/** * @file lllocalcliprect.h * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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 LLLOCALCLIPRECT_H #define LLLOCALCLIPRECT_H #include "llgl.h" #include "llrect.h" // can't forward declare, it's templated #include <stack> // Clip rendering to a specific rectangle using GL scissor // Just create one of these on the stack: // { // LLLocalClipRect(rect); // draw(); // } class LLScreenClipRect { public: LLScreenClipRect(const LLRect& rect, BOOL enabled = TRUE); virtual ~LLScreenClipRect(); private: static void pushClipRect(const LLRect& rect); static void popClipRect(); static void updateScissorRegion(); private: LLGLState mScissorState; BOOL mEnabled; static std::stack<LLRect> sClipRectStack; }; class LLLocalClipRect : public LLScreenClipRect { public: LLLocalClipRect(const LLRect& rect, BOOL enabled = TRUE); ~LLLocalClipRect(); }; #endif