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ACCESS: Beginnings of dirty rect handling for screen

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This commit is contained in:
Paul Gilbert 2014-12-13 21:25:46 -05:00
parent 330cb5fb07
commit 98889efae5
4 changed files with 34 additions and 5 deletions
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22
engines/access/screen.cpp
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@ -68,6 +68,8 @@ void Screen::clearScreen() {
clearBuffer();
if (_vesaMode)
_vm->_clearSummaryFlag = true;
addDirtyRect(Common::Rect(0, 0, this->w, this->h));
}
void Screen::setDisplayScan() {
@ -87,9 +89,15 @@ void Screen::setPanel(int num) {
}
void Screen::updateScreen() {
g_system->copyRectToScreen((byte *)getPixels(), this->pitch, 0, 0,
this->w, this->h);
for (uint i = 0; i < _dirtyRects.size(); ++i) {
const Common::Rect &r = _dirtyRects[i];
const byte *srcP = (const byte *)getBasePtr(r.left, r.top);
g_system->copyRectToScreen(srcP, this->pitch, r.left, r.top,
r.width(), r.height());
}
g_system->updateScreen();
_dirtyRects.clear();
}
void Screen::setInitialPalettte() {
@ -239,6 +247,12 @@ void Screen::copyBlock(ASurface *src, const Common::Rect &bounds) {
destBounds.translate(_windowXAdd, _windowYAdd + _screenYOff);
copyRectToSurface(*src, destBounds.left, destBounds.top, bounds);
addDirtyRect(destBounds);
}
void Screen::restoreBlock() {
ASurface::restoreBlock();
addDirtyRect(_savedBounds);
}
void Screen::setPaletteCycle(int startCycle, int endCycle, int timer) {
@ -276,4 +290,8 @@ void Screen::cyclePaletteBackwards() {
}
}
void Screen::addDirtyRect(const Common::Rect &r) {
_dirtyRects.push_back(r);
}
} // End of namespace Access