mirror of
https://github.com/Ryujinx/SDL.git
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488 lines
16 KiB
C
488 lines
16 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../SDL_internal.h"
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#ifndef SDL_sysvideo_h_
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#define SDL_sysvideo_h_
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#include "SDL_messagebox.h"
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#include "SDL_shape.h"
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#include "SDL_thread.h"
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#include "SDL_metal.h"
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#include "SDL_vulkan_internal.h"
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/* The SDL video driver */
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typedef struct SDL_WindowShaper SDL_WindowShaper;
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typedef struct SDL_ShapeDriver SDL_ShapeDriver;
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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 window-shaper structure */
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struct SDL_WindowShaper
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{
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/* The window associated with the shaper */
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SDL_Window *window;
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/* The user's specified coordinates for the window, for once we give it a shape. */
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Uint32 userx,usery;
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/* The parameters for shape calculation. */
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SDL_WindowShapeMode mode;
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/* Has this window been assigned a shape? */
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SDL_bool hasshape;
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void *driverdata;
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};
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/* Define the SDL shape driver structure */
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struct SDL_ShapeDriver
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{
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SDL_WindowShaper *(*CreateShaper)(SDL_Window * window);
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int (*SetWindowShape)(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode);
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int (*ResizeWindowShape)(SDL_Window *window);
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};
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typedef struct SDL_WindowUserData
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{
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char *name;
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void *data;
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struct SDL_WindowUserData *next;
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} SDL_WindowUserData;
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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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SDL_Surface *icon;
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int x, y;
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int w, h;
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int min_w, min_h;
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int max_w, max_h;
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Uint32 flags;
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Uint32 last_fullscreen_flags;
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/* Stored position and size for windowed mode */
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SDL_Rect windowed;
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SDL_DisplayMode fullscreen_mode;
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float opacity;
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float brightness;
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Uint16 *gamma;
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Uint16 *saved_gamma; /* (just offset into gamma) */
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SDL_Surface *surface;
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SDL_bool surface_valid;
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SDL_bool is_hiding;
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SDL_bool is_destroying;
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SDL_bool is_dropping; /* drag/drop in progress, expecting SDL_SendDropComplete(). */
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SDL_WindowShaper *shaper;
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SDL_HitTest hit_test;
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void *hit_test_data;
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SDL_WindowUserData *data;
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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.
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* This corresponds to physical monitors attached to the system.
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*/
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struct SDL_VideoDisplay
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{
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char *name;
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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_DisplayOrientation orientation;
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SDL_Window *fullscreen_window;
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SDL_VideoDevice *device;
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void *driverdata;
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};
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/* Forward declaration */
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struct SDL_SysWMinfo;
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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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* Reinitialize the touch devices -- called if an unknown touch ID occurs.
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*/
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void (*ResetTouch) (_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 the usable bounds of a display (bounds minus menubar or whatever)
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*/
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int (*GetDisplayUsableBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
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/*
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* Get the dots/pixels-per-inch of a display
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*/
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int (*GetDisplayDPI) (_THIS, SDL_VideoDisplay * display, float * ddpi, float * hdpi, float * vdpi);
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/*
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* Get a list of the available display modes for a display.
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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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/* * * */
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/*
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* Window functions
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*/
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int (*CreateSDLWindow) (_THIS, SDL_Window * window);
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int (*CreateSDLWindowFrom) (_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 (*SetWindowMinimumSize) (_THIS, SDL_Window * window);
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void (*SetWindowMaximumSize) (_THIS, SDL_Window * window);
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int (*GetWindowBordersSize) (_THIS, SDL_Window * window, int *top, int *left, int *bottom, int *right);
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int (*SetWindowOpacity) (_THIS, SDL_Window * window, float opacity);
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int (*SetWindowModalFor) (_THIS, SDL_Window * modal_window, SDL_Window * parent_window);
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int (*SetWindowInputFocus) (_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 (*SetWindowBordered) (_THIS, SDL_Window * window, SDL_bool bordered);
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void (*SetWindowResizable) (_THIS, SDL_Window * window, SDL_bool resizable);
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void (*SetWindowAlwaysOnTop) (_THIS, SDL_Window * window, SDL_bool on_top);
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void (*SetWindowFullscreen) (_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
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int (*SetWindowGammaRamp) (_THIS, SDL_Window * window, const Uint16 * ramp);
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int (*GetWindowGammaRamp) (_THIS, SDL_Window * window, Uint16 * ramp);
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void (*SetWindowMouseGrab) (_THIS, SDL_Window * window, SDL_bool grabbed);
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void (*SetWindowKeyboardGrab) (_THIS, SDL_Window * window, SDL_bool grabbed);
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void (*DestroyWindow) (_THIS, SDL_Window * window);
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int (*CreateWindowFramebuffer) (_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch);
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int (*UpdateWindowFramebuffer) (_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects);
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void (*DestroyWindowFramebuffer) (_THIS, SDL_Window * window);
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void (*OnWindowEnter) (_THIS, SDL_Window * window);
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int (*FlashWindow) (_THIS, SDL_Window * window, SDL_FlashOperation operation);
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/* * * */
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/*
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* Shaped-window functions
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*/
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SDL_ShapeDriver shape_driver;
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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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void (*GL_GetDrawableSize) (_THIS, SDL_Window * window, int *w, int *h);
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int (*GL_SetSwapInterval) (_THIS, int interval);
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int (*GL_GetSwapInterval) (_THIS);
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int (*GL_SwapWindow) (_THIS, SDL_Window * window);
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void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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void (*GL_DefaultProfileConfig) (_THIS, int *mask, int *major, int *minor);
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/* * * */
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/*
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* Vulkan support
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*/
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int (*Vulkan_LoadLibrary) (_THIS, const char *path);
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void (*Vulkan_UnloadLibrary) (_THIS);
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SDL_bool (*Vulkan_GetInstanceExtensions) (_THIS, SDL_Window *window, unsigned *count, const char **names);
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SDL_bool (*Vulkan_CreateSurface) (_THIS, SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface);
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void (*Vulkan_GetDrawableSize) (_THIS, SDL_Window * window, int *w, int *h);
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/* * * */
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/*
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* Metal support
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*/
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SDL_MetalView (*Metal_CreateView) (_THIS, SDL_Window * window);
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void (*Metal_DestroyView) (_THIS, SDL_MetalView view);
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void *(*Metal_GetLayer) (_THIS, SDL_MetalView view);
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void (*Metal_GetDrawableSize) (_THIS, SDL_Window * window, int *w, int *h);
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/* * * */
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/*
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* Event manager functions
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*/
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int (*WaitEventTimeout) (_THIS, int timeout);
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void (*SendWakeupEvent) (_THIS, SDL_Window *window);
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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);
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void (*StopTextInput) (_THIS);
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void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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/* Screen keyboard */
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SDL_bool (*HasScreenKeyboardSupport) (_THIS);
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void (*ShowScreenKeyboard) (_THIS, SDL_Window *window);
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void (*HideScreenKeyboard) (_THIS, SDL_Window *window);
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SDL_bool (*IsScreenKeyboardShown) (_THIS, SDL_Window *window);
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/* Clipboard */
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int (*SetClipboardText) (_THIS, const char *text);
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char * (*GetClipboardText) (_THIS);
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SDL_bool (*HasClipboardText) (_THIS);
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/* MessageBox */
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int (*ShowMessageBox) (_THIS, const SDL_MessageBoxData *messageboxdata, int *buttonid);
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/* Hit-testing */
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int (*SetWindowHitTest)(SDL_Window * window, SDL_bool enabled);
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/* Tell window that app enabled drag'n'drop events */
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void (*AcceptDragAndDrop)(SDL_Window * window, SDL_bool accept);
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/* * * */
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/* Data common to all drivers */
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SDL_bool is_dummy;
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SDL_bool suspend_screensaver;
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SDL_Window *wakeup_window;
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SDL_mutex *wakeup_lock; /* Initialized only if WaitEventTimeout/SendWakeupEvent are supported */
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int num_displays;
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SDL_VideoDisplay *displays;
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SDL_Window *windows;
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SDL_Window *grabbed_window;
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Uint8 window_magic;
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Uint32 next_object_id;
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char *clipboard_text;
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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 flags;
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int profile_mask;
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int share_with_current_context;
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int release_behavior;
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int reset_notification;
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int framebuffer_srgb_capable;
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int no_error;
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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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/* Cache current GL context; don't call the OS when it hasn't changed. */
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/* We have the global pointers here so Cocoa continues to work the way
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it always has, and the thread-local storage for the general case.
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*/
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SDL_Window *current_glwin;
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SDL_GLContext current_glctx;
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SDL_TLSID current_glwin_tls;
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SDL_TLSID current_glctx_tls;
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/* Flag that stores whether it's allowed to call SDL_GL_MakeCurrent()
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* with a NULL window, but a non-NULL context. (Not allowed in most cases,
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* except on EGL under some circumstances.) */
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SDL_bool gl_allow_no_surface;
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/* * * */
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/* Data used by the Vulkan drivers */
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struct
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{
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PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
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PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties;
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int loader_loaded;
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char loader_path[256];
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void *loader_handle;
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} vulkan_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_OPENGL_EGL
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struct SDL_EGL_VideoData *egl_data;
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#endif
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#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
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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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SDL_VideoDevice *(*create) (int devindex);
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} VideoBootStrap;
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/* Not all of these are available in a given build. Use #ifdefs, etc. */
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extern VideoBootStrap COCOA_bootstrap;
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extern VideoBootStrap X11_bootstrap;
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extern VideoBootStrap DirectFB_bootstrap;
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extern VideoBootStrap WINDOWS_bootstrap;
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extern VideoBootStrap WINRT_bootstrap;
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extern VideoBootStrap HAIKU_bootstrap;
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extern VideoBootStrap PND_bootstrap;
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extern VideoBootStrap UIKIT_bootstrap;
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extern VideoBootStrap Android_bootstrap;
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extern VideoBootStrap PSP_bootstrap;
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extern VideoBootStrap VITA_bootstrap;
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extern VideoBootStrap RPI_bootstrap;
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extern VideoBootStrap KMSDRM_bootstrap;
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extern VideoBootStrap KMSDRM_LEGACY_bootstrap;
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extern VideoBootStrap DUMMY_bootstrap;
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extern VideoBootStrap Wayland_bootstrap;
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extern VideoBootStrap NACL_bootstrap;
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extern VideoBootStrap VIVANTE_bootstrap;
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extern VideoBootStrap Emscripten_bootstrap;
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extern VideoBootStrap QNX_bootstrap;
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extern VideoBootStrap OFFSCREEN_bootstrap;
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extern VideoBootStrap OS2DIVE_bootstrap;
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extern VideoBootStrap OS2VMAN_bootstrap;
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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, SDL_bool send_event);
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extern void SDL_DelVideoDisplay(int index);
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extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode);
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extern int SDL_GetIndexOfDisplay(SDL_VideoDisplay *display);
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extern SDL_VideoDisplay *SDL_GetDisplay(int displayIndex);
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extern SDL_VideoDisplay *SDL_GetDisplayForWindow(SDL_Window *window);
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extern void *SDL_GetDisplayDriverData( int displayIndex );
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extern SDL_bool SDL_IsVideoContextExternal(void);
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extern void SDL_GL_DeduceMaxSupportedESProfile(int* major, int* minor);
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extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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extern SDL_bool SDL_HasWindows(void);
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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_OnWindowEnter(SDL_Window * window);
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extern void SDL_OnWindowLeave(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 void SDL_UpdateWindowGrab(SDL_Window * window);
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extern SDL_Window * SDL_GetFocusWindow(void);
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extern SDL_bool SDL_ShouldAllowTopmost(void);
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extern float SDL_ComputeDiagonalDPI(int hpix, int vpix, float hinches, float vinches);
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extern void SDL_ToggleDragAndDropSupport(void);
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#endif /* SDL_sysvideo_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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