我找不到运行 SDL2 的代码示例,当我尝试使用 Derelict SDL2 在 DMD2 上编译以下代码时,出现上述错误。有一套新的初始化SDL2的程序吗?
代码是:
import std.stdio;
import derelict.sdl2.sdl;
import derelict.sdl2.types;
import derelict.opengl3.gl3;
private import EventHub;
pragma(lib, "DerelictUtil.lib");
pragma(lib, "DerelictGL3.lib");
pragma(lib, "derelictSDL2.lib");
bool running=true;
SDL_Surface *screen;
class App{
private EventHub ehub;
private bool virgin=true;
private int w=1024, h=768, bpp=24;
private int flags=SDL_GL_DOUBLEBUFFER;//| SDL_FULLSCREEN
public void init(){
initSDL();
}
private bool initSDL(){
if(SDL_Init(SDL_INIT_VIDEO)<0){
SDL_Quit();
writeln("Error initializing SDL_Video");
writeln(SDL_GetError());
return false;
}
writeln("fred");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 2);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
screen=SDL_SetVideoMode(w, h, bpp, flags);
return true;
}
}
void main(){
try{
DerelictGL3.load();
}catch(Exception e){
writeln("Error loading GL3");
}
try{
DerelictSDL2.load();
}catch(Exception e){
writeln("Error loading SDL");
}
App a=new App();
a.init();
}
如果 screen=SDL_SetVideoMode(w, h, bpp, flags),程序将打印“fred”;语句已被注释掉,因此 SDL 正在加载并初始化正常。有人有任何线索吗?
最佳答案
SDL 1.3(完成后将作为版本 2 发布)没有真正的 SDL_SetVideoMode 函数。 (文档提到了兼容性 stub ,但 Delelict 中可能没有它。)请参阅 migration guide了解更多详情。
关于sdl - 为什么我得到 : Error: undefined identifier SDL_SetVideoMode when compiling SDL2 on DMD2,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/10158956/