450 lines
15 KiB
C
450 lines
15 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2010 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef _SDL_sysvideo_h
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#define _SDL_sysvideo_h
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#include "SDL_mouse.h"
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#include "SDL_keysym.h"
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/* The SDL video driver */
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typedef struct SDL_Renderer SDL_Renderer;
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typedef struct SDL_RenderDriver SDL_RenderDriver;
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typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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typedef struct SDL_VideoDevice SDL_VideoDevice;
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/* Define the SDL texture structure */
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struct SDL_Texture
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{
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const void *magic;
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Uint32 format; /**< The pixel format of the texture */
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int access; /**< SDL_TextureAccess */
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int w; /**< The width of the texture */
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int h; /**< The height of the texture */
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int modMode; /**< The texture modulation mode */
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int blendMode; /**< The texture blend mode */
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int scaleMode; /**< The texture scale mode */
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Uint8 r, g, b, a; /**< Texture modulation values */
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SDL_Renderer *renderer;
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void *driverdata; /**< Driver specific texture representation */
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SDL_Texture *prev;
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SDL_Texture *next;
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};
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/* Define the SDL renderer structure */
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struct SDL_Renderer
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{
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int (*ActivateRenderer) (SDL_Renderer * renderer);
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int (*DisplayModeChanged) (SDL_Renderer * renderer);
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int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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void **pixels, int *pitch);
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int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Color * colors, int firstcolor,
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int ncolors);
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int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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SDL_Color * colors, int firstcolor,
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int ncolors);
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int (*SetTextureColorMod) (SDL_Renderer * renderer,
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SDL_Texture * texture);
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int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
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SDL_Texture * texture);
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int (*SetTextureBlendMode) (SDL_Renderer * renderer,
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SDL_Texture * texture);
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int (*SetTextureScaleMode) (SDL_Renderer * renderer,
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SDL_Texture * texture);
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int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, const void *pixels,
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int pitch);
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int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, int markDirty, void **pixels,
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int *pitch);
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void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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int numrects, const SDL_Rect * rects);
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int (*SetDrawColor) (SDL_Renderer * renderer);
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int (*SetDrawBlendMode) (SDL_Renderer * renderer);
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int (*RenderClear) (SDL_Renderer * renderer);
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int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
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int count);
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int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
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int count);
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int (*RenderDrawRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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int count);
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int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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int count);
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int (*RenderDrawEllipse) (SDL_Renderer * renderer, int x, int y,
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int w, int h);
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int (*RenderFillEllipse) (SDL_Renderer * renderer, int x, int y,
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int w, int h);
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int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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Uint32 format, void * pixels, int pitch);
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int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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Uint32 format, const void * pixels, int pitch);
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void (*RenderPresent) (SDL_Renderer * renderer);
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void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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void (*DestroyRenderer) (SDL_Renderer * renderer);
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/* The current renderer info */
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SDL_RendererInfo info;
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/* The window associated with the renderer */
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SDL_Window *window;
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/* The list of textures */
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SDL_Texture *textures;
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Uint8 r, g, b, a; /**< Color for drawing operations values */
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int blendMode; /**< The drawing blend mode */
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void *driverdata;
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};
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/* Define the SDL render driver structure */
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struct SDL_RenderDriver
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{
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SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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/* Info about the renderer capabilities */
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SDL_RendererInfo info;
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};
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/* Define the SDL window structure, corresponding to toplevel windows */
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struct SDL_Window
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{
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const void *magic;
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Uint32 id;
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char *title;
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int x, y;
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int w, h;
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Uint32 flags;
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SDL_VideoDisplay *display;
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SDL_Renderer *renderer;
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SDL_DisplayMode fullscreen_mode;
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void *userdata;
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void *driverdata;
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SDL_Window *prev;
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SDL_Window *next;
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};
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#define FULLSCREEN_VISIBLE(W) \
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(((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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((W)->flags & SDL_WINDOW_SHOWN) && \
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!((W)->flags & SDL_WINDOW_MINIMIZED))
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/*
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* Define the SDL display structure This corresponds to physical monitors
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* attached to the system.
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*/
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struct SDL_VideoDisplay
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{
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int max_display_modes;
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int num_display_modes;
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SDL_DisplayMode *display_modes;
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SDL_DisplayMode desktop_mode;
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SDL_DisplayMode current_mode;
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SDL_bool updating_fullscreen;
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SDL_Palette *palette;
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Uint16 *gamma;
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Uint16 *saved_gamma; /* (just offset into gamma) */
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int num_render_drivers;
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SDL_RenderDriver *render_drivers;
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SDL_Window *windows;
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SDL_Window *fullscreen_window;
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SDL_Renderer *current_renderer;
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SDL_VideoDevice *device;
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void *driverdata;
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};
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/* Define the SDL video driver structure */
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#define _THIS SDL_VideoDevice *_this
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struct SDL_VideoDevice
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{
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/* * * */
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/* The name of this video driver */
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const char *name;
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/* * * */
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/* Initialization/Query functions */
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/*
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* Initialize the native video subsystem, filling in the list of
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* displays for this driver, returning 0 or -1 if there's an error.
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*/
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int (*VideoInit) (_THIS);
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/*
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* Reverse the effects VideoInit() -- called if VideoInit() fails or
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* if the application is shutting down the video subsystem.
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*/
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void (*VideoQuit) (_THIS);
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/* * * */
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/*
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* Display functions
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*/
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/*
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* Get the bounds of a display
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*/
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int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
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/*
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* Get a list of the available display modes. e.g.
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* SDL_AddDisplayMode(_this->current_display, mode)
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*/
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void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display);
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/*
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* Setting the display mode is independent of creating windows, so
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* when the display mode is changed, all existing windows should have
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* their data updated accordingly, including the display surfaces
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* associated with them.
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*/
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int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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/* Set the color entries of the display palette */
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int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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/* Get the color entries of the display palette */
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int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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/* Set the gamma ramp */
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int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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/* Get the gamma ramp */
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int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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/* * * */
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/*
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* Window functions
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*/
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int (*CreateWindow) (_THIS, SDL_Window * window);
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int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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void (*SetWindowTitle) (_THIS, SDL_Window * window);
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void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon);
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void (*SetWindowPosition) (_THIS, SDL_Window * window);
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void (*SetWindowSize) (_THIS, SDL_Window * window);
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void (*ShowWindow) (_THIS, SDL_Window * window);
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void (*HideWindow) (_THIS, SDL_Window * window);
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void (*RaiseWindow) (_THIS, SDL_Window * window);
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void (*MaximizeWindow) (_THIS, SDL_Window * window);
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void (*MinimizeWindow) (_THIS, SDL_Window * window);
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void (*RestoreWindow) (_THIS, SDL_Window * window);
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void (*SetWindowGrab) (_THIS, SDL_Window * window);
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void (*DestroyWindow) (_THIS, SDL_Window * window);
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/* Get some platform dependent window information */
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SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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struct SDL_SysWMinfo * info);
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/* * * */
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/*
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* OpenGL support
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*/
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int (*GL_LoadLibrary) (_THIS, const char *path);
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void *(*GL_GetProcAddress) (_THIS, const char *proc);
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void (*GL_UnloadLibrary) (_THIS);
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SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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int (*GL_SetSwapInterval) (_THIS, int interval);
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int (*GL_GetSwapInterval) (_THIS);
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void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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/* * * */
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/*
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* Event manager functions
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*/
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void (*PumpEvents) (_THIS);
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/* Suspend the screensaver */
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void (*SuspendScreenSaver) (_THIS);
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/* Text input */
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void (*StartTextInput) (_THIS, SDL_Window *window);
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void (*StopTextInput) (_THIS);
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void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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/* * * */
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/* Data common to all drivers */
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SDL_bool suspend_screensaver;
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int num_displays;
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SDL_VideoDisplay *displays;
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int current_display;
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Uint8 window_magic;
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Uint8 texture_magic;
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Uint32 next_object_id;
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/* * * */
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/* Data used by the GL drivers */
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struct
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{
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int red_size;
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int green_size;
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int blue_size;
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int alpha_size;
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int depth_size;
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int buffer_size;
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int stencil_size;
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int double_buffer;
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int accum_red_size;
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int accum_green_size;
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int accum_blue_size;
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int accum_alpha_size;
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int stereo;
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int multisamplebuffers;
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int multisamplesamples;
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int accelerated;
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int major_version;
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int minor_version;
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int retained_backing;
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int driver_loaded;
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char driver_path[256];
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void *dll_handle;
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} gl_config;
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/* * * */
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/* Data private to this driver */
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void *driverdata;
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struct SDL_GLDriverData *gl_data;
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#if SDL_VIDEO_DRIVER_PANDORA
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struct SDL_PrivateGLESData *gles_data;
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#endif
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/* * * */
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/* The function used to dispose of this structure */
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void (*free) (_THIS);
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};
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typedef struct VideoBootStrap
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{
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const char *name;
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const char *desc;
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int (*available) (void);
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SDL_VideoDevice *(*create) (int devindex);
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} VideoBootStrap;
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#if SDL_VIDEO_DRIVER_COCOA
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extern VideoBootStrap COCOA_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_X11
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extern VideoBootStrap X11_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_FBCON
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extern VideoBootStrap FBCON_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_DIRECTFB
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extern VideoBootStrap DirectFB_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_PS3
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extern VideoBootStrap PS3_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_SVGALIB
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extern VideoBootStrap SVGALIB_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_GAPI
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extern VideoBootStrap GAPI_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_WIN32
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extern VideoBootStrap WIN32_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_BWINDOW
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extern VideoBootStrap BWINDOW_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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extern VideoBootStrap photon_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_QNXGF
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extern VideoBootStrap qnxgf_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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extern VideoBootStrap EPOC_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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extern VideoBootStrap RISCOS_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_UIKIT
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extern VideoBootStrap UIKIT_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_DUMMY
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extern VideoBootStrap DUMMY_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_NDS
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extern VideoBootStrap NDS_bootstrap;
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#endif
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#if SDL_VIDEO_DRIVER_PANDORA
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extern VideoBootStrap PND_bootstrap;
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#endif
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#define SDL_CurrentDisplay (&_this->displays[_this->current_display])
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#define SDL_CurrentRenderer (SDL_CurrentDisplay->current_renderer)
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extern SDL_VideoDevice *SDL_GetVideoDevice(void);
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extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
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extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode);
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extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display);
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extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode);
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extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
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extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode);
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extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors);
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extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors);
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extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue);
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extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue);
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extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver);
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extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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extern void SDL_OnWindowShown(SDL_Window * window);
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extern void SDL_OnWindowHidden(SDL_Window * window);
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extern void SDL_OnWindowResized(SDL_Window * window);
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extern void SDL_OnWindowMinimized(SDL_Window * window);
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extern void SDL_OnWindowRestored(SDL_Window * window);
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extern void SDL_OnWindowFocusGained(SDL_Window * window);
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extern void SDL_OnWindowFocusLost(SDL_Window * window);
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extern SDL_Window * SDL_GetFocusWindow(void);
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#endif /* _SDL_sysvideo_h */
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/* vi: set ts=4 sw=4 expandtab: */
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