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90 lines
2.7 KiB
C
90 lines
2.7 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 ENGINES_UTIL_H
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#define ENGINES_UTIL_H
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#include "common/array.h"
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#include "common/scummsys.h"
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#include "common/list.h"
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#include "graphics/pixelformat.h"
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#include "graphics/mode.h"
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/**
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* @defgroup engines_util Util
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* @ingroup engines
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*
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* @brief Various utility functions related to engines.
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*
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* @{
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*/
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/**
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* Set up the graphics mode of the backend.
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*/
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void initCommonGFX();
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/**
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* Send a list of graphics modes to the backend so it can make a decision
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* about the best way to set up the display hardware.
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*
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* Engines that switch between different virtual screen sizes during the game
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* should call this function prior to any call to initGraphics. Engines that use
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* only a single screen size do not need to call this function.
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*/
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void initGraphicsModes(const Graphics::ModeList &modes);
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/**
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* Set up the screen size and graphics mode of the backend.
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*
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* Shows various warnings on certain backend graphics
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* transaction failures (aspect switch, fullscreen switch, etc.).
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*
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* An error dialog will be generated when the backend is not able to switch
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* to the specified mode.
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*
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* Defaults to CLUT8 (256 color palette) if only width and height provided.
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* If graphics format is explicitly set to nullptr, uses the preferred format of
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* the backend.
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* Finds the best compatible format if a list of graphics formats is provided.
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*/
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void initGraphics(int width, int height);
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/**
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* @overload
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*/
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void initGraphics(int width, int height, const Graphics::PixelFormat *format);
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/**
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* @overload
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*/
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void initGraphics(int width, int height, const Common::List<Graphics::PixelFormat> &formatList);
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/**
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* @overload
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*/
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void initGraphics3d(int width, int height);
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/**
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* Inits any of the modes in "modes". "modes" is in the order of preference.
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* Return value is index in modes of resulting mode.
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*/
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int initGraphicsAny(const Graphics::ModeWithFormatList &modes, int start = 0);
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/** @} */
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#endif
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