EglDisplayImpl::EglDisplayImpl()
: initialized_(false),
invalidated_(false),
color_buffers_locked_(0),
global_context_(NULL),
window_(NULL) {
ConfigsList configs;
Native::QueryConfigs(&configs);
// Start at 1 since 0 is EGL_NO_CONFIG.
int id = 1;
for (ConfigsList::iterator it = configs.begin(); it != configs.end(); ++it) {
configs_.insert(EglConfigImpl(id, *it));
++id;
}
}
void queryConfigs(EGLNativeDisplayType dpy,int renderableType,ConfigsList& listOut) {
int n;
EGLNativePixelFormatType* frmtList = glXGetFBConfigs(dpy,0,&n);
for(int i =0 ;i < n ; i++) {
EglConfig* conf = pixelFormatToConfig(dpy,renderableType,&frmtList[i]);
if(conf) listOut.push_back(conf);
}
XFree(frmtList);
}
void queryConfigs(EGLNativeInternalDisplayType display,int renderableType,ConfigsList& listOut) {
PIXELFORMATDESCRIPTOR pfd;
int iPixelFormat = 1;
HDC dpy = getDummyDC(display,WinDisplay::DEFAULT_DISPLAY);
//
// We need to call wglChoosePixelFormat at least once,
// seems that the driver needs to initialize itself.
// do it here during initialization.
//
initPixelFormat(dpy);
//quering num of formats
int nFormats = DescribePixelFormat(dpy, iPixelFormat,sizeof(PIXELFORMATDESCRIPTOR), &pfd);
//inserting rest of formats
for(iPixelFormat;iPixelFormat < nFormats; iPixelFormat++) {
DescribePixelFormat(dpy, iPixelFormat,sizeof(PIXELFORMATDESCRIPTOR), &pfd);
EglConfig* pConfig = pixelFormatToConfig(display,renderableType,&pfd,iPixelFormat);
if(pConfig) listOut.push_back(pConfig);
}
}