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-rw-r--r--src/video/video_driver.hpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/video/video_driver.hpp b/src/video/video_driver.hpp
index 8ba1d2466..875125ebc 100644
--- a/src/video/video_driver.hpp
+++ b/src/video/video_driver.hpp
@@ -161,6 +161,19 @@ protected:
*/
virtual void InputLoop() {}
+ /**
+ * Make sure the video buffer is ready for drawing.
+ * @returns True if the video buffer has to be unlocked.
+ */
+ virtual bool LockVideoBuffer() {
+ return false;
+ }
+
+ /**
+ * Unlock a previously locked video buffer.
+ */
+ virtual void UnlockVideoBuffer() {}
+
std::chrono::steady_clock::duration GetGameInterval()
{
return std::chrono::milliseconds(MILLISECONDS_PER_TICK);