From 89054dd9a7955527337bd183c389428e0a0123a0 Mon Sep 17 00:00:00 2001 From: fayjf Date: Thu, 24 Dec 2009 04:05:46 +0000 Subject: [PATCH] Rearranged some of the configuration-dependent code with an eye to simplifying it. git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@866 7f0cb862-5218-0410-a997-914c9d46530a --- freeglut/freeglut/src/freeglut_window.c | 538 ++++++++++++------------ 1 file changed, 274 insertions(+), 264 deletions(-) diff --git a/freeglut/freeglut/src/freeglut_window.c b/freeglut/freeglut/src/freeglut_window.c index f0e0754..232f4ea 100644 --- a/freeglut/freeglut/src/freeglut_window.c +++ b/freeglut/freeglut/src/freeglut_window.c @@ -38,19 +38,109 @@ # ifdef FREEGLUT_LIB_PRAGMAS # pragma comment( lib, "Aygshell.lib" ) # endif - -static wchar_t* fghWstrFromStr(const char* str) -{ - int i,len=strlen(str); - wchar_t* wstr = (wchar_t*)malloc(2*len+2); - for(i=0; i + * So we copy the necessary parts out of it. + * XXX: should local definitions for extensions be put in a separate include file? + */ +typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc); + +typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats); + +#define WGL_DRAW_TO_WINDOW_ARB 0x2001 +#define WGL_ACCELERATION_ARB 0x2003 +#define WGL_SUPPORT_OPENGL_ARB 0x2010 +#define WGL_DOUBLE_BUFFER_ARB 0x2011 +#define WGL_COLOR_BITS_ARB 0x2014 +#define WGL_ALPHA_BITS_ARB 0x201B +#define WGL_DEPTH_BITS_ARB 0x2022 +#define WGL_STENCIL_BITS_ARB 0x2023 +#define WGL_FULL_ACCELERATION_ARB 0x2027 + +#define WGL_SAMPLE_BUFFERS_ARB 0x2041 +#define WGL_SAMPLES_ARB 0x2042 + +#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0 + +#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9 + +#ifndef WGL_ARB_create_context +#define WGL_ARB_create_context 1 +#ifdef WGL_WGLEXT_PROTOTYPES +extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *); +#endif /* WGL_WGLEXT_PROTOTYPES */ +typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList); + +#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091 +#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092 +#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093 +#define WGL_CONTEXT_FLAGS_ARB 0x2094 +#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126 + +#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001 +#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 + +#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 +#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 + +#define ERROR_INVALID_VERSION_ARB 0x2095 +#define ERROR_INVALID_PROFILE_ARB 0x2096 +#endif + +#endif /* TARGET_HOST_MS_WINDOWS */ + + /* pushing attribute/value pairs into an array */ #define ATTRIB(a) attributes[where++]=(a) #define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);} @@ -122,14 +212,13 @@ static void fghContextCreationError( void ) fgState.ContextProfile ); } + +/* -- SYSTEM-DEPENDENT PRIVATE FUNCTIONS ------------------------------------ */ + +#if TARGET_HOST_POSIX_X11 /* * Chooses a visual basing on the current display mode settings */ -#if TARGET_HOST_POSIX_X11 - -#ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB -#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2 -#endif GLXFBConfig* fgChooseFBConfig( void ) { @@ -299,60 +388,177 @@ GLXFBConfig* fgChooseFBConfig( void ) return fbconfig; } } -#endif /* TARGET_HOST_POSIX_X11 */ + +static void fghFillContextAttributes( int *attributes ) { + int where = 0, contextFlags, contextProfile; + + if ( !fghIsLegacyContextVersionRequested() ) { + ATTRIB_VAL( GLX_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion ); + ATTRIB_VAL( GLX_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion ); + } + + contextFlags = + fghMapBit( fgState.ContextFlags, GLUT_DEBUG, GLX_CONTEXT_DEBUG_BIT_ARB ) | + fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB ); + if ( contextFlags != 0 ) { + ATTRIB_VAL( GLX_CONTEXT_FLAGS_ARB, contextFlags ); + } + + contextProfile = + fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, GLX_CONTEXT_CORE_PROFILE_BIT_ARB ) | + fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB ); + if ( contextProfile != 0 ) { + ATTRIB_VAL( GLX_CONTEXT_PROFILE_MASK_ARB, contextProfile ); + } + + ATTRIB( 0 ); +} + +typedef GLXContext (*CreateContextAttribsProc)(Display *dpy, GLXFBConfig config, + GLXContext share_list, Bool direct, + const int *attrib_list); + +static GLXContext fghCreateNewContext( SFG_Window* window ) +{ + /* for color model calculation */ + int menu = ( window->IsMenu && !fgStructure.MenuContext ); + int index_mode = ( fgState.DisplayMode & GLUT_INDEX ); + + /* "classic" context creation */ + Display *dpy = fgDisplay.Display; + GLXFBConfig config = *(window->Window.FBConfig); + int render_type = ( !menu && index_mode ) ? GLX_COLOR_INDEX_TYPE : GLX_RGBA_TYPE; + GLXContext share_list = NULL; + Bool direct = ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT ); + GLXContext context; + + /* new context creation */ + int attributes[9]; + CreateContextAttribsProc createContextAttribs; + + /* If nothing fancy has been required, simply use the old context creation GLX API entry */ + if ( fghIsLegacyContextRequested() ) + { + context = glXCreateNewContext( dpy, config, render_type, share_list, direct ); + if ( context == NULL ) { + fghContextCreationError(); + } + return context; + } + + /* color index mode is not available anymore with OpenGL 3.0 */ + if ( render_type == GLX_COLOR_INDEX_TYPE ) { + fgWarning( "color index mode is deprecated, using RGBA mode" ); + } + + fghFillContextAttributes( attributes ); + + createContextAttribs = (CreateContextAttribsProc) fghGetProcAddress( "glXCreateContextAttribsARB" ); + if ( createContextAttribs == NULL ) { + fgError( "glXCreateContextAttribsARB not found" ); + } + + context = createContextAttribs( dpy, config, share_list, direct, attributes ); + if ( context == NULL ) { + fghContextCreationError(); + } + return context; +} + + +#define _NET_WM_STATE_TOGGLE 2 +static int fghResizeFullscrToggle(void) +{ + XWindowAttributes attributes; + + if(glutGet(GLUT_FULL_SCREEN)) { + /* restore original window size */ + SFG_Window *win = fgStructure.CurrentWindow; + fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE; + fgStructure.CurrentWindow->State.Width = win->State.OldWidth; + fgStructure.CurrentWindow->State.Height = win->State.OldHeight; + + } else { + /* resize the window to cover the entire screen */ + XGetWindowAttributes(fgDisplay.Display, + fgStructure.CurrentWindow->Window.Handle, + &attributes); + + /* + * The "x" and "y" members of "attributes" are the window's coordinates + * relative to its parent, i.e. to the decoration window. + */ + XMoveResizeWindow(fgDisplay.Display, + fgStructure.CurrentWindow->Window.Handle, + -attributes.x, + -attributes.y, + fgDisplay.ScreenWidth, + fgDisplay.ScreenHeight); + } + return 0; +} + +static int fghEwmhFullscrToggle(void) +{ + XEvent xev; + long evmask = SubstructureRedirectMask | SubstructureNotifyMask; + + if(!fgDisplay.State || !fgDisplay.StateFullScreen) { + return -1; + } + + xev.type = ClientMessage; + xev.xclient.window = fgStructure.CurrentWindow->Window.Handle; + xev.xclient.message_type = fgDisplay.State; + xev.xclient.format = 32; + xev.xclient.data.l[0] = _NET_WM_STATE_TOGGLE; + xev.xclient.data.l[1] = fgDisplay.StateFullScreen; + xev.xclient.data.l[2] = 0; /* no second property to toggle */ + xev.xclient.data.l[3] = 1; /* source indication: application */ + xev.xclient.data.l[4] = 0; /* unused */ + + if(!XSendEvent(fgDisplay.Display, fgDisplay.RootWindow, 0, evmask, &xev)) { + return -1; + } + return 0; +} + +static int fghToggleFullscreen(void) +{ + /* first try the EWMH (_NET_WM_STATE) method ... */ + if(fghEwmhFullscrToggle() != -1) { + return 0; + } + + /* fall back to resizing the window */ + if(fghResizeFullscrToggle() != -1) { + return 0; + } + return -1; +} + + +#endif /* TARGET_HOST_POSIX_X11 */ + + +#if TARGET_HOST_MS_WINDOWS /* * Setup the pixel format for a Win32 window */ -#if TARGET_HOST_MS_WINDOWS -/* The following include file is available from SGI but is not standard: - * #include - * So we copy the necessary parts out of it. - * XXX: should local definitions for extensions be put in a separate include file? - */ -typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc); -typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats); +#if defined(_WIN32_WCE) +static wchar_t* fghWstrFromStr(const char* str) +{ + int i,len=strlen(str); + wchar_t* wstr = (wchar_t*)malloc(2*len+2); + for(i=0; iWindow.Device, pixelformat, ppfd ) ); #endif /* defined(_WIN32_WCE) */ } -#endif /* TARGET_HOST_MS_WINDOWS */ + +#endif /* TARGET_HOST_MS_WINDOWS */ /* * Sets the OpenGL context and the fgStructure "Current Window" pointer to @@ -620,126 +827,6 @@ void fgSetWindow ( SFG_Window *window ) -#if TARGET_HOST_POSIX_X11 - -#ifndef GLX_CONTEXT_MAJOR_VERSION_ARB -#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 -#endif - -#ifndef GLX_CONTEXT_MINOR_VERSION_ARB -#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 -#endif - -#ifndef GLX_CONTEXT_FLAGS_ARB -#define GLX_CONTEXT_FLAGS_ARB 0x2094 -#endif - -#ifndef GLX_CONTEXT_PROFILE_MASK_ARB -#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126 -#endif - -#ifndef GLX_CONTEXT_DEBUG_BIT_ARB -#define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001 -#endif - -#ifndef GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB -#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 -#endif - -#ifndef GLX_CONTEXT_CORE_PROFILE_BIT_ARB -#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 -#endif - -#ifndef GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB -#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 -#endif - -#ifndef GLX_RGBA_FLOAT_TYPE -#define GLX_RGBA_FLOAT_TYPE 0x20B9 -#endif - -#ifndef GLX_RGBA_FLOAT_BIT -#define GLX_RGBA_FLOAT_BIT 0x00000004 -#endif - -static void fghFillContextAttributes( int *attributes ) { - int where = 0, contextFlags, contextProfile; - - if ( !fghIsLegacyContextVersionRequested() ) { - ATTRIB_VAL( GLX_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion ); - ATTRIB_VAL( GLX_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion ); - } - - contextFlags = - fghMapBit( fgState.ContextFlags, GLUT_DEBUG, GLX_CONTEXT_DEBUG_BIT_ARB ) | - fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB ); - if ( contextFlags != 0 ) { - ATTRIB_VAL( GLX_CONTEXT_FLAGS_ARB, contextFlags ); - } - - contextProfile = - fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, GLX_CONTEXT_CORE_PROFILE_BIT_ARB ) | - fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB ); - if ( contextProfile != 0 ) { - ATTRIB_VAL( GLX_CONTEXT_PROFILE_MASK_ARB, contextProfile ); - } - - ATTRIB( 0 ); -} - -typedef GLXContext (*CreateContextAttribsProc)(Display *dpy, GLXFBConfig config, - GLXContext share_list, Bool direct, - const int *attrib_list); - -static GLXContext fghCreateNewContext( SFG_Window* window ) -{ - /* for color model calculation */ - int menu = ( window->IsMenu && !fgStructure.MenuContext ); - int index_mode = ( fgState.DisplayMode & GLUT_INDEX ); - - /* "classic" context creation */ - Display *dpy = fgDisplay.Display; - GLXFBConfig config = *(window->Window.FBConfig); - int render_type = ( !menu && index_mode ) ? GLX_COLOR_INDEX_TYPE : GLX_RGBA_TYPE; - GLXContext share_list = NULL; - Bool direct = ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT ); - GLXContext context; - - /* new context creation */ - int attributes[9]; - CreateContextAttribsProc createContextAttribs; - - /* If nothing fancy has been required, simply use the old context creation GLX API entry */ - if ( fghIsLegacyContextRequested() ) - { - context = glXCreateNewContext( dpy, config, render_type, share_list, direct ); - if ( context == NULL ) { - fghContextCreationError(); - } - return context; - } - - /* color index mode is not available anymore with OpenGL 3.0 */ - if ( render_type == GLX_COLOR_INDEX_TYPE ) { - fgWarning( "color index mode is deprecated, using RGBA mode" ); - } - - fghFillContextAttributes( attributes ); - - createContextAttribs = (CreateContextAttribsProc) fghGetProcAddress( "glXCreateContextAttribsARB" ); - if ( createContextAttribs == NULL ) { - fgError( "glXCreateContextAttribsARB not found" ); - } - - context = createContextAttribs( dpy, config, share_list, direct, attributes ); - if ( context == NULL ) { - fghContextCreationError(); - } - return context; -} -#endif - - /* * Opens a window. Requires a SFG_Window object created and attached * to the freeglut structure. OpenGL context is created here. @@ -1556,83 +1643,6 @@ void FGAPIENTRY glutPopWindow( void ) #endif } -#if TARGET_HOST_POSIX_X11 -static int ewmh_fullscr_toggle(void); -static int resize_fullscr_toogle(void); - -static int toggle_fullscreen(void) -{ - /* first try the EWMH (_NET_WM_STATE) method ... */ - if(ewmh_fullscr_toggle() != -1) { - return 0; - } - - /* fall back to resizing the window */ - if(resize_fullscr_toogle() != -1) { - return 0; - } - return -1; -} - -#define _NET_WM_STATE_TOGGLE 2 -static int ewmh_fullscr_toggle(void) -{ - XEvent xev; - long evmask = SubstructureRedirectMask | SubstructureNotifyMask; - - if(!fgDisplay.State || !fgDisplay.StateFullScreen) { - return -1; - } - - xev.type = ClientMessage; - xev.xclient.window = fgStructure.CurrentWindow->Window.Handle; - xev.xclient.message_type = fgDisplay.State; - xev.xclient.format = 32; - xev.xclient.data.l[0] = _NET_WM_STATE_TOGGLE; - xev.xclient.data.l[1] = fgDisplay.StateFullScreen; - xev.xclient.data.l[2] = 0; /* no second property to toggle */ - xev.xclient.data.l[3] = 1; /* source indication: application */ - xev.xclient.data.l[4] = 0; /* unused */ - - if(!XSendEvent(fgDisplay.Display, fgDisplay.RootWindow, 0, evmask, &xev)) { - return -1; - } - return 0; -} - -static int resize_fullscr_toogle(void) -{ - XWindowAttributes attributes; - - if(glutGet(GLUT_FULL_SCREEN)) { - /* restore original window size */ - SFG_Window *win = fgStructure.CurrentWindow; - fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE; - fgStructure.CurrentWindow->State.Width = win->State.OldWidth; - fgStructure.CurrentWindow->State.Height = win->State.OldHeight; - - } else { - /* resize the window to cover the entire screen */ - XGetWindowAttributes(fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - &attributes); - - /* - * The "x" and "y" members of "attributes" are the window's coordinates - * relative to its parent, i.e. to the decoration window. - */ - XMoveResizeWindow(fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - -attributes.x, - -attributes.y, - fgDisplay.ScreenWidth, - fgDisplay.ScreenHeight); - } - return 0; -} -#endif /* TARGET_HOST_POSIX_X11 */ - - /* * Resize the current window so that it fits the whole screen */ @@ -1647,7 +1657,7 @@ void FGAPIENTRY glutFullScreen( void ) #if TARGET_HOST_POSIX_X11 if(!glutGet(GLUT_FULL_SCREEN)) { - if(toggle_fullscreen() != -1) { + if(fghToggleFullscreen() != -1) { win->State.IsFullscreen = GL_TRUE; } } @@ -1711,7 +1721,7 @@ void FGAPIENTRY glutFullScreenToggle( void ) win = fgStructure.CurrentWindow; #if TARGET_HOST_POSIX_X11 - if(toggle_fullscreen() != -1) { + if(fghToggleFullscreen() != -1) { win->State.IsFullscreen = !win->State.IsFullscreen; } #elif TARGET_HOST_MS_WINDOWS