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more debugging stuff

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This commit is contained in:
cxgeorge 2001-08-05 03:43:13 +00:00
parent ae2466fb2f
commit c21cd1d3b9
2 changed files with 242 additions and 211 deletions
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442
panda/src/wgldisplay/wglGraphicsWindow.cxx
View File

@ -57,6 +57,7 @@ HWND_PANDAWIN_MAP hwnd_pandawin_map;
wglGraphicsWindow *global_wglwinptr=NULL; // need this for temporary windproc
typedef enum {Software, MCD, ICD} OGLDriverType;
static char *OGLDrvStrings[3] = {"Software","MCD","ICD"};
LONG WINAPI static_window_proc(HWND hwnd, UINT msg, WPARAM wparam,LPARAM lparam);
extern char *ConvDDErrorToString(const HRESULT &error);
@ -82,11 +83,6 @@ void wglGraphicsWindow::DestroyMe(bool bAtExitFnCalled) {
_exiting_window = true; // needed before DestroyWindow call
if(_visual!=NULL) {
free(_visual);
_visual = NULL;
}
// several GL drivers (voodoo,ATI, not nvidia) crash if we call these wgl deletion routines from
// an atexit() fn. Possible that GL has already unloaded itself. So we just wont call them for now
// for that case, we're exiting the app anyway.
@ -289,7 +285,6 @@ void wglGraphicsWindow::config(void) {
_mouse_passive_motion_enabled = false;
_mouse_entry_enabled = false;
_entry_state = -1;
_visual = NULL;
_context = NULL;
_hdc = NULL;
_window_inactive = false;
@ -326,7 +321,13 @@ void wglGraphicsWindow::config(void) {
exit(1);
}
DWORD window_style = WS_POPUP | WS_SYSMENU; // for CreateWindow
// from MSDN:
// An OpenGL window has its own pixel format. Because of this, only device contexts retrieved
// for the client area of an OpenGL window are allowed to draw into the window. As a result, an
// OpenGL window should be created with the WS_CLIPCHILDREN and WS_CLIPSIBLINGS styles. Additionally,
// the window class attribute should not include the CS_PARENTDC style.
DWORD window_style = WS_POPUP | WS_SYSMENU | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; // for CreateWindow
// rect now contains the coords for the entire window, not the client
if (_props._fullscreen) {
@ -458,27 +459,27 @@ void wglGraphicsWindow::config(void) {
_hdc = GetDC(_mwindow);
// Configure the framebuffer according to parameters specified in _props
// Initializes _visual
// Initializes _pixelformat
int pfnum=choose_visual();
if(gl_forced_pixfmt!=0) {
if(wgldisplay_cat.is_debug())
wgldisplay_cat.debug() << "overriding pixfmt choice algorithm with gl-force-pixfmt\n";
wgldisplay_cat.debug() << "overriding pixfmt choice algorithm (" << pfnum << ") with gl-force-pixfmt("<<gl_forced_pixfmt<< ")\n";
pfnum=gl_forced_pixfmt;
}
// int pfnum=ChoosePixelFormat(_hdc, _visual);
// int pfnum=ChoosePixelFormat(_hdc, _pixelformat);
if(wgldisplay_cat.is_debug())
wgldisplay_cat.debug() << "config() - picking pixfmt #"<< pfnum <<endl;
if (!SetPixelFormat(_hdc, pfnum, _visual)) {
if (!SetPixelFormat(_hdc, pfnum, &_pixelformat)) {
wgldisplay_cat.fatal()
<< "config() - SetPixelFormat("<< pfnum << ") failed after window create" << endl;
exit(1);
}
// Initializes _colormap
setup_colormap();
// setup_colormap();
_context = wglCreateContext(_hdc);
if (!_context) {
@ -564,11 +565,10 @@ void wglGraphicsWindow::config(void) {
if(wgldisplay_cat.is_debug()) {
const GLubyte *vendorname=glGetString(GL_VENDOR);
if(vendorname!=NULL) {
if(strncmp((const char *)vendorname,"Microsoft",9)==0) {
wgldisplay_cat.debug() << " GL VendorID: " << glGetString(GL_VENDOR) << " (Software Rendering)" << endl;
} else {
wgldisplay_cat.debug() << " GL VendorID: " << glGetString(GL_VENDOR) << endl;
}
wgldisplay_cat.debug() << endl
<< " GL_VENDOR: " << glGetString(GL_VENDOR) << endl
<< " GL_RENDERER: " << glGetString(GL_RENDERER) << endl
<< " GL_VERSION: " << glGetString(GL_VERSION) << endl;
} else {
wgldisplay_cat.info() << " glGetString(GL_VENDOR) returns NULL!!!\n";
}
@ -596,179 +596,37 @@ wglGraphicsWindow(GraphicsPipe* pipe, const
config();
}
////////////////////////////////////////////////////////////////////
// Function: try_for_visual
// Description: This is a static function that attempts to get the
// requested visual, if it is available. It's just a
// wrapper around glXChooseVisual(). It returns the
// visual information if possible, or NULL if it is not.
////////////////////////////////////////////////////////////////////
PIXELFORMATDESCRIPTOR* wglGraphicsWindow::
try_for_visual(wglGraphicsPipe *pipe, int mask,
int want_depth_bits, int want_color_bits) {
static const int max_attrib_list = 32;
int attrib_list[max_attrib_list];
int n=0;
wgldisplay_cat.debug()
<< "Trying for visual with: RGB(" << want_color_bits << ")";
int want_color_component_bits;
if (mask & W_ALPHA) {
want_color_component_bits = max(want_color_bits / 4, 1);
} else {
want_color_component_bits = max(want_color_bits / 3, 1);
}
attrib_list[n++] = GLX_RGBA;
attrib_list[n++] = GLX_RED_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_GREEN_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_BLUE_SIZE;
attrib_list[n++] = want_color_component_bits;
if (mask & W_ALPHA) {
wgldisplay_cat.debug(false) << " ALPHA";
attrib_list[n++] = GLX_ALPHA_SIZE;
attrib_list[n++] = want_color_component_bits;
}
if (mask & W_DOUBLE) {
wgldisplay_cat.debug(false) << " DOUBLEBUFFER";
attrib_list[n++] = GLX_DOUBLEBUFFER;
}
if (mask & W_STEREO) {
wgldisplay_cat.debug(false) << " STEREO";
attrib_list[n++] = GLX_STEREO;
}
if (mask & W_DEPTH) {
wgldisplay_cat.debug(false) << " DEPTH(" << want_depth_bits << ")";
attrib_list[n++] = GLX_DEPTH_SIZE;
attrib_list[n++] = want_depth_bits;
}
if (mask & W_STENCIL) {
wgldisplay_cat.debug(false) << " STENCIL";
attrib_list[n++] = GLX_STENCIL_SIZE;
attrib_list[n++] = 1;
}
if (mask & W_ACCUM) {
wgldisplay_cat.debug(false) << " ACCUM";
attrib_list[n++] = GLX_ACCUM_RED_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_ACCUM_GREEN_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_ACCUM_BLUE_SIZE;
attrib_list[n++] = want_color_component_bits;
if (mask & W_ALPHA) {
attrib_list[n++] = GLX_ACCUM_ALPHA_SIZE;
attrib_list[n++] = want_color_component_bits;
}
}
// Terminate the list
nassertr(n < max_attrib_list, NULL);
attrib_list[n] = 0L;
PIXELFORMATDESCRIPTOR pfd;
PIXELFORMATDESCRIPTOR *match = NULL;
bool stereo = false;
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = (sizeof(PIXELFORMATDESCRIPTOR));
pfd.nVersion = 1;
// Defaults
pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW;
pfd.iPixelType = PFD_TYPE_COLORINDEX;
pfd.cColorBits = 32;
pfd.cDepthBits = 0;
int *p = attrib_list;
while (*p) {
switch (*p) {
case GLX_USE_GL:
pfd.dwFlags |= PFD_SUPPORT_OPENGL;
break;
case GLX_LEVEL:
pfd.bReserved = *(++p);
break;
case GLX_RGBA:
pfd.iPixelType = PFD_TYPE_RGBA;
break;
case GLX_DOUBLEBUFFER:
pfd.dwFlags |= PFD_DOUBLEBUFFER;
break;
case GLX_STEREO:
stereo = true;
pfd.dwFlags |= PFD_STEREO;
break;
case GLX_AUX_BUFFERS:
pfd.cAuxBuffers = *(++p);
break;
case GLX_RED_SIZE:
pfd.cRedBits = 8; // Try to get the maximum
++p;
break;
case GLX_GREEN_SIZE:
pfd.cGreenBits = 8; // Try to get the maximum
++p;
break;
case GLX_BLUE_SIZE:
pfd.cBlueBits = 8; // Try to get the maximum
++p;
break;
case GLX_ALPHA_SIZE:
pfd.cAlphaBits = 8; // Try to get the maximum
++p;
break;
case GLX_DEPTH_SIZE:
pfd.cDepthBits = 32; // Try to get the maximum
++p;
break;
case GLX_STENCIL_SIZE:
pfd.cStencilBits = *(++p);
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
// Only cAccumBits is used for requesting accum buffer
pfd.cAccumBits = 1;
++p;
break;
}
++p;
}
int pf = ChoosePixelFormat(_hdc, &pfd);
if (pf > 0) {
match = (PIXELFORMATDESCRIPTOR *)malloc(sizeof(PIXELFORMATDESCRIPTOR));
DescribePixelFormat(_hdc, pf, sizeof(PIXELFORMATDESCRIPTOR), match);
// ChoosePixelFormat is dumb about stereo
if (stereo) {
if (!(match->dwFlags & PFD_STEREO)) {
wgldisplay_cat.info()
<< "try_for_visual() - request for stereo failed" << endl;
}
}
}
return match;
}
#ifdef _DEBUG
void PrintPFD(PIXELFORMATDESCRIPTOR *pfd,char *msg) {
wgldisplay_cat.spam() << msg << endl
OGLDriverType drvtype;
if((pfd->dwFlags & PFD_GENERIC_ACCELERATED) && (pfd->dwFlags & PFD_GENERIC_FORMAT))
drvtype=MCD;
else if(!(pfd->dwFlags & PFD_GENERIC_ACCELERATED) && !(pfd->dwFlags & PFD_GENERIC_FORMAT))
drvtype=ICD;
else {
drvtype=Software;
}
#define PrintFlag(FLG) ((pfd->dwFlags & PFD_##FLG) ? (" PFD_" #FLG "|") : "")
wgldisplay_cat.spam() << "================================\n";
wgldisplay_cat.spam() << msg << ", " << OGLDrvStrings[drvtype] << " driver\n"
<< "PFD flags: 0x" << (void*)pfd->dwFlags << " (" <<
((pfd->dwFlags & PFD_GENERIC_ACCELERATED) ? " PFD_GENERIC_ACCELERATED |" : "") <<
((pfd->dwFlags & PFD_GENERIC_FORMAT) ? " PFD_GENERIC_FORMAT |" : "") <<
((pfd->dwFlags & PFD_DOUBLEBUFFER) ? " PFD_DOUBLEBUFFER |" : "") <<
((pfd->dwFlags & PFD_DRAW_TO_WINDOW) ? " PFD_DRAW_TO_WINDOW |" : "") <<
((pfd->dwFlags & PFD_SUPPORT_OPENGL) ? " PFD_SUPPORT_OPENGL |" : "") <<
((pfd->dwFlags & PFD_SWAP_EXCHANGE) ? " PFD_SWAP_EXCHANGE |" : "") <<
((pfd->dwFlags & PFD_SWAP_COPY) ? " PFD_SWAP_COPY |" : "") << ")\n"
PrintFlag(GENERIC_ACCELERATED) <<
PrintFlag(GENERIC_FORMAT) <<
PrintFlag(DOUBLEBUFFER) <<
PrintFlag(SUPPORT_OPENGL) <<
PrintFlag(SUPPORT_GDI) <<
PrintFlag(STEREO) <<
PrintFlag(DRAW_TO_WINDOW) <<
PrintFlag(DRAW_TO_BITMAP) <<
PrintFlag(SWAP_EXCHANGE) <<
PrintFlag(SWAP_COPY) <<
PrintFlag(SWAP_LAYER_BUFFERS) <<
PrintFlag(NEED_PALETTE) <<
PrintFlag(NEED_SYSTEM_PALETTE) <<
PrintFlag(SUPPORT_DIRECTDRAW) << ")\n"
<< "PFD iPixelType: " << ((pfd->iPixelType==PFD_TYPE_RGBA) ? "PFD_TYPE_RGBA":"PFD_TYPE_COLORINDEX") << endl
<< "PFD cColorBits: " << (DWORD)pfd->cColorBits << " R: " << (DWORD)pfd->cRedBits <<" G: " << (DWORD)pfd->cGreenBits <<" B: " << (DWORD)pfd->cBlueBits << endl
<< "PFD cAlphaBits: " << (DWORD)pfd->cAlphaBits << " DepthBits: " << (DWORD)pfd->cDepthBits <<" StencilBits: " << (DWORD)pfd->cStencilBits <<" AccumBits: " << (DWORD)pfd->cAccumBits << endl;
@ -808,11 +666,32 @@ int wglGraphicsWindow::choose_visual(void) {
int MaxPixFmtNum=DescribePixelFormat(_hdc, 1, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
int cur_bpp=GetDeviceCaps(_hdc,BITSPIXEL);
int i;
int pfnum;
for(i=1;i<=MaxPixFmtNum;i++) {
DescribePixelFormat(_hdc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
#ifdef _DEBUG
if(wgldisplay_cat.is_debug()) {
for(pfnum=1;pfnum<=MaxPixFmtNum;pfnum++) {
DescribePixelFormat(_hdc, pfnum, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
if((pfd.dwFlags & PFD_GENERIC_ACCELERATED) && (pfd.dwFlags & PFD_GENERIC_FORMAT))
drvtype=MCD;
else if(!(pfd.dwFlags & PFD_GENERIC_ACCELERATED) && !(pfd.dwFlags & PFD_GENERIC_FORMAT))
drvtype=ICD;
else {
drvtype=Software;
continue; // skipping all SW fmts
}
// use wglinfo.exe instead
char msg[200];
sprintf(msg,"GL PixelFormat[%d]",pfnum);
PrintPFD(&pfd,msg);
}
}
#endif
for(pfnum=1;pfnum<=MaxPixFmtNum;pfnum++) {
DescribePixelFormat(_hdc, pfnum, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
if((pfd.dwFlags & PFD_GENERIC_ACCELERATED) && (pfd.dwFlags & PFD_GENERIC_FORMAT))
drvtype=MCD;
@ -829,13 +708,6 @@ int wglGraphicsWindow::choose_visual(void) {
if((pfd.iPixelType == PFD_TYPE_COLORINDEX) && !(mask & W_INDEX))
continue;
#if 0
// use wglinfo.exe instead
char msg[200];
sprintf(msg,"\nGL PixelFormat[%d]",i);
PrintPFD(&pfd,msg);
#endif
DWORD dwReqFlags=(PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW);
if (wgldisplay_cat.is_debug()) {
@ -864,6 +736,7 @@ int wglGraphicsWindow::choose_visual(void) {
continue;
if((mask & W_STENCIL) && (pfd.cStencilBits==0))
continue;
if((pfd.dwFlags & dwReqFlags)!=dwReqFlags)
continue;
@ -880,7 +753,7 @@ int wglGraphicsWindow::choose_visual(void) {
break;
}
if(i>MaxPixFmtNum) {
if(pfnum>MaxPixFmtNum) {
wgldisplay_cat.error() << "ERROR: couldn't find HW-accelerated OpenGL pixfmt appropriate for this desktop!!\n";
wgldisplay_cat.error() << "make sure OpenGL driver is installed, and try reducing the screen size\n";
if(cur_bpp>16)
@ -888,20 +761,15 @@ int wglGraphicsWindow::choose_visual(void) {
exit(1);
}
_visual = (PIXELFORMATDESCRIPTOR*)malloc(sizeof(PIXELFORMATDESCRIPTOR));
if(_visual==NULL) {
wgldisplay_cat.error() << "couldnt alloc mem for PIXELFORMATDESCRIPTOR\n";
exit(1);
}
#ifdef _DEBUG
char msg[200];
sprintf(msg,"Selected GL PixelFormat is #%d",i);
sprintf(msg,"Selected GL PixelFormat is #%d",pfnum);
PrintPFD(&pfd,msg);
#endif
*_visual = pfd;
return i;
memcpy(&_pixelformat,&pfd,sizeof(PIXELFORMATDESCRIPTOR));
return pfnum;
}
////////////////////////////////////////////////////////////////////
@ -1704,6 +1572,8 @@ wglGraphicsWindow::lookup_key(WPARAM wparam) const {
return ButtonHandle::none();
}
#if 0
// old fns
////////////////////////////////////////////////////////////////////
// Function: get_config
@ -1782,6 +1652,166 @@ get_config(PIXELFORMATDESCRIPTOR *visual, int attrib, int *value) {
}
}
////////////////////////////////////////////////////////////////////
// Function: try_for_visual
// Description: This is a static function that attempts to get the
// requested visual, if it is available. It's just a
// wrapper around glXChooseVisual(). It returns the
// visual information if possible, or NULL if it is not.
////////////////////////////////////////////////////////////////////
PIXELFORMATDESCRIPTOR* wglGraphicsWindow::
try_for_visual(wglGraphicsPipe *pipe, int mask,
int want_depth_bits, int want_color_bits) {
static const int max_attrib_list = 32;
int attrib_list[max_attrib_list];
int n=0;
wgldisplay_cat.debug()
<< "Trying for visual with: RGB(" << want_color_bits << ")";
int want_color_component_bits;
if (mask & W_ALPHA) {
want_color_component_bits = max(want_color_bits / 4, 1);
} else {
want_color_component_bits = max(want_color_bits / 3, 1);
}
attrib_list[n++] = GLX_RGBA;
attrib_list[n++] = GLX_RED_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_GREEN_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_BLUE_SIZE;
attrib_list[n++] = want_color_component_bits;
if (mask & W_ALPHA) {
wgldisplay_cat.debug(false) << " ALPHA";
attrib_list[n++] = GLX_ALPHA_SIZE;
attrib_list[n++] = want_color_component_bits;
}
if (mask & W_DOUBLE) {
wgldisplay_cat.debug(false) << " DOUBLEBUFFER";
attrib_list[n++] = GLX_DOUBLEBUFFER;
}
if (mask & W_STEREO) {
wgldisplay_cat.debug(false) << " STEREO";
attrib_list[n++] = GLX_STEREO;
}
if (mask & W_DEPTH) {
wgldisplay_cat.debug(false) << " DEPTH(" << want_depth_bits << ")";
attrib_list[n++] = GLX_DEPTH_SIZE;
attrib_list[n++] = want_depth_bits;
}
if (mask & W_STENCIL) {
wgldisplay_cat.debug(false) << " STENCIL";
attrib_list[n++] = GLX_STENCIL_SIZE;
attrib_list[n++] = 1;
}
if (mask & W_ACCUM) {
wgldisplay_cat.debug(false) << " ACCUM";
attrib_list[n++] = GLX_ACCUM_RED_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_ACCUM_GREEN_SIZE;
attrib_list[n++] = want_color_component_bits;
attrib_list[n++] = GLX_ACCUM_BLUE_SIZE;
attrib_list[n++] = want_color_component_bits;
if (mask & W_ALPHA) {
attrib_list[n++] = GLX_ACCUM_ALPHA_SIZE;
attrib_list[n++] = want_color_component_bits;
}
}
// Terminate the list
nassertr(n < max_attrib_list, NULL);
attrib_list[n] = 0L;
PIXELFORMATDESCRIPTOR pfd;
PIXELFORMATDESCRIPTOR *match = NULL;
bool stereo = false;
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = (sizeof(PIXELFORMATDESCRIPTOR));
pfd.nVersion = 1;
// Defaults
pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW;
pfd.iPixelType = PFD_TYPE_COLORINDEX;
pfd.cColorBits = 32;
pfd.cDepthBits = 0;
int *p = attrib_list;
while (*p) {
switch (*p) {
case GLX_USE_GL:
pfd.dwFlags |= PFD_SUPPORT_OPENGL;
break;
case GLX_LEVEL:
pfd.bReserved = *(++p);
break;
case GLX_RGBA:
pfd.iPixelType = PFD_TYPE_RGBA;
break;
case GLX_DOUBLEBUFFER:
pfd.dwFlags |= PFD_DOUBLEBUFFER;
break;
case GLX_STEREO:
stereo = true;
pfd.dwFlags |= PFD_STEREO;
break;
case GLX_AUX_BUFFERS:
pfd.cAuxBuffers = *(++p);
break;
case GLX_RED_SIZE:
pfd.cRedBits = 8; // Try to get the maximum
++p;
break;
case GLX_GREEN_SIZE:
pfd.cGreenBits = 8; // Try to get the maximum
++p;
break;
case GLX_BLUE_SIZE:
pfd.cBlueBits = 8; // Try to get the maximum
++p;
break;
case GLX_ALPHA_SIZE:
pfd.cAlphaBits = 8; // Try to get the maximum
++p;
break;
case GLX_DEPTH_SIZE:
pfd.cDepthBits = 32; // Try to get the maximum
++p;
break;
case GLX_STENCIL_SIZE:
pfd.cStencilBits = *(++p);
break;
case GLX_ACCUM_RED_SIZE:
case GLX_ACCUM_GREEN_SIZE:
case GLX_ACCUM_BLUE_SIZE:
case GLX_ACCUM_ALPHA_SIZE:
// Only cAccumBits is used for requesting accum buffer
pfd.cAccumBits = 1;
++p;
break;
}
++p;
}
int pf = ChoosePixelFormat(_hdc, &pfd);
if (pf > 0) {
DescribePixelFormat(_hdc, pf, sizeof(PIXELFORMATDESCRIPTOR), &_pixelformat);
// ChoosePixelFormat is dumb about stereo
if (stereo) {
if (!(_pixelformat->dwFlags & PFD_STEREO)) {
wgldisplay_cat.info() << "try_for_visual() - request for stereo failed" << endl;
}
}
}
return match;
}
#endif
extern char *ConvDDErrorToString(const HRESULT &error) {
switch(error) {

11
panda/src/wgldisplay/wglGraphicsWindow.h
View File

@ -33,6 +33,7 @@
////////////////////////////////////////////////////////////////////
class wglGraphicsPipe;
#if 0
#define GLX_USE_GL 1 /* support GLX rendering */
#define GLX_BUFFER_SIZE 2 /* depth of the color buffer */
#define GLX_LEVEL 3 /* level in plane stacking */
@ -50,7 +51,7 @@ class wglGraphicsPipe;
#define GLX_ACCUM_GREEN_SIZE 15 /* number of green accum bits */
#define GLX_ACCUM_BLUE_SIZE 16 /* number of blue accum bits */
#define GLX_ACCUM_ALPHA_SIZE 17 /* number of alpha accum bits */
#endif
////////////////////////////////////////////////////////////////////
// Class : wglGraphicsWindow
@ -88,10 +89,10 @@ public:
void handle_keyrelease( ButtonHandle key );
protected:
PIXELFORMATDESCRIPTOR* try_for_visual(wglGraphicsPipe *pipe,
int mask, int want_depth_bits = 1, int want_color_bits = 1);
// PIXELFORMATDESCRIPTOR* try_for_visual(wglGraphicsPipe *pipe,
// int mask, int want_depth_bits = 1, int want_color_bits = 1);
// static void get_config(PIXELFORMATDESCRIPTOR* visual, int attrib, int *value);
int choose_visual(void);
static void get_config(PIXELFORMATDESCRIPTOR* visual, int attrib, int *value);
virtual void config( void );
void setup_colormap(void);
@ -109,7 +110,7 @@ public:
private:
HGLRC _context;
HDC _hdc;
PIXELFORMATDESCRIPTOR* _visual;
PIXELFORMATDESCRIPTOR _pixelformat;
HPALETTE _colormap;
HCURSOR _hMouseCursor;
HWND _hOldForegroundWindow;