src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Sat, 31 Dec 2011 09:28:07 -0500
changeset 6138 4c64952a58fb
parent 6063 44cd82d8ea65
child 6174 5f221b7a5952
permissions -rwxr-xr-x
Happy New Year!
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_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_video.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_rect_c.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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#endif /* SDL_VIDEO_OPENGL */
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#if SDL_VIDEO_OPENGL_ES
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#include "SDL_opengles.h"
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#endif /* SDL_VIDEO_OPENGL_ES */
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#if SDL_VIDEO_OPENGL_ES2
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#include "SDL_opengles2.h"
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#endif /* SDL_VIDEO_OPENGL_ES2 */
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#include "SDL_syswm.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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/* 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_DIRECTFB
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    &DirectFB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WINDOWS
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    &WINDOWS_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_PANDORA
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    &PND_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_NDS
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    &NDS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_UIKIT
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    &UIKIT_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_ANDROID
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    &Android_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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#define CHECK_WINDOW_MAGIC(window, retval) \
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    if (!_this) { \
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        SDL_UninitializedVideo(); \
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        return retval; \
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    } \
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    if (!window || window->magic != &_this->window_magic) { \
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        SDL_SetError("Invalid window"); \
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        return retval; \
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    }
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#define CHECK_DISPLAY_INDEX(displayIndex, retval) \
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    if (!_this) { \
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        SDL_UninitializedVideo(); \
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        return retval; \
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    } \
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    if (displayIndex < 0 || displayIndex >= _this->num_displays) { \
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        SDL_SetError("displayIndex must be in the range 0 - %d", \
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                     _this->num_displays - 1); \
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        return retval; \
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    }
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/* Support for framebuffer emulation using an accelerated renderer */
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#define SDL_WINDOWTEXTUREDATA   "_SDL_WindowTextureData"
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typedef struct {
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    SDL_Renderer *renderer;
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    SDL_Texture *texture;
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    void *pixels;
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    int pitch;
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    int bytes_per_pixel;
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} SDL_WindowTextureData;
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static SDL_bool
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ShouldUseTextureFramebuffer()
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{
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    const char *hint;
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    /* If there's no native framebuffer support then there's no option */
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    if (!_this->CreateWindowFramebuffer) {
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        return SDL_TRUE;
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    }
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    /* If the user has specified a software renderer we can't use a
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       texture framebuffer, or renderer creation will go recursive.
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     */
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    hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
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    if (hint && SDL_strcasecmp(hint, "software") == 0) {
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        return SDL_FALSE;
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    }
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    /* See if the user or application wants a specific behavior */
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    hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
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    if (hint) {
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        if (*hint == '0') {
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            return SDL_FALSE;
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        } else {
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            return SDL_TRUE;
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        }
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    }
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    /* Each platform has different performance characteristics */
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#if defined(__WIN32__)
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    /* GDI BitBlt() is way faster than Direct3D dynamic textures right now.
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     */
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    return SDL_FALSE;
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#elif defined(__MACOSX__)
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    /* Mac OS X uses OpenGL as the native fast path */
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    return SDL_TRUE;
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#elif defined(__LINUX__)
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    /* Properly configured OpenGL drivers are faster than MIT-SHM */
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#if SDL_VIDEO_OPENGL
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    /* Ugh, find a way to cache this value! */
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    {
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        SDL_Window *window;
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        SDL_GLContext context;
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        SDL_bool hasAcceleratedOpenGL = SDL_FALSE;
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        window = SDL_CreateWindow("OpenGL test", -32, -32, 32, 32, SDL_WINDOW_OPENGL|SDL_WINDOW_HIDDEN);
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        if (window) {
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            context = SDL_GL_CreateContext(window);
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            if (context) {
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                const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
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                const char *vendor = NULL;
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                glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
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                if (glGetStringFunc) {
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                    vendor = (const char *) glGetStringFunc(GL_VENDOR);
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                }
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                /* Add more vendors here at will... */
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                if (vendor &&
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                    (SDL_strstr(vendor, "ATI Technologies") ||
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                     SDL_strstr(vendor, "NVIDIA"))) {
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                    hasAcceleratedOpenGL = SDL_TRUE;
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                }
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                SDL_GL_DeleteContext(context);
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            }
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            SDL_DestroyWindow(window);
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        }
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        return hasAcceleratedOpenGL;
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    }
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#else
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    return SDL_FALSE;
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#endif
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#else
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    /* Play it safe, assume that if there is a framebuffer driver that it's
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       optimized for the current platform.
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    */
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    return SDL_FALSE;
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#endif
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}
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static int
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SDL_CreateWindowTexture(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
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{
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    SDL_WindowTextureData *data;
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    SDL_RendererInfo info;
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    Uint32 i;
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    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
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    if (!data) {
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        SDL_Renderer *renderer = NULL;
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        SDL_RendererInfo info;
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        int i;
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        const char *hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
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        /* Check to see if there's a specific driver requested */
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        if (hint && *hint != '0' && *hint != '1' &&
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            SDL_strcasecmp(hint, "software") != 0) {
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            for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
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                SDL_GetRenderDriverInfo(i, &info);
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                if (SDL_strcasecmp(info.name, hint) == 0) {
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                    renderer = SDL_CreateRenderer(window, i, 0);
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                    break;
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                }
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            }
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        }
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        if (!renderer) {
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            for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
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                SDL_GetRenderDriverInfo(i, &info);
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                if (SDL_strcmp(info.name, "software") != 0) {
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                    renderer = SDL_CreateRenderer(window, i, 0);
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                    if (renderer) {
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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 (!renderer) {
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            return -1;
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        }
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        /* Create the data after we successfully create the renderer (bug #1116) */
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        data = (SDL_WindowTextureData *)SDL_calloc(1, sizeof(*data));
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        if (!data) {
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            SDL_DestroyRenderer(renderer);
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            SDL_OutOfMemory();
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            return -1;
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        }
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        SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, data);
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        data->renderer = renderer;
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    }
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    /* Free any old texture and pixel data */
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    if (data->texture) {
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        SDL_DestroyTexture(data->texture);
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        data->texture = NULL;
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    }
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    if (data->pixels) {
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        SDL_free(data->pixels);
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        data->pixels = NULL;
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    }
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    if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
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        return -1;
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    }
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    /* Find the first format without an alpha channel */
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    *format = info.texture_formats[0];
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    for (i = 0; i < info.num_texture_formats; ++i) {
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        if (!SDL_ISPIXELFORMAT_FOURCC(info.texture_formats[i]) &&
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            !SDL_ISPIXELFORMAT_ALPHA(info.texture_formats[i])) {
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            *format = info.texture_formats[i];
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            break;
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        }
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    }
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    data->texture = SDL_CreateTexture(data->renderer, *format,
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                                      SDL_TEXTUREACCESS_STREAMING,
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                                      window->w, window->h);
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    if (!data->texture) {
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        return -1;
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    }
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    /* Create framebuffer data */
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    data->bytes_per_pixel = SDL_BYTESPERPIXEL(*format);
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    data->pitch = (((window->w * data->bytes_per_pixel) + 3) & ~3);
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    data->pixels = SDL_malloc(window->h * data->pitch);
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    if (!data->pixels) {
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        SDL_OutOfMemory();
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        return -1;
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    }
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    *pixels = data->pixels;
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    *pitch = data->pitch;
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    /* Make sure we're not double-scaling the viewport */
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    SDL_RenderSetViewport(data->renderer, NULL);
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    return 0;
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}
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static int
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SDL_UpdateWindowTexture(_THIS, SDL_Window * window, SDL_Rect * rects, int numrects)
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{
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    SDL_WindowTextureData *data;
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    SDL_Rect rect;
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    void *src;
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    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
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    if (!data || !data->texture) {
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        SDL_SetError("No window texture data");
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        return -1;
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    }
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    /* Update a single rect that contains subrects for best DMA performance */
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    if (SDL_GetSpanEnclosingRect(window->w, window->h, numrects, rects, &rect)) {
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        src = (void *)((Uint8 *)data->pixels +
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                        rect.y * data->pitch +
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                        rect.x * data->bytes_per_pixel);
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        if (SDL_UpdateTexture(data->texture, &rect, src, data->pitch) < 0) {
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            return -1;
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        }
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        if (SDL_RenderCopy(data->renderer, data->texture, NULL, NULL) < 0) {
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            return -1;
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        }
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        SDL_RenderPresent(data->renderer);
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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_DestroyWindowTexture(_THIS, SDL_Window * window)
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{
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    SDL_WindowTextureData *data;
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    data = SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, NULL);
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    if (!data) {
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        return;
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   345
    }
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    if (data->texture) {
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        SDL_DestroyTexture(data->texture);
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    }
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    if (data->renderer) {
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        SDL_DestroyRenderer(data->renderer);
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    }
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    if (data->pixels) {
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        SDL_free(data->pixels);
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    }
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    SDL_free(data);
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}
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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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   365
    if (a.w != b.w) {
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        return b.w - a.w;
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    }
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   368
    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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    }
lestat@3178
   374
    if (SDL_PIXELLAYOUT(a.format) != SDL_PIXELLAYOUT(b.format)) {
lestat@3178
   375
        return SDL_PIXELLAYOUT(b.format) - SDL_PIXELLAYOUT(a.format);
lestat@3178
   376
    }
slouken@2753
   377
    if (a.refresh_rate != b.refresh_rate) {
slouken@2753
   378
        return b.refresh_rate - a.refresh_rate;
slouken@2753
   379
    }
slouken@2753
   380
    return 0;
slouken@1895
   381
}
slouken@1895
   382
slouken@1912
   383
static void
slouken@1912
   384
SDL_UninitializedVideo()
slouken@1912
   385
{
slouken@2753
   386
    SDL_SetError("Video subsystem has not been initialized");
slouken@1912
   387
}
slouken@1912
   388
slouken@1895
   389
int
slouken@1895
   390
SDL_GetNumVideoDrivers(void)
slouken@1895
   391
{
slouken@2753
   392
    return SDL_arraysize(bootstrap) - 1;
slouken@1895
   393
}
slouken@1895
   394
slouken@2753
   395
const char *
slouken@1895
   396
SDL_GetVideoDriver(int index)
slouken@1895
   397
{
slouken@2753
   398
    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
slouken@2753
   399
        return bootstrap[index]->name;
slouken@2753
   400
    }
slouken@2753
   401
    return NULL;
slouken@1895
   402
}
slouken@0
   403
slouken@0
   404
/*
slouken@0
   405
 * Initialize the video and event subsystems -- determine native pixel format
slouken@0
   406
 */
slouken@1895
   407
int
slouken@5123
   408
SDL_VideoInit(const char *driver_name)
slouken@0
   409
{
slouken@2753
   410
    SDL_VideoDevice *video;
slouken@2753
   411
    int index;
slouken@2753
   412
    int i;
slouken@0
   413
slouken@3694
   414
    /* Check to make sure we don't overwrite '_this' */
slouken@3694
   415
    if (_this != NULL) {
slouken@3694
   416
        SDL_VideoQuit();
slouken@3694
   417
    }
slouken@3694
   418
slouken@2753
   419
    /* Start the event loop */
slouken@5123
   420
    if (SDL_StartEventLoop() < 0 ||
slouken@5123
   421
        SDL_KeyboardInit() < 0 ||
slouken@5123
   422
        SDL_MouseInit() < 0 ||
slouken@5123
   423
        SDL_TouchInit() < 0 ||
slouken@5123
   424
        SDL_QuitInit() < 0) {
slouken@2753
   425
        return -1;
slouken@2753
   426
    }
slouken@3694
   427
slouken@2753
   428
    /* Select the proper video driver */
slouken@2753
   429
    index = 0;
slouken@2753
   430
    video = NULL;
slouken@2753
   431
    if (driver_name == NULL) {
slouken@2753
   432
        driver_name = SDL_getenv("SDL_VIDEODRIVER");
slouken@2753
   433
    }
slouken@2753
   434
    if (driver_name != NULL) {
slouken@2753
   435
        for (i = 0; bootstrap[i]; ++i) {
slouken@2753
   436
            if (SDL_strcasecmp(bootstrap[i]->name, driver_name) == 0) {
slouken@3448
   437
                video = bootstrap[i]->create(index);
slouken@2753
   438
                break;
slouken@2753
   439
            }
slouken@2753
   440
        }
slouken@2753
   441
    } else {
slouken@2753
   442
        for (i = 0; bootstrap[i]; ++i) {
slouken@2753
   443
            if (bootstrap[i]->available()) {
slouken@2753
   444
                video = bootstrap[i]->create(index);
slouken@2753
   445
                if (video != NULL) {
slouken@2753
   446
                    break;
slouken@2753
   447
                }
slouken@2753
   448
            }
slouken@2753
   449
        }
slouken@2753
   450
    }
slouken@2753
   451
    if (video == NULL) {
slouken@2753
   452
        if (driver_name) {
slouken@2753
   453
            SDL_SetError("%s not available", driver_name);
slouken@2753
   454
        } else {
slouken@2753
   455
            SDL_SetError("No available video device");
slouken@2753
   456
        }
slouken@2753
   457
        return -1;
slouken@2753
   458
    }
slouken@2753
   459
    _this = video;
slouken@2753
   460
    _this->name = bootstrap[i]->name;
slouken@2753
   461
    _this->next_object_id = 1;
slouken@0
   462
slouken@0
   463
slouken@2753
   464
    /* Set some very sane GL defaults */
slouken@2753
   465
    _this->gl_config.driver_loaded = 0;
slouken@2753
   466
    _this->gl_config.dll_handle = NULL;
slouken@2753
   467
    _this->gl_config.red_size = 3;
slouken@2753
   468
    _this->gl_config.green_size = 3;
slouken@2753
   469
    _this->gl_config.blue_size = 2;
slouken@2753
   470
    _this->gl_config.alpha_size = 0;
slouken@2753
   471
    _this->gl_config.buffer_size = 0;
slouken@2753
   472
    _this->gl_config.depth_size = 16;
slouken@2753
   473
    _this->gl_config.stencil_size = 0;
slouken@2753
   474
    _this->gl_config.double_buffer = 1;
slouken@2753
   475
    _this->gl_config.accum_red_size = 0;
slouken@2753
   476
    _this->gl_config.accum_green_size = 0;
slouken@2753
   477
    _this->gl_config.accum_blue_size = 0;
slouken@2753
   478
    _this->gl_config.accum_alpha_size = 0;
slouken@2753
   479
    _this->gl_config.stereo = 0;
slouken@2753
   480
    _this->gl_config.multisamplebuffers = 0;
slouken@2753
   481
    _this->gl_config.multisamplesamples = 0;
slouken@2753
   482
    _this->gl_config.retained_backing = 1;
slouken@3571
   483
    _this->gl_config.accelerated = -1;  /* accelerated or not, both are fine */
slouken@5209
   484
#if SDL_VIDEO_OPENGL
slouken@3100
   485
    _this->gl_config.major_version = 2;
slouken@3100
   486
    _this->gl_config.minor_version = 1;
slouken@5217
   487
#elif SDL_VIDEO_OPENGL_ES
slouken@5217
   488
    _this->gl_config.major_version = 1;
slouken@5217
   489
    _this->gl_config.minor_version = 1;
slouken@5209
   490
#elif SDL_VIDEO_OPENGL_ES2
slouken@5209
   491
    _this->gl_config.major_version = 2;
slouken@5209
   492
    _this->gl_config.minor_version = 0;
slouken@5209
   493
#endif
slouken@0
   494
slouken@2753
   495
    /* Initialize the video subsystem */
slouken@2753
   496
    if (_this->VideoInit(_this) < 0) {
slouken@2753
   497
        SDL_VideoQuit();
slouken@2753
   498
        return -1;
slouken@2753
   499
    }
slouken@5166
   500
slouken@2753
   501
    /* Make sure some displays were added */
slouken@2753
   502
    if (_this->num_displays == 0) {
slouken@2753
   503
        SDL_SetError("The video driver did not add any displays");
slouken@2753
   504
        SDL_VideoQuit();
slouken@2753
   505
        return (-1);
slouken@2753
   506
    }
slouken@0
   507
slouken@5190
   508
    /* Add the renderer framebuffer emulation if desired */
slouken@5190
   509
    if (ShouldUseTextureFramebuffer()) {
slouken@5166
   510
        _this->CreateWindowFramebuffer = SDL_CreateWindowTexture;
slouken@5166
   511
        _this->UpdateWindowFramebuffer = SDL_UpdateWindowTexture;
slouken@5166
   512
        _this->DestroyWindowFramebuffer = SDL_DestroyWindowTexture;
slouken@5166
   513
    }
slouken@5166
   514
slouken@2753
   515
    /* We're ready to go! */
slouken@2753
   516
    return 0;
slouken@0
   517
}
slouken@0
   518
slouken@2753
   519
const char *
slouken@1895
   520
SDL_GetCurrentVideoDriver()
slouken@0
   521
{
slouken@2753
   522
    if (!_this) {
slouken@2753
   523
        SDL_UninitializedVideo();
slouken@2753
   524
        return NULL;
slouken@2753
   525
    }
slouken@2753
   526
    return _this->name;
slouken@0
   527
}
slouken@0
   528
slouken@1895
   529
SDL_VideoDevice *
slouken@4472
   530
SDL_GetVideoDevice(void)
slouken@0
   531
{
slouken@2753
   532
    return _this;
slouken@0
   533
}
slouken@0
   534
slouken@1895
   535
int
slouken@1895
   536
SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
slouken@0
   537
{
slouken@2753
   538
    SDL_VideoDisplay display;
slouken@0
   539
slouken@2753
   540
    SDL_zero(display);
slouken@2753
   541
    if (desktop_mode) {
slouken@2753
   542
        display.desktop_mode = *desktop_mode;
slouken@2753
   543
    }
slouken@2753
   544
    display.current_mode = display.desktop_mode;
slouken@1895
   545
slouken@2753
   546
    return SDL_AddVideoDisplay(&display);
slouken@0
   547
}
slouken@0
   548
slouken@1895
   549
int
slouken@1895
   550
SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
slouken@0
   551
{
slouken@2753
   552
    SDL_VideoDisplay *displays;
slouken@2753
   553
    int index = -1;
slouken@0
   554
slouken@2753
   555
    displays =
slouken@2753
   556
        SDL_realloc(_this->displays,
slouken@2753
   557
                    (_this->num_displays + 1) * sizeof(*displays));
slouken@2753
   558
    if (displays) {
slouken@2753
   559
        index = _this->num_displays++;
slouken@2753
   560
        displays[index] = *display;
slouken@2753
   561
        displays[index].device = _this;
slouken@2753
   562
        _this->displays = displays;
slouken@2753
   563
    } else {
slouken@2753
   564
        SDL_OutOfMemory();
slouken@2753
   565
    }
slouken@2753
   566
    return index;
slouken@0
   567
}
slouken@0
   568
slouken@1895
   569
int
slouken@1895
   570
SDL_GetNumVideoDisplays(void)
slouken@0
   571
{
slouken@2753
   572
    if (!_this) {
slouken@2753
   573
        SDL_UninitializedVideo();
slouken@2753
   574
        return 0;
slouken@2753
   575
    }
slouken@2753
   576
    return _this->num_displays;
slouken@0
   577
}
slouken@0
   578
slouken@6044
   579
static int
slouken@5380
   580
SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
slouken@5380
   581
{
slouken@5380
   582
    int displayIndex;
slouken@5380
   583
slouken@5380
   584
    for (displayIndex = 0; displayIndex < _this->num_displays; ++displayIndex) {
slouken@5380
   585
        if (display == &_this->displays[displayIndex]) {
slouken@5380
   586
            return displayIndex;
slouken@5380
   587
        }
slouken@5380
   588
    }
slouken@5380
   589
slouken@5380
   590
    /* Couldn't find the display, just use index 0 */
slouken@5380
   591
    return 0;
slouken@5380
   592
}
slouken@5380
   593
slouken@5380
   594
int
slouken@5244
   595
SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect)
slouken@3528
   596
{
slouken@5244
   597
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   598
slouken@3528
   599
    if (rect) {
slouken@5244
   600
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@3528
   601
slouken@3528
   602
        if (_this->GetDisplayBounds) {
slouken@5249
   603
            if (_this->GetDisplayBounds(_this, display, rect) == 0) {
slouken@5249
   604
                return 0;
slouken@3528
   605
            }
slouken@5249
   606
        }
slouken@5249
   607
slouken@5249
   608
        /* Assume that the displays are left to right */
slouken@5249
   609
        if (displayIndex == 0) {
slouken@5249
   610
            rect->x = 0;
slouken@5249
   611
            rect->y = 0;
slouken@3528
   612
        } else {
slouken@5249
   613
            SDL_GetDisplayBounds(displayIndex-1, rect);
slouken@5249
   614
            rect->x += rect->w;
slouken@3528
   615
        }
slouken@5249
   616
        rect->w = display->desktop_mode.w;
slouken@5249
   617
        rect->h = display->desktop_mode.h;
slouken@3528
   618
    }
slouken@3528
   619
    return 0;
slouken@3528
   620
}
slouken@3528
   621
slouken@1895
   622
SDL_bool
slouken@3500
   623
SDL_AddDisplayMode(SDL_VideoDisplay * display,  const SDL_DisplayMode * mode)
slouken@0
   624
{
slouken@2753
   625
    SDL_DisplayMode *modes;
slouken@2753
   626
    int i, nmodes;
slouken@0
   627
slouken@2753
   628
    /* Make sure we don't already have the mode in the list */
slouken@2753
   629
    modes = display->display_modes;
slouken@2753
   630
    nmodes = display->num_display_modes;
slouken@2753
   631
    for (i = nmodes; i--;) {
slouken@2753
   632
        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
slouken@2753
   633
            return SDL_FALSE;
slouken@2753
   634
        }
slouken@2753
   635
    }
slouken@1895
   636
slouken@2753
   637
    /* Go ahead and add the new mode */
slouken@2753
   638
    if (nmodes == display->max_display_modes) {
slouken@2753
   639
        modes =
slouken@2753
   640
            SDL_realloc(modes,
slouken@2753
   641
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@2753
   642
        if (!modes) {
slouken@2753
   643
            return SDL_FALSE;
slouken@2753
   644
        }
slouken@2753
   645
        display->display_modes = modes;
slouken@2753
   646
        display->max_display_modes += 32;
slouken@2753
   647
    }
slouken@2753
   648
    modes[nmodes] = *mode;
slouken@2753
   649
    display->num_display_modes++;
slouken@1895
   650
lestat@3178
   651
    /* Re-sort video modes */
lestat@3178
   652
    SDL_qsort(display->display_modes, display->num_display_modes,
slouken@3186
   653
              sizeof(SDL_DisplayMode), cmpmodes);
lestat@3178
   654
slouken@2753
   655
    return SDL_TRUE;
slouken@0
   656
}
slouken@0
   657
slouken@5244
   658
static int
slouken@3500
   659
SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display)
slouken@3500
   660
{
slouken@3500
   661
    if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@3500
   662
        _this->GetDisplayModes(_this, display);
slouken@3500
   663
        SDL_qsort(display->display_modes, display->num_display_modes,
slouken@3500
   664
                  sizeof(SDL_DisplayMode), cmpmodes);
slouken@3500
   665
    }
slouken@3500
   666
    return display->num_display_modes;
slouken@3500
   667
}
slouken@3500
   668
slouken@3500
   669
int
slouken@5244
   670
SDL_GetNumDisplayModes(int displayIndex)
slouken@0
   671
{
slouken@5244
   672
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   673
slouken@5244
   674
    return SDL_GetNumDisplayModesForDisplay(&_this->displays[displayIndex]);
slouken@3500
   675
}
slouken@3500
   676
slouken@3500
   677
int
slouken@5244
   678
SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode * mode)
slouken@3500
   679
{
slouken@5244
   680
    SDL_VideoDisplay *display;
slouken@5244
   681
slouken@5244
   682
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   683
slouken@5244
   684
    display = &_this->displays[displayIndex];
slouken@3500
   685
    if (index < 0 || index >= SDL_GetNumDisplayModesForDisplay(display)) {
slouken@3500
   686
        SDL_SetError("index must be in the range of 0 - %d",
slouken@3500
   687
                     SDL_GetNumDisplayModesForDisplay(display) - 1);
slouken@3500
   688
        return -1;
slouken@3500
   689
    }
slouken@3500
   690
    if (mode) {
slouken@3500
   691
        *mode = display->display_modes[index];
slouken@2753
   692
    }
slouken@2753
   693
    return 0;
slouken@0
   694
}
slouken@0
   695
slouken@1967
   696
int
slouken@5244
   697
SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@0
   698
{
slouken@5244
   699
    SDL_VideoDisplay *display;
slouken@3500
   700
slouken@5244
   701
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   702
slouken@5244
   703
    display = &_this->displays[displayIndex];
slouken@2753
   704
    if (mode) {
slouken@3500
   705
        *mode = display->desktop_mode;
slouken@2753
   706
    }
slouken@2753
   707
    return 0;
slouken@0
   708
}
slouken@0
   709
slouken@1967
   710
int
slouken@5244
   711
SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@0
   712
{
slouken@5244
   713
    SDL_VideoDisplay *display;
slouken@3500
   714
slouken@5244
   715
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   716
slouken@5244
   717
    display = &_this->displays[displayIndex];
slouken@2753
   718
    if (mode) {
slouken@3500
   719
        *mode = display->current_mode;
slouken@2753
   720
    }
slouken@2753
   721
    return 0;
slouken@0
   722
}
slouken@0
   723
slouken@5244
   724
static SDL_DisplayMode *
slouken@3500
   725
SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display,
slouken@3500
   726
                                    const SDL_DisplayMode * mode,
slouken@3500
   727
                                    SDL_DisplayMode * closest)
slouken@0
   728
{
slouken@2753
   729
    Uint32 target_format;
slouken@2753
   730
    int target_refresh_rate;
slouken@2753
   731
    int i;
slouken@2753
   732
    SDL_DisplayMode *current, *match;
slouken@0
   733
slouken@3500
   734
    if (!mode || !closest) {
slouken@3500
   735
        SDL_SetError("Missing desired mode or closest mode parameter");
slouken@2753
   736
        return NULL;
slouken@2753
   737
    }
slouken@3500
   738
slouken@2753
   739
    /* Default to the desktop format */
slouken@2753
   740
    if (mode->format) {
slouken@2753
   741
        target_format = mode->format;
slouken@2753
   742
    } else {
slouken@3500
   743
        target_format = display->desktop_mode.format;
slouken@2753
   744
    }
slouken@0
   745
slouken@2753
   746
    /* Default to the desktop refresh rate */
slouken@2753
   747
    if (mode->refresh_rate) {
slouken@2753
   748
        target_refresh_rate = mode->refresh_rate;
slouken@2753
   749
    } else {
slouken@3500
   750
        target_refresh_rate = display->desktop_mode.refresh_rate;
slouken@2753
   751
    }
slouken@0
   752
slouken@2753
   753
    match = NULL;
slouken@3500
   754
    for (i = 0; i < SDL_GetNumDisplayModesForDisplay(display); ++i) {
slouken@3500
   755
        current = &display->display_modes[i];
slouken@0
   756
slouken@2789
   757
        if (current->w && (current->w < mode->w)) {
slouken@2753
   758
            /* Out of sorted modes large enough here */
slouken@2753
   759
            break;
slouken@2753
   760
        }
slouken@2789
   761
        if (current->h && (current->h < mode->h)) {
slouken@2789
   762
            if (current->w && (current->w == mode->w)) {
slouken@2789
   763
                /* Out of sorted modes large enough here */
slouken@2789
   764
                break;
slouken@2789
   765
            }
slouken@2789
   766
            /* Wider, but not tall enough, due to a different
slouken@2789
   767
               aspect ratio. This mode must be skipped, but closer
slouken@2789
   768
               modes may still follow. */
slouken@2789
   769
            continue;
slouken@2789
   770
        }
slouken@2753
   771
        if (!match || current->w < match->w || current->h < match->h) {
slouken@2753
   772
            match = current;
slouken@2753
   773
            continue;
slouken@2753
   774
        }
slouken@2753
   775
        if (current->format != match->format) {
slouken@2753
   776
            /* Sorted highest depth to lowest */
slouken@2753
   777
            if (current->format == target_format ||
slouken@2753
   778
                (SDL_BITSPERPIXEL(current->format) >=
slouken@2753
   779
                 SDL_BITSPERPIXEL(target_format)
slouken@2753
   780
                 && SDL_PIXELTYPE(current->format) ==
slouken@2753
   781
                 SDL_PIXELTYPE(target_format))) {
slouken@2753
   782
                match = current;
slouken@2753
   783
            }
slouken@2753
   784
            continue;
slouken@2753
   785
        }
slouken@2753
   786
        if (current->refresh_rate != match->refresh_rate) {
slouken@2753
   787
            /* Sorted highest refresh to lowest */
slouken@2753
   788
            if (current->refresh_rate >= target_refresh_rate) {
slouken@2753
   789
                match = current;
slouken@2753
   790
            }
slouken@2753
   791
        }
slouken@2753
   792
    }
slouken@2753
   793
    if (match) {
slouken@2753
   794
        if (match->format) {
slouken@2753
   795
            closest->format = match->format;
slouken@2753
   796
        } else {
slouken@2753
   797
            closest->format = mode->format;
slouken@2753
   798
        }
slouken@2753
   799
        if (match->w && match->h) {
slouken@2753
   800
            closest->w = match->w;
slouken@2753
   801
            closest->h = match->h;
slouken@2753
   802
        } else {
slouken@2753
   803
            closest->w = mode->w;
slouken@2753
   804
            closest->h = mode->h;
slouken@2753
   805
        }
slouken@2753
   806
        if (match->refresh_rate) {
slouken@2753
   807
            closest->refresh_rate = match->refresh_rate;
slouken@2753
   808
        } else {
slouken@2753
   809
            closest->refresh_rate = mode->refresh_rate;
slouken@2753
   810
        }
slouken@2753
   811
        closest->driverdata = match->driverdata;
slouken@1895
   812
slouken@2753
   813
        /*
slouken@2753
   814
         * Pick some reasonable defaults if the app and driver don't
slouken@2753
   815
         * care
slouken@2753
   816
         */
slouken@2753
   817
        if (!closest->format) {
slouken@2753
   818
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@2753
   819
        }
slouken@2753
   820
        if (!closest->w) {
slouken@2753
   821
            closest->w = 640;
slouken@2753
   822
        }
slouken@2753
   823
        if (!closest->h) {
slouken@2753
   824
            closest->h = 480;
slouken@2753
   825
        }
slouken@2753
   826
        return closest;
slouken@2753
   827
    }
slouken@2753
   828
    return NULL;
slouken@0
   829
}
slouken@0
   830
slouken@3500
   831
SDL_DisplayMode *
slouken@5244
   832
SDL_GetClosestDisplayMode(int displayIndex,
slouken@5244
   833
                          const SDL_DisplayMode * mode,
slouken@3500
   834
                          SDL_DisplayMode * closest)
slouken@3500
   835
{
slouken@5244
   836
    SDL_VideoDisplay *display;
slouken@5244
   837
slouken@5244
   838
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@5244
   839
slouken@5244
   840
    display = &_this->displays[displayIndex];
slouken@5244
   841
    return SDL_GetClosestDisplayModeForDisplay(display, mode, closest);
slouken@3500
   842
}
slouken@3500
   843
slouken@6044
   844
static int
slouken@3500
   845
SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode)
slouken@0
   846
{
slouken@2753
   847
    SDL_DisplayMode display_mode;
slouken@2753
   848
    SDL_DisplayMode current_mode;
slouken@0
   849
slouken@3502
   850
    if (mode) {
slouken@3502
   851
        display_mode = *mode;
slouken@3502
   852
slouken@3502
   853
        /* Default to the current mode */
slouken@3502
   854
        if (!display_mode.format) {
slouken@3502
   855
            display_mode.format = display->current_mode.format;
slouken@3502
   856
        }
slouken@3502
   857
        if (!display_mode.w) {
slouken@3502
   858
            display_mode.w = display->current_mode.w;
slouken@3502
   859
        }
slouken@3502
   860
        if (!display_mode.h) {
slouken@3502
   861
            display_mode.h = display->current_mode.h;
slouken@3502
   862
        }
slouken@3502
   863
        if (!display_mode.refresh_rate) {
slouken@3502
   864
            display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@3502
   865
        }
slouken@3502
   866
slouken@3502
   867
        /* Get a good video mode, the closest one possible */
slouken@3502
   868
        if (!SDL_GetClosestDisplayModeForDisplay(display, &display_mode, &display_mode)) {
slouken@3502
   869
            SDL_SetError("No video mode large enough for %dx%d",
slouken@3502
   870
                         display_mode.w, display_mode.h);
slouken@3502
   871
            return -1;
slouken@3502
   872
        }
slouken@3502
   873
    } else {
slouken@3502
   874
        display_mode = display->desktop_mode;
slouken@2753
   875
    }
slouken@3500
   876
slouken@2753
   877
    /* See if there's anything left to do */
slouken@5244
   878
    current_mode = display->current_mode;
slouken@2753
   879
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@2753
   880
        return 0;
slouken@2753
   881
    }
slouken@3500
   882
slouken@2753
   883
    /* Actually change the display mode */
slouken@4978
   884
    if (!_this->SetDisplayMode) {
slouken@4978
   885
        SDL_SetError("Video driver doesn't support changing display mode");
slouken@4978
   886
        return -1;
slouken@4978
   887
    }
slouken@3500
   888
    if (_this->SetDisplayMode(_this, display, &display_mode) < 0) {
slouken@2753
   889
        return -1;
slouken@2753
   890
    }
slouken@2753
   891
    display->current_mode = display_mode;
slouken@2753
   892
    return 0;
slouken@0
   893
}
slouken@0
   894
slouken@1895
   895
int
slouken@5373
   896
SDL_GetWindowDisplay(SDL_Window * window)
slouken@5246
   897
{
slouken@5246
   898
    int displayIndex;
slouken@5246
   899
    int i, dist;
slouken@5246
   900
    int closest = -1;
slouken@5246
   901
    int closest_dist = 0x7FFFFFFF;
slouken@5246
   902
    SDL_Point center;
slouken@5246
   903
    SDL_Point delta;
slouken@5246
   904
    SDL_Rect rect;
slouken@5246
   905
slouken@5246
   906
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5246
   907
slouken@5246
   908
    if (SDL_WINDOWPOS_ISUNDEFINED(window->x) ||
slouken@5246
   909
        SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@5246
   910
        displayIndex = (window->x & 0xFFFF);
slouken@5246
   911
        if (displayIndex >= _this->num_displays) {
slouken@5246
   912
            displayIndex = 0;
slouken@5246
   913
        }
slouken@5246
   914
        return displayIndex;
slouken@5246
   915
    }
slouken@5246
   916
    if (SDL_WINDOWPOS_ISUNDEFINED(window->y) ||
slouken@5246
   917
        SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@5246
   918
        displayIndex = (window->y & 0xFFFF);
slouken@5246
   919
        if (displayIndex >= _this->num_displays) {
slouken@5246
   920
            displayIndex = 0;
slouken@5246
   921
        }
slouken@5246
   922
        return displayIndex;
slouken@5246
   923
    }
slouken@5246
   924
slouken@5246
   925
    /* Find the display containing the window */
slouken@5246
   926
    center.x = window->x + window->w / 2;
slouken@5246
   927
    center.y = window->y + window->h / 2;
slouken@5246
   928
    for (i = 0; i < _this->num_displays; ++i) {
slouken@5246
   929
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@5246
   930
slouken@5246
   931
        SDL_GetDisplayBounds(i, &rect);
slouken@5246
   932
        if (display->fullscreen_window == window || SDL_EnclosePoints(&center, 1, &rect, NULL)) {
slouken@5246
   933
            return i;
slouken@5246
   934
        }
slouken@5246
   935
slouken@5246
   936
        delta.x = center.x - (rect.x + rect.w / 2);
slouken@5246
   937
        delta.y = center.y - (rect.y + rect.h / 2);
slouken@5246
   938
        dist = (delta.x*delta.x + delta.y*delta.y);
slouken@5246
   939
        if (dist < closest_dist) {
slouken@5246
   940
            closest = i;
slouken@5246
   941
            closest_dist = dist;
slouken@5246
   942
        }
slouken@5246
   943
    }
slouken@5246
   944
    if (closest < 0) {
slouken@5246
   945
        SDL_SetError("Couldn't find any displays");
slouken@5246
   946
    }
slouken@5246
   947
    return closest;
slouken@5246
   948
}
slouken@5246
   949
slouken@5246
   950
SDL_VideoDisplay *
slouken@5246
   951
SDL_GetDisplayForWindow(SDL_Window *window)
slouken@5246
   952
{
slouken@5373
   953
    int displayIndex = SDL_GetWindowDisplay(window);
slouken@5373
   954
    if (displayIndex >= 0) {
slouken@5373
   955
        return &_this->displays[displayIndex];
slouken@5373
   956
    } else {
slouken@5373
   957
        return NULL;
slouken@5373
   958
    }
slouken@5246
   959
}
slouken@5246
   960
slouken@5246
   961
int
slouken@3685
   962
SDL_SetWindowDisplayMode(SDL_Window * window, const SDL_DisplayMode * mode)
slouken@3500
   963
{
slouken@3695
   964
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3500
   965
slouken@2753
   966
    if (mode) {
slouken@3500
   967
        window->fullscreen_mode = *mode;
slouken@3500
   968
    } else {
slouken@3500
   969
        SDL_zero(window->fullscreen_mode);
slouken@3500
   970
    }
slouken@3526
   971
    return 0;
slouken@3500
   972
}
slouken@3500
   973
slouken@3500
   974
int
slouken@3685
   975
SDL_GetWindowDisplayMode(SDL_Window * window, SDL_DisplayMode * mode)
slouken@3500
   976
{
slouken@3500
   977
    SDL_DisplayMode fullscreen_mode;
slouken@3500
   978
slouken@3695
   979
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3500
   980
slouken@3500
   981
    fullscreen_mode = window->fullscreen_mode;
slouken@3500
   982
    if (!fullscreen_mode.w) {
slouken@3500
   983
        fullscreen_mode.w = window->w;
slouken@3500
   984
    }
slouken@3500
   985
    if (!fullscreen_mode.h) {
slouken@3500
   986
        fullscreen_mode.h = window->h;
slouken@3500
   987
    }
slouken@3500
   988
slouken@5246
   989
    if (!SDL_GetClosestDisplayModeForDisplay(SDL_GetDisplayForWindow(window),
slouken@3500
   990
                                             &fullscreen_mode,
slouken@3500
   991
                                             &fullscreen_mode)) {
slouken@3500
   992
        SDL_SetError("Couldn't find display mode match");
slouken@3500
   993
        return -1;
slouken@3500
   994
    }
slouken@3500
   995
slouken@3500
   996
    if (mode) {
slouken@3500
   997
        *mode = fullscreen_mode;
slouken@2753
   998
    }
slouken@2753
   999
    return 0;
slouken@0
  1000
}
slouken@0
  1001
slouken@5154
  1002
Uint32
slouken@5154
  1003
SDL_GetWindowPixelFormat(SDL_Window * window)
slouken@5154
  1004
{
slouken@5246
  1005
    SDL_VideoDisplay *display;
slouken@5246
  1006
slouken@5246
  1007
    CHECK_WINDOW_MAGIC(window, SDL_PIXELFORMAT_UNKNOWN);
slouken@5246
  1008
slouken@5246
  1009
    display = SDL_GetDisplayForWindow(window);
slouken@5246
  1010
    return display->current_mode.format;
slouken@5154
  1011
}
slouken@5154
  1012
slouken@3502
  1013
static void
slouken@5479
  1014
SDL_RestoreMousePosition(SDL_Window *window)
slouken@5479
  1015
{
slouken@5479
  1016
    int x, y;
slouken@5479
  1017
slouken@5479
  1018
    if (window == SDL_GetMouseFocus()) {
slouken@5479
  1019
        SDL_GetMouseState(&x, &y);
slouken@5479
  1020
        SDL_WarpMouseInWindow(window, x, y);
slouken@5479
  1021
    }
slouken@5479
  1022
}
slouken@5479
  1023
slouken@5479
  1024
static void
slouken@5404
  1025
SDL_UpdateFullscreenMode(SDL_Window * window, SDL_bool fullscreen)
slouken@3502
  1026
{
slouken@5246
  1027
    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5249
  1028
    SDL_Window *other;
slouken@3502
  1029
slouken@5404
  1030
    if (fullscreen) {
slouken@3502
  1031
        /* Hide any other fullscreen windows */
slouken@5249
  1032
        if (display->fullscreen_window &&
slouken@5249
  1033
            display->fullscreen_window != window) {
slouken@5246
  1034
            SDL_MinimizeWindow(display->fullscreen_window);
slouken@3502
  1035
        }
slouken@3502
  1036
    }
slouken@3502
  1037
slouken@5305
  1038
    /* See if anything needs to be done now */
slouken@5404
  1039
    if ((display->fullscreen_window == window) == fullscreen) {
slouken@5305
  1040
        return;
slouken@5305
  1041
    }
slouken@5305
  1042
slouken@5249
  1043
    /* See if there are any fullscreen windows */
slouken@5249
  1044
    for (other = _this->windows; other; other = other->next) {
slouken@5404
  1045
        SDL_bool setDisplayMode = SDL_FALSE;
slouken@5404
  1046
slouken@5404
  1047
        if (other == window) {
slouken@5404
  1048
            setDisplayMode = fullscreen;
slouken@5404
  1049
        } else if (FULLSCREEN_VISIBLE(other) &&
slouken@5404
  1050
                   SDL_GetDisplayForWindow(other) == display) {
slouken@5404
  1051
            setDisplayMode = SDL_TRUE;
slouken@5404
  1052
        }
slouken@5404
  1053
slouken@5404
  1054
        if (setDisplayMode) {
slouken@5249
  1055
            SDL_DisplayMode fullscreen_mode;
slouken@5404
  1056
slouken@5249
  1057
            if (SDL_GetWindowDisplayMode(other, &fullscreen_mode) == 0) {
slouken@5306
  1058
                SDL_bool resized = SDL_TRUE;
slouken@5306
  1059
slouken@5306
  1060
                if (other->w == fullscreen_mode.w && other->h == fullscreen_mode.h) {
slouken@5306
  1061
                    resized = SDL_FALSE;
slouken@5249
  1062
                }
slouken@3502
  1063
slouken@3502
  1064
                SDL_SetDisplayModeForDisplay(display, &fullscreen_mode);
slouken@5249
  1065
                if (_this->SetWindowFullscreen) {
slouken@5305
  1066
                    _this->SetWindowFullscreen(_this, other, display, SDL_TRUE);
slouken@5249
  1067
                }
slouken@5249
  1068
                display->fullscreen_window = other;
slouken@5249
  1069
slouken@5306
  1070
                /* Generate a mode change event here */
slouken@5306
  1071
                if (resized) {
slouken@5306
  1072
                    SDL_SendWindowEvent(other, SDL_WINDOWEVENT_RESIZED,
slouken@5306
  1073
                                        fullscreen_mode.w, fullscreen_mode.h);
slouken@5306
  1074
                } else {
slouken@5306
  1075
                    SDL_OnWindowResized(other);
slouken@5306
  1076
                }
slouken@5479
  1077
slouken@5479
  1078
                SDL_RestoreMousePosition(other);
slouken@3502
  1079
                return;
slouken@3502
  1080
            }
slouken@3502
  1081
        }
slouken@3502
  1082
    }
slouken@3502
  1083
slouken@3502
  1084
    /* Nope, restore the desktop mode */
slouken@3502
  1085
    SDL_SetDisplayModeForDisplay(display, NULL);
slouken@5249
  1086
slouken@5249
  1087
    if (_this->SetWindowFullscreen) {
slouken@5305
  1088
        _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
slouken@5249
  1089
    }
slouken@3517
  1090
    display->fullscreen_window = NULL;
slouken@5306
  1091
slouken@5306
  1092
    /* Generate a mode change event here */
slouken@5306
  1093
    SDL_OnWindowResized(window);
slouken@5479
  1094
slouken@5479
  1095
    /* Restore the cursor position */
slouken@5479
  1096
    SDL_RestoreMousePosition(window);
slouken@3502
  1097
}
slouken@3502
  1098
slouken@5380
  1099
#define CREATE_FLAGS \
slouken@5380
  1100
    (SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE)
slouken@5380
  1101
slouken@5380
  1102
static void
slouken@5380
  1103
SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
slouken@5380
  1104
{
slouken@5398
  1105
    window->windowed.x = window->x;
slouken@5398
  1106
    window->windowed.y = window->y;
slouken@5398
  1107
    window->windowed.w = window->w;
slouken@5398
  1108
    window->windowed.h = window->h;
slouken@5398
  1109
slouken@5380
  1110
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@5380
  1111
        SDL_MaximizeWindow(window);
slouken@5380
  1112
    }
slouken@5380
  1113
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@5380
  1114
        SDL_MinimizeWindow(window);
slouken@5380
  1115
    }
slouken@5380
  1116
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@5380
  1117
        SDL_SetWindowFullscreen(window, SDL_TRUE);
slouken@5380
  1118
    }
slouken@5380
  1119
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@5380
  1120
        SDL_SetWindowGrab(window, SDL_TRUE);
slouken@5380
  1121
    }
slouken@5380
  1122
    if (!(flags & SDL_WINDOW_HIDDEN)) {
slouken@5380
  1123
        SDL_ShowWindow(window);
slouken@5380
  1124
    }
slouken@5380
  1125
}
slouken@5380
  1126
slouken@3685
  1127
SDL_Window *
slouken@1895
  1128
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
  1129
{
slouken@3685
  1130
    SDL_Window *window;
slouken@0
  1131
slouken@2753
  1132
    if (!_this) {
slouken@3417
  1133
        /* Initialize the video system if needed */
slouken@5123
  1134
        if (SDL_VideoInit(NULL) < 0) {
slouken@3685
  1135
            return NULL;
slouken@3417
  1136
        }
slouken@2753
  1137
    }
slouken@5249
  1138
slouken@5249
  1139
    /* Some platforms have OpenGL enabled by default */
slouken@5249
  1140
#if (SDL_VIDEO_OPENGL && __MACOSX__) || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@5249
  1141
    flags |= SDL_WINDOW_OPENGL;
slouken@5249
  1142
#endif
slouken@3057
  1143
    if (flags & SDL_WINDOW_OPENGL) {
slouken@3057
  1144
        if (!_this->GL_CreateContext) {
slouken@3057
  1145
            SDL_SetError("No OpenGL support in video driver");
slouken@3685
  1146
            return NULL;
slouken@3057
  1147
        }
slouken@3057
  1148
        SDL_GL_LoadLibrary(NULL);
slouken@2753
  1149
    }
slouken@3685
  1150
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@3695
  1151
    window->magic = &_this->window_magic;
slouken@3685
  1152
    window->id = _this->next_object_id++;
slouken@3685
  1153
    window->x = x;
slouken@3685
  1154
    window->y = y;
slouken@3685
  1155
    window->w = w;
slouken@3685
  1156
    window->h = h;
slouken@5380
  1157
    if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISUNDEFINED(y) ||
slouken@5380
  1158
        SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@5380
  1159
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5380
  1160
        int displayIndex;
slouken@5380
  1161
        SDL_Rect bounds;
slouken@5380
  1162
slouken@5380
  1163
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@5380
  1164
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@5404
  1165
        if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@5380
  1166
            window->x = bounds.x + (bounds.w - w) / 2;
slouken@5380
  1167
        }
slouken@5380
  1168
        if (SDL_WINDOWPOS_ISUNDEFINED(y) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@5380
  1169
            window->y = bounds.y + (bounds.h - h) / 2;
slouken@5380
  1170
        }
slouken@5380
  1171
    }
slouken@5380
  1172
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
slouken@5466
  1173
    window->brightness = 1.0f;
slouken@5246
  1174
    window->next = _this->windows;
slouken@5246
  1175
    if (_this->windows) {
slouken@5246
  1176
        _this->windows->prev = window;
slouken@3693
  1177
    }
slouken@5246
  1178
    _this->windows = window;
slouken@3685
  1179
slouken@3685
  1180
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@3685
  1181
        SDL_DestroyWindow(window);
slouken@3685
  1182
        return NULL;
slouken@3685
  1183
    }
slouken@0
  1184
slouken@2753
  1185
    if (title) {
slouken@3685
  1186
        SDL_SetWindowTitle(window, title);
slouken@2753
  1187
    }
slouken@5380
  1188
    SDL_FinishWindowCreation(window, flags);
slouken@6063
  1189
    
slouken@6063
  1190
    /* If the window was created fullscreen, make sure the mode code matches */
slouken@6063
  1191
    SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window));
slouken@3685
  1192
slouken@3685
  1193
    return window;
slouken@1895
  1194
}
slouken@0
  1195
slouken@3685
  1196
SDL_Window *
slouken@1895
  1197
SDL_CreateWindowFrom(const void *data)
slouken@1895
  1198
{
slouken@3685
  1199
    SDL_Window *window;
slouken@0
  1200
slouken@2753
  1201
    if (!_this) {
slouken@2753
  1202
        SDL_UninitializedVideo();
slouken@3685
  1203
        return NULL;
slouken@3685
  1204
    }
slouken@3685
  1205
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@3695
  1206
    window->magic = &_this->window_magic;
slouken@3685
  1207
    window->id = _this->next_object_id++;
slouken@3685
  1208
    window->flags = SDL_WINDOW_FOREIGN;
slouken@5466
  1209
    window->brightness = 1.0f;
slouken@5246
  1210
    window->next = _this->windows;
slouken@5246
  1211
    if (_this->windows) {
slouken@5246
  1212
        _this->windows->prev = window;
slouken@3693
  1213
    }
slouken@5246
  1214
    _this->windows = window;
slouken@1895
  1215
slouken@2753
  1216
    if (!_this->CreateWindowFrom ||
slouken@3685
  1217
        _this->CreateWindowFrom(_this, window, data) < 0) {
slouken@3685
  1218
        SDL_DestroyWindow(window);
slouken@3685
  1219
        return NULL;
slouken@3685
  1220
    }
slouken@3685
  1221
    return window;
slouken@1895
  1222
}
slouken@1895
  1223
slouken@1924
  1224
int
slouken@1928
  1225
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
  1226
{
slouken@2753
  1227
    char *title = window->title;
slouken@1956
  1228
slouken@2753
  1229
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@2753
  1230
        SDL_SetError("No OpenGL support in video driver");
slouken@2753
  1231
        return -1;
slouken@2753
  1232
    }
slouken@3057
  1233
slouken@3057
  1234
    if (window->flags & SDL_WINDOW_FOREIGN) {
slouken@3057
  1235
        /* Can't destroy and re-create foreign windows, hrm */
slouken@3057
  1236
        flags |= SDL_WINDOW_FOREIGN;
slouken@3057
  1237
    } else {
slouken@3057
  1238
        flags &= ~SDL_WINDOW_FOREIGN;
slouken@3057
  1239
    }
slouken@3057
  1240
slouken@5249
  1241
    /* Restore video mode, etc. */
slouken@5305
  1242
    SDL_HideWindow(window);
slouken@5249
  1243
slouken@5249
  1244
    /* Tear down the old native window */
slouken@5249
  1245
    if (window->surface) {
slouken@5288
  1246
        window->surface->flags &= ~SDL_DONTFREE;
slouken@5249
  1247
        SDL_FreeSurface(window->surface);
slouken@5249
  1248
    }
slouken@5249
  1249
    if (_this->DestroyWindowFramebuffer) {
slouken@5249
  1250
        _this->DestroyWindowFramebuffer(_this, window);
slouken@5249
  1251
    }
slouken@3057
  1252
    if (_this->DestroyWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@2753
  1253
        _this->DestroyWindow(_this, window);
slouken@2753
  1254
    }
slouken@3057
  1255
slouken@5249
  1256
    if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
slouken@5249
  1257
        if (flags & SDL_WINDOW_OPENGL) {
slouken@5249
  1258
            SDL_GL_LoadLibrary(NULL);
slouken@5249
  1259
        } else {
slouken@5249
  1260
            SDL_GL_UnloadLibrary();
slouken@5249
  1261
        }
slouken@5249
  1262
    }
slouken@5249
  1263
slouken@2753
  1264
    window->title = NULL;
slouken@5380
  1265
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
slouken@1956
  1266
slouken@3057
  1267
    if (_this->CreateWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@3057
  1268
        if (_this->CreateWindow(_this, window) < 0) {
slouken@3057
  1269
            if (flags & SDL_WINDOW_OPENGL) {
slouken@3057
  1270
                SDL_GL_UnloadLibrary();
slouken@3057
  1271
            }
slouken@3057
  1272
            return -1;
slouken@3057
  1273
        }
slouken@2753
  1274
    }
slouken@3057
  1275
slouken@2753
  1276
    if (title) {
slouken@3685
  1277
        SDL_SetWindowTitle(window, title);
slouken@2753
  1278
        SDL_free(title);
slouken@2753
  1279
    }
slouken@5380
  1280
    SDL_FinishWindowCreation(window, flags);
slouken@2875
  1281
slouken@2753
  1282
    return 0;
slouken@1924
  1283
}
slouken@1924
  1284
slouken@1895
  1285
Uint32
slouken@3685
  1286
SDL_GetWindowID(SDL_Window * window)
slouken@1895
  1287
{
slouken@3695
  1288
    CHECK_WINDOW_MAGIC(window, 0);
slouken@3695
  1289
slouken@3685
  1290
    return window->id;
slouken@3685
  1291
}
slouken@3685
  1292
slouken@3685
  1293
SDL_Window *
slouken@3685
  1294
SDL_GetWindowFromID(Uint32 id)
slouken@3685
  1295
{
slouken@3685
  1296
    SDL_Window *window;
slouken@3685
  1297
slouken@3685
  1298
    if (!_this) {
slouken@3685
  1299
        return NULL;
slouken@3685
  1300
    }
slouken@5246
  1301
    for (window = _this->windows; window; window = window->next) {
slouken@5246
  1302
        if (window->id == id) {
slouken@5246
  1303
            return window;
slouken@3685
  1304
        }
slouken@3685
  1305
    }
slouken@3685
  1306
    return NULL;
slouken@3685
  1307
}
slouken@3685
  1308
slouken@3685
  1309
Uint32
slouken@3685
  1310
SDL_GetWindowFlags(SDL_Window * window)
slouken@3685
  1311
{
slouken@3695
  1312
    CHECK_WINDOW_MAGIC(window, 0);
slouken@3695
  1313
slouken@2753
  1314
    return window->flags;
slouken@1895
  1315
}
slouken@1895
  1316
slouken@1895
  1317
void
slouken@3685
  1318
SDL_SetWindowTitle(SDL_Window * window, const char *title)
slouken@1895
  1319
{
slouken@3695
  1320
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1321
slouken@3695
  1322
    if (title == window->title) {
slouken@2753
  1323
        return;
slouken@2753
  1324
    }
slouken@2753
  1325
    if (window->title) {
slouken@2753
  1326
        SDL_free(window->title);
slouken@2753
  1327
    }
slouken@4871
  1328
    if (title && *title) {
slouken@2753
  1329
        window->title = SDL_strdup(title);
slouken@2753
  1330
    } else {
slouken@2753
  1331
        window->title = NULL;
slouken@2753
  1332
    }
slouken@1956
  1333
slouken@2753
  1334
    if (_this->SetWindowTitle) {
slouken@2753
  1335
        _this->SetWindowTitle(_this, window);
slouken@2753
  1336
    }
slouken@1895
  1337
}
slouken@1895
  1338
slouken@2753
  1339
const char *
slouken@3685
  1340
SDL_GetWindowTitle(SDL_Window * window)
slouken@1895
  1341
{
slouken@4872
  1342
    CHECK_WINDOW_MAGIC(window, "");
slouken@3695
  1343
slouken@4871
  1344
    return window->title ? window->title : "";
slouken@1895
  1345
}
slouken@1895
  1346
slouken@1895
  1347
void
slouken@3685
  1348
SDL_SetWindowIcon(SDL_Window * window, SDL_Surface * icon)
slouken@2967
  1349
{
slouken@3695
  1350
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1351
slouken@5375
  1352
    if (!icon) {
slouken@5375
  1353
        return;
slouken@5375
  1354
    }
slouken@5375
  1355
slouken@2967
  1356
    if (_this->SetWindowIcon) {
slouken@2967
  1357
        _this->SetWindowIcon(_this, window, icon);
slouken@2967
  1358
    }
slouken@2967
  1359
}
slouken@2967
  1360
slouken@5165
  1361
void*
slouken@5165
  1362
SDL_SetWindowData(SDL_Window * window, const char *name, void *userdata)
slouken@1895
  1363
{
slouken@5165
  1364
    SDL_WindowUserData *prev, *data;
slouken@3695
  1365
slouken@5165
  1366
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@5165
  1367
slouken@5165
  1368
    /* See if the named data already exists */
slouken@5165
  1369
    prev = NULL;
slouken@5165
  1370
    for (data = window->data; data; prev = data, data = data->next) {
slouken@5165
  1371
        if (SDL_strcmp(data->name, name) == 0) {
slouken@5165
  1372
            void *last_value = data->data;
slouken@5165
  1373
slouken@5165
  1374
            if (userdata) {
slouken@5165
  1375
                /* Set the new value */
slouken@5165
  1376
                data->data = userdata;
slouken@5165
  1377
            } else {
slouken@5165
  1378
                /* Delete this value */
slouken@5165
  1379
                if (prev) {
slouken@5165
  1380
                    prev->next = data->next;
slouken@5165
  1381
                } else {
slouken@5165
  1382
                    window->data = data->next;
slouken@5165
  1383
                }
slouken@5165
  1384
                SDL_free(data->name);
slouken@5165
  1385
                SDL_free(data);
slouken@5165
  1386
            }
slouken@5165
  1387
            return last_value;
slouken@5165
  1388
        }
slouken@5165
  1389
    }
slouken@5165
  1390
slouken@5165
  1391
    /* Add new data to the window */
slouken@5165
  1392
    if (userdata) {
slouken@5165
  1393
        data = (SDL_WindowUserData *)SDL_malloc(sizeof(*data));
slouken@5165
  1394
        data->name = SDL_strdup(name);
slouken@5165
  1395
        data->data = userdata;
slouken@5165
  1396
        data->next = window->data;
slouken@5165
  1397
        window->data = data;
slouken@5165
  1398
    }
slouken@5165
  1399
    return NULL;
slouken@1895
  1400
}
slouken@1895
  1401
slouken@2753
  1402
void *
slouken@5165
  1403
SDL_GetWindowData(SDL_Window * window, const char *name)
slouken@1895
  1404
{
slouken@5165
  1405
    SDL_WindowUserData *data;
slouken@5165
  1406
slouken@3695
  1407
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@3695
  1408
slouken@5165
  1409
    for (data = window->data; data; data = data->next) {
slouken@5165
  1410
        if (SDL_strcmp(data->name, name) == 0) {
slouken@5165
  1411
            return data->data;
slouken@5165
  1412
        }
slouken@5165
  1413
    }
slouken@5165
  1414
    return NULL;
slouken@1895
  1415
}
slouken@1895
  1416
slouken@1895
  1417
void
slouken@3685
  1418
SDL_SetWindowPosition(SDL_Window * window, int x, int y)
slouken@1895
  1419
{
slouken@3695
  1420
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1421
slouken@5305
  1422
    if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@2753
  1423
        window->x = x;
slouken@2753
  1424
    }
slouken@5305
  1425
    if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@2753
  1426
        window->y = y;
slouken@2753
  1427
    }
slouken@5478
  1428
    if (SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@5478
  1429
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5478
  1430
        int displayIndex;
slouken@5478
  1431
        SDL_Rect bounds;
slouken@5478
  1432
slouken@5478
  1433
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@5478
  1434
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@5478
  1435
        if (SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@5478
  1436
            window->x = bounds.x + (bounds.w - window->w) / 2;
slouken@5478
  1437
        }
slouken@5478
  1438
        if (SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@5478
  1439
            window->y = bounds.y + (bounds.h - window->h) / 2;
slouken@5478
  1440
        }
slouken@5478
  1441
    }
slouken@5246
  1442
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@5246
  1443
        if (_this->SetWindowPosition) {
slouken@5246
  1444
            _this->SetWindowPosition(_this, window);
slouken@5246
  1445
        }
slouken@5246
  1446
        SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@2753
  1447
    }
slouken@1895
  1448
}
slouken@1895
  1449
slouken@1895
  1450
void
slouken@3685
  1451
SDL_GetWindowPosition(SDL_Window * window, int *x, int *y)
slouken@1895
  1452
{
slouken@5246
  1453
    /* Clear the values */
slouken@5246
  1454
    if (x) {
slouken@5246
  1455
        *x = 0;
slouken@5246
  1456
    }
slouken@5246
  1457
    if (y) {
slouken@5246
  1458
        *y = 0;
slouken@5246
  1459
    }
slouken@5246
  1460
slouken@5246
  1461
    CHECK_WINDOW_MAGIC(window, );
slouken@5246
  1462
slouken@5246
  1463
    /* Fullscreen windows are always at their display's origin */
slouken@5246
  1464
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
  1465
    } else {
slouken@5242
  1466
        if (x) {
slouken@5242
  1467
            *x = window->x;
slouken@5242
  1468
        }
slouken@5242
  1469
        if (y) {
slouken@5242
  1470
            *y = window->y;
slouken@5242
  1471
        }
slouken@2753
  1472
    }
slouken@1895
  1473
}
slouken@1895
  1474
slouken@1895
  1475
void
slouken@3685
  1476
SDL_SetWindowSize(SDL_Window * window, int w, int h)
slouken@1895
  1477
{
slouken@3695
  1478
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1479
slouken@5249
  1480
    /* FIXME: Should this change fullscreen modes? */
slouken@5249
  1481
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@5276
  1482
        window->w = w;
slouken@5276
  1483
        window->h = h;
slouken@5249
  1484
        if (_this->SetWindowSize) {
slouken@5249
  1485
            _this->SetWindowSize(_this, window);
slouken@5249
  1486
        }
slouken@5276
  1487
        if (window->w == w && window->h == h) {
slouken@5276
  1488
            /* We didn't get a SDL_WINDOWEVENT_RESIZED event (by design) */
slouken@5276
  1489
            SDL_OnWindowResized(window);
slouken@5276
  1490
        }
slouken@2753
  1491
    }
slouken@1895
  1492
}
slouken@1895
  1493
slouken@1895
  1494
void
slouken@3685
  1495
SDL_GetWindowSize(SDL_Window * window, int *w, int *h)
slouken@1895
  1496
{
slouken@5246
  1497
    int dummy;
slouken@5246
  1498
slouken@5246
  1499
    if (!w) {
slouken@5246
  1500
        w = &dummy;
slouken@5246
  1501
    }
slouken@5246
  1502
    if (!h) {
slouken@5246
  1503
        h = &dummy;
slouken@5246
  1504
    }
slouken@5246
  1505
slouken@5246
  1506
    *w = 0;
slouken@5246
  1507
    *h = 0;
slouken@5246
  1508
slouken@5246
  1509
    CHECK_WINDOW_MAGIC(window, );
slouken@5246
  1510
slouken@5242
  1511
    if (_this && window && window->magic == &_this->window_magic) {
slouken@2849
  1512
        if (w) {
slouken@2849
  1513
            *w = window->w;
slouken@2849
  1514
        }
slouken@2849
  1515
        if (h) {
slouken@2849
  1516
            *h = window->h;
slouken@2849
  1517
        }
slouken@2849
  1518
    } else {
slouken@2849
  1519
        if (w) {
slouken@2849
  1520
            *w = 0;
slouken@2849
  1521
        }
slouken@2849
  1522
        if (h) {
slouken@2849
  1523
            *h = 0;
slouken@2849
  1524
        }
slouken@2753
  1525
    }
slouken@1895
  1526
}
slouken@1895
  1527
slouken@1895
  1528
void
slouken@3685
  1529
SDL_ShowWindow(SDL_Window * window)
slouken@1895
  1530
{
slouken@3695
  1531
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1532
slouken@3695
  1533
    if (window->flags & SDL_WINDOW_SHOWN) {
slouken@2753
  1534
        return;
slouken@2753
  1535
    }
slouken@1895
  1536
slouken@2753
  1537
    if (_this->ShowWindow) {
slouken@2753
  1538
        _this->ShowWindow(_this, window);
slouken@2753
  1539
    }
slouken@3685
  1540
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1541
}
slouken@1895
  1542
slouken@1895
  1543
void
slouken@3685
  1544
SDL_HideWindow(SDL_Window * window)
slouken@1895
  1545
{
slouken@3695
  1546
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1547
slouken@3695
  1548
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@2753
  1549
        return;
slouken@2753
  1550
    }
slouken@1895
  1551
slouken@5404
  1552
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@5404
  1553
slouken@2753
  1554
    if (_this->HideWindow) {
slouken@2753
  1555
        _this->HideWindow(_this, window);
slouken@2753
  1556
    }
slouken@3685
  1557
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1558
}
slouken@1895
  1559
slouken@1895
  1560
void
slouken@3685
  1561
SDL_RaiseWindow(SDL_Window * window)
slouken@1895
  1562
{
slouken@3695
  1563
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1564
slouken@3695
  1565
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@2753
  1566
        return;
slouken@2753
  1567
    }
slouken@2753
  1568
    if (_this->RaiseWindow) {
slouken@2753
  1569
        _this->RaiseWindow(_this, window);
slouken@2753
  1570
    }
slouken@1895
  1571
}
slouken@1895
  1572
slouken@1895
  1573
void
slouken@3685
  1574
SDL_MaximizeWindow(SDL_Window * window)
slouken@1895
  1575
{
slouken@3695
  1576
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1577
slouken@3695
  1578
    if (window->flags & SDL_WINDOW_MAXIMIZED) {
slouken@2753
  1579
        return;
slouken@2753
  1580
    }
slouken@1895
  1581
slouken@2753
  1582
    if (_this->MaximizeWindow) {
slouken@2753
  1583
        _this->MaximizeWindow(_this, window);
slouken@2753
  1584
    }
slouken@1895
  1585
}
slouken@1895
  1586
slouken@1895
  1587
void
slouken@3685
  1588
SDL_MinimizeWindow(SDL_Window * window)
slouken@1895
  1589
{
slouken@3695
  1590
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1591
slouken@3695
  1592
    if (window->flags & SDL_WINDOW_MINIMIZED) {
slouken@2753
  1593
        return;
slouken@2753
  1594
    }
slouken@1895
  1595
slouken@5404
  1596
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@5404
  1597
slouken@2753
  1598
    if (_this->MinimizeWindow) {
slouken@2753
  1599
        _this->MinimizeWindow(_this, window);
slouken@2753
  1600
    }
slouken@1895
  1601
}
slouken@1895
  1602
slouken@1895
  1603
void
slouken@3685
  1604
SDL_RestoreWindow(SDL_Window * window)
slouken@1895
  1605
{
slouken@3695
  1606
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1607
slouken@3695
  1608
    if (!(window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@2753
  1609
        return;
slouken@2753
  1610
    }
slouken@1895
  1611
slouken@2753
  1612
    if (_this->RestoreWindow) {
slouken@2753
  1613
        _this->RestoreWindow(_this, window);
slouken@2753
  1614
    }
slouken@1895
  1615
}
slouken@1895
  1616
slouken@1895
  1617
int
slouken@5246
  1618
SDL_SetWindowFullscreen(SDL_Window * window, SDL_bool fullscreen)
slouken@1895
  1619
{
slouken@3695
  1620
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3695
  1621
slouken@5404
  1622
    if (!!fullscreen == !!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@2753
  1623
        return 0;
slouken@2753
  1624
    }
slouken@2753
  1625
    if (fullscreen) {
slouken@2753
  1626
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@2753
  1627
    } else {
slouken@2753
  1628
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@5305
  1629
    }
slouken@5404
  1630
    SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window));
slouken@1895
  1631
slouken@2753
  1632
    return 0;
slouken@1895
  1633
}
slouken@1895
  1634
slouken@5166
  1635
static SDL_Surface *
slouken@5166
  1636
SDL_CreateWindowFramebuffer(SDL_Window * window)
slouken@5166
  1637
{
slouken@5166
  1638
    Uint32 format;
slouken@5166
  1639
    void *pixels;
slouken@5166
  1640
    int pitch;
slouken@5166
  1641
    int bpp;
slouken@5166
  1642
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@5166
  1643
slouken@5166
  1644
    if (!_this->CreateWindowFramebuffer || !_this->UpdateWindowFramebuffer) {
slouken@5166
  1645
        return NULL;
slouken@5166
  1646
    }
slouken@5166
  1647
slouken@5166
  1648
    if (_this->CreateWindowFramebuffer(_this, window, &format, &pixels, &pitch) < 0) {
slouken@5166
  1649
        return NULL;
slouken@5166
  1650
    }
slouken@5166
  1651
slouken@5166
  1652
    if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@5166
  1653
        return NULL;
slouken@5166
  1654
    }
slouken@5166
  1655
slouken@5166
  1656
    return SDL_CreateRGBSurfaceFrom(pixels, window->w, window->h, bpp, pitch, Rmask, Gmask, Bmask, Amask);
slouken@5166
  1657
}
slouken@5166
  1658
slouken@5166
  1659
SDL_Surface *
slouken@5166
  1660
SDL_GetWindowSurface(SDL_Window * window)
slouken@5166
  1661
{
slouken@5166
  1662
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@5166
  1663
slouken@5172
  1664
    if (!window->surface_valid) {
slouken@5172
  1665
        if (window->surface) {
slouken@5288
  1666
            window->surface->flags &= ~SDL_DONTFREE;
slouken@5172
  1667
            SDL_FreeSurface(window->surface);
slouken@5172
  1668
        }
slouken@5166
  1669
        window->surface = SDL_CreateWindowFramebuffer(window);
slouken@5169
  1670
        if (window->surface) {
slouken@5172
  1671
            window->surface_valid = SDL_TRUE;
slouken@5288
  1672
            window->surface->flags |= SDL_DONTFREE;
slouken@5169
  1673
        }
slouken@5166
  1674
    }
slouken@5166
  1675
    return window->surface;
slouken@5166
  1676
}
slouken@5166
  1677
slouken@5166
  1678
int
slouken@5166
  1679
SDL_UpdateWindowSurface(SDL_Window * window)
slouken@5166
  1680
{
slouken@5166
  1681
    SDL_Rect full_rect;
slouken@5166
  1682
slouken@5166
  1683
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5166
  1684
slouken@5166
  1685
    full_rect.x = 0;
slouken@5166
  1686
    full_rect.y = 0;
slouken@5166
  1687
    full_rect.w = window->w;
slouken@5166
  1688
    full_rect.h = window->h;
slouken@5297
  1689
    return SDL_UpdateWindowSurfaceRects(window, &full_rect, 1);
slouken@5166
  1690
}
slouken@5166
  1691
slouken@5166
  1692
int
slouken@5297
  1693
SDL_UpdateWindowSurfaceRects(SDL_Window * window, SDL_Rect * rects,
slouken@5297
  1694
                             int numrects)
slouken@5166
  1695
{
slouken@5166
  1696
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5166
  1697
slouken@5172
  1698
    if (!window->surface_valid) {
slouken@5166
  1699
        SDL_SetError("Window surface is invalid, please call SDL_GetWindowSurface() to get a new surface");
slouken@5166
  1700
        return -1;
slouken@5166
  1701
    }
slouken@5166
  1702
slouken@5297
  1703
    return _this->UpdateWindowFramebuffer(_this, window, rects, numrects);
slouken@5166
  1704
}
slouken@5166
  1705
slouken@5466
  1706
int
slouken@5466
  1707
SDL_SetWindowBrightness(SDL_Window * window, float brightness)
slouken@5466
  1708
{
slouken@5466
  1709
    Uint16 ramp[256];
slouken@5466
  1710
    int status;
slouken@5466
  1711
slouken@5466
  1712
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5466
  1713
slouken@5466
  1714
    SDL_CalculateGammaRamp(brightness, ramp);
slouken@5466
  1715
    status = SDL_SetWindowGammaRamp(window, ramp, ramp, ramp);
slouken@5466
  1716
    if (status == 0) {
slouken@5466
  1717
        window->brightness = brightness;
slouken@5466
  1718
    }
slouken@5466
  1719
    return status;
slouken@5466
  1720
}
slouken@5466
  1721
slouken@5466
  1722
float
slouken@5466
  1723
SDL_GetWindowBrightness(SDL_Window * window)
slouken@5466
  1724
{
slouken@5466
  1725
    CHECK_WINDOW_MAGIC(window, 1.0f);
slouken@5466
  1726
slouken@5466
  1727
    return window->brightness;
slouken@5466
  1728
}
slouken@5466
  1729
slouken@5466
  1730
int
slouken@5466
  1731
SDL_SetWindowGammaRamp(SDL_Window * window, const Uint16 * red,
slouken@5466
  1732
                                            const Uint16 * green,
slouken@5466
  1733
                                            const Uint16 * blue)
slouken@5466
  1734
{
slouken@5466
  1735
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5466
  1736
slouken@5466
  1737
    if (!_this->SetWindowGammaRamp) {
slouken@5466
  1738
        SDL_Unsupported();
slouken@5466
  1739
        return -1;
slouken@5466
  1740
    }
slouken@5466
  1741
slouken@5466
  1742
    if (!window->gamma) {
slouken@5466
  1743
        if (SDL_GetWindowGammaRamp(window, NULL, NULL, NULL) < 0) {
slouken@5466
  1744
            return -1;
slouken@5466
  1745
        }
slouken@5466
  1746
    }
slouken@5466
  1747
slouken@5466
  1748
    if (red) {
slouken@5466
  1749
        SDL_memcpy(&window->gamma[0*256], red, 256*sizeof(Uint16));
slouken@5466
  1750
    }
slouken@5466
  1751
    if (green) {
slouken@5466
  1752
        SDL_memcpy(&window->gamma[1*256], green, 256*sizeof(Uint16));
slouken@5466
  1753
    }
slouken@5466
  1754
    if (blue) {
slouken@5466
  1755
        SDL_memcpy(&window->gamma[2*256], blue, 256*sizeof(Uint16));
slouken@5466
  1756
    }
slouken@5466
  1757
    if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@5466
  1758
        return _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@5466
  1759
    } else {
slouken@5466
  1760
        return 0;
slouken@5466
  1761
    }
slouken@5466
  1762
}
slouken@5466
  1763
slouken@5466
  1764
int
slouken@5466
  1765
SDL_GetWindowGammaRamp(SDL_Window * window, Uint16 * red,
slouken@5466
  1766
                                            Uint16 * green,
slouken@5466
  1767
                                            Uint16 * blue)
slouken@5466
  1768
{
slouken@5466
  1769
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5466
  1770
slouken@5466
  1771
    if (!window->gamma) {
slouken@5466
  1772
        int i;
slouken@5466
  1773
slouken@5466
  1774
        window->gamma = (Uint16 *)SDL_malloc(256*6*sizeof(Uint16));
slouken@5466
  1775
        if (!window->gamma) {
slouken@5466
  1776
            SDL_OutOfMemory();
slouken@5466
  1777
            return -1;
slouken@5466
  1778
        }
slouken@5466
  1779
        window->saved_gamma = window->gamma + 3*256;
slouken@5466
  1780
slouken@5466
  1781
        if (_this->GetWindowGammaRamp) {
slouken@5466
  1782
            if (_this->GetWindowGammaRamp(_this, window, window->gamma) < 0) {
slouken@5466
  1783
                return -1;
slouken@5466
  1784
            }
slouken@5466
  1785
        } else {
slouken@5466
  1786
            /* Create an identity gamma ramp */
slouken@5466
  1787
            for (i = 0; i < 256; ++i) {
slouken@5466
  1788
                Uint16 value = (Uint16)((i << 8) | i);
slouken@5466
  1789
slouken@5466
  1790
                window->gamma[0*256+i] = value;
slouken@5466
  1791
                window->gamma[1*256+i] = value;
slouken@5466
  1792
                window->gamma[2*256+i] = value;
slouken@5466
  1793
            }
slouken@5466
  1794
        }
slouken@5466
  1795
        SDL_memcpy(window->saved_gamma, window->gamma, 3*256*sizeof(Uint16));
slouken@5466
  1796
    }
slouken@5466
  1797
slouken@5466
  1798
    if (red) {
slouken@5466
  1799
        SDL_memcpy(red, &window->gamma[0*256], 256*sizeof(Uint16));
slouken@5466
  1800
    }
slouken@5466
  1801
    if (green) {
slouken@5466
  1802
        SDL_memcpy(green, &window->gamma[1*256], 256*sizeof(Uint16));
slouken@5466
  1803
    }
slouken@5466
  1804
    if (blue) {
slouken@5466
  1805
        SDL_memcpy(blue, &window->gamma[2*256], 256*sizeof(Uint16));
slouken@5466
  1806
    }
slouken@5466
  1807
    return 0;
slouken@5466
  1808
}
slouken@5466
  1809
slouken@2875
  1810
static void
slouken@2876
  1811
SDL_UpdateWindowGrab(SDL_Window * window)
slouken@2875
  1812
{
slouken@2753
  1813
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@2753
  1814
        _this->SetWindowGrab(_this, window);
slouken@2753
  1815
    }
slouken@1895
  1816
}
slouken@1895
  1817
slouken@5403
  1818
void
slouken@5403
  1819
SDL_SetWindowGrab(SDL_Window * window, SDL_bool grabbed)
slouken@5403
  1820
{
slouken@5403
  1821
    CHECK_WINDOW_MAGIC(window, );
slouken@5403
  1822
slouken@5404
  1823
    if (!!grabbed == !!(window->flags & SDL_WINDOW_INPUT_GRABBED)) {
slouken@5403
  1824
        return;
slouken@5403
  1825
    }
slouken@5403
  1826
    if (grabbed) {
slouken@5403
  1827
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@5403
  1828
    } else {
slouken@5403
  1829
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@5403
  1830
    }
slouken@5403
  1831
    SDL_UpdateWindowGrab(window);
slouken@5403
  1832
}
slouken@5403
  1833
slouken@5403
  1834
SDL_bool
slouken@3685
  1835
SDL_GetWindowGrab(SDL_Window * window)
slouken@1895
  1836
{
slouken@5466
  1837
    CHECK_WINDOW_MAGIC(window, SDL_FALSE);
slouken@3695
  1838
slouken@2753
  1839
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1840
}
slouken@1895
  1841
slouken@1895
  1842
void
slouken@1895
  1843
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1844
{
slouken@5404
  1845
    SDL_OnWindowRestored(window);
slouken@1895
  1846
}
slouken@1895
  1847
slouken@1895
  1848
void
slouken@1895
  1849
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1850
{
slouken@5404
  1851
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@1895
  1852
}
slouken@1895
  1853
slouken@1895
  1854
void
slouken@5166
  1855
SDL_OnWindowResized(SDL_Window * window)
slouken@5166
  1856
{
slouken@5172
  1857
    window->surface_valid = SDL_FALSE;
slouken@5276
  1858
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
slouken@5166
  1859
}
slouken@5166
  1860
slouken@5166
  1861
void
slouken@3502
  1862
SDL_OnWindowMinimized(SDL_Window * window)
slouken@3502
  1863
{
slouken@5404
  1864
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@3502
  1865
}
slouken@3502
  1866
slouken@3502
  1867
void
slouken@3502
  1868
SDL_OnWindowRestored(SDL_Window * window)
slouken@3502
  1869
{
slouken@3685
  1870
    SDL_RaiseWindow(window);
slouken@5404
  1871
slouken@5404
  1872
    if (FULLSCREEN_VISIBLE(window)) {
slouken@5404
  1873
        SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@5404
  1874
    }
slouken@3502
  1875
}
slouken@3502
  1876
slouken@3502
  1877
void
slouken@1895
  1878
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1879
{
slouken@5466
  1880
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@5466
  1881
        _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@5466
  1882
    }
slouken@5466
  1883
slouken@5480
  1884
    if ((window->flags & (SDL_WINDOW_INPUT_GRABBED | SDL_WINDOW_FULLSCREEN)) &&
slouken@5466
  1885
        _this->SetWindowGrab) {
slouken@2753
  1886
        _this->SetWindowGrab(_this, window);
slouken@2753
  1887
    }
slouken@1895
  1888
}
slouken@1895
  1889
slouken@1895
  1890
void
slouken@1895
  1891
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1892
{
slouken@5466
  1893
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@5466
  1894
        _this->SetWindowGammaRamp(_this, window, window->saved_gamma);
slouken@3512
  1895
    }
slouken@3512
  1896
slouken@5480
  1897
    if ((window->flags & (SDL_WINDOW_INPUT_GRABBED | SDL_WINDOW_FULLSCREEN)) &&
slouken@5466
  1898
        _this->SetWindowGrab) {
slouken@2753
  1899
        _this->SetWindowGrab(_this, window);
slouken@2753
  1900
    }
slouken@5466
  1901
slouken@5466
  1902
    /* If we're fullscreen on a single-head system and lose focus, minimize */
slouken@5466
  1903
    if ((window->flags & SDL_WINDOW_FULLSCREEN) && _this->num_displays == 1) {
slouken@5466
  1904
        SDL_MinimizeWindow(window);
slouken@5466
  1905
    }
slouken@1895
  1906
}
slouken@1895
  1907
slouken@3685
  1908
SDL_Window *
slouken@1895
  1909
SDL_GetFocusWindow(void)
slouken@1895
  1910
{
slouken@3685
  1911
    SDL_Window *window;
slouken@1895
  1912
slouken@2753
  1913
    if (!_this) {
slouken@3685
  1914
        return NULL;
slouken@3685
  1915
    }
slouken@5246
  1916
    for (window = _this->windows; window; window = window->next) {
slouken@2753
  1917
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@3685
  1918
            return window;
slouken@2753
  1919
        }
slouken@2753
  1920
    }
slouken@3685
  1921
    return NULL;
slouken@1895
  1922
}
slouken@1895
  1923
slouken@1895
  1924
void
slouken@3685
  1925
SDL_DestroyWindow(SDL_Window * window)
slouken@1895
  1926
{
slouken@3685
  1927
    SDL_VideoDisplay *display;
slouken@3685
  1928
slouken@3695
  1929
    CHECK_WINDOW_MAGIC(window, );
slouken@3503
  1930
icculus@5563
  1931
    /* make no context current if this is the current context window. */
icculus@5563
  1932
    if (window->flags & SDL_WINDOW_OPENGL) {
icculus@5563
  1933
        if (_this->current_glwin == window) {
icculus@5563
  1934
            SDL_GL_MakeCurrent(NULL, NULL);
icculus@5563
  1935
        }
icculus@5563
  1936
    }
icculus@5563
  1937
slouken@3685
  1938
    /* Restore video mode, etc. */
slouken@5305
  1939
    SDL_HideWindow(window);
slouken@3685
  1940
slouken@5169
  1941
    if (window->surface) {
slouken@5288
  1942
        window->surface->flags &= ~SDL_DONTFREE;
slouken@5169
  1943
        SDL_FreeSurface(window->surface);
slouken@5169
  1944
    }
slouken@5166
  1945
    if (_this->DestroyWindowFramebuffer) {
slouken@5166
  1946
        _this->DestroyWindowFramebuffer(_this, window);
slouken@5166
  1947
    }
slouken@3685
  1948
    if (_this->DestroyWindow) {
slouken@3685
  1949
        _this->DestroyWindow(_this, window);
slouken@3685
  1950
    }
slouken@3685
  1951
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@3685
  1952
        SDL_GL_UnloadLibrary();
slouken@3685
  1953
    }
slouken@3685
  1954
slouken@5246
  1955
    display = SDL_GetDisplayForWindow(window);
slouken@5246
  1956
    if (display->fullscreen_window == window) {
slouken@5246
  1957
        display->fullscreen_window = NULL;
slouken@5246
  1958
    }
slouken@5246
  1959
slouken@4901
  1960
    /* Now invalidate magic */
slouken@4897
  1961
    window->magic = NULL;
slouken@4897
  1962
slouken@5165
  1963
    /* Free memory associated with the window */
slouken@5165
  1964
    if (window->title) {
slouken@5165
  1965
        SDL_free(window->title);
slouken@5165
  1966
    }
slouken@5466
  1967
    if (window->gamma) {
slouken@5466
  1968
        SDL_free(window->gamma);
slouken@5466
  1969
    }
slouken@5165
  1970
    while (window->data) {
slouken@5165
  1971
        SDL_WindowUserData *data = window->data;
slouken@5165
  1972
slouken@5165
  1973
        window->data = data->next;
slouken@5165
  1974
        SDL_free(data->name);
slouken@5165
  1975
        SDL_free(data);
slouken@5165
  1976
    }
slouken@5165
  1977
slouken@3685
  1978
    /* Unlink the window from the list */
slouken@3693
  1979
    if (window->next) {
slouken@3693
  1980
        window->next->prev = window->prev;
slouken@3693
  1981
    }
slouken@3685
  1982
    if (window->prev) {
slouken@3685
  1983
        window->prev->next = window->next;
slouken@3685
  1984
    } else {
slouken@5246
  1985
        _this->windows = window->next;
slouken@3685
  1986
    }
slouken@3685
  1987
slouken@3685
  1988
    SDL_free(window);
slouken@1895
  1989
}
slouken@1895
  1990
slouken@3025
  1991
SDL_bool
slouken@3025
  1992
SDL_IsScreenSaverEnabled()
slouken@3025
  1993
{
slouken@3025
  1994
    if (!_this) {
slouken@3025
  1995
        return SDL_TRUE;
slouken@3025
  1996
    }
slouken@3025
  1997
    return _this->suspend_screensaver ? SDL_FALSE : SDL_TRUE;
slouken@3025
  1998
}
slouken@3025
  1999
slouken@3025
  2000
void
slouken@3025
  2001
SDL_EnableScreenSaver()
slouken@3025
  2002
{
slouken@3025
  2003
    if (!_this) {
slouken@3025
  2004
        return;
slouken@3025
  2005
    }
slouken@3025
  2006
    if (!_this->suspend_screensaver) {
slouken@3025
  2007
        return;
slouken@3025
  2008
    }
slouken@3025
  2009
    _this->suspend_screensaver = SDL_FALSE;
slouken@3025
  2010
    if (_this->SuspendScreenSaver) {
slouken@3025
  2011
        _this->SuspendScreenSaver(_this);
slouken@3025
  2012
    }
slouken@3025
  2013
}
slouken@3025
  2014
slouken@3025
  2015
void
slouken@3025
  2016
SDL_DisableScreenSaver()
slouken@3025
  2017
{
slouken@3025
  2018
    if (!_this) {
slouken@3025
  2019
        return;
slouken@3025
  2020
    }
slouken@3025
  2021
    if (_this->suspend_screensaver) {
slouken@3025
  2022
        return;
slouken@3025
  2023
    }
slouken@3025
  2024
    _this->suspend_screensaver = SDL_TRUE;
slouken@3025
  2025
    if (_this->SuspendScreenSaver) {
slouken@3025
  2026
        _this->SuspendScreenSaver(_this);
slouken@3025
  2027
    }
slouken@3025
  2028
}
slouken@3025
  2029
slouken@1895
  2030
void
slouken@1895
  2031
SDL_VideoQuit(void)
slouken@1895
  2032
{
slouken@2753
  2033
    int i, j;
slouken@1895
  2034
slouken@2753
  2035
    if (!_this) {
slouken@2753
  2036
        return;
slouken@2753
  2037
    }
slouken@5123
  2038
slouken@2753
  2039
    /* Halt event processing before doing anything else */
slouken@5123
  2040
    SDL_QuitQuit();
slouken@5123
  2041
    SDL_MouseQuit();
slouken@5123
  2042
    SDL_KeyboardQuit();
slouken@2753
  2043
    SDL_StopEventLoop();
slouken@5123
  2044
slouken@3029
  2045
    SDL_EnableScreenSaver();
slouken@1895
  2046
slouken@2753
  2047
    /* Clean up the system video */
slouken@5246
  2048
    while (_this->windows) {
slouken@5246
  2049
        SDL_DestroyWindow(_this->windows);
slouken@2753
  2050
    }
slouken@2753
  2051
    _this->VideoQuit(_this);
slouken@1895
  2052
slouken@2753
  2053
    for (i = _this->num_displays; i--;) {
slouken@2753
  2054
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@2753
  2055
        for (j = display->num_display_modes; j--;) {
slouken@2753
  2056
            if (display->display_modes[j].driverdata) {
slouken@2753
  2057
                SDL_free(display->display_modes[j].driverdata);
slouken@2753
  2058
                display->display_modes[j].driverdata = NULL;
slouken@2753
  2059
            }
slouken@2753
  2060
        }
slouken@2753
  2061
        if (display->display_modes) {
slouken@2753
  2062
            SDL_free(display->display_modes);
slouken@2753
  2063
            display->display_modes = NULL;
slouken@2753
  2064
        }
slouken@2753
  2065
        if (display->desktop_mode.driverdata) {
slouken@2753
  2066
            SDL_free(display->desktop_mode.driverdata);
slouken@2753
  2067
            display->desktop_mode.driverdata = NULL;
slouken@2753
  2068
        }
slouken@2753
  2069
        if (display->driverdata) {
slouken@2753
  2070
            SDL_free(display->driverdata);
slouken@2753
  2071
            display->driverdata = NULL;
slouken@2753
  2072
        }
slouken@2753
  2073
    }
slouken@2753
  2074
    if (_this->displays) {
slouken@2753
  2075
        SDL_free(_this->displays);
slouken@2753
  2076
        _this->displays = NULL;
slouken@2753
  2077
    }
slouken@4495
  2078
    if (_this->clipboard_text) {
slouken@4495
  2079
        SDL_free(_this->clipboard_text);
slouken@4495
  2080
        _this->clipboard_text = NULL;
slouken@4495
  2081
    }
slouken@2753
  2082
    _this->free(_this);
slouken@2753
  2083
    _this = NULL;
slouken@0
  2084
}
slouken@0
  2085
slouken@1895
  2086
int
slouken@1895
  2087
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2088
{
slouken@2753
  2089
    int retval;
slouken@0
  2090
slouken@2753
  2091
    if (!_this) {
slouken@2753
  2092
        SDL_UninitializedVideo();
slouken@2753
  2093
        return -1;
slouken@2753
  2094
    }
slouken@3057
  2095
    if (_this->gl_config.driver_loaded) {
slouken@3057
  2096
        if (path && SDL_strcmp(path, _this->gl_config.driver_path) != 0) {
slouken@3057
  2097
            SDL_SetError("OpenGL library already loaded");
slouken@3057
  2098
            return -1;
slouken@3057
  2099
        }
slouken@3057
  2100
        retval = 0;
slouken@3057
  2101
    } else {
slouken@3057
  2102
        if (!_this->GL_LoadLibrary) {
slouken@3057
  2103
            SDL_SetError("No dynamic GL support in video driver");
slouken@3057
  2104
            return -1;
slouken@3057
  2105
        }
slouken@2753
  2106
        retval = _this->GL_LoadLibrary(_this, path);
slouken@3057
  2107
    }
slouken@3057
  2108
    if (retval == 0) {
slouken@3057
  2109
        ++_this->gl_config.driver_loaded;
slouken@2753
  2110
    }
slouken@2753
  2111
    return (retval);
slouken@0
  2112
}
slouken@0
  2113
slouken@2753
  2114
void *
slouken@1895
  2115
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2116
{
slouken@2753
  2117
    void *func;
slouken@0
  2118
slouken@2753
  2119
    if (!_this) {
slouken@2753
  2120
        SDL_UninitializedVideo();
slouken@2753
  2121
        return NULL;
slouken@2753
  2122
    }
slouken@2753
  2123
    func = NULL;
slouken@2753
  2124
    if (_this->GL_GetProcAddress) {
slouken@2753
  2125
        if (_this->gl_config.driver_loaded) {
slouken@2753
  2126
            func = _this->GL_GetProcAddress(_this, proc);
slouken@2753
  2127
        } else {
slouken@2753
  2128
            SDL_SetError("No GL driver has been loaded");
slouken@2753
  2129
        }
slouken@2753
  2130
    } else {
slouken@2753
  2131
        SDL_SetError("No dynamic GL support in video driver");
slouken@2753
  2132
    }
slouken@2753
  2133
    return func;
slouken@0
  2134
}
slouken@0
  2135
slouken@3057
  2136
void
slouken@3057
  2137
SDL_GL_UnloadLibrary(void)
slouken@3057
  2138
{
slouken@3057
  2139
    if (!_this) {
slouken@3057
  2140
        SDL_UninitializedVideo();
slouken@3057
  2141
        return;
slouken@3057
  2142
    }
slouken@3057
  2143
    if (_this->gl_config.driver_loaded > 0) {
slouken@3057
  2144
        if (--_this->gl_config.driver_loaded > 0) {
slouken@3057
  2145
            return;
slouken@3057
  2146
        }
slouken@3057
  2147
        if (_this->GL_UnloadLibrary) {
slouken@3057
  2148
            _this->GL_UnloadLibrary(_this);
slouken@3057
  2149
        }
slouken@3057
  2150
    }
slouken@3057
  2151
}
slouken@3057
  2152
slouken@1926
  2153
SDL_bool
slouken@1926
  2154
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2155
{
slouken@5209
  2156
#if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@2753
  2157
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@2753
  2158
    const char *extensions;
slouken@2753
  2159
    const char *start;
slouken@2753
  2160
    const char *where, *terminator;
slouken@1926
  2161
slouken@2753
  2162
    /* Extension names should not have spaces. */
slouken@2753
  2163
    where = SDL_strchr(extension, ' ');
slouken@2753
  2164
    if (where || *extension == '\0') {
slouken@2753
  2165
        return SDL_FALSE;
slouken@2753
  2166
    }
slouken@2753
  2167
    /* See if there's an environment variable override */
slouken@2753
  2168
    start = SDL_getenv(extension);
slouken@2753
  2169
    if (start && *start == '0') {
slouken@2753
  2170
        return SDL_FALSE;
slouken@2753
  2171
    }
slouken@2753
  2172
    /* Lookup the available extensions */
slouken@2753
  2173
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@2753
  2174
    if (glGetStringFunc) {
slouken@2753
  2175
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@2753
  2176
    } else {
slouken@2753
  2177
        extensions = NULL;
slouken@2753
  2178
    }
slouken@2753
  2179
    if (!extensions) {
slouken@2753
  2180
        return SDL_FALSE;
slouken@2753
  2181
    }
slouken@2753
  2182
    /*
slouken@2753
  2183
     * It takes a bit of care to be fool-proof about parsing the OpenGL
slouken@2753
  2184
     * extensions string. Don't be fooled by sub-strings, etc.
slouken@2753
  2185
     */
slouken@1926
  2186
slouken@2753
  2187
    start = extensions;
slouken@1926
  2188
slouken@2753
  2189
    for (;;) {
slouken@2753
  2190
        where = SDL_strstr(start, extension);
slouken@2753
  2191
        if (!where)
slouken@2753
  2192
            break;
slouken@1926
  2193
slouken@2753
  2194
        terminator = where + SDL_strlen(extension);
slouken@2753
  2195
        if (where == start || *(where - 1) == ' ')
slouken@2753
  2196
            if (*terminator == ' ' || *terminator == '\0')
slouken@2753
  2197
                return SDL_TRUE;
slouken@1926
  2198
slouken@2753
  2199
        start = terminator;
slouken@2753
  2200
    }
slouken@2753
  2201
    return SDL_FALSE;
slouken@1926
  2202
#else
slouken@2753
  2203
    return SDL_FALSE;
slouken@1926
  2204
#endif
slouken@1926
  2205
}
slouken@1926
  2206
slouken@1895
  2207
int
slouken@1895
  2208
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2209
{
slouken@5209
  2210
#if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@2753
  2211
    int retval;
slouken@0
  2212
slouken@2753
  2213
    if (!_this) {
slouken@2753
  2214
        SDL_UninitializedVideo();
slouken@2753
  2215
        return -1;
slouken@2753
  2216
    }
slouken@2753
  2217
    retval = 0;
slouken@2753
  2218
    switch (attr) {
slouken@2753
  2219
    case SDL_GL_RED_SIZE:
slouken@2753
  2220
        _this->gl_config.red_size = value;
slouken@2753
  2221
        break;
slouken@2753
  2222
    case SDL_GL_GREEN_SIZE:
slouken@2753
  2223
        _this->gl_config.green_size = value;
slouken@2753
  2224
        break;
slouken@2753
  2225
    case SDL_GL_BLUE_SIZE:
slouken@2753
  2226
        _this->gl_config.blue_size = value;
slouken@2753
  2227
        break;
slouken@2753
  2228
    case SDL_GL_ALPHA_SIZE:
slouken@2753
  2229
        _this->gl_config.alpha_size = value;
slouken@2753
  2230
        break;
slouken@2753
  2231
    case SDL_GL_DOUBLEBUFFER:
slouken@2753
  2232
        _this->gl_config.double_buffer = value;
slouken@2753
  2233
        break;
slouken@2753
  2234
    case SDL_GL_BUFFER_SIZE:
slouken@2753
  2235
        _this->gl_config.buffer_size = value;
slouken@2753
  2236
        break;
slouken@2753
  2237
    case SDL_GL_DEPTH_SIZE:
slouken@2753
  2238
        _this->gl_config.depth_size = value;
slouken@2753
  2239
        break;
slouken@2753
  2240
    case SDL_GL_STENCIL_SIZE:
slouken@2753
  2241
        _this->gl_config.stencil_size = value;
slouken@2753
  2242
        break;
slouken@2753
  2243
    case SDL_GL_ACCUM_RED_SIZE:
slouken@2753
  2244
        _this->gl_config.accum_red_size = value;
slouken@2753
  2245
        break;
slouken@2753
  2246
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@2753
  2247
        _this->gl_config.accum_green_size = value;
slouken@2753
  2248
        break;
slouken@2753
  2249
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@2753
  2250
        _this->gl_config.accum_blue_size = value;
slouken@2753
  2251
        break;
slouken@2753
  2252
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@2753
  2253
        _this->gl_config.accum_alpha_size = value;
slouken@2753
  2254
        break;
slouken@2753
  2255
    case SDL_GL_STEREO:
slouken@2753
  2256
        _this->gl_config.stereo = value;
slouken@2753
  2257
        break;
slouken@2753
  2258
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@2753
  2259
        _this->gl_config.multisamplebuffers = value;
slouken@2753
  2260
        break;
slouken@2753
  2261
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@2753
  2262
        _this->gl_config.multisamplesamples = value;
slouken@2753
  2263
        break;
slouken@2753
  2264
    case SDL_GL_ACCELERATED_VISUAL:
slouken@2753
  2265
        _this->gl_config.accelerated = value;
slouken@2753
  2266
        break;
slouken@2753
  2267
    case SDL_GL_RETAINED_BACKING:
slouken@2753
  2268
        _this->gl_config.retained_backing = value;
slouken@2753
  2269
        break;
slouken@3100
  2270
    case SDL_GL_CONTEXT_MAJOR_VERSION:
slouken@3100
  2271
        _this->gl_config.major_version = value;
slouken@3100
  2272
        break;
slouken@3100
  2273
    case SDL_GL_CONTEXT_MINOR_VERSION:
slouken@3100
  2274
        _this->gl_config.minor_version = value;
slouken@3100
  2275
        break;
slouken@2753
  2276
    default:
slouken@2753
  2277
        SDL_SetError("Unknown OpenGL attribute");
slouken@2753
  2278
        retval = -1;
slouken@2753
  2279
        break;
slouken@2753
  2280
    }
slouken@2753
  2281
    return retval;
slouken@1936
  2282
#else
slouken@2753
  2283
    SDL_Unsupported();
slouken@2753
  2284
    return -1;
slouken@2753
  2285
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2286
}
slouken@0
  2287
slouken@1895
  2288
int
slouken@1936
  2289
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2290
{
slouken@5209
  2291
#if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@2753
  2292
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@3139
  2293
    GLenum(APIENTRY * glGetErrorFunc) (void);
slouken@2753
  2294
    GLenum attrib = 0;
slouken@3099
  2295
    GLenum error = 0;
slouken@1912
  2296
slouken@2753
  2297
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@2753
  2298
    if (!glGetIntegervFunc) {
slouken@2753
  2299
        return -1;
slouken@2753
  2300
    }
slouken@3099
  2301
slouken@3099
  2302
    glGetErrorFunc = SDL_GL_GetProcAddress("glGetError");
slouken@3099
  2303
    if (!glGetErrorFunc) {
slouken@3099
  2304
        return -1;
slouken@3099
  2305
    }
slouken@3099
  2306
slouken@3099
  2307
    /* Clear value in any case */
slouken@3139
  2308
    *value = 0;
slouken@3099
  2309
slouken@2753
  2310
    switch (attr) {
slouken@2753
  2311
    case SDL_GL_RED_SIZE:
slouken@2753
  2312
        attrib = GL_RED_BITS;
slouken@2753
  2313
        break;
slouken@2753
  2314
    case SDL_GL_BLUE_SIZE:
slouken@2753
  2315
        attrib = GL_BLUE_BITS;
slouken@2753
  2316
        break;
slouken@2753
  2317
    case SDL_GL_GREEN_SIZE:
slouken@2753
  2318
        attrib = GL_GREEN_BITS;
slouken@2753
  2319
        break;
slouken@2753
  2320
    case SDL_GL_ALPHA_SIZE:
slouken@2753
  2321
        attrib = GL_ALPHA_BITS;
slouken@2753
  2322
        break;
slouken@2753
  2323
    case SDL_GL_DOUBLEBUFFER:
slouken@5209
  2324
#if SDL_VIDEO_OPENGL
slouken@2753
  2325
        attrib = GL_DOUBLEBUFFER;
slouken@2753
  2326
        break;
hfutrell@2745
  2327
#else
slouken@3099
  2328
        /* OpenGL ES 1.0 and above specifications have EGL_SINGLE_BUFFER      */
slouken@3099
  2329
        /* parameter which switches double buffer to single buffer. OpenGL ES */
slouken@3099
  2330
        /* SDL driver must set proper value after initialization              */
slouken@3099
  2331
        *value = _this->gl_config.double_buffer;
slouken@2753
  2332
        return 0;
hfutrell@2745
  2333
#endif
slouken@2753
  2334
    case SDL_GL_DEPTH_SIZE:
slouken@2753
  2335
        attrib = GL_DEPTH_BITS;
slouken@2753
  2336
        break;
slouken@2753
  2337
    case SDL_GL_STENCIL_SIZE:
slouken@2753
  2338
        attrib = GL_STENCIL_BITS;
slouken@2753
  2339
        break;
slouken@5209
  2340
#if SDL_VIDEO_OPENGL
slouken@2753
  2341
    case SDL_GL_ACCUM_RED_SIZE:
slouken@2753
  2342
        attrib = GL_ACCUM_RED_BITS;
slouken@2753
  2343
        break;
slouken@2753
  2344
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@2753
  2345
        attrib = GL_ACCUM_GREEN_BITS;
slouken@2753
  2346
        break;
slouken@2753
  2347
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@2753
  2348
        attrib = GL_ACCUM_BLUE_BITS;
slouken@2753
  2349
        break;
slouken@2753
  2350
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@2753
  2351
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@2753
  2352
        break;
slouken@2753
  2353
    case SDL_GL_STEREO:
slouken@2753
  2354
        attrib = GL_STEREO;
slouken@2753
  2355
        break;
hfutrell@2745
  2356
#else
slouken@2753
  2357
    case SDL_GL_ACCUM_RED_SIZE:
slouken@2753
  2358
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@2753
  2359
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@2753
  2360
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@2753
  2361
    case SDL_GL_STEREO:
slouken@2753
  2362
        /* none of these are supported in OpenGL ES */
slouken@2753
  2363
        *value = 0;
slouken@2753
  2364
        return 0;
hfutrell@2745
  2365
#endif
slouken@2753
  2366
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@5209
  2367
#if SDL_VIDEO_OPENGL
slouken@2753
  2368
        attrib = GL_SAMPLE_BUFFERS_ARB;
hfutrell@2745
  2369
#else
slouken@2753
  2370
        attrib = GL_SAMPLE_BUFFERS;
hfutrell@2745
  2371
#endif
slouken@2753
  2372
        break;
slouken@2753
  2373
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@5209
  2374
#if SDL_VIDEO_OPENGL
slouken@2753
  2375
        attrib = GL_SAMPLES_ARB;
hfutrell@2745
  2376
#else
slouken@2753
  2377
        attrib = GL_SAMPLES;
hfutrell@2745
  2378
#endif
slouken@2753
  2379
        break;
slouken@2753
  2380
    case SDL_GL_BUFFER_SIZE:
slouken@2753
  2381
        {
slouken@2753
  2382
            GLint bits = 0;
slouken@2753
  2383
            GLint component;
slouken@1936
  2384
slouken@2753
  2385
            /*
slouken@2753
  2386
             * there doesn't seem to be a single flag in OpenGL
slouken@2753
  2387
             * for this!
slouken@2753
  2388
             */
slouken@2753
  2389
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@2753
  2390
            bits += component;
slouken@2753
  2391
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@2753
  2392
            bits += component;
slouken@2753
  2393
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@2753
  2394
            bits += component;
slouken@2753
  2395
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@2753
  2396
            bits += component;
slouken@1936
  2397
slouken@2753
  2398
            *value = bits;
slouken@2753
  2399
            return 0;
slouken@2753
  2400
        }
slouken@2753
  2401
    case SDL_GL_ACCELERATED_VISUAL:
slouken@2753
  2402
        {
slouken@2753
  2403
            /* FIXME: How do we get this information? */
slouken@3571
  2404
            *value = (_this->gl_config.accelerated != 0);
slouken@2753
  2405
            return 0;
slouken@2753
  2406
        }
slouken@5210
  2407
    case SDL_GL_RETAINED_BACKING:
slouken@5210
  2408
        {
slouken@5210
  2409
            *value = _this->gl_config.retained_backing;
slouken@5210
  2410
            return 0;
slouken@5210
  2411
        }
slouken@5210
  2412
    case SDL_GL_CONTEXT_MAJOR_VERSION:
slouken@5210
  2413
        {
slouken@5210
  2414
            *value = _this->gl_config.major_version;
slouken@5210
  2415
            return 0;
slouken@5210
  2416
        }
slouken@5210
  2417
    case SDL_GL_CONTEXT_MINOR_VERSION:
slouken@5210
  2418
        {
slouken@5210
  2419
            *value = _this->gl_config.minor_version;
slouken@5210
  2420
            return 0;
slouken@5210
  2421
        }
slouken@2753
  2422
    default:
slouken@2753
  2423
        SDL_SetError("Unknown OpenGL attribute");
slouken@2753
  2424
        return -1;
slouken@2753
  2425
    }
slouken@0
  2426
slouken@2753
  2427
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@3139
  2428
    error = glGetErrorFunc();
slouken@3139
  2429
    if (error != GL_NO_ERROR) {
slouken@3139
  2430
        switch (error) {
slouken@3139
  2431
        case GL_INVALID_ENUM:
slouken@3139
  2432
            {
slouken@3139
  2433
                SDL_SetError("OpenGL error: GL_INVALID_ENUM");
slouken@3139
  2434
            }
slouken@3139
  2435
            break;
slouken@3139
  2436
        case GL_INVALID_VALUE:
slouken@3139
  2437
            {
slouken@3139
  2438
                SDL_SetError("OpenGL error: GL_INVALID_VALUE");
slouken@3139
  2439
            }
slouken@3139
  2440
            break;
slouken@3139
  2441
        default:
slouken@3139
  2442
            {
slouken@3139
  2443
                SDL_SetError("OpenGL error: %08X", error);
slouken@3139
  2444
            }
slouken@3139
  2445
            break;
slouken@3139
  2446
        }
slouken@3139
  2447
        return -1;
slouken@3099
  2448
    }
slouken@2753
  2449
    return 0;
slouken@1936
  2450
#else
slouken@2753
  2451
    SDL_Unsupported();
slouken@2753
  2452
    return -1;
slouken@2753
  2453
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2454
}
slouken@0
  2455
slouken@1912
  2456
SDL_GLContext
slouken@3685
  2457
SDL_GL_CreateContext(SDL_Window * window)
slouken@1912
  2458
{
icculus@5570
  2459
    SDL_GLContext ctx = NULL;
slouken@3695
  2460
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@3695
  2461
slouken@2753
  2462
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@2753
  2463
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@2753
  2464
        return NULL;
slouken@2753
  2465
    }
icculus@5570
  2466
icculus@5570
  2467
    ctx = _this->GL_CreateContext(_this, window);
icculus@5570
  2468
icculus@5570
  2469
    /* Creating a context is assumed to make it current in the SDL driver. */
icculus@5570
  2470
    _this->current_glwin = window;
icculus@5570
  2471
    _this->current_glctx = ctx;
icculus@5570
  2472
icculus@5570
  2473
    return ctx;
slouken@1912
  2474
}
slouken@1912
  2475
slouken@1912
  2476
int
icculus@5563
  2477
SDL_GL_MakeCurrent(SDL_Window * window, SDL_GLContext ctx)
slouken@1912
  2478
{
icculus@5563
  2479
    int retval;
icculus@5563
  2480
slouken@3695
  2481
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3695
  2482
slouken@3695
  2483
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@2753
  2484
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@2753
  2485
        return -1;
slouken@2753
  2486
    }
icculus@5563
  2487
    if (!ctx) {
slouken@2753
  2488
        window = NULL;
slouken@2753
  2489
    }
icculus@5563
  2490
icculus@5563
  2491
    if ((window == _this->current_glwin) && (ctx == _this->current_glctx)) {
icculus@5563
  2492
        retval = 0;  /* we're already current. */
icculus@5563
  2493
    } else {
icculus@5563
  2494
        retval = _this->GL_MakeCurrent(_this, window, ctx);
icculus@5563
  2495
        if (retval == 0) {
icculus@5563
  2496
            _this->current_glwin = window;
icculus@5563
  2497
            _this->current_glctx = ctx;
icculus@5563
  2498
        }
icculus@5563
  2499
    }
icculus@5563
  2500
icculus@5563
  2501
    return retval;
slouken@1912
  2502
}
slouken@1912
  2503
slouken@1912
  2504
int
slouken@1912
  2505
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2506
{
slouken@2753
  2507
    if (!_this) {
slouken@2753
  2508
        SDL_UninitializedVideo();
slouken@2753
  2509
        return -1;
icculus@5571
  2510
    } else if (_this->current_glctx == NULL) {
icculus@5571
  2511
        SDL_SetError("No OpenGL context has been made current");
icculus@5571
  2512
        return -1;
icculus@5571
  2513
    } else if (_this->GL_SetSwapInterval) {
slouken@2753
  2514
        return _this->GL_SetSwapInterval(_this, interval);
slouken@2753
  2515
    } else {
slouken@2753
  2516
        SDL_SetError("Setting the swap interval is not supported");
slouken@2753
  2517
        return -1;
slouken@2753
  2518
    }
slouken@1912
  2519
}
slouken@1912
  2520
slouken@1912
  2521
int
slouken@1912
  2522
SDL_GL_GetSwapInterval(void)
slouken@1912
  2523
{
slouken@2753
  2524
    if (!_this) {
slouken@2753
  2525
        SDL_UninitializedVideo();
slouken@2753
  2526
        return -1;
icculus@5571
  2527
    } else if (_this->current_glctx == NULL) {
icculus@5571
  2528
        SDL_SetError("No OpenGL context has been made current");
icculus@5571
  2529
        return -1;
icculus@5571
  2530
    } else if (_this->GL_GetSwapInterval) {
slouken@2753
  2531
        return _this->GL_GetSwapInterval(_this);
slouken@2753
  2532
    } else {
slouken@2753
  2533
        SDL_SetError("Getting the swap interval is not supported");
slouken@2753
  2534
        return -1;
slouken@2753
  2535
    }
slouken@1912
  2536
}
slouken@1912
  2537
slouken@1895
  2538
void
slouken@3685
  2539
SDL_GL_SwapWindow(SDL_Window * window)
slouken@0
  2540
{
slouken@3695
  2541
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  2542
slouken@2753
  2543
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@2753
  2544
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@2753
  2545
        return;
slouken@2753
  2546
    }
slouken@2753
  2547
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2548
}
slouken@1912
  2549
slouken@1912
  2550
void
slouken@1912
  2551
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2552
{
slouken@4526
  2553
    if (!_this || !_this->gl_data || !context) {
slouken@2753
  2554
        return;
slouken@2753
  2555
    }
slouken@2753
  2556
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@2753
  2557
    _this->GL_DeleteContext(_this, context);
slouken@0
  2558
}
slouken@0
  2559
slouken@1895
  2560
#if 0                           // FIXME
hfutrell@2744
  2561
/*
hfutrell@2744
  2562
 * Utility function used by SDL_WM_SetIcon(); flags & 1 for color key, flags
hfutrell@2744
  2563
 * & 2 for alpha channel.
hfutrell@2744
  2564
 */
slouken@1895
  2565
static void
slouken@1895
  2566
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2567
{
slouken@2753
  2568
    int x, y;
slouken@2753
  2569
    Uint32 colorkey;
slouken@0
  2570
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2571
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2572
slouken@2753
  2573
    colorkey = icon->format->colorkey;
slouken@2753
  2574
    switch (icon->format->BytesPerPixel) {
slouken@2753
  2575
    case 1:
slouken@2753
  2576
        {
slouken@2753
  2577
            Uint8 *pixels;
slouken@2753
  2578
            for (y = 0; y < icon->h; ++y) {
slouken@2753
  2579
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@2753
  2580
                for (x = 0; x < icon->w; ++x) {
slouken@2753
  2581
                    if (*pixels++ == colorkey) {
slouken@2753
  2582
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2583
                    }
slouken@2753
  2584
                }
slouken@2753
  2585
            }
slouken@2753
  2586
        }
slouken@2753
  2587
        break;
slouken@0
  2588
slouken@2753
  2589
    case 2:
slouken@2753
  2590
        {
slouken@2753
  2591
            Uint16 *pixels;
slouken@2753
  2592
            for (y = 0; y < icon->h; ++y) {
slouken@2753
  2593
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@2753
  2594
                for (x = 0; x < icon->w; ++x) {
slouken@2753
  2595
                    if ((flags & 1) && *pixels == colorkey) {
slouken@2753
  2596
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2597
                    } else if ((flags & 2)
slouken@2753
  2598
                               && (*pixels & icon->format->Amask) == 0) {
slouken@2753
  2599
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2600
                    }
slouken@2753
  2601
                    pixels++;
slouken@2753
  2602
                }
slouken@2753
  2603
            }
slouken@2753
  2604
        }
slouken@2753
  2605
        break;
slouken@0
  2606
slouken@2753
  2607
    case 4:
slouken@2753
  2608
        {
slouken@2753
  2609
            Uint32 *pixels;
slouken@2753
  2610
            for (y = 0; y < icon->h; ++y) {
slouken@2753
  2611
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@2753
  2612
                for (x = 0; x < icon->w; ++x) {
slouken@2753
  2613
                    if ((flags & 1) && *pixels == colorkey) {
slouken@2753
  2614
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2615
                    } else if ((flags & 2)
slouken@2753
  2616
                               && (*pixels & icon->format->Amask) == 0) {
slouken@2753
  2617
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2618
                    }
slouken@2753
  2619
                    pixels++;
slouken@2753
  2620
                }
slouken@2753
  2621
            }
slouken@2753
  2622
        }
slouken@2753
  2623
        break;
slouken@2753
  2624
    }
slouken@0
  2625
}
slouken@0
  2626
slouken@0
  2627
/*
slouken@0
  2628
 * Sets the window manager icon for the display window.
slouken@0
  2629
 */
slouken@1895
  2630
void
slouken@1895
  2631
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2632
{
slouken@2753
  2633
    if (icon && _this->SetIcon) {
slouken@2753
  2634
        /* Generate a mask if necessary, and create the icon! */
slouken@2753
  2635
        if (mask == NULL) {
slouken@2753
  2636
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@2753
  2637
            int flags = 0;
slouken@2753
  2638
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@2753
  2639
            if (mask == NULL) {
slouken@2753
  2640
                return;
slouken@2753
  2641
            }
slouken@2753
  2642
            SDL_memset(mask, ~0, mask_len);
slouken@2753
  2643
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@2753
  2644
                flags |= 1;
slouken@2753
  2645
            if (icon->flags & SDL_SRCALPHA)
slouken@2753
  2646
                flags |= 2;
slouken@2753
  2647
            if (flags) {
slouken@2753
  2648
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@2753
  2649
            }
slouken@2753
  2650
            _this->SetIcon(_this, icon, mask);
slouken@2753
  2651
            SDL_free(mask);
slouken@2753
  2652
        } else {
slouken@2753
  2653
            _this->SetIcon(_this, icon, mask);
slouken@2753
  2654
        }
slouken@2753
  2655
    }
slouken@1895
  2656
}
slouken@1895
  2657
#endif
slouken@0
  2658
slouken@1895
  2659
SDL_bool
slouken@3685
  2660
SDL_GetWindowWMInfo(SDL_Window * window, struct SDL_SysWMinfo *info)
slouken@1895
  2661
{
slouken@3695
  2662
    CHECK_WINDOW_MAGIC(window, SDL_FALSE);
slouken@3695
  2663
slouken@4900
  2664
    if (!info) {
slouken@4900
  2665
        return SDL_FALSE;
slouken@4900
  2666
    }
slouken@4900
  2667
    info->subsystem = SDL_SYSWM_UNKNOWN;
slouken@4900
  2668
slouken@3695
  2669
    if (!_this->GetWindowWMInfo) {
slouken@2753
  2670
        return SDL_FALSE;
slouken@2753
  2671
    }
slouken@2753
  2672
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2673
}
slouken@0
  2674
slouken@3280
  2675
void
slouken@3280
  2676
SDL_StartTextInput(void)
slouken@3280
  2677
{
slouken@3683
  2678
    if (_this && _this->StartTextInput) {
slouken@3280
  2679
        _this->StartTextInput(_this);
slouken@3280
  2680
    }
slouken@3280
  2681
    SDL_EventState(SDL_TEXTINPUT, SDL_ENABLE);
slouken@3280
  2682
    SDL_EventState(SDL_TEXTEDITING, SDL_ENABLE);
slouken@3280
  2683
}
slouken@3280
  2684
slouken@3280
  2685
void
slouken@3280
  2686
SDL_StopTextInput(void)
slouken@3280
  2687
{
<