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disable cursor shadow

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This commit is contained in:
cxgeorge 2001-10-09 23:26:18 +00:00
parent a273e86056
commit 860758dc67
3 changed files with 30 additions and 1 deletions
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2
panda/src/wgldisplay/config_wgldisplay.cxx
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@ -68,6 +68,8 @@ init_libwgldisplay() {
wglGraphicsWindow::make_wglGraphicsWindow); wglGraphicsWindow::make_wglGraphicsWindow);
atexit(AtExitFn); atexit(AtExitFn);
set_global_parameters();
} }
// cant use global var cleanly because global var static init executed after init_libwgl(), incorrectly reiniting var // cant use global var cleanly because global var static init executed after init_libwgl(), incorrectly reiniting var

26
panda/src/wgldisplay/wglGraphicsWindow.cxx
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@ -190,6 +190,8 @@ void AtExitFn() {
wgldisplay_cat.spam() << "AtExitFn called\n"; wgldisplay_cat.spam() << "AtExitFn called\n";
#endif #endif
restore_global_parameters();
DestroyAllWindows(true); DestroyAllWindows(true);
} }
@ -1048,7 +1050,7 @@ verify_window_sizes(unsigned int numsizes,unsigned int *dimen) {
bIsGoodmode=false; bIsGoodmode=false;
} else { } else {
if(_bIsLowVidMemCard) { if(_bIsLowVidMemCard) {
bIsGoodmode=((dwWidth*dwHeight)<=(640*480)); bIsGoodmode=((float)(dwWidth*(float)dwHeight)<=(float)(640*480));
} else { } else {
bIsGoodmode = find_acceptable_display_mode(dwWidth,dwHeight,dwFullScreenBitDepth,dm); bIsGoodmode = find_acceptable_display_mode(dwWidth,dwHeight,dwFullScreenBitDepth,dm);
} }
@ -3317,3 +3319,25 @@ extern char *ConvDDErrorToString(const HRESULT &error) {
} }
} }
// Global system parameters we want to modify during our run
static int iMouseTrails;
static bool bCursorShadowOn;
void set_global_parameters(void) {
// turn off mousetrails and cursor shadow.
// cursor shadow causes cursor blink and reduced frame rate due to lack of driver support for
// cursor alpha blending
// this is a win2k/xp only param, could use GetVersionEx to do it just for win2k
SystemParametersInfo(SPI_GETCURSORSHADOW,NULL,&bCursorShadowOn,NULL);
SystemParametersInfo(SPI_SETCURSORSHADOW,NULL,(PVOID)false,NULL);
SystemParametersInfo(SPI_GETMOUSETRAILS,NULL,&iMouseTrails,NULL);
SystemParametersInfo(SPI_SETMOUSETRAILS,NULL,(PVOID)0,NULL);
}
void restore_global_parameters(void) {
SystemParametersInfo(SPI_SETCURSORSHADOW,NULL,(PVOID)bCursorShadowOn,NULL);
SystemParametersInfo(SPI_SETMOUSETRAILS,NULL,(PVOID)iMouseTrails,NULL);
}

3
panda/src/wgldisplay/wglGraphicsWindow.h
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@ -163,4 +163,7 @@ private:
static TypeHandle _type_handle; static TypeHandle _type_handle;
}; };
extern void set_global_parameters();
extern void restore_global_parameters();
#endif #endif