SDL_sysvideo.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:12k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_sysvideo.h,v 1.4 2002/04/22 21:38:03 wmay Exp $";
- #endif
- #ifndef _SDL_sysvideo_h
- #define _SDL_sysvideo_h
- #include "SDL_mouse.h"
- #define SDL_PROTOTYPES_ONLY
- #include "SDL_syswm.h"
- #undef SDL_PROTOTYPES_ONLY
- /* This file prototypes the video driver implementation.
- This is designed to be easily converted to C++ in the future.
- */
- /* OpenGL is pretty much available on all Windows systems */
- #ifdef WIN32
- #ifndef _WIN32_WCE
- #define HAVE_OPENGL
- #endif
- #include <windows.h>
- #endif
- #ifdef HAVE_OPENGL
- #ifdef MACOSX
- #include <OpenGL/gl.h> /* OpenGL.framework */
- #else
- #include <GL/gl.h>
- #endif /* MACOSX */
- #endif /* HAVE_OPENGL */
- /* The SDL video driver */
- typedef struct SDL_VideoDevice SDL_VideoDevice;
- /* Define the SDL video driver structure */
- #define _THIS SDL_VideoDevice *_this
- #ifndef _STATUS
- #define _STATUS SDL_status *status
- #endif
- struct SDL_VideoDevice {
- /* * * */
- /* The name of this video driver */
- const char *name;
- /* * * */
- /* Initialization/Query functions */
- /* Initialize the native video subsystem, filling 'vformat' with the
- "best" display pixel format, returning 0 or -1 if there's an error.
- */
- int (*VideoInit)(_THIS, SDL_PixelFormat *vformat);
- /* List the available video modes for the given pixel format, sorted
- from largest to smallest.
- */
- SDL_Rect **(*ListModes)(_THIS, SDL_PixelFormat *format, Uint32 flags);
- /* Set the requested video mode, returning a surface which will be
- set to the SDL_VideoSurface. The width and height will already
- be verified by ListModes(), and the video subsystem is free to
- set the mode to a supported bit depth different from the one
- specified -- the desired bpp will be emulated with a shadow
- surface if necessary. If a new mode is returned, this function
- should take care of cleaning up the current mode.
- */
- SDL_Surface *(*SetVideoMode)(_THIS, SDL_Surface *current,
- int width, int height, int bpp, Uint32 flags);
- /* Toggle the fullscreen mode */
- int (*ToggleFullScreen)(_THIS, int on);
- /* This is called after the video mode has been set, to get the
- initial mouse state. It should queue events as necessary to
- properly represent the current mouse focus and position.
- */
- void (*UpdateMouse)(_THIS);
- /* Create a YUV video surface (possibly overlay) of the given
- format. The hardware should be able to perform at least 2x
- scaling on display.
- */
- SDL_Overlay *(*CreateYUVOverlay)(_THIS, int width, int height,
- Uint32 format, SDL_Surface *display);
- /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) }
- of the physical palette to those in 'colors'. If the device is
- using a software palette (SDL_HWPALETTE not set), then the
- changes are reflected in the logical palette of the screen
- as well.
- The return value is 1 if all entries could be set properly
- or 0 otherwise.
- */
- int (*SetColors)(_THIS, int firstcolor, int ncolors,
- SDL_Color *colors);
- /* This pointer should exist in the native video subsystem and should
- point to an appropriate update function for the current video mode
- */
- void (*UpdateRects)(_THIS, int numrects, SDL_Rect *rects);
- /* Reverse the effects VideoInit() -- called if VideoInit() fails
- or if the application is shutting down the video subsystem.
- */
- void (*VideoQuit)(_THIS);
- /* * * */
- /* Hardware acceleration functions */
- /* Information about the video hardware */
- SDL_VideoInfo info;
- /* Allocates a surface in video memory */
- int (*AllocHWSurface)(_THIS, SDL_Surface *surface);
- /* Sets the hardware accelerated blit function, if any, based
- on the current flags of the surface (colorkey, alpha, etc.)
- */
- int (*CheckHWBlit)(_THIS, SDL_Surface *src, SDL_Surface *dst);
- /* Fills a surface rectangle with the given color */
- int (*FillHWRect)(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
- /* Sets video mem colorkey and accelerated blit function */
- int (*SetHWColorKey)(_THIS, SDL_Surface *surface, Uint32 key);
- /* Sets per surface hardware alpha value */
- int (*SetHWAlpha)(_THIS, SDL_Surface *surface, Uint8 value);
- /* Returns a readable/writable surface */
- int (*LockHWSurface)(_THIS, SDL_Surface *surface);
- void (*UnlockHWSurface)(_THIS, SDL_Surface *surface);
- /* Performs hardware flipping */
- int (*FlipHWSurface)(_THIS, SDL_Surface *surface);
- /* Frees a previously allocated video surface */
- void (*FreeHWSurface)(_THIS, SDL_Surface *surface);
- /* * * */
- /* Gamma support */
- Uint16 *gamma;
- /* Set the gamma correction directly (emulated with gamma ramps) */
- int (*SetGamma)(_THIS, float red, float green, float blue);
- /* Get the gamma correction directly (emulated with gamma ramps) */
- int (*GetGamma)(_THIS, float *red, float *green, float *blue);
- /* Set the gamma ramp */
- int (*SetGammaRamp)(_THIS, Uint16 *ramp);
- /* Get the gamma ramp */
- int (*GetGammaRamp)(_THIS, Uint16 *ramp);
- /* * * */
- /* OpenGL support */
- /* Sets the dll to use for OpenGL and loads it */
- int (*GL_LoadLibrary)(_THIS, const char *path);
- /* Retrieves the address of a function in the gl library */
- void* (*GL_GetProcAddress)(_THIS, const char *proc);
- /* Get attribute information from the windowing system. */
- int (*GL_GetAttribute)(_THIS, SDL_GLattr attrib, int* value);
- /* Make the context associated with this driver current */
- int (*GL_MakeCurrent)(_THIS);
- /* Swap the current buffers in double buffer mode. */
- void (*GL_SwapBuffers)(_THIS);
- /* OpenGL functions for SDL_OPENGLBLIT */
- #ifdef HAVE_OPENGL
- #ifndef WIN32
- #define WINAPI
- #endif
- #define SDL_PROC(ret,func,params) ret (WINAPI *func) params;
- #include "SDL_glfuncs.h"
- #undef SDL_PROC
- /* Texture id */
- GLuint texture;
- #endif
- int is_32bit;
- /* * * */
- /* Window manager functions */
- /* Set the title and icon text */
- void (*SetCaption)(_THIS, const char *title, const char *icon);
- /* Set the window icon image */
- void (*SetIcon)(_THIS, SDL_Surface *icon, Uint8 *mask);
- /* Iconify the window.
- This function returns 1 if there is a window manager and the
- window was actually iconified, it returns 0 otherwise.
- */
- int (*IconifyWindow)(_THIS);
- /* Grab or ungrab keyboard and mouse input */
- SDL_GrabMode (*GrabInput)(_THIS, SDL_GrabMode mode);
- /* Get some platform dependent window information */
- int (*GetWMInfo)(_THIS, SDL_SysWMinfo *info);
- /* * * */
- /* Cursor manager functions */
- /* Free a window manager cursor
- This function can be NULL if CreateWMCursor is also NULL.
- */
- void (*FreeWMCursor)(_THIS, WMcursor *cursor);
- /* If not NULL, create a black/white window manager cursor */
- WMcursor *(*CreateWMCursor)(_THIS,
- Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y);
- /* Show the specified cursor, or hide if cursor is NULL */
- int (*ShowWMCursor)(_THIS, WMcursor *cursor);
- /* Warp the window manager cursor to (x,y)
- If NULL, a mouse motion event is posted internally.
- */
- void (*WarpWMCursor)(_THIS, Uint16 x, Uint16 y);
- /* If not NULL, this is called when a mouse motion event occurs */
- void (*MoveWMCursor)(_THIS, int x, int y);
- /* Determine whether the mouse should be in relative mode or not.
- This function is called when the input grab state or cursor
- visibility state changes.
- If the cursor is not visible, and the input is grabbed, the
- driver can place the mouse in relative mode, which may result
- in higher accuracy sampling of the pointer motion.
- */
- void (*CheckMouseMode)(_THIS);
- /* * * */
- /* Event manager functions */
- /* Initialize keyboard mapping for this driver */
- void (*InitOSKeymap)(_THIS);
- /* Handle any queued OS events */
- void (*PumpEvents)(_THIS);
- /* * * */
- /* Data common to all drivers */
- SDL_Surface *screen;
- SDL_Surface *shadow;
- SDL_Surface *visible;
- SDL_Palette *physpal; /* physical palette, if != logical palette */
- SDL_Color *gammacols; /* gamma-corrected colours, or NULL */
- char *wm_title;
- char *wm_icon;
- int offset_x;
- int offset_y;
- SDL_GrabMode input_grab;
- /* Driver information flags */
- int handles_any_size; /* Driver handles any size video mode */
- /* * * */
- /* 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 driver_loaded;
- char driver_path[256];
- void* dll_handle;
- } gl_config;
- /* * * */
- /* Data private to this driver */
- struct SDL_PrivateVideoData *hidden;
- struct SDL_PrivateGLData *gl_data;
- /* * * */
- /* The function used to dispose of this structure */
- void (*free)(_THIS);
- };
- #undef _THIS
- typedef struct VideoBootStrap {
- const char *name;
- const char *desc;
- int (*available)(void);
- SDL_VideoDevice *(*create)(int devindex);
- } VideoBootStrap;
- #ifdef ENABLE_X11
- extern VideoBootStrap X11_bootstrap;
- #endif
- #ifdef ENABLE_DGA
- extern VideoBootStrap DGA_bootstrap;
- #endif
- #ifdef ENABLE_NANOX
- extern VideoBootStrap NX_bootstrap;
- #endif
- #ifdef ENABLE_FBCON
- extern VideoBootStrap FBCON_bootstrap;
- #endif
- #ifdef ENABLE_DIRECTFB
- extern VideoBootStrap DirectFB_bootstrap;
- #endif
- #ifdef ENABLE_PS2GS
- extern VideoBootStrap PS2GS_bootstrap;
- #endif
- #ifdef ENABLE_GGI
- extern VideoBootStrap GGI_bootstrap;
- #endif
- #ifdef ENABLE_VGL
- extern VideoBootStrap VGL_bootstrap;
- #endif
- #ifdef ENABLE_SVGALIB
- extern VideoBootStrap SVGALIB_bootstrap;
- #endif
- #ifdef ENABLE_AALIB
- extern VideoBootStrap AALIB_bootstrap;
- #endif
- #ifdef ENABLE_WINDIB
- extern VideoBootStrap WINDIB_bootstrap;
- #endif
- #ifdef ENABLE_DIRECTX
- extern VideoBootStrap DIRECTX_bootstrap;
- #endif
- #ifdef ENABLE_BWINDOW
- extern VideoBootStrap BWINDOW_bootstrap;
- #endif
- /* MacOS X gets the proper defines from configure */
- #if defined(macintosh) && !defined(MACOSX)
- #define ENABLE_TOOLBOX
- #if !TARGET_API_MAC_CARBON
- #define ENABLE_DRAWSPROCKET
- #endif
- #endif
- #ifdef ENABLE_TOOLBOX
- extern VideoBootStrap TOOLBOX_bootstrap;
- #endif
- #ifdef ENABLE_DRAWSPROCKET
- extern VideoBootStrap DSp_bootstrap;
- #endif
- #ifdef ENABLE_QUARTZ
- extern VideoBootStrap QZ_bootstrap;
- #endif
- #ifdef ENABLE_CYBERGRAPHICS
- extern VideoBootStrap CGX_bootstrap;
- #endif
- #ifdef ENABLE_PHOTON
- extern VideoBootStrap ph_bootstrap;
- #endif
- #ifdef ENABLE_EPOC
- extern VideoBootStrap EPOC_bootstrap;
- #endif
- #ifdef ENABLE_DUMMYVIDEO
- extern VideoBootStrap DUMMY_bootstrap;
- #endif
- #ifdef ENABLE_XBIOS
- extern VideoBootStrap XBIOS_bootstrap;
- #endif
- #ifdef ENABLE_GEM
- extern VideoBootStrap GEM_bootstrap;
- #endif
- /* This is the current video device */
- extern SDL_VideoDevice *current_video;
- #define SDL_VideoSurface (current_video->screen)
- #define SDL_ShadowSurface (current_video->shadow)
- #define SDL_PublicSurface (current_video->visible)
- #endif /* _SDL_sysvideo_h */