55 lines
2 KiB
C
55 lines
2 KiB
C
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/* 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 BACKENDS_GRAPHICS_ATARI_C2P_ASM_H
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#define BACKENDS_GRAPHICS_ATARI_C2P_ASM_H
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#include "common/scummsys.h"
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extern "C" {
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/**
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* Chunky to planar conversion routine. Converts a chunky (byte) buffer into eight bitplanes.
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* Optimized for surface-to-surface copy with the same pitch.
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*
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* @param pChunky chunky buffer start
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* @param pChunkyEnd chunky buffer end (including the last byte)
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* @param pScreen bitplane screen start
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*/
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void asm_c2p1x1_8(const byte *pChunky, const byte *pChunkyEnd, byte *pScreen);
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/**
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* Chunky to planar conversion routine. Converts a chunky (byte) buffer into eight bitplanes.
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* Optimized for arbitrary rectangle position and dimension (16px aligned).
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*
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* @param pChunky chunky buffer at rectangle's [X1, Y1] position
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* @param pChunkyEnd chunky buffer at rectangle's [X2, Y2] position (included)
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* @param chunkyWidth rectangle width
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* @param chunkyPitch chunky buffer width (in bytes)
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* @param pScreen bitplane screen at rectangle's [X1, Y1] position
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* @param screenPitch bitplane screen width (in bytes)
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*/
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void asm_c2p1x1_8_rect(const byte *pChunky, const byte *pChunkyEnd, uint32 chunkyWidth, uint32 chunkyPitch, byte *pScreen, uint32 screenPitch);
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}
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#endif
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