From 3f457498b9c39d40a16a0ec6328880854f8cf4de Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 26 Feb 2019 08:48:54 +0800
Subject: *misc

---
 Source/Asura.Engine/Graphics/Texture.h | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'Source/Asura.Engine/Graphics/Texture.h')

diff --git a/Source/Asura.Engine/Graphics/Texture.h b/Source/Asura.Engine/Graphics/Texture.h
index 06461ce..e5b713c 100644
--- a/Source/Asura.Engine/Graphics/Texture.h
+++ b/Source/Asura.Engine/Graphics/Texture.h
@@ -1,8 +1,10 @@
 #ifndef __ASURA_ENGINE_TEXTURE_H__
 #define __ASURA_ENGINE_TEXTURE_H__
 
+#include "Math/Rect.h"
+#include "Scripting/Luax.hpp"
 #include "Object.h"
-#include "Luax/luax.h"
+#include "GL.h"
 
 namespace AsuraEngine
 {
@@ -10,13 +12,40 @@ namespace AsuraEngine
 	{
 
 		///
-		/// 2D纹理抽象类，在2d mesh和render target中被使用
+		/// 2D纹理抽象类，在2d mesh和render target中被使用。Texture的渲染原点在左上角，游戏里面的上层会以笛卡尔坐标系为标准。
+		/// 在Editor里面界面和组件也是以左上角为原点，这样是为了方便。
 		///
 		class Texture : virtual public Object
 		{
+		public:
+
+			Texture();
+
+			virtual ~Texture();
+
+			GLuint GetGLTextureHandle() const;
+
+			///
+			/// 渲染整个texture到rt上，原点在左上角，向右，向下延伸
+			///
+			virtual void Render(int x, int y, int sx, int sy, int ox, int oy, int r) = 0;
+
+			/// 
+			/// 渲染texture的一部分到rt上，原点在左上角，向右，向下延伸。
+			/// 
+			virtual void Render(const Math::Rect& quad, int x, int y, int sx, int sy, int ox, int oy, int r) = 0;
+
+		protected: 
+
+			///
+			/// OpenGL texture handle。
+			///
+			GLuint mTextureHandle;
 
 		};
 
+		using Renderable = Texture;
+
 	}
 }
 
-- 
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