void OpenGLGraphicsManager::displayActivityIconOnOSD(const Graphics::Surface *icon) {
#ifdef USE_OSD
if (_osdIconSurface) {
delete _osdIconSurface;
_osdIconSurface = nullptr;
// Make sure the icon is cleared on the next update
_forceRedraw = true;
}
if (icon) {
Graphics::Surface *converted = icon->convertTo(_defaultFormatAlpha);
_osdIconSurface = createSurface(_defaultFormatAlpha);
assert(_osdIconSurface);
// We always filter the osd with GL_LINEAR. This assures it's
// readable in case it needs to be scaled and does not affect it
// otherwise.
_osdIconSurface->enableLinearFiltering(true);
_osdIconSurface->allocate(converted->w, converted->h);
Graphics::Surface *dst = _osdIconSurface->getSurface();
// Copy the icon to the texture
dst->copyRectToSurface(*converted, 0, 0, Common::Rect(0, 0, converted->w, converted->h));
converted->free();
delete converted;
}
#endif
}
Graphics::Surface *RenderManager::getBkgRect(Common::Rect &rect) {
Common::Rect dst = rect;
dst.clip(_backgroundWidth, _backgroundHeight);
if (dst.isEmpty() || !dst.isValidRect())
return NULL;
Graphics::Surface *srf = new Graphics::Surface;
srf->create(dst.width(), dst.height(), _currentBackgroundImage.format);
srf->copyRectToSurface(_currentBackgroundImage, 0, 0, Common::Rect(dst));
return srf;
}
void blit(const Graphics::Surface &src, Graphics::Surface &dst) {
dst.copyRectToSurface(src.getPixels(), src.pitch, 0, 0, src.w, src.h);
}