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https://github.com/libretro/scummvm.git
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56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GRAPHICS_TEXELBUFFER_H
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#define GRAPHICS_TEXELBUFFER_H
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#include "graphics/pixelformat.h"
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namespace TinyGL {
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class TexelBuffer {
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public:
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TexelBuffer(uint width, uint height, uint textureSize);
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virtual ~TexelBuffer() {};
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void getARGBAt(
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uint wrap_s, uint wrap_t,
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int s, int t,
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uint8 &a, uint8 &r, uint8 &g, uint8 &b
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) const;
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protected:
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virtual void getARGBAt(
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uint pixel,
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uint ds, uint dt,
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uint8 &a, uint8 &r, uint8 &g, uint8 &b
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) const = 0;
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uint _width, _height, _fracTextureUnit, _fracTextureMask;
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float _widthRatio, _heightRatio;
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};
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TexelBuffer *createNearestTexelBuffer(const byte *buf, const Graphics::PixelFormat &pf, uint format, uint type, uint width, uint height, uint textureSize);
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TexelBuffer *createBilinearTexelBuffer(byte *buf, const Graphics::PixelFormat &pf, uint format, uint type, uint width, uint height, uint textureSize);
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} // end of namespace TinyGL
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#endif
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