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Some dirty rectangle related code

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svn-id: r35267
This commit is contained in:
Filippos Karapetis 2008-12-07 00:27:39 +00:00
parent c69cacfe2d
commit 5d1e3fd03e
3 changed files with 14 additions and 6 deletions
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14
engines/saga/render.cpp
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@ -204,14 +204,22 @@ void Render::drawScene() {
_system->updateScreen();
}
void Render::addDirtyRect(Common::Rect rect) {
// Check if the new rectangle is contained within another in the list
Common::List<Common::Rect>::const_iterator it;
for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
if (it->contains(rect))
return;
}
_dirtyRects.push_back(rect);
}
void Render::drawDirtyRects() {
if (_fullRefresh) {
_system->copyRectToScreen(_vm->_gfx->getBackBufferPixels(), _vm->_gfx->getBackBufferWidth(), 0, 0,
_vm->_gfx->getBackBufferWidth(), _vm->_gfx->getBackBufferHeight());
} else {
// TODO: check if dirty rectangles are intersecting or contained within each other
Common::List<Common::Rect>::const_iterator it;
for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
g_system->copyRectToScreen(_vm->_gfx->getBackBufferPixels(), it->width(), it->left, it->top, it->width(), it->height());