, int wheel) // [?] wtf
33 static bool oldButtonDown = false;
34 static int oldx, oldy;
35 if (buttons == 3 && !oldButtonDown)
38 view.ToggleGPUTransform();
43 if (buttons == 2 && !oldButtonDown)
46 view.ToggleGPURendering();
50 if (buttons && !oldButtonDown)
52 // We're beginning a drag.
56 scr.SetMouseCursor(Screen::CursorMove);
60 #if REAL >= REAL_RATIONAL
61 view.Translate(Real(oldx, scr.ViewportWidth()) -Real(x,scr.ViewportWidth()), Real(oldy, scr.ViewportHeight()) - Real(y,scr.ViewportHeight()));
63 view.Translate(Real(oldx-x)/Real(scr.ViewportWidth()), Real(oldy-y)/Real(scr.ViewportHeight()));
68 oldButtonDown = false;
69 scr.SetMouseCursor(Screen::CursorArrow);
76 #if REAL >= REAL_RATIONAL
77 view.ScaleAroundPoint(Real(x,scr.ViewportWidth()), Real(y,scr.ViewportHeight()), Real(20-wheel, 20));
79 view.ScaleAroundPoint(Real(x)/Real(scr.ViewportWidth()),Real(y)/Real(scr.ViewportHeight()), Real(expf(-wheel/20.f)));
86 double total_cpu_time = 0;
87 double total_gpu_time = 0;
88 double total_real_time = 0;
89 struct timespec real_clock_start;
90 struct timespec real_clock_now;
91 struct timespec real_clock_prev;
92 clock_gettime(CLOCK_MONOTONIC_RAW, &real_clock_start);
93 real_clock_now = real_clock_start;
95 double data_rate = 1; // period between data output to stdout (if <= 0 there will be no output)
96 uint64_t data_points = 0;
98 while (scr.PumpEvents())
100 real_clock_prev = real_clock_now;
103 //view.ForceBoundsDirty();
104 //view.ForceBufferDirty();
105 //view.ForceRenderDirty();
107 view.Render(scr.ViewportWidth(), scr.ViewportHeight());
109 double cpu_frame = scr.GetLastFrameTimeCPU();
110 double gpu_frame = scr.GetLastFrameTimeGPU();
111 clock_gettime(CLOCK_MONOTONIC_RAW, &real_clock_now);
112 double real_frame = (real_clock_now.tv_sec - real_clock_prev.tv_sec) + 1e-9*(real_clock_now.tv_nsec - real_clock_prev.tv_nsec);
115 total_real_time += real_frame; total_cpu_time += cpu_frame; total_gpu_time += gpu_frame;
116 if (data_rate > 0 && total_real_time > data_rate*(data_points+1))
118 printf("%lu\t%f\t%f\t%f\t%f\t%f\t%f\n", (uint64_t)frames, total_real_time, total_cpu_time, total_gpu_time, real_frame, cpu_frame, gpu_frame);
121 scr.DebugFontPrintF("Rendered frame %lu\n", (uint64_t)frames);
122 scr.DebugFontPrintF("[CPU] Render took %lf ms (%lf FPS) (total %lf s, avg FPS %lf)\n", cpu_frame*1e3, 1.0/cpu_frame, total_cpu_time,frames/total_cpu_time);
123 scr.DebugFontPrintF("[GPU] Render took %lf ms (%lf FPS) (total %lf s, avg FPS %lf)\n", gpu_frame*1e3, 1.0/gpu_frame, total_gpu_time, frames/total_gpu_time);
124 scr.DebugFontPrintF("[REALTIME] Render+Present+Cruft took %lf ms (%lf FPS) (total %lf s, avg FPS %lf)\n", real_frame*1e3, 1.0/real_frame, total_real_time,frames/total_real_time);
125 scr.DebugFontPrintF("View bounds: %s\n", view.GetBounds().Str().c_str());
126 scr.DebugFontPrintF("type of Real == %s\n", g_real_name[REAL]);
128 if (view.UsingGPUTransform())
130 scr.DebugFontPrint("Doing coordinate transform on the GPU.\n");
134 scr.DebugFontPrint("Doing coordinate transform on the CPU.\n");
136 if (view.UsingGPURendering())
138 scr.DebugFontPrint("Doing rendering using GPU.\n");
142 scr.DebugFontPrint("Doing rendering using CPU.\n");