/*
    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
*/

#ifndef __SDL_PH_VIDEO_H__
#define __SDL_PH_VIDEO_H__

#include "SDL_mouse.h"
#include "SDL_sysvideo.h"

#include <Ph.h>
#include <Pt.h>
#include <photon/Pg.h>
#include <photon/PdDirect.h>

#ifdef HAVE_OPENGL
    #include <photon/PdGL.h>
#endif /* HAVE_OPENGL */

/* Hidden "this" pointer for the video functions */
#define _THIS	SDL_VideoDevice* this

#define PH_OGL_MAX_ATTRIBS 32

#define SDLPH_PAL_NONE    0x00000000L
#define SDLPH_PAL_EMULATE 0x00000001L
#define SDLPH_PAL_SYSTEM  0x00000002L

typedef struct
{
    unsigned char* Y;
    unsigned char* V;
    unsigned char* U;
} FRAMEDATA;

/* Mask values for SDL_ReallocFormat() */
struct ColourMasks
{
    Uint32 red;
    Uint32 green;
    Uint32 blue;
    Uint32 alpha;
    Uint32 bpp;
};

/* Private display data */
struct SDL_PrivateVideoData
{
    PgDisplaySettings_t mode_settings;	
    PtWidget_t *Window;                  /* used to handle input events */
    PhImage_t *image;	                 /* used to display image       */
#ifdef HAVE_OPENGL
    PdOpenGLContext_t* OGLContext;       /* OpenGL context              */
    Uint32 OGLFlags;                     /* OpenGL flags                */
    Uint32 OGLBPP;                       /* OpenGL bpp                  */
#endif /* HAVE_OPENGL */
    PgColor_t savedpal[_Pg_MAX_PALETTE];
    PgColor_t syspalph[_Pg_MAX_PALETTE];

    struct
    {
        PdDirectContext_t*    direct_context;
        PdOffscreenContext_t* offscreen_context;
        PdOffscreenContext_t* offscreen_backcontext;
        PhDrawContext_t*      oldDC;
        uint8_t*              dc_ptr;
        unsigned char*        CurrentFrameData;
        unsigned char*        FrameData0;
        unsigned char*        FrameData1;
        Uint32                current;
        Uint32                flags;
    } ocimage;

    PgHWCaps_t graphics_card_caps;  /* Graphics card caps at the moment of start   */
    PgVideoModeInfo_t desktop_mode; /* Current desktop video mode information      */
    int old_video_mode;             /* Stored mode before fullscreen switch        */
    int old_refresh_rate;           /* Stored refresh rate befor fullscreen switch */

    int mouse_relative;
    WMcursor* BlankCursor;
    uint32_t videomode_emulatemode;

    Uint32 visualbpp;	            /* current visual bpp                          */
    Uint32 desktopbpp;              /* bpp of desktop at the moment of start       */
    Uint32 desktoppal;              /* palette mode emulation or system            */

    int currently_fullscreen;
    int currently_hided;            /* 1 - window hided (minimazed), 0 - normal    */
    int currently_maximized;        /* 1 - window hided (minimazed), 0 - normal    */

    PhEvent_t* event;
    SDL_Overlay* overlay;
};

#define mode_settings         (this->hidden->mode_settings)
#define window	              (this->hidden->Window)
#define SDL_Image             (this->hidden->image)
#define OCImage               (this->hidden->ocimage)
#define old_video_mode        (this->hidden->old_video_mode)
#define old_refresh_rate      (this->hidden->old_refresh_rate)
#define graphics_card_caps    (this->hidden->graphics_card_caps)
#define desktopbpp            (this->hidden->desktopbpp)
#define visualbpp             (this->hidden->visualbpp)
#define desktoppal            (this->hidden->desktoppal)
#define savedpal              (this->hidden->savedpal)
#define syspalph              (this->hidden->syspalph)
#define currently_fullscreen  (this->hidden->currently_fullscreen)
#define currently_hided       (this->hidden->currently_hided)
#define currently_maximized   (this->hidden->currently_maximized)
#define event                 (this->hidden->event)
#define current_overlay       (this->hidden->overlay)
#define desktop_mode          (this->hidden->desktop_mode)
#define mouse_relative        (this->hidden->mouse_relative)
#define SDL_BlankCursor       (this->hidden->BlankCursor)
#define videomode_emulatemode (this->hidden->videomode_emulatemode)

#ifdef HAVE_OPENGL
     #define oglctx               (this->hidden->OGLContext)
     #define oglflags             (this->hidden->OGLFlags)
     #define oglbpp               (this->hidden->OGLBPP)
#endif /* HAVE_OPENGL */

#endif /* __SDL_PH_VIDEO_H__ */