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annotate test/testfill.c @ 4573:6399178be313

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Completed work on X11_CreateTexture. Added lots of safety features. These include support for drawing a texture using the core protocol while other textures are drawn using Xrender if Xrender does not support the color format of the said texture or any other fault with Xrender.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Fri, 28 May 2010 20:40:09 +0530
parents 5ea08f1c29d0
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3576
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1 /* Simple program: Fill the screen with colors as fast as possible */
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2
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3 #include <stdlib.h>
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4 #include <stdio.h>
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5 #include <string.h>
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6 #include <time.h>
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7
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8 #include "SDL.h"
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9
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10 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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11 static void
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12 quit(int rc)
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13 {
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14 SDL_Quit();
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15 exit(rc);
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16 }
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17
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18 int
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19 main(int argc, char *argv[])
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20 {
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21 SDL_Surface *screen;
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22 int width, height;
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23 Uint8 video_bpp;
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24 Uint32 videoflags;
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25 Uint32 colors[3];
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26 int i, done;
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27 SDL_Event event;
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28 Uint32 then, now, frames;
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29
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30 /* Initialize SDL */
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31 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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32 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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33 return (1);
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34 }
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35
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36 width = 640;
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37 height = 480;
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38 video_bpp = 8;
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39 videoflags = 0;
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40 while (argc > 1) {
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41 --argc;
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42 if (strcmp(argv[argc - 1], "-width") == 0) {
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43 width = atoi(argv[argc]);
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44 --argc;
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45 } else if (strcmp(argv[argc - 1], "-height") == 0) {
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46 height = atoi(argv[argc]);
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47 --argc;
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48 } else if (strcmp(argv[argc - 1], "-bpp") == 0) {
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49 video_bpp = atoi(argv[argc]);
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50 --argc;
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51 } else if (strcmp(argv[argc], "-fullscreen") == 0) {
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52 videoflags ^= SDL_FULLSCREEN;
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53 } else {
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54 fprintf(stderr,
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55 "Usage: %s [-width N] [-height N] [-bpp N] [-fullscreen]\n",
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56 argv[0]);
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57 quit(1);
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58 }
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59 }
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60
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61 /* Set video mode */
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62 screen = SDL_SetVideoMode(width, height, video_bpp, 0);
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63 if (!screen) {
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64 fprintf(stderr, "Couldn't set %dx%d video mode: %s\n",
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65 width, height, SDL_GetError());
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66 quit(2);
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67 }
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68
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69 /* Get the colors */
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70 colors[0] = SDL_MapRGB(screen->format, 0xFF, 0x00, 0x00);
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71 colors[1] = SDL_MapRGB(screen->format, 0x00, 0xFF, 0x00);
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72 colors[2] = SDL_MapRGB(screen->format, 0x00, 0x00, 0xFF);
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73
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74 /* Loop, filling and waiting for a keystroke */
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75 frames = 0;
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76 then = SDL_GetTicks();
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77 done = 0;
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78 while (!done) {
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79 /* Check for events */
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80 ++frames;
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81 while (SDL_PollEvent(&event)) {
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82 switch (event.type) {
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83 case SDL_MOUSEBUTTONDOWN:
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84 SDL_WarpMouse(screen->w / 2, screen->h / 2);
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85 break;
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86 case SDL_KEYDOWN:
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87 /* Any keypress quits the app... */
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88 case SDL_QUIT:
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89 done = 1;
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90 break;
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91 default:
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92 break;
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93 }
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94 }
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95 SDL_FillRect(screen, NULL, colors[frames%3]);
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96 SDL_Flip(screen);
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97 }
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98
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99 /* Print out some timing information */
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100 now = SDL_GetTicks();
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101 if (now > then) {
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102 double fps = ((double) frames * 1000) / (now - then);
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103 printf("%2.2f frames per second\n", fps);
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104 }
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105 SDL_Quit();
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106 return (0);
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107 }