#include "freeglut_internal.h"
#if defined(_WIN32_WCE)
-#include <aygshell.h>
-#pragma comment( lib, "Aygshell.lib" ) /* library pragmas are bad */
+# include <Aygshell.h>
+# ifdef FREEGLUT_LIB_PRAGMAS
+# pragma comment( lib, "Aygshell.lib" )
+# endif
static wchar_t* fghWstrFromStr(const char* str)
{
return wstr;
}
-
#endif /* defined(_WIN32_WCE) */
/*
ATTRIB_VAL( GLX_AUX_BUFFERS, 3 );
if( fgState.DisplayMode & GLUT_AUX4 )
ATTRIB_VAL( GLX_AUX_BUFFERS, 4 );
+ if ( fgState.DisplayMode & GLUT_MULTISAMPLE )
+ ATTRIB_VAL( GLX_SAMPLES_SGIS, 4 );
/* Push a null at the end of the list */
* Setup the pixel format for a Win32 window
*/
#if TARGET_HOST_MS_WINDOWS
+/* The following include file is available from SGI but is not standard:
+ * #include <GL/wglext.h>
+ * So we copy the necessary parts out of it.
+ * XXX: should local definitions for extensions be put in a separate include file?
+ */
+typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
+
+typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
+
+#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
+
+
GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
unsigned char layer_type )
{
-#ifdef _WIN32_WCE
+#if defined(_WIN32_WCE)
return GL_TRUE;
#else
PIXELFORMATDESCRIPTOR* ppfd, pfd;
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = flags;
- pfd.iPixelType = PFD_TYPE_RGBA;
+
+ if( fgState.DisplayMode & GLUT_INDEX )
+ {
+ pfd.iPixelType = PFD_TYPE_COLORINDEX;
+ pfd.cRedBits = 0;
+ pfd.cGreenBits = 0;
+ pfd.cBlueBits = 0;
+ pfd.cAlphaBits = 0;
+ }
+ else
+ {
+ pfd.iPixelType = PFD_TYPE_RGBA;
+ pfd.cRedBits = 8;
+ pfd.cGreenBits = 8;
+ pfd.cBlueBits = 8;
+ if ( fgState.DisplayMode & GLUT_ALPHA )
+ pfd.cAlphaBits = 8;
+ else
+ pfd.cAlphaBits = 0;
+ }
+
pfd.cColorBits = 24;
- pfd.cRedBits = 0;
pfd.cRedShift = 0;
- pfd.cGreenBits = 0;
pfd.cGreenShift = 0;
- pfd.cBlueBits = 0;
pfd.cBlueShift = 0;
- pfd.cAlphaBits = 0;
pfd.cAlphaShift = 0;
pfd.cAccumBits = 0;
pfd.cAccumRedBits = 0;
ppfd = &pfd;
pixelformat = ChoosePixelFormat( window->Window.Device, ppfd );
+
+ /* windows hack for multismapling */
+ if (fgState.DisplayMode&GLUT_MULTISAMPLE)
+ {
+ PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB=NULL;
+ HGLRC rc, rc_before=wglGetCurrentContext();
+ HWND hWnd;
+ HDC hDC, hDC_before=wglGetCurrentDC();
+ WNDCLASS wndCls;
+ ATOM atom;
+
+ /* create a dummy window */
+ ZeroMemory(&wndCls, sizeof(wndCls));
+ wndCls.lpfnWndProc = DefWindowProc;
+ wndCls.hInstance = fgDisplay.Instance;
+ wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
+ wndCls.lpszClassName = _T("FREEGLUT_dummy");
+ atom = RegisterClass( &wndCls );
+
+ hWnd=CreateWindow((LPCSTR)atom, _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 );
+ hDC=GetDC(hWnd);
+ SetPixelFormat( hDC, pixelformat, ppfd );
+
+ rc = wglCreateContext( hDC );
+ wglMakeCurrent(hDC, rc);
+
+ wglGetEntensionsStringARB=(PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
+ if (wglGetEntensionsStringARB)
+ {
+ const char * pWglExtString=wglGetEntensionsStringARB(hDC);
+ if (pWglExtString)
+ {
+ if (strstr(pWglExtString, "WGL_ARB_multisample"))
+ {
+ int pAttributes[100];
+ int iCounter=0;
+ int iPixelFormat;
+ BOOL bValid;
+ float fAttributes[] = {0,0};
+ UINT numFormats;
+ PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc=NULL;
+
+ wglChoosePixelFormatARBProc=(PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
+ if ( wglChoosePixelFormatARBProc )
+ {
+ pAttributes[iCounter++]=WGL_DRAW_TO_WINDOW_ARB; pAttributes[iCounter++]=GL_TRUE;
+ pAttributes[iCounter++]=WGL_SUPPORT_OPENGL_ARB; pAttributes[iCounter++]=GL_TRUE;
+ pAttributes[iCounter++]=WGL_ACCELERATION_ARB; pAttributes[iCounter++]=WGL_FULL_ACCELERATION_ARB;
+
+ pAttributes[iCounter++]=WGL_COLOR_BITS_ARB; pAttributes[iCounter++]=pfd.cColorBits ;
+ pAttributes[iCounter++]=WGL_ALPHA_BITS_ARB; pAttributes[iCounter++]=pfd.cAlphaBits;
+ pAttributes[iCounter++]=WGL_DEPTH_BITS_ARB; pAttributes[iCounter++]=pfd.cDepthBits;
+ pAttributes[iCounter++]=WGL_STENCIL_BITS_ARB; pAttributes[iCounter++]=pfd.cStencilBits;
+
+ pAttributes[iCounter++]=WGL_DOUBLE_BUFFER_ARB; pAttributes[iCounter++]=(fgState.DisplayMode & GLUT_DOUBLE)!=0;
+ pAttributes[iCounter++]=WGL_SAMPLE_BUFFERS_ARB; pAttributes[iCounter++]=GL_TRUE;
+ pAttributes[iCounter++]=WGL_SAMPLES_ARB; pAttributes[iCounter++]=4;
+ pAttributes[iCounter++]=0; pAttributes[iCounter++]=0; /* terminator */
+
+ bValid = wglChoosePixelFormatARBProc(window->Window.Device,pAttributes,fAttributes,1,&iPixelFormat,&numFormats);
+
+ if (bValid && numFormats>0)
+ pixelformat=iPixelFormat;
+ }
+ }
+ wglMakeCurrent( hDC_before, rc_before);
+ wglDeleteContext(rc);
+ ReleaseDC(hWnd, hDC);
+ DestroyWindow(hWnd);
+ UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
+ }
+ }
+ }
+
if( pixelformat == 0 )
return GL_FALSE;
* to the freeglut structure. OpenGL context is created here.
*/
void fgOpenWindow( SFG_Window* window, const char* title,
- int x, int y, int w, int h,
+ GLboolean positionUse, int x, int y,
+ GLboolean sizeUse, int w, int h,
GLboolean gameMode, GLboolean isSubWindow )
{
#if TARGET_HOST_POSIX_X11
fgState.DisplayMode &= ~GLUT_DOUBLE;
}
- /*
- * GLUT also checks for multi-sampling, but I don't see that
- * anywhere else in FREEGLUT so I won't bother with it for the moment.
- */
+ if( fgState.DisplayMode & GLUT_MULTISAMPLE )
+ {
+ fgState.DisplayMode &= ~GLUT_MULTISAMPLE ;
+ window->Window.VisualInfo = fgChooseVisual( );
+ fgState.DisplayMode |= GLUT_MULTISAMPLE;
+ }
}
FREEGLUT_INTERNAL_ERROR_EXIT( window->Window.VisualInfo != NULL,
mask |= CWOverrideRedirect;
}
+ if( ! positionUse )
+ x = y = -1; /* default window position */
+ if( ! sizeUse )
+ w = h = 300; /* default window size */
+
window->Window.Handle = XCreateWindow(
fgDisplay.Display,
window->Parent == NULL ? fgDisplay.RootWindow :
window->State.Visible = GL_TRUE;
sizeHints.flags = 0;
- if ( fgState.Position.Use )
+ if ( positionUse )
sizeHints.flags |= USPosition;
- if ( fgState.Size.Use )
+ if ( sizeUse )
sizeHints.flags |= USSize;
/*
}
else
{
+ int worig = w, horig = h;
+
#if !defined(_WIN32_WCE)
if ( ( ! isSubWindow ) && ( ! window->IsMenu ) )
{
}
#endif /* defined(_WIN32_WCE) */
- if( ! fgState.Position.Use )
+ if( ! positionUse )
{
x = CW_USEDEFAULT;
y = CW_USEDEFAULT;
}
- if( ! fgState.Size.Use )
+ /* setting State.Width/Height to call resize callback later */
+ if( ! sizeUse )
+ {
+ if( ! window->IsMenu )
+ {
+ w = CW_USEDEFAULT;
+ h = CW_USEDEFAULT;
+ }
+ else /* fail safe - Windows can make a window of size (0, 0) */
+ w = h = 300; /* default window size */
+ window->State.Width = window->State.Height = -1;
+ }
+ else
{
- w = CW_USEDEFAULT;
- h = CW_USEDEFAULT;
+ window->State.Width = worig;
+ window->State.Height = horig;
}
/*
#else
window->Window.Handle = CreateWindowEx(
exFlags,
- "FREEGLUT",
+ _T("FREEGLUT"),
title,
flags,
x, y, w, h,
*/
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateWindow" );
- return fgCreateWindow( NULL, title, fgState.Position.X, fgState.Position.Y,
- fgState.Size.X, fgState.Size.Y, GL_FALSE,
- GL_FALSE )->ID;
+ return fgCreateWindow( NULL, title, fgState.Position.Use,
+ fgState.Position.X, fgState.Position.Y,
+ fgState.Size.Use, fgState.Size.X, fgState.Size.Y,
+ GL_FALSE, GL_FALSE )->ID;
}
/*
h = -h ;
}
- window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
+ window = fgCreateWindow( parent, "", GL_TRUE, x, y, GL_TRUE, w, h, GL_FALSE, GL_FALSE );
ret = window->ID;
return ret;