scummvm/backends/graphics/opendingux/opendingux-graphics.cpp
Christophe Branchereau 7fa860166e OPENDINGUX: use 320x200 videomode for the RG99 instead of 320x240
This allows the software upscaler to kick in, which looks
much better than IPU upscaling on the RG99

Signed-off-by: Christophe Branchereau <cbranchereau@gmail.com>
2023-01-23 12:04:25 +01:00

71 lines
2.2 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "backends/graphics/opendingux/opendingux-graphics.h"
void OpenDinguxGraphicsManager::initGraphicsSurface() {
Uint32 flags = _videoMode.isHwPalette ? (SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF) : SDL_SWSURFACE;
#ifndef RS90
flags |= SDL_FULLSCREEN;
#endif
_hwScreen = SDL_SetVideoMode(_videoMode.hardwareWidth, _videoMode.hardwareHeight, _videoMode.isHwPalette ? 8 : 16,
flags);
_isDoubleBuf = flags & SDL_DOUBLEBUF;
}
void OpenDinguxGraphicsManager::getDefaultResolution(uint &w, uint &h) {
#ifdef RS90
SDL_PixelFormat p;
p.BitsPerPixel = 16;
p.BytesPerPixel = 2;
p.Rloss = 3;
p.Gloss = 2;
p.Bloss = 3;
p.Rshift = 11;
p.Gshift = 5;
p.Bshift = 0;
p.Rmask = 0xf800;
p.Gmask = 0x07e0;
p.Bmask = 0x001f;
p.colorkey = 0;
p.alpha = 0;
// Only native screen resolution is supported in RGB565 fullscreen hwsurface.
SDL_Rect const* const*availableModes = SDL_ListModes(&p, SDL_FULLSCREEN|SDL_HWSURFACE);
w = availableModes[0]->w;
h = availableModes[0]->h;
// Request 320x200 for the RG99, to let the software aspect correction kick in
if ( w == 320 && h == 480 ) h = 200;
#else
w = 320;
h = 200;
#endif
}
void OpenDinguxGraphicsManager::setupHardwareSize() {
#ifdef RS90
_videoMode.isHwPalette = true;
_videoMode.scaleFactor = 1;
#else
_videoMode.isHwPalette = false;
#endif
SurfaceSdlGraphicsManager::setupHardwareSize();
}