Splitting some Windows-specific "freeglut_window.c" functions into their own file
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1002 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
fayjf
parent
00b83f5488
commit
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@ -89,58 +89,6 @@
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#endif /* TARGET_HOST_POSIX_X11 */
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#endif /* TARGET_HOST_POSIX_X11 */
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#if TARGET_HOST_MS_WINDOWS
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/* The following include file is available from SGI but is not standard:
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* #include <GL/wglext.h>
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* So we copy the necessary parts out of it.
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* XXX: should local definitions for extensions be put in a separate include file?
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*/
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typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
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typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
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#define WGL_DRAW_TO_WINDOW_ARB 0x2001
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#define WGL_ACCELERATION_ARB 0x2003
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#define WGL_SUPPORT_OPENGL_ARB 0x2010
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#define WGL_DOUBLE_BUFFER_ARB 0x2011
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#define WGL_COLOR_BITS_ARB 0x2014
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#define WGL_ALPHA_BITS_ARB 0x201B
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#define WGL_DEPTH_BITS_ARB 0x2022
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#define WGL_STENCIL_BITS_ARB 0x2023
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#define WGL_FULL_ACCELERATION_ARB 0x2027
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#define WGL_SAMPLE_BUFFERS_ARB 0x2041
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#define WGL_SAMPLES_ARB 0x2042
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#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0
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#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
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#ifndef WGL_ARB_create_context
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#define WGL_ARB_create_context 1
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#ifdef WGL_WGLEXT_PROTOTYPES
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extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *);
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#endif /* WGL_WGLEXT_PROTOTYPES */
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typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
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#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
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#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
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#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
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#define WGL_CONTEXT_FLAGS_ARB 0x2094
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#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
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#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
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#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
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#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
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#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
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#define ERROR_INVALID_VERSION_ARB 0x2095
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#define ERROR_INVALID_PROFILE_ARB 0x2096
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#endif
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#endif /* TARGET_HOST_MS_WINDOWS */
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#ifdef WM_TOUCH
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#ifdef WM_TOUCH
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typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG);
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typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG);
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static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF;
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static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF;
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@ -173,21 +121,29 @@ typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShar
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* glutPopWindow() -- check the Win32 version
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* glutPopWindow() -- check the Win32 version
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*/
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*/
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extern void fgPlatformSetWindow ( SFG_Window *window );
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extern void fgPlatformOpenWindow( SFG_Window* window, const char* title,
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GLboolean positionUse, int x, int y,
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GLboolean sizeUse, int w, int h,
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GLboolean gameMode, GLboolean isSubWindow );
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extern void fgPlatformCloseWindow( SFG_Window* window );
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/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
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/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
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static int fghIsLegacyContextVersionRequested( void )
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int fghIsLegacyContextVersionRequested( void )
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{
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{
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return fgState.MajorVersion < 2 || (fgState.MajorVersion == 2 && fgState.MinorVersion <= 1);
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return fgState.MajorVersion < 2 || (fgState.MajorVersion == 2 && fgState.MinorVersion <= 1);
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}
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}
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static int fghIsLegacyContextRequested( void )
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int fghIsLegacyContextRequested( void )
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{
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{
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return fghIsLegacyContextVersionRequested() &&
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return fghIsLegacyContextVersionRequested() &&
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fgState.ContextFlags == 0 &&
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fgState.ContextFlags == 0 &&
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fgState.ContextProfile == 0;
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fgState.ContextProfile == 0;
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}
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}
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static int fghNumberOfAuxBuffersRequested( void )
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int fghNumberOfAuxBuffersRequested( void )
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{
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{
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if ( fgState.DisplayMode & GLUT_AUX4 ) {
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if ( fgState.DisplayMode & GLUT_AUX4 ) {
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return 4;
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return 4;
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@ -204,13 +160,13 @@ static int fghNumberOfAuxBuffersRequested( void )
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return 0;
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return 0;
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}
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}
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static int fghMapBit( int mask, int from, int to )
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int fghMapBit( int mask, int from, int to )
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{
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{
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return ( mask & from ) ? to : 0;
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return ( mask & from ) ? to : 0;
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}
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}
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static void fghContextCreationError( void )
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void fghContextCreationError( void )
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{
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{
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fgError( "Unable to create OpenGL %d.%d context (flags %x, profile %x)",
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fgError( "Unable to create OpenGL %d.%d context (flags %x, profile %x)",
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fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags,
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fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags,
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@ -548,279 +504,8 @@ static int fghToggleFullscreen(void)
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return -1;
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return -1;
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}
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}
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void fgPlatformSetWindow ( SFG_Window *window )
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#endif /* TARGET_HOST_POSIX_X11 */
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#if TARGET_HOST_MS_WINDOWS
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/*
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* Setup the pixel format for a Win32 window
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*/
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#if defined(_WIN32_WCE)
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static wchar_t* fghWstrFromStr(const char* str)
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{
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{
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int i,len=strlen(str);
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wchar_t* wstr = (wchar_t*)malloc(2*len+2);
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for(i=0; i<len; i++)
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wstr[i] = str[i];
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wstr[len] = 0;
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return wstr;
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}
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#endif /* defined(_WIN32_WCE) */
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static void fghFillContextAttributes( int *attributes ) {
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int where = 0, contextFlags, contextProfile;
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if ( !fghIsLegacyContextVersionRequested() ) {
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ATTRIB_VAL( WGL_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
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ATTRIB_VAL( WGL_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
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}
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contextFlags =
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fghMapBit( fgState.ContextFlags, GLUT_DEBUG, WGL_CONTEXT_DEBUG_BIT_ARB ) |
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fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
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if ( contextFlags != 0 ) {
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ATTRIB_VAL( WGL_CONTEXT_FLAGS_ARB, contextFlags );
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}
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contextProfile =
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fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, WGL_CONTEXT_CORE_PROFILE_BIT_ARB ) |
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fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
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if ( contextProfile != 0 ) {
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ATTRIB_VAL( WGL_CONTEXT_PROFILE_MASK_ARB, contextProfile );
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}
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ATTRIB( 0 );
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}
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static int fghIsExtensionSupported( HDC hdc, const char *extension ) {
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const char *pWglExtString;
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PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB =
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(PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB");
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if ( wglGetEntensionsStringARB == NULL )
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{
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return FALSE;
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}
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pWglExtString = wglGetEntensionsStringARB( hdc );
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return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL );
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}
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void fgNewWGLCreateContext( SFG_Window* window )
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{
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HGLRC context;
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int attributes[9];
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PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
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/* If nothing fancy has been required, leave the context as it is */
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if ( fghIsLegacyContextRequested() )
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{
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return;
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}
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wglMakeCurrent( window->Window.Device, window->Window.Context );
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if ( !fghIsExtensionSupported( window->Window.Device, "WGL_ARB_create_context" ) )
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{
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return;
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}
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/* new context creation */
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fghFillContextAttributes( attributes );
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wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
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if ( wglCreateContextAttribsARB == NULL )
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{
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fgError( "wglCreateContextAttribsARB not found" );
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}
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context = wglCreateContextAttribsARB( window->Window.Device, 0, attributes );
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if ( context == NULL )
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{
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fghContextCreationError();
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}
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wglMakeCurrent( NULL, NULL );
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wglDeleteContext( window->Window.Context );
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window->Window.Context = context;
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}
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#if !defined(_WIN32_WCE)
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static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type )
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{
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int flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
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if ( fgState.DisplayMode & GLUT_DOUBLE ) {
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flags |= PFD_DOUBLEBUFFER;
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}
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if ( fgState.DisplayMode & GLUT_STEREO ) {
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flags |= PFD_STEREO;
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}
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#if defined(_MSC_VER)
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#pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
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#endif
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/* Specify which pixel format do we opt for... */
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ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
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ppfd->nVersion = 1;
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ppfd->dwFlags = flags;
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if( fgState.DisplayMode & GLUT_INDEX ) {
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ppfd->iPixelType = PFD_TYPE_COLORINDEX;
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ppfd->cRedBits = 0;
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ppfd->cGreenBits = 0;
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ppfd->cBlueBits = 0;
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ppfd->cAlphaBits = 0;
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} else {
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ppfd->iPixelType = PFD_TYPE_RGBA;
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ppfd->cRedBits = 8;
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ppfd->cGreenBits = 8;
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ppfd->cBlueBits = 8;
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ppfd->cAlphaBits = ( fgState.DisplayMode & GLUT_ALPHA ) ? 8 : 0;
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}
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ppfd->cColorBits = 24;
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ppfd->cRedShift = 0;
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ppfd->cGreenShift = 0;
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ppfd->cBlueShift = 0;
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ppfd->cAlphaShift = 0;
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ppfd->cAccumBits = ( fgState.DisplayMode & GLUT_ACCUM ) ? 1 : 0;
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ppfd->cAccumRedBits = 0;
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ppfd->cAccumGreenBits = 0;
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ppfd->cAccumBlueBits = 0;
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ppfd->cAccumAlphaBits = 0;
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/* Hmmm, or 32/0 instead of 24/8? */
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ppfd->cDepthBits = 24;
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ppfd->cStencilBits = 8;
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ppfd->cAuxBuffers = fghNumberOfAuxBuffersRequested();
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ppfd->iLayerType = layer_type;
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ppfd->bReserved = 0;
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ppfd->dwLayerMask = 0;
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ppfd->dwVisibleMask = 0;
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ppfd->dwDamageMask = 0;
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ppfd->cColorBits = (BYTE) GetDeviceCaps( hdc, BITSPIXEL );
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}
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static void fghFillPixelFormatAttributes( int *attributes, const PIXELFORMATDESCRIPTOR *ppfd )
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{
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int where = 0;
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ATTRIB_VAL( WGL_DRAW_TO_WINDOW_ARB, GL_TRUE );
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ATTRIB_VAL( WGL_SUPPORT_OPENGL_ARB, GL_TRUE );
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ATTRIB_VAL( WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB );
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ATTRIB_VAL( WGL_COLOR_BITS_ARB, ppfd->cColorBits );
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ATTRIB_VAL( WGL_ALPHA_BITS_ARB, ppfd->cAlphaBits );
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ATTRIB_VAL( WGL_DEPTH_BITS_ARB, ppfd->cDepthBits );
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ATTRIB_VAL( WGL_STENCIL_BITS_ARB, ppfd->cStencilBits );
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ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 );
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if ( fgState.DisplayMode & GLUT_SRGB ) {
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ATTRIB_VAL( WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, TRUE );
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}
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ATTRIB_VAL( WGL_SAMPLE_BUFFERS_ARB, GL_TRUE );
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ATTRIB_VAL( WGL_SAMPLES_ARB, fgState.SampleNumber );
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ATTRIB( 0 );
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}
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#endif
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GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
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unsigned char layer_type )
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{
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#if defined(_WIN32_WCE)
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return GL_TRUE;
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#else
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PIXELFORMATDESCRIPTOR pfd;
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PIXELFORMATDESCRIPTOR* ppfd = &pfd;
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int pixelformat;
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HDC current_hDC;
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GLboolean success;
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if (checkOnly)
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current_hDC = CreateDC(TEXT("DISPLAY"), NULL ,NULL ,NULL);
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else
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current_hDC = window->Window.Device;
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fghFillPFD( ppfd, current_hDC, layer_type );
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pixelformat = ChoosePixelFormat( current_hDC, ppfd );
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/* windows hack for multismapling/sRGB */
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if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) ||
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( fgState.DisplayMode & GLUT_SRGB ) )
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{
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HGLRC rc, rc_before=wglGetCurrentContext();
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HWND hWnd;
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HDC hDC, hDC_before=wglGetCurrentDC();
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WNDCLASS wndCls;
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/* create a dummy window */
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ZeroMemory(&wndCls, sizeof(wndCls));
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wndCls.lpfnWndProc = DefWindowProc;
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wndCls.hInstance = fgDisplay.Instance;
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wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
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wndCls.lpszClassName = _T("FREEGLUT_dummy");
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RegisterClass( &wndCls );
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hWnd=CreateWindow(_T("FREEGLUT_dummy"), _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 );
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hDC=GetDC(hWnd);
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SetPixelFormat( hDC, pixelformat, ppfd );
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rc = wglCreateContext( hDC );
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wglMakeCurrent(hDC, rc);
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if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) )
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{
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|
||||||
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc =
|
|
||||||
(PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB");
|
|
||||||
if ( wglChoosePixelFormatARBProc )
|
|
||||||
{
|
|
||||||
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 )
|
|
||||||
{
|
|
||||||
pixelformat = iPixelFormat;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
wglMakeCurrent( hDC_before, rc_before);
|
|
||||||
wglDeleteContext(rc);
|
|
||||||
ReleaseDC(hWnd, hDC);
|
|
||||||
DestroyWindow(hWnd);
|
|
||||||
UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
|
|
||||||
}
|
|
||||||
|
|
||||||
success = ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( current_hDC, pixelformat, ppfd ) );
|
|
||||||
|
|
||||||
if (checkOnly)
|
|
||||||
DeleteDC(current_hDC);
|
|
||||||
|
|
||||||
return success;
|
|
||||||
#endif /* defined(_WIN32_WCE) */
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif /* TARGET_HOST_MS_WINDOWS */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Sets the OpenGL context and the fgStructure "Current Window" pointer to
|
|
||||||
* the window structure passed in.
|
|
||||||
*/
|
|
||||||
void fgSetWindow ( SFG_Window *window )
|
|
||||||
{
|
|
||||||
#if TARGET_HOST_POSIX_X11
|
|
||||||
if ( window )
|
if ( window )
|
||||||
{
|
{
|
||||||
glXMakeContextCurrent(
|
glXMakeContextCurrent(
|
||||||
@ -830,270 +515,18 @@ void fgSetWindow ( SFG_Window *window )
|
|||||||
window->Window.Context
|
window->Window.Context
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
#elif TARGET_HOST_MS_WINDOWS
|
|
||||||
if ( window != fgStructure.CurrentWindow )
|
|
||||||
{
|
|
||||||
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
|
* Opens a window. Requires a SFG_Window object created and attached
|
||||||
* to the freeglut structure. OpenGL context is created here.
|
* to the freeglut structure. OpenGL context is created here.
|
||||||
*/
|
*/
|
||||||
void fgOpenWindow( SFG_Window* window, const char* title,
|
void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
||||||
GLboolean positionUse, int x, int y,
|
GLboolean positionUse, int x, int y,
|
||||||
GLboolean sizeUse, int w, int h,
|
GLboolean sizeUse, int w, int h,
|
||||||
GLboolean gameMode, GLboolean isSubWindow )
|
GLboolean gameMode, GLboolean isSubWindow )
|
||||||
{
|
{
|
||||||
#if TARGET_HOST_POSIX_X11
|
|
||||||
XVisualInfo * visualInfo = NULL;
|
XVisualInfo * visualInfo = NULL;
|
||||||
XSetWindowAttributes winAttr;
|
XSetWindowAttributes winAttr;
|
||||||
XTextProperty textProperty;
|
XTextProperty textProperty;
|
||||||
@ -1300,203 +733,61 @@ void fgOpenWindow( SFG_Window* window, const char* title,
|
|||||||
|
|
||||||
if( !isSubWindow)
|
if( !isSubWindow)
|
||||||
XPeekIfEvent( fgDisplay.Display, &eventReturnBuffer, &fghWindowIsVisible, (XPointer)(window->Window.Handle) );
|
XPeekIfEvent( fgDisplay.Display, &eventReturnBuffer, &fghWindowIsVisible, (XPointer)(window->Window.Handle) );
|
||||||
|
}
|
||||||
|
|
||||||
#elif TARGET_HOST_MS_WINDOWS
|
|
||||||
|
|
||||||
WNDCLASS wc;
|
/*
|
||||||
DWORD flags = 0;
|
* Closes a window, destroying the frame and OpenGL context
|
||||||
DWORD exFlags = 0;
|
*/
|
||||||
ATOM atom;
|
void fgPlatformCloseWindow( SFG_Window* window )
|
||||||
|
{
|
||||||
|
if( window->Window.Context )
|
||||||
|
glXDestroyContext( fgDisplay.Display, window->Window.Context );
|
||||||
|
XFree( window->Window.FBConfig );
|
||||||
|
|
||||||
/* Grab the window class we have registered on glutInit(): */
|
if( window->Window.Handle ) {
|
||||||
atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
|
XDestroyWindow( fgDisplay.Display, window->Window.Handle );
|
||||||
FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found",
|
|
||||||
"fgOpenWindow" );
|
|
||||||
|
|
||||||
/* Determine window style flags*/
|
|
||||||
if( gameMode )
|
|
||||||
{
|
|
||||||
FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL,
|
|
||||||
"Game mode being invoked on a subwindow",
|
|
||||||
"fgOpenWindow" );
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Set the window creation flags appropriately to make the window
|
|
||||||
* entirely visible:
|
|
||||||
*/
|
|
||||||
flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
|
|
||||||
}
|
}
|
||||||
else
|
/* XFlush( fgDisplay.Display ); */ /* XXX Shouldn't need this */
|
||||||
{
|
}
|
||||||
flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
|
|
||||||
|
|
||||||
/*
|
#endif /* TARGET_HOST_POSIX_X11 */
|
||||||
* There's a small difference between creating the top, child and
|
|
||||||
* menu windows
|
|
||||||
*/
|
/*
|
||||||
if ( window->IsMenu )
|
* Sets the OpenGL context and the fgStructure "Current Window" pointer to
|
||||||
{
|
* the window structure passed in.
|
||||||
flags |= WS_POPUP;
|
*/
|
||||||
exFlags |= WS_EX_TOOLWINDOW;
|
void fgSetWindow ( SFG_Window *window )
|
||||||
}
|
{
|
||||||
#if defined(_WIN32_WCE)
|
fgPlatformSetWindow ( window );
|
||||||
/* no decorations for windows CE */
|
|
||||||
#else
|
fgStructure.CurrentWindow = window;
|
||||||
/* if this is not a subwindow (child), set its style based on the requested display mode */
|
}
|
||||||
else if( window->Parent == NULL )
|
|
||||||
if ( fgState.DisplayMode & GLUT_BORDERLESS )
|
|
||||||
{
|
#if TARGET_HOST_POSIX_X11
|
||||||
/* no window decorations needed */
|
static Bool fghWindowIsVisible( Display *display, XEvent *event, XPointer arg)
|
||||||
}
|
{
|
||||||
else if ( fgState.DisplayMode & GLUT_CAPTIONLESS )
|
Window window = (Window)arg;
|
||||||
/* only window decoration is a border, no title bar or buttons */
|
return (event->type == MapNotify) && (event->xmap.window == window);
|
||||||
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
|
#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 )
|
* Opens a window. Requires a SFG_Window object created and attached
|
||||||
{
|
* to the freeglut structure. OpenGL context is created here.
|
||||||
RECT windowRect;
|
*/
|
||||||
/*
|
void fgOpenWindow( SFG_Window* window, const char* title,
|
||||||
* Update the window dimensions, taking the window decorations
|
GLboolean positionUse, int x, int y,
|
||||||
* into account. FreeGLUT is to create the window with the
|
GLboolean sizeUse, int w, int h,
|
||||||
* topleft outside corner at (x,y) and with client area
|
GLboolean gameMode, GLboolean isSubWindow )
|
||||||
* dimensions (w,h).
|
{
|
||||||
* note: don't need to do this when w=h=CW_USEDEFAULT, so in the
|
fgPlatformOpenWindow( window, title,
|
||||||
* if( sizeUse ) here is convenient.
|
positionUse, x, y,
|
||||||
*/
|
sizeUse, w, h,
|
||||||
windowRect.left = x;
|
gameMode, isSubWindow );
|
||||||
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);
|
|
||||||
|
|
||||||
window->Window.Handle = CreateWindow(
|
|
||||||
_T("FREEGLUT"),
|
|
||||||
wstr,
|
|
||||||
WS_VISIBLE | WS_POPUP,
|
|
||||||
0,0, 240,320,
|
|
||||||
NULL,
|
|
||||||
NULL,
|
|
||||||
fgDisplay.Instance,
|
|
||||||
(LPVOID) window
|
|
||||||
);
|
|
||||||
|
|
||||||
free(wstr);
|
|
||||||
|
|
||||||
SHFullScreen(window->Window.Handle, SHFS_HIDESTARTICON);
|
|
||||||
SHFullScreen(window->Window.Handle, SHFS_HIDESIPBUTTON);
|
|
||||||
SHFullScreen(window->Window.Handle, SHFS_HIDETASKBAR);
|
|
||||||
MoveWindow(window->Window.Handle, 0, 0, 240, 320, TRUE);
|
|
||||||
ShowWindow(window->Window.Handle, SW_SHOW);
|
|
||||||
UpdateWindow(window->Window.Handle);
|
|
||||||
}
|
|
||||||
#else
|
|
||||||
window->Window.Handle = CreateWindowEx(
|
|
||||||
exFlags,
|
|
||||||
_T("FREEGLUT"),
|
|
||||||
title,
|
|
||||||
flags,
|
|
||||||
x, y, w, h,
|
|
||||||
(HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
|
|
||||||
(HMENU) NULL,
|
|
||||||
fgDisplay.Instance,
|
|
||||||
(LPVOID) window
|
|
||||||
);
|
|
||||||
#endif /* defined(_WIN32_WCE) */
|
|
||||||
|
|
||||||
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(
|
|
||||||
window->Window.Handle,
|
|
||||||
HWND_TOPMOST,
|
|
||||||
0, 0, 0, 0,
|
|
||||||
SWP_NOMOVE | SWP_NOSIZE
|
|
||||||
);
|
|
||||||
|
|
||||||
/* 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 );
|
|
||||||
#else
|
|
||||||
ShowWindow( window->Window.Handle,
|
|
||||||
fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
|
|
||||||
#endif /* defined(_WIN32_WCE) */
|
|
||||||
|
|
||||||
UpdateWindow( window->Window.Handle );
|
|
||||||
ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
fgSetWindow( window );
|
fgSetWindow( window );
|
||||||
|
|
||||||
@ -1522,46 +813,7 @@ void fgCloseWindow( SFG_Window* window )
|
|||||||
if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==window->ID)
|
if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==window->ID)
|
||||||
glutLeaveGameMode();
|
glutLeaveGameMode();
|
||||||
|
|
||||||
#if TARGET_HOST_POSIX_X11
|
fgPlatformCloseWindow ( window );
|
||||||
|
|
||||||
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
|
|
||||||
|
|
||||||
/* Make sure we don't close a window with current context active */
|
|
||||||
if( fgStructure.CurrentWindow == window )
|
|
||||||
wglMakeCurrent( NULL, NULL );
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Step through the list of windows. If the rendering context
|
|
||||||
* is not being used by another window, then we delete it.
|
|
||||||
*/
|
|
||||||
{
|
|
||||||
int used = FALSE ;
|
|
||||||
SFG_Window *iter ;
|
|
||||||
|
|
||||||
for( iter = (SFG_Window *)fgStructure.Windows.First;
|
|
||||||
iter;
|
|
||||||
iter = (SFG_Window *)iter->Node.Next )
|
|
||||||
{
|
|
||||||
if( ( iter->Window.Context == window->Window.Context ) &&
|
|
||||||
( iter != window ) )
|
|
||||||
used = TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if( ! used )
|
|
||||||
wglDeleteContext( window->Window.Context );
|
|
||||||
}
|
|
||||||
|
|
||||||
DestroyWindow( window->Window.Handle );
|
|
||||||
#endif
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -0,0 +1,839 @@
|
|||||||
|
/*
|
||||||
|
* freeglut_window_mswin.c
|
||||||
|
*
|
||||||
|
* The Windows-specific mouse cursor related stuff.
|
||||||
|
*
|
||||||
|
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
|
||||||
|
* Written by John F. Fay, <fayjf@sourceforge.net>
|
||||||
|
* Creation date: Sun Jan 22, 2012
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
* copy of this software and associated documentation files (the "Software"),
|
||||||
|
* to deal in the Software without restriction, including without limitation
|
||||||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* Software is furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included
|
||||||
|
* in all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||||
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||||
|
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||||
|
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||||
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <GL/freeglut.h>
|
||||||
|
#include "freeglut_internal_mswin.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* 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
|
||||||
|
/* End of copying the necessary parts out of it. */
|
||||||
|
|
||||||
|
/* pushing attribute/value pairs into an array */
|
||||||
|
#define ATTRIB(a) attributes[where++]=(a)
|
||||||
|
#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
|
||||||
|
|
||||||
|
|
||||||
|
extern int fghIsLegacyContextVersionRequested( void );
|
||||||
|
extern int fghMapBit( int mask, int from, int to );
|
||||||
|
extern int fghIsLegacyContextRequested( void );
|
||||||
|
extern void fghContextCreationError( void );
|
||||||
|
extern int fghNumberOfAuxBuffersRequested( void );
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Setup the pixel format for a Win32 window
|
||||||
|
*/
|
||||||
|
|
||||||
|
#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) */
|
||||||
|
|
||||||
|
|
||||||
|
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 );
|
||||||
|
}
|
||||||
|
|
||||||
|
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 )
|
||||||
|
{
|
||||||
|
HGLRC context;
|
||||||
|
int attributes[9];
|
||||||
|
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
|
||||||
|
|
||||||
|
/* If nothing fancy has been required, leave the context as it is */
|
||||||
|
if ( fghIsLegacyContextRequested() )
|
||||||
|
{
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
wglMakeCurrent( window->Window.Device, window->Window.Context );
|
||||||
|
|
||||||
|
if ( !fghIsExtensionSupported( window->Window.Device, "WGL_ARB_create_context" ) )
|
||||||
|
{
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* new context creation */
|
||||||
|
fghFillContextAttributes( attributes );
|
||||||
|
|
||||||
|
wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
|
||||||
|
if ( wglCreateContextAttribsARB == NULL )
|
||||||
|
{
|
||||||
|
fgError( "wglCreateContextAttribsARB not found" );
|
||||||
|
}
|
||||||
|
|
||||||
|
context = wglCreateContextAttribsARB( window->Window.Device, 0, attributes );
|
||||||
|
if ( context == NULL )
|
||||||
|
{
|
||||||
|
fghContextCreationError();
|
||||||
|
}
|
||||||
|
|
||||||
|
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
|
||||||
|
|
||||||
|
/* 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 );
|
||||||
|
|
||||||
|
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;
|
||||||
|
|
||||||
|
fghFillPFD( ppfd, current_hDC, layer_type );
|
||||||
|
pixelformat = ChoosePixelFormat( current_hDC, ppfd );
|
||||||
|
|
||||||
|
/* windows hack for multismapling/sRGB */
|
||||||
|
if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) ||
|
||||||
|
( fgState.DisplayMode & GLUT_SRGB ) )
|
||||||
|
{
|
||||||
|
HGLRC rc, rc_before=wglGetCurrentContext();
|
||||||
|
HWND hWnd;
|
||||||
|
HDC hDC, hDC_before=wglGetCurrentDC();
|
||||||
|
WNDCLASS wndCls;
|
||||||
|
|
||||||
|
/* 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");
|
||||||
|
RegisterClass( &wndCls );
|
||||||
|
|
||||||
|
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);
|
||||||
|
|
||||||
|
if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) )
|
||||||
|
{
|
||||||
|
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc =
|
||||||
|
(PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB");
|
||||||
|
if ( wglChoosePixelFormatARBProc )
|
||||||
|
{
|
||||||
|
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 )
|
||||||
|
{
|
||||||
|
pixelformat = iPixelFormat;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
wglMakeCurrent( hDC_before, rc_before);
|
||||||
|
wglDeleteContext(rc);
|
||||||
|
ReleaseDC(hWnd, hDC);
|
||||||
|
DestroyWindow(hWnd);
|
||||||
|
UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
|
||||||
|
}
|
||||||
|
|
||||||
|
success = ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( current_hDC, pixelformat, ppfd ) );
|
||||||
|
|
||||||
|
if (checkOnly)
|
||||||
|
DeleteDC(current_hDC);
|
||||||
|
|
||||||
|
return success;
|
||||||
|
#endif /* defined(_WIN32_WCE) */
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
void fgPlatformSetWindow ( SFG_Window *window )
|
||||||
|
{
|
||||||
|
if ( window != fgStructure.CurrentWindow )
|
||||||
|
{
|
||||||
|
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
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/* 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
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Opens a window. Requires a SFG_Window object created and attached
|
||||||
|
* to the freeglut structure. OpenGL context is created here.
|
||||||
|
*/
|
||||||
|
void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
||||||
|
GLboolean positionUse, int x, int y,
|
||||||
|
GLboolean sizeUse, int w, int h,
|
||||||
|
GLboolean gameMode, GLboolean isSubWindow )
|
||||||
|
{
|
||||||
|
|
||||||
|
WNDCLASS wc;
|
||||||
|
DWORD flags = 0;
|
||||||
|
DWORD exFlags = 0;
|
||||||
|
ATOM atom;
|
||||||
|
|
||||||
|
/* 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,
|
||||||
|
"Game mode being invoked on a subwindow",
|
||||||
|
"fgOpenWindow" );
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Set the window creation flags appropriately to make the window
|
||||||
|
* entirely visible:
|
||||||
|
*/
|
||||||
|
flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* There's a small difference between creating the top, child and
|
||||||
|
* menu windows
|
||||||
|
*/
|
||||||
|
if ( window->IsMenu )
|
||||||
|
{
|
||||||
|
flags |= WS_POPUP;
|
||||||
|
exFlags |= WS_EX_TOOLWINDOW;
|
||||||
|
}
|
||||||
|
#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 )
|
||||||
|
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);
|
||||||
|
|
||||||
|
window->Window.Handle = CreateWindow(
|
||||||
|
_T("FREEGLUT"),
|
||||||
|
wstr,
|
||||||
|
WS_VISIBLE | WS_POPUP,
|
||||||
|
0,0, 240,320,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
fgDisplay.Instance,
|
||||||
|
(LPVOID) window
|
||||||
|
);
|
||||||
|
|
||||||
|
free(wstr);
|
||||||
|
|
||||||
|
SHFullScreen(window->Window.Handle, SHFS_HIDESTARTICON);
|
||||||
|
SHFullScreen(window->Window.Handle, SHFS_HIDESIPBUTTON);
|
||||||
|
SHFullScreen(window->Window.Handle, SHFS_HIDETASKBAR);
|
||||||
|
MoveWindow(window->Window.Handle, 0, 0, 240, 320, TRUE);
|
||||||
|
ShowWindow(window->Window.Handle, SW_SHOW);
|
||||||
|
UpdateWindow(window->Window.Handle);
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
window->Window.Handle = CreateWindowEx(
|
||||||
|
exFlags,
|
||||||
|
_T("FREEGLUT"),
|
||||||
|
title,
|
||||||
|
flags,
|
||||||
|
x, y, w, h,
|
||||||
|
(HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
|
||||||
|
(HMENU) NULL,
|
||||||
|
fgDisplay.Instance,
|
||||||
|
(LPVOID) window
|
||||||
|
);
|
||||||
|
#endif /* defined(_WIN32_WCE) */
|
||||||
|
|
||||||
|
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(
|
||||||
|
window->Window.Handle,
|
||||||
|
HWND_TOPMOST,
|
||||||
|
0, 0, 0, 0,
|
||||||
|
SWP_NOMOVE | SWP_NOSIZE
|
||||||
|
);
|
||||||
|
|
||||||
|
/* 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 );
|
||||||
|
#else
|
||||||
|
ShowWindow( window->Window.Handle,
|
||||||
|
fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
|
||||||
|
#endif /* defined(_WIN32_WCE) */
|
||||||
|
|
||||||
|
UpdateWindow( window->Window.Handle );
|
||||||
|
ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Closes a window, destroying the frame and OpenGL context
|
||||||
|
*/
|
||||||
|
void fgPlatformCloseWindow( SFG_Window* window )
|
||||||
|
{
|
||||||
|
/* Make sure we don't close a window with current context active */
|
||||||
|
if( fgStructure.CurrentWindow == window )
|
||||||
|
wglMakeCurrent( NULL, NULL );
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Step through the list of windows. If the rendering context
|
||||||
|
* is not being used by another window, then we delete it.
|
||||||
|
*/
|
||||||
|
{
|
||||||
|
int used = FALSE ;
|
||||||
|
SFG_Window *iter ;
|
||||||
|
|
||||||
|
for( iter = (SFG_Window *)fgStructure.Windows.First;
|
||||||
|
iter;
|
||||||
|
iter = (SFG_Window *)iter->Node.Next )
|
||||||
|
{
|
||||||
|
if( ( iter->Window.Context == window->Window.Context ) &&
|
||||||
|
( iter != window ) )
|
||||||
|
used = TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if( ! used )
|
||||||
|
wglDeleteContext( window->Window.Context );
|
||||||
|
}
|
||||||
|
|
||||||
|
DestroyWindow( window->Window.Handle );
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
Reference in New Issue
Block a user