src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 14 Jun 2007 06:32:36 +0000
changeset 2119 9341a884a4d9
parent 2075 46661504398c
child 2130 3ee59c43d784
permissions -rw-r--r--
Fixed running on Windows under VMware
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/*
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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,
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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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/* The high-level video driver subsystem */
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#include "SDL.h"
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#include "SDL_sysvideo.h"
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#include "SDL_blit.h"
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#include "SDL_pixels_c.h"
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#include "SDL_renderer_gl.h"
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#include "SDL_renderer_sw.h"
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#include "../events/SDL_sysevents.h"
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#include "../events/SDL_events_c.h"
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#if SDL_VIDEO_OPENGL
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#include "SDL_opengl.h"
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/* On Windows, windows.h defines CreateWindow */
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#ifdef CreateWindow
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#undef CreateWindow
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#endif
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#endif /* SDL_VIDEO_OPENGL */
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/* Available video drivers */
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static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_COCOA
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    &COCOA_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_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_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_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_WIN32
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    &WIN32_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_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_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_DUMMY
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    &DUMMY_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);
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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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{
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    SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
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    SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
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    if (a.w != b.w) {
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        return b.w - a.w;
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    }
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    if (a.h != b.h) {
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        return b.h - a.h;
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    }
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    if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
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        return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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    }
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    if (a.refresh_rate != b.refresh_rate) {
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        return b.refresh_rate - a.refresh_rate;
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    }
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    return 0;
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}
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static void
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SDL_UninitializedVideo()
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{
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    SDL_SetError("Video subsystem has not been initialized");
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}
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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;
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    }
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    return NULL;
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}
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/*
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 * Initialize the video and event subsystems -- determine native pixel format
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 */
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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;
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    int index;
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    int i;
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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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    }
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#endif
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    /* Start the event loop */
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    if (SDL_StartEventLoop(flags) < 0) {
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        return -1;
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    }
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    /* Check to make sure we don't overwrite '_this' */
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    if (_this != NULL) {
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        SDL_VideoQuit();
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    }
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    /* Select the proper video driver */
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    index = 0;
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    video = NULL;
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    if (driver_name == NULL) {
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        driver_name = SDL_getenv("SDL_VIDEODRIVER");
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    }
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    if (driver_name != NULL) {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (SDL_strcasecmp(bootstrap[i]->name, driver_name) == 0) {
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                if (bootstrap[i]->available()) {
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                    video = bootstrap[i]->create(index);
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                }
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                break;
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            }
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        }
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    } else {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (bootstrap[i]->available()) {
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                video = bootstrap[i]->create(index);
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                if (video != NULL) {
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                    break;
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                }
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            }
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        }
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    }
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    if (video == NULL) {
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        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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        }
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        return -1;
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    }
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    _this = video;
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    _this->name = bootstrap[i]->name;
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    _this->next_object_id = 1;
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    /* Set some very sane GL defaults */
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    _this->gl_config.driver_loaded = 0;
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    _this->gl_config.dll_handle = NULL;
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    _this->gl_config.red_size = 3;
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    _this->gl_config.green_size = 3;
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    _this->gl_config.blue_size = 2;
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    _this->gl_config.alpha_size = 0;
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    _this->gl_config.buffer_size = 0;
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    _this->gl_config.depth_size = 16;
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    _this->gl_config.stencil_size = 0;
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    _this->gl_config.double_buffer = 1;
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    _this->gl_config.accum_red_size = 0;
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    _this->gl_config.accum_green_size = 0;
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    _this->gl_config.accum_blue_size = 0;
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    _this->gl_config.accum_alpha_size = 0;
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    _this->gl_config.stereo = 0;
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    _this->gl_config.multisamplebuffers = 0;
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    _this->gl_config.multisamplesamples = 0;
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    _this->gl_config.accelerated = -1;  /* not known, don't set */
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    /* Initialize the video subsystem */
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    if (_this->VideoInit(_this) < 0) {
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        SDL_VideoQuit();
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        return -1;
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    }
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    /* Make sure some displays were added */
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    if (_this->num_displays == 0) {
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        SDL_SetError("The video driver did not add any displays");
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        SDL_VideoQuit();
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        return (-1);
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    }
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    /* The software renderer is always available */
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    for (i = 0; i < _this->num_displays; ++i) {
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#if SDL_VIDEO_RENDER_OGL
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        SDL_AddRenderDriver(i, &GL_RenderDriver);
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#endif
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        if (_this->displays[i].num_render_drivers > 0) {
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            SDL_AddRenderDriver(i, &SW_RenderDriver);
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        }
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    }
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    /* We're ready to go! */
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    return 0;
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}
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const char *
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SDL_GetCurrentVideoDriver()
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return NULL;
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    }
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    return _this->name;
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}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
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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) {
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        display.desktop_mode = *desktop_mode;
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    }
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    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,
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                    (_this->num_displays + 1) * sizeof(*displays));
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    if (displays) {
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        index = _this->num_displays++;
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        displays[index] = *display;
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        displays[index].device = _this;
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        _this->displays = displays;
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    } else {
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        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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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return 0;
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    }
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    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_UninitializedVideo();
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        return (-1);
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    }
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    if (index < 0 || index >= _this->num_displays) {
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        SDL_SetError("index must be in the range 0 - %d",
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                     _this->num_displays - 1);
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        return -1;
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    }
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    _this->current_display = index;
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    return 0;
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}
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int
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SDL_GetCurrentVideoDisplay(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    return _this->current_display;
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}
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SDL_bool
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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;
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    int i, nmodes;
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    /* Make sure we don't already have the mode in the list */
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    modes = display->display_modes;
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    nmodes = display->num_display_modes;
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    for (i = nmodes; i--;) {
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        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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            return SDL_FALSE;
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        }
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    }
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    /* Go ahead and add the new mode */
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    if (nmodes == display->max_display_modes) {
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        modes =
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            SDL_realloc(modes,
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                        (display->max_display_modes + 32) * sizeof(*modes));
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        if (!modes) {
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            return SDL_FALSE;
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        }
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        display->display_modes = modes;
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        display->max_display_modes += 32;
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    }
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    modes[nmodes] = *mode;
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   389
    display->num_display_modes++;
slouken@1895
   390
slouken@1895
   391
    return SDL_TRUE;
slouken@0
   392
}
slouken@0
   393
slouken@1895
   394
int
slouken@1895
   395
SDL_GetNumDisplayModes()
slouken@0
   396
{
slouken@1895
   397
    if (_this) {
slouken@1895
   398
        SDL_VideoDisplay *display = &SDL_CurrentDisplay;
slouken@1895
   399
        if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@1895
   400
            _this->GetDisplayModes(_this);
slouken@1895
   401
            SDL_qsort(display->display_modes, display->num_display_modes,
slouken@1895
   402
                      sizeof(SDL_DisplayMode), cmpmodes);
slouken@1895
   403
        }
slouken@1895
   404
        return display->num_display_modes;
slouken@1895
   405
    }
slouken@1895
   406
    return 0;
slouken@0
   407
}
slouken@0
   408
slouken@1967
   409
int
slouken@1967
   410
SDL_GetDisplayMode(int index, SDL_DisplayMode * mode)
slouken@0
   411
{
slouken@1895
   412
    if (index < 0 || index >= SDL_GetNumDisplayModes()) {
slouken@1895
   413
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
   414
                     SDL_GetNumDisplayModes() - 1);
slouken@1967
   415
        return -1;
slouken@1895
   416
    }
slouken@1967
   417
    if (mode) {
slouken@1967
   418
        *mode = SDL_CurrentDisplay.display_modes[index];
slouken@1967
   419
    }
slouken@1967
   420
    return 0;
slouken@0
   421
}
slouken@0
   422
slouken@1967
   423
int
slouken@1967
   424
SDL_GetDesktopDisplayMode(SDL_DisplayMode * mode)
slouken@0
   425
{
slouken@1967
   426
    if (!_this) {
slouken@1967
   427
        SDL_UninitializedVideo();
slouken@1967
   428
        return -1;
slouken@1895
   429
    }
slouken@1967
   430
    if (mode) {
slouken@1967
   431
        *mode = SDL_CurrentDisplay.desktop_mode;
slouken@1967
   432
    }
slouken@1967
   433
    return 0;
slouken@0
   434
}
slouken@0
   435
slouken@1967
   436
int
slouken@1967
   437
SDL_GetCurrentDisplayMode(SDL_DisplayMode * mode)
slouken@0
   438
{
slouken@1967
   439
    if (!_this) {
slouken@1967
   440
        SDL_UninitializedVideo();
slouken@1967
   441
        return -1;
slouken@1895
   442
    }
slouken@1967
   443
    if (mode) {
slouken@1967
   444
        *mode = SDL_CurrentDisplay.current_mode;
slouken@1967
   445
    }
slouken@1967
   446
    return 0;
slouken@0
   447
}
slouken@0
   448
slouken@1895
   449
SDL_DisplayMode *
slouken@1895
   450
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   451
                          SDL_DisplayMode * closest)
slouken@0
   452
{
slouken@1895
   453
    Uint32 target_format;
slouken@1895
   454
    int target_refresh_rate;
slouken@1895
   455
    int i;
slouken@1895
   456
    SDL_DisplayMode *current, *match;
slouken@0
   457
slouken@1895
   458
    if (!_this || !mode || !closest) {
slouken@1895
   459
        return NULL;
slouken@1895
   460
    }
slouken@0
   461
slouken@1895
   462
    /* Default to the desktop format */
slouken@1895
   463
    if (mode->format) {
slouken@1895
   464
        target_format = mode->format;
slouken@1895
   465
    } else {
slouken@1895
   466
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   467
    }
slouken@0
   468
slouken@1895
   469
    /* Default to the desktop refresh rate */
slouken@1895
   470
    if (mode->refresh_rate) {
slouken@1895
   471
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   472
    } else {
slouken@1895
   473
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   474
    }
slouken@0
   475
slouken@1895
   476
    match = NULL;
slouken@1895
   477
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   478
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@1895
   479
slouken@1895
   480
        if ((current->w && current->h) &&
slouken@1895
   481
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   482
            /* Out of sorted modes large enough here */
slouken@1895
   483
            break;
slouken@1895
   484
        }
slouken@1895
   485
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   486
            match = current;
slouken@1895
   487
            continue;
slouken@1895
   488
        }
slouken@1895
   489
        if (current->format != match->format) {
slouken@1895
   490
            /* Sorted highest depth to lowest */
slouken@1895
   491
            if (current->format == target_format ||
slouken@1895
   492
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   493
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   494
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   495
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   496
                match = current;
slouken@1895
   497
            }
slouken@1895
   498
            continue;
slouken@1895
   499
        }
slouken@1895
   500
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   501
            /* Sorted highest refresh to lowest */
slouken@1895
   502
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   503
                match = current;
slouken@1895
   504
            }
slouken@1895
   505
        }
slouken@1895
   506
    }
slouken@1895
   507
    if (match) {
slouken@1895
   508
        if (match->format) {
slouken@1895
   509
            closest->format = match->format;
slouken@1895
   510
        } else {
slouken@1895
   511
            closest->format = mode->format;
slouken@1895
   512
        }
slouken@1895
   513
        if (match->w && match->h) {
slouken@1895
   514
            closest->w = match->w;
slouken@1895
   515
            closest->h = match->h;
slouken@1895
   516
        } else {
slouken@1895
   517
            closest->w = mode->w;
slouken@1895
   518
            closest->h = mode->h;
slouken@1895
   519
        }
slouken@1895
   520
        if (match->refresh_rate) {
slouken@1895
   521
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   522
        } else {
slouken@1895
   523
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   524
        }
slouken@1895
   525
        closest->driverdata = match->driverdata;
slouken@1895
   526
slouken@1895
   527
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   528
        if (!closest->format) {
slouken@1965
   529
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   530
        }
slouken@1895
   531
        if (!closest->w) {
slouken@1895
   532
            closest->w = 640;
slouken@1895
   533
        }
slouken@1895
   534
        if (!closest->h) {
slouken@1895
   535
            closest->h = 480;
slouken@1895
   536
        }
slouken@1895
   537
        return closest;
slouken@1895
   538
    }
slouken@1895
   539
    return NULL;
slouken@0
   540
}
slouken@0
   541
slouken@1895
   542
int
slouken@1895
   543
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   544
{
slouken@1895
   545
    SDL_VideoDisplay *display;
slouken@1895
   546
    SDL_DisplayMode display_mode;
slouken@1967
   547
    SDL_DisplayMode current_mode;
slouken@1895
   548
    int i, ncolors;
slouken@0
   549
slouken@1895
   550
    if (!_this) {
slouken@1912
   551
        SDL_UninitializedVideo();
slouken@1895
   552
        return -1;
slouken@1895
   553
    }
slouken@0
   554
slouken@1967
   555
    display = &SDL_CurrentDisplay;
slouken@1895
   556
    if (!mode) {
slouken@1967
   557
        mode = &display->desktop_mode;
slouken@1895
   558
    }
slouken@1895
   559
    display_mode = *mode;
slouken@1895
   560
slouken@1895
   561
    /* Default to the current mode */
slouken@1895
   562
    if (!display_mode.format) {
slouken@1895
   563
        display_mode.format = display->current_mode.format;
slouken@1895
   564
    }
slouken@1895
   565
    if (!display_mode.w) {
slouken@1895
   566
        display_mode.w = display->current_mode.w;
slouken@1895
   567
    }
slouken@1895
   568
    if (!display_mode.h) {
slouken@1895
   569
        display_mode.h = display->current_mode.h;
slouken@1895
   570
    }
slouken@1895
   571
    if (!display_mode.refresh_rate) {
slouken@1895
   572
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   573
    }
slouken@1895
   574
slouken@1895
   575
    /* Get a good video mode, the closest one possible */
slouken@1895
   576
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   577
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   578
                     display_mode.w, display_mode.h);
slouken@1895
   579
        return -1;
slouken@1895
   580
    }
slouken@1895
   581
slouken@1895
   582
    /* See if there's anything left to do */
slouken@1967
   583
    SDL_GetCurrentDisplayMode(&current_mode);
slouken@1967
   584
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@1895
   585
        return 0;
slouken@1895
   586
    }
slouken@1895
   587
slouken@1895
   588
    /* Actually change the display mode */
slouken@1895
   589
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   590
        return -1;
slouken@1895
   591
    }
slouken@1895
   592
    display->current_mode = display_mode;
slouken@1895
   593
slouken@1895
   594
    /* Set up a palette, if necessary */
slouken@1895
   595
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   596
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   597
    } else {
slouken@1895
   598
        ncolors = 0;
slouken@1895
   599
    }
slouken@1895
   600
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   601
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   602
        if (display->palette) {
slouken@1895
   603
            SDL_FreePalette(display->palette);
slouken@1895
   604
            display->palette = NULL;
slouken@1895
   605
        }
slouken@1895
   606
        if (ncolors) {
slouken@1895
   607
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   608
            if (!display->palette) {
slouken@1895
   609
                return -1;
slouken@1895
   610
            }
slouken@1895
   611
            SDL_DitherColors(display->palette->colors,
slouken@1895
   612
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   613
        }
slouken@1895
   614
    }
slouken@1895
   615
slouken@1895
   616
    /* Move any fullscreen windows into position */
slouken@1895
   617
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   618
        SDL_Window *window = &display->windows[i];
slouken@1895
   619
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1956
   620
            SDL_SetWindowPosition(window->id, SDL_WINDOWPOS_CENTERED,
slouken@1956
   621
                                  SDL_WINDOWPOS_CENTERED);
slouken@1895
   622
        }
slouken@1895
   623
    }
slouken@1895
   624
slouken@1895
   625
    return 0;
slouken@0
   626
}
slouken@0
   627
slouken@1895
   628
int
slouken@1895
   629
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   630
{
slouken@1895
   631
    SDL_VideoDisplay *display;
slouken@1970
   632
    SDL_DisplayMode fullscreen_mode;
slouken@1895
   633
    int i;
slouken@0
   634
slouken@1895
   635
    if (!_this) {
slouken@1912
   636
        SDL_UninitializedVideo();
slouken@1895
   637
        return -1;
slouken@1895
   638
    }
slouken@0
   639
slouken@1895
   640
    display = &SDL_CurrentDisplay;
slouken@1970
   641
    if (!mode) {
slouken@1970
   642
        mode = &display->desktop_mode;
slouken@1895
   643
    }
slouken@1895
   644
slouken@1970
   645
    SDL_GetClosestDisplayMode(mode, &fullscreen_mode);
slouken@1970
   646
    if (SDL_memcmp
slouken@1970
   647
        (&fullscreen_mode, &display->fullscreen_mode,
slouken@1970
   648
         sizeof(fullscreen_mode)) == 0) {
slouken@1970
   649
        /* Nothing to do... */
slouken@1970
   650
        return 0;
slouken@1970
   651
    }
slouken@1970
   652
    display->fullscreen_mode = fullscreen_mode;
slouken@1970
   653
slouken@1895
   654
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   655
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   656
        SDL_Window *window = &display->windows[i];
slouken@1895
   657
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1970
   658
            if (SDL_SetDisplayMode(&display->fullscreen_mode) < 0) {
slouken@1970
   659
                return -1;
slouken@1970
   660
            }
slouken@1970
   661
        }
slouken@1970
   662
        if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
   663
            SDL_OnWindowResized(window);
slouken@1895
   664
        }
slouken@1895
   665
    }
slouken@1895
   666
    return 0;
slouken@0
   667
}
slouken@0
   668
slouken@1967
   669
int
slouken@1967
   670
SDL_GetFullscreenDisplayMode(SDL_DisplayMode * mode)
slouken@0
   671
{
slouken@1967
   672
    if (!_this) {
slouken@1967
   673
        SDL_UninitializedVideo();
slouken@1967
   674
        return -1;
slouken@1895
   675
    }
slouken@1967
   676
    if (mode) {
slouken@1970
   677
        *mode = SDL_CurrentDisplay.fullscreen_mode;
slouken@1967
   678
    }
slouken@1967
   679
    return 0;
slouken@0
   680
}
slouken@0
   681
slouken@1895
   682
int
slouken@1895
   683
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   684
{
slouken@1895
   685
    SDL_Palette *palette;
slouken@1895
   686
    int status = 0;
slouken@0
   687
slouken@1895
   688
    if (!_this) {
slouken@1912
   689
        SDL_UninitializedVideo();
slouken@1895
   690
        return -1;
slouken@1895
   691
    }
slouken@1895
   692
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   693
    if (!palette) {
slouken@1895
   694
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   695
        return -1;
slouken@1895
   696
    }
slouken@0
   697
slouken@1895
   698
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@0
   699
slouken@1895
   700
    if (_this->SetDisplayPalette) {
slouken@1895
   701
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   702
            status = -1;
slouken@1895
   703
        }
slouken@1895
   704
    }
slouken@1895
   705
    return status;
slouken@0
   706
}
slouken@0
   707
slouken@1895
   708
int
slouken@1895
   709
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   710
{
slouken@1895
   711
    SDL_Palette *palette;
slouken@1895
   712
slouken@1895
   713
    if (!_this) {
slouken@1912
   714
        SDL_UninitializedVideo();
slouken@1895
   715
        return -1;
slouken@1895
   716
    }
slouken@1895
   717
slouken@1895
   718
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   719
    if (!palette->ncolors) {
slouken@1895
   720
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   721
        return -1;
slouken@1895
   722
    }
slouken@1895
   723
slouken@1895
   724
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   725
        SDL_SetError("Palette indices are out of range");
slouken@1895
   726
        return -1;
slouken@1895
   727
    }
slouken@1895
   728
slouken@1895
   729
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   730
               ncolors * sizeof(*colors));
slouken@1895
   731
    return 0;
slouken@0
   732
}
slouken@0
   733
slouken@1895
   734
SDL_WindowID
slouken@1895
   735
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
   736
{
slouken@1895
   737
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   738
                                  SDL_WINDOW_OPENGL |
slouken@1895
   739
                                  SDL_WINDOW_BORDERLESS |
slouken@1956
   740
                                  SDL_WINDOW_RESIZABLE);
slouken@1895
   741
    SDL_VideoDisplay *display;
slouken@1895
   742
    SDL_Window window;
slouken@1895
   743
    int num_windows;
slouken@1895
   744
    SDL_Window *windows;
slouken@0
   745
slouken@1895
   746
    if (!_this) {
slouken@1912
   747
        SDL_UninitializedVideo();
slouken@1912
   748
        return 0;
slouken@1912
   749
    }
slouken@1912
   750
slouken@1912
   751
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   752
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   753
        return 0;
slouken@1895
   754
    }
slouken@0
   755
slouken@1956
   756
    /* Fullscreen windows don't have any window decorations */
slouken@1956
   757
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@1956
   758
        flags |= SDL_WINDOW_BORDERLESS;
slouken@1956
   759
        flags &= ~SDL_WINDOW_RESIZABLE;
slouken@1956
   760
    }
slouken@1956
   761
slouken@1895
   762
    SDL_zero(window);
slouken@1895
   763
    window.id = _this->next_object_id++;
slouken@1895
   764
    window.x = x;
slouken@1895
   765
    window.y = y;
slouken@1895
   766
    window.w = w;
slouken@1895
   767
    window.h = h;
slouken@1895
   768
    window.flags = (flags & allowed_flags);
slouken@1895
   769
    window.display = _this->current_display;
slouken@0
   770
slouken@1895
   771
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   772
        return 0;
slouken@1895
   773
    }
slouken@0
   774
slouken@1895
   775
    display = &SDL_CurrentDisplay;
slouken@1895
   776
    num_windows = display->num_windows;
slouken@1895
   777
    windows =
slouken@1895
   778
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   779
    if (!windows) {
slouken@1895
   780
        if (_this->DestroyWindow) {
slouken@1895
   781
            _this->DestroyWindow(_this, &window);
slouken@1895
   782
        }
slouken@1895
   783
        return 0;
slouken@1895
   784
    }
slouken@1895
   785
    windows[num_windows] = window;
slouken@1895
   786
    display->windows = windows;
slouken@1895
   787
    display->num_windows++;
slouken@0
   788
slouken@1956
   789
    if (title) {
slouken@1956
   790
        SDL_SetWindowTitle(window.id, title);
slouken@1895
   791
    }
slouken@1956
   792
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   793
        SDL_MaximizeWindow(window.id);
slouken@1956
   794
    }
slouken@1956
   795
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   796
        SDL_MinimizeWindow(window.id);
slouken@1956
   797
    }
slouken@1956
   798
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   799
        SDL_ShowWindow(window.id);
slouken@1956
   800
    }
slouken@1956
   801
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   802
        SDL_SetWindowGrab(window.id, 1);
slouken@1956
   803
    }
slouken@1895
   804
    return window.id;
slouken@1895
   805
}
slouken@0
   806
slouken@1895
   807
SDL_WindowID
slouken@1895
   808
SDL_CreateWindowFrom(const void *data)
slouken@1895
   809
{
slouken@1895
   810
    SDL_VideoDisplay *display;
slouken@1895
   811
    SDL_Window window;
slouken@1895
   812
    int num_windows;
slouken@1895
   813
    SDL_Window *windows;
slouken@0
   814
slouken@1895
   815
    if (!_this) {
slouken@1912
   816
        SDL_UninitializedVideo();
slouken@1895
   817
        return (0);
slouken@1895
   818
    }
slouken@1895
   819
slouken@1895
   820
    SDL_zero(window);
slouken@1895
   821
    window.id = _this->next_object_id++;
slouken@1895
   822
    window.display = _this->current_display;
slouken@1895
   823
slouken@1895
   824
    if (!_this->CreateWindowFrom ||
slouken@1895
   825
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   826
        return 0;
slouken@1895
   827
    }
slouken@1895
   828
slouken@1895
   829
    display = &SDL_CurrentDisplay;
slouken@1895
   830
    num_windows = display->num_windows;
slouken@1895
   831
    windows =
slouken@1895
   832
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   833
    if (!windows) {
slouken@1895
   834
        if (_this->DestroyWindow) {
slouken@1895
   835
            _this->DestroyWindow(_this, &window);
slouken@1895
   836
        }
slouken@1895
   837
        if (window.title) {
slouken@1895
   838
            SDL_free(window.title);
slouken@1895
   839
        }
slouken@1895
   840
        return 0;
slouken@1895
   841
    }
slouken@1895
   842
    windows[num_windows] = window;
slouken@1895
   843
    display->windows = windows;
slouken@1895
   844
    display->num_windows++;
slouken@1895
   845
slouken@1895
   846
    return window.id;
slouken@1895
   847
}
slouken@1895
   848
slouken@1924
   849
int
slouken@1928
   850
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
   851
{
slouken@1956
   852
    char *title = window->title;
slouken@1956
   853
slouken@1928
   854
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1924
   855
        SDL_SetError("No OpenGL support in video driver");
slouken@1924
   856
        return -1;
slouken@1924
   857
    }
slouken@1956
   858
slouken@1924
   859
    if (_this->DestroyWindow) {
slouken@1924
   860
        _this->DestroyWindow(_this, window);
slouken@1924
   861
    }
slouken@1956
   862
slouken@1956
   863
    window->title = NULL;
slouken@1956
   864
    window->flags =
slouken@1956
   865
        (flags &
slouken@1956
   866
         ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED | SDL_WINDOW_SHOWN |
slouken@1956
   867
           SDL_WINDOW_INPUT_GRABBED));
slouken@1956
   868
slouken@1956
   869
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@1956
   870
        return -1;
slouken@1956
   871
    }
slouken@1956
   872
slouken@1956
   873
    if (title) {
slouken@1956
   874
        SDL_SetWindowTitle(window->id, title);
slouken@1956
   875
        SDL_free(title);
slouken@1956
   876
    }
slouken@1956
   877
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   878
        SDL_MaximizeWindow(window->id);
slouken@1956
   879
    }
slouken@1956
   880
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   881
        SDL_MinimizeWindow(window->id);
slouken@1956
   882
    }
slouken@1956
   883
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   884
        SDL_ShowWindow(window->id);
slouken@1956
   885
    }
slouken@1956
   886
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   887
        SDL_SetWindowGrab(window->id, 1);
slouken@1956
   888
    }
slouken@1956
   889
    return 0;
slouken@1924
   890
}
slouken@1924
   891
slouken@1895
   892
SDL_Window *
slouken@1895
   893
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   894
{
slouken@1895
   895
    int i, j;
slouken@1895
   896
slouken@1895
   897
    if (!_this) {
slouken@1912
   898
        SDL_UninitializedVideo();
slouken@1895
   899
        return NULL;
slouken@1895
   900
    }
slouken@1895
   901
slouken@1895
   902
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   903
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   904
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   905
            SDL_Window *window = &display->windows[j];
slouken@1895
   906
            if (window->id == windowID) {
slouken@1895
   907
                return window;
slouken@1895
   908
            }
slouken@1895
   909
        }
slouken@1895
   910
    }
slouken@1895
   911
    return NULL;
slouken@1895
   912
}
slouken@1895
   913
slouken@1895
   914
SDL_VideoDisplay *
slouken@1895
   915
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   916
{
slouken@1895
   917
    if (!_this) {
slouken@1912
   918
        SDL_UninitializedVideo();
slouken@1895
   919
        return NULL;
slouken@1895
   920
    }
slouken@1956
   921
    if (!window) {
slouken@1956
   922
        return NULL;
slouken@1956
   923
    }
slouken@1895
   924
    return &_this->displays[window->display];
slouken@1895
   925
}
slouken@1895
   926
slouken@1895
   927
Uint32
slouken@1895
   928
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   929
{
slouken@1895
   930
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   931
slouken@1895
   932
    if (!window) {
slouken@1895
   933
        return 0;
slouken@1895
   934
    }
slouken@1895
   935
    return window->flags;
slouken@1895
   936
}
slouken@1895
   937
slouken@1895
   938
void
slouken@1895
   939
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   940
{
slouken@1895
   941
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   942
    const char *last_title;
slouken@1895
   943
slouken@1956
   944
    if (!window || title == window->title) {
slouken@1895
   945
        return;
slouken@1895
   946
    }
slouken@1956
   947
slouken@1895
   948
    if (window->title) {
slouken@1895
   949
        SDL_free(window->title);
slouken@1895
   950
    }
slouken@1956
   951
    if (title) {
slouken@1956
   952
        window->title = SDL_strdup(title);
slouken@1956
   953
    } else {
slouken@1956
   954
        window->title = NULL;
slouken@1956
   955
    }
slouken@1895
   956
slouken@1895
   957
    if (_this->SetWindowTitle) {
slouken@1895
   958
        _this->SetWindowTitle(_this, window);
slouken@1895
   959
    }
slouken@1895
   960
}
slouken@1895
   961
slouken@1895
   962
const char *
slouken@1895
   963
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   964
{
slouken@1895
   965
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   966
slouken@1895
   967
    if (!window) {
slouken@1895
   968
        return NULL;
slouken@1895
   969
    }
slouken@1895
   970
    return window->title;
slouken@1895
   971
}
slouken@1895
   972
slouken@1895
   973
void
slouken@1895
   974
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@1895
   975
{
slouken@1895
   976
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   977
slouken@1895
   978
    if (!window) {
slouken@1895
   979
        return;
slouken@1895
   980
    }
slouken@1895
   981
    window->userdata = userdata;
slouken@1895
   982
}
slouken@1895
   983
slouken@1895
   984
void *
slouken@1895
   985
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   986
{
slouken@1895
   987
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   988
slouken@1895
   989
    if (!window) {
slouken@1895
   990
        return NULL;
slouken@1895
   991
    }
slouken@1895
   992
    return window->userdata;
slouken@1895
   993
}
slouken@1895
   994
slouken@1895
   995
void
slouken@1895
   996
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
   997
{
slouken@1895
   998
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   999
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1000
slouken@1895
  1001
    if (!window) {
slouken@1895
  1002
        return;
slouken@1895
  1003
    }
slouken@1895
  1004
slouken@1956
  1005
    if (x == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1006
        window->x = (display->current_mode.w - window->w) / 2;
slouken@1956
  1007
    } else if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1008
        window->x = x;
slouken@1895
  1009
    }
slouken@1956
  1010
    if (y == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1011
        window->y = (display->current_mode.h - window->h) / 2;
slouken@1956
  1012
    } else if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1013
        window->y = y;
slouken@1895
  1014
    }
slouken@1895
  1015
slouken@1895
  1016
    if (_this->SetWindowPosition) {
slouken@1895
  1017
        _this->SetWindowPosition(_this, window);
slouken@1895
  1018
    }
slouken@1895
  1019
}
slouken@1895
  1020
slouken@1895
  1021
void
slouken@1895
  1022
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
  1023
{
slouken@1895
  1024
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1025
slouken@1895
  1026
    if (!window) {
slouken@1895
  1027
        return;
slouken@1895
  1028
    }
slouken@1895
  1029
    if (x) {
slouken@1895
  1030
        *x = window->x;
slouken@1895
  1031
    }
slouken@1895
  1032
    if (y) {
slouken@1895
  1033
        *y = window->y;
slouken@1895
  1034
    }
slouken@1895
  1035
}
slouken@1895
  1036
slouken@1895
  1037
void
slouken@1895
  1038
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
  1039
{
slouken@1895
  1040
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1041
slouken@1895
  1042
    if (!window) {
slouken@1895
  1043
        return;
slouken@1895
  1044
    }
slouken@1895
  1045
slouken@1895
  1046
    window->w = w;
slouken@1895
  1047
    window->h = h;
slouken@1895
  1048
slouken@1895
  1049
    if (_this->SetWindowSize) {
slouken@1895
  1050
        _this->SetWindowSize(_this, window);
slouken@1895
  1051
    }
slouken@1895
  1052
}
slouken@1895
  1053
slouken@1895
  1054
void
slouken@1895
  1055
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
  1056
{
slouken@1895
  1057
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1058
slouken@1895
  1059
    if (!window) {
slouken@1895
  1060
        return;
slouken@1895
  1061
    }
slouken@1895
  1062
    if (w) {
slouken@1895
  1063
        *w = window->w;
slouken@1895
  1064
    }
slouken@1895
  1065
    if (h) {
slouken@1895
  1066
        *h = window->h;
slouken@1895
  1067
    }
slouken@1895
  1068
}
slouken@1895
  1069
slouken@1895
  1070
void
slouken@1895
  1071
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
  1072
{
slouken@1895
  1073
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1074
slouken@1895
  1075
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1076
        return;
slouken@1895
  1077
    }
slouken@1895
  1078
slouken@1895
  1079
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1080
slouken@1895
  1081
    if (_this->ShowWindow) {
slouken@1895
  1082
        _this->ShowWindow(_this, window);
slouken@1895
  1083
    }
slouken@1895
  1084
}
slouken@1895
  1085
slouken@1895
  1086
void
slouken@1895
  1087
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1088
{
slouken@1895
  1089
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1090
slouken@1895
  1091
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1092
        return;
slouken@1895
  1093
    }
slouken@1895
  1094
slouken@1895
  1095
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1096
slouken@1895
  1097
    if (_this->HideWindow) {
slouken@1895
  1098
        _this->HideWindow(_this, window);
slouken@1895
  1099
    }
slouken@1895
  1100
}
slouken@1895
  1101
slouken@1895
  1102
void
slouken@1895
  1103
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1104
{
slouken@1895
  1105
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1106
slouken@1956
  1107
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1108
        return;
slouken@1895
  1109
    }
slouken@1895
  1110
slouken@1895
  1111
    if (_this->RaiseWindow) {
slouken@1895
  1112
        _this->RaiseWindow(_this, window);
slouken@1895
  1113
    }
slouken@1895
  1114
}
slouken@1895
  1115
slouken@1895
  1116
void
slouken@1895
  1117
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1118
{
slouken@1895
  1119
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1120
slouken@1895
  1121
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1122
        return;
slouken@1895
  1123
    }
slouken@1895
  1124
slouken@1895
  1125
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1126
slouken@1895
  1127
    if (_this->MaximizeWindow) {
slouken@1895
  1128
        _this->MaximizeWindow(_this, window);
slouken@1895
  1129
    }
slouken@1895
  1130
}
slouken@1895
  1131
slouken@1895
  1132
void
slouken@1895
  1133
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1134
{
slouken@1895
  1135
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1136
slouken@1895
  1137
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1138
        return;
slouken@1895
  1139
    }
slouken@1895
  1140
slouken@1895
  1141
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1142
slouken@1895
  1143
    if (_this->MinimizeWindow) {
slouken@1895
  1144
        _this->MinimizeWindow(_this, window);
slouken@1895
  1145
    }
slouken@1895
  1146
}
slouken@1895
  1147
slouken@1895
  1148
void
slouken@1895
  1149
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1150
{
slouken@1895
  1151
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1152
slouken@1895
  1153
    if (!window
slouken@1895
  1154
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1155
        return;
slouken@1895
  1156
    }
slouken@1895
  1157
slouken@1895
  1158
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1159
slouken@1895
  1160
    if (_this->RestoreWindow) {
slouken@1895
  1161
        _this->RestoreWindow(_this, window);
slouken@1895
  1162
    }
slouken@1895
  1163
}
slouken@1895
  1164
slouken@1895
  1165
int
slouken@1895
  1166
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@1895
  1167
{
slouken@1895
  1168
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1169
slouken@1895
  1170
    if (!window) {
slouken@1895
  1171
        return -1;
slouken@1895
  1172
    }
slouken@1895
  1173
slouken@1895
  1174
    if (fullscreen) {
slouken@1895
  1175
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1176
    }
slouken@1895
  1177
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1178
        return 0;
slouken@1895
  1179
    }
slouken@1895
  1180
slouken@1895
  1181
    if (fullscreen) {
slouken@1895
  1182
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1183
slouken@1895
  1184
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1185
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1186
slouken@1895
  1187
            /* Hide any other fullscreen windows */
slouken@1895
  1188
            int i;
slouken@1895
  1189
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1190
                SDL_Window *other = &display->windows[i];
slouken@1895
  1191
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1192
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1193
                }
slouken@1895
  1194
            }
slouken@1895
  1195
slouken@1970
  1196
            SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1197
        }
slouken@1895
  1198
    } else {
slouken@1895
  1199
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1200
slouken@1895
  1201
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1202
            SDL_SetDisplayMode(NULL);
slouken@1895
  1203
        }
slouken@1895
  1204
    }
slouken@1895
  1205
    return 0;
slouken@1895
  1206
}
slouken@1895
  1207
slouken@1895
  1208
void
slouken@1895
  1209
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1210
{
slouken@1895
  1211
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1212
slouken@1895
  1213
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1214
        return;
slouken@1895
  1215
    }
slouken@1895
  1216
slouken@1895
  1217
    if (mode) {
slouken@1895
  1218
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1219
    } else {
slouken@1895
  1220
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1221
    }
slouken@1895
  1222
slouken@1895
  1223
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1224
        _this->SetWindowGrab(_this, window);
slouken@1895
  1225
    }
slouken@1895
  1226
}
slouken@1895
  1227
slouken@1895
  1228
int
slouken@1895
  1229
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1230
{
slouken@1895
  1231
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1232
slouken@1895
  1233
    if (!window) {
slouken@1895
  1234
        return 0;
slouken@1895
  1235
    }
slouken@1895
  1236
slouken@1895
  1237
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1238
}
slouken@1895
  1239
slouken@1895
  1240
void
slouken@1895
  1241
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1242
{
slouken@1895
  1243
}
slouken@1895
  1244
slouken@1895
  1245
void
slouken@1895
  1246
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1247
{
slouken@1895
  1248
}
slouken@1895
  1249
slouken@1895
  1250
void
slouken@1970
  1251
SDL_OnWindowResized(SDL_Window * window)
slouken@1970
  1252
{
slouken@1970
  1253
    SDL_Renderer *renderer = window->renderer;
slouken@1970
  1254
slouken@1970
  1255
    if (renderer && renderer->DisplayModeChanged) {
slouken@1970
  1256
        renderer->DisplayModeChanged(renderer);
slouken@1970
  1257
    }
slouken@1970
  1258
}
slouken@1970
  1259
slouken@1970
  1260
void
slouken@1895
  1261
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1262
{
slouken@1895
  1263
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1264
slouken@1895
  1265
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
  1266
        SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1267
    }
slouken@1895
  1268
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1269
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1270
    }
slouken@1895
  1271
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1272
        _this->SetWindowGrab(_this, window);
slouken@1895
  1273
    }
slouken@1895
  1274
}
slouken@1895
  1275
slouken@1895
  1276
void
slouken@1895
  1277
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1278
{
slouken@1895
  1279
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1280
slouken@1895
  1281
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1282
        SDL_MinimizeWindow(window->id);
slouken@1895
  1283
        SDL_SetDisplayMode(NULL);
slouken@1895
  1284
    }
slouken@1895
  1285
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1286
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1287
    }
slouken@1895
  1288
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1289
        _this->SetWindowGrab(_this, window);
slouken@1895
  1290
    }
slouken@1895
  1291
}
slouken@1895
  1292
slouken@1895
  1293
SDL_WindowID
slouken@1895
  1294
SDL_GetFocusWindow(void)
slouken@1895
  1295
{
slouken@1895
  1296
    SDL_VideoDisplay *display;
slouken@1895
  1297
    int i;
slouken@1895
  1298
slouken@1895
  1299
    if (!_this) {
slouken@1895
  1300
        return 0;
slouken@1895
  1301
    }
slouken@1895
  1302
slouken@1895
  1303
    display = &SDL_CurrentDisplay;
slouken@1895
  1304
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1305
        SDL_Window *window = &display->windows[i];
slouken@1895
  1306
slouken@1895
  1307
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1308
            return window->id;
slouken@1895
  1309
        }
slouken@1895
  1310
    }
slouken@1895
  1311
    return 0;
slouken@1895
  1312
}
slouken@1895
  1313
slouken@1895
  1314
void
slouken@1895
  1315
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1316
{
slouken@1895
  1317
    int i, j;
slouken@1895
  1318
slouken@1895
  1319
    if (!_this) {
slouken@1895
  1320
        return;
slouken@1895
  1321
    }
slouken@1895
  1322
slouken@1895
  1323
    /* Restore video mode, etc. */
slouken@1895
  1324
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@1895
  1325
slouken@1895
  1326
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1327
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1328
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1329
            SDL_Window *window = &display->windows[j];
slouken@1895
  1330
            if (window->id != windowID) {
slouken@1895
  1331
                continue;
slouken@1895
  1332
            }
slouken@1895
  1333
            if (window->renderer) {
slouken@1895
  1334
                SDL_DestroyRenderer(window->id);
slouken@1895
  1335
            }
slouken@1895
  1336
            if (_this->DestroyWindow) {
slouken@1895
  1337
                _this->DestroyWindow(_this, window);
slouken@1895
  1338
            }
slouken@1895
  1339
            if (window->title) {
slouken@1895
  1340
                SDL_free(window->title);
slouken@1895
  1341
            }
slouken@1895
  1342
            if (j != display->num_windows - 1) {
slouken@1895
  1343
                SDL_memcpy(&display->windows[i],
slouken@1895
  1344
                           &display->windows[i + 1],
slouken@1895
  1345
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1346
            }
slouken@1895
  1347
            --display->num_windows;
slouken@1895
  1348
            return;
slouken@1895
  1349
        }
slouken@1895
  1350
    }
slouken@1895
  1351
}
slouken@1895
  1352
slouken@1895
  1353
void
slouken@1895
  1354
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1355
{
slouken@2119
  1356
    SDL_VideoDisplay *display;
slouken@1895
  1357
    SDL_RenderDriver *render_drivers;
slouken@1895
  1358
slouken@2119
  1359
    if (displayIndex >= _this->num_displays) {
slouken@2119
  1360
        return;
slouken@2119
  1361
    }
slouken@2119
  1362
    display = &_this->displays[displayIndex];
slouken@2119
  1363
slouken@1895
  1364
    render_drivers =
slouken@1895
  1365
        SDL_realloc(display->render_drivers,
slouken@1895
  1366
                    (display->num_render_drivers +
slouken@1895
  1367
                     1) * sizeof(*render_drivers));
slouken@1895
  1368
    if (render_drivers) {
slouken@1895
  1369
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1370
        display->render_drivers = render_drivers;
slouken@1895
  1371
        display->num_render_drivers++;
slouken@1895
  1372
    }
slouken@1895
  1373
}
slouken@1895
  1374
slouken@1895
  1375
int
slouken@1969
  1376
SDL_GetNumRenderDrivers(void)
slouken@1895
  1377
{
slouken@1895
  1378
    if (_this) {
slouken@1895
  1379
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1380
    }
slouken@1895
  1381
    return 0;
slouken@1895
  1382
}
slouken@1895
  1383
slouken@1895
  1384
int
slouken@1969
  1385
SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1386
{
slouken@1907
  1387
    if (!_this) {
slouken@1912
  1388
        SDL_UninitializedVideo();
slouken@1907
  1389
        return -1;
slouken@1907
  1390
    }
slouken@1907
  1391
slouken@1969
  1392
    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1393
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1969
  1394
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1395
        return -1;
slouken@1895
  1396
    }
slouken@1969
  1397
    *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1895
  1398
    return 0;
slouken@1895
  1399
}
slouken@1895
  1400
slouken@1895
  1401
int
slouken@1895
  1402
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@1895
  1403
{
slouken@1895
  1404
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1405
slouken@1895
  1406
    if (!window) {
slouken@1895
  1407
        return 0;
slouken@1895
  1408
    }
slouken@1895
  1409
slouken@1895
  1410
    if (index < 0) {
slouken@1905
  1411
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1969
  1412
        int n = SDL_GetNumRenderDrivers();
slouken@1895
  1413
        for (index = 0; index < n; ++index) {
slouken@1895
  1414
            SDL_RenderDriver *driver =
slouken@1895
  1415
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1416
slouken@1905
  1417
            if (override) {
slouken@1905
  1418
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1419
                    break;
slouken@1905
  1420
                }
slouken@1905
  1421
            } else {
slouken@1905
  1422
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1423
                    break;
slouken@1905
  1424
                }
slouken@1895
  1425
            }
slouken@1895
  1426
        }
slouken@1895
  1427
        if (index == n) {
slouken@1895
  1428
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1429
            return -1;
slouken@1895
  1430
        }
slouken@1895
  1431
    }
slouken@1895
  1432
slouken@1969
  1433
    if (index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1434
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1969
  1435
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1436
        return -1;
slouken@1895
  1437
    }
slouken@1895
  1438
slouken@1895
  1439
    /* Free any existing renderer */
slouken@1895
  1440
    SDL_DestroyRenderer(windowID);
slouken@1895
  1441
slouken@1895
  1442
    /* Create a new renderer instance */
slouken@1895
  1443
    window->renderer =
slouken@1895
  1444
        SDL_CurrentDisplay.render_drivers[index].CreateRenderer(window,
slouken@1895
  1445
                                                                flags);
slouken@1923
  1446
    SDL_SelectRenderer(window->id);
slouken@1895
  1447
slouken@1895
  1448
    return 0;
slouken@1895
  1449
}
slouken@1895
  1450
slouken@1895
  1451
int
slouken@1895
  1452
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1453
{
slouken@1895
  1454
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1923
  1455
    SDL_Renderer *renderer;
slouken@1895
  1456
slouken@1895
  1457
    if (!window || !window->renderer) {
slouken@1895
  1458
        return -1;
slouken@1895
  1459
    }
slouken@1923
  1460
    renderer = window->renderer;
slouken@1923
  1461
    if (renderer && renderer->ActivateRenderer) {
slouken@1923
  1462
        if (renderer->ActivateRenderer(renderer) < 0) {
slouken@1923
  1463
            return -1;
slouken@1923
  1464
        }
slouken@1923
  1465
    }
slouken@1923
  1466
    SDL_CurrentDisplay.current_renderer = renderer;
slouken@1895
  1467
    return 0;
slouken@1895
  1468
}
slouken@1895
  1469
slouken@1969
  1470
int
slouken@1969
  1471
SDL_GetRendererInfo(SDL_RendererInfo * info)
slouken@1969
  1472
{
slouken@1969
  1473
    if (!_this) {
slouken@1969
  1474
        SDL_UninitializedVideo();
slouken@1969
  1475
        return -1;
slouken@1969
  1476
    }
slouken@1969
  1477
slouken@1969
  1478
    if (!SDL_CurrentDisplay.current_renderer) {
slouken@1969
  1479
        SDL_SetError("There is no current renderer");
slouken@1969
  1480
        return -1;
slouken@1969
  1481
    }
slouken@1969
  1482
    *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1969
  1483
    return 0;
slouken@1969
  1484
}
slouken@1969
  1485
slouken@1895
  1486
SDL_TextureID
slouken@1895
  1487
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1488
{
slouken@1895
  1489
    int hash;
slouken@1895
  1490
    SDL_Renderer *renderer;
slouken@1895
  1491
    SDL_Texture *texture;
slouken@1895
  1492
slouken@1895
  1493
    if (!_this) {
slouken@1912
  1494
        SDL_UninitializedVideo();
slouken@1895
  1495
        return 0;
slouken@1895
  1496
    }
slouken@1895
  1497
slouken@1895
  1498
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1499
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1500
        return 0;
slouken@1895
  1501
    }
slouken@1895
  1502
slouken@1920
  1503
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
slouken@1895
  1504
    if (!texture) {
slouken@1895
  1505
        SDL_OutOfMemory();
slouken@1895
  1506
        return 0;
slouken@1895
  1507
    }
slouken@1895
  1508
slouken@1895
  1509
    texture->id = _this->next_object_id++;
slouken@1895
  1510
    texture->format = format;
slouken@1895
  1511
    texture->access = access;
slouken@1895
  1512
    texture->w = w;
slouken@1895
  1513
    texture->h = h;
slouken@1985
  1514
    texture->r = 255;
slouken@1985
  1515
    texture->g = 255;
slouken@1985
  1516
    texture->b = 255;
slouken@1985
  1517
    texture->a = 255;
slouken@1895
  1518
    texture->renderer = renderer;
slouken@1895
  1519
slouken@1895
  1520
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1924
  1521
        if (renderer->DestroyTexture) {
slouken@1924
  1522
            renderer->DestroyTexture(renderer, texture);
slouken@1924
  1523
        }
slouken@1895
  1524
        SDL_free(texture);
slouken@1895
  1525
        return 0;
slouken@1895
  1526
    }
slouken@1895
  1527
slouken@1895
  1528
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1529
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1530
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1531
slouken@1895
  1532
    return texture->id;
slouken@1895
  1533
}
slouken@1895
  1534
slouken@1895
  1535
SDL_TextureID
slouken@1895
  1536
SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface * surface)
slouken@1895
  1537
{
slouken@1895
  1538
    SDL_TextureID textureID;
slouken@1895
  1539
    Uint32 surface_flags = surface->flags;
slouken@1895
  1540
    SDL_PixelFormat *fmt = surface->format;
slouken@1895
  1541
    Uint8 alpha;
slouken@1895
  1542
    SDL_Rect bounds;
slouken@1895
  1543
    SDL_Surface dst;
slouken@1895
  1544
    int bpp;
slouken@1895
  1545
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1546
slouken@1895
  1547
    if (!surface) {
slouken@1895
  1548
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1549
        return 0;
slouken@1895
  1550
    }
slouken@1895
  1551
slouken@1895
  1552
    if (format) {
slouken@1895
  1553
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1554
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1555
            SDL_SetError("Unknown pixel format");
slouken@1895
  1556
            return 0;
slouken@1895
  1557
        }
slouken@1895
  1558
    } else {
slouken@1895
  1559
        if (fmt->Amask || !(surface_flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA))) {
slouken@1895
  1560
            bpp = fmt->BitsPerPixel;
slouken@1895
  1561
            Rmask = fmt->Rmask;
slouken@1895
  1562
            Gmask = fmt->Gmask;
slouken@1895
  1563
            Bmask = fmt->Bmask;
slouken@1895
  1564
            Amask = fmt->Amask;
slouken@1895
  1565
        } else {
slouken@1895
  1566
            /* Need a format with alpha */
slouken@1895
  1567
            bpp = 32;
slouken@1895
  1568
            Rmask = 0x00FF0000;
slouken@1895
  1569
            Gmask = 0x0000FF00;
slouken@1895
  1570
            Bmask = 0x000000FF;
slouken@1895
  1571
            Amask = 0xFF000000;
slouken@1895
  1572
        }
slouken@1895
  1573
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1574
        if (!format) {
slouken@1895
  1575
            SDL_SetError("Unknown pixel format");
slouken@1895
  1576
            return 0;
slouken@1895
  1577
        }
slouken@1895
  1578
    }
slouken@1895
  1579
slouken@1895
  1580
    textureID = SDL_CreateTexture(format, access, surface->w, surface->h);
slouken@1895
  1581
    if (!textureID) {
slouken@1895
  1582
        return 0;
slouken@1895
  1583
    }
slouken@1895
  1584
slouken@1895
  1585
    /* Set up a destination surface for the texture update */
slouken@1895
  1586
    SDL_zero(dst);
slouken@1895
  1587
    dst.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1588
    if (!dst.format) {
slouken@1895
  1589
        SDL_DestroyTexture(textureID);
slouken@1895
  1590
        return 0;
slouken@1895
  1591
    }
slouken@1895
  1592
    dst.w = surface->w;
slouken@1895
  1593
    dst.h = surface->h;
slouken@1895
  1594
    if (SDL_LockTexture(textureID, NULL, 1, &dst.pixels, &dst.pitch) == 0) {
slouken@1895
  1595
        dst.flags |= SDL_PREALLOC;
slouken@1895
  1596
    } else {
slouken@1895
  1597
        dst.pitch = SDL_CalculatePitch(&dst);
slouken@1895
  1598
        dst.pixels = SDL_malloc(dst.h * dst.pitch);
slouken@1895
  1599
        if (!dst.pixels) {
slouken@1895
  1600
            SDL_DestroyTexture(textureID);
slouken@1895
  1601
            SDL_FreeFormat(dst.format);
slouken@1895
  1602
            SDL_OutOfMemory();
slouken@1895
  1603
            return 0;
slouken@1895
  1604
        }
slouken@1895
  1605
    }
slouken@1895
  1606
slouken@1895
  1607
    /* Copy the palette if any */
slouken@1895
  1608
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@1895
  1609
        if (fmt->palette) {
slouken@1895
  1610
            SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@1895
  1611
                                  fmt->palette->ncolors);
slouken@1895
  1612
            SDL_SetSurfacePalette(&dst, fmt->palette);
slouken@1895
  1613
        } else {
slouken@1895
  1614
            dst.format->palette =
slouken@1895
  1615
                SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@1895
  1616
            if (!dst.format->palette) {
slouken@1895
  1617
                SDL_DestroyTexture(textureID);
slouken@1895
  1618
                SDL_FreeFormat(dst.format);
slouken@1895
  1619
                return 0;
slouken@1895
  1620
            }
slouken@1895
  1621
            SDL_DitherColors(dst.format->palette->colors,
slouken@1895
  1622
                             SDL_BITSPERPIXEL(format));
slouken@1895
  1623
        }
slouken@1895
  1624
    }
slouken@1895
  1625
slouken@1895
  1626
    /* Make the texture transparent if the surface has colorkey */
slouken@1895
  1627
    if (surface_flags & SDL_SRCCOLORKEY) {
slouken@1895
  1628
        int row;
slouken@1895
  1629
        int length = dst.w * dst.format->BytesPerPixel;
slouken@1895
  1630
        Uint8 *p = (Uint8 *) dst.pixels;
slouken@1895
  1631
        for (row = 0; row < dst.h; ++row) {
slouken@1895
  1632
            SDL_memset(p, 0, length);
slouken@1895
  1633
            p += dst.pitch;
slouken@1895
  1634
        }
slouken@1895
  1635
    }
slouken@1895
  1636
slouken@1895
  1637
    /* Copy over the alpha channel */
slouken@1895
  1638
    if (surface_flags & SDL_SRCALPHA) {
slouken@1895
  1639
        if (fmt->Amask) {
slouken@1895
  1640
            surface->flags &= ~SDL_SRCALPHA;
slouken@1895
  1641
        } else {
slouken@1895
  1642
            /* FIXME: Need to make sure the texture has an alpha channel
slouken@1895
  1643
             *        and copy 'alpha' into the texture alpha channel.
slouken@1895
  1644
             */
slouken@1895
  1645
            alpha = surface->format->alpha;
slouken@1895
  1646
            SDL_SetAlpha(surface, 0, 0);
slouken@1895
  1647
        }
slouken@1895
  1648
    }
slouken@1895
  1649
slouken@1895
  1650
    /* Copy over the image data */
slouken@1895
  1651
    bounds.x = 0;
slouken@1895
  1652
    bounds.y = 0;
slouken@1895
  1653
    bounds.w = surface->w;
slouken@1895
  1654
    bounds.h = surface->h;
slouken@1895
  1655
    SDL_LowerBlit(surface, &bounds, &dst, &bounds);
slouken@1895
  1656
slouken@1895
  1657
    /* Clean up the original surface */
slouken@1895
  1658
    if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
slouken@1895
  1659
        Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
slouken@1895
  1660
        if (fmt->Amask) {
slouken@1895
  1661
            surface->flags |= SDL_SRCALPHA;
slouken@1895
  1662
        } else {
slouken@1895
  1663
            SDL_SetAlpha(surface, aflags, alpha);
slouken@1895
  1664
        }
slouken@1895
  1665
    }
slouken@1895
  1666
slouken@1895
  1667
    /* Update the texture */
slouken@1895
  1668
    if (dst.flags & SDL_PREALLOC) {
slouken@1895
  1669
        SDL_UnlockTexture(textureID);
slouken@1895
  1670
    } else {
slouken@1895
  1671
        SDL_UpdateTexture(textureID, NULL, dst.pixels, dst.pitch);
slouken@1895
  1672
        SDL_free(dst.pixels);
slouken@1895
  1673
    }
slouken@1895
  1674
    SDL_FreeFormat(dst.format);
slouken@1895
  1675
slouken@1895
  1676
    return textureID;
slouken@1895
  1677
}
slouken@1895
  1678
slouken@1895
  1679
static __inline__ SDL_Texture *
slouken@1895
  1680
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1681
{
slouken@1895
  1682
    int hash;
slouken@1895
  1683
    SDL_Texture *texture;
slouken@1895
  1684
slouken@1895
  1685
    if (!_this) {
slouken@1895
  1686
        return NULL;
slouken@1895
  1687
    }
slouken@1895
  1688
slouken@1895
  1689
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1690
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1691
         texture = texture->next) {
slouken@1895
  1692
        if (texture->id == textureID) {
slouken@1895
  1693
            return texture;
slouken@1895
  1694
        }
slouken@1895
  1695
    }
slouken@1895
  1696
    return NULL;
slouken@1895
  1697
}
slouken@1895
  1698
slouken@1895
  1699
int
slouken@1895
  1700
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1701
                 int *w, int *h)
slouken@1895
  1702
{
slouken@1895
  1703
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1704
slouken@1895
  1705
    if (!texture) {
slouken@1895
  1706
        return -1;
slouken@1895
  1707
    }
slouken@1895
  1708
slouken@1895
  1709
    if (format) {
slouken@1895
  1710
        *format = texture->format;
slouken@1895
  1711
    }
slouken@1895
  1712
    if (access) {
slouken@1895
  1713
        *access = texture->access;
slouken@1895
  1714
    }
slouken@1895
  1715
    if (w) {
slouken@1895
  1716
        *w = texture->w;
slouken@1895
  1717
    }
slouken@1895
  1718
    if (h) {
slouken@1895
  1719
        *h = texture->h;
slouken@1895
  1720
    }
slouken@1895
  1721
    return 0;
slouken@1895
  1722
}
slouken@1895
  1723
slouken@1895
  1724
int
slouken@1895
  1725
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@1895
  1726
{
slouken@1895
  1727
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1728
    SDL_Renderer *renderer;
slouken@1895
  1729
slouken@1895
  1730
    if (!texture) {
slouken@1895
  1731
        return -1;
slouken@1895
  1732
    }
slouken@1895
  1733
slouken@1895
  1734
    renderer = texture->renderer;
slouken@1895
  1735
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1736
        return -1;
slouken@1895
  1737
    }
slouken@1895
  1738
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1739
}
slouken@1895
  1740
slouken@1895
  1741
int
slouken@1895
  1742
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1743
                      int firstcolor, int ncolors)
slouken@1895
  1744
{
slouken@1895
  1745
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1746
    SDL_Renderer *renderer;
slouken@1895
  1747
slouken@1895
  1748
    if (!texture) {
slouken@1895
  1749
        return -1;
slouken@1895
  1750
    }
slouken@1895
  1751
slouken@1895
  1752
    renderer = texture->renderer;
slouken@1895
  1753
    if (!renderer->SetTexturePalette) {
slouken@1895
  1754
        return -1;
slouken@1895
  1755
    }
slouken@1895
  1756
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1757
                                       ncolors);
slouken@1895
  1758
}
slouken@1895
  1759
slouken@1895
  1760
int
slouken@1895
  1761
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1762
                      int firstcolor, int ncolors)
slouken@1895
  1763
{
slouken@1895
  1764
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1765
    SDL_Renderer *renderer;
slouken@1895
  1766
slouken@1895
  1767
    if (!texture) {
slouken@1895
  1768
        return -1;
slouken@1895
  1769
    }
slouken@1895
  1770
slouken@1895
  1771
    renderer = texture->renderer;
slouken@1895
  1772
    if (!renderer->GetTexturePalette) {
slouken@1895
  1773
        return -1;
slouken@1895
  1774
    }
slouken@1895
  1775
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1776
                                       ncolors);
slouken@1895
  1777
}
slouken@1895
  1778
slouken@1895
  1779
int
slouken@1985
  1780
SDL_SetTextureColorMod(SDL_TextureID textureID, Uint8 r, Uint8 g, Uint8 b)
slouken@1985
  1781
{
slouken@1985
  1782
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1783
    SDL_Renderer *renderer;
slouken@1985
  1784
slouken@1985
  1785
    if (!texture) {
slouken@1985
  1786
        return -1;
slouken@1985
  1787
    }
slouken@1985
  1788
slouken@1985
  1789
    renderer = texture->renderer;
slouken@1985
  1790
    if (!renderer->SetTextureColorMod) {
slouken@1985
  1791
        return -1;
slouken@1985
  1792
    }
icculus@2075
  1793
    if (r < 255 || g < 255 || b < 255) {
slouken@1985
  1794
        texture->modMode |= SDL_TEXTUREMODULATE_COLOR;
slouken@1985
  1795
    } else {
slouken@1985
  1796
        texture->modMode &= ~SDL_TEXTUREMODULATE_COLOR;
slouken@1985
  1797
    }
slouken@1985
  1798
    texture->r = r;
slouken@1985
  1799
    texture->g = g;
slouken@1985
  1800
    texture->b = b;
slouken@1985
  1801
    return renderer->SetTextureColorMod(renderer, texture);
slouken@1985
  1802
}
slouken@1985
  1803
slouken@1985
  1804
int
slouken@1985
  1805
SDL_GetTextureColorMod(SDL_TextureID textureID, Uint8 * r, Uint8 * g,
slouken@1985
  1806
                       Uint8 * b)
slouken@1985
  1807
{
slouken@1985
  1808
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1809
    SDL_Renderer *renderer;
slouken@1985
  1810
slouken@1985
  1811
    if (!texture) {
slouken@1985
  1812
        return -1;
slouken@1985
  1813
    }
slouken@1985
  1814
slouken@1985
  1815
    renderer = texture->renderer;
slouken@1985
  1816
    if (r) {
slouken@1985
  1817
        *r = texture->r;
slouken@1985
  1818
    }
slouken@1985
  1819
    if (g) {
slouken@1985
  1820
        *g = texture->g;
slouken@1985
  1821
    }
slouken@1985
  1822
    if (b) {
slouken@1985
  1823
        *b = texture->b;
slouken@1985
  1824
    }
slouken@1985
  1825
    return 0;
slouken@1985
  1826
}
slouken@1985
  1827
slouken@1985
  1828
int
slouken@1985
  1829
SDL_SetTextureAlphaMod(SDL_TextureID textureID, Uint8 alpha)
slouken@1985
  1830
{
slouken@1985
  1831
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1832
    SDL_Renderer *renderer;
slouken@1985
  1833
slouken@1985
  1834
    if (!texture) {
slouken@1985
  1835
        return -1;
slouken@1985
  1836
    }
slouken@1985
  1837
slouken@1985
  1838
    renderer = texture->renderer;
slouken@1985
  1839
    if (!renderer->SetTextureAlphaMod) {
slouken@1985
  1840
        return -1;
slouken@1985
  1841
    }
slouken@1985
  1842
    if (alpha < 255) {
slouken@1985
  1843
        texture->modMode |= SDL_TEXTUREMODULATE_ALPHA;
slouken@1985
  1844
    } else {
slouken@1985
  1845
        texture->modMode &= ~SDL_TEXTUREMODULATE_ALPHA;
slouken@1985
  1846
    }
slouken@1985
  1847
    texture->a = alpha;
slouken@1985
  1848
    return renderer->SetTextureAlphaMod(renderer, texture);
slouken@1985
  1849
}
slouken@1985
  1850
slouken@1985
  1851
int
slouken@1985
  1852
SDL_GetTextureAlphaMod(SDL_TextureID textureID, Uint8 * alpha)
slouken@1985
  1853
{
slouken@1985
  1854
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1855
    SDL_Renderer *renderer;
slouken@1985
  1856
slouken@1985
  1857
    if (!texture) {
slouken@1985
  1858
        return -1;
slouken@1985
  1859
    }
slouken@1985
  1860
slouken@1985
  1861
    if (alpha) {
slouken@1985
  1862
        *alpha = texture->a;
slouken@1985
  1863
    }
slouken@1985
  1864
    return 0;
slouken@1985
  1865
}
slouken@1985
  1866
slouken@1985
  1867
int
slouken@1985
  1868
SDL_SetTextureBlendMode(SDL_TextureID textureID, int blendMode)
slouken@1985
  1869
{
slouken@1985
  1870
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1871
    SDL_Renderer *renderer;
slouken@1985
  1872
slouken@1985
  1873
    if (!texture) {
slouken@1985
  1874
        return -1;
slouken@1985
  1875
    }
slouken@1985
  1876
slouken@1985
  1877
    renderer = texture->renderer;
slouken@1985
  1878
    if (!renderer->SetTextureBlendMode) {
slouken@1985
  1879
        return -1;
slouken@1985
  1880
    }
slouken@1985
  1881
    texture->blendMode = blendMode;
slouken@1985
  1882
    return renderer->SetTextureBlendMode(renderer, texture);
slouken@1985
  1883
}
slouken@1985
  1884
slouken@1985
  1885
int
slouken@1985
  1886
SDL_GetTextureBlendMode(SDL_TextureID textureID, int *blendMode)
slouken@1985
  1887
{
slouken@1985
  1888
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1889
    SDL_Renderer *renderer;
slouken@1985
  1890
slouken@1985
  1891
    if (!texture) {
slouken@1985
  1892
        return -1;
slouken@1985
  1893
    }
slouken@1985
  1894
slouken@1985
  1895
    if (blendMode) {
slouken@1985
  1896
        *blendMode = texture->blendMode;
slouken@1985
  1897
    }
slouken@1985
  1898
    return 0;
slouken@1985
  1899
}
slouken@1985
  1900
slouken@1985
  1901
int
slouken@1985
  1902
SDL_SetTextureScaleMode(SDL_TextureID textureID, int scaleMode)
slouken@1985
  1903
{
slouken@1985
  1904
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1905
    SDL_Renderer *renderer;
slouken@1985
  1906
slouken@1985
  1907
    if (!texture) {
slouken@1985
  1908
        return -1;
slouken@1985
  1909
    }
slouken@1985
  1910
slouken@1985
  1911
    renderer = texture->renderer;
slouken@1985
  1912
    if (!renderer->SetTextureScaleMode) {
slouken@1985
  1913
        return -1;
slouken@1985
  1914
    }
slouken@1985
  1915
    texture->scaleMode = scaleMode;
slouken@1985
  1916
    return renderer->SetTextureScaleMode(renderer, texture);
slouken@1985
  1917
}
slouken@1985
  1918
slouken@1985
  1919
int
slouken@1985
  1920
SDL_GetTextureScaleMode(SDL_TextureID textureID, int *scaleMode)
slouken@1985
  1921
{
slouken@1985
  1922
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1923
    SDL_Renderer *renderer;
slouken@1985
  1924
slouken@1985
  1925
    if (!texture) {
slouken@1985
  1926
        return -1;
slouken@1985
  1927
    }
slouken@1985
  1928
slouken@1985
  1929
    if (scaleMode) {
slouken@1985
  1930
        *scaleMode = texture->scaleMode;
slouken@1985
  1931
    }
slouken@1985
  1932
    return 0;
slouken@1985
  1933
}
slouken@1985
  1934
slouken@1985
  1935
int
slouken@1895
  1936
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1937
                  const void *pixels, int pitch)
slouken@1895
  1938
{
slouken@1895
  1939
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1940
    SDL_Renderer *renderer;
slouken@1895
  1941
    SDL_Rect full_rect;
slouken@1895
  1942
slouken@1895
  1943
    if (!texture) {
slouken@1895
  1944
        return -1;
slouken@1895
  1945
    }
slouken@1895
  1946
slouken@1895
  1947
    renderer = texture->renderer;
slouken@1895
  1948
    if (!renderer->UpdateTexture) {
slouken@1895
  1949
        return -1;
slouken@1895
  1950
    }
slouken@1895
  1951
slouken@1895
  1952
    if (!rect) {
slouken@1895
  1953
        full_rect.x = 0;
slouken@1895
  1954
        full_rect.y = 0;
slouken@1895
  1955
        full_rect.w = texture->w;
slouken@1895
  1956
        full_rect.h = texture->h;
slouken@1895
  1957
        rect = &full_rect;
slouken@1895
  1958
    }
slouken@1895
  1959
slouken@1895
  1960
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1961
}
slouken@1895
  1962
slouken@1895
  1963
int
slouken@1895
  1964
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1965
                void **pixels, int *pitch)
slouken@1895
  1966
{
slouken@1895
  1967
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1968
    SDL_Renderer *renderer;
slouken@1895
  1969
    SDL_Rect full_rect;
slouken@1895
  1970
slouken@1895
  1971
    if (!texture) {
slouken@1895
  1972
        return -1;
slouken@1895
  1973
    }
slouken@1895
  1974
slouken@1895
  1975
    renderer = texture->renderer;
slouken@1895
  1976
    if (!renderer->LockTexture) {
slouken@1895
  1977
        return -1;
slouken@1895
  1978
    }
slouken@1895
  1979
slouken@1895
  1980
    if (!rect) {
slouken@1895
  1981
        full_rect.x = 0;
slouken@1895
  1982
        full_rect.y = 0;
slouken@1895
  1983
        full_rect.w = texture->w;
slouken@1895
  1984
        full_rect.h = texture->h;
slouken@1895
  1985
        rect = &full_rect;
slouken@1895
  1986
    }
slouken@1895
  1987
slouken@1895
  1988
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1989
                                 pitch);
slouken@1895
  1990
}
slouken@1895
  1991
slouken@1895
  1992
void
slouken@1895
  1993
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1994
{
slouken@1895
  1995
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1996
    SDL_Renderer *renderer;
slouken@1895
  1997
slouken@1895
  1998
    if (!texture) {
slouken@1895
  1999
        return;
slouken@1895
  2000
    }
slouken@1895
  2001
slouken@1895
  2002
    renderer = texture->renderer;
slouken@1895
  2003
    if (!renderer->UnlockTexture) {
slouken@1895
  2004
        return;
slouken@1895
  2005
    }
slouken@1895
  2006
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  2007
}
slouken@1895
  2008
slouken@1895
  2009
void
slouken@1895
  2010
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  2011
                 const SDL_Rect * rects)
slouken@1895
  2012
{
slouken@1895
  2013
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  2014
    SDL_Renderer *renderer;
slouken@1895
  2015
slouken@1895
  2016
    if (!texture) {
slouken@1895
  2017
        return;
slouken@1895
  2018
    }
slouken@1895
  2019
slouken@1895
  2020
    renderer = texture->renderer;
slouken@1895
  2021
    if (!renderer->DirtyTexture) {
slouken@1895
  2022
        return;
slouken@1895
  2023
    }
slouken@1895
  2024
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  2025
}
slouken@1895
  2026
slouken@1895
  2027
int
slouken@1985
  2028
SDL_RenderFill(Uint8 r, Uint8 g, Uint8 b, Uint8 a, const SDL_Rect * rect)
slouken@1895
  2029
{
slouken@1895
  2030
    SDL_Renderer *renderer;
slouken@1895
  2031
    SDL_Window *window;
slouken@1895
  2032
    SDL_Rect real_rect;
slouken@1895
  2033
slouken@1895
  2034
    if (!_this) {
slouken@1912
  2035
        SDL_UninitializedVideo();
slouken@1895
  2036
        return -1;
slouken@1895
  2037
    }
slouken@1895
  2038
slouken@1895
  2039
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  2040
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  2041
        return -1;
slouken@1895
  2042
    }
slouken@1895
  2043
slouken@1895
  2044
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  2045
    real_rect.x = 0;
slouken@1895
  2046
    real_rect.y = 0;
slouken@1895
  2047
    real_rect.w = window->w;
slouken@1895
  2048
    real_rect.h = window->h;
slouken@1895
  2049
    if (rect) {
slouken@1895
  2050
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  2051
            return 0;
slouken@1895
  2052
        }
slouken@1895
  2053
    }
slouken@1895
  2054
slouken@1985
  2055
    return renderer->RenderFill(renderer, r, g, b, a, &real_rect);
slouken@1895
  2056
}
slouken@1895
  2057
slouken@1895
  2058
int
slouken@1895
  2059
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1985
  2060
               const SDL_Rect * dstrect)
slouken@1895
  2061
{
slouken@1895
  2062
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  2063
    SDL_Renderer *renderer;
slouken@1895
  2064
    SDL_Window *window;
slouken@1895
  2065
    SDL_Rect real_srcrect;
slouken@1895
  2066
    SDL_Rect real_dstrect;
slouken@1895
  2067
slouken@1895
  2068
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  2069
        return -1;
slouken@1895
  2070
    }
slouken@1895
  2071
slouken@1895
  2072
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  2073
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  2074
        return -1;
slouken@1895
  2075
    }
slouken@1895
  2076
slouken@1895
  2077
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  2078
    if (srcrect) {
slouken@1897
  2079
        real_srcrect = *srcrect;
slouken@1897
  2080
    } else {
slouken@1897
  2081
        real_srcrect.x = 0;
slouken@1897
  2082
        real_srcrect.y = 0;
slouken@1897
  2083
        real_srcrect.w = texture->w;
slouken@1897
  2084
        real_srcrect.h = texture->h;
slouken@1895
  2085
    }
slouken@1897
  2086
    if (dstrect) {
slouken@1897
  2087
        real_dstrect = *dstrect;
slouken@1897
  2088
    } else {
slouken@1897
  2089
        real_dstrect.x = 0;
slouken@1897
  2090
        real_dstrect.y = 0;
slouken@1897
  2091
        real_dstrect.w = window->w;
slouken@1897
  2092
        real_dstrect.h = window->h;
slouken@1895
  2093
    }
slouken@1895
  2094
slouken@1897
  2095
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1985
  2096
                                &real_dstrect);
slouken@1895
  2097
}
slouken@1895
  2098
slouken@1895
  2099
void
slouken@1895
  2100
SDL_RenderPresent(void)
slouken@1895
  2101
{
slouken@1895
  2102
    SDL_Renderer *renderer;
slouken@1895
  2103
slouken@1895
  2104
    if (!_this) {
slouken@1912
  2105
        SDL_UninitializedVideo();
slouken@1895
  2106
        return;
slouken@1895
  2107
    }
slouken@1895
  2108
slouken@1895
  2109
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  2110
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  2111
        return;
slouken@1895
  2112
    }
slouken@1895
  2113
    renderer->RenderPresent(renderer);
slouken@1895
  2114
}
slouken@1895
  2115
slouken@1895
  2116
void
slouken@1895
  2117
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@1895
  2118
{
slouken@1895
  2119
    int hash;
slouken@1895
  2120
    SDL_Texture *prev, *texture;
slouken@1895
  2121
    SDL_Renderer *renderer;
slouken@1895
  2122
slouken@1895
  2123
    if (!_this) {
slouken@1912
  2124
        SDL_UninitializedVideo();
slouken@1895
  2125
        return;
slouken@1895
  2126
    }
slouken@1895
  2127
slouken@1895
  2128
    /* Look up the texture in the hash table */
slouken@1895
  2129
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  2130
    prev = NULL;
slouken@1895
  2131
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  2132
         prev = texture, texture = texture->next) {
slouken@1895
  2133
        if (texture->id == textureID) {
slouken@1895
  2134
            break;
slouken@1895
  2135
        }
slouken@1895
  2136
    }
slouken@1895
  2137
    if (!texture) {
slouken@1895
  2138
        return;
slouken@1895
  2139
    }
slouken@1895
  2140
slouken@1895
  2141
    /* Unlink the texture from the list */
slouken@1895
  2142
    if (prev) {
slouken@1895
  2143
        prev->next = texture->next;
slouken@1895
  2144
    } else {
slouken@1895
  2145
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  2146
    }
slouken@1895
  2147
slouken@1895
  2148
    /* Free the texture */
slouken@1895
  2149
    renderer = texture->renderer;
slouken@1895
  2150
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  2151
    SDL_free(texture);
slouken@1895
  2152
}
slouken@1895
  2153
slouken@1895
  2154
void
slouken@1895
  2155
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@1895
  2156
{
slouken@1895
  2157
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2158
    SDL_Renderer *renderer;
slouken@1895
  2159
    int i;
slouken@1895
  2160
slouken@1895
  2161
    if (!window) {
slouken@1895
  2162
        return;
slouken@1895
  2163
    }
slouken@1895
  2164
slouken@1895
  2165
    renderer = window->renderer;
slouken@1895
  2166
    if (!renderer) {
slouken@1895
  2167
        return;
slouken@1895
  2168
    }
slouken@1895
  2169
slouken@1895
  2170
    /* Free existing textures for this renderer */
slouken@1895
  2171
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  2172
        SDL_Texture *texture;
slouken@1895
  2173
        SDL_Texture *prev = NULL;
slouken@1895
  2174
        SDL_Texture *next;
slouken@1895
  2175
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  2176
             texture = next) {
slouken@1895
  2177
            next = texture->next;
slouken@1895
  2178
            if (texture->renderer == renderer) {
slouken@1895
  2179
                if (prev) {
slouken@1895
  2180
                    prev->next = next;
slouken@1895
  2181
                } else {
slouken@1895
  2182
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  2183
                }
slouken@1895
  2184
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  2185
                SDL_free(texture);
slouken@1895
  2186
            } else {
slouken@1895
  2187
                prev = texture;
slouken@1895
  2188
            }
slouken@1895
  2189
        }
slouken@1895
  2190
    }
slouken@1895
  2191
slouken@1895
  2192
    /* Free the renderer instance */
slouken@1895
  2193
    renderer->DestroyRenderer(renderer);
slouken@1895
  2194
slouken@1895
  2195
    /* Clear references */
slouken@1895
  2196
    window->renderer = NULL;
slouken@1895
  2197
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  2198
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  2199
    }
slouken@1895
  2200
}
slouken@1895
  2201
slouken@1895
  2202
void
slouken@1895
  2203
SDL_VideoQuit(void)
slouken@1895
  2204
{
slouken@1895
  2205
    int i, j;
slouken@1895
  2206
slouken@1895
  2207
    if (!_this) {
slouken@1895
  2208
        return;
slouken@1895
  2209
    }
slouken@1895
  2210
slouken@1895
  2211
    /* Halt event processing before doing anything else */
slouken@1895
  2212
    SDL_StopEventLoop();
slouken@1895
  2213
slouken@1895
  2214
    /* Clean up the system video */
slouken@1895
  2215
    for (i = _this->num_displays; i--;) {
slouken@1895
  2216
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2217
        for (j = display->num_windows; j--;) {
slouken@1895
  2218
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  2219
        }
slouken@1895
  2220
        if (display->windows) {
slouken@1895
  2221
            SDL_free(display->windows);
slouken@1895
  2222
            display->windows = NULL;
slouken@1895
  2223
        }
slouken@1895
  2224
        display->num_windows = 0;
slouken@1895
  2225
    }
slouken@1895
  2226
    _this->VideoQuit(_this);
slouken@1895
  2227
slouken@1895
  2228
    for (i = _this->num_displays; i--;) {
slouken@1895
  2229
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2230
        for (j = display->num_display_modes; j--;) {
slouken@1895
  2231
            if (display->display_modes[j].driverdata) {
slouken@1895
  2232
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  2233
                display->display_modes[j].driverdata = NULL;
slouken@1895
  2234
            }
slouken@1895
  2235
        }
slouken@1895
  2236
        if (display->display_modes) {
slouken@1895
  2237
            SDL_free(display->display_modes);
slouken@1895
  2238
            display->display_modes = NULL;
slouken@1895
  2239
        }
slouken@1895
  2240
        if (display->desktop_mode.driverdata) {
slouken@1895
  2241
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  2242
            display->desktop_mode.driverdata = NULL;
slouken@1895
  2243
        }
slouken@1895
  2244
        if (display->palette) {
slouken@1895
  2245
            SDL_FreePalette(display->palette);
slouken@1895
  2246
            display->palette = NULL;
slouken@1895
  2247
        }
slouken@1895
  2248
        if (display->gamma) {
slouken@1895
  2249
            SDL_free(display->gamma);
slouken@1895
  2250
        }
slouken@1895
  2251
        if (display->driverdata) {
slouken@1895
  2252
            SDL_free(display->driverdata);
slouken@1895
  2253
        }
slouken@1895
  2254
    }
slouken@1895
  2255
    if (_this->displays) {
slouken@1895
  2256
        SDL_free(_this->displays);
slouken@1895
  2257
        _this->displays = NULL;
slouken@1895
  2258
    }
slouken@1895
  2259
    _this->free(_this);
slouken@1895
  2260
    _this = NULL;
slouken@0
  2261
}
slouken@0
  2262
slouken@1895
  2263
int
slouken@1895
  2264
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2265
{
slouken@1895
  2266
    int retval;
slouken@0
  2267
slouken@1912
  2268
    if (!_this) {
slouken@1912
  2269
        SDL_UninitializedVideo();
slouken@1912
  2270
        return -1;
slouken@1912
  2271
    }
slouken@1912
  2272
slouken@1912
  2273
    if (_this->GL_LoadLibrary) {
slouken@1912
  2274
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2275
    } else {
slouken@1912
  2276
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2277
        retval = -1;
slouken@1895
  2278
    }
slouken@1895
  2279
    return (retval);
slouken@0
  2280
}
slouken@0
  2281
slouken@1895
  2282
void *
slouken@1895
  2283
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2284
{
slouken@1895
  2285
    void *func;
slouken@0
  2286
slouken@1912
  2287
    if (!_this) {
slouken@1912
  2288
        SDL_UninitializedVideo();
slouken@1912
  2289
        return NULL;
slouken@1912
  2290
    }
slouken@1912
  2291
slouken@1895
  2292
    func = NULL;
slouken@1895
  2293
    if (_this->GL_GetProcAddress) {
slouken@1895
  2294
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2295
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2296
        } else {
slouken@1895
  2297
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2298
        }
slouken@1895
  2299
    } else {
slouken@1895
  2300
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2301
    }
slouken@1895
  2302
    return func;
slouken@0
  2303
}
slouken@0
  2304
slouken@1926
  2305
SDL_bool
slouken@1926
  2306
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2307
{
slouken@1926
  2308
#if SDL_VIDEO_OPENGL
slouken@1926
  2309
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@1926
  2310
    const char *extensions;
slouken@1926
  2311
    const char *start;
slouken@1926
  2312
    const char *where, *terminator;
slouken@1926
  2313
slouken@1926
  2314
    /* Extension names should not have spaces. */
slouken@1926
  2315
    where = SDL_strchr(extension, ' ');
slouken@1926
  2316
    if (where || *extension == '\0') {
slouken@1926
  2317
        return SDL_FALSE;
slouken@1926
  2318
    }
slouken@1926
  2319
slouken@1926
  2320
    /* See if there's an environment variable override */
slouken@1926
  2321
    start = SDL_getenv(extension);
slouken@1926
  2322
    if (start && *start == '0') {
slouken@1926
  2323
        return SDL_FALSE;
slouken@1926
  2324
    }
slouken@1926
  2325
slouken@1926
  2326
    /* Lookup the available extensions */
slouken@1926
  2327
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@1926
  2328
    if (glGetStringFunc) {
slouken@1926
  2329
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@1926
  2330
    } else {
slouken@1926
  2331
        extensions = NULL;
slouken@1926
  2332
    }
slouken@1926
  2333
    if (!extensions) {
slouken@1926
  2334
        return SDL_FALSE;
slouken@1926
  2335
    }
slouken@1926
  2336
slouken@1926
  2337
    /* It takes a bit of care to be fool-proof about parsing the
slouken@1926
  2338
     * OpenGL extensions string. Don't be fooled by sub-strings,
slouken@1926
  2339
     * etc. */
slouken@1926
  2340
slouken@1926
  2341
    start = extensions;
slouken@1926
  2342
slouken@1926
  2343
    for (;;) {
slouken@1926
  2344
        where = SDL_strstr(start, extension);
slouken@1926
  2345
        if (!where)
slouken@1926
  2346
            break;
slouken@1926
  2347
slouken@1926
  2348
        terminator = where + SDL_strlen(extension);
slouken@1926
  2349
        if (where == start || *(where - 1) == ' ')
slouken@1926
  2350
            if (*terminator == ' ' || *terminator == '\0')
slouken@1926
  2351
                return SDL_TRUE;
slouken@1926
  2352
slouken@1926
  2353
        start = terminator;
slouken@1926
  2354
    }
slouken@1926
  2355
    return SDL_FALSE;
slouken@1926
  2356
#else
slouken@1926
  2357
    return SDL_FALSE;
slouken@1926
  2358
#endif
slouken@1926
  2359
}
slouken@1926
  2360
slouken@1895
  2361
int
slouken@1895
  2362
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2363
{
slouken@1936
  2364
#if SDL_VIDEO_OPENGL
slouken@1895
  2365
    int retval;
slouken@0
  2366
slouken@1912
  2367
    if (!_this) {
slouken@1912
  2368
        SDL_UninitializedVideo();
slouken@1912
  2369
        return -1;
slouken@1912
  2370
    }
slouken@1912
  2371
slouken@1895
  2372
    retval = 0;
slouken@1895
  2373
    switch (attr) {
slouken@1895
  2374
    case SDL_GL_RED_SIZE:
slouken@1895
  2375
        _this->gl_config.red_size = value;
slouken@1895
  2376
        break;
slouken@1895
  2377
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2378
        _this->gl_config.green_size = value;
slouken@1895
  2379
        break;
slouken@1895
  2380
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2381
        _this->gl_config.blue_size = value;
slouken@1895
  2382
        break;
slouken@1895
  2383
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2384
        _this->gl_config.alpha_size = value;
slouken@1895
  2385
        break;
slouken@1895
  2386
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2387
        _this->gl_config.double_buffer = value;
slouken@1895
  2388
        break;
slouken@1895
  2389
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2390
        _this->gl_config.buffer_size = value;
slouken@1895
  2391
        break;
slouken@1895
  2392
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2393
        _this->gl_config.depth_size = value;
slouken@1895
  2394
        break;
slouken@1895
  2395
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2396
        _this->gl_config.stencil_size = value;
slouken@1895
  2397
        break;
slouken@1895
  2398
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2399
        _this->gl_config.accum_red_size = value;
slouken@1895
  2400
        break;
slouken@1895
  2401
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2402
        _this->gl_config.accum_green_size = value;
slouken@1895
  2403
        break;
slouken@1895
  2404
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2405
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2406
        break;
slouken@1895
  2407
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2408
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2409
        break;
slouken@1895
  2410
    case SDL_GL_STEREO:
slouken@1895
  2411
        _this->gl_config.stereo = value;
slouken@1895
  2412
        break;
slouken@1895
  2413
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2414
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2415
        break;
slouken@1895
  2416
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2417
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2418
        break;
slouken@1895
  2419
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2420
        _this->gl_config.accelerated = value;
slouken@1895
  2421
        break;
slouken@1895
  2422
    default:
slouken@1895
  2423
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2424
        retval = -1;
slouken@1895
  2425
        break;
slouken@1895
  2426
    }
slouken@1912
  2427
    return retval;
slouken@1936
  2428
#else
slouken@1936
  2429
    SDL_Unsupported();
slouken@1936
  2430
    return -1;
slouken@1936
  2431
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2432
}
slouken@0
  2433
slouken@1895
  2434
int
slouken@1936
  2435
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2436
{
slouken@1936
  2437
#if SDL_VIDEO_OPENGL
slouken@1936
  2438
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@1936
  2439
    GLenum attrib = 0;
slouken@1912
  2440
slouken@1936
  2441
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@1936
  2442
    if (!glGetIntegervFunc) {
slouken@1936
  2443
        return -1;
slouken@1936
  2444
    }
slouken@1936
  2445
    switch (attr) {
slouken@1936
  2446
    case SDL_GL_RED_SIZE:
slouken@1936
  2447
        attrib = GL_RED_BITS;
slouken@1936
  2448
        break;
slouken@1936
  2449
    case SDL_GL_BLUE_SIZE:
slouken@1936
  2450
        attrib = GL_BLUE_BITS;
slouken@1936
  2451
        break;
slouken@1936
  2452
    case SDL_GL_GREEN_SIZE:
slouken@1936
  2453
        attrib = GL_GREEN_BITS;
slouken@1936
  2454
        break;
slouken@1936
  2455
    case SDL_GL_ALPHA_SIZE:
slouken@1936
  2456
        attrib = GL_ALPHA_BITS;
slouken@1936
  2457
        break;
slouken@1936
  2458
    case SDL_GL_DOUBLEBUFFER:
slouken@1936
  2459
        attrib = GL_DOUBLEBUFFER;
slouken@1936
  2460
        break;
slouken@1936
  2461
    case SDL_GL_DEPTH_SIZE:
slouken@1936
  2462
        attrib = GL_DEPTH_BITS;
slouken@1936
  2463
        break;
slouken@1936
  2464
    case SDL_GL_STENCIL_SIZE:
slouken@1936
  2465
        attrib = GL_STENCIL_BITS;
slouken@1936
  2466
        break;
slouken@1936
  2467
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1936
  2468
        attrib = GL_ACCUM_RED_BITS;
slouken@1936
  2469
        break;
slouken@1936
  2470
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1936
  2471
        attrib = GL_ACCUM_GREEN_BITS;
slouken@1936
  2472
        break;
slouken@1936
  2473
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1936
  2474
        attrib = GL_ACCUM_BLUE_BITS;
slouken@1936
  2475
        break;
slouken@1936
  2476
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1936
  2477
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@1936
  2478
        break;
slouken@1936
  2479
    case SDL_GL_STEREO:
slouken@1936
  2480
        attrib = GL_STEREO;
slouken@1936
  2481
        break;
slouken@1936
  2482
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1936
  2483
        attrib = GL_SAMPLE_BUFFERS_ARB;
slouken@1936
  2484
        break;
slouken@1936
  2485
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1936
  2486
        attrib = GL_SAMPLES_ARB;
slouken@1936
  2487
        break;
slouken@1936
  2488
    case SDL_GL_BUFFER_SIZE:
slouken@1936
  2489
        {
slouken@1936
  2490
            GLint bits = 0;
slouken@1936
  2491
            GLint component;
slouken@1936
  2492
slouken@1936
  2493
            /* there doesn't seem to be a single flag in OpenGL for this! */
slouken@1938
  2494
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@1936
  2495
            bits += component;
slouken@1938
  2496
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@1936
  2497
            bits += component;
slouken@1938
  2498
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@1936
  2499
            bits += component;
slouken@1938
  2500
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@1936
  2501
            bits += component;
slouken@1936
  2502
slouken@1936
  2503
            *value = bits;
slouken@1936
  2504
            return 0;
slouken@1936
  2505
        }
slouken@1936
  2506
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1936
  2507
        {
slouken@1936
  2508
            /* FIXME: How do we get this information? */
slouken@1936
  2509
            *value = (_this->gl_config.accelerated != 0);
slouken@1936
  2510
            return 0;
slouken@1936
  2511
        }
slouken@1936
  2512
    default:
slouken@1936
  2513
        SDL_SetError("Unknown OpenGL attribute");
slouken@1912
  2514
        return -1;
slouken@1912
  2515
    }
slouken@0
  2516
slouken@1938
  2517
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@1936
  2518
    return 0;
slouken@1936
  2519
#else
slouken@1936
  2520
    SDL_Unsupported();
slouken@1936
  2521
    return -1;
slouken@1936
  2522
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2523
}
slouken@0
  2524
slouken@1912
  2525
SDL_GLContext
slouken@1912
  2526
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2527
{
slouken@1912
  2528
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2529
slouken@1912
  2530
    if (!window) {
slouken@1912
  2531
        return NULL;
slouken@1912
  2532
    }
slouken@1912
  2533
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2534
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2535
        return NULL;
slouken@1912
  2536
    }
slouken@1912
  2537
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2538
}
slouken@1912
  2539
slouken@1912
  2540
int
slouken@1912
  2541
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2542
{
slouken@1912
  2543
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2544
slouken@1913
  2545
    if (window && !(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2546
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2547
        return -1;
slouken@1912
  2548
    }
slouken@1936
  2549
    if (!context) {
slouken@1936
  2550
        window = NULL;
slouken@1936
  2551
    }
slouken@1912
  2552
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2553
}
slouken@1912
  2554
slouken@1912
  2555
int
slouken@1912
  2556
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2557
{
slouken@1912
  2558
    if (!_this) {
slouken@1912
  2559
        SDL_UninitializedVideo();
slouken@1912
  2560
        return -1;
slouken@1912
  2561
    }
slouken@1912
  2562
slouken@1912
  2563
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2564
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2565
    } else {
slouken@1912
  2566
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2567
        return -1;
slouken@1912
  2568
    }
slouken@1912
  2569
}
slouken@1912
  2570
slouken@1912
  2571
int
slouken@1912
  2572
SDL_GL_GetSwapInterval(void)
slouken@1912
  2573
{
slouken@1912
  2574
    if (!_this) {
slouken@1912
  2575
        SDL_UninitializedVideo();
slouken@1912
  2576
        return -1;
slouken@1912
  2577
    }
slouken@1912
  2578
slouken@1912
  2579
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2580
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2581
    } else {
slouken@1912
  2582
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2583
        return -1;
slouken@1912
  2584
    }
slouken@1912
  2585
}
slouken@1912
  2586
slouken@1895
  2587
void
slouken@1912
  2588
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2589
{
slouken@1912
  2590
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2591
slouken@1912
  2592
    if (!window) {
slouken@1912
  2593
        return;
slouken@1912
  2594
    }
slouken@1912
  2595
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2596
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2597
        return;
slouken@1912
  2598
    }
slouken@1930
  2599
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2600
}
slouken@1912
  2601
slouken@1912
  2602
void
slouken@1912
  2603
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2604
{
slouken@1912
  2605
    if (!_this || !context) {
slouken@1912
  2606
        return;
slouken@1912
  2607
    }
slouken@1936
  2608
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@1912
  2609
    _this->GL_DeleteContext(_this, context);
slouken@0
  2610
}
slouken@0
  2611
slouken@1895
  2612
#if 0                           // FIXME
slouken@541
  2613
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2614
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2615
static void
slouken@1895
  2616
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2617
{
slouken@1895
  2618
    int x, y;
slouken@1895
  2619
    Uint32 colorkey;
slouken@0
  2620
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2621
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2622
slouken@1895
  2623
    colorkey = icon->format->colorkey;
slouken@1895
  2624
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2625
    case 1:
slouken@1895
  2626
        {
slouken@1895
  2627
            Uint8 *pixels;
slouken@1895
  2628
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2629
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2630
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2631
                    if (*pixels++ == colorkey) {
slouken@1895
  2632
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2633
                    }
slouken@1895
  2634
                }
slouken@1895
  2635
            }
slouken@1895
  2636
        }
slouken@1895
  2637
        break;
slouken@0
  2638
slouken@1895
  2639
    case 2:
slouken@1895
  2640
        {
slouken@1895
  2641
            Uint16 *pixels;
slouken@1895
  2642
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2643
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2644
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2645
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2646
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2647
                    } else if ((flags & 2)
slouken@1895
  2648
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2649
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2650
                    }
slouken@1895
  2651
                    pixels++;
slouken@1895
  2652
                }
slouken@1895
  2653
            }
slouken@1895
  2654
        }
slouken@1895
  2655
        break;
slouken@0
  2656
slouken@1895
  2657
    case 4:
slouken@1895
  2658
        {
slouken@1895
  2659
            Uint32 *pixels;
slouken@1895
  2660
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2661
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2662
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2663
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2664
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2665
                    } else if ((flags & 2)
slouken@1895
  2666
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2667
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2668
                    }
slouken@1895
  2669
                    pixels++;
slouken@1895
  2670
                }
slouken@1895
  2671
            }
slouken@1895
  2672
        }
slouken@1895
  2673
        break;
slouken@1895
  2674
    }
slouken@0
  2675
}
slouken@0
  2676