/////////////////////////////////////////////////////////
// createMess
//
/////////////////////////////////////////////////////////
bool gemsdlwindow :: create(void)
{
if(m_surface) {
error("window already made!");
return false;
}
if ( SDL_InitSubSystem( SDL_INIT_VIDEO ) < 0 ) {
error("could not (re)initialize SDL window infrastructure");
return false;
}
/* Fetch the video info */
const SDL_VideoInfo *videoInfo = SDL_GetVideoInfo( );
m_videoFlags = SDL_OPENGL; /* Enable OpenGL in SDL */
if(2==m_buffer) {
m_videoFlags |= SDL_GL_DOUBLEBUFFER; /* Enable double buffering */
/* Sets up OpenGL double buffering */
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
} else {
/* Sets up OpenGL double buffering */
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 0 );
}
m_videoFlags |= SDL_HWPALETTE; /* Store the palette in hardware */
m_videoFlags |= SDL_RESIZABLE; /* Enable window resizing */
if(videoInfo) {
/* This checks to see if surfaces can be stored in memory */
if ( videoInfo->hw_available )
m_videoFlags |= SDL_HWSURFACE;
else
m_videoFlags |= SDL_SWSURFACE;
/* This checks if hardware blits can be done */
if ( videoInfo->blit_hw )
m_videoFlags |= SDL_HWACCEL;
}
/* get a SDL surface */
m_surface = SDL_SetVideoMode( m_width, m_height,
m_bpp,
m_videoFlags );
if(!m_surface)
return false;
if(!createGemWindow()) {
destroyMess();
return false;
}
titleMess(m_title);
fullscreenMess(m_fullscreen);
dispatch();
return true;
}
/////////////////////////////////////////////////////////
// createConstWindow
//
/////////////////////////////////////////////////////////
int GemMan::createConstWindow(char* disp)
{
// can we only have one context?
if (s_singleContext)
return(GemMan::createWindow(disp));
WindowHints myHints;
myHints.title = const_cast<char*>(GemMan::m_title.c_str());
myHints.border = 1;
myHints.buffer = 1;
myHints.x_offset = 0;
myHints.y_offset = 0;
myHints.width = GemMan::m_width;
myHints.height = GemMan::m_height;
initWin_sharedContext(constInfo, myHints);
myHints.actuallyDisplay = 0;
myHints.fullscreen = 0;
myHints.display = disp;
myHints.fsaa = GemMan::fsaa;
if (!createGemWindow(constInfo, myHints) )
{
error("GEM: Error creating const context");
constInfo.have_constContext=0;
gfxInfo.have_constContext=0;
return(0);
} else{
constInfo.have_constContext=1;
gfxInfo.have_constContext=1;
}
return(1);
}
/////////////////////////////////////////////////////////
// createMess
//
/////////////////////////////////////////////////////////
bool gemglfw2window :: create(void)
{
int mode = GLFW_WINDOW;
if(0!=s_window) {
error("window already made!");
return false;
}
if(m_fullscreen)
mode=GLFW_FULLSCREEN;
glfwOpenWindowHint(GLFW_FSAA_SAMPLES, m_fsaa);
if(m_profile_major) {
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, m_profile_major); // We want OpenGL 3.3
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, m_profile_minor);
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); //We don't want the old OpenGL
}
if (!glfwOpenWindow(m_width, m_height,
8, 8, 8, 8, /* RGBA bits */
24, 8, /* depth/stencil bits */
mode)) {
error("glfw couldn't create window");
return false;
}
// FIXXME: single/double buffering
if(!createGemWindow()) {
destroyMess();
return false;
}
s_window=this;
titleMess(m_title);
offsetMess(m_xoffset, m_yoffset);
cursorMess(m_cursor);
glfwSetWindowSizeCallback (windowsizeCb);
glfwSetWindowCloseCallback (windowcloseCb);
glfwSetWindowRefreshCallback(windowrefreshCb);
glfwSetKeyCallback (keyCb);
glfwSetCharCallback (charCb);
glfwSetMouseButtonCallback (mousebuttonCb);
glfwSetMousePosCallback (mouseposCb);
glfwSetMouseWheelCallback (mousewheelCb);
dispatch();
return (0!=s_window);
}
/////////////////////////////////////////////////////////
// createMess
//
/////////////////////////////////////////////////////////
bool gemglutwindow :: create(void)
{
if(m_window) {
error("window already made!");
return false;
}
#ifdef FREEGLUT
// display list sharing (with FreeGLUT)
if(s_windowmap.size()>0) {
std::map<int,gemglutwindow*>::iterator it = s_windowmap.begin();
gemglutwindow*other=NULL;
other=it->second;
if(other && other->makeCurrent()) {
glutSetOption(GLUT_RENDERING_CONTEXT, GLUT_USE_CURRENT_CONTEXT );
}
}
#endif
unsigned int mode=GLUT_RGB | GLUT_DEPTH;
if(2==m_buffer)
mode|=GLUT_DOUBLE;
else
mode|=GLUT_SINGLE;
glutInitDisplayMode(mode);
m_window=glutCreateWindow(m_title.c_str());
s_windowmap[m_window]=this;
glutDisplayFunc (&gemglutwindow::displayCb);
glutVisibilityFunc(&gemglutwindow::visibleCb);
glutCloseFunc (&gemglutwindow::closeCb);
#ifdef FREEGLUT
glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS);
#endif
glutKeyboardFunc(&gemglutwindow::keyboardCb);
glutSpecialFunc(&gemglutwindow::specialCb);
glutReshapeFunc(&gemglutwindow::reshapeCb);
glutMouseFunc(&gemglutwindow::mouseCb);
glutMotionFunc(&gemglutwindow::motionCb);
glutPassiveMotionFunc(&gemglutwindow::passivemotionCb);
glutEntryFunc(&gemglutwindow::entryCb);
glutKeyboardUpFunc(&gemglutwindow::keyboardupCb);
glutSpecialUpFunc(&gemglutwindow::specialupCb);
glutJoystickFunc(&gemglutwindow::joystickCb, 20);
glutMenuStateFunc(&gemglutwindow::menustateCb);
glutMenuStatusFunc(&gemglutwindow::menustatusCb);
glutWindowStatusFunc(&gemglutwindow::windowstatusCb);
// glutNameFunc(&gemglutwindow::nameCb);
if(!createGemWindow()) {
destroyMess();
return false;
}
titleMess(m_title);
fullscreenMess(m_fullscreen);
dispatch();
return true;
}
/////////////////////////////////////////////////////////
// createMess
//
/////////////////////////////////////////////////////////
bool gemglxwindow :: create(void)
{
bool success=true;
/*
* hmm, this crashes when enabled
* when disabled, we don't get textures on two screens
*/
//~#warning context-sharing disabled
bool context_sharing=false;
if(!m_context
&& context_sharing) { /* gemglxwindow::PIMPL::s_shared.count(m_display)>0 */
gemglxwindow::PIMPL*sharedPimpl=&gemglxwindow::PIMPL::s_shared[m_display];
if(!sharedPimpl->glxcontext) {
try {
int x=0, y=0;
unsigned int w=1, h=1;
success=sharedPimpl->create(m_display, 2, false, false, x, y, w, h,
m_transparent);
} catch (GemException&ex) {
error("creation of shared glxcontext failed: %s", ex.what());
verbose(0, "continuing at your own risk!");
}
if(!sharedPimpl->gemcontext) {
try {
sharedPimpl->gemcontext = createContext();
} catch (GemException&ex) {
sharedPimpl->gemcontext = NULL;
error("creation of shared gem::context failed: %s", ex.what());
}
}
}
m_context=sharedPimpl->gemcontext;
} else { // no context sharing
/* creation of gem::Context is deferred until *after* window creation */
}
int modeNum=4;
#ifdef HAVE_LIBXXF86VM
XF86VidModeModeInfo **modes;
#endif
char svalue[3];
snprintf(svalue, 3, "%d", m_fsaa);
svalue[2]=0;
if (m_fsaa!=0) {
setenv("__GL_FSAA_MODE", svalue, 1); // this works only for NVIDIA-cards
}
try {
success=m_pimpl->create(m_display, m_buffer, m_fullscreen, m_border,
m_xoffset, m_yoffset, m_width, m_height, m_transparent);
} catch (GemException&x) {
x.report();
success=false;
}
if(!success) {
return false;
}
/* create a gem::context if we don't already have (a shared) one */
if(!m_context) {
try {
m_context = createContext();
} catch (GemException&x) {
m_context = NULL;
error("creation of gem::context failed: %s", x.what());
}
}
XMapRaised(m_pimpl->dpy, m_pimpl->win);
// XMapWindow(m_pimpl->dpy, m_pimpl->win);
XEvent report;
XIfEvent(m_pimpl->dpy, &report, WaitForNotify, (char*)m_pimpl->win);
if (glXIsDirect(m_pimpl->dpy, m_pimpl->glxcontext)) {
post("Direct Rendering enabled!");
}
cursorMess(m_cursor);
titleMess(m_title);
return createGemWindow();
}
/////////////////////////////////////////////////////////
// createMess
//
/////////////////////////////////////////////////////////
bool gemglutwindow :: create(void)
{
if(m_window) {
error("window already made!");
return false;
}
#ifdef FREEGLUT
// display list sharing (with FreeGLUT)
if(s_windowmap.size()>0) {
std::map<int,gemglutwindow*>::iterator it = s_windowmap.begin();
gemglutwindow*other=NULL;
other=it->second;
if(other && other->makeCurrent()) {
glutSetOption(GLUT_RENDERING_CONTEXT, GLUT_USE_CURRENT_CONTEXT );
}
}
#endif
unsigned int mode=GLUT_RGB | GLUT_DEPTH;
if(2==m_buffer)
mode|=GLUT_DOUBLE;
else
mode|=GLUT_SINGLE;
glutInitDisplayMode(mode);
#ifdef FREEGLUT
// glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS);
glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION);
glutSetOption(GLUT_INIT_WINDOW_X, m_xoffset);
glutSetOption(GLUT_INIT_WINDOW_Y, m_yoffset);
glutSetOption(GLUT_INIT_WINDOW_WIDTH, m_width);
glutSetOption(GLUT_INIT_WINDOW_HEIGHT, m_height);
#endif
m_window=glutCreateWindow(m_title.c_str());
s_windowmap[m_window]=this;
glutReshapeWindow(m_width, m_height);
glutPositionWindow(m_xoffset, m_yoffset);
glutCloseFunc (&closeCb);
glutKeyboardFunc(&keyboardCb);
glutSpecialFunc(&specialCb);
glutReshapeFunc(&reshapeCb);
glutKeyboardUpFunc(&keyboardupCb);
glutSpecialUpFunc(&specialupCb);
glutJoystickFunc(&joystickCb, 20);
glutMenuStateFunc(&menustateCb);
glutMenuStatusFunc(&menustatusCb);
glutWindowStatusFunc(&windowstatusCb);
#if (defined GLUT_HAS_MULTI) && (GLUT_HAS_MULTI > 0)
glutMultiEntryFunc(multiEntryCb);
glutMultiButtonFunc(multiButtonCb);
glutMultiMotionFunc(multiMotionCb);
glutMultiPassiveFunc(multiPassivemotionCb);
#else
glutEntryFunc(&entryCb);
glutMouseFunc(&mouseCb);
glutMotionFunc(&motionCb);
glutPassiveMotionFunc(&passivemotionCb);
#endif
// glutNameFunc(&nameCb);
glutDisplayFunc (&displayCb);
glutVisibilityFunc(&visibleCb);
if(!createGemWindow()) {
destroyMess();
return false;
}
titleMess(m_title);
fullscreenMess(m_fullscreen);
dispatch();
return true;
}
/////////////////////////////////////////////////////////
// createGemWindow
//
/////////////////////////////////////////////////////////
bool gemw32window:: create(void)
{
unsigned int w = m_width;
unsigned int h = m_height;
int x = m_xoffset;
int y = m_yoffset;
static bool firstTime = true;
// Register the frame class
HINSTANCE hInstance = GetModuleHandle(NULL);
if (!hInstance) {
error("GEM: Unable to get module instance");
return false;
}
if (firstTime) {
WNDCLASS wndclass;
wndclass.style = 0;
wndclass.lpfnWndProc = (WNDPROC)Window::MainWndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hCursor = LoadCursor(NULL, IDC_CROSS);
wndclass.hIcon = LoadIcon(NULL, IDI_WINLOGO);
wndclass.hbrBackground = NULL;
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = "GEM";
if (!RegisterClass(&wndclass) ) {
error("GEM: Unable to register window class");
return false;
}
firstTime = false;
}
if (NULL==Window::sharedContext) {
static Window*s_sharedWindow=NULL;
try {
unsigned int w0=0, h0=0;
int x0=0, y0=0;
s_sharedWindow=new Window(NULL, hInstance, 2, false, false, "GEM",
x0, y0,
w0, h0);
Window::sharedContext=s_sharedWindow->context;
} catch (GemException&) {
Window::sharedContext=NULL;
}
}
m_win=NULL;
try {
m_win=new Window(this, hInstance, m_buffer, m_fullscreen>0, m_border, m_title,
x, y, w, h);
} catch (GemException&x) {
error("%s", x.what());
return false;
}
// show and update main window
if (m_fullscreen){
ShowWindow(m_win->win,SW_SHOW); // Show The Window
SetForegroundWindow(m_win->win); // Slightly Higher Priority
SetFocus(m_win->win);
} else {
ShowWindow(m_win->win, SW_SHOWNORMAL);
}
UpdateWindow(m_win->win);
dimension(w, h);
position(x, y);
return createGemWindow();
}
/////////////////////////////////////////////////////////
// createWindow
//
/////////////////////////////////////////////////////////
int GemMan :: createWindow(char* disp)
{
if ( m_windowState ) return(s_singleContext);
debug_post("GemMan: create window");
WindowHints myHints;
myHints.border = m_border;
myHints.buffer = m_buffer;
myHints.width = m_width;
myHints.height = m_height;
myHints.fullscreen = m_fullscreen;
myHints.secondscreen = m_secondscreen;
myHints.x_offset = m_xoffset;
myHints.y_offset = m_yoffset;
myHints.shared = constInfo.context;
myHints.actuallyDisplay = 1;
myHints.display = disp;
myHints.title = const_cast<char*>(GemMan::m_title.c_str());
myHints.fsaa = fsaa;
if (disp) post("GEM: creating gem-window on display %s",disp);
if (!createGemWindow(gfxInfo, myHints) )
{
error("GEM: Unable to create window");
return(0);
}
/*
Check for the presence of a couple of useful OpenGL extensions
we can use to speed up the movie rendering.
GL_EXT_texture_rectangle allows for non-power-of-two sized
textures. Texture coordinates for these textures run from
0..width, 0..height instead of 0..1, 0..1 as for normal
power-of-two textures. GL_EXT_texture_rectangle is available
on the NVidia GeForce2MX and above, or the ATI Radeon and above.
*/
glewInitialized=false;
GLenum err = glewInit();
if (GLEW_OK != err) {
if(GLEW_ERROR_GLX_VERSION_11_ONLY == err) {
error("GEM: failed to init GLEW (glx): continuing anyhow - please report any problems to the gem-dev mailinglist!");
} else if (GLEW_ERROR_GL_VERSION_10_ONLY) {
error("GEM: failed to init GLEW: your system only supports openGL-1.0");
return(0);
} else {
error("GEM: failed to init GLEW");
return(0);
}
}
glewInitialized=true;
logpost(NULL, 4,"GEM: GLEW version %s",glewGetString(GLEW_VERSION));
checkOpenGLExtensions();
/* check the stack-sizes */
glGetIntegerv(GL_MAX_MODELVIEW_STACK_DEPTH, maxStackDepth+STACKMODELVIEW);
if(GLEW_ARB_imaging) {
glGetIntegerv(GL_MAX_COLOR_MATRIX_STACK_DEPTH, maxStackDepth+STACKCOLOR);
}
glGetIntegerv(GL_MAX_TEXTURE_STACK_DEPTH, maxStackDepth+STACKTEXTURE);
glGetIntegerv(GL_MAX_PROJECTION_STACK_DEPTH, maxStackDepth+STACKPROJECTION);
m_w=myHints.real_w;
m_h=myHints.real_h;
m_windowState = 1;
cursorOnOff(m_cursor);
topmostOnOff(m_topmost);
m_windowNumber++;
windowInit();
clock_delay(s_windowClock, s_windowDelTime);
s_windowRun = 1;
return(1);
}
