96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
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#include <SDL.h>
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#include <iostream>
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#include <vector>
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int main( int argc, char** argv )
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{
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SDL_Init( 0 );
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std::cout << "Testing video drivers..." << '\n';
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std::vector< bool > drivers( SDL_GetNumVideoDrivers() );
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for( int i = 0; i < drivers.size(); ++i )
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{
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drivers[ i ] = ( 0 == SDL_VideoInit( SDL_GetVideoDriver( i ) ) );
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SDL_VideoQuit();
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}
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std::cout << "SDL_VIDEODRIVER available:";
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for( int i = 0; i < drivers.size(); ++i )
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{
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std::cout << " " << SDL_GetVideoDriver( i );
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}
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std::cout << '\n';
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std::cout << "SDL_VIDEODRIVER usable :";
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for( int i = 0; i < drivers.size(); ++i )
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{
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if( !drivers[ i ] ) continue;
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std::cout << " " << SDL_GetVideoDriver( i );
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}
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std::cout << '\n';
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if( SDL_Init( SDL_INIT_VIDEO ) < 0 )
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{
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std::cerr << "SDL_Init(): " << SDL_GetError() << '\n';
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return EXIT_FAILURE;
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}
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std::cout << "SDL_VIDEODRIVER selected : " << SDL_GetCurrentVideoDriver() << '\n';
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SDL_Window* window = SDL_CreateWindow
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(
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"SDL2",
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SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
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640, 480,
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SDL_WINDOW_SHOWN
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);
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if( nullptr == window )
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{
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std::cerr << "SDL_CreateWindow(): " << SDL_GetError() << '\n';
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return EXIT_FAILURE;
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}
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std::cout << "SDL_RENDER_DRIVER available:";
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for( int i = 0; i < SDL_GetNumRenderDrivers(); ++i )
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{
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SDL_RendererInfo info;
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SDL_GetRenderDriverInfo( i, &info );
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std::cout << " " << info.name;
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}
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std::cout << '\n';
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SDL_Renderer* renderer = SDL_CreateRenderer( window, -1, SDL_RENDERER_ACCELERATED );
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if( nullptr == renderer )
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{
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std::cerr << "SDL_CreateRenderer(): " << SDL_GetError() << '\n';
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return EXIT_FAILURE;
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}
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SDL_RendererInfo info;
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SDL_GetRendererInfo( renderer, &info );
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std::cout << "SDL_RENDER_DRIVER selected : " << info.name << '\n';
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bool running = true;
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unsigned char i = 0;
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while( running )
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{
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SDL_Event ev;
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while( SDL_PollEvent( &ev ) )
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{
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if( ( ev.type == SDL_QUIT ) ||
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( ev.type == SDL_KEYDOWN && ev.key.keysym.sym == SDLK_ESCAPE ) )
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{
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running = false;
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}
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}
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SDL_SetRenderDrawColor( renderer, i, i, i, SDL_ALPHA_OPAQUE );
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SDL_RenderClear( renderer );
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SDL_RenderPresent( renderer );
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i++;
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}
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SDL_DestroyRenderer( renderer );
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SDL_DestroyWindow( window );
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SDL_Quit();
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return 0;
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}
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