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SDL_video.c

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1834 lines (1601 loc) · 44 KB
 
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 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,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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
License along with this library; if not, write to the Free Software
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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/* The high-level video driver subsystem */
#include "SDL.h"
#include "SDL_sysvideo.h"
#include "SDL_blit.h"
#include "SDL_pixels_c.h"
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#include "SDL_renderer_sw.h"
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#include "../events/SDL_sysevents.h"
#include "../events/SDL_events_c.h"
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/* Available video drivers */
static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_QUARTZ
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&QZ_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_X11
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&X11_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DGA
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&DGA_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_NANOX
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&NX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_IPOD
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&iPod_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_QTOPIA
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&Qtopia_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WSCONS
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&WSCONS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_FBCON
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&FBCON_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DIRECTFB
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&DirectFB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PS2GS
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&PS2GS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GGI
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&GGI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_VGL
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&VGL_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_SVGALIB
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&SVGALIB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GAPI
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&GAPI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WINDIB
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&WINDIB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DDRAW
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&DIRECTX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_BWINDOW
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&BWINDOW_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_TOOLBOX
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&TOOLBOX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DRAWSPROCKET
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&DSp_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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&CGX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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&ph_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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&EPOC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_XBIOS
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&XBIOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GEM
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&GEM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PICOGUI
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&PG_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DC
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&DC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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&RISCOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_OS2FS
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&OS2FSLib_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_AALIB
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&AALIB_bootstrap,
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#endif
#if SDL_VIDEO_DRIVER_DUMMY
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&DUMMY_bootstrap,
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#endif
#if SDL_VIDEO_DRIVER_GLSDL
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&glSDL_bootstrap,
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#endif
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NULL
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};
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static SDL_VideoDevice *_this = NULL;
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/* Various local functions */
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int SDL_VideoInit(const char *driver_name, Uint32 flags);
void SDL_VideoQuit(void);
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static int
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cmpmodes(const void *A, const void *B)
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{
SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
if (a.w != b.w) {
return b.w - a.w;
}
if (a.h != b.h) {
return b.h - a.h;
}
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if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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}
if (a.refresh_rate != b.refresh_rate) {
return b.refresh_rate - a.refresh_rate;
}
return 0;
}
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int
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SDL_GetNumVideoDrivers(void)
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{
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return SDL_arraysize(bootstrap) - 1;
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}
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const char *
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SDL_GetVideoDriver(int index)
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{
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if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
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return bootstrap[index]->name;
}
return NULL;
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}
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/*
* Initialize the video and event subsystems -- determine native pixel format
*/
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int
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SDL_VideoInit(const char *driver_name, Uint32 flags)
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{
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SDL_VideoDevice *video;
int index;
int i;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
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/* Toggle the event thread flags, based on OS requirements */
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#if defined(MUST_THREAD_EVENTS)
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flags |= SDL_INIT_EVENTTHREAD;
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#elif defined(CANT_THREAD_EVENTS)
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if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
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SDL_SetError("OS doesn't support threaded events");
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return -1;
}
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#endif
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/* Check to make sure we don't overwrite '_this' */
if (_this != NULL) {
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SDL_VideoQuit();
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}
/* Select the proper video driver */
index = 0;
video = NULL;
if (driver_name != NULL) {
for (i = 0; bootstrap[i]; ++i) {
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if (SDL_strncmp(bootstrap[i]->name, driver_name,
SDL_strlen(bootstrap[i]->name)) == 0) {
if (bootstrap[i]->available()) {
video = bootstrap[i]->create(index);
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}
break;
}
}
} else {
for (i = 0; bootstrap[i]; ++i) {
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if (bootstrap[i]->available()) {
video = bootstrap[i]->create(index);
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if (video != NULL) {
break;
}
}
}
}
if (video == NULL) {
if (driver_name) {
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SDL_SetError("%s not available", driver_name);
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} else {
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SDL_SetError("No available video device");
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}
return -1;
}
_this = video;
_this->name = bootstrap[i]->name;
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_this->next_object_id = 1;
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/* Set some very sane GL defaults */
_this->gl_config.driver_loaded = 0;
_this->gl_config.dll_handle = NULL;
_this->gl_config.red_size = 3;
_this->gl_config.green_size = 3;
_this->gl_config.blue_size = 2;
_this->gl_config.alpha_size = 0;
_this->gl_config.buffer_size = 0;
_this->gl_config.depth_size = 16;
_this->gl_config.stencil_size = 0;
_this->gl_config.double_buffer = 1;
_this->gl_config.accum_red_size = 0;
_this->gl_config.accum_green_size = 0;
_this->gl_config.accum_blue_size = 0;
_this->gl_config.accum_alpha_size = 0;
_this->gl_config.stereo = 0;
_this->gl_config.multisamplebuffers = 0;
_this->gl_config.multisamplesamples = 0;
_this->gl_config.accelerated = -1; /* not known, don't set */
_this->gl_config.swap_control = -1; /* not known, don't set */
/* Initialize the video subsystem */
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if (_this->VideoInit(_this) < 0) {
SDL_VideoQuit();
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return -1;
}
/* Make sure some displays were added */
if (_this->num_displays == 0) {
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SDL_SetError("The video driver did not add any displays");
SDL_VideoQuit();
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return (-1);
}
/* Sort the video modes */
for (i = 0; i < _this->num_displays; ++i) {
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SDL_qsort(_this->displays[i].display_modes,
_this->displays[i].num_display_modes,
sizeof(SDL_DisplayMode), cmpmodes);
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}
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/* The software renderer is always available */
for (i = 0; i < _this->num_displays; ++i) {
if (_this->displays[i].num_render_drivers > 0) {
SDL_AddRenderDriver(i, &SDL_SW_RenderDriver);
}
}
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/* Start the event loop */
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if (SDL_StartEventLoop(flags) < 0) {
SDL_VideoQuit();
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return -1;
}
/* We're ready to go! */
return 0;
}
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const char *
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SDL_GetCurrentVideoDriver()
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{
if (!_this) {
return NULL;
}
return _this->name;
}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
return _this;
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}
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int
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SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
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{
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SDL_VideoDisplay display;
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SDL_zero(display);
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if (desktop_mode) {
display.desktop_mode = *desktop_mode;
}
display.current_mode = display.desktop_mode;
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return SDL_AddVideoDisplay(&display);
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}
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int
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SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
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{
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SDL_VideoDisplay *displays;
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int index = -1;
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displays =
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SDL_realloc(_this->displays,
(_this->num_displays + 1) * sizeof(*displays));
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if (displays) {
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index = _this->num_displays++;
displays[index] = *display;
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_this->displays = displays;
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} else {
SDL_OutOfMemory();
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}
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return index;
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}
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int
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SDL_GetNumVideoDisplays(void)
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{
if (!_this) {
return 0;
}
return _this->num_displays;
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}
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int
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SDL_SelectVideoDisplay(int index)
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{
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if (!_this) {
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SDL_SetError("Video subsystem has not been initialized");
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return (-1);
}
if (index >= 0) {
if (index >= _this->num_displays) {
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SDL_SetError("index must be in the range 0 - %d",
_this->num_displays - 1);
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return -1;
}
_this->current_display = index;
}
return _this->current_display;
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}
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void
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SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode)
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{
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SDL_VideoDisplay *display = &_this->displays[displayIndex];
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SDL_DisplayMode *modes;
int i, nmodes;
/* Make sure we don't already have the mode in the list */
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modes = display->display_modes;
nmodes = display->num_display_modes;
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for (i = 0; i < nmodes; ++i) {
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if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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return;
}
}
/* Go ahead and add the new mode */
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modes = SDL_realloc(modes, (nmodes + 1) * sizeof(*mode));
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if (modes) {
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display->display_modes = modes;
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modes[nmodes] = *mode;
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display->num_display_modes++;
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}
}
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int
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SDL_GetNumDisplayModes()
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{
if (_this) {
return SDL_CurrentDisplay.num_display_modes;
}
return 0;
}
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const SDL_DisplayMode *
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SDL_GetDisplayMode(int index)
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{
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if (index < 0 || index >= SDL_GetNumDisplayModes()) {
SDL_SetError("index must be in the range of 0 - %d",
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SDL_GetNumDisplayModes() - 1);
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return NULL;
}
return &SDL_CurrentDisplay.display_modes[index];
}
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const SDL_DisplayMode *
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SDL_GetDesktopDisplayMode(void)
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{
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if (_this) {
return &SDL_CurrentDisplay.desktop_mode;
}
return NULL;
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}
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const SDL_DisplayMode *
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SDL_GetCurrentDisplayMode(void)
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{
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if (_this) {
return &SDL_CurrentDisplay.current_mode;
}
return NULL;
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}
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SDL_DisplayMode *
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SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
SDL_DisplayMode * closest)
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436
{
May 28, 2006
May 28, 2006
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
Uint32 target_format;
int target_refresh_rate;
int i;
SDL_DisplayMode *current, *match;
if (!_this || !mode || !closest) {
return NULL;
}
/* Default to the desktop format */
if (mode->format) {
target_format = mode->format;
} else {
target_format = SDL_CurrentDisplay.desktop_mode.format;
}
/* Default to the desktop refresh rate */
if (mode->refresh_rate) {
target_refresh_rate = mode->refresh_rate;
} else {
target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
}
match = NULL;
for (i = 0; i < SDL_CurrentDisplay.num_display_modes; ++i) {
current = &SDL_CurrentDisplay.display_modes[i];
if ((current->w && current->h) &&
(current->w < mode->w || current->h < mode->h)) {
/* Out of sorted modes large enough here */
break;
}
if (!match || current->w < match->w || current->h < match->h) {
match = current;
continue;
}
if (current->format != match->format) {
/* Sorted highest depth to lowest */
if (current->format == target_format ||
May 29, 2006
May 29, 2006
476
477
478
479
(SDL_BITSPERPIXEL(current->format) >=
SDL_BITSPERPIXEL(target_format)
&& SDL_PIXELTYPE(current->format) ==
SDL_PIXELTYPE(target_format))) {
May 28, 2006
May 28, 2006
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
match = current;
}
continue;
}
if (current->refresh_rate != match->refresh_rate) {
/* Sorted highest refresh to lowest */
if (current->refresh_rate >= target_refresh_rate) {
match = current;
}
}
}
if (match) {
if (match->format) {
closest->format = match->format;
} else {
closest->format = mode->format;
}
if (match->w && match->h) {
closest->w = match->w;
closest->h = match->h;
} else {
closest->w = mode->w;
closest->h = mode->h;
}
if (match->refresh_rate) {
closest->refresh_rate = match->refresh_rate;
} else {
closest->refresh_rate = mode->refresh_rate;
}
return closest;
}
return NULL;
Apr 26, 2001
Apr 26, 2001
512
513
}
May 28, 2006
May 28, 2006
514
int
May 29, 2006
May 29, 2006
515
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
Apr 26, 2001
Apr 26, 2001
516
{
May 29, 2006
May 29, 2006
517
SDL_VideoDisplay *display;
May 28, 2006
May 28, 2006
518
SDL_DisplayMode display_mode;
May 29, 2006
May 29, 2006
519
int i;
May 28, 2006
May 28, 2006
520
521
if (!_this) {
May 29, 2006
May 29, 2006
522
SDL_SetError("Video subsystem has not been initialized");
May 28, 2006
May 28, 2006
523
524
525
526
527
return -1;
}
/* Make sure there's an actual display mode to set */
if (!mode) {
May 29, 2006
May 29, 2006
528
SDL_SetError("No mode passed to SDL_SetDisplayMode");
May 28, 2006
May 28, 2006
529
530
return -1;
}
May 29, 2006
May 29, 2006
531
display = &SDL_CurrentDisplay;
May 28, 2006
May 28, 2006
532
533
534
535
display_mode = *mode;
/* Default to the current mode */
if (!display_mode.format) {
May 29, 2006
May 29, 2006
536
display_mode.format = display->current_mode.format;
May 28, 2006
May 28, 2006
537
538
}
if (!display_mode.w) {
May 29, 2006
May 29, 2006
539
display_mode.w = display->current_mode.w;
May 28, 2006
May 28, 2006
540
541
}
if (!display_mode.h) {
May 29, 2006
May 29, 2006
542
display_mode.h = display->current_mode.h;
May 28, 2006
May 28, 2006
543
544
}
if (!display_mode.refresh_rate) {
May 29, 2006
May 29, 2006
545
display_mode.refresh_rate = display->current_mode.refresh_rate;
May 28, 2006
May 28, 2006
546
547
548
}
/* Get a good video mode, the closest one possible */
May 29, 2006
May 29, 2006
549
550
551
if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
SDL_SetError("No video mode large enough for %dx%d",
display_mode.w, display_mode.h);
May 28, 2006
May 28, 2006
552
553
554
555
556
return -1;
}
/* See if there's anything left to do */
if (SDL_memcmp
May 29, 2006
May 29, 2006
557
558
(&display_mode, SDL_GetCurrentDisplayMode(),
sizeof(display_mode)) == 0) {
May 28, 2006
May 28, 2006
559
560
561
return 0;
}
May 29, 2006
May 29, 2006
562
return _this->SetDisplayMode(_this, &display_mode);
Apr 26, 2001
Apr 26, 2001
563
564
}
May 28, 2006
May 28, 2006
565
SDL_WindowID
May 29, 2006
May 29, 2006
566
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
May 28, 2006
May 28, 2006
567
568
569
570
571
572
573
574
575
576
577
578
579
580
{
const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
SDL_WINDOW_BORDERLESS |
SDL_WINDOW_SHOWN |
SDL_WINDOW_OPENGL |
SDL_WINDOW_RESIZABLE |
SDL_WINDOW_MAXIMIZED |
SDL_WINDOW_MINIMIZED |
SDL_WINDOW_INPUT_GRABBED);
SDL_Window window;
int num_windows;
SDL_Window *windows;
if (!_this) {
May 29, 2006
May 29, 2006
581
SDL_SetError("Video subsystem has not been initialized");
May 28, 2006
May 28, 2006
582
583
584
return 0;
}
May 29, 2006
May 29, 2006
585
SDL_zero(window);
Jun 7, 2006
Jun 7, 2006
586
window.id = _this->next_object_id++;
May 29, 2006
May 29, 2006
587
window.title = title ? SDL_strdup(title) : NULL;
May 28, 2006
May 28, 2006
588
589
590
591
592
window.x = x;
window.y = y;
window.w = w;
window.h = h;
window.flags = (flags & allowed_flags);
Jun 12, 2006
Jun 12, 2006
593
window.display = &SDL_CurrentDisplay;
May 28, 2006
May 28, 2006
594
May 29, 2006
May 29, 2006
595
if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
May 29, 2006
May 29, 2006
596
if (window.title) {
May 29, 2006
May 29, 2006
597
SDL_free(window.title);
May 29, 2006
May 29, 2006
598
}
May 28, 2006
May 28, 2006
599
600
601
602
603
return 0;
}
num_windows = SDL_CurrentDisplay.num_windows;
windows =
May 29, 2006
May 29, 2006
604
605
SDL_realloc(SDL_CurrentDisplay.windows,
(num_windows + 1) * sizeof(*windows));
May 28, 2006
May 28, 2006
606
607
if (!windows) {
if (_this->DestroyWindow) {
May 29, 2006
May 29, 2006
608
_this->DestroyWindow(_this, &window);
May 28, 2006
May 28, 2006
609
}
May 29, 2006
May 29, 2006
610
if (window.title) {
May 29, 2006
May 29, 2006
611
SDL_free(window.title);
May 29, 2006
May 29, 2006
612
}
May 28, 2006
May 28, 2006
613
614
615
616
617
618
619
620
return 0;
}
windows[num_windows] = window;
SDL_CurrentDisplay.windows = windows;
SDL_CurrentDisplay.num_windows++;
return window.id;
}
Jul 18, 2004
Jul 18, 2004
621
May 28, 2006
May 28, 2006
622
SDL_WindowID
May 29, 2006
May 29, 2006
623
SDL_CreateWindowFrom(void *data)
Apr 26, 2001
Apr 26, 2001
624
{
May 28, 2006
May 28, 2006
625
626
627
628
629
SDL_Window window;
int num_windows;
SDL_Window *windows;
if (!_this) {
May 29, 2006
May 29, 2006
630
SDL_SetError("Video subsystem has not been initialized");
May 28, 2006
May 28, 2006
631
632
633
return (0);
}
May 29, 2006
May 29, 2006
634
SDL_zero(window);
Jun 7, 2006
Jun 7, 2006
635
window.id = _this->next_object_id++;
Jun 12, 2006
Jun 12, 2006
636
window.display = &SDL_CurrentDisplay;
May 28, 2006
May 28, 2006
637
638
if (!_this->CreateWindowFrom ||
May 29, 2006
May 29, 2006
639
_this->CreateWindowFrom(_this, &window, data) < 0) {
May 28, 2006
May 28, 2006
640
641
642
643
644
return 0;
}
num_windows = SDL_CurrentDisplay.num_windows;
windows =
May 29, 2006
May 29, 2006
645
646
SDL_realloc(SDL_CurrentDisplay.windows,
(num_windows + 1) * sizeof(*windows));
May 28, 2006
May 28, 2006
647
648
if (!windows) {
if (_this->DestroyWindow) {
May 29, 2006
May 29, 2006
649
_this->DestroyWindow(_this, &window);
May 28, 2006
May 28, 2006
650
}
May 29, 2006
May 29, 2006
651
if (window.title) {
May 29, 2006
May 29, 2006
652
SDL_free(window.title);
May 29, 2006
May 29, 2006
653
}
May 28, 2006
May 28, 2006
654
655
656
657
658
659
660
661
return 0;
}
windows[num_windows] = window;
SDL_CurrentDisplay.windows = windows;
SDL_CurrentDisplay.num_windows++;
return window.id;
}
Nov 4, 2001
Nov 4, 2001
662
May 28, 2006
May 28, 2006
663
static __inline__ SDL_Window *
May 29, 2006
May 29, 2006
664
SDL_GetWindowFromID(SDL_WindowID windowID)
May 28, 2006
May 28, 2006
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
{
int i, j;
if (!_this) {
return NULL;
}
for (i = 0; i < _this->num_displays; ++i) {
SDL_VideoDisplay *display = &_this->displays[i];
for (j = 0; j < display->num_windows; ++j) {
SDL_Window *window = &display->windows[j];
if (window->id == windowID) {
return window;
}
}
}
return NULL;
Apr 26, 2001
Apr 26, 2001
682
683
}
May 28, 2006
May 28, 2006
684
Uint32
May 29, 2006
May 29, 2006
685
SDL_GetWindowFlags(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
686
{
May 29, 2006
May 29, 2006
687
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
688
689
690
691
692
if (!window) {
return 0;
}
return window->flags;
Apr 26, 2001
Apr 26, 2001
693
694
}
May 28, 2006
May 28, 2006
695
void
May 29, 2006
May 29, 2006
696
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
Apr 26, 2001
Apr 26, 2001
697
{
May 29, 2006
May 29, 2006
698
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
699
700
701
702
703
if (!window) {
return;
}
if (window->title) {
May 29, 2006
May 29, 2006
704
SDL_free(window->title);
May 28, 2006
May 28, 2006
705
}
May 29, 2006
May 29, 2006
706
window->title = SDL_strdup(title);
May 28, 2006
May 28, 2006
707
708
if (_this->SetWindowTitle) {
May 29, 2006
May 29, 2006
709
_this->SetWindowTitle(_this, window);
May 28, 2006
May 28, 2006
710
}
Apr 26, 2001
Apr 26, 2001
711
}
May 28, 2006
May 28, 2006
712
713
const char *
May 29, 2006
May 29, 2006
714
SDL_GetWindowTitle(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
715
{
May 29, 2006
May 29, 2006
716
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
717
718
719
720
721
if (!window) {
return NULL;
}
return window->title;
Apr 26, 2001
Apr 26, 2001
722
723
}
May 28, 2006
May 28, 2006
724
void
May 29, 2006
May 29, 2006
725
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
Apr 26, 2001
Apr 26, 2001
726
{
May 29, 2006
May 29, 2006
727
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
728
729
730
731
732
if (!window) {
return;
}
window->userdata = userdata;
Apr 26, 2001
Apr 26, 2001
733
734
}
May 28, 2006
May 28, 2006
735
void *
May 29, 2006
May 29, 2006
736
SDL_GetWindowData(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
737
{
May 29, 2006
May 29, 2006
738
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
739
740
741
742
743
if (!window) {
return NULL;
}
return window->userdata;
Apr 26, 2001
Apr 26, 2001
744
745
}
May 28, 2006
May 28, 2006
746
void
May 29, 2006
May 29, 2006
747
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
Apr 26, 2001
Apr 26, 2001
748
{
May 29, 2006
May 29, 2006
749
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
750
751
752
753
754
755
756
757
758
if (!window) {
return;
}
window->x = x;
window->y = y;
if (_this->SetWindowPosition) {
May 29, 2006
May 29, 2006
759
_this->SetWindowPosition(_this, window);
May 28, 2006
May 28, 2006
760
}
Apr 26, 2001
Apr 26, 2001
761
762
}
May 28, 2006
May 28, 2006
763
void
May 29, 2006
May 29, 2006
764
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
Apr 26, 2001
Apr 26, 2001
765
{
May 29, 2006
May 29, 2006
766
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
767
768
769
770
771
772
773
774
775
776
if (!window) {
return;
}
if (x) {
*x = window->x;
}
if (y) {
*y = window->y;
}
Apr 26, 2001
Apr 26, 2001
777
778
}
May 28, 2006
May 28, 2006
779
void
May 29, 2006
May 29, 2006
780
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
Apr 26, 2001
Apr 26, 2001
781
{
May 29, 2006
May 29, 2006
782
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
783
784
785
786
787
788
789
790
791
if (!window) {
return;
}
window->w = w;
window->h = h;
if (_this->SetWindowSize) {
May 29, 2006
May 29, 2006
792
_this->SetWindowSize(_this, window);
May 28, 2006
May 28, 2006
793
}
Apr 26, 2001
Apr 26, 2001
794
795
}
May 28, 2006
May 28, 2006
796
void
May 29, 2006
May 29, 2006
797
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
Apr 26, 2001
Apr 26, 2001
798
{
May 29, 2006
May 29, 2006
799
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
800
801
802
803
804
805
806
807
808
809
if (!window) {
return;
}
if (w) {
*w = window->w;
}
if (h) {
*h = window->h;
}
Apr 26, 2001
Apr 26, 2001
810
811
}
May 28, 2006
May 28, 2006
812
void
May 29, 2006
May 29, 2006
813
SDL_ShowWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
814
{
May 29, 2006
May 29, 2006
815
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
816
817
818
819
820
821
822
823
if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
return;
}
window->flags |= SDL_WINDOW_SHOWN;
if (_this->ShowWindow) {
May 29, 2006
May 29, 2006
824
_this->ShowWindow(_this, window);
May 28, 2006
May 28, 2006
825
}
Apr 26, 2001
Apr 26, 2001
826
827
}
May 28, 2006
May 28, 2006
828
void
May 29, 2006
May 29, 2006
829
SDL_HideWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
830
{
May 29, 2006
May 29, 2006
831
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
832
833
834
835
836
837
838
839
if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
return;
}
window->flags &= ~SDL_WINDOW_SHOWN;
if (_this->HideWindow) {
May 29, 2006
May 29, 2006
840
_this->HideWindow(_this, window);
May 28, 2006
May 28, 2006
841
}
Apr 26, 2001
Apr 26, 2001
842
843
}
May 28, 2006
May 28, 2006
844
void
May 29, 2006
May 29, 2006
845
SDL_RaiseWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
846
{
May 29, 2006
May 29, 2006
847
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
848
849
850
851
852
853
if (!window) {
return;
}
if (_this->RaiseWindow) {
May 29, 2006
May 29, 2006
854
_this->RaiseWindow(_this, window);
May 28, 2006
May 28, 2006
855
}
Apr 26, 2001
Apr 26, 2001
856
857
}
May 28, 2006
May 28, 2006
858
void
May 29, 2006
May 29, 2006
859
SDL_MaximizeWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
860
{
May 29, 2006
May 29, 2006
861
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
862
863
864
865
866
867
868
869
if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
return;
}
window->flags |= SDL_WINDOW_MAXIMIZED;
if (_this->MaximizeWindow) {
May 29, 2006
May 29, 2006
870
_this->MaximizeWindow(_this, window);
May 28, 2006
May 28, 2006
871
}
Apr 26, 2001
Apr 26, 2001
872
873
}
May 28, 2006
May 28, 2006
874
void
May 29, 2006
May 29, 2006
875
SDL_MinimizeWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
876
{
May 29, 2006
May 29, 2006
877
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
878
879
880
881
882
883
884
885
if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
return;
}
window->flags |= SDL_WINDOW_MINIMIZED;
if (_this->MinimizeWindow) {
May 29, 2006
May 29, 2006
886
_this->MinimizeWindow(_this, window);
May 28, 2006
May 28, 2006
887
}
Apr 26, 2001
Apr 26, 2001
888
889
}
May 28, 2006
May 28, 2006
890
void
May 29, 2006
May 29, 2006
891
SDL_RestoreWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
892
{
May 29, 2006
May 29, 2006
893
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
894
895
896
897
898
899
900
901
902
if (!window
|| (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
return;
}
window->flags &= ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED);
if (_this->RestoreWindow) {
May 29, 2006
May 29, 2006
903
_this->RestoreWindow(_this, window);
May 28, 2006
May 28, 2006
904
}
Apr 26, 2001
Apr 26, 2001
905
}
May 28, 2006
May 28, 2006
906
907
void
May 29, 2006
May 29, 2006
908
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
Apr 26, 2001
Apr 26, 2001
909
{
May 29, 2006
May 29, 2006
910
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
911
912
913
914
915
916
917
918
919
920
921
922
if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
return;
}
if (mode) {
window->flags |= SDL_WINDOW_INPUT_GRABBED;
} else {
window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
}
if (_this->SetWindowGrab) {
May 29, 2006
May 29, 2006
923
_this->SetWindowGrab(_this, window);
May 28, 2006
May 28, 2006
924
}
Apr 26, 2001
Apr 26, 2001
925
926
}
May 28, 2006
May 28, 2006
927
int
May 29, 2006
May 29, 2006
928
SDL_GetWindowGrab(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
929
{
May 29, 2006
May 29, 2006
930
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
931
932
933
934
935
936
937
938
939
if (!window) {
return 0;
}
return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
}
void
May 29, 2006
May 29, 2006
940
SDL_DestroyWindow(SDL_WindowID windowID)
May 28, 2006
May 28, 2006
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
{
int i, j;
if (!_this) {
return;
}
for (i = 0; i < _this->num_displays; ++i) {
SDL_VideoDisplay *display = &_this->displays[i];
for (j = 0; j < display->num_windows; ++j) {
SDL_Window *window = &display->windows[j];
if (window->id != windowID) {
continue;
}
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
May 29, 2006
May 29, 2006
957
_this->SetWindowGrab(_this, window);
May 28, 2006
May 28, 2006
958
}
Jun 7, 2006
Jun 7, 2006
959
960
if (window->renderer) {
SDL_DestroyRenderer(window->id);
May 28, 2006
May 28, 2006
961
962
}
if (_this->DestroyWindow) {
May 29, 2006
May 29, 2006
963
_this->DestroyWindow(_this, window);
May 28, 2006
May 28, 2006
964
965
}
if (window->title) {
May 29, 2006
May 29, 2006
966
SDL_free(window->title);
May 28, 2006
May 28, 2006
967
968
}
if (window->gamma) {
May 29, 2006
May 29, 2006
969
SDL_free(window->gamma);
May 28, 2006
May 28, 2006
970
971
}
if (j != display->num_windows - 1) {
May 29, 2006
May 29, 2006
972
973
974
SDL_memcpy(&display->windows[i],
&display->windows[i + 1],
(display->num_windows - i - 1) * sizeof(*window));
May 28, 2006
May 28, 2006
975
976
977
978
979
980
981
}
--display->num_windows;
return;
}
}
}
Jun 7, 2006
Jun 7, 2006
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
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999
1000
void
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
{
SDL_VideoDisplay *display = &_this->displays[displayIndex];
SDL_RenderDriver *render_drivers;
render_drivers =
SDL_realloc(display->render_drivers,
(display->num_render_drivers +
1) * sizeof(*render_drivers));
if (render_drivers) {
render_drivers[display->num_render_drivers] = *driver;
display->render_drivers = render_drivers;
display->num_render_drivers++;
}
}
int
SDL_GetNumRenderers(void)