/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Lesser General Public

    License as published by the Free Software Foundation; either

    version 2.1 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

    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public

    License along with this library; if not, write to the Free Software

    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

#ifndef _SDL_sysvideo_h

#define _SDL_sysvideo_h

#include "SDL_mouse.h"

#include "SDL_keysym.h"

/* The SDL video driver */

typedef struct SDL_Window SDL_Window;

typedef struct SDL_Texture SDL_Texture;

typedef struct SDL_Renderer SDL_Renderer;

typedef struct SDL_RenderDriver SDL_RenderDriver;

typedef struct SDL_VideoDisplay SDL_VideoDisplay;

typedef struct SDL_VideoDevice SDL_VideoDevice;

/* Define the SDL texture structure */

struct SDL_Texture

{

    Uint32 id;

    Uint32 format;      /**< The pixel format of the texture */

    int access;         /**< SDL_TextureAccess */

    int w;              /**< The width of the texture */

    int h;              /**< The height of the texture */

    int modMode;        /**< The texture modulation mode */

    int blendMode;      /**< The texture blend mode */

    int scaleMode;      /**< The texture scale mode */

    Uint8 r, g, b, a;   /**< Texture modulation values */

    SDL_Renderer *renderer;

    void *driverdata;   /**< Driver specific texture representation */

    SDL_Texture *next;

};

/* Define the SDL renderer structure */

struct SDL_Renderer

{

    int (*ActivateRenderer) (SDL_Renderer * renderer);

    int (*DisplayModeChanged) (SDL_Renderer * renderer);

    int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);

    int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,

                               void **pixels, int *pitch);

    int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,

                              const SDL_Color * colors, int firstcolor,

                              int ncolors);

    int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,

                              SDL_Color * colors, int firstcolor,

                              int ncolors);

    int (*SetTextureColorMod) (SDL_Renderer * renderer,

                               SDL_Texture * texture);

    int (*SetTextureAlphaMod) (SDL_Renderer * renderer,

                               SDL_Texture * texture);

    int (*SetTextureBlendMode) (SDL_Renderer * renderer,

                                SDL_Texture * texture);

    int (*SetTextureScaleMode) (SDL_Renderer * renderer,

                                SDL_Texture * texture);

    int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,

                          const SDL_Rect * rect, const void *pixels,

                          int pitch);

    int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,

                        const SDL_Rect * rect, int markDirty, void **pixels,

                        int *pitch);

    void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);

    void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,

                          int numrects, const SDL_Rect * rects);

    int (*RenderFill) (SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,

                       Uint8 a, const SDL_Rect * rect);

    int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,

                       const SDL_Rect * srcrect, const SDL_Rect * dstrect);

    void (*RenderPresent) (SDL_Renderer * renderer);

    void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);

    void (*DestroyRenderer) (SDL_Renderer * renderer);

    /* The current renderer info */

    SDL_RendererInfo info;

    /* The window associated with the renderer */

    SDL_WindowID window;

    void *driverdata;

};

/* Define the SDL render driver structure */

struct SDL_RenderDriver

{

    SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);

    /* Info about the renderer capabilities */

    SDL_RendererInfo info;

};

/* Define the SDL window structure, corresponding to toplevel windows */

struct SDL_Window

{

    Uint32 id;

    char *title;

    int x, y;

    int w, h;

    Uint32 flags;

    int display;

    SDL_Renderer *renderer;

    SDL_GLContext context;

    void *userdata;

    void *driverdata;

};

#define FULLSCREEN_VISIBLE(W) \

    (((W)->flags & SDL_WINDOW_FULLSCREEN) && \

     ((W)->flags & SDL_WINDOW_SHOWN) && \

     !((W)->flags & SDL_WINDOW_MINIMIZED))

/* Define the SDL display structure

   This corresponds to physical monitors attached to the system.

 */

struct SDL_VideoDisplay

{

    int max_display_modes;

    int num_display_modes;

    SDL_DisplayMode *display_modes;

    SDL_DisplayMode desktop_mode;

    SDL_DisplayMode current_mode;

    SDL_DisplayMode fullscreen_mode;

    SDL_Palette *palette;

    Uint16 *gamma;

    Uint16 *saved_gamma;        /* (just offset into gamma) */

    int num_render_drivers;

    SDL_RenderDriver *render_drivers;

    int num_windows;

    SDL_Window *windows;

    SDL_Renderer *current_renderer;

    /* The hash list of textures */

    SDL_Texture *textures[64];

    SDL_VideoDevice *device;

    void *driverdata;

};

/* Define the SDL video driver structure */

#define _THIS	SDL_VideoDevice *_this

struct SDL_VideoDevice

{

    /* * * */

    /* The name of this video driver */

    const char *name;

    /* * * */

    /* Initialization/Query functions */

    /* Initialize the native video subsystem, filling in the list

       of displays for this driver, returning 0 or -1 if there's an error.

     */

    int (*VideoInit) (_THIS);

    /* Reverse the effects VideoInit() -- called if VideoInit() fails

       or if the application is shutting down the video subsystem.

     */

    void (*VideoQuit) (_THIS);

    /* * * */

    /* Display functions

     */

    /* Get a list of the available display modes.

     * e.g.  SDL_AddDisplayMode(_this->current_display, mode)

     */

    void (*GetDisplayModes) (_THIS);

    /* Setting the display mode is independent of creating windows,

     * so when the display mode is changed, all existing windows

     * should have their data updated accordingly, including the

     * display surfaces associated with them.

     */

    int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode);

    /* Set the color entries of the display palette */

    int (*SetDisplayPalette) (_THIS, SDL_Palette * palette);

    /* Get the color entries of the display palette */

    int (*GetDisplayPalette) (_THIS, SDL_Palette * palette);

    /* Set the gamma ramp */

    int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp);

    /* Get the gamma ramp */

    int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp);

    /* * * */

    /* Window functions

     */

    int (*CreateWindow) (_THIS, SDL_Window * window);

    int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);

    void (*SetWindowTitle) (_THIS, SDL_Window * window);

    void (*SetWindowPosition) (_THIS, SDL_Window * window);

    void (*SetWindowSize) (_THIS, SDL_Window * window);

    void (*ShowWindow) (_THIS, SDL_Window * window);

    void (*HideWindow) (_THIS, SDL_Window * window);

    void (*RaiseWindow) (_THIS, SDL_Window * window);

    void (*MaximizeWindow) (_THIS, SDL_Window * window);

    void (*MinimizeWindow) (_THIS, SDL_Window * window);

    void (*RestoreWindow) (_THIS, SDL_Window * window);

    void (*SetWindowGrab) (_THIS, SDL_Window * window);

    void (*DestroyWindow) (_THIS, SDL_Window * window);

    /* Get some platform dependent window information */

      SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,

                                  struct SDL_SysWMinfo * info);

    /* * * */

    /* OpenGL support

     */

    int (*GL_LoadLibrary) (_THIS, const char *path);

    void *(*GL_GetProcAddress) (_THIS, const char *proc);

      SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);

    int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);

    int (*GL_SetSwapInterval) (_THIS, int interval);

    int (*GL_GetSwapInterval) (_THIS);

    void (*GL_SwapWindow) (_THIS, SDL_Window * window);

    void (*GL_DeleteContext) (_THIS, SDL_GLContext context);

    /* * * */

    /* Event manager functions

     */

    void (*PumpEvents) (_THIS);

    /* * * */

    /* Data common to all drivers */

    int num_displays;

    SDL_VideoDisplay *displays;

    int current_display;

    Uint32 next_object_id;

    /* * * */

    /* Data used by the GL drivers */

    struct

    {

        int red_size;

        int green_size;

        int blue_size;

        int alpha_size;

        int depth_size;

        int buffer_size;

        int stencil_size;

        int double_buffer;

        int accum_red_size;

        int accum_green_size;

        int accum_blue_size;

        int accum_alpha_size;

        int stereo;

        int multisamplebuffers;

        int multisamplesamples;

        int accelerated;

        int driver_loaded;

        char driver_path[256];

        void *dll_handle;

    } gl_config;

    /* * * */

    /* Data private to this driver */

    void *driverdata;

    struct SDL_GLDriverData *gl_data;

    /* * * */

    /* The function used to dispose of this structure */

    void (*free) (_THIS);

};

typedef struct VideoBootStrap

{

    const char *name;

    const char *desc;

    int (*available) (void);

    SDL_VideoDevice *(*create) (int devindex);

} VideoBootStrap;

#if SDL_VIDEO_DRIVER_COCOA

extern VideoBootStrap COCOA_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_X11

extern VideoBootStrap X11_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_NANOX

extern VideoBootStrap NX_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_IPOD

extern VideoBootStrap iPod_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_WSCONS

extern VideoBootStrap WSCONS_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_FBCON

extern VideoBootStrap FBCON_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_DIRECTFB

extern VideoBootStrap DirectFB_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_PS2GS

extern VideoBootStrap PS2GS_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_VGL

extern VideoBootStrap VGL_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_SVGALIB

extern VideoBootStrap SVGALIB_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_GAPI

extern VideoBootStrap GAPI_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_WIN32

extern VideoBootStrap WIN32_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_BWINDOW

extern VideoBootStrap BWINDOW_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_PHOTON

extern VideoBootStrap ph_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_EPOC

extern VideoBootStrap EPOC_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_XBIOS

extern VideoBootStrap XBIOS_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_GEM

extern VideoBootStrap GEM_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_DC

extern VideoBootStrap DC_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_RISCOS

extern VideoBootStrap RISCOS_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_OS2FS

extern VideoBootStrap OS2FSLib_bootstrap;

#endif

#if SDL_VIDEO_DRIVER_DUMMY

extern VideoBootStrap DUMMY_bootstrap;

#endif

#define SDL_CurrentDisplay	(_this->displays[_this->current_display])

extern SDL_VideoDevice *SDL_GetVideoDevice();

extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);

extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);

extern SDL_bool SDL_AddDisplayMode(int displayIndex,

                                   const SDL_DisplayMode * mode);

extern void SDL_AddRenderDriver(int displayIndex,

                                const SDL_RenderDriver * driver);

extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);

extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID);

extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window);

extern void SDL_OnWindowShown(SDL_Window * window);

extern void SDL_OnWindowHidden(SDL_Window * window);

extern void SDL_OnWindowResized(SDL_Window * window);

extern void SDL_OnWindowFocusGained(SDL_Window * window);

extern void SDL_OnWindowFocusLost(SDL_Window * window);

extern SDL_WindowID SDL_GetFocusWindow(void);

#endif /* _SDL_sysvideo_h */

/* vi: set ts=4 sw=4 expandtab: */