A lot of changes

include/Render/SalmonRender/SalmonRenderInterface.h

@@ -30,6 +30,9 @@ protected:
 
 	float GlobalShadowAreaHalfSize;
 
+	cardinal BkgTexID;
+	std::string BkgShaderName;
+
 	void CalcCamPosVec();
 
 	virtual void DrawQuad(const T2DQuad& quad) = 0;
@@ -78,6 +81,11 @@ public:
 	void BeginDrawToDepthBufferGlobal(std::string& globalBufferName);
 	void BeginDrawToDepthBufferLocal(std::string& localBufferName);
 	void EndDrawToDepthBuffer();
+
+	void SetBackgroundCubemap(cardinal bkgTex) { BkgTexID = bkgTex; }
+	void SetBackgroundShader(const std::string& shaderName) { BkgShaderName = shaderName; }
+
+	void DrawBackground();
 	
 };