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view src/video/epoc/SDL_epocvideo.h @ 1798:49b4b8413734

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Date: Tue, 9 May 2006 23:01:49 -0400 From: Mike Frysinger Subject: [SDL] [patch] fall back to using MAP_PRIVATE with mmap() in fbcon dri trying to use MAP_SHARED with mmap() on uClinux (aka non-mmu) hosts nowadays will simply fail since the kernel disallows it ... falling back to using MAP_PRIVATE on these hosts is acceptable ... as such, ive attached a patch for the fbcon driver that will fall back to using MAP_PRIVATE if mmap() with MAP_SHARED failed going by a grep of MAP_SHARED, the only other drivers that utilize this flag are video/wscons, video/ps2gs, and sound/dmaaudio ... i dont think these would appear on a non-mmu host so the patch i wrote is restricted to just SDL_fbvideo.c ... -mike
author Sam Lantinga <slouken@libsdl.org>
date Wed, 10 May 2006 04:05:46 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb
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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"

/*
    SDL_epocvideo.h
    Epoc based SDL video driver implementation

    Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi)
*/

#ifndef _SDL_epocvideo_h
#define _SDL_epocvideo_h

extern "C" {
#include "SDL_mouse.h"
#include "../SDL_sysvideo.h"
};

#include <e32std.h>
#include <bitdev.h> 
#include <w32std.h>

/* Hidden "this" pointer for the video functions */
#define _THIS	SDL_VideoDevice *_this
#define Private	_this->hidden

#define SDL_NUMMODES	4

/* Private display data */
struct SDL_PrivateVideoData {

    SDL_Rect            *SDL_modelist[SDL_NUMMODES+1];

	/* Epoc window server info */
    
    RWsSession			EPOC_WsSession;
	RWindowGroup		EPOC_WsWindowGroup;
    TInt                EPOC_WsWindowGroupID;
	RWindow				EPOC_WsWindow;
	CWsScreenDevice*	EPOC_WsScreen;
	CWindowGc*			EPOC_WindowGc;
	TRequestStatus		EPOC_WsEventStatus;
	TRequestStatus		EPOC_RedrawEventStatus;
	TWsEvent			EPOC_WsEvent;
	TWsRedrawEvent		EPOC_RedrawEvent;
    #ifdef __WINS__
    CWsBitmap*          EPOC_Bitmap;
    #endif
    TBool               EPOC_IsWindowFocused; //!!Not used for anything yet!

    /* Screen hardware frame buffer info */

   	TBool				EPOC_HasFrameBuffer;
	TInt				EPOC_BytesPerPixel;
	TInt				EPOC_BytesPerScanLine;
	TDisplayMode		EPOC_DisplayMode;
	TSize				EPOC_ScreenSize;
	TUint8*				EPOC_FrameBuffer;		/* if NULL in HW we can't do direct screen access */
    TInt                EPOC_ScreenOffset;

    /* Simulate double screen height */
    TBool               EPOC_ShrinkedHeight;
};

extern "C" {
extern void RedrawWindowL(_THIS);
};


#endif /* _SDL_epocvideo_h */