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 // It is the only way.
26 // Dear god what have I done
27 void RatCatcher(int x, int y, int buttons, int wheel, Screen * scr, View * view)
29 static bool oldButtonDown = false;
30 static int oldx, oldy;
31 if (buttons == 3 && !oldButtonDown)
34 view->ToggleGPUTransform();
39 if (buttons == 2 && !oldButtonDown)
42 view->ToggleGPURendering();
46 if (buttons && !oldButtonDown)
48 // We're beginning a drag.
52 scr->SetMouseCursor(Screen::CursorMove);
56 #if REAL == REAL_RATIONAL
57 view->Translate(Real(oldx, scr->ViewportWidth()) -Real(x,scr->ViewportWidth()), Real(oldy, scr->ViewportHeight()) - Real(y,scr->ViewportHeight()));
59 view->Translate(Real(oldx-x)/Real(scr->ViewportWidth()), Real(oldy-y)/Real(scr->ViewportHeight()));
64 oldButtonDown = false;
65 scr->SetMouseCursor(Screen::CursorArrow);
72 #if REAL == REAL_RATIONAL
73 view->ScaleAroundPoint(Real(x,scr->ViewportWidth()), Real(y,scr->ViewportHeight()), Real(20-wheel, 20));
75 view->ScaleAroundPoint(Real(x)/Real(scr->ViewportWidth()),Real(y)/Real(scr->ViewportHeight()), Real(expf(-wheel/20.f)));
82 inline void MainLoop(Document & doc, Screen & scr, View & view)
84 // order is important... segfaults occur when screen (which inits GL) is not constructed first -_-
86 scr.DebugFontInit("fonts/DejaVuSansMono.ttf");
87 scr.SetMouseHandler(RatCatcher);
89 double total_cpu_time = 0;
90 double total_gpu_time = 0;
91 double total_real_time = 0;
92 struct timespec real_clock_start;
93 struct timespec real_clock_now;
94 struct timespec real_clock_prev;
95 clock_gettime(CLOCK_MONOTONIC_RAW, &real_clock_start);
96 real_clock_now = real_clock_start;
98 double data_rate = 0; // period between data output to stdout (if <= 0 there will be no output)
99 uint64_t data_points = 0;
100 setbuf(stdout, NULL);
101 while (scr.PumpEvents())
103 real_clock_prev = real_clock_now;
106 //view.ForceBoundsDirty();
107 //view.ForceBufferDirty();
108 //view.ForceRenderDirty();
110 view.Render(scr.ViewportWidth(), scr.ViewportHeight());
112 double cpu_frame = scr.GetLastFrameTimeCPU();
113 double gpu_frame = scr.GetLastFrameTimeGPU();
114 clock_gettime(CLOCK_MONOTONIC_RAW, &real_clock_now);
115 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);
118 total_real_time += real_frame; total_cpu_time += cpu_frame; total_gpu_time += gpu_frame;
119 if (data_rate > 0 && total_real_time > data_rate*(data_points+1))
121 printf("%lu\t%f\t%f\t%f\t%f\t%f\t%f\n", (long unsigned int)frames, total_real_time, total_cpu_time, total_gpu_time, real_frame, cpu_frame, gpu_frame);
124 scr.DebugFontPrintF("Rendered frame %lu\n", (uint64_t)frames);
125 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);
126 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);
127 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);
128 scr.DebugFontPrintF("View bounds: %s\n", view.GetBounds().Str().c_str());
129 scr.DebugFontPrintF("type of Real == %s\n", g_real_name[REAL]);
131 if (view.UsingGPUTransform())
133 scr.DebugFontPrint("Doing coordinate transform on the GPU.\n");
137 scr.DebugFontPrint("Doing coordinate transform on the CPU.\n");
139 if (view.UsingGPURendering())
141 scr.DebugFontPrint("Doing rendering using GPU.\n");
145 scr.DebugFontPrint("Doing rendering using CPU.\n");