diff options
| -rw-r--r-- | engines/pegasus/graphics.cpp | 22 | ||||
| -rw-r--r-- | engines/pegasus/graphics.h | 2 |
2 files changed, 18 insertions, 6 deletions
diff --git a/engines/pegasus/graphics.cpp b/engines/pegasus/graphics.cpp index e37150e75a..05217fabcd 100644 --- a/engines/pegasus/graphics.cpp +++ b/engines/pegasus/graphics.cpp @@ -44,6 +44,7 @@ GraphicsManager::GraphicsManager(PegasusEngine *vm) : _vm(vm) { _firstDisplayElement = _lastDisplayElement = 0; _workArea.create(640, 480, _vm->_system->getScreenFormat()); _lastMousePosition = Common::Point(-1, -1); + _modifiedScreen = false; } GraphicsManager::~GraphicsManager() { @@ -162,22 +163,31 @@ void GraphicsManager::updateDisplay() { // TODO: Better logic; it does a bit more work than it probably needs to // but it should work fine for now. - if (bounds.intersects(_dirtyRect) && runner->validToDraw(_backLayer, _frontLayer)) + if (bounds.intersects(_dirtyRect) && runner->validToDraw(_backLayer, _frontLayer)) { runner->draw(bounds); + screenDirty = true; + } } // Copy only the dirty rect to the screen - g_system->copyRectToScreen((byte *)_workArea.getBasePtr(_dirtyRect.left, _dirtyRect.top), _workArea.pitch, _dirtyRect.left, _dirtyRect.top, _dirtyRect.width(), _dirtyRect.height()); - - // Mark the screen as dirty - screenDirty = true; + if (screenDirty) + g_system->copyRectToScreen((byte *)_workArea.getBasePtr(_dirtyRect.left, _dirtyRect.top), _workArea.pitch, _dirtyRect.left, _dirtyRect.top, _dirtyRect.width(), _dirtyRect.height()); // Clear the dirty rect _dirtyRect = Common::Rect(); } - if (screenDirty) + if (screenDirty || _modifiedScreen) g_system->updateScreen(); + + _modifiedScreen = false; +} + +void GraphicsManager::clearScreen() { + Graphics::Surface *screen = g_system->lockScreen(); + screen->fillRect(Common::Rect(0, 0, 640, 480), g_system->getScreenFormat().RGBToColor(0, 0, 0)); + g_system->unlockScreen(); + _modifiedScreen = true; } } // End of namespace Pegasus diff --git a/engines/pegasus/graphics.h b/engines/pegasus/graphics.h index ebaaeb2c6c..90d0f33a73 100644 --- a/engines/pegasus/graphics.h +++ b/engines/pegasus/graphics.h @@ -52,10 +52,12 @@ public: tDisplayOrder getFrontOfActiveLayer() const { return _frontLayer; } void updateDisplay(); Graphics::Surface *getWorkArea() { return &_workArea; } + void clearScreen(); private: PegasusEngine *_vm; + bool _modifiedScreen; Common::Rect _dirtyRect; tDisplayOrder _backLayer, _frontLayer; DisplayElement *_firstDisplayElement, *_lastDisplayElement; |