LAB: Prevent excessive screen updates when checking for events

3 files changed, 2 insertions, 7 deletions

diff --git a/engines/lab/dispman.cpp b/engines/lab/dispman.cpp
index 17623d4f08..41f51ddbed 100644
--- a/engines/lab/dispman.cpp
+++ b/engines/lab/dispman.cpp
@@ -404,6 +404,7 @@ void DisplayMan::drawHLine(uint16 x1, uint16 y, uint16 x2, byte color) {
 
 void DisplayMan::screenUpdate() {
 	_vm->_system->copyRectToScreen(_displayBuffer, _screenWidth, 0, 0, _screenWidth, _screenHeight);
+	_vm->_console->onFrame();
 	_vm->_system->updateScreen();
 
 	_vm->_event->processInput();
diff --git a/engines/lab/eventman.cpp b/engines/lab/eventman.cpp
index f9b3d2f388..969cb8d8ce 100644
--- a/engines/lab/eventman.cpp
+++ b/engines/lab/eventman.cpp
@@ -185,10 +185,6 @@ void EventManager::processInput() {
 			break;
 		}
 	}
-
-	_vm->_system->copyRectToScreen(_vm->_graphics->_displayBuffer, _vm->_graphics->_screenWidth, 0, 0, _vm->_graphics->_screenWidth, _vm->_graphics->_screenHeight);
-	_vm->_console->onFrame();
-	_vm->_system->updateScreen();
 }
 
 Common::Point EventManager::updateAndGetMousePos() {
diff --git a/engines/lab/lab.cpp b/engines/lab/lab.cpp
index 47b864d98b..d94c8bfeae 100644
--- a/engines/lab/lab.cpp
+++ b/engines/lab/lab.cpp
@@ -225,10 +225,8 @@ void LabEngine::changeVolume(int delta) {
 }
 
 void LabEngine::waitTOF() {
-	_system->copyRectToScreen(_graphics->_displayBuffer, _graphics->_screenWidth, 0, 0, _graphics->_screenWidth, _graphics->_screenHeight);
-	_system->updateScreen();
-
 	_event->processInput();
+	_graphics->screenUpdate();
 
 	uint32 now;