Imported existing code

indra/newview/lldrawpoolalpha.h

@@ -0,0 +1,95 @@
+/** 
+ * @file lldrawpoolalpha.h
+ * @brief LLDrawPoolAlpha class definition
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLDRAWPOOLALPHA_H
+#define LL_LLDRAWPOOLALPHA_H
+
+#include "lldrawpool.h"
+#include "llframetimer.h"
+
+class LLFace;
+class LLColor4;
+class LLGLSLShader;
+
+class LLDrawPoolAlpha: public LLRenderPass
+{
+public:
+	enum
+	{
+		VERTEX_DATA_MASK =	LLVertexBuffer::MAP_VERTEX |
+							LLVertexBuffer::MAP_NORMAL |
+							LLVertexBuffer::MAP_COLOR |
+							LLVertexBuffer::MAP_TEXCOORD0
+	};
+	virtual U32 getVertexDataMask() { return VERTEX_DATA_MASK; }
+
+	LLDrawPoolAlpha(U32 type = LLDrawPool::POOL_ALPHA);
+	/*virtual*/ ~LLDrawPoolAlpha();
+
+	/*virtual*/ S32 getNumDeferredPasses();
+	/*virtual*/ void beginDeferredPass(S32 pass);
+	/*virtual*/ void endDeferredPass(S32 pass);
+	/*virtual*/ void renderDeferred(S32 pass);
+
+	/*virtual*/ S32 getNumPostDeferredPasses();
+	/*virtual*/ void beginPostDeferredPass(S32 pass);
+	/*virtual*/ void endPostDeferredPass(S32 pass);
+	/*virtual*/ void renderPostDeferred(S32 pass);
+
+	/*virtual*/ void beginRenderPass(S32 pass = 0);
+	/*virtual*/ void endRenderPass( S32 pass );
+	/*virtual*/ S32	 getNumPasses() { return 1; }
+
+	virtual void render(S32 pass = 0);
+	/*virtual*/ void prerender();
+
+	void renderGroupAlpha(LLSpatialGroup* group, U32 type, U32 mask, BOOL texture = TRUE);
+	void renderAlpha(U32 mask);
+	void renderAlphaHighlight(U32 mask);
+	
+	static BOOL sShowDebugAlpha;
+
+private:
+	LLGLSLShader* current_shader;
+	LLGLSLShader* target_shader;
+	LLGLSLShader* simple_shader;
+	LLGLSLShader* fullbright_shader;	
+};
+
+class LLDrawPoolAlphaPostWater : public LLDrawPoolAlpha
+{
+public:
+	LLDrawPoolAlphaPostWater();
+	virtual void render(S32 pass = 0);
+};
+
+#endif // LL_LLDRAWPOOLALPHA_H