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view src/main/qtopia/SDL_qtopia_main.cc @ 3899:081aecdb0911 SDL-1.2
From: Gabriel Gambetta
To: SDL Mailing List <sdl@libsdl.org>
Date: Fri, 17 Nov 2006 00:39:29 -0200
Subject: [SDL] Alpha blending bug - fixed?
It turns out mm5 never got the correct value. This failed :
[...]
"movd %1, %%mm5\n\t"
: : "m" (amask), "m" (sf->Ashift) );
mm5 got 0xFF000018 instead of 0x00000018. However I did this :
Uint32 ashift = sf->Ashift;
[...]
"movd %1, %%mm5\n\t"
: : "m" (amask), "m" (ashift) );
and everything worked fine.
The only thing I could find out was that ashift is 32-bit aligned but
sf->Ashift isn't:
printf("ashift %8X [%d]\n", &ashift, (int)(&ashift) % 4);
printf("sf->Ashift %8X [%d]\n", &sf->Ashift, (int)(&sf->Ashift) % 4);
ashift at BFF0E0C4 [0]
sf->Ashift at 08AFB9CD [1]
Could this be the problem? If it is, the fix is extremely trivial.
Should I submit a patch?
--Gabriel
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Tue, 21 Nov 2006 23:17:00 +0000 |
parents | 623b453a3219 |
children | 782fd950bd46 c121d94672cb |
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/* Include the SDL main definition header */ #include "SDL_main.h" #include <stdlib.h> #include <unistd.h> #ifdef main #undef main #endif #ifdef QWS #include <qpe/qpeapplication.h> #include <qapplication.h> #include <qpe/qpeapplication.h> #include <stdlib.h> // Workaround for OPIE to remove taskbar icon. Also fixes // some issues in Qtopia where there are left-over qcop files in /tmp/. // I'm guessing this will also clean up the taskbar in the Sharp version // of Qtopia. static inline void cleanupQCop() { QString appname(qApp->argv()[0]); int slash = appname.findRev("/"); if(slash != -1) { appname = appname.mid(slash+1); } QString cmd = QPEApplication::qpeDir() + "bin/qcop QPE/System 'closing(QString)' '"+appname+"'"; system(cmd.latin1()); cmd = "/tmp/qcop-msg-"+appname; unlink(cmd.latin1()); } static QPEApplication *app; #endif extern int SDL_main(int argc, char *argv[]); int main(int argc, char *argv[]) { #ifdef QWS // This initializes the Qtopia application. It needs to be done here // because it parses command line options. app = new QPEApplication(argc, argv); QWidget dummy; app->showMainWidget(&dummy); atexit(cleanupQCop); #endif // Exit here because if return is used, the application // doesn't seem to quit correctly. exit(SDL_main(argc, argv)); }