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2 /* Simple program -- figure out what kind of video display we have */
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3
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6
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7 #include "SDL.h"
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8
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9 int main(int argc, char *argv[])
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10 {
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11 const SDL_VideoInfo *info;
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12 int i;
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13 SDL_Rect **modes;
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14
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15 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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16 fprintf(stderr,
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17 "Couldn't initialize SDL: %s\n", SDL_GetError());
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18 exit(1);
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19 }
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20 info = SDL_GetVideoInfo();
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21 printf(
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22 "Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
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23 if ( info->vfmt->palette == NULL ) {
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24 printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask);
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25 printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask);
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26 printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
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27 }
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28 /* Print available fullscreen video modes */
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29 modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
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30 if ( modes == (SDL_Rect **)0 ) {
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31 printf("No available fullscreen video modes\n");
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32 } else
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33 if ( modes == (SDL_Rect **)-1 ) {
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34 printf("No special fullscreen video modes\n");
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35 } else {
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36 printf("Fullscreen video modes:\n");
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37 for ( i=0; modes[i]; ++i ) {
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38 printf("\t%dx%d\n", modes[i]->w, modes[i]->h);
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39 }
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40 }
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41 if ( info->wm_available ) {
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42 printf("A window manager is available\n");
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43 }
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44 if ( info->hw_available ) {
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45 printf("Hardware surfaces are available (%dK video memory)\n",
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46 info->video_mem);
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47 }
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48 if ( info->blit_hw ) {
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49 printf(
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50 "Copy blits between hardware surfaces are accelerated\n");
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51 }
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52 if ( info->blit_hw_CC ) {
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53 printf(
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54 "Colorkey blits between hardware surfaces are accelerated\n");
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55 }
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56 if ( info->blit_hw_A ) {
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57 printf(
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58 "Alpha blits between hardware surfaces are accelerated\n");
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59 }
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60 if ( info->blit_sw ) {
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61 printf(
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62 "Copy blits from software surfaces to hardware surfaces are accelerated\n");
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63 }
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64 if ( info->blit_sw_CC ) {
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65 printf(
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66 "Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
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67 }
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68 if ( info->blit_sw_A ) {
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69 printf(
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70 "Alpha blits from software surfaces to hardware surfaces are accelerated\n");
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71 }
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72 if ( info->blit_fill ) {
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73 printf(
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74 "Color fills on hardware surfaces are accelerated\n");
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75 }
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76 SDL_Quit();
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77 return(0);
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78 }
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