Mercurial > sdl-ios-xcode
view src/video/xbios/SDL_xbios_centscreen.c @ 2226:0e70b4b8cf84
Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
From: couriersud arcor.de
To: slouken@libsdl.org
Subject: Directfb driver for SDL1.3
Hi,
the attachment contains a patch for a SDL1.3 directfb driver. It supports:
- Renderer "directfb":
Hardware acceleration as supported by the underlying directfb driver. With a
radeon X850, testsprite2 runs at 50% to 70% of OpenGL (X11, dri) performance.
Also supports hardware accelerated yuv overlays. This must be enabled by sett
ing:
export SDL_DIRECTFB_YUV_DIRECT=1
- Renderer "opengl"
Supports software opengl using mesa opengl (make linux-directfb).
Some more information may be found in README.DirectFB
There will certainly still be some bugs, and there is some debug code around.
When I find some time, I will compile against directfb-0.9.25 as distributed
with ubuntu 7.04.
The diff also contains a fix for SDL_LockYUVOverlay fixing a bug in *pixels
and pitches initialization.
Kind regards,
couriersud
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 11 Aug 2007 21:51:19 +0000 |
parents | 0e751c1f83f5 |
children | 99210400e8b9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* Centscreen extension definitions Patrice Mandin */ #include <mint/falcon.h> #include "SDL_xbios.h" #include "SDL_xbios_centscreen.h" int SDL_XBIOS_CentscreenInit(_THIS) { #if 0 centscreen_mode_t curmode, listedmode; unsigned long result; int cur_handle; /* Current Centscreen mode handle */ /* Reset current mode list */ if (XBIOS_modelist) { SDL_free(XBIOS_modelist); XBIOS_nummodes = 0; XBIOS_modelist = NULL; } /* Add Centscreen modes */ Vread(&curmode); cur_handle = curmode.handle; curmode.mode = curmode.physx = curmode.physy = curmode.plan = curmode.logx = curmode.logy = -1; result = Vfirst(&curmode, &listedmode); if (result == 0) { while (result == 0) { /* Don't add modes with virtual screen */ if ((listedmode.mode & CSCREEN_VIRTUAL) == 0) { /* Don't add modes with bpp<8 */ if (listedmode.plan >= 8) { SDL_XBIOS_AddMode(this, listedmode.mode, listedmode.physx, listedmode.physy, listedmode.plan, SDL_FALSE); } } SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t)); curmode.mode = curmode.physx = curmode.physy = curmode.plan = curmode.logx = curmode.logy = -1; result = Vnext(&curmode, &listedmode); } } else { fprintf(stderr, "No suitable Centscreen modes\n"); } return cur_handle; #else return -1; #endif } void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes) { #if 0 centscreen_mode_t newmode, curmode; newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1; newmode.physx = width; newmode.physy = height; newmode.plan = planes; Vwrite(0, &newmode, &curmode); /* Disable screensaver */ Vread(&newmode); newmode.mode &= ~(CSCREEN_SAVER | CSCREEN_ENERGYSTAR); Vwrite(0, &newmode, &curmode); #endif } void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle) { #if 0 centscreen_mode_t newmode, curmode; /* Restore old video mode */ newmode.handle = prev_handle; newmode.mode = newmode.physx = newmode.physy = newmode.plan = newmode.logx = newmode.logy = -1; Vwrite(0, &newmode, &curmode); #endif } /* vi: set ts=4 sw=4 expandtab: */