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
4c2d8597d3
@ -89,58 +89,6 @@
|
||||
#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;
|
||||
@ -173,21 +121,29 @@ typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShar
|
||||
* glutPopWindow() -- check the Win32 version
|
||||
*/
|
||||
|
||||
|
||||
extern void fgPlatformSetWindow ( SFG_Window *window );
|
||||
extern void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
||||
GLboolean positionUse, int x, int y,
|
||||
GLboolean sizeUse, int w, int h,
|
||||
GLboolean gameMode, GLboolean isSubWindow );
|
||||
extern void fgPlatformCloseWindow( SFG_Window* window );
|
||||
|
||||
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
|
||||
|
||||
static int fghIsLegacyContextVersionRequested( void )
|
||||
int fghIsLegacyContextVersionRequested( void )
|
||||
{
|
||||
return fgState.MajorVersion < 2 || (fgState.MajorVersion == 2 && fgState.MinorVersion <= 1);
|
||||
}
|
||||
|
||||
static int fghIsLegacyContextRequested( void )
|
||||
int fghIsLegacyContextRequested( void )
|
||||
{
|
||||
return fghIsLegacyContextVersionRequested() &&
|
||||
fgState.ContextFlags == 0 &&
|
||||
fgState.ContextProfile == 0;
|
||||
}
|
||||
|
||||
static int fghNumberOfAuxBuffersRequested( void )
|
||||
int fghNumberOfAuxBuffersRequested( void )
|
||||
{
|
||||
if ( fgState.DisplayMode & GLUT_AUX4 ) {
|
||||
return 4;
|
||||
@ -204,13 +160,13 @@ static int fghNumberOfAuxBuffersRequested( void )
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fghMapBit( int mask, int from, int to )
|
||||
int fghMapBit( int mask, int from, int to )
|
||||
{
|
||||
return ( mask & from ) ? to : 0;
|
||||
|
||||
}
|
||||
|
||||
static void fghContextCreationError( void )
|
||||
void fghContextCreationError( void )
|
||||
{
|
||||
fgError( "Unable to create OpenGL %d.%d context (flags %x, profile %x)",
|
||||
fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags,
|
||||
@ -548,279 +504,8 @@ static int fghToggleFullscreen(void)
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
#endif /* TARGET_HOST_POSIX_X11 */
|
||||
|
||||
|
||||
#if TARGET_HOST_MS_WINDOWS
|
||||
/*
|
||||
* Setup the pixel format for a Win32 window
|
||||
*/
|
||||
|
||||
#if defined(_WIN32_WCE)
|
||||
static wchar_t* fghWstrFromStr(const char* str)
|
||||
void fgPlatformSetWindow ( SFG_Window *window )
|
||||
{
|
||||
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) */
|
||||
}
|
||||
|
||||
#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 )
|
||||
{
|
||||
glXMakeContextCurrent(
|
||||
@ -830,270 +515,18 @@ void fgSetWindow ( SFG_Window *window )
|
||||
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
|
||||
* 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 sizeUse, int w, int h,
|
||||
GLboolean gameMode, GLboolean isSubWindow )
|
||||
{
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
XVisualInfo * visualInfo = NULL;
|
||||
XSetWindowAttributes winAttr;
|
||||
XTextProperty textProperty;
|
||||
@ -1300,203 +733,61 @@ void fgOpenWindow( SFG_Window* window, const char* title,
|
||||
|
||||
if( !isSubWindow)
|
||||
XPeekIfEvent( fgDisplay.Display, &eventReturnBuffer, &fghWindowIsVisible, (XPointer)(window->Window.Handle) );
|
||||
}
|
||||
|
||||
#elif TARGET_HOST_MS_WINDOWS
|
||||
|
||||
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:
|
||||
/*
|
||||
* Closes a window, destroying the frame and OpenGL context
|
||||
*/
|
||||
flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
|
||||
}
|
||||
else
|
||||
{
|
||||
flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
|
||||
void fgPlatformCloseWindow( SFG_Window* window )
|
||||
{
|
||||
if( window->Window.Context )
|
||||
glXDestroyContext( fgDisplay.Display, window->Window.Context );
|
||||
XFree( window->Window.FBConfig );
|
||||
|
||||
/*
|
||||
* There's a small difference between creating the top, child and
|
||||
* menu windows
|
||||
if( window->Window.Handle ) {
|
||||
XDestroyWindow( fgDisplay.Display, window->Window.Handle );
|
||||
}
|
||||
/* XFlush( fgDisplay.Display ); */ /* XXX Shouldn't need this */
|
||||
}
|
||||
|
||||
#endif /* TARGET_HOST_POSIX_X11 */
|
||||
|
||||
|
||||
/*
|
||||
* Sets the OpenGL context and the fgStructure "Current Window" pointer to
|
||||
* the window structure passed in.
|
||||
*/
|
||||
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;
|
||||
void fgSetWindow ( SFG_Window *window )
|
||||
{
|
||||
fgPlatformSetWindow ( window );
|
||||
|
||||
fgStructure.CurrentWindow = window;
|
||||
}
|
||||
|
||||
|
||||
#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
|
||||
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.
|
||||
|
||||
/*
|
||||
* Opens a window. Requires a SFG_Window object created and attached
|
||||
* to the freeglut structure. OpenGL context is created here.
|
||||
*/
|
||||
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"! */
|
||||
|
||||
#endif
|
||||
void fgOpenWindow( SFG_Window* window, const char* title,
|
||||
GLboolean positionUse, int x, int y,
|
||||
GLboolean sizeUse, int w, int h,
|
||||
GLboolean gameMode, GLboolean isSubWindow )
|
||||
{
|
||||
fgPlatformOpenWindow( window, title,
|
||||
positionUse, x, y,
|
||||
sizeUse, w, h,
|
||||
gameMode, isSubWindow );
|
||||
|
||||
fgSetWindow( window );
|
||||
|
||||
@ -1522,46 +813,7 @@ void fgCloseWindow( SFG_Window* window )
|
||||
if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==window->ID)
|
||||
glutLeaveGameMode();
|
||||
|
||||
#if TARGET_HOST_POSIX_X11
|
||||
|
||||
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
|
||||
fgPlatformCloseWindow ( window );
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -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