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Codechange: Generalise the delayed blitter change to a generic video driver command queue.

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This commit is contained in:
Michael Lutz
2021-05-01 19:39:03 +02:00
parent 2cf5df2a50
commit 91b8ce073f
3 changed files with 55 additions and 34 deletions
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24
src/gfxinit.cpp
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@@ -244,6 +244,28 @@ static void LoadSpriteTables()
}
static void RealChangeBlitter(const char *repl_blitter)
{
const char *cur_blitter = BlitterFactory::GetCurrentBlitter()->GetName();
if (strcmp(cur_blitter, repl_blitter) == 0) return;
DEBUG(driver, 1, "Switching blitter from '%s' to '%s'... ", cur_blitter, repl_blitter);
Blitter *new_blitter = BlitterFactory::SelectBlitter(repl_blitter);
if (new_blitter == nullptr) NOT_REACHED();
DEBUG(driver, 1, "Successfully switched to %s.", repl_blitter);
if (!VideoDriver::GetInstance()->AfterBlitterChange()) {
/* Failed to switch blitter, let's hope we can return to the old one. */
if (BlitterFactory::SelectBlitter(cur_blitter) == nullptr || !VideoDriver::GetInstance()->AfterBlitterChange()) usererror("Failed to reinitialize video driver. Specify a fixed blitter in the config");
}
/* Clear caches that might have sprites for another blitter. */
VideoDriver::GetInstance()->ClearSystemSprites();
ClearFontCache();
GfxClearSpriteCache();
ReInitAllWindows(false);
}
/**
* Check blitter needed by NewGRF config and switch if needed.
* @return False when nothing changed, true otherwise.
@@ -309,7 +331,7 @@ static bool SwitchNewGRFBlitter()
if (BlitterFactory::GetBlitterFactory(repl_blitter) == nullptr) continue;
/* Inform the video driver we want to switch blitter as soon as possible. */
VideoDriver::GetInstance()->ChangeBlitter(repl_blitter);
VideoDriver::GetInstance()->QueueOnMainThread(std::bind(&RealChangeBlitter, repl_blitter));
break;
}