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Implemented the OSystem framebuffer API, as discussed on scummvm-devel. All changes are just fine, and won't cause any compile problems or regressions, despite the fact that I can't test most of the non-SDL backend changes, at an improbability level of two to the power of two hundred and seventy-six thousand to one against - possibly much higher. Anything you still can't cope with is therefore your own problem. Please relax.

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svn-id: r27548
This commit is contained in:
Max Horn 2007-06-19 22:39:59 +00:00
parent ab9b9a1bf3
commit b51f2f3212
26 changed files with 217 additions and 144 deletions
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34
backends/platform/gp2x/graphics.cpp
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@ -687,22 +687,6 @@ void OSystem_GP2X::setZoomOnMouse() {
}
}
void OSystem_GP2X::clearScreen() {
assert (_transactionMode == kTransactionNone);
// Try to lock the screen surface
if (SDL_LockSurface(_screen) == -1)
error("SDL_LockSurface failed: %s", SDL_GetError());
byte *dst = (byte *)_screen->pixels;
// Clear the screen
memset(dst, 0, _screenWidth * _screenHeight);
// Unlock the screen surface
SDL_UnlockSurface(_screen);
}
void OSystem_GP2X::copyRectToScreen(const byte *src, int pitch, int x, int y, int w, int h) {
assert (_transactionMode == kTransactionNone);
assert(src);
@ -772,15 +756,19 @@ void OSystem_GP2X::copyRectToScreen(const byte *src, int pitch, int x, int y, in
SDL_UnlockSurface(_screen);
}
// TIDY: DIRTY HACK: Try a REALLY simple version of grabRawScreen to
// debug why it will not work on the GP2X.
bool OSystem_GP2X::grabRawScreen(Graphics::Surface *surf) {
assert(surf);
Graphics::Surface *OSystem_GP2X::lockScreen() {
_framebuffer.pixels = _screen->pixels;
_framebuffer.w = _screen->w;
_framebuffer.h = _screen->h;
_framebuffer.pitch = _screen->pitch;
_framebuffer.bytesPerPixel = 1;
surf->create(_screenWidth, _screenHeight, 1);
memcpy(surf->pixels, _screen->pixels, _screenWidth * _screenHeight);
return &_framebuffer;
}
return true;
void OSystem_GP2X::unlockScreen() {
// Force screen update
_forceFull = true;
}
void OSystem_GP2X::addDirtyRect(int x, int y, int w, int h, bool realCoordinates) {