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comparison test/testvidinfo.c @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children c6abdda2f666
comparison
equal deleted inserted replaced
-1:000000000000 0:74212992fb08
1
2 /* Simple program -- figure out what kind of video display we have */
3
4 #include <stdio.h>
5 #include <stdlib.h>
6
7 #include "SDL.h"
8
9 int main(int argc, char *argv[])
10 {
11 const SDL_VideoInfo *info;
12 int i;
13 SDL_Rect **modes;
14
15 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
16 fprintf(stderr,
17 "Couldn't initialize SDL: %s\n", SDL_GetError());
18 exit(1);
19 }
20 info = SDL_GetVideoInfo();
21 printf(
22 "Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
23 if ( info->vfmt->palette == NULL ) {
24 printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask);
25 printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask);
26 printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
27 }
28 /* Print available fullscreen video modes */
29 modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
30 if ( modes == (SDL_Rect **)0 ) {
31 printf("No available fullscreen video modes\n");
32 } else
33 if ( modes == (SDL_Rect **)-1 ) {
34 printf("No special fullscreen video modes\n");
35 } else {
36 printf("Fullscreen video modes:\n");
37 for ( i=0; modes[i]; ++i ) {
38 printf("\t%dx%d\n", modes[i]->w, modes[i]->h);
39 }
40 }
41 if ( info->wm_available ) {
42 printf("A window manager is available\n");
43 }
44 if ( info->hw_available ) {
45 printf("Hardware surfaces are available (%dK video memory)\n",
46 info->video_mem);
47 }
48 if ( info->blit_hw ) {
49 printf(
50 "Copy blits between hardware surfaces are accelerated\n");
51 }
52 if ( info->blit_hw_CC ) {
53 printf(
54 "Colorkey blits between hardware surfaces are accelerated\n");
55 }
56 if ( info->blit_hw_A ) {
57 printf(
58 "Alpha blits between hardware surfaces are accelerated\n");
59 }
60 if ( info->blit_sw ) {
61 printf(
62 "Copy blits from software surfaces to hardware surfaces are accelerated\n");
63 }
64 if ( info->blit_sw_CC ) {
65 printf(
66 "Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
67 }
68 if ( info->blit_sw_A ) {
69 printf(
70 "Alpha blits from software surfaces to hardware surfaces are accelerated\n");
71 }
72 if ( info->blit_fill ) {
73 printf(
74 "Color fills on hardware surfaces are accelerated\n");
75 }
76 SDL_Quit();
77 return(0);
78 }