* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#define FREEGLUT_BUILDING_LIB
#include <GL/freeglut.h>
#include "freeglut_internal.h"
+#if TARGET_HOST_POSIX_X11
+#include <limits.h> /* LONG_MAX */
+#include <unistd.h> /* usleep */
+#endif
+
#if defined(_WIN32_WCE)
# include <Aygshell.h>
# ifdef FREEGLUT_LIB_PRAGMAS
# pragma comment( lib, "Aygshell.lib" )
# endif
+#endif /* 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; i<len; i++)
- wstr[i] = str[i];
- wstr[len] = 0;
- return wstr;
-}
-#endif /* defined(_WIN32_WCE) */
+#if TARGET_HOST_POSIX_X11
+#ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB
+#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2
+#endif
+
+#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
+#endif /* TARGET_HOST_POSIX_X11 */
+
+
+#if TARGET_HOST_MS_WINDOWS
+/* The following include file is available from SGI but is not standard:
+ * #include <GL/wglext.h>
+ * 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 */
+
+#ifdef WM_TOUCH
+ typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG);
+ static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF;
+#endif
+
+/* pushing attribute/value pairs into an array */
+#define ATTRIB(a) attributes[where++]=(a)
+#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
/*
* TODO BEFORE THE STABLE RELEASE:
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
-/*
- * Chooses a visual basing on the current display mode settings
- */
-#if TARGET_HOST_POSIX_X11
+static int fghIsLegacyContextVersionRequested( void )
+{
+ return fgState.MajorVersion < 2 || (fgState.MajorVersion == 2 && fgState.MinorVersion <= 1);
+}
-GLXFBConfig* fgChooseFBConfig( void )
+static int fghIsLegacyContextRequested( void )
{
- GLboolean wantIndexedMode = GL_FALSE;
- int attributes[ 32 ];
- int where = 0;
+ return fghIsLegacyContextVersionRequested() &&
+ fgState.ContextFlags == 0 &&
+ fgState.ContextProfile == 0;
+}
- /* First we have to process the display mode settings... */
-/*
- * XXX Why is there a semi-colon in this #define? The code
- * XXX that uses the macro seems to always add more semicolons...
- */
-#define ATTRIB(a) attributes[where++]=a;
-#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
+static int fghNumberOfAuxBuffersRequested( void )
+{
+ if ( fgState.DisplayMode & GLUT_AUX4 ) {
+ return 4;
+ }
+ if ( fgState.DisplayMode & GLUT_AUX3 ) {
+ return 3;
+ }
+ if ( fgState.DisplayMode & GLUT_AUX2 ) {
+ return 2;
+ }
+ if ( fgState.DisplayMode & GLUT_AUX1 ) { /* NOTE: Same as GLUT_AUX! */
+ return fgState.AuxiliaryBufferNumber;
+ }
+ return 0;
+}
- if( fgState.DisplayMode & GLUT_INDEX )
- {
- ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
- /* Buffer size is selected later. */
+static int fghMapBit( int mask, int from, int to )
+{
+ return ( mask & from ) ? to : 0;
- ATTRIB_VAL( GLX_RENDER_TYPE, GLX_COLOR_INDEX_BIT );
- wantIndexedMode = GL_TRUE;
- }
- else
- {
- ATTRIB_VAL( GLX_RED_SIZE, 1 );
- ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
- ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
- if( fgState.DisplayMode & GLUT_ALPHA )
- ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
- }
+}
- if( fgState.DisplayMode & GLUT_DOUBLE )
- ATTRIB_VAL( GLX_DOUBLEBUFFER, True );
+static void fghContextCreationError( void )
+{
+ fgError( "Unable to create OpenGL %d.%d context (flags %x, profile %x)",
+ fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags,
+ fgState.ContextProfile );
+}
- if( fgState.DisplayMode & GLUT_STEREO )
- ATTRIB_VAL( GLX_STEREO, True );
- if( fgState.DisplayMode & GLUT_DEPTH )
- ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
+/* -- SYSTEM-DEPENDENT PRIVATE FUNCTIONS ------------------------------------ */
- if( fgState.DisplayMode & GLUT_STENCIL )
- ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
+#if TARGET_HOST_POSIX_X11
+/*
+ * Chooses a visual basing on the current display mode settings
+ */
- if( fgState.DisplayMode & GLUT_ACCUM )
- {
- ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
- ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
- ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
- if( fgState.DisplayMode & GLUT_ALPHA )
- ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
+GLXFBConfig* fgChooseFBConfig( int *numcfgs )
+{
+ GLboolean wantIndexedMode = GL_FALSE;
+ int attributes[ 100 ];
+ int where = 0, numAuxBuffers;
+
+ /* First we have to process the display mode settings... */
+ if( fgState.DisplayMode & GLUT_INDEX ) {
+ ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
+ /* Buffer size is selected later. */
+
+ ATTRIB_VAL( GLX_RENDER_TYPE, GLX_COLOR_INDEX_BIT );
+ wantIndexedMode = GL_TRUE;
+ } else {
+ ATTRIB_VAL( GLX_RED_SIZE, 1 );
+ ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
+ ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ALPHA ) {
+ ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
}
-
- if( fgState.DisplayMode & GLUT_AUX1 )
- ATTRIB_VAL( GLX_AUX_BUFFERS, 1 );
- if( fgState.DisplayMode & GLUT_AUX2 )
- ATTRIB_VAL( GLX_AUX_BUFFERS, 2 );
- if( fgState.DisplayMode & GLUT_AUX3 )
- ATTRIB_VAL( GLX_AUX_BUFFERS, 3 );
- if( fgState.DisplayMode & GLUT_AUX4 )
- ATTRIB_VAL( GLX_AUX_BUFFERS, 4 );
- if ( fgState.DisplayMode & GLUT_MULTISAMPLE )
- {
- ATTRIB_VAL( GLX_SAMPLE_BUFFERS, 1 );
+ }
+
+ if( fgState.DisplayMode & GLUT_DOUBLE ) {
+ ATTRIB_VAL( GLX_DOUBLEBUFFER, True );
+ }
+
+ if( fgState.DisplayMode & GLUT_STEREO ) {
+ ATTRIB_VAL( GLX_STEREO, True );
+ }
+
+ if( fgState.DisplayMode & GLUT_DEPTH ) {
+ ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
+ }
+
+ if( fgState.DisplayMode & GLUT_STENCIL ) {
+ ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
+ }
+
+ if( fgState.DisplayMode & GLUT_ACCUM ) {
+ ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
+ ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
+ ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ALPHA ) {
+ ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
}
+ }
+
+ numAuxBuffers = fghNumberOfAuxBuffersRequested();
+ if ( numAuxBuffers > 0 ) {
+ ATTRIB_VAL( GLX_AUX_BUFFERS, numAuxBuffers );
+ }
+
+ if( fgState.DisplayMode & GLUT_SRGB ) {
+ ATTRIB_VAL( GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, True );
+ }
+ if (fgState.DisplayMode & GLUT_MULTISAMPLE) {
+ ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1);
+ ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber);
+ }
- /* Push a null at the end of the list */
- ATTRIB( None );
+ /* Push a terminator at the end of the list */
+ ATTRIB( None );
{
GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
fbconfig = NULL;
}
+ if (numcfgs)
+ *numcfgs = fbconfigArraySize;
+
return fbconfig;
}
}
-#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 = (CreateContextAttribsProc) fghGetProcAddress( "glXCreateContextAttribsARB" );
+
+ /* glXCreateContextAttribsARB not found, yet the user has requested the new context creation */
+ if ( !createContextAttribs && !fghIsLegacyContextRequested() ) {
+ fgWarning( "OpenGL >2.1 context requested but glXCreateContextAttribsARB is not available! Falling back to legacy context creation" );
+ fgState.MajorVersion = 2;
+ fgState.MinorVersion = 1;
+ }
+
+ /* If nothing fancy has been required, simply use the old context creation GLX API entry */
+ if ( fghIsLegacyContextRequested() || !createContextAttribs )
+ {
+ 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 );
+
+ 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 <GL/wglext.h>
- * 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; i<len; i++)
+ wstr[i] = str[i];
+ wstr[len] = 0;
+ return wstr;
+}
+#endif /* defined(_WIN32_WCE) */
-#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
+static void fghFillContextAttributes( int *attributes ) {
+ int where = 0, contextFlags, contextProfile;
+ if ( !fghIsLegacyContextVersionRequested() ) {
+ ATTRIB_VAL( WGL_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
+ ATTRIB_VAL( WGL_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
+ }
-GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
- unsigned char layer_type )
+ contextFlags =
+ fghMapBit( fgState.ContextFlags, GLUT_DEBUG, WGL_CONTEXT_DEBUG_BIT_ARB ) |
+ fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
+ if ( contextFlags != 0 ) {
+ ATTRIB_VAL( WGL_CONTEXT_FLAGS_ARB, contextFlags );
+ }
+
+ contextProfile =
+ fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, WGL_CONTEXT_CORE_PROFILE_BIT_ARB ) |
+ fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
+ if ( contextProfile != 0 ) {
+ ATTRIB_VAL( WGL_CONTEXT_PROFILE_MASK_ARB, contextProfile );
+ }
+
+ ATTRIB( 0 );
+}
+
+static int fghIsExtensionSupported( HDC hdc, const char *extension ) {
+ const char *pWglExtString;
+ PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB =
+ (PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB");
+ if ( wglGetEntensionsStringARB == NULL )
+ {
+ return FALSE;
+ }
+ pWglExtString = wglGetEntensionsStringARB( hdc );
+ return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL );
+}
+
+void fgNewWGLCreateContext( SFG_Window* window )
{
-#if defined(_WIN32_WCE)
- return GL_TRUE;
-#else
- PIXELFORMATDESCRIPTOR* ppfd, pfd;
- int flags, pixelformat;
+ HGLRC context;
+ int attributes[9];
+ PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
- freeglut_return_val_if_fail( window != NULL, 0 );
- flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
- if( fgState.DisplayMode & GLUT_DOUBLE )
- flags |= PFD_DOUBLEBUFFER;
+ /* If nothing fancy has been required, leave the context as it is */
+ if ( fghIsLegacyContextRequested() )
+ {
+ return;
+ }
- if( fgState.DisplayMode & GLUT_STEREO )
- flags |= PFD_STEREO;
+ wglMakeCurrent( window->Window.Device, window->Window.Context );
-#if defined(_MSC_VER)
-#pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
-#endif
+ if ( !fghIsExtensionSupported( window->Window.Device, "WGL_ARB_create_context" ) )
+ {
+ return;
+ }
- /* Specify which pixel format do we opt for... */
- pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
- pfd.nVersion = 1;
- pfd.dwFlags = flags;
+ /* new context creation */
+ fghFillContextAttributes( attributes );
- if( fgState.DisplayMode & GLUT_INDEX )
+ wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
+ if ( wglCreateContextAttribsARB == NULL )
{
- pfd.iPixelType = PFD_TYPE_COLORINDEX;
- pfd.cRedBits = 0;
- pfd.cGreenBits = 0;
- pfd.cBlueBits = 0;
- pfd.cAlphaBits = 0;
+ fgError( "wglCreateContextAttribsARB not found" );
}
- else
+
+ context = wglCreateContextAttribsARB( window->Window.Device, 0, attributes );
+ if ( context == NULL )
{
- pfd.iPixelType = PFD_TYPE_RGBA;
- pfd.cRedBits = 8;
- pfd.cGreenBits = 8;
- pfd.cBlueBits = 8;
- if ( fgState.DisplayMode & GLUT_ALPHA )
- pfd.cAlphaBits = 8;
- else
- pfd.cAlphaBits = 0;
+ fghContextCreationError();
}
- pfd.cColorBits = 24;
- pfd.cRedShift = 0;
- pfd.cGreenShift = 0;
- pfd.cBlueShift = 0;
- pfd.cAlphaShift = 0;
- pfd.cAccumBits = 0;
- pfd.cAccumRedBits = 0;
- pfd.cAccumGreenBits = 0;
- pfd.cAccumBlueBits = 0;
- pfd.cAccumAlphaBits = 0;
-#if 0
- pfd.cDepthBits = 32;
- pfd.cStencilBits = 0;
-#else
- pfd.cDepthBits = 24;
- pfd.cStencilBits = 8;
+ wglMakeCurrent( NULL, NULL );
+ wglDeleteContext( window->Window.Context );
+ window->Window.Context = context;
+}
+
+#if !defined(_WIN32_WCE)
+
+static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type )
+{
+ int flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
+ if ( fgState.DisplayMode & GLUT_DOUBLE ) {
+ flags |= PFD_DOUBLEBUFFER;
+ }
+ if ( fgState.DisplayMode & GLUT_STEREO ) {
+ flags |= PFD_STEREO;
+ }
+
+#if defined(_MSC_VER)
+#pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
#endif
- if( fgState.DisplayMode & GLUT_AUX4 )
- pfd.cAuxBuffers = 4;
- else if( fgState.DisplayMode & GLUT_AUX3 )
- pfd.cAuxBuffers = 3;
- else if( fgState.DisplayMode & GLUT_AUX2 )
- pfd.cAuxBuffers = 2;
- else if( fgState.DisplayMode & GLUT_AUX1 )
- pfd.cAuxBuffers = 1;
- else
- pfd.cAuxBuffers = 0;
- pfd.iLayerType = layer_type;
- pfd.bReserved = 0;
- pfd.dwLayerMask = 0;
- pfd.dwVisibleMask = 0;
- pfd.dwDamageMask = 0;
+ /* Specify which pixel format do we opt for... */
+ ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
+ ppfd->nVersion = 1;
+ ppfd->dwFlags = flags;
+
+ if( fgState.DisplayMode & GLUT_INDEX ) {
+ ppfd->iPixelType = PFD_TYPE_COLORINDEX;
+ ppfd->cRedBits = 0;
+ ppfd->cGreenBits = 0;
+ ppfd->cBlueBits = 0;
+ ppfd->cAlphaBits = 0;
+ } else {
+ ppfd->iPixelType = PFD_TYPE_RGBA;
+ ppfd->cRedBits = 8;
+ ppfd->cGreenBits = 8;
+ ppfd->cBlueBits = 8;
+ ppfd->cAlphaBits = ( fgState.DisplayMode & GLUT_ALPHA ) ? 8 : 0;
+ }
+
+ ppfd->cColorBits = 24;
+ ppfd->cRedShift = 0;
+ ppfd->cGreenShift = 0;
+ ppfd->cBlueShift = 0;
+ ppfd->cAlphaShift = 0;
+ ppfd->cAccumBits = ( fgState.DisplayMode & GLUT_ACCUM ) ? 1 : 0;
+ ppfd->cAccumRedBits = 0;
+ ppfd->cAccumGreenBits = 0;
+ ppfd->cAccumBlueBits = 0;
+ ppfd->cAccumAlphaBits = 0;
+
+ /* Hmmm, or 32/0 instead of 24/8? */
+ ppfd->cDepthBits = 24;
+ ppfd->cStencilBits = 8;
+
+ ppfd->cAuxBuffers = fghNumberOfAuxBuffersRequested();
+ ppfd->iLayerType = layer_type;
+ ppfd->bReserved = 0;
+ ppfd->dwLayerMask = 0;
+ ppfd->dwVisibleMask = 0;
+ ppfd->dwDamageMask = 0;
+
+ ppfd->cColorBits = (BYTE) GetDeviceCaps( hdc, BITSPIXEL );
+}
+
+static void fghFillPixelFormatAttributes( int *attributes, const PIXELFORMATDESCRIPTOR *ppfd )
+{
+ int where = 0;
+
+ ATTRIB_VAL( WGL_DRAW_TO_WINDOW_ARB, GL_TRUE );
+ ATTRIB_VAL( WGL_SUPPORT_OPENGL_ARB, GL_TRUE );
+ ATTRIB_VAL( WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB );
+
+ ATTRIB_VAL( WGL_COLOR_BITS_ARB, ppfd->cColorBits );
+ ATTRIB_VAL( WGL_ALPHA_BITS_ARB, ppfd->cAlphaBits );
+ ATTRIB_VAL( WGL_DEPTH_BITS_ARB, ppfd->cDepthBits );
+ ATTRIB_VAL( WGL_STENCIL_BITS_ARB, ppfd->cStencilBits );
- pfd.cColorBits = (BYTE) GetDeviceCaps( window->Window.Device, BITSPIXEL );
- ppfd = &pfd;
+ ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 );
+
+ if ( fgState.DisplayMode & GLUT_SRGB ) {
+ ATTRIB_VAL( WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, TRUE );
+ }
+
+ ATTRIB_VAL( WGL_SAMPLE_BUFFERS_ARB, GL_TRUE );
+ ATTRIB_VAL( WGL_SAMPLES_ARB, fgState.SampleNumber );
+ ATTRIB( 0 );
+}
+#endif
+
+GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
+ unsigned char layer_type )
+{
+#if defined(_WIN32_WCE)
+ return GL_TRUE;
+#else
+ PIXELFORMATDESCRIPTOR pfd;
+ PIXELFORMATDESCRIPTOR* ppfd = &pfd;
+ int pixelformat;
+ HDC current_hDC;
+ GLboolean success;
+
+ if (checkOnly)
+ current_hDC = CreateDC(TEXT("DISPLAY"), NULL ,NULL ,NULL);
+ else
+ current_hDC = window->Window.Device;
- pixelformat = ChoosePixelFormat( window->Window.Device, ppfd );
+ fghFillPFD( ppfd, current_hDC, layer_type );
+ pixelformat = ChoosePixelFormat( current_hDC, ppfd );
- /* windows hack for multismapling */
- if (fgState.DisplayMode&GLUT_MULTISAMPLE)
+ /* windows hack for multismapling/sRGB */
+ if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) ||
+ ( fgState.DisplayMode & GLUT_SRGB ) )
{
- PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB=NULL;
HGLRC rc, rc_before=wglGetCurrentContext();
HWND hWnd;
HDC hDC, hDC_before=wglGetCurrentDC();
WNDCLASS wndCls;
- ATOM atom;
/* create a dummy window */
ZeroMemory(&wndCls, sizeof(wndCls));
- wndCls.lpfnWndProc = DefWindowProc;
- wndCls.hInstance = fgDisplay.Instance;
- wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
- wndCls.lpszClassName = _T("FREEGLUT_dummy");
- atom = RegisterClass( &wndCls );
+ wndCls.lpfnWndProc = DefWindowProc;
+ wndCls.hInstance = fgDisplay.Instance;
+ wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
+ wndCls.lpszClassName = _T("FREEGLUT_dummy");
+ RegisterClass( &wndCls );
- hWnd=CreateWindow((LPCSTR)atom, _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 );
+ hWnd=CreateWindow(_T("FREEGLUT_dummy"), _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 );
hDC=GetDC(hWnd);
SetPixelFormat( hDC, pixelformat, ppfd );
-
+
rc = wglCreateContext( hDC );
wglMakeCurrent(hDC, rc);
-
- wglGetEntensionsStringARB=(PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
- if (wglGetEntensionsStringARB)
+
+ if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) )
{
- const char * pWglExtString=wglGetEntensionsStringARB(hDC);
- if (pWglExtString)
+ PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc =
+ (PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB");
+ if ( wglChoosePixelFormatARBProc )
{
- if (strstr(pWglExtString, "WGL_ARB_multisample"))
+ int attributes[100];
+ int iPixelFormat;
+ BOOL bValid;
+ float fAttributes[] = { 0, 0 };
+ UINT numFormats;
+ fghFillPixelFormatAttributes( attributes, ppfd );
+ bValid = wglChoosePixelFormatARBProc(hDC, attributes, fAttributes, 1, &iPixelFormat, &numFormats);
+
+ if ( bValid && numFormats > 0 )
{
- int pAttributes[100];
- int iCounter=0;
- int iPixelFormat;
- BOOL bValid;
- float fAttributes[] = {0,0};
- UINT numFormats;
- PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc=NULL;
-
- wglChoosePixelFormatARBProc=(PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
- if ( wglChoosePixelFormatARBProc )
- {
- pAttributes[iCounter++]=WGL_DRAW_TO_WINDOW_ARB; pAttributes[iCounter++]=GL_TRUE;
- pAttributes[iCounter++]=WGL_SUPPORT_OPENGL_ARB; pAttributes[iCounter++]=GL_TRUE;
- pAttributes[iCounter++]=WGL_ACCELERATION_ARB; pAttributes[iCounter++]=WGL_FULL_ACCELERATION_ARB;
-
- pAttributes[iCounter++]=WGL_COLOR_BITS_ARB; pAttributes[iCounter++]=pfd.cColorBits ;
- pAttributes[iCounter++]=WGL_ALPHA_BITS_ARB; pAttributes[iCounter++]=pfd.cAlphaBits;
- pAttributes[iCounter++]=WGL_DEPTH_BITS_ARB; pAttributes[iCounter++]=pfd.cDepthBits;
- pAttributes[iCounter++]=WGL_STENCIL_BITS_ARB; pAttributes[iCounter++]=pfd.cStencilBits;
-
- pAttributes[iCounter++]=WGL_DOUBLE_BUFFER_ARB; pAttributes[iCounter++]=(fgState.DisplayMode & GLUT_DOUBLE)!=0;
- pAttributes[iCounter++]=WGL_SAMPLE_BUFFERS_ARB; pAttributes[iCounter++]=GL_TRUE;
- pAttributes[iCounter++]=WGL_SAMPLES_ARB; pAttributes[iCounter++]=4;
- pAttributes[iCounter++]=0; pAttributes[iCounter++]=0; /* terminator */
-
- bValid = wglChoosePixelFormatARBProc(window->Window.Device,pAttributes,fAttributes,1,&iPixelFormat,&numFormats);
-
- if (bValid && numFormats>0)
- pixelformat=iPixelFormat;
- }
+ pixelformat = iPixelFormat;
}
- wglMakeCurrent( hDC_before, rc_before);
- wglDeleteContext(rc);
- ReleaseDC(hWnd, hDC);
- DestroyWindow(hWnd);
- UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
}
}
+
+ wglMakeCurrent( hDC_before, rc_before);
+ wglDeleteContext(rc);
+ ReleaseDC(hWnd, hDC);
+ DestroyWindow(hWnd);
+ UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
}
- if( pixelformat == 0 )
- return GL_FALSE;
+ success = ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( current_hDC, pixelformat, ppfd ) );
- if( checkOnly )
- return GL_TRUE;
- return SetPixelFormat( window->Window.Device, pixelformat, ppfd );
+ if (checkOnly)
+ DeleteDC(current_hDC);
+
+ return success;
#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
{
#if TARGET_HOST_POSIX_X11
if ( window )
+ {
glXMakeContextCurrent(
fgDisplay.Display,
window->Window.Handle,
window->Window.Handle,
window->Window.Context
);
+ }
#elif TARGET_HOST_MS_WINDOWS
- if( fgStructure.CurrentWindow )
- ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
- fgStructure.CurrentWindow->Window.Device );
-
- if ( window )
+ if ( window != fgStructure.CurrentWindow )
{
- window->Window.Device = GetDC( window->Window.Handle );
- wglMakeCurrent(
- window->Window.Device,
- window->Window.Context
- );
+ if( fgStructure.CurrentWindow )
+ ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
+ fgStructure.CurrentWindow->Window.Device );
+
+ if ( window )
+ {
+ window->Window.Device = GetDC( window->Window.Handle );
+ wglMakeCurrent(
+ window->Window.Device,
+ window->Window.Context
+ );
+ }
}
#endif
fgStructure.CurrentWindow = window;
}
+#if TARGET_HOST_MS_WINDOWS
+
+/* Computes position of corners of window Rect (outer position including
+ * decorations) based on the provided client rect and based on the style
+ * of the window in question.
+ * If posIsOutside is set to true, the input client Rect is taken to follow
+ * freeGLUT's window specification convention in which the top-left corner
+ * is at the outside of the window, while the size
+ * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
+ * area.
+ */
+void fghComputeWindowRectFromClientArea_UseStyle( const DWORD windowStyle, RECT *clientRect, BOOL posIsOutside )
+{
+ int xBorderWidth = 0, yBorderWidth = 0;
+
+ /* If window has title bar, correct rect for it */
+ if (windowStyle & WS_MAXIMIZEBOX) /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */
+ if (posIsOutside)
+ clientRect->bottom += GetSystemMetrics( SM_CYCAPTION );
+ else
+ clientRect->top -= GetSystemMetrics( SM_CYCAPTION );
+
+ /* get width of window's borders (frame), correct rect for it.
+ * Note, borders can be of zero width if style does not specify borders
+ */
+ fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth);
+ if (posIsOutside)
+ {
+ clientRect->right += xBorderWidth * 2;
+ clientRect->bottom += yBorderWidth * 2;
+ }
+ else
+ {
+ clientRect->left -= xBorderWidth;
+ clientRect->right += xBorderWidth;
+ clientRect->top -= yBorderWidth;
+ clientRect->bottom += yBorderWidth;
+ }
+}
+
+/* Computes position of corners of window Rect (outer position including
+ * decorations) based on the provided client rect and based on the style
+ * of the window in question. If the window pointer or the window handle
+ * is NULL, a fully decorated window (caption and border) is assumed.
+ * Furthermore, if posIsOutside is set to true, the input client Rect is
+ * taken to follow freeGLUT's window specification convention in which the
+ * top-left corner is at the outside of the window, while the size
+ * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
+ * area.
+*/
+void fghComputeWindowRectFromClientArea_QueryWindow( const SFG_Window *window, RECT *clientRect, BOOL posIsOutside )
+{
+ DWORD windowStyle = 0;
+
+ if (window && window->Window.Handle)
+ windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
+ else
+ windowStyle = WS_OVERLAPPEDWINDOW;
+
+ fghComputeWindowRectFromClientArea_UseStyle(windowStyle, clientRect, posIsOutside);
+}
+
+/* Computes position of corners of client area (drawable area) of a window
+ * based on the provided window Rect (outer position including decorations)
+ * and based on the style of the window in question. If the window pointer
+ * or the window handle is NULL, a fully decorated window (caption and
+ * border) is assumed.
+ * Furthermore, if wantPosOutside is set to true, the output client Rect
+ * will follow freeGLUT's window specification convention in which the
+ * top-left corner is at the outside of the window, the size
+ * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
+ * area.
+ */
+void fghComputeClientAreaFromWindowRect( const SFG_Window *window, RECT *windowRect, BOOL wantPosOutside )
+{
+ DWORD windowStyle = 0;
+ int xBorderWidth = 0, yBorderWidth = 0;
+
+ if (window && window->Window.Handle)
+ windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
+ else
+ windowStyle = WS_OVERLAPPEDWINDOW;
+
+ /* If window has title bar, correct rect for it */
+ if (windowStyle & WS_MAXIMIZEBOX) /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */
+ if (wantPosOutside)
+ windowRect->bottom -= GetSystemMetrics( SM_CYCAPTION );
+ else
+ windowRect->top += GetSystemMetrics( SM_CYCAPTION );
+
+ /* get width of window's borders (frame), correct rect for it.
+ * Note, borders can be of zero width if style does not specify borders
+ */
+ fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth);
+ if (wantPosOutside)
+ {
+ windowRect->right -= xBorderWidth * 2;
+ windowRect->bottom -= yBorderWidth * 2;
+ }
+ else
+ {
+ windowRect->left += xBorderWidth;
+ windowRect->right -= xBorderWidth;
+ windowRect->top += yBorderWidth;
+ windowRect->bottom -= yBorderWidth;
+ }
+}
+
+/* Gets the rect describing the client area (drawable area) of the
+ * specified window.
+ * Returns an empty rect if window pointer or window handle is NULL.
+ * If wantPosOutside is set to true, the output client Rect
+ * will follow freeGLUT's window specification convention in which the
+ * top-left corner is at the outside of the window, while the size
+ * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
+ * area.
+ */
+RECT fghGetClientArea( const SFG_Window *window, BOOL wantPosOutside )
+{
+ RECT windowRect = {0,0,0,0};
+
+ freeglut_return_val_if_fail((window && window->Window.Handle),windowRect);
+
+ /*
+ * call GetWindowRect()
+ * (this returns the pixel coordinates of the outside of the window)
+ */
+ GetWindowRect( window->Window.Handle, &windowRect );
+
+ /* Then correct the results */
+ fghComputeClientAreaFromWindowRect(window, &windowRect, wantPosOutside);
+
+ return windowRect;
+}
+
+/* Returns the width of the window borders based on the window's style.
+ */
+void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth)
+{
+ if (windowStyle & WS_THICKFRAME)
+ {
+ *xBorderWidth = GetSystemMetrics(SM_CXSIZEFRAME);
+ *yBorderWidth = GetSystemMetrics(SM_CYSIZEFRAME);
+ }
+ else if (windowStyle & WS_DLGFRAME)
+ {
+ *xBorderWidth = GetSystemMetrics(SM_CXFIXEDFRAME);
+ *yBorderWidth = GetSystemMetrics(SM_CYFIXEDFRAME);
+ }
+ else
+ {
+ *xBorderWidth = 0;
+ *yBorderWidth = 0;
+ }
+}
+
+#if(WINVER >= 0x500)
+typedef struct
+{
+ int *x;
+ int *y;
+ const char *name;
+} m_proc_t;
+
+static BOOL CALLBACK m_proc(HMONITOR mon,
+ HDC hdc,
+ LPRECT rect,
+ LPARAM data)
+{
+ m_proc_t *dp=(m_proc_t *)data;
+ MONITORINFOEX info;
+ BOOL res;
+ info.cbSize=sizeof(info);
+ res=GetMonitorInfo(mon,(LPMONITORINFO)&info);
+ if( res )
+ {
+ if( strcmp(dp->name,info.szDevice)==0 )
+ {
+ *(dp->x)=info.rcMonitor.left;
+ *(dp->y)=info.rcMonitor.top;
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/*
+ * this function returns the origin of the screen identified by
+ * fgDisplay.DisplayName, and 0 otherwise.
+ * This is used in fgOpenWindow to open the gamemode window on the screen
+ * identified by the -display command line argument. The function should
+ * not be called otherwise.
+ */
+
+static void get_display_origin(int *xp,int *yp)
+{
+ *xp = 0;
+ *yp = 0;
+
+ if( fgDisplay.DisplayName )
+ {
+ m_proc_t st;
+ st.x=xp;
+ st.y=yp;
+ st.name=fgDisplay.DisplayName;
+ EnumDisplayMonitors(0,0,m_proc,(LPARAM)&st);
+ }
+}
+#else
+#pragma message( "-display parameter only works if compiled with WINVER >= 0x0500")
+
+static void get_display_origin(int *xp,int *yp)
+{
+ *xp = 0;
+ *yp = 0;
+
+ if( fgDisplay.DisplayName )
+ {
+ fgWarning( "for working -display support FreeGLUT must be compiled with WINVER >= 0x0500");
+ }
+}
+#endif
+#endif
+
+
+#if TARGET_HOST_POSIX_X11
+static Bool fghWindowIsVisible( Display *display, XEvent *event, XPointer arg)
+{
+ Window window = (Window)arg;
+ return (event->type == MapNotify) && (event->xmap.window == window);
+}
+#endif
+
/*
* Opens a window. Requires a SFG_Window object created and attached
GLboolean gameMode, GLboolean isSubWindow )
{
#if TARGET_HOST_POSIX_X11
- XVisualInfo * visualInfo;
+ XVisualInfo * visualInfo = NULL;
XSetWindowAttributes winAttr;
XTextProperty textProperty;
XSizeHints sizeHints;
XWMHints wmHints;
+ XEvent eventReturnBuffer; /* return buffer required for a call */
unsigned long mask;
- int renderType; /* GLX_RGBA_TYPE or GLX_COLOR_INDEX_TYPE */
+ int num_FBConfigs, i;
unsigned int current_DisplayMode = fgState.DisplayMode ;
/* Save the display mode if we are creating a menu window */
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ;
- window->Window.FBConfig = fgChooseFBConfig( );
+ window->Window.FBConfig = fgChooseFBConfig( &num_FBConfigs );
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
fgState.DisplayMode = current_DisplayMode ;
if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
{
fgState.DisplayMode |= GLUT_DOUBLE ;
- window->Window.FBConfig = fgChooseFBConfig( );
+ window->Window.FBConfig = fgChooseFBConfig( &num_FBConfigs );
fgState.DisplayMode &= ~GLUT_DOUBLE;
}
if( fgState.DisplayMode & GLUT_MULTISAMPLE )
{
fgState.DisplayMode &= ~GLUT_MULTISAMPLE ;
- window->Window.FBConfig = fgChooseFBConfig( );
+ window->Window.FBConfig = fgChooseFBConfig( &num_FBConfigs );
fgState.DisplayMode |= GLUT_MULTISAMPLE;
}
}
"FBConfig with necessary capabilities not found", "fgOpenWindow" );
/* Get the X visual. */
- visualInfo = glXGetVisualFromFBConfig( fgDisplay.Display,
- *(window->Window.FBConfig) );
+ for (i = 0; i < num_FBConfigs; i++) {
+ visualInfo = glXGetVisualFromFBConfig( fgDisplay.Display,
+ window->Window.FBConfig[i] );
+ if (visualInfo)
+ break;
+ }
+
+ FREEGLUT_INTERNAL_ERROR_EXIT( visualInfo != NULL,
+ "visualInfo could not be retrieved from FBConfig", "fgOpenWindow" );
/*
* XXX HINT: the masks should be updated when adding/removing callbacks.
* or else use the current context if the user has so specified
*/
- /* Set renderType. */
- if( window->IsMenu && ( ! fgStructure.MenuContext ) )
- {
- /* Display mode has been set to GLUT_RGB. */
- renderType = GLX_RGBA_TYPE;
- }
- else if (fgState.DisplayMode & GLUT_INDEX)
- {
- renderType = GLX_COLOR_INDEX_TYPE;
- }
- else
- {
- renderType = GLX_RGBA_TYPE;
- }
-
if( window->IsMenu )
{
/*
{
fgStructure.MenuContext =
(SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
- fgStructure.MenuContext->Context = glXCreateNewContext(
- fgDisplay.Display, *(window->Window.FBConfig), renderType,
- NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
- );
+ fgStructure.MenuContext->MContext = fghCreateNewContext( window );
}
/* window->Window.Context = fgStructure.MenuContext->MContext; */
- window->Window.Context = glXCreateContext(
- fgDisplay.Display, window->Window.FBConfig, renderType,
- NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
- );
+ window->Window.Context = fghCreateNewContext( window );
}
else if( fgState.UseCurrentContext )
{
window->Window.Context = glXGetCurrentContext( );
if( ! window->Window.Context )
- window->Window.Context = glXCreateNewContext(
- fgDisplay.Display, window->Window.FBConfig, renderType,
- NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
- );
+ window->Window.Context = fghCreateNewContext( window );
}
else
- window->Window.Context = glXCreateNewContext(
- fgDisplay.Display, window->Window.FBConfig, renderType,
- NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
- );
+ window->Window.Context = fghCreateNewContext( window );
#if !defined( __FreeBSD__ ) && !defined( __NetBSD__ )
if( !glXIsDirect( fgDisplay.Display, window->Window.Context ) )
if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT )
fgError( "Unable to force direct context rendering for window '%s'",
title );
- else if( fgState.DirectContext == GLUT_TRY_DIRECT_CONTEXT )
- fgWarning( "Unable to create direct context rendering for window '%s'\nThis may hurt performance.",
- title );
}
#endif
window->Window.Context
);
+ /* register extension events _before_ window is mapped */
+ #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
+ fgRegisterDevices( fgDisplay.Display, &(window->Window.Handle) );
+ #endif
+
XMapWindow( fgDisplay.Display, window->Window.Handle );
XFree(visualInfo);
+ if( !isSubWindow)
+ XPeekIfEvent( fgDisplay.Display, &eventReturnBuffer, &fghWindowIsVisible, (XPointer)(window->Window.Handle) );
+
#elif TARGET_HOST_MS_WINDOWS
WNDCLASS wc;
- DWORD flags;
+ DWORD flags = 0;
DWORD exFlags = 0;
ATOM atom;
- int WindowStyle = 0;
/* Grab the window class we have registered on glutInit(): */
atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found",
"fgOpenWindow" );
+ /* Determine window style flags*/
if( gameMode )
{
FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL,
}
else
{
- int worig = w, horig = h;
-
-#if !defined(_WIN32_WCE)
- if ( ( ! isSubWindow ) && ( ! window->IsMenu ) )
- {
- /*
- * Update the window dimensions, taking account of window
- * decorations. "freeglut" is to create the window with the
- * outside of its border at (x,y) and with dimensions (w,h).
- */
- w += (GetSystemMetrics( SM_CXSIZEFRAME ) )*2;
- h += (GetSystemMetrics( SM_CYSIZEFRAME ) )*2 +
- GetSystemMetrics( SM_CYCAPTION );
- }
-#endif /* defined(_WIN32_WCE) */
-
- if( ! positionUse )
- {
- x = CW_USEDEFAULT;
- y = CW_USEDEFAULT;
- }
- /* setting State.Width/Height to call resize callback later */
- if( ! sizeUse )
- {
- if( ! window->IsMenu )
- {
- w = CW_USEDEFAULT;
- h = CW_USEDEFAULT;
- }
- else /* fail safe - Windows can make a window of size (0, 0) */
- w = h = 300; /* default window size */
- window->State.Width = window->State.Height = -1;
- }
- else
- {
- window->State.Width = worig;
- window->State.Height = horig;
- }
+ flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
/*
* There's a small difference between creating the top, child and
- * game mode windows
+ * menu windows
*/
- flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
-
if ( window->IsMenu )
{
flags |= WS_POPUP;
exFlags |= WS_EX_TOOLWINDOW;
}
-#if !defined(_WIN32_WCE)
+#if defined(_WIN32_WCE)
+ /* no decorations for windows CE */
+#else
+ /* if this is not a subwindow (child), set its style based on the requested display mode */
else if( window->Parent == NULL )
- flags |= WS_OVERLAPPEDWINDOW;
+ if ( fgState.DisplayMode & GLUT_BORDERLESS )
+ {
+ /* no window decorations needed */
+ }
+ else if ( fgState.DisplayMode & GLUT_CAPTIONLESS )
+ /* only window decoration is a border, no title bar or buttons */
+ flags |= WS_DLGFRAME;
+ else
+ /* window decoration are a border, title bar and buttons.
+ * NB: we later query whether the window has a title bar or
+ * not by testing for the maximize button, as the test for
+ * WS_CAPTION can be true without the window having a title
+ * bar. This style WS_OVERLAPPEDWINDOW gives you a maximize
+ * button. */
+ flags |= WS_OVERLAPPEDWINDOW;
#endif
else
+ /* subwindows always have no decoration, but are marked as a child window to the OS */
flags |= WS_CHILD;
}
+ /* determine window size and position */
+ if( gameMode )
+ {
+ /* if in gamemode, query the origin of specified by the -display
+ * command line parameter (if any) and offset the upper-left corner
+ * of the window so we create the window on that screen.
+ * The -display argument doesn't do anything if not trying to enter
+ * gamemode.
+ */
+ int xoff=0, yoff=0;
+ get_display_origin(&xoff,&yoff);
+ x += xoff;
+ y += yoff;
+ }
+ if( !positionUse )
+ {
+ x = CW_USEDEFAULT;
+ y = CW_USEDEFAULT;
+ }
+ if( !sizeUse )
+ {
+ if( ! window->IsMenu )
+ {
+ w = CW_USEDEFAULT;
+ h = CW_USEDEFAULT;
+ }
+ else /* fail safe - Windows can make a window of size (0, 0) */
+ w = h = 300; /* default window size */
+ }
+ /* store requested client area width and height */
+ window->State.Width = w;
+ window->State.Height = h;
+
+#if !defined(_WIN32_WCE) /* no decorations for windows CE */
+ if( sizeUse )
+ {
+ RECT windowRect;
+ /*
+ * Update the window dimensions, taking the window decorations
+ * into account. FreeGLUT is to create the window with the
+ * topleft outside corner at (x,y) and with client area
+ * dimensions (w,h).
+ * note: don't need to do this when w=h=CW_USEDEFAULT, so in the
+ * if( sizeUse ) here is convenient.
+ */
+ windowRect.left = x;
+ windowRect.top = y;
+ windowRect.right = x+w;
+ windowRect.bottom = y+h;
+
+ fghComputeWindowRectFromClientArea_UseStyle(flags,&windowRect,TRUE);
+
+ w = windowRect.right - windowRect.left;
+ h = windowRect.bottom- windowRect.top;
+ }
+#endif /* !defined(_WIN32_WCE) */
+
#if defined(_WIN32_WCE)
{
wchar_t* wstr = fghWstrFromStr(title);
if( !( window->Window.Handle ) )
fgError( "Failed to create a window (%s)!", title );
+#if !defined(_WIN32_WCE)
+ /* Need to set requested style again, apparently Windows doesn't listen when requesting windows without title bar or borders */
+ SetWindowLong(window->Window.Handle, GWL_STYLE, flags);
+ SetWindowPos(window->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
+#endif /* defined(_WIN32_WCE) */
+
/* Make a menu window always on top - fix Feature Request 947118 */
if( window->IsMenu || gameMode )
SetWindowPos(
SWP_NOMOVE | SWP_NOSIZE
);
- /* Hack to remove the caption (title bar) and/or border
- * and all the system menu controls.
- */
- WindowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
- if ( fgState.DisplayMode & GLUT_CAPTIONLESS )
- {
- SetWindowLong ( window->Window.Handle, GWL_STYLE,
- WindowStyle & ~(WS_DLGFRAME | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX));
- }
- else if ( fgState.DisplayMode & GLUT_BORDERLESS )
- {
- SetWindowLong ( window->Window.Handle, GWL_STYLE,
- WindowStyle & ~(WS_BORDER | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX));
- }
-//SetWindowPos(window->Window.Handle, NULL, 0, 0, 0, 0,
-// SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
-
+ /* Enable multitouch: additional flag TWF_FINETOUCH, TWF_WANTPALM */
+ #ifdef WM_TOUCH
+ if (fghRegisterTouchWindow == (pRegisterTouchWindow)0xDEADBEEF)
+ fghRegisterTouchWindow = (pRegisterTouchWindow)GetProcAddress(GetModuleHandle("user32"),"RegisterTouchWindow");
+ if (fghRegisterTouchWindow)
+ fghRegisterTouchWindow( window->Window.Handle, TWF_FINETOUCH | TWF_WANTPALM );
+ #endif
#if defined(_WIN32_WCE)
ShowWindow( window->Window.Handle, SW_SHOW );
*/
void fgCloseWindow( SFG_Window* window )
{
+ /* if we're in gamemode and we're closing the gamemode window,
+ * call glutLeaveGameMode first to make sure the gamemode is
+ * properly closed before closing the window
+ */
+ if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==window->ID)
+ glutLeaveGameMode();
+
#if TARGET_HOST_POSIX_X11
- glXDestroyContext( fgDisplay.Display, window->Window.Context );
- XFree( window->Window.VisualInfo );
- XDestroyWindow( fgDisplay.Display, window->Window.Handle );
- XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
+ if( window->Window.Context )
+ glXDestroyContext( fgDisplay.Display, window->Window.Context );
+ XFree( window->Window.FBConfig );
+
+ if( window->Window.Handle ) {
+ XDestroyWindow( fgDisplay.Display, window->Window.Handle );
+ }
+ /* XFlush( fgDisplay.Display ); */ /* XXX Shouldn't need this */
#elif TARGET_HOST_MS_WINDOWS
GL_FALSE, GL_FALSE )->ID;
}
+#if TARGET_HOST_MS_WINDOWS
+int FGAPIENTRY __glutCreateWindowWithExit( const char *title, void (__cdecl *exit_function)(int) )
+{
+ __glutExitFunc = exit_function;
+ return glutCreateWindow( title );
+}
+#endif
+
/*
* This function creates a sub window.
*/
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutReshapeWindow" );
+ if (glutGet(GLUT_FULL_SCREEN))
+ {
+ /* Leave full screen state before resizing. */
+ glutLeaveFullScreen();
+ }
+
fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE;
fgStructure.CurrentWindow->State.Width = width ;
fgStructure.CurrentWindow->State.Height = height;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPositionWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPositionWindow" );
+ if (glutGet(GLUT_FULL_SCREEN))
+ {
+ /* Leave full screen state before moving. */
+ glutLeaveFullScreen();
+ }
+
#if TARGET_HOST_POSIX_X11
XMoveWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle,
*/
void FGAPIENTRY glutFullScreen( void )
{
+ SFG_Window *win;
+
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" );
+ win = fgStructure.CurrentWindow;
+
+ if (win->Parent)
{
+ /* Child windows cannot be made fullscreen, consistent with GLUT's behavior
+ * Also, what would it mean for a child window to be fullscreen, given that it
+ * is confined to its parent?
+ */
+ fgWarning("glutFullScreen called on a child window, ignoring...");
+ return;
+ }
+ else if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==win->ID)
+ {
+ /* Ignore fullscreen call on GameMode window, those are always fullscreen already */
+ return;
+ }
+
#if TARGET_HOST_POSIX_X11
- int x, y;
- Window w;
+ if(!glutGet(GLUT_FULL_SCREEN)) {
+ if(fghToggleFullscreen() != -1) {
+ win->State.IsFullscreen = GL_TRUE;
+ }
+ }
- XMoveResizeWindow(
- fgDisplay.Display,
- fgStructure.CurrentWindow->Window.Handle,
- 0, 0,
- fgDisplay.ScreenWidth,
- fgDisplay.ScreenHeight
- );
+#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */
- XFlush( fgDisplay.Display ); /* This is needed */
+ if (glutGet(GLUT_FULL_SCREEN))
+ {
+ /* Leave full screen state before entering fullscreen again (resizing?) */
+ glutLeaveFullScreen();
+ }
- XTranslateCoordinates(
- fgDisplay.Display,
- fgStructure.CurrentWindow->Window.Handle,
- fgDisplay.RootWindow,
- 0, 0, &x, &y, &w
- );
+ {
+#if(WINVER >= 0x0500) /* Windows 2000 or later */
+ DWORD s;
+ RECT rect;
+ HMONITOR hMonitor;
+ MONITORINFO mi;
- if (x || y)
- {
- XMoveWindow(
- fgDisplay.Display,
- fgStructure.CurrentWindow->Window.Handle,
- -x, -y
- );
- XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
- }
-#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */
+ /* For fullscreen mode, first remove all window decoration
+ * and set style to popup so it will overlap the taskbar
+ * then force to maximize on the screen on which it has the most
+ * overlap.
+ */
+
+
+ /* store current window rect */
+ GetWindowRect( win->Window.Handle, &win->State.OldRect );
+
+ /* store current window style */
+ win->State.OldStyle = s = GetWindowLong(win->Window.Handle, GWL_STYLE);
+
+ /* remove decorations from style and add popup style*/
+ s &= ~WS_OVERLAPPEDWINDOW;
+ s |= WS_POPUP;
+ SetWindowLong(win->Window.Handle, GWL_STYLE, s);
+ SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
+
+ /* For fullscreen mode, find the monitor that is covered the most
+ * by the window and get its rect as the resize target.
+ */
+ hMonitor= MonitorFromRect(&win->State.OldRect, MONITOR_DEFAULTTONEAREST);
+ mi.cbSize = sizeof(mi);
+ GetMonitorInfo(hMonitor, &mi);
+ rect = mi.rcMonitor;
+#else /* if (WINVER >= 0x0500) */
RECT rect;
/* For fullscreen mode, force the top-left corner to 0,0
AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS |
WS_CLIPCHILDREN, FALSE );
+#endif /* (WINVER >= 0x0500) */
/*
+ * then resize window
* SWP_NOACTIVATE Do not activate the window
* SWP_NOOWNERZORDER Do not change position in z-order
- * SWP_NOSENDCHANGING Supress WM_WINDOWPOSCHANGING message
+ * SWP_NOSENDCHANGING Suppress WM_WINDOWPOSCHANGING message
* SWP_NOZORDER Retains the current Z order (ignore 2nd param)
*/
-
SetWindowPos( fgStructure.CurrentWindow->Window.Handle,
HWND_TOP,
rect.left,
SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
SWP_NOZORDER
);
+
+ win->State.IsFullscreen = GL_TRUE;
+ }
+#endif
+}
+
+/*
+ * If we are fullscreen, resize the current window back to its original size
+ */
+void FGAPIENTRY glutLeaveFullScreen( void )
+{
+ SFG_Window *win;
+
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" );
+ FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" );
+
+ win = fgStructure.CurrentWindow;
+
+#if TARGET_HOST_POSIX_X11
+ if(glutGet(GLUT_FULL_SCREEN)) {
+ if(fghToggleFullscreen() != -1) {
+ win->State.IsFullscreen = GL_FALSE;
+ }
+ }
+
+#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */
+ if (!glutGet(GLUT_FULL_SCREEN))
+ {
+ /* nothing to do */
+ return;
+ }
+
+ /* restore style of window before making it fullscreen */
+ SetWindowLong(win->Window.Handle, GWL_STYLE, win->State.OldStyle);
+ SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
+
+ /* Then resize */
+ SetWindowPos(win->Window.Handle,
+ HWND_TOP,
+ win->State.OldRect.left,
+ win->State.OldRect.top,
+ win->State.OldRect.right - win->State.OldRect.left,
+ win->State.OldRect.bottom - win->State.OldRect.top,
+ SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
+ SWP_NOZORDER
+ );
+
+ win->State.IsFullscreen = GL_FALSE;
#endif
+}
+
+/*
+ * Toggle the window's full screen state.
+ */
+void FGAPIENTRY glutFullScreenToggle( void )
+{
+ SFG_Window *win;
+
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreenToggle" );
+ FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreenToggle" );
+
+ win = fgStructure.CurrentWindow;
+
+#if TARGET_HOST_POSIX_X11
+ if(fghToggleFullscreen() != -1) {
+ win->State.IsFullscreen = !win->State.IsFullscreen;
}
+#elif TARGET_HOST_MS_WINDOWS
+ if (!win->State.IsFullscreen)
+ glutFullScreen();
+ else
+ glutLeaveFullScreen();
+#endif
}
/*