- Replace OSystem::clearScreen with OSystem::fillScreen as discussed on -devel.

- Update BaseBackend and DC port to properly implement OSystem::fillScreen (now only PalmOS has to be updated).
- Update all client code which relied on OSystem::clearScreen so far.

svn-id: r38304

4 files changed, 7 insertions, 7 deletions

diff --git a/backends/base-backend.cpp b/backends/base-backend.cpp
index 4c4b78b6cb..92194c6d32 100644
--- a/backends/base-backend.cpp
+++ b/backends/base-backend.cpp
@@ -45,10 +45,10 @@ Common::EventManager *BaseBackend::getEventManager() {
 	return s_eventManager;
 }
 
-void BaseBackend::clearScreen() {
+void BaseBackend::fillScreen(uint32 col) {
 	Graphics::Surface *screen = lockScreen();
 	if (screen && screen->pixels)
-		memset(screen->pixels, 0, screen->h * screen->pitch);
+		memset(screen->pixels, col, screen->h * screen->pitch);
 	unlockScreen();
 }
 
diff --git a/backends/base-backend.h b/backends/base-backend.h
index 6cf04e8c6e..697577cd33 100644
--- a/backends/base-backend.h
+++ b/backends/base-backend.h
@@ -33,7 +33,7 @@ class BaseBackend : public OSystem, EventProvider {
 public:
 	virtual Common::EventManager *getEventManager();
 	virtual void displayMessageOnOSD(const char *msg);
-	virtual void clearScreen();
+	virtual void fillScreen(uint32 col);
 
 	virtual Common::SeekableReadStream *createConfigReadStream();
 	virtual Common::WriteStream *createConfigWriteStream();
diff --git a/backends/platform/dc/dc.h b/backends/platform/dc/dc.h
index eabc013cdd..0b9b9112af 100644
--- a/backends/platform/dc/dc.h
+++ b/backends/platform/dc/dc.h
@@ -88,8 +88,8 @@ class OSystem_Dreamcast : public BaseBackend, public FilesystemFactory {
 	virtual Graphics::Surface *lockScreen();
 	virtual void unlockScreen();
 
-  // Clear the screen to black.
-  void clearScreen();
+  // Fill the screen with a given color
+  void fillScreen(uint32 col);
 
   // Update the dirty areas of the screen
   void updateScreen();
diff --git a/backends/platform/dc/display.cpp b/backends/platform/dc/display.cpp
index c6c8594aee..aa51123682 100644
--- a/backends/platform/dc/display.cpp
+++ b/backends/platform/dc/display.cpp
@@ -626,9 +626,9 @@ void OSystem_Dreamcast::unlockScreen()
   _screen_dirty = true;
 }
 
-void OSystem_Dreamcast::clearScreen()
+void OSystem_Dreamcast::fillScreen(uint32 col)
 {
-  memset(screen, 0, SCREEN_W*SCREEN_H);
+  memset(screen, col, SCREEN_W*SCREEN_H);
   _screen_dirty = true;
 }