65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/**
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* @file lllocalcliprect.h
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LLLOCALCLIPRECT_H
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#define LLLOCALCLIPRECT_H
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#include "llgl.h"
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#include "lllocalcliprect.h"
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#include "llrect.h" // can't forward declare, it's templated
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#include <stack>
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// Clip rendering to a specific rectangle using GL scissor
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// Just create one of these on the stack:
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// {
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// LLLocalClipRect(rect);
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// draw();
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// }
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class LLScreenClipRect
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{
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public:
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LLScreenClipRect(const LLRect& rect, BOOL enabled = TRUE);
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virtual ~LLScreenClipRect();
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private:
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static void pushClipRect(const LLRect& rect);
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static void popClipRect();
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static void updateScissorRegion();
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private:
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LLGLState mScissorState;
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BOOL mEnabled;
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static std::stack<LLRect> sClipRectStack;
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};
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class LLLocalClipRect : public LLScreenClipRect
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{
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public:
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LLLocalClipRect(const LLRect& rect, BOOL enabled = TRUE);
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~LLLocalClipRect();
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};
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#endif
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