79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/**
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* @file llcubemaparray.h
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* @brief LLCubeMap class definition
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*
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* $LicenseInfo:firstyear=2022&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2022, 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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#pragma once
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#include "llgl.h"
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#include <vector>
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class LLVector3;
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class LLCubeMapArray : public LLRefCount
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{
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public:
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LLCubeMapArray();
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LLCubeMapArray(LLCubeMapArray& lhs, U32 width, U32 count);
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static GLenum sTargets[6];
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// look and up vectors for each cube face (agent space)
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static LLVector3 sLookVecs[6];
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static LLVector3 sUpVecs[6];
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// look and up vectors for each cube face (clip space)
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static LLVector3 sClipToCubeLookVecs[6];
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static LLVector3 sClipToCubeUpVecs[6];
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// allocate a cube map array
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// res - resolution of each cube face
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// components - number of components per pixel
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// count - number of cube maps in the array
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// use_mips - if true, mipmaps will be allocated for this cube map array and anisotropic filtering will be used
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void allocate(U32 res, U32 components, U32 count, bool use_mips = true, bool hdr = true);
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void bind(S32 stage);
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void unbind();
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GLuint getGLName();
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void destroyGL();
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// get width of cubemaps in array (they're cubes, so this is also the height)
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U32 getWidth() const { return mWidth; }
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// get number of cubemaps in the array
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U32 getCount() const { return mCount; }
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protected:
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friend class LLTexUnit;
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~LLCubeMapArray();
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LLPointer<LLImageGL> mImage;
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U32 mWidth = 0;
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U32 mCount = 0;
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S32 mTextureStage;
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bool mHDR;
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};
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