1 files changed, 25 insertions, 1 deletions

diff --git a/Source/Asura.Engine/Graphics/RenderTarget.h b/Source/Asura.Engine/Graphics/RenderTarget.h
index 05d7068..afa8967 100644
--- a/Source/Asura.Engine/Graphics/RenderTarget.h
+++ b/Source/Asura.Engine/Graphics/RenderTarget.h
@@ -1,20 +1,24 @@
 #ifndef __ASURA_ENGINE_RENDERTARGET_H__
 #define __ASURA_ENGINE_RENDERTARGET_H__
 
+#include "Math/Rect.hpp"
 #include "Texture.h"
 #include "Object.h"
+#include "Color.h"
 
 namespace AsuraEngine
 {
 	namespace Graphics
 	{
 
+		class Drawable;
+
 		///
 		/// �ɱ���Ϊ��ȾĿ����࣬��������
 		///     Canvas(RenderTexture) 
 		///     Window(RenderWindow)
 		///
-		class RenderTarget : virtual public Object 
+		class RenderTarget : virtual public Object
 		{
 		public:
 
@@ -22,6 +26,26 @@ namespace AsuraEngine
 
 			virtual ~RenderTarget() {};
 
+			///
+			/// ����ɫcol�������RT
+			///
+			virtual void Clear(const Color& col = Color::Black) = 0;
+
+			///
+			/// ����ɫcol��ղ���RT
+			///
+			virtual void Clear(const Math::Recti& quad, const Color& col = Color::Black) = 0;
+
+			///
+			/// ����texture����RT��
+			///
+			virtual void Draw(const Drawable* texture, const RenderState& state) = 0;
+
+			///
+			/// ����һ����texture����RT��
+			///
+			virtual void Draw(const Drawable* texture, const Math::Recti& quad, const RenderState& state) = 0;
+
 		};
 
 	}