view test/testvidinfo.c @ 211:0cc95f442f3a

If we're looking at the /dev/input event devices, and we found at least one, then we don't want to look at the input joystick devices, since they're built on top of devices that we've already seen, so we're done.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 22 Oct 2001 21:34:50 +0000
parents 74212992fb08
children c6abdda2f666
line wrap: on
line source


/* Simple program -- figure out what kind of video display we have */

#include <stdio.h>
#include <stdlib.h>

#include "SDL.h"

int main(int argc, char *argv[])
{
	const SDL_VideoInfo *info;
	int i;
	SDL_Rect **modes;

	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
		fprintf(stderr,
			"Couldn't initialize SDL: %s\n", SDL_GetError());
		exit(1);
	}
	info = SDL_GetVideoInfo();
	printf(
"Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
	if ( info->vfmt->palette == NULL ) {
		printf("	Red Mask = 0x%.8x\n", info->vfmt->Rmask);
		printf("	Green Mask = 0x%.8x\n", info->vfmt->Gmask);
		printf("	Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
	}
	/* Print available fullscreen video modes */
	modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
	if ( modes == (SDL_Rect **)0 ) {
		printf("No available fullscreen video modes\n");
	} else
	if ( modes == (SDL_Rect **)-1 ) {
		printf("No special fullscreen video modes\n");
	} else {
		printf("Fullscreen video modes:\n");
		for ( i=0; modes[i]; ++i ) {
			printf("\t%dx%d\n", modes[i]->w, modes[i]->h);
		}
	}
	if ( info->wm_available ) {
		printf("A window manager is available\n");
	}
	if ( info->hw_available ) {
		printf("Hardware surfaces are available (%dK video memory)\n",
			info->video_mem);
	}
	if ( info->blit_hw ) {
		printf(
"Copy blits between hardware surfaces are accelerated\n");
	}
	if ( info->blit_hw_CC ) {
		printf(
"Colorkey blits between hardware surfaces are accelerated\n");
	}
	if ( info->blit_hw_A ) {
		printf(
"Alpha blits between hardware surfaces are accelerated\n");
	}
	if ( info->blit_sw ) {
		printf(
"Copy blits from software surfaces to hardware surfaces are accelerated\n");
	}
	if ( info->blit_sw_CC ) {
		printf(
"Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
	}
	if ( info->blit_sw_A ) {
		printf(
"Alpha blits from software surfaces to hardware surfaces are accelerated\n");
	}
	if ( info->blit_fill ) {
		printf(
"Color fills on hardware surfaces are accelerated\n");
	}
	SDL_Quit();
	return(0);
}