🛠️🐜 Antkeeper superbuild with dependencies included
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1118 lines
36 KiB
1118 lines
36 KiB
#include "X11OpenGLWindow.h"
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#include "OpenGLInclude.h"
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#include<stdio.h>
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#include<stdlib.h>
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#ifdef GLEW_STATIC
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#include "CustomGL/glew.h"
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#else
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#include <GL/glew.h>
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#endif//GLEW_STATIC
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#ifdef GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
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#include "CustomGL/glxew.h"
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#else
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#include<GL/glx.h>
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#endif // GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
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#include <assert.h>
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//#define DYNAMIC_LOAD_X11_FUNCTIONS
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#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
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#include <dlfcn.h>
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#endif //DYNAMIC_LOAD_X11_FUNCTIONS
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//#include<X11/X.h>
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//#include<X11/Xlib.h>
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//#include<GL/gl.h>
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//defined in GL/glxew.h
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//#include<GL/glu.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <pthread.h>
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GLint att[] = { GLX_RGBA,
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GLX_DEPTH_SIZE, 24,
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GLX_RED_SIZE , 8,
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GLX_GREEN_SIZE , 8,
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GLX_BLUE_SIZE , 8,
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GLX_ALPHA_SIZE , 8,
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GLX_STENCIL_SIZE , 8,
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GLX_DOUBLEBUFFER,
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None };
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/*
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static int att[] =
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{
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GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None
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GLX_X_RENDERABLE , True,
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GLX_DRAWABLE_TYPE , GLX_WINDOW_BIT,
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GLX_RENDER_TYPE , GLX_RGBA_BIT,
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GLX_X_VISUAL_TYPE , GLX_TRUE_COLOR,
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GLX_RED_SIZE , 8,
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GLX_GREEN_SIZE , 8,
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GLX_BLUE_SIZE , 8,
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GLX_ALPHA_SIZE , 8,
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GLX_DEPTH_SIZE , 24,
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GLX_STENCIL_SIZE , 8,
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GLX_DOUBLEBUFFER , True,
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None
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};
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*/
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static bool forceOpenGL3 = true;
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#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
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///our X11 function typedefs
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typedef int (*PFNXFREE)(void*);
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typedef XErrorHandler (* PFNXSETERRORHANDLER) (XErrorHandler);
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typedef int (* PFNXSYNC) (Display* a,Bool b);
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typedef Display* (* PFNXOPENDISPLAY) (_Xconst char* a);
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typedef Colormap (*PFNXCREATECOLORMAP) (Display* a,Window b,Visual* c,int d);
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typedef Window (*PFNXCREATEWINDOW) (Display* a,Window b,int c,int d,unsigned int e,unsigned int f,unsigned int g,int h,unsigned int i,Visual* j,unsigned long k,XSetWindowAttributes* l);
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typedef int (*PFNXMAPWINDOW) (Display*, Window);
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typedef int (*PFNXSTORENAME) (Display* a,Window b,_Xconst char* c);
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typedef int (*PFNXCLOSEDISPLAY) (Display* a);
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typedef int (*PFNXDESTROYWINDOW) (Display* a,Window b);
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typedef int (*PFNXRAISEWINDOW) (Display* a, Window b);
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#if NeedWidePrototypes
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typedef KeySym* (*PFNXGETKEYBOARDMAPPING) (Display*,unsigned int,int,int*);
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typedef KeySym (*PFNXKEYCODETOKEYSYM) (Display* a,unsigned int b,int c);
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#else
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typedef KeySym* (*PFNXGETKEYBOARDMAPPING) (Display*,KeyCode,int,int*);
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typedef KeySym (*PFNXKEYCODETOKEYSYM) (Display* a,KeyCode b,int c);
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#endif
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typedef void (*PFNXCONVERTCASE) (KeySym /* sym */,KeySym * /* lower */,KeySym * /* upper */);
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typedef int (*PFNXPENDING) (Display* a);
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typedef int (*PFNXNEXTEVENT) (Display* a,XEvent* b);
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typedef int (*PFNXEVENTSQUEUED) (Display* a,int b);
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typedef int (*PFNXPEEKEVENT) (Display* a,XEvent* b);
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typedef KeySym (*PFNXLOOKUPKEYSYM) (XKeyEvent* a,int b);
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typedef Status (*PFNXGETWINDOWATTRIBUTES) (Display* a,Window b,XWindowAttributes* c);
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#define X11_LIBRARY "libX11.so.6"
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#define MyXSync m_data->m_x11_XSync
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#define MyXGetKeyboardMapping m_data->m_x11_XGetKeyboardMapping
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#define MyXSetErrorHandler m_data->m_x11_XSetErrorHandler
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#define MyXOpenDisplay m_data->m_x11_XOpenDisplay
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#define MyXCreateColormap m_data->m_x11_XCreateColormap
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#define MyXCreateWindow m_data->m_x11_XCreateWindow
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#define MyXMapWindow m_data->m_x11_XMapWindow
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#define MyXStoreName m_data->m_x11_XStoreName
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#define MyXDestroyWindow m_data->m_x11_XDestroyWindow
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#define MyXRaiseWindow m_data->m_x11_XRaiseWindow
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#define MyXCloseDisplay m_data->m_x11_XCloseDisplay
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#define MyXKeycodeToKeysym m_data->m_x11_XKeycodeToKeysym
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#define MyXConvertCase m_data->m_x11_XConvertCase
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#define MyXPending m_data->m_x11_XPending
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#define MyXNextEvent m_data->m_x11_XNextEvent
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#define MyXEventsQueued m_data->m_x11_XEventsQueued
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#define MyXPeekEvent m_data->m_x11_XPeekEvent
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#define MyXNextEvent m_data->m_x11_XNextEvent
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#define MyXGetWindowAttributes m_data->m_x11_XGetWindowAttributes
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#define MyXStoreName m_data->m_x11_XStoreName
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#define MyXFree m_data->m_x11_XFree
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#define MyXMapWindow m_data->m_x11_XMapWindow
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#define MyXStoreName m_data->m_x11_XStoreName
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#define MyXLookupKeysym m_data->m_x11_XLookupKeysym
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#else
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#define MyXSync XSync
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#define MyXGetKeyboardMapping XGetKeyboardMapping
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#define MyXSetErrorHandler XSetErrorHandler
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#define MyXOpenDisplay XOpenDisplay
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#define MyXCreateColormap XCreateColormap
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#define MyXCreateWindow XCreateWindow
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#define MyXMapWindow XMapWindow
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#define MyXStoreName XStoreName
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#define MyXDestroyWindow XDestroyWindow
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#define MyXRaiseWindow XRaiseWindow
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#define MyXCloseDisplay XCloseDisplay
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#define MyXKeycodeToKeysym XKeycodeToKeysym
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#define MyXConvertCase XConvertCase
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#define MyXPending XPending
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#define MyXNextEvent XNextEvent
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#define MyXEventsQueued XEventsQueued
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#define MyXPeekEvent XPeekEvent
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#define MyXNextEvent XNextEvent
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#define MyXGetWindowAttributes XGetWindowAttributes
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#define MyXStoreName XStoreName
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#define MyXFree XFree
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#define MyXMapWindow XMapWindow
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#define MyXStoreName XStoreName
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#define MyXLookupKeysym XLookupKeysym
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#endif//DYNAMIC_LOAD_X11_FUNCTIONS
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enum
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{
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MY_X11_ALT_KEY = 1,
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MY_X11_SHIFT_KEY = 2,
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MY_X11_CONTROL_KEY = 4
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};
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struct InternalData2
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{
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Display* m_dpy;
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Window m_root;
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XVisualInfo* m_vi;
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Colormap m_cmap;
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XSetWindowAttributes m_swa;
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Window m_win;
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GLXContext m_glc;
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XWindowAttributes m_gwa;
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XEvent m_xev;
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GLXFBConfig m_bestFbc;
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int m_modifierFlags;
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int m_glWidth;
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int m_glHeight;
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#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
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//dynamically load stuff
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void* m_x11_library;
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PFNXFREE m_x11_XFree;
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PFNXSETERRORHANDLER m_x11_XSetErrorHandler;
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PFNXSYNC m_x11_XSync;
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PFNXOPENDISPLAY m_x11_XOpenDisplay;
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PFNXCREATECOLORMAP m_x11_XCreateColormap;
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PFNXCREATEWINDOW m_x11_XCreateWindow;
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PFNXMAPWINDOW m_x11_XMapWindow;
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PFNXSTORENAME m_x11_XStoreName;
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PFNXCLOSEDISPLAY m_x11_XCloseDisplay;
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PFNXDESTROYWINDOW m_x11_XDestroyWindow;
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PFNXRAISEWINDOW m_x11_XRaiseWindow;
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PFNXKEYCODETOKEYSYM m_x11_XKeycodeToKeysym;
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PFNXGETKEYBOARDMAPPING m_x11_XGetKeyboardMapping;
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PFNXCONVERTCASE m_x11_XConvertCase;
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PFNXPENDING m_x11_XPending;
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PFNXNEXTEVENT m_x11_XNextEvent;
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PFNXEVENTSQUEUED m_x11_XEventsQueued;
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PFNXPEEKEVENT m_x11_XPeekEvent;
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PFNXLOOKUPKEYSYM m_x11_XLookupKeysym;
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PFNXGETWINDOWATTRIBUTES m_x11_XGetWindowAttributes;
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#endif //DYNAMIC_LOAD_X11_FUNCTIONS
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b3WheelCallback m_wheelCallback;
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b3MouseMoveCallback m_mouseMoveCallback;
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b3MouseButtonCallback m_mouseButtonCallback;
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b3ResizeCallback m_resizeCallback;
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b3KeyboardCallback m_keyboardCallback;
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InternalData2()
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:m_dpy(0),
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m_vi(0),
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m_modifierFlags(0),
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m_glWidth(-1),
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m_glHeight(-1),
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m_wheelCallback(0),
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m_mouseMoveCallback(0),
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m_mouseButtonCallback(0),
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m_resizeCallback(0),
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m_keyboardCallback(0)
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{
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#ifdef DYNAMIC_LOAD_X11_FUNCTIONS
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m_x11_library = dlopen(X11_LIBRARY, RTLD_LOCAL | RTLD_NOW);
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if (!m_x11_library)
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{
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printf("Error opening X11 library %s\n", X11_LIBRARY);
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exit(0);
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}
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bool missingFunc = false;
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missingFunc = ((m_x11_XFree = (PFNXFREE) dlsym(m_x11_library, "XFree"))==NULL) | missingFunc;
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assert(!missingFunc);
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if (missingFunc) { printf("Error: missing func XFree in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XSetErrorHandler = (PFNXSETERRORHANDLER) dlsym(m_x11_library,"XSetErrorHandler"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XSetErrorHandler in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XSetErrorHandler = (PFNXSETERRORHANDLER) dlsym(m_x11_library,"XSetErrorHandler"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XSetErrorHandler in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XSync = (PFNXSYNC) dlsym(m_x11_library,"XSync"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XSync in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XOpenDisplay = (PFNXOPENDISPLAY) dlsym(m_x11_library,"XOpenDisplay"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XOpenDisplay in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XCreateColormap = (PFNXCREATECOLORMAP) dlsym(m_x11_library,"XCreateColormap"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XCreateColormap in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XCreateWindow = (PFNXCREATEWINDOW) dlsym(m_x11_library,"XCreateWindow"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XCreateWindow in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XMapWindow = (PFNXMAPWINDOW) dlsym(m_x11_library,"XMapWindow"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XMapWindow in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XStoreName = (PFNXSTORENAME) dlsym(m_x11_library,"XStoreName"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XStoreName in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XCloseDisplay = (PFNXCLOSEDISPLAY) dlsym(m_x11_library,"XCloseDisplay"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XCloseDisplay in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XDestroyWindow = (PFNXDESTROYWINDOW) dlsym(m_x11_library,"XDestroyWindow"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XDestroyWindow in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XRaiseWindow = (PFNXRAISEWINDOW) dlsym(m_x11_library,"XRaiseWindow"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XRaiseWindow in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XGetKeyboardMapping = (PFNXGETKEYBOARDMAPPING) dlsym(m_x11_library,"XGetKeyboardMapping"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XGetKeyboardMapping in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XKeycodeToKeysym = (PFNXKEYCODETOKEYSYM) dlsym(m_x11_library,"XKeycodeToKeysym"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XKeycodeToKeysym in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XConvertCase = (PFNXCONVERTCASE) dlsym(m_x11_library,"XConvertCase"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XConvertCase in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XPending = (PFNXPENDING) dlsym(m_x11_library,"XPending"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XPending in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XNextEvent = (PFNXNEXTEVENT) dlsym(m_x11_library,"XNextEvent"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XNextEvent in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XEventsQueued = (PFNXEVENTSQUEUED) dlsym(m_x11_library,"XEventsQueued"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XEventsQueued in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XPeekEvent = (PFNXPEEKEVENT) dlsym(m_x11_library,"XPeekEvent"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XPeekEvent in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XLookupKeysym = (PFNXLOOKUPKEYSYM) dlsym(m_x11_library,"XLookupKeysym"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XLookupKeysym in %s, exiting!\n", X11_LIBRARY); exit(0);}
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missingFunc = ((m_x11_XGetWindowAttributes = (PFNXGETWINDOWATTRIBUTES) dlsym(m_x11_library,"XGetWindowAttributes"))==NULL) | missingFunc;
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if (missingFunc) { printf("Error: missing func XGetWindowAttributes in %s, exiting!\n", X11_LIBRARY); exit(0);}
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if (missingFunc)
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{
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printf("Error: a missing func in %s, exiting!\n", X11_LIBRARY);
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exit(0);
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} else
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{
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printf("X11 functions dynamically loaded using dlopen/dlsym OK!\n");
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}
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#endif //DYNAMIC_LOAD_X11_FUNCTIONS
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}
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};
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#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
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#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
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typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
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// Helper to check for extension string presence. Adapted from:
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// http://www.opengl.org/resources/features/OGLextensions/
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static bool isExtensionSupported(const char *extList, const char *extension)
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{
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const char *start;
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const char *where, *terminator;
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/* Extension names should not have spaces. */
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where = strchr(extension, ' ');
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if (where || *extension == '\0')
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return false;
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/* It takes a bit of care to be fool-proof about parsing the
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OpenGL extensions string. Don't be fooled by sub-strings,
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etc. */
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for (start=extList;;) {
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where = strstr(start, extension);
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if (!where)
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break;
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terminator = where + strlen(extension);
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if ( where == start || *(where - 1) == ' ' )
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if ( *terminator == ' ' || *terminator == '\0' )
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return true;
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start = terminator;
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}
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return false;
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}
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static bool ctxErrorOccurred = false;
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static int ctxErrorHandler( Display *dpy, XErrorEvent *ev )
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{
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ctxErrorOccurred = true;
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return 0;
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}
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X11OpenGLWindow::X11OpenGLWindow()
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:m_OpenGLInitialized(false),
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m_requestedExit(false)
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{
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m_data = new InternalData2;
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}
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X11OpenGLWindow::~X11OpenGLWindow()
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{
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if (m_OpenGLInitialized)
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{
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disableOpenGL();
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}
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delete m_data;
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}
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void X11OpenGLWindow::enableOpenGL()
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{
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if (forceOpenGL3)
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{
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// Get the default screen's GLX extension list
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const char *glxExts = glXQueryExtensionsString( m_data->m_dpy,
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DefaultScreen( m_data->m_dpy ) );
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// NOTE: It is not necessary to create or make current to a context before
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// calling glXGetProcAddressARB, unless we dynamically load OpenGL/GLX/X11
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glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0;
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glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)
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glXGetProcAddressARB( (const GLubyte *) "glXCreateContextAttribsARB" );
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GLXContext ctx = 0;
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// Install an X error handler so the application won't exit if GL 3.0
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// context allocation fails.
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//
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// Note this error handler is global. All display connections in all threads
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// of a process use the same error handler, so be sure to guard against other
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// threads issuing X commands while this code is running.
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ctxErrorOccurred = false;
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int (*oldHandler)(Display*, XErrorEvent*) =
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MyXSetErrorHandler(&ctxErrorHandler);
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// Check for the GLX_ARB_create_context extension string and the function.
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// If either is not present, use GLX 1.3 context creation method.
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if ( !isExtensionSupported( glxExts, "GLX_ARB_create_context" ) ||
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!glXCreateContextAttribsARB )
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{
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printf( "glXCreateContextAttribsARB() not found"
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" ... using old-style GLX context\n" );
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ctx = glXCreateNewContext( m_data->m_dpy, m_data->m_bestFbc, GLX_RGBA_TYPE, 0, True );
|
|
}
|
|
|
|
// If it does, try to get a GL 3.0 context!
|
|
else
|
|
{
|
|
int context_attribs[] = {
|
|
GLX_CONTEXT_MAJOR_VERSION_ARB ,3,
|
|
GLX_CONTEXT_MINOR_VERSION_ARB, 2,
|
|
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB,
|
|
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,None
|
|
};
|
|
/*
|
|
int context_attribs[] =
|
|
{
|
|
GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
|
|
GLX_CONTEXT_MINOR_VERSION_ARB, 2,
|
|
|
|
//GLX_CONTEXT_FLAGS_ARB , GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
|
|
None
|
|
};
|
|
*/
|
|
printf( "Creating context\n" );
|
|
ctx = glXCreateContextAttribsARB( m_data->m_dpy, m_data->m_bestFbc, 0,
|
|
True, context_attribs );
|
|
|
|
// Sync to ensure any errors generated are processed.
|
|
MyXSync( m_data->m_dpy, False );
|
|
if ( !ctxErrorOccurred && ctx )
|
|
printf( "Created GL 3.0 context\n" );
|
|
else
|
|
{
|
|
// Couldn't create GL 3.0 context. Fall back to old-style 2.x context.
|
|
// When a context version below 3.0 is requested, implementations will
|
|
// return the newest context version compatible with OpenGL versions less
|
|
// than version 3.0.
|
|
// GLX_CONTEXT_MAJOR_VERSION_ARB = 1
|
|
context_attribs[1] = 1;
|
|
// GLX_CONTEXT_MINOR_VERSION_ARB = 0
|
|
context_attribs[3] = 0;
|
|
|
|
ctxErrorOccurred = false;
|
|
|
|
printf( "Failed to create GL 3.0 context"
|
|
" ... using old-style GLX context\n" );
|
|
ctx = glXCreateContextAttribsARB( m_data->m_dpy, m_data->m_bestFbc, 0,
|
|
True, context_attribs );
|
|
}
|
|
}
|
|
|
|
// Sync to ensure any errors generated are processed.
|
|
MyXSync( m_data->m_dpy, False );
|
|
|
|
// Restore the original error handler
|
|
MyXSetErrorHandler( oldHandler );
|
|
|
|
if ( ctxErrorOccurred || !ctx )
|
|
{
|
|
printf( "Failed to create an OpenGL context\n" );
|
|
exit(1);
|
|
}
|
|
|
|
// Verifying that context is a direct context
|
|
if ( ! glXIsDirect ( m_data->m_dpy, ctx ) )
|
|
{
|
|
printf( "Indirect GLX rendering context obtained\n" );
|
|
}
|
|
else
|
|
{
|
|
printf( "Direct GLX rendering context obtained\n" );
|
|
}
|
|
|
|
printf( "Making context current\n" );
|
|
glXMakeCurrent( m_data->m_dpy, m_data->m_win, ctx );
|
|
m_data->m_glc = ctx;
|
|
|
|
} else
|
|
{
|
|
m_data->m_glc = glXCreateContext(m_data->m_dpy, m_data->m_vi, NULL, GL_TRUE);
|
|
glXMakeCurrent(m_data->m_dpy, m_data->m_win, m_data->m_glc);
|
|
}
|
|
|
|
#ifdef GLEW_INIT_OPENGL11_FUNCTIONS
|
|
{
|
|
GLboolean res = glewOpenGL11Init();
|
|
if (res==0)
|
|
{
|
|
printf("glewOpenGL11Init OK!\n");
|
|
} else
|
|
{
|
|
printf("ERROR: glewOpenGL11Init failed, exiting!\n");
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
#endif //GLEW_INIT_OPENGL11_FUNCTIONS
|
|
|
|
const GLubyte* ven = glGetString(GL_VENDOR);
|
|
printf("GL_VENDOR=%s\n", ven);
|
|
|
|
const GLubyte* ren = glGetString(GL_RENDERER);
|
|
printf("GL_RENDERER=%s\n",ren);
|
|
const GLubyte* ver = glGetString(GL_VERSION);
|
|
printf("GL_VERSION=%s\n", ver);
|
|
const GLubyte* sl = glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
printf("GL_SHADING_LANGUAGE_VERSION=%s\n", sl);
|
|
|
|
//Access pthreads as a workaround for a bug in Linux/Ubuntu
|
|
//See https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-319/+bug/1248642
|
|
|
|
int i=pthread_getconcurrency();
|
|
printf("pthread_getconcurrency()=%d\n",i);
|
|
|
|
// const GLubyte* ext = glGetString(GL_EXTENSIONS);
|
|
// printf("GL_EXTENSIONS=%s\n", ext);
|
|
}
|
|
|
|
void X11OpenGLWindow::disableOpenGL()
|
|
{
|
|
glXMakeCurrent(m_data->m_dpy, None, NULL);
|
|
glXDestroyContext(m_data->m_dpy, m_data->m_glc);
|
|
}
|
|
|
|
|
|
void X11OpenGLWindow::createWindow(const b3gWindowConstructionInfo& ci)
|
|
{
|
|
|
|
m_data->m_dpy = MyXOpenDisplay(NULL);
|
|
|
|
if(m_data->m_dpy == NULL) {
|
|
printf("\n\tcannot connect to X server\n\n");
|
|
exit(0);
|
|
}
|
|
|
|
m_data->m_root = DefaultRootWindow(m_data->m_dpy);
|
|
|
|
|
|
#ifdef GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
|
|
GLboolean res = glewXInit();
|
|
if (res==0)
|
|
{
|
|
printf("glewXInit OK\n");
|
|
} else
|
|
{
|
|
printf("glewXInit failed, exit\n");
|
|
exit(0);
|
|
}
|
|
#endif //GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS
|
|
|
|
|
|
if (ci.m_openglVersion < 3)
|
|
{
|
|
forceOpenGL3 = false;
|
|
}
|
|
|
|
if (forceOpenGL3)
|
|
{
|
|
int glxMinor, glxMajor;
|
|
if (!glXQueryVersion(m_data->m_dpy,&glxMajor,&glxMinor) || (((glxMajor==1)&&(glxMinor<3)) || (glxMajor<1)))
|
|
{
|
|
printf("Invalid GLX version: major %d, minor %d\n",glxMajor,glxMinor);
|
|
exit(0);
|
|
}
|
|
|
|
static int visual_attribs[] =
|
|
{
|
|
GLX_X_RENDERABLE , True,
|
|
GLX_DRAWABLE_TYPE , GLX_WINDOW_BIT,
|
|
GLX_RENDER_TYPE , GLX_RGBA_BIT,
|
|
GLX_X_VISUAL_TYPE , GLX_TRUE_COLOR,
|
|
GLX_RED_SIZE , 8,
|
|
GLX_GREEN_SIZE , 8,
|
|
GLX_BLUE_SIZE , 8,
|
|
GLX_ALPHA_SIZE , 8,
|
|
GLX_DEPTH_SIZE , 24,
|
|
GLX_STENCIL_SIZE , 8,
|
|
GLX_DOUBLEBUFFER , True,
|
|
None
|
|
};
|
|
int fbcount;
|
|
GLXFBConfig* fbc = glXChooseFBConfig(m_data->m_dpy, DefaultScreen(m_data->m_dpy), visual_attribs, &fbcount);
|
|
if (!fbc)
|
|
{
|
|
printf( "Failed to retrieve a framebuffer config\n" );
|
|
exit(1);
|
|
}
|
|
///don't use highest samples, it is really slow on some NVIDIA Quadro cards
|
|
#ifdef USE_HIGHEST_SAMPLES
|
|
int best_fbc = -1, worst_fbc = -1, best_num_samp = -1, worst_num_samp = 999;
|
|
|
|
int i;
|
|
for (i=0; i<fbcount; ++i)
|
|
{
|
|
XVisualInfo *vi = glXGetVisualFromFBConfig( m_data->m_dpy, fbc[i] );
|
|
if ( vi )
|
|
{
|
|
int samp_buf, samples;
|
|
glXGetFBConfigAttrib( m_data->m_dpy, fbc[i], GLX_SAMPLE_BUFFERS, &samp_buf );
|
|
glXGetFBConfigAttrib( m_data->m_dpy, fbc[i], GLX_SAMPLES , &samples );
|
|
|
|
//printf( " Matching fbconfig %d, visual ID 0x%2x: SAMPLE_BUFFERS = %d,"
|
|
// " SAMPLES = %d\n",
|
|
// i, vi -> visualid, samp_buf, samples );
|
|
|
|
if ( best_fbc < 0 || (samp_buf && (samples > best_num_samp)) )
|
|
best_fbc = i, best_num_samp = samples;
|
|
if ( worst_fbc < 0 || (!samp_buf || (samples < worst_num_samp)) )
|
|
worst_fbc = i, worst_num_samp = samples;
|
|
}
|
|
MyXFree( vi );
|
|
}
|
|
|
|
m_data->m_bestFbc = fbc[ best_fbc ];
|
|
#else
|
|
m_data->m_bestFbc = *fbc;
|
|
#endif
|
|
// Be sure to free the FBConfig list allocated by glXChooseFBConfig()
|
|
MyXFree( fbc );
|
|
|
|
m_data->m_vi = glXGetVisualFromFBConfig( m_data->m_dpy, m_data->m_bestFbc );
|
|
|
|
|
|
m_data->m_swa.colormap = m_data->m_cmap = MyXCreateColormap( m_data->m_dpy,
|
|
RootWindow( m_data->m_dpy, m_data->m_vi->screen ),
|
|
m_data->m_vi->visual, AllocNone );
|
|
m_data->m_swa.background_pixmap = None ;
|
|
m_data->m_swa.border_pixel = 0;
|
|
m_data->m_swa.event_mask = ExposureMask | KeyReleaseMask | KeyPressMask |ButtonPressMask | ButtonReleaseMask |PointerMotionMask|StructureNotifyMask;
|
|
;
|
|
m_data->m_root = RootWindow( m_data->m_dpy, m_data->m_vi->screen );
|
|
|
|
m_data->m_win = MyXCreateWindow( m_data->m_dpy, m_data->m_root,
|
|
0, 0, ci.m_width, ci.m_height, 0, m_data->m_vi->depth, InputOutput,
|
|
m_data->m_vi->visual,
|
|
CWBorderPixel|CWColormap|CWEventMask, &m_data->m_swa );
|
|
|
|
//m_data->m_win = m_data->m_x11_XCreateWindow(m_data->m_dpy, m_data->m_root, 0, 0, ci.m_width, ci.m_height, 0, m_data->m_vi->depth, InputOutput, m_data->m_vi->visual, CWColormap | CWEventMask, &m_data->m_swa);
|
|
|
|
|
|
if (!m_data->m_win)
|
|
{
|
|
printf("Cannot create window\n");
|
|
exit(0);
|
|
}
|
|
|
|
MyXMapWindow(m_data->m_dpy, m_data->m_win);
|
|
MyXStoreName(m_data->m_dpy, m_data->m_win, "OpenGL3 Window");
|
|
|
|
|
|
} else
|
|
{
|
|
m_data->m_vi = glXChooseVisual(m_data->m_dpy, 0, att);
|
|
|
|
printf("4\n");
|
|
|
|
if(m_data->m_vi == NULL) {
|
|
printf("\n\tno appropriate visual found\n\n");
|
|
exit(0);
|
|
}
|
|
else {
|
|
printf("\n\tvisual %p selected\n", (void *)m_data->m_vi->visualid); /* %p creates hexadecimal output like in glxinfo */
|
|
}
|
|
|
|
|
|
m_data->m_cmap = MyXCreateColormap(m_data->m_dpy, m_data->m_root, m_data->m_vi->visual, AllocNone);
|
|
m_data->m_swa.colormap = m_data->m_cmap;
|
|
m_data->m_swa.event_mask = ExposureMask | KeyReleaseMask | KeyPressMask |ButtonPressMask | ButtonReleaseMask |PointerMotionMask|StructureNotifyMask;
|
|
m_data->m_win = MyXCreateWindow(m_data->m_dpy, m_data->m_root, 0, 0, ci.m_width, ci.m_height, 0, m_data->m_vi->depth, InputOutput, m_data->m_vi->visual, CWColormap | CWEventMask, &m_data->m_swa);
|
|
|
|
MyXMapWindow(m_data->m_dpy, m_data->m_win);
|
|
|
|
MyXStoreName(m_data->m_dpy, m_data->m_win, "OpenGL2 Window");
|
|
|
|
|
|
}
|
|
|
|
enableOpenGL();
|
|
}
|
|
|
|
void X11OpenGLWindow::closeWindow()
|
|
{
|
|
disableOpenGL();
|
|
|
|
MyXDestroyWindow(m_data->m_dpy, m_data->m_win);
|
|
MyXCloseDisplay(m_data->m_dpy);
|
|
}
|
|
|
|
int X11OpenGLWindow::getAsciiCodeFromVirtualKeycode(int keycode)
|
|
{
|
|
int result = 0;
|
|
|
|
KeySym key, key_lc, key_uc;
|
|
|
|
int keysyms_per_keycode_return;
|
|
KeySym *keysym = MyXGetKeyboardMapping(m_data->m_dpy,
|
|
keycode,
|
|
1,
|
|
&keysyms_per_keycode_return);
|
|
|
|
key = keysym[0];
|
|
|
|
|
|
//key = MyXKeycodeToKeysym( m_data->m_dpy, keycode, 0 );
|
|
|
|
switch( key )
|
|
{
|
|
case XK_Escape: return B3G_ESCAPE;
|
|
case XK_Return: return B3G_RETURN;
|
|
|
|
case XK_Control_L:
|
|
case XK_Control_R: {
|
|
return B3G_CONTROL;
|
|
}
|
|
case XK_Left: return B3G_LEFT_ARROW;
|
|
case XK_Right: return B3G_RIGHT_ARROW;
|
|
case XK_Up: return B3G_UP_ARROW;
|
|
case XK_Down: return B3G_DOWN_ARROW;
|
|
|
|
case XK_Alt_L:
|
|
case XK_Alt_R:
|
|
{
|
|
return B3G_ALT;
|
|
}
|
|
case XK_Shift_L:
|
|
case XK_Shift_R: return B3G_SHIFT;
|
|
case XK_F1: return B3G_F1;
|
|
case XK_F2: return B3G_F2;
|
|
case XK_F3: return B3G_F3;
|
|
case XK_F4: return B3G_F4;
|
|
case XK_F5: return B3G_F5;
|
|
case XK_F6: return B3G_F6;
|
|
case XK_F7: return B3G_F7;
|
|
case XK_F8: return B3G_F8;
|
|
case XK_F9: return B3G_F9;
|
|
case XK_F10: return B3G_F10;
|
|
case XK_F11: return B3G_F11;
|
|
case XK_F12: return B3G_F12;
|
|
case XK_F13: return B3G_F13;
|
|
case XK_F14: return B3G_F14;
|
|
case XK_F15: return B3G_F15;
|
|
default:
|
|
// Make lowercase
|
|
MyXConvertCase( key, &key_lc, &key_uc );
|
|
key = key_lc;
|
|
// Valid ISO 8859-1 character?
|
|
if( (key >= 32 && key <= 126) ||(key >= 160 && key <= 255) )
|
|
{
|
|
return (int) key;
|
|
}
|
|
result = -1;
|
|
}
|
|
|
|
MyXFree(keysym);
|
|
|
|
return result;
|
|
}
|
|
|
|
bool X11OpenGLWindow::isModifierKeyPressed(int key)
|
|
{
|
|
bool isPressed = false;
|
|
|
|
switch (key)
|
|
{
|
|
case B3G_ALT:
|
|
{
|
|
isPressed = ((m_data->m_modifierFlags & MY_X11_ALT_KEY)!=0);
|
|
break;
|
|
};
|
|
case B3G_SHIFT:
|
|
{
|
|
isPressed = ((m_data->m_modifierFlags & MY_X11_SHIFT_KEY)!=0);
|
|
break;
|
|
};
|
|
case B3G_CONTROL:
|
|
{
|
|
isPressed = ((m_data->m_modifierFlags & MY_X11_CONTROL_KEY )!=0);
|
|
break;
|
|
};
|
|
|
|
default:
|
|
{
|
|
}
|
|
};
|
|
return isPressed;
|
|
}
|
|
|
|
void X11OpenGLWindow::pumpMessage()
|
|
{
|
|
|
|
int buttonState = 1;
|
|
|
|
// Process all pending events
|
|
while( MyXPending( m_data->m_dpy ) )
|
|
{
|
|
MyXNextEvent(m_data->m_dpy, &m_data->m_xev);
|
|
// printf("#");
|
|
// fflush(stdout);
|
|
switch( m_data->m_xev.type )
|
|
{
|
|
case KeyPress:
|
|
{
|
|
int keycode = getAsciiCodeFromVirtualKeycode(m_data->m_xev.xkey.keycode);
|
|
switch (keycode)
|
|
{
|
|
case B3G_ALT:
|
|
m_data->m_modifierFlags |= MY_X11_ALT_KEY;
|
|
break;
|
|
case B3G_SHIFT:
|
|
m_data->m_modifierFlags |= MY_X11_SHIFT_KEY;
|
|
break;
|
|
case B3G_CONTROL:
|
|
m_data->m_modifierFlags |= MY_X11_CONTROL_KEY;
|
|
break;
|
|
default:
|
|
{}
|
|
};
|
|
if (m_data->m_keyboardCallback)
|
|
{
|
|
|
|
int state = 1;
|
|
(*m_data->m_keyboardCallback)(keycode,state);
|
|
// printf("keycode %d",keycode);
|
|
// fflush(stdout);
|
|
|
|
}
|
|
break;
|
|
}
|
|
|
|
case KeyRelease:
|
|
{
|
|
// fflush(stdout);
|
|
int keycode = getAsciiCodeFromVirtualKeycode( m_data->m_xev.xkey.keycode);
|
|
switch (keycode)
|
|
{
|
|
case B3G_ALT:
|
|
m_data->m_modifierFlags &= ~MY_X11_ALT_KEY;
|
|
break;
|
|
case B3G_SHIFT:
|
|
m_data->m_modifierFlags &= ~MY_X11_SHIFT_KEY;
|
|
break;
|
|
case B3G_CONTROL:
|
|
m_data->m_modifierFlags &= ~MY_X11_CONTROL_KEY;
|
|
break;
|
|
default:
|
|
{}
|
|
};
|
|
|
|
if (m_data->m_keyboardCallback)
|
|
{
|
|
#if 0
|
|
unsigned short is_retriggered = 0;
|
|
///filter out keyboard repeat
|
|
//see http://stackoverflow.com/questions/2100654/ignore-auto-repeat-in-x11-applications
|
|
if (MyXEventsQueued(m_data->m_dpy, QueuedAfterReading))
|
|
{
|
|
XEvent nev;
|
|
MyXPeekEvent(m_data->m_dpy, &nev);
|
|
|
|
if (nev.type == KeyPress && nev.xkey.time == m_data->m_xev.xkey.time &&
|
|
nev.xkey.keycode == m_data->m_xev.xkey.keycode)
|
|
{
|
|
fprintf (stdout, "key #%ld was retriggered.\n",
|
|
(long) MyXLookupKeysym(&nev.xkey, 0));
|
|
|
|
// delete retriggered KeyPress event
|
|
MyXNextEvent(m_data->m_dpy, & m_data->m_xev);
|
|
is_retriggered = 1;
|
|
}
|
|
}
|
|
#endif
|
|
int state = 0;
|
|
(*m_data->m_keyboardCallback)(keycode,state);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case ButtonRelease:
|
|
buttonState = 0;
|
|
//continue with ButtonPress code
|
|
case ButtonPress:
|
|
{
|
|
// printf("!");
|
|
// fflush(stdout);
|
|
|
|
int button=-1;
|
|
|
|
switch (m_data->m_xev.xbutton.button)
|
|
{
|
|
case Button1:
|
|
{
|
|
button=0;
|
|
break;
|
|
}
|
|
case Button2:
|
|
{
|
|
button=1;
|
|
break;
|
|
}
|
|
case Button3:
|
|
{
|
|
button=2;
|
|
break;
|
|
}
|
|
case Button4:
|
|
{
|
|
if (m_data->m_wheelCallback)
|
|
{
|
|
(*m_data->m_wheelCallback)(0,10);
|
|
}
|
|
break;
|
|
}
|
|
case Button5:
|
|
{
|
|
if (m_data->m_wheelCallback)
|
|
{
|
|
(*m_data->m_wheelCallback)(0,-10);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
int xpos = m_data->m_xev.xmotion.x;
|
|
int ypos = m_data->m_xev.xmotion.y;
|
|
|
|
if (button>=0 && m_data->m_mouseButtonCallback)
|
|
{
|
|
// printf("xpos = %d, ypos = %d\n",xpos,ypos);
|
|
|
|
(*m_data->m_mouseButtonCallback)(button,buttonState,xpos,ypos);
|
|
}
|
|
break;
|
|
}
|
|
case MotionNotify:
|
|
{
|
|
// printf("!");
|
|
// fflush(0);
|
|
if (m_data->m_mouseMoveCallback)
|
|
{
|
|
int xpos = m_data->m_xev.xmotion.x;
|
|
int ypos = m_data->m_xev.xmotion.y;
|
|
(*m_data->m_mouseMoveCallback)(xpos,ypos);
|
|
}
|
|
break;
|
|
}
|
|
case ConfigureNotify:
|
|
{
|
|
// printf("@");
|
|
// fflush(0);
|
|
m_data->m_glWidth = m_data->m_xev.xconfigure.width;
|
|
m_data->m_glHeight = m_data->m_xev.xconfigure.height;
|
|
|
|
if (m_data->m_resizeCallback)
|
|
{
|
|
(*m_data->m_resizeCallback)(m_data->m_xev.xconfigure.width,m_data->m_xev.xconfigure.height);
|
|
}
|
|
break;
|
|
}
|
|
case ClientMessage:
|
|
{
|
|
// printf("?");
|
|
// fflush(stdout);
|
|
break;
|
|
}
|
|
case Expose:
|
|
{
|
|
break;
|
|
}
|
|
case DestroyNotify:
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
//XRRUpdateConfiguration( &event );
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void X11OpenGLWindow::startRendering()
|
|
{
|
|
pumpMessage();
|
|
|
|
MyXGetWindowAttributes(m_data->m_dpy, m_data->m_win, &m_data->m_gwa);
|
|
glViewport(0, 0, m_data->m_gwa.width, m_data->m_gwa.height);
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); //clear buffers
|
|
|
|
//glCullFace(GL_BACK);
|
|
//glFrontFace(GL_CCW);
|
|
glEnable(GL_DEPTH_TEST);
|
|
}
|
|
|
|
void X11OpenGLWindow::renderAllObjects()
|
|
{
|
|
|
|
}
|
|
|
|
void X11OpenGLWindow::endRendering()
|
|
{
|
|
glXSwapBuffers(m_data->m_dpy, m_data->m_win);
|
|
}
|
|
|
|
void X11OpenGLWindow::runMainLoop()
|
|
{
|
|
|
|
}
|
|
|
|
float X11OpenGLWindow::getTimeInSeconds()
|
|
{
|
|
return 0.f;
|
|
}
|
|
|
|
bool X11OpenGLWindow::requestedExit() const
|
|
{
|
|
return m_requestedExit;
|
|
}
|
|
|
|
void X11OpenGLWindow::setRequestExit()
|
|
{
|
|
m_requestedExit=true;
|
|
}
|
|
|
|
void X11OpenGLWindow::setRenderCallback( b3RenderCallback renderCallback)
|
|
{
|
|
|
|
}
|
|
|
|
void X11OpenGLWindow::setWindowTitle(const char* title)
|
|
{
|
|
MyXStoreName(m_data->m_dpy, m_data->m_win, title);
|
|
}
|
|
|
|
|
|
void X11OpenGLWindow::setWheelCallback(b3WheelCallback wheelCallback)
|
|
{
|
|
m_data->m_wheelCallback = wheelCallback;
|
|
}
|
|
|
|
void X11OpenGLWindow::setMouseMoveCallback(b3MouseMoveCallback mouseCallback)
|
|
{
|
|
m_data->m_mouseMoveCallback = mouseCallback;
|
|
}
|
|
|
|
void X11OpenGLWindow::setMouseButtonCallback(b3MouseButtonCallback mouseCallback)
|
|
{
|
|
m_data->m_mouseButtonCallback = mouseCallback;
|
|
}
|
|
|
|
void X11OpenGLWindow::setResizeCallback(b3ResizeCallback resizeCallback)
|
|
{
|
|
if (resizeCallback && m_data->m_glWidth>0 && m_data->m_glHeight > 0)
|
|
{
|
|
resizeCallback(m_data->m_glWidth, m_data->m_glHeight);
|
|
}
|
|
m_data->m_resizeCallback = resizeCallback;
|
|
}
|
|
|
|
void X11OpenGLWindow::setKeyboardCallback( b3KeyboardCallback keyboardCallback)
|
|
{
|
|
m_data->m_keyboardCallback = keyboardCallback;
|
|
|
|
}
|
|
|
|
b3MouseMoveCallback X11OpenGLWindow::getMouseMoveCallback()
|
|
{
|
|
return m_data->m_mouseMoveCallback;
|
|
}
|
|
b3MouseButtonCallback X11OpenGLWindow::getMouseButtonCallback()
|
|
{
|
|
return m_data->m_mouseButtonCallback;
|
|
}
|
|
b3ResizeCallback X11OpenGLWindow::getResizeCallback()
|
|
{
|
|
return m_data->m_resizeCallback;
|
|
}
|
|
b3WheelCallback X11OpenGLWindow::getWheelCallback()
|
|
{
|
|
return m_data->m_wheelCallback;
|
|
}
|
|
|
|
|
|
b3KeyboardCallback X11OpenGLWindow::getKeyboardCallback()
|
|
{
|
|
return m_data->m_keyboardCallback;
|
|
}
|
|
|
|
int X11OpenGLWindow::getWidth() const
|
|
{
|
|
if (m_data)
|
|
return m_data->m_glWidth;
|
|
return 0;
|
|
}
|
|
int X11OpenGLWindow::getHeight() const
|
|
{
|
|
if (m_data)
|
|
return m_data->m_glHeight;
|
|
return 0;
|
|
}
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
int X11OpenGLWindow::fileOpenDialog(char* filename, int maxNameLength)
|
|
{
|
|
int len = 0;
|
|
FILE * output = popen("zenity --file-selection --file-filter=\"*.urdf\" --file-filter=\"*.sdf\" --file-filter=\"*.obj\" --file-filter=\"*.*\"","r");
|
|
if (output)
|
|
{
|
|
while( fgets(filename, maxNameLength-1, output) != NULL )
|
|
{
|
|
len=strlen(filename);
|
|
if (len>0)
|
|
{
|
|
filename[len-1]=0;
|
|
printf("file open (length=%d) = %s\n", len,filename);
|
|
}
|
|
}
|
|
pclose(output);
|
|
} else
|
|
{
|
|
printf("Error: fileOpenDialog no popen output, perhaps install zenity?\n");
|
|
}
|
|
MyXRaiseWindow(m_data->m_dpy, m_data->m_win);
|
|
return len;
|
|
|
|
}
|