From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- .../windows/fltk-1.1.10/src/glut_compatability.cxx | 504 +++++++++++++++++++++ 1 file changed, 504 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/glut_compatability.cxx (limited to 'third_party/windows/fltk-1.1.10/src/glut_compatability.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/glut_compatability.cxx b/third_party/windows/fltk-1.1.10/src/glut_compatability.cxx new file mode 100644 index 0000000..0b52b14 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/glut_compatability.cxx @@ -0,0 +1,504 @@ +// +// "$Id: glut_compatability.cxx 5845 2007-05-20 00:01:06Z mike $" +// +// GLUT emulation routines for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2007 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems on the following page: +// +// http://www.fltk.org/str.php +// + +// Emulation of Glut using fltk. + +// GLUT is Copyright (c) Mark J. Kilgard, 1994, 1995, 1996. +// "This program is freely distributable without licensing fees and is +// provided without guarantee or warrantee expressed or implied. This +// program is -not- in the public domain." + +// Although I have copied the GLUT API, none of my code is based on +// any Glut implementation details and is therefore covered by the LGPL. + +#include "flstring.h" +#if HAVE_GL + +# include +# ifdef HAVE_GLXGETPROCADDRESSARB +# define GLX_GLXEXT_LEGACY +# include +# endif // HAVE_GLXGETPROCADDRESSARB +# ifdef HAVE_DLFCN_H +# include +# endif // HAVE_DLFCN_H +# define MAXWINDOWS 32 +static Fl_Glut_Window *windows[MAXWINDOWS+1]; + +Fl_Glut_Window *glut_window; +int glut_menu; +void (*glut_menustate_function)(int); +void (*glut_menustatus_function)(int,int,int); + +static void default_reshape(int w, int h) {glViewport(0,0,w,h);} +static void default_display() {} + +void Fl_Glut_Window::make_current() { + glut_window = this; + if (shown()) Fl_Gl_Window::make_current(); +} + +static int indraw; +void Fl_Glut_Window::draw() { + glut_window = this; + indraw = 1; + if (!valid()) {reshape(w(),h()); valid(1);} + display(); + indraw = 0; +} + +void glutSwapBuffers() { + if (!indraw) glut_window->swap_buffers(); +} + +void Fl_Glut_Window::draw_overlay() { + glut_window = this; + if (!valid()) {reshape(w(),h()); valid(1);} + overlaydisplay(); +} + +static void domenu(int, int, int); + +int Fl_Glut_Window::handle(int event) { + make_current(); + int ex = Fl::event_x(); + int ey = Fl::event_y(); + int button; + switch (event) { + + case FL_PUSH: + if (keyboard || special) Fl::focus(this); + button = Fl::event_button()-1; + if (button<0) button = 0; + if (button>2) button = 2; + if (menu[button]) {domenu(menu[button],ex,ey); return 1;} + mouse_down |= 1< 0) {mouse(4,GLUT_DOWN,ex,ey); --button;} + return 1; + + case FL_RELEASE: + for (button = 0; button < 3; button++) if (mouse_down & (1< FL_F && k <= FL_F_Last) k -= FL_F; + special(k,ex,ey); + return 1; + } + break; + } + + case FL_HIDE: + if (visibility) visibility(GLUT_NOT_VISIBLE); + break; + + case FL_SHOW: + if (visibility) visibility(GLUT_VISIBLE); + break; + } + + return Fl_Gl_Window::handle(event); +} + +static int glut_mode = GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH; + +void Fl_Glut_Window::_init() { + for (number=1; numberresizable(W); + if (initargc) { + W->show(initargc,initargv); + initargc = 0; + } else { + W->show(); + } + W->valid(0); + W->context_valid(0); + W->make_current(); + return W->number; +} + +int glutCreateSubWindow(int win, int x, int y, int w, int h) { + Fl_Glut_Window *W = new Fl_Glut_Window(x,y,w,h,0); + windows[win]->add(W); + if (windows[win]->shown()) W->show(); + W->make_current(); + return W->number; +} + +Fl_Glut_Window::~Fl_Glut_Window() { + if (glut_window == this) glut_window = 0; + windows[number] = 0; +} + +void glutDestroyWindow(int win) { + // should destroy children!!! + delete windows[win]; +} + +void glutPostWindowRedisplay(int win) { + windows[win]->redraw(); +} + +void glutSetWindow(int win) { + windows[win]->make_current(); +} + +//////////////////////////////////////////////////////////////// +#include + +struct menu { + void (*cb)(int); + Fl_Menu_Item *m; + int size; + int alloc; +}; + +#define MAXMENUS 32 +static menu menus[MAXMENUS+1]; + +static void domenu(int n, int ex, int ey) { + glut_menu = n; + menu *m = &menus[n]; + if (glut_menustate_function) glut_menustate_function(1); + if (glut_menustatus_function) glut_menustatus_function(1,ex,ey); + const Fl_Menu_Item* g = m->m->popup(Fl::event_x(), Fl::event_y(), 0); + if (g && g->callback_) ((void (*)(int))(g->callback_))(int(g->argument())); + if (glut_menustatus_function) glut_menustatus_function(0,ex,ey); + if (glut_menustate_function) glut_menustate_function(0); +} + +int glutCreateMenu(void (*cb)(int)) { + int i; + for (i=1; icb = cb; + return glut_menu = i; +} + +void glutDestroyMenu(int n) { + menu *m = &menus[n]; + delete[] m->m; + m->m = 0; + m->cb = 0; + m->size = m->alloc = 0; +} + +static Fl_Menu_Item* additem(menu *m) { + if (m->size+1 >= m->alloc) { + m->alloc = m->size*2+10; + Fl_Menu_Item* nm = new Fl_Menu_Item[m->alloc]; + for (int i=0; isize; i++) nm[i] = m->m[i]; + delete[] m->m; + m->m = nm; + } + int n = m->size++; + m->m[n+1].text = 0; + Fl_Menu_Item* i = &(m->m[n]); + i->shortcut_ = 0; + i->flags = 0; + i->labeltype_ = i->labelfont_ = i->labelsize_ = i->labelcolor_ = 0; + return i; +} + +void glutAddMenuEntry(char *label, int value) { + menu *m = &menus[glut_menu]; + Fl_Menu_Item* i = additem(m); + i->text = label; + i->callback_ = (Fl_Callback*)(m->cb); + i->user_data_ = (void *)value; +} + +void glutAddSubMenu(char *label, int submenu) { + menu *m = &menus[glut_menu]; + Fl_Menu_Item* i = additem(m); + i->text = label; + i->callback_ = 0; + i->user_data_ = (void *)(menus[submenu].m); + i->flags = FL_PUP_SUBMENU; +} + +void glutChangeToMenuEntry(int item, char *label, int value) { + menu *m = &menus[glut_menu]; + Fl_Menu_Item* i = &m->m[item-1]; + i->text = label; + i->callback_ = (Fl_Callback*)(m->cb); + i->user_data_ = (void *)value; + i->flags = 0; +} + +void glutChangeToSubMenu(int item, char *label, int submenu) { + menu *m = &menus[glut_menu]; + Fl_Menu_Item* i = &m->m[item-1]; + i->text = label; + i->callback_ = 0; + i->user_data_ = (void *)(menus[submenu].m); + i->flags = FL_PUP_SUBMENU; +} + +void glutRemoveMenuItem(int item) { + menu *m = &menus[glut_menu]; + if (item > m->size || item < 1) return; + for (int i = item-1; i <= m->size; i++) m->m[i] = m->m[i+1]; + m->size--; +} + +//////////////////////////////////////////////////////////////// + +int glutGet(GLenum type) { + switch (type) { + case GLUT_RETURN_ZERO: return 0; + case GLUT_WINDOW_X: return glut_window->x(); + case GLUT_WINDOW_Y: return glut_window->y(); + case GLUT_WINDOW_WIDTH: return glut_window->w(); + case GLUT_WINDOW_HEIGHT: return glut_window->h(); + case GLUT_WINDOW_PARENT: + if (glut_window->parent()) + return ((Fl_Glut_Window *)(glut_window->parent()))->number; + else + return 0; +//case GLUT_WINDOW_NUM_CHILDREN: +//case GLUT_WINDOW_CURSOR: return + case GLUT_SCREEN_WIDTH: return Fl::w(); + case GLUT_SCREEN_HEIGHT: return Fl::h(); +//case GLUT_SCREEN_WIDTH_MM: +//case GLUT_SCREEN_HEIGHT_MM: + case GLUT_MENU_NUM_ITEMS: return menus[glut_menu].size; + case GLUT_DISPLAY_MODE_POSSIBLE: return Fl_Gl_Window::can_do(glut_mode); + case GLUT_INIT_WINDOW_X: return initx; + case GLUT_INIT_WINDOW_Y: return inity; + case GLUT_INIT_WINDOW_WIDTH: return initw; + case GLUT_INIT_WINDOW_HEIGHT: return inith; + case GLUT_INIT_DISPLAY_MODE: return glut_mode; +//case GLUT_ELAPSED_TIME: + case GLUT_WINDOW_BUFFER_SIZE: + if (glutGet(GLUT_WINDOW_RGBA)) + return glutGet(GLUT_WINDOW_RED_SIZE)+ + glutGet(GLUT_WINDOW_GREEN_SIZE)+ + glutGet(GLUT_WINDOW_BLUE_SIZE)+ + glutGet(GLUT_WINDOW_ALPHA_SIZE); + else + return glutGet(GLUT_WINDOW_COLORMAP_SIZE); + case GLUT_VERSION: return 20400; + default: {GLint p; glGetIntegerv(type, &p); return p;} + } +} + +int glutLayerGet(GLenum type) { + switch (type) { + case GLUT_OVERLAY_POSSIBLE: return glut_window->can_do_overlay(); +//case GLUT_LAYER_IN_USE: +//case GLUT_HAS_OVERLAY: + case GLUT_TRANSPARENT_INDEX: return 0; // true for SGI + case GLUT_NORMAL_DAMAGED: return glut_window->damage(); + case GLUT_OVERLAY_DAMAGED: return 1; // kind of works... + default: return 0; + } +} + +int glutDeviceGet(GLenum type) { + switch (type) { + case GLUT_HAS_KEYBOARD : return 1; + case GLUT_HAS_MOUSE : return 1; + case GLUT_NUM_MOUSE_BUTTONS : return 3; + default : return 0; + } +} + +// Get extension function address... +GLUTproc glutGetProcAddress(const char *procName) { +# ifdef WIN32 + return (GLUTproc)wglGetProcAddress((LPCSTR)procName); + +# elif defined(HAVE_DLSYM) && defined(HAVE_DLFCN_H) + char symbol[1024]; + + snprintf(symbol, sizeof(symbol), "_%s", procName); + +# ifdef RTLD_DEFAULT + return (GLUTproc)dlsym(RTLD_DEFAULT, symbol); + +# else // No RTLD_DEFAULT support, so open the current a.out symbols... + static void *rtld_default = 0; + + if (!rtld_default) rtld_default = dlopen(0, RTLD_LAZY); + + if (rtld_default) return (GLUTproc)dlsym(rtld_default, symbol); + else return 0; + +# endif // RTLD_DEFAULT + +# elif defined(HAVE_GLXGETPROCADDRESSARB) + return (GLUTproc)glXGetProcAddressARB((const GLubyte *)procName); + +# else + return (GLUTproc)0; +# endif // WIN32 +} + +// Parse the GL_EXTENSIONS string to see if the named extension is +// supported. +// +// This code was copied from FreeGLUT 2.4.0 which carries the +// following notice: +// +// Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved. +int glutExtensionSupported( const char* extension ) +{ + if (!extension || strchr(extension, ' ')) return 0; + + const char *extensions, *start; + const int len = strlen( extension ); + + start = extensions = (const char *) glGetString(GL_EXTENSIONS); + + if (!extensions) return 0; + + for (;;) { + const char *p = strstr(extensions, extension); + if (!p) return 0; /* not found */ + /* check that the match isn't a super string */ + if ((p == start || p[-1] == ' ') && + (p[len] == ' ' || p[len] == 0)) return 1; + /* skip the false match and continue */ + extensions = p + len; + } +} + +#endif // HAVE_GL + +// +// End of "$Id: glut_compatability.cxx 5845 2007-05-20 00:01:06Z mike $". +// -- cgit v1.3.1