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https://github.com/lxsang/meta-rpi-diya.git
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initial commit
This commit is contained in:
Dany LE
111
recipes-example/example/files/sdl_test.cpp
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111
recipes-example/example/files/sdl_test.cpp
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#include <SDL2/SDL.h>
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#include <iostream>
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#include <vector>
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#include <cstdlib>
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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_EVERYTHING ) < 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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0,0,
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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_SetWindowFullscreen(window,SDL_WINDOW_FULLSCREEN);
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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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SDL_DisplayMode DM;
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SDL_GetCurrentDisplayMode(0, &DM);
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printf("Display size %dx%d\n", DM.w, DM.h);
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bool running = true;
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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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switch (ev.type)
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{
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case SDL_QUIT:
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/* code */
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running = false;
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break;
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case SDL_KEYDOWN:
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if(ev.key.keysym.sym == SDLK_ESCAPE)
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{
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running = false;
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}
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break;
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case SDL_FINGERDOWN:
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case SDL_FINGERMOTION:
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std::cout << "Mouse finger down: x = " << ev.tfinger.x << ", y = " << ev.tfinger.y << std::endl;
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SDL_WarpMouseInWindow(window, (int)(ev.tfinger.x*DM.w), (int)(ev.tfinger.y*DM.h));
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break;
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default:
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break;
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}
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}
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SDL_SetRenderDrawColor( renderer, rand() % 256, rand() % 256, rand() % 256, SDL_ALPHA_OPAQUE );
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SDL_RenderClear( renderer );
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SDL_RenderPresent( renderer );
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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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166
recipes-example/example/files/sdlgl.c
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166
recipes-example/example/files/sdlgl.c
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// To compile with gcc: (tested on Ubuntu 14.04 64bit):
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// g++ sdl2_opengl.cpp -lSDL2 -lGL
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// To compile with msvc: (tested on Windows 7 64bit)
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// cl sdl2_opengl.cpp /I C:\sdl2path\include /link C:\path\SDL2.lib C:\path\SDL2main.lib /SUBSYSTEM:CONSOLE /NODEFAULTLIB:libcmtd.lib opengl32.lib
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#include <stdio.h>
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#include <stdint.h>
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#include <assert.h>
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_opengl.h>
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#include <GL/gl.h>
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typedef int32_t i32;
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typedef uint32_t u32;
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typedef int32_t b32;
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#define WinWidth 480
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#define WinHeight 640
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int main(int ArgCount, char **Args)
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{
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u32 WindowFlags = SDL_WINDOW_OPENGL;
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SDL_Window *Window = SDL_CreateWindow("OpenGL Test", 0, 0, 0, 0, WindowFlags);
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assert(Window);
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SDL_GLContext Context = SDL_GL_CreateContext(Window);
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static GLfloat v0[] = {-1.0f, -1.0f, 1.0f};
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static GLfloat v1[] = {1.0f, -1.0f, 1.0f};
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static GLfloat v2[] = {1.0f, 1.0f, 1.0f};
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static GLfloat v3[] = {-1.0f, 1.0f, 1.0f};
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static GLfloat v4[] = {-1.0f, -1.0f, -1.0f};
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static GLfloat v5[] = {1.0f, -1.0f, -1.0f};
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static GLfloat v6[] = {1.0f, 1.0f, -1.0f};
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static GLfloat v7[] = {-1.0f, 1.0f, -1.0f};
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static GLubyte red[] = {255, 0, 0, 255};
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static GLubyte green[] = {0, 255, 0, 255};
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static GLubyte blue[] = {0, 0, 255, 255};
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static GLubyte white[] = {255, 255, 255, 255};
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static GLubyte yellow[] = {0, 255, 255, 255};
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static GLubyte black[] = {0, 0, 0, 255};
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static GLubyte orange[] = {255, 255, 0, 255};
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static GLubyte purple[] = {255, 0, 255, 0};
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SDL_SetWindowFullscreen(Window,SDL_WINDOW_FULLSCREEN);
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SDL_DisplayMode DM;
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SDL_GetCurrentDisplayMode(0, &DM);
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printf("Display size %dx%d\n", DM.w, DM.h);
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int Running = 1;
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while (Running)
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{
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SDL_Event Event;
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while (SDL_PollEvent(&Event))
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{
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if (Event.type == SDL_KEYDOWN)
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{
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switch (Event.key.keysym.sym)
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{
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case SDLK_ESCAPE:
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Running = 0;
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break;
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default:
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break;
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}
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}
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else if (Event.type == SDL_QUIT)
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{
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Running = 0;
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}
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}
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glViewport(0, 0, DM.w, DM.h);
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glClearColor(1.f, 0.f, 1.f, 0.f);
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glClear(GL_COLOR_BUFFER_BIT);
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/* Send our triangle data to the pipeline. */
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glBegin(GL_TRIANGLES);
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glColor4ubv(red);
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glVertex3fv(v0);
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glColor4ubv(green);
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glVertex3fv(v1);
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glColor4ubv(blue);
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glVertex3fv(v2);
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glColor4ubv(red);
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glVertex3fv(v0);
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glColor4ubv(blue);
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glVertex3fv(v2);
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glColor4ubv(white);
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glVertex3fv(v3);
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glColor4ubv(green);
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glVertex3fv(v1);
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glColor4ubv(black);
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glVertex3fv(v5);
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glColor4ubv(orange);
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glVertex3fv(v6);
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glColor4ubv(green);
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glVertex3fv(v1);
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glColor4ubv(orange);
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glVertex3fv(v6);
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glColor4ubv(blue);
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glVertex3fv(v2);
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glColor4ubv(black);
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glVertex3fv(v5);
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glColor4ubv(yellow);
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glVertex3fv(v4);
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glColor4ubv(purple);
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glVertex3fv(v7);
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glColor4ubv(black);
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glVertex3fv(v5);
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glColor4ubv(purple);
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glVertex3fv(v7);
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glColor4ubv(orange);
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glVertex3fv(v6);
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glColor4ubv(yellow);
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glVertex3fv(v4);
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glColor4ubv(red);
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glVertex3fv(v0);
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glColor4ubv(white);
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glVertex3fv(v3);
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glColor4ubv(yellow);
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glVertex3fv(v4);
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glColor4ubv(white);
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glVertex3fv(v3);
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glColor4ubv(purple);
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glVertex3fv(v7);
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glColor4ubv(white);
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glVertex3fv(v3);
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glColor4ubv(blue);
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glVertex3fv(v2);
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glColor4ubv(orange);
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glVertex3fv(v6);
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glColor4ubv(white);
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glVertex3fv(v3);
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glColor4ubv(orange);
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glVertex3fv(v6);
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glColor4ubv(purple);
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glVertex3fv(v7);
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glColor4ubv(green);
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glVertex3fv(v1);
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glColor4ubv(red);
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glVertex3fv(v0);
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glColor4ubv(yellow);
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glVertex3fv(v4);
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glColor4ubv(green);
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glVertex3fv(v1);
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glColor4ubv(yellow);
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glVertex3fv(v4);
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glColor4ubv(black);
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glVertex3fv(v5);
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glEnd();
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SDL_GL_SwapWindow(Window);
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}
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return 0;
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}
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