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diff engine/core/video/renderbackend.h @ 633:46b95d06c8c2

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* Renamed RenderBackend::isClearNeeded() to RenderBackend::setClearScreen(). It is no longer pure virtual. Also documented it's functionality.
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 06 Oct 2010 14:09:24 +0000
parents 356634098bd9
children 5f381fa34769
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line diff
--- a/engine/core/video/renderbackend.h	Tue Oct 05 19:42:54 2010 +0000
+++ b/engine/core/video/renderbackend.h	Wed Oct 06 14:09:24 2010 +0000
@@ -103,7 +103,10 @@
 		 */
 		virtual Image* createImage(SDL_Surface* surface) = 0;
 
-		virtual void isClearNeeded(bool clear) = 0;
+		/** Sets if the screen (backbuffer) should be cleared before rendering the next frame
+		 * @param clear true = clear screen before next frame, false = do not clear screen
+		 */
+		void setClearScreen(bool clear) { m_clear = clear; };
 
 		/** Returns a pointer to the main screen Image
 		 * @return A pointer to the main screen Image, or 0 if no mainscreen exists.
@@ -146,6 +149,7 @@
 
 	protected:
 		Image* m_screen;
+		bool m_clear;
 		bool m_isalphaoptimized;
 		unsigned int m_chunkingsize;
 		bool m_iscolorkeyenabled;