text: /** 
   * @file lldrawpoolsky.h
   * @brief LLDrawPoolSky class definition
   *
   * $LicenseInfo:firstyear=2002&license=viewerlgpl$
   * Second Life Viewer Source Code
   * Copyright (C) 2010, Linden Research, Inc.
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation;
   * version 2.1 of the License only.
   * 
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   * 
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
   * 
   * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
   * $/LicenseInfo$
   */
  
  #ifndef LL_LLDRAWPOOLSKY_H
  #define LL_LLDRAWPOOLSKY_H
  
  #include "lldrawpool.h"
  
  class LLSkyTex;
  class LLGLSLShader;
  
  class LLDrawPoolSky : public LLFacePool
  {
  private:
  	LLSkyTex			*mSkyTex;
  	LLGLSLShader		*mShader;
  
  public:
  	enum
  	{
  		VERTEX_DATA_MASK =	LLVertexBuffer::MAP_VERTEX |
  							LLVertexBuffer::MAP_TEXCOORD0
  	};
  
  	virtual U32 getVertexDataMask() { return VERTEX_DATA_MASK; }
  
  	LLDrawPoolSky();
  
  	/*virtual*/ S32 getNumPostDeferredPasses() { return getNumPasses(); }
  	/*virtual*/ void beginPostDeferredPass(S32 pass) { beginRenderPass(pass); }
  	/*virtual*/ void endPostDeferredPass(S32 pass) { endRenderPass(pass); }
  	/*virtual*/ void renderPostDeferred(S32 pass) { render(pass); }
  
  	/*virtual*/ void prerender();
  	/*virtual*/ void render(S32 pass = 0);
  	/*virtual*/ void endRenderPass(S32 pass);
  	void setSkyTex(LLSkyTex* const st) { mSkyTex = st; }
  
  	void renderSkyFace(U8 index);
  	void renderHeavenlyBody(U8 hb, LLFace* face);
  	void renderSunHalo(LLFace* face);
  
  };
  
  #endif // LL_LLDRAWPOOLSKY_H
  