src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 27 Feb 2011 21:17:06 -0800
changeset 5404 6717e01acbe0
parent 5403 424f036f7c68
child 5423 b69fa50e80d7
permissions -rw-r--r--
Fixed minimizing fullscreen windows.
Removed misleading hide/unhide Cocoa notifications.
We have no way of knowing when a Cocoa window is maximized and then restored (right?)
Disabled spamy mouse motion events by default.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2011 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* The high-level video driver subsystem */
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#include "SDL.h"
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#include "SDL_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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   332
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   333
        SDL_RenderPresent(data->renderer);
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   334
    }
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   335
    return 0;
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   336
}
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   337
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   338
static void
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   339
SDL_DestroyWindowTexture(_THIS, SDL_Window * window)
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   340
{
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   341
    SDL_WindowTextureData *data;
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   342
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   343
    data = SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, NULL);
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   344
    if (!data) {
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   345
        return;
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   346
    }
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   347
    if (data->texture) {
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   348
        SDL_DestroyTexture(data->texture);
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   349
    }
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   350
    if (data->renderer) {
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   351
        SDL_DestroyRenderer(data->renderer);
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   352
    }
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   353
    if (data->pixels) {
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   354
        SDL_free(data->pixels);
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   355
    }
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   356
    SDL_free(data);
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   357
}
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   358
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   359
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   360
static int
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cmpmodes(const void *A, const void *B)
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   362
{
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   363
    SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
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   364
    SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
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   365
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   366
    if (a.w != b.w) {
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   367
        return b.w - a.w;
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   368
    }
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   369
    if (a.h != b.h) {
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   370
        return b.h - a.h;
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   371
    }
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   372
    if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
slouken@2753
   373
        return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
slouken@2753
   374
    }
lestat@3178
   375
    if (SDL_PIXELLAYOUT(a.format) != SDL_PIXELLAYOUT(b.format)) {
lestat@3178
   376
        return SDL_PIXELLAYOUT(b.format) - SDL_PIXELLAYOUT(a.format);
lestat@3178
   377
    }
slouken@2753
   378
    if (a.refresh_rate != b.refresh_rate) {
slouken@2753
   379
        return b.refresh_rate - a.refresh_rate;
slouken@2753
   380
    }
slouken@2753
   381
    return 0;
slouken@1895
   382
}
slouken@1895
   383
slouken@1912
   384
static void
slouken@1912
   385
SDL_UninitializedVideo()
slouken@1912
   386
{
slouken@2753
   387
    SDL_SetError("Video subsystem has not been initialized");
slouken@1912
   388
}
slouken@1912
   389
slouken@1895
   390
int
slouken@1895
   391
SDL_GetNumVideoDrivers(void)
slouken@1895
   392
{
slouken@2753
   393
    return SDL_arraysize(bootstrap) - 1;
slouken@1895
   394
}
slouken@1895
   395
slouken@2753
   396
const char *
slouken@1895
   397
SDL_GetVideoDriver(int index)
slouken@1895
   398
{
slouken@2753
   399
    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
slouken@2753
   400
        return bootstrap[index]->name;
slouken@2753
   401
    }
slouken@2753
   402
    return NULL;
slouken@1895
   403
}
slouken@0
   404
slouken@0
   405
/*
slouken@0
   406
 * Initialize the video and event subsystems -- determine native pixel format
slouken@0
   407
 */
slouken@1895
   408
int
slouken@5123
   409
SDL_VideoInit(const char *driver_name)
slouken@0
   410
{
slouken@2753
   411
    SDL_VideoDevice *video;
slouken@2753
   412
    int index;
slouken@2753
   413
    int i;
slouken@0
   414
slouken@3694
   415
    /* Check to make sure we don't overwrite '_this' */
slouken@3694
   416
    if (_this != NULL) {
slouken@3694
   417
        SDL_VideoQuit();
slouken@3694
   418
    }
slouken@3694
   419
slouken@2753
   420
    /* Start the event loop */
slouken@5123
   421
    if (SDL_StartEventLoop() < 0 ||
slouken@5123
   422
        SDL_KeyboardInit() < 0 ||
slouken@5123
   423
        SDL_MouseInit() < 0 ||
slouken@5123
   424
        SDL_TouchInit() < 0 ||
slouken@5123
   425
        SDL_QuitInit() < 0) {
slouken@2753
   426
        return -1;
slouken@2753
   427
    }
slouken@3694
   428
slouken@2753
   429
    /* Select the proper video driver */
slouken@2753
   430
    index = 0;
slouken@2753
   431
    video = NULL;
slouken@2753
   432
    if (driver_name == NULL) {
slouken@2753
   433
        driver_name = SDL_getenv("SDL_VIDEODRIVER");
slouken@2753
   434
    }
slouken@2753
   435
    if (driver_name != NULL) {
slouken@2753
   436
        for (i = 0; bootstrap[i]; ++i) {
slouken@2753
   437
            if (SDL_strcasecmp(bootstrap[i]->name, driver_name) == 0) {
slouken@3448
   438
                video = bootstrap[i]->create(index);
slouken@2753
   439
                break;
slouken@2753
   440
            }
slouken@2753
   441
        }
slouken@2753
   442
    } else {
slouken@2753
   443
        for (i = 0; bootstrap[i]; ++i) {
slouken@2753
   444
            if (bootstrap[i]->available()) {
slouken@2753
   445
                video = bootstrap[i]->create(index);
slouken@2753
   446
                if (video != NULL) {
slouken@2753
   447
                    break;
slouken@2753
   448
                }
slouken@2753
   449
            }
slouken@2753
   450
        }
slouken@2753
   451
    }
slouken@2753
   452
    if (video == NULL) {
slouken@2753
   453
        if (driver_name) {
slouken@2753
   454
            SDL_SetError("%s not available", driver_name);
slouken@2753
   455
        } else {
slouken@2753
   456
            SDL_SetError("No available video device");
slouken@2753
   457
        }
slouken@2753
   458
        return -1;
slouken@2753
   459
    }
slouken@2753
   460
    _this = video;
slouken@2753
   461
    _this->name = bootstrap[i]->name;
slouken@2753
   462
    _this->next_object_id = 1;
slouken@0
   463
slouken@0
   464
slouken@2753
   465
    /* Set some very sane GL defaults */
slouken@2753
   466
    _this->gl_config.driver_loaded = 0;
slouken@2753
   467
    _this->gl_config.dll_handle = NULL;
slouken@2753
   468
    _this->gl_config.red_size = 3;
slouken@2753
   469
    _this->gl_config.green_size = 3;
slouken@2753
   470
    _this->gl_config.blue_size = 2;
slouken@2753
   471
    _this->gl_config.alpha_size = 0;
slouken@2753
   472
    _this->gl_config.buffer_size = 0;
slouken@2753
   473
    _this->gl_config.depth_size = 16;
slouken@2753
   474
    _this->gl_config.stencil_size = 0;
slouken@2753
   475
    _this->gl_config.double_buffer = 1;
slouken@2753
   476
    _this->gl_config.accum_red_size = 0;
slouken@2753
   477
    _this->gl_config.accum_green_size = 0;
slouken@2753
   478
    _this->gl_config.accum_blue_size = 0;
slouken@2753
   479
    _this->gl_config.accum_alpha_size = 0;
slouken@2753
   480
    _this->gl_config.stereo = 0;
slouken@2753
   481
    _this->gl_config.multisamplebuffers = 0;
slouken@2753
   482
    _this->gl_config.multisamplesamples = 0;
slouken@2753
   483
    _this->gl_config.retained_backing = 1;
slouken@3571
   484
    _this->gl_config.accelerated = -1;  /* accelerated or not, both are fine */
slouken@5209
   485
#if SDL_VIDEO_OPENGL
slouken@3100
   486
    _this->gl_config.major_version = 2;
slouken@3100
   487
    _this->gl_config.minor_version = 1;
slouken@5217
   488
#elif SDL_VIDEO_OPENGL_ES
slouken@5217
   489
    _this->gl_config.major_version = 1;
slouken@5217
   490
    _this->gl_config.minor_version = 1;
slouken@5209
   491
#elif SDL_VIDEO_OPENGL_ES2
slouken@5209
   492
    _this->gl_config.major_version = 2;
slouken@5209
   493
    _this->gl_config.minor_version = 0;
slouken@5209
   494
#endif
slouken@0
   495
slouken@2753
   496
    /* Initialize the video subsystem */
slouken@2753
   497
    if (_this->VideoInit(_this) < 0) {
slouken@2753
   498
        SDL_VideoQuit();
slouken@2753
   499
        return -1;
slouken@2753
   500
    }
slouken@5166
   501
slouken@2753
   502
    /* Make sure some displays were added */
slouken@2753
   503
    if (_this->num_displays == 0) {
slouken@2753
   504
        SDL_SetError("The video driver did not add any displays");
slouken@2753
   505
        SDL_VideoQuit();
slouken@2753
   506
        return (-1);
slouken@2753
   507
    }
slouken@0
   508
slouken@5190
   509
    /* Add the renderer framebuffer emulation if desired */
slouken@5190
   510
    if (ShouldUseTextureFramebuffer()) {
slouken@5166
   511
        _this->CreateWindowFramebuffer = SDL_CreateWindowTexture;
slouken@5166
   512
        _this->UpdateWindowFramebuffer = SDL_UpdateWindowTexture;
slouken@5166
   513
        _this->DestroyWindowFramebuffer = SDL_DestroyWindowTexture;
slouken@5166
   514
    }
slouken@5166
   515
slouken@2753
   516
    /* We're ready to go! */
slouken@2753
   517
    return 0;
slouken@0
   518
}
slouken@0
   519
slouken@2753
   520
const char *
slouken@1895
   521
SDL_GetCurrentVideoDriver()
slouken@0
   522
{
slouken@2753
   523
    if (!_this) {
slouken@2753
   524
        SDL_UninitializedVideo();
slouken@2753
   525
        return NULL;
slouken@2753
   526
    }
slouken@2753
   527
    return _this->name;
slouken@0
   528
}
slouken@0
   529
slouken@1895
   530
SDL_VideoDevice *
slouken@4472
   531
SDL_GetVideoDevice(void)
slouken@0
   532
{
slouken@2753
   533
    return _this;
slouken@0
   534
}
slouken@0
   535
slouken@1895
   536
int
slouken@1895
   537
SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
slouken@0
   538
{
slouken@2753
   539
    SDL_VideoDisplay display;
slouken@0
   540
slouken@2753
   541
    SDL_zero(display);
slouken@2753
   542
    if (desktop_mode) {
slouken@2753
   543
        display.desktop_mode = *desktop_mode;
slouken@2753
   544
    }
slouken@2753
   545
    display.current_mode = display.desktop_mode;
slouken@1895
   546
slouken@2753
   547
    return SDL_AddVideoDisplay(&display);
slouken@0
   548
}
slouken@0
   549
slouken@1895
   550
int
slouken@1895
   551
SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
slouken@0
   552
{
slouken@2753
   553
    SDL_VideoDisplay *displays;
slouken@2753
   554
    int index = -1;
slouken@0
   555
slouken@2753
   556
    displays =
slouken@2753
   557
        SDL_realloc(_this->displays,
slouken@2753
   558
                    (_this->num_displays + 1) * sizeof(*displays));
slouken@2753
   559
    if (displays) {
slouken@2753
   560
        index = _this->num_displays++;
slouken@2753
   561
        displays[index] = *display;
slouken@2753
   562
        displays[index].device = _this;
slouken@2753
   563
        _this->displays = displays;
slouken@2753
   564
    } else {
slouken@2753
   565
        SDL_OutOfMemory();
slouken@2753
   566
    }
slouken@2753
   567
    return index;
slouken@0
   568
}
slouken@0
   569
slouken@1895
   570
int
slouken@1895
   571
SDL_GetNumVideoDisplays(void)
slouken@0
   572
{
slouken@2753
   573
    if (!_this) {
slouken@2753
   574
        SDL_UninitializedVideo();
slouken@2753
   575
        return 0;
slouken@2753
   576
    }
slouken@2753
   577
    return _this->num_displays;
slouken@0
   578
}
slouken@0
   579
slouken@1895
   580
int
slouken@5380
   581
SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
slouken@5380
   582
{
slouken@5380
   583
    int displayIndex;
slouken@5380
   584
slouken@5380
   585
    for (displayIndex = 0; displayIndex < _this->num_displays; ++displayIndex) {
slouken@5380
   586
        if (display == &_this->displays[displayIndex]) {
slouken@5380
   587
            return displayIndex;
slouken@5380
   588
        }
slouken@5380
   589
    }
slouken@5380
   590
slouken@5380
   591
    /* Couldn't find the display, just use index 0 */
slouken@5380
   592
    return 0;
slouken@5380
   593
}
slouken@5380
   594
slouken@5380
   595
int
slouken@5244
   596
SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect)
slouken@3528
   597
{
slouken@5244
   598
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   599
slouken@3528
   600
    if (rect) {
slouken@5244
   601
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@3528
   602
slouken@3528
   603
        if (_this->GetDisplayBounds) {
slouken@5249
   604
            if (_this->GetDisplayBounds(_this, display, rect) == 0) {
slouken@5249
   605
                return 0;
slouken@3528
   606
            }
slouken@5249
   607
        }
slouken@5249
   608
slouken@5249
   609
        /* Assume that the displays are left to right */
slouken@5249
   610
        if (displayIndex == 0) {
slouken@5249
   611
            rect->x = 0;
slouken@5249
   612
            rect->y = 0;
slouken@3528
   613
        } else {
slouken@5249
   614
            SDL_GetDisplayBounds(displayIndex-1, rect);
slouken@5249
   615
            rect->x += rect->w;
slouken@3528
   616
        }
slouken@5249
   617
        rect->w = display->desktop_mode.w;
slouken@5249
   618
        rect->h = display->desktop_mode.h;
slouken@3528
   619
    }
slouken@3528
   620
    return 0;
slouken@3528
   621
}
slouken@3528
   622
slouken@1895
   623
SDL_bool
slouken@3500
   624
SDL_AddDisplayMode(SDL_VideoDisplay * display,  const SDL_DisplayMode * mode)
slouken@0
   625
{
slouken@2753
   626
    SDL_DisplayMode *modes;
slouken@2753
   627
    int i, nmodes;
slouken@0
   628
slouken@2753
   629
    /* Make sure we don't already have the mode in the list */
slouken@2753
   630
    modes = display->display_modes;
slouken@2753
   631
    nmodes = display->num_display_modes;
slouken@2753
   632
    for (i = nmodes; i--;) {
slouken@2753
   633
        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
slouken@2753
   634
            return SDL_FALSE;
slouken@2753
   635
        }
slouken@2753
   636
    }
slouken@1895
   637
slouken@2753
   638
    /* Go ahead and add the new mode */
slouken@2753
   639
    if (nmodes == display->max_display_modes) {
slouken@2753
   640
        modes =
slouken@2753
   641
            SDL_realloc(modes,
slouken@2753
   642
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@2753
   643
        if (!modes) {
slouken@2753
   644
            return SDL_FALSE;
slouken@2753
   645
        }
slouken@2753
   646
        display->display_modes = modes;
slouken@2753
   647
        display->max_display_modes += 32;
slouken@2753
   648
    }
slouken@2753
   649
    modes[nmodes] = *mode;
slouken@2753
   650
    display->num_display_modes++;
slouken@1895
   651
lestat@3178
   652
    /* Re-sort video modes */
lestat@3178
   653
    SDL_qsort(display->display_modes, display->num_display_modes,
slouken@3186
   654
              sizeof(SDL_DisplayMode), cmpmodes);
lestat@3178
   655
slouken@2753
   656
    return SDL_TRUE;
slouken@0
   657
}
slouken@0
   658
slouken@5246
   659
SDL_VideoDisplay *
slouken@5246
   660
SDL_GetFirstDisplay(void)
slouken@5246
   661
{
slouken@5246
   662
    return &_this->displays[0];
slouken@5246
   663
}
slouken@5246
   664
slouken@5244
   665
static int
slouken@3500
   666
SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display)
slouken@3500
   667
{
slouken@3500
   668
    if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@3500
   669
        _this->GetDisplayModes(_this, display);
slouken@3500
   670
        SDL_qsort(display->display_modes, display->num_display_modes,
slouken@3500
   671
                  sizeof(SDL_DisplayMode), cmpmodes);
slouken@3500
   672
    }
slouken@3500
   673
    return display->num_display_modes;
slouken@3500
   674
}
slouken@3500
   675
slouken@3500
   676
int
slouken@5244
   677
SDL_GetNumDisplayModes(int displayIndex)
slouken@0
   678
{
slouken@5244
   679
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   680
slouken@5244
   681
    return SDL_GetNumDisplayModesForDisplay(&_this->displays[displayIndex]);
slouken@3500
   682
}
slouken@3500
   683
slouken@3500
   684
int
slouken@5244
   685
SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode * mode)
slouken@3500
   686
{
slouken@5244
   687
    SDL_VideoDisplay *display;
slouken@5244
   688
slouken@5244
   689
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   690
slouken@5244
   691
    display = &_this->displays[displayIndex];
slouken@3500
   692
    if (index < 0 || index >= SDL_GetNumDisplayModesForDisplay(display)) {
slouken@3500
   693
        SDL_SetError("index must be in the range of 0 - %d",
slouken@3500
   694
                     SDL_GetNumDisplayModesForDisplay(display) - 1);
slouken@3500
   695
        return -1;
slouken@3500
   696
    }
slouken@3500
   697
    if (mode) {
slouken@3500
   698
        *mode = display->display_modes[index];
slouken@2753
   699
    }
slouken@2753
   700
    return 0;
slouken@0
   701
}
slouken@0
   702
slouken@1967
   703
int
slouken@5244
   704
SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@0
   705
{
slouken@5244
   706
    SDL_VideoDisplay *display;
slouken@3500
   707
slouken@5244
   708
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   709
slouken@5244
   710
    display = &_this->displays[displayIndex];
slouken@2753
   711
    if (mode) {
slouken@3500
   712
        *mode = display->desktop_mode;
slouken@2753
   713
    }
slouken@2753
   714
    return 0;
slouken@0
   715
}
slouken@0
   716
slouken@1967
   717
int
slouken@5244
   718
SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@0
   719
{
slouken@5244
   720
    SDL_VideoDisplay *display;
slouken@3500
   721
slouken@5244
   722
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@5244
   723
slouken@5244
   724
    display = &_this->displays[displayIndex];
slouken@2753
   725
    if (mode) {
slouken@3500
   726
        *mode = display->current_mode;
slouken@2753
   727
    }
slouken@2753
   728
    return 0;
slouken@0
   729
}
slouken@0
   730
slouken@5244
   731
static SDL_DisplayMode *
slouken@3500
   732
SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display,
slouken@3500
   733
                                    const SDL_DisplayMode * mode,
slouken@3500
   734
                                    SDL_DisplayMode * closest)
slouken@0
   735
{
slouken@2753
   736
    Uint32 target_format;
slouken@2753
   737
    int target_refresh_rate;
slouken@2753
   738
    int i;
slouken@2753
   739
    SDL_DisplayMode *current, *match;
slouken@0
   740
slouken@3500
   741
    if (!mode || !closest) {
slouken@3500
   742
        SDL_SetError("Missing desired mode or closest mode parameter");
slouken@2753
   743
        return NULL;
slouken@2753
   744
    }
slouken@3500
   745
slouken@2753
   746
    /* Default to the desktop format */
slouken@2753
   747
    if (mode->format) {
slouken@2753
   748
        target_format = mode->format;
slouken@2753
   749
    } else {
slouken@3500
   750
        target_format = display->desktop_mode.format;
slouken@2753
   751
    }
slouken@0
   752
slouken@2753
   753
    /* Default to the desktop refresh rate */
slouken@2753
   754
    if (mode->refresh_rate) {
slouken@2753
   755
        target_refresh_rate = mode->refresh_rate;
slouken@2753
   756
    } else {
slouken@3500
   757
        target_refresh_rate = display->desktop_mode.refresh_rate;
slouken@2753
   758
    }
slouken@0
   759
slouken@2753
   760
    match = NULL;
slouken@3500
   761
    for (i = 0; i < SDL_GetNumDisplayModesForDisplay(display); ++i) {
slouken@3500
   762
        current = &display->display_modes[i];
slouken@0
   763
slouken@2789
   764
        if (current->w && (current->w < mode->w)) {
slouken@2753
   765
            /* Out of sorted modes large enough here */
slouken@2753
   766
            break;
slouken@2753
   767
        }
slouken@2789
   768
        if (current->h && (current->h < mode->h)) {
slouken@2789
   769
            if (current->w && (current->w == mode->w)) {
slouken@2789
   770
                /* Out of sorted modes large enough here */
slouken@2789
   771
                break;
slouken@2789
   772
            }
slouken@2789
   773
            /* Wider, but not tall enough, due to a different
slouken@2789
   774
               aspect ratio. This mode must be skipped, but closer
slouken@2789
   775
               modes may still follow. */
slouken@2789
   776
            continue;
slouken@2789
   777
        }
slouken@2753
   778
        if (!match || current->w < match->w || current->h < match->h) {
slouken@2753
   779
            match = current;
slouken@2753
   780
            continue;
slouken@2753
   781
        }
slouken@2753
   782
        if (current->format != match->format) {
slouken@2753
   783
            /* Sorted highest depth to lowest */
slouken@2753
   784
            if (current->format == target_format ||
slouken@2753
   785
                (SDL_BITSPERPIXEL(current->format) >=
slouken@2753
   786
                 SDL_BITSPERPIXEL(target_format)
slouken@2753
   787
                 && SDL_PIXELTYPE(current->format) ==
slouken@2753
   788
                 SDL_PIXELTYPE(target_format))) {
slouken@2753
   789
                match = current;
slouken@2753
   790
            }
slouken@2753
   791
            continue;
slouken@2753
   792
        }
slouken@2753
   793
        if (current->refresh_rate != match->refresh_rate) {
slouken@2753
   794
            /* Sorted highest refresh to lowest */
slouken@2753
   795
            if (current->refresh_rate >= target_refresh_rate) {
slouken@2753
   796
                match = current;
slouken@2753
   797
            }
slouken@2753
   798
        }
slouken@2753
   799
    }
slouken@2753
   800
    if (match) {
slouken@2753
   801
        if (match->format) {
slouken@2753
   802
            closest->format = match->format;
slouken@2753
   803
        } else {
slouken@2753
   804
            closest->format = mode->format;
slouken@2753
   805
        }
slouken@2753
   806
        if (match->w && match->h) {
slouken@2753
   807
            closest->w = match->w;
slouken@2753
   808
            closest->h = match->h;
slouken@2753
   809
        } else {
slouken@2753
   810
            closest->w = mode->w;
slouken@2753
   811
            closest->h = mode->h;
slouken@2753
   812
        }
slouken@2753
   813
        if (match->refresh_rate) {
slouken@2753
   814
            closest->refresh_rate = match->refresh_rate;
slouken@2753
   815
        } else {
slouken@2753
   816
            closest->refresh_rate = mode->refresh_rate;
slouken@2753
   817
        }
slouken@2753
   818
        closest->driverdata = match->driverdata;
slouken@1895
   819
slouken@2753
   820
        /*
slouken@2753
   821
         * Pick some reasonable defaults if the app and driver don't
slouken@2753
   822
         * care
slouken@2753
   823
         */
slouken@2753
   824
        if (!closest->format) {
slouken@2753
   825
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@2753
   826
        }
slouken@2753
   827
        if (!closest->w) {
slouken@2753
   828
            closest->w = 640;
slouken@2753
   829
        }
slouken@2753
   830
        if (!closest->h) {
slouken@2753
   831
            closest->h = 480;
slouken@2753
   832
        }
slouken@2753
   833
        return closest;
slouken@2753
   834
    }
slouken@2753
   835
    return NULL;
slouken@0
   836
}
slouken@0
   837
slouken@3500
   838
SDL_DisplayMode *
slouken@5244
   839
SDL_GetClosestDisplayMode(int displayIndex,
slouken@5244
   840
                          const SDL_DisplayMode * mode,
slouken@3500
   841
                          SDL_DisplayMode * closest)
slouken@3500
   842
{
slouken@5244
   843
    SDL_VideoDisplay *display;
slouken@5244
   844
slouken@5244
   845
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@5244
   846
slouken@5244
   847
    display = &_this->displays[displayIndex];
slouken@5244
   848
    return SDL_GetClosestDisplayModeForDisplay(display, mode, closest);
slouken@3500
   849
}
slouken@3500
   850
slouken@1895
   851
int
slouken@3500
   852
SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode)
slouken@0
   853
{
slouken@2753
   854
    SDL_DisplayMode display_mode;
slouken@2753
   855
    SDL_DisplayMode current_mode;
slouken@0
   856
slouken@3502
   857
    if (mode) {
slouken@3502
   858
        display_mode = *mode;
slouken@3502
   859
slouken@3502
   860
        /* Default to the current mode */
slouken@3502
   861
        if (!display_mode.format) {
slouken@3502
   862
            display_mode.format = display->current_mode.format;
slouken@3502
   863
        }
slouken@3502
   864
        if (!display_mode.w) {
slouken@3502
   865
            display_mode.w = display->current_mode.w;
slouken@3502
   866
        }
slouken@3502
   867
        if (!display_mode.h) {
slouken@3502
   868
            display_mode.h = display->current_mode.h;
slouken@3502
   869
        }
slouken@3502
   870
        if (!display_mode.refresh_rate) {
slouken@3502
   871
            display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@3502
   872
        }
slouken@3502
   873
slouken@3502
   874
        /* Get a good video mode, the closest one possible */
slouken@3502
   875
        if (!SDL_GetClosestDisplayModeForDisplay(display, &display_mode, &display_mode)) {
slouken@3502
   876
            SDL_SetError("No video mode large enough for %dx%d",
slouken@3502
   877
                         display_mode.w, display_mode.h);
slouken@3502
   878
            return -1;
slouken@3502
   879
        }
slouken@3502
   880
    } else {
slouken@3502
   881
        display_mode = display->desktop_mode;
slouken@2753
   882
    }
slouken@3500
   883
slouken@2753
   884
    /* See if there's anything left to do */
slouken@5244
   885
    current_mode = display->current_mode;
slouken@2753
   886
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@2753
   887
        return 0;
slouken@2753
   888
    }
slouken@3500
   889
slouken@2753
   890
    /* Actually change the display mode */
slouken@4978
   891
    if (!_this->SetDisplayMode) {
slouken@4978
   892
        SDL_SetError("Video driver doesn't support changing display mode");
slouken@4978
   893
        return -1;
slouken@4978
   894
    }
slouken@3500
   895
    if (_this->SetDisplayMode(_this, display, &display_mode) < 0) {
slouken@2753
   896
        return -1;
slouken@2753
   897
    }
slouken@2753
   898
    display->current_mode = display_mode;
slouken@2753
   899
    return 0;
slouken@0
   900
}
slouken@0
   901
slouken@1895
   902
int
slouken@5373
   903
SDL_GetWindowDisplay(SDL_Window * window)
slouken@5246
   904
{
slouken@5246
   905
    int displayIndex;
slouken@5246
   906
    int i, dist;
slouken@5246
   907
    int closest = -1;
slouken@5246
   908
    int closest_dist = 0x7FFFFFFF;
slouken@5246
   909
    SDL_Point center;
slouken@5246
   910
    SDL_Point delta;
slouken@5246
   911
    SDL_Rect rect;
slouken@5246
   912
slouken@5246
   913
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5246
   914
slouken@5246
   915
    if (SDL_WINDOWPOS_ISUNDEFINED(window->x) ||
slouken@5246
   916
        SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@5246
   917
        displayIndex = (window->x & 0xFFFF);
slouken@5246
   918
        if (displayIndex >= _this->num_displays) {
slouken@5246
   919
            displayIndex = 0;
slouken@5246
   920
        }
slouken@5246
   921
        return displayIndex;
slouken@5246
   922
    }
slouken@5246
   923
    if (SDL_WINDOWPOS_ISUNDEFINED(window->y) ||
slouken@5246
   924
        SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@5246
   925
        displayIndex = (window->y & 0xFFFF);
slouken@5246
   926
        if (displayIndex >= _this->num_displays) {
slouken@5246
   927
            displayIndex = 0;
slouken@5246
   928
        }
slouken@5246
   929
        return displayIndex;
slouken@5246
   930
    }
slouken@5246
   931
slouken@5246
   932
    /* Find the display containing the window */
slouken@5246
   933
    center.x = window->x + window->w / 2;
slouken@5246
   934
    center.y = window->y + window->h / 2;
slouken@5246
   935
    for (i = 0; i < _this->num_displays; ++i) {
slouken@5246
   936
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@5246
   937
slouken@5246
   938
        SDL_GetDisplayBounds(i, &rect);
slouken@5246
   939
        if (display->fullscreen_window == window || SDL_EnclosePoints(&center, 1, &rect, NULL)) {
slouken@5246
   940
            return i;
slouken@5246
   941
        }
slouken@5246
   942
slouken@5246
   943
        delta.x = center.x - (rect.x + rect.w / 2);
slouken@5246
   944
        delta.y = center.y - (rect.y + rect.h / 2);
slouken@5246
   945
        dist = (delta.x*delta.x + delta.y*delta.y);
slouken@5246
   946
        if (dist < closest_dist) {
slouken@5246
   947
            closest = i;
slouken@5246
   948
            closest_dist = dist;
slouken@5246
   949
        }
slouken@5246
   950
    }
slouken@5246
   951
    if (closest < 0) {
slouken@5246
   952
        SDL_SetError("Couldn't find any displays");
slouken@5246
   953
    }
slouken@5246
   954
    return closest;
slouken@5246
   955
}
slouken@5246
   956
slouken@5246
   957
SDL_VideoDisplay *
slouken@5246
   958
SDL_GetDisplayForWindow(SDL_Window *window)
slouken@5246
   959
{
slouken@5373
   960
    int displayIndex = SDL_GetWindowDisplay(window);
slouken@5373
   961
    if (displayIndex >= 0) {
slouken@5373
   962
        return &_this->displays[displayIndex];
slouken@5373
   963
    } else {
slouken@5373
   964
        return NULL;
slouken@5373
   965
    }
slouken@5246
   966
}
slouken@5246
   967
slouken@5246
   968
int
slouken@3685
   969
SDL_SetWindowDisplayMode(SDL_Window * window, const SDL_DisplayMode * mode)
slouken@3500
   970
{
slouken@3695
   971
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3500
   972
slouken@2753
   973
    if (mode) {
slouken@3500
   974
        window->fullscreen_mode = *mode;
slouken@3500
   975
    } else {
slouken@3500
   976
        SDL_zero(window->fullscreen_mode);
slouken@3500
   977
    }
slouken@3526
   978
    return 0;
slouken@3500
   979
}
slouken@3500
   980
slouken@3500
   981
int
slouken@3685
   982
SDL_GetWindowDisplayMode(SDL_Window * window, SDL_DisplayMode * mode)
slouken@3500
   983
{
slouken@3500
   984
    SDL_DisplayMode fullscreen_mode;
slouken@3500
   985
slouken@3695
   986
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3500
   987
slouken@3500
   988
    fullscreen_mode = window->fullscreen_mode;
slouken@3500
   989
    if (!fullscreen_mode.w) {
slouken@3500
   990
        fullscreen_mode.w = window->w;
slouken@3500
   991
    }
slouken@3500
   992
    if (!fullscreen_mode.h) {
slouken@3500
   993
        fullscreen_mode.h = window->h;
slouken@3500
   994
    }
slouken@3500
   995
slouken@5246
   996
    if (!SDL_GetClosestDisplayModeForDisplay(SDL_GetDisplayForWindow(window),
slouken@3500
   997
                                             &fullscreen_mode,
slouken@3500
   998
                                             &fullscreen_mode)) {
slouken@3500
   999
        SDL_SetError("Couldn't find display mode match");
slouken@3500
  1000
        return -1;
slouken@3500
  1001
    }
slouken@3500
  1002
slouken@3500
  1003
    if (mode) {
slouken@3500
  1004
        *mode = fullscreen_mode;
slouken@2753
  1005
    }
slouken@2753
  1006
    return 0;
slouken@0
  1007
}
slouken@0
  1008
slouken@5154
  1009
Uint32
slouken@5154
  1010
SDL_GetWindowPixelFormat(SDL_Window * window)
slouken@5154
  1011
{
slouken@5246
  1012
    SDL_VideoDisplay *display;
slouken@5246
  1013
slouken@5246
  1014
    CHECK_WINDOW_MAGIC(window, SDL_PIXELFORMAT_UNKNOWN);
slouken@5246
  1015
slouken@5246
  1016
    display = SDL_GetDisplayForWindow(window);
slouken@5246
  1017
    return display->current_mode.format;
slouken@5154
  1018
}
slouken@5154
  1019
slouken@3502
  1020
static void
slouken@5404
  1021
SDL_UpdateFullscreenMode(SDL_Window * window, SDL_bool fullscreen)
slouken@3502
  1022
{
slouken@5246
  1023
    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5249
  1024
    SDL_Window *other;
slouken@3502
  1025
slouken@5404
  1026
    if (fullscreen) {
slouken@3502
  1027
        /* Hide any other fullscreen windows */
slouken@5249
  1028
        if (display->fullscreen_window &&
slouken@5249
  1029
            display->fullscreen_window != window) {
slouken@5246
  1030
            SDL_MinimizeWindow(display->fullscreen_window);
slouken@3502
  1031
        }
slouken@3502
  1032
    }
slouken@3502
  1033
slouken@5305
  1034
    /* See if anything needs to be done now */
slouken@5404
  1035
    if ((display->fullscreen_window == window) == fullscreen) {
slouken@5305
  1036
        return;
slouken@5305
  1037
    }
slouken@5305
  1038
slouken@5249
  1039
    /* See if there are any fullscreen windows */
slouken@5249
  1040
    for (other = _this->windows; other; other = other->next) {
slouken@5404
  1041
        SDL_bool setDisplayMode = SDL_FALSE;
slouken@5404
  1042
slouken@5404
  1043
        if (other == window) {
slouken@5404
  1044
            setDisplayMode = fullscreen;
slouken@5404
  1045
        } else if (FULLSCREEN_VISIBLE(other) &&
slouken@5404
  1046
                   SDL_GetDisplayForWindow(other) == display) {
slouken@5404
  1047
            setDisplayMode = SDL_TRUE;
slouken@5404
  1048
        }
slouken@5404
  1049
slouken@5404
  1050
        if (setDisplayMode) {
slouken@5249
  1051
            SDL_DisplayMode fullscreen_mode;
slouken@5404
  1052
slouken@5249
  1053
            if (SDL_GetWindowDisplayMode(other, &fullscreen_mode) == 0) {
slouken@5306
  1054
                SDL_bool resized = SDL_TRUE;
slouken@5306
  1055
slouken@5306
  1056
                if (other->w == fullscreen_mode.w && other->h == fullscreen_mode.h) {
slouken@5306
  1057
                    resized = SDL_FALSE;
slouken@5249
  1058
                }
slouken@3502
  1059
slouken@3502
  1060
                SDL_SetDisplayModeForDisplay(display, &fullscreen_mode);
slouken@5249
  1061
                if (_this->SetWindowFullscreen) {
slouken@5305
  1062
                    _this->SetWindowFullscreen(_this, other, display, SDL_TRUE);
slouken@5249
  1063
                }
slouken@5249
  1064
                display->fullscreen_window = other;
slouken@5249
  1065
slouken@5306
  1066
                /* Generate a mode change event here */
slouken@5306
  1067
                if (resized) {
slouken@5306
  1068
                    SDL_SendWindowEvent(other, SDL_WINDOWEVENT_RESIZED,
slouken@5306
  1069
                                        fullscreen_mode.w, fullscreen_mode.h);
slouken@5306
  1070
                } else {
slouken@5306
  1071
                    SDL_OnWindowResized(other);
slouken@5306
  1072
                }
slouken@3502
  1073
                return;
slouken@3502
  1074
            }
slouken@3502
  1075
        }
slouken@3502
  1076
    }
slouken@3502
  1077
slouken@3502
  1078
    /* Nope, restore the desktop mode */
slouken@3502
  1079
    SDL_SetDisplayModeForDisplay(display, NULL);
slouken@5249
  1080
slouken@5249
  1081
    if (_this->SetWindowFullscreen) {
slouken@5305
  1082
        _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
slouken@5249
  1083
    }
slouken@3517
  1084
    display->fullscreen_window = NULL;
slouken@5306
  1085
slouken@5306
  1086
    /* Generate a mode change event here */
slouken@5306
  1087
    SDL_OnWindowResized(window);
slouken@3502
  1088
}
slouken@3502
  1089
slouken@5380
  1090
#define CREATE_FLAGS \
slouken@5380
  1091
    (SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE)
slouken@5380
  1092
slouken@5380
  1093
static void
slouken@5380
  1094
SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
slouken@5380
  1095
{
slouken@5398
  1096
    window->windowed.x = window->x;
slouken@5398
  1097
    window->windowed.y = window->y;
slouken@5398
  1098
    window->windowed.w = window->w;
slouken@5398
  1099
    window->windowed.h = window->h;
slouken@5398
  1100
slouken@5380
  1101
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@5380
  1102
        SDL_MaximizeWindow(window);
slouken@5380
  1103
    }
slouken@5380
  1104
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@5380
  1105
        SDL_MinimizeWindow(window);
slouken@5380
  1106
    }
slouken@5380
  1107
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@5380
  1108
        SDL_SetWindowFullscreen(window, SDL_TRUE);
slouken@5380
  1109
    }
slouken@5380
  1110
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@5380
  1111
        SDL_SetWindowGrab(window, SDL_TRUE);
slouken@5380
  1112
    }
slouken@5380
  1113
    if (!(flags & SDL_WINDOW_HIDDEN)) {
slouken@5380
  1114
        SDL_ShowWindow(window);
slouken@5380
  1115
    }
slouken@5380
  1116
}
slouken@5380
  1117
slouken@3685
  1118
SDL_Window *
slouken@1895
  1119
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
  1120
{
slouken@3685
  1121
    SDL_Window *window;
slouken@0
  1122
slouken@2753
  1123
    if (!_this) {
slouken@3417
  1124
        /* Initialize the video system if needed */
slouken@5123
  1125
        if (SDL_VideoInit(NULL) < 0) {
slouken@3685
  1126
            return NULL;
slouken@3417
  1127
        }
slouken@2753
  1128
    }
slouken@5249
  1129
slouken@5249
  1130
    /* Some platforms have OpenGL enabled by default */
slouken@5249
  1131
#if (SDL_VIDEO_OPENGL && __MACOSX__) || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@5249
  1132
    flags |= SDL_WINDOW_OPENGL;
slouken@5249
  1133
#endif
slouken@3057
  1134
    if (flags & SDL_WINDOW_OPENGL) {
slouken@3057
  1135
        if (!_this->GL_CreateContext) {
slouken@3057
  1136
            SDL_SetError("No OpenGL support in video driver");
slouken@3685
  1137
            return NULL;
slouken@3057
  1138
        }
slouken@3057
  1139
        SDL_GL_LoadLibrary(NULL);
slouken@2753
  1140
    }
slouken@3685
  1141
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@3695
  1142
    window->magic = &_this->window_magic;
slouken@3685
  1143
    window->id = _this->next_object_id++;
slouken@3685
  1144
    window->x = x;
slouken@3685
  1145
    window->y = y;
slouken@3685
  1146
    window->w = w;
slouken@3685
  1147
    window->h = h;
slouken@5380
  1148
    if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISUNDEFINED(y) ||
slouken@5380
  1149
        SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@5380
  1150
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@5380
  1151
        int displayIndex;
slouken@5380
  1152
        SDL_Rect bounds;
slouken@5380
  1153
slouken@5380
  1154
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@5380
  1155
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@5404
  1156
        if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@5380
  1157
            window->x = bounds.x + (bounds.w - w) / 2;
slouken@5380
  1158
        }
slouken@5380
  1159
        if (SDL_WINDOWPOS_ISUNDEFINED(y) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@5380
  1160
            window->y = bounds.y + (bounds.h - h) / 2;
slouken@5380
  1161
        }
slouken@5380
  1162
    }
slouken@5380
  1163
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
slouken@5246
  1164
    window->next = _this->windows;
slouken@5246
  1165
    if (_this->windows) {
slouken@5246
  1166
        _this->windows->prev = window;
slouken@3693
  1167
    }
slouken@5246
  1168
    _this->windows = window;
slouken@3685
  1169
slouken@3685
  1170
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@3685
  1171
        SDL_DestroyWindow(window);
slouken@3685
  1172
        return NULL;
slouken@3685
  1173
    }
slouken@0
  1174
slouken@2753
  1175
    if (title) {
slouken@3685
  1176
        SDL_SetWindowTitle(window, title);
slouken@2753
  1177
    }
slouken@5380
  1178
    SDL_FinishWindowCreation(window, flags);
slouken@3685
  1179
slouken@3685
  1180
    return window;
slouken@1895
  1181
}
slouken@0
  1182
slouken@3685
  1183
SDL_Window *
slouken@1895
  1184
SDL_CreateWindowFrom(const void *data)
slouken@1895
  1185
{
slouken@3685
  1186
    SDL_Window *window;
slouken@0
  1187
slouken@2753
  1188
    if (!_this) {
slouken@2753
  1189
        SDL_UninitializedVideo();
slouken@3685
  1190
        return NULL;
slouken@3685
  1191
    }
slouken@3685
  1192
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@3695
  1193
    window->magic = &_this->window_magic;
slouken@3685
  1194
    window->id = _this->next_object_id++;
slouken@3685
  1195
    window->flags = SDL_WINDOW_FOREIGN;
slouken@5246
  1196
    window->next = _this->windows;
slouken@5246
  1197
    if (_this->windows) {
slouken@5246
  1198
        _this->windows->prev = window;
slouken@3693
  1199
    }
slouken@5246
  1200
    _this->windows = window;
slouken@1895
  1201
slouken@2753
  1202
    if (!_this->CreateWindowFrom ||
slouken@3685
  1203
        _this->CreateWindowFrom(_this, window, data) < 0) {
slouken@3685
  1204
        SDL_DestroyWindow(window);
slouken@3685
  1205
        return NULL;
slouken@3685
  1206
    }
slouken@3685
  1207
    return window;
slouken@1895
  1208
}
slouken@1895
  1209
slouken@1924
  1210
int
slouken@1928
  1211
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
  1212
{
slouken@2753
  1213
    char *title = window->title;
slouken@1956
  1214
slouken@2753
  1215
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@2753
  1216
        SDL_SetError("No OpenGL support in video driver");
slouken@2753
  1217
        return -1;
slouken@2753
  1218
    }
slouken@3057
  1219
slouken@3057
  1220
    if (window->flags & SDL_WINDOW_FOREIGN) {
slouken@3057
  1221
        /* Can't destroy and re-create foreign windows, hrm */
slouken@3057
  1222
        flags |= SDL_WINDOW_FOREIGN;
slouken@3057
  1223
    } else {
slouken@3057
  1224
        flags &= ~SDL_WINDOW_FOREIGN;
slouken@3057
  1225
    }
slouken@3057
  1226
slouken@5249
  1227
    /* Restore video mode, etc. */
slouken@5305
  1228
    SDL_HideWindow(window);
slouken@5249
  1229
slouken@5249
  1230
    /* Tear down the old native window */
slouken@5249
  1231
    if (window->surface) {
slouken@5288
  1232
        window->surface->flags &= ~SDL_DONTFREE;
slouken@5249
  1233
        SDL_FreeSurface(window->surface);
slouken@5249
  1234
    }
slouken@5249
  1235
    if (_this->DestroyWindowFramebuffer) {
slouken@5249
  1236
        _this->DestroyWindowFramebuffer(_this, window);
slouken@5249
  1237
    }
slouken@3057
  1238
    if (_this->DestroyWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@2753
  1239
        _this->DestroyWindow(_this, window);
slouken@2753
  1240
    }
slouken@3057
  1241
slouken@5249
  1242
    if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
slouken@5249
  1243
        if (flags & SDL_WINDOW_OPENGL) {
slouken@5249
  1244
            SDL_GL_LoadLibrary(NULL);
slouken@5249
  1245
        } else {
slouken@5249
  1246
            SDL_GL_UnloadLibrary();
slouken@5249
  1247
        }
slouken@5249
  1248
    }
slouken@5249
  1249
slouken@2753
  1250
    window->title = NULL;
slouken@5380
  1251
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
slouken@1956
  1252
slouken@3057
  1253
    if (_this->CreateWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@3057
  1254
        if (_this->CreateWindow(_this, window) < 0) {
slouken@3057
  1255
            if (flags & SDL_WINDOW_OPENGL) {
slouken@3057
  1256
                SDL_GL_UnloadLibrary();
slouken@3057
  1257
            }
slouken@3057
  1258
            return -1;
slouken@3057
  1259
        }
slouken@2753
  1260
    }
slouken@3057
  1261
slouken@2753
  1262
    if (title) {
slouken@3685
  1263
        SDL_SetWindowTitle(window, title);
slouken@2753
  1264
        SDL_free(title);
slouken@2753
  1265
    }
slouken@5380
  1266
    SDL_FinishWindowCreation(window, flags);
slouken@2875
  1267
slouken@2753
  1268
    return 0;
slouken@1924
  1269
}
slouken@1924
  1270
slouken@1895
  1271
Uint32
slouken@3685
  1272
SDL_GetWindowID(SDL_Window * window)
slouken@1895
  1273
{
slouken@3695
  1274
    CHECK_WINDOW_MAGIC(window, 0);
slouken@3695
  1275
slouken@3685
  1276
    return window->id;
slouken@3685
  1277
}
slouken@3685
  1278
slouken@3685
  1279
SDL_Window *
slouken@3685
  1280
SDL_GetWindowFromID(Uint32 id)
slouken@3685
  1281
{
slouken@3685
  1282
    SDL_Window *window;
slouken@3685
  1283
slouken@3685
  1284
    if (!_this) {
slouken@3685
  1285
        return NULL;
slouken@3685
  1286
    }
slouken@5246
  1287
    for (window = _this->windows; window; window = window->next) {
slouken@5246
  1288
        if (window->id == id) {
slouken@5246
  1289
            return window;
slouken@3685
  1290
        }
slouken@3685
  1291
    }
slouken@3685
  1292
    return NULL;
slouken@3685
  1293
}
slouken@3685
  1294
slouken@3685
  1295
Uint32
slouken@3685
  1296
SDL_GetWindowFlags(SDL_Window * window)
slouken@3685
  1297
{
slouken@3695
  1298
    CHECK_WINDOW_MAGIC(window, 0);
slouken@3695
  1299
slouken@2753
  1300
    return window->flags;
slouken@1895
  1301
}
slouken@1895
  1302
slouken@1895
  1303
void
slouken@3685
  1304
SDL_SetWindowTitle(SDL_Window * window, const char *title)
slouken@1895
  1305
{
slouken@3695
  1306
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1307
slouken@3695
  1308
    if (title == window->title) {
slouken@2753
  1309
        return;
slouken@2753
  1310
    }
slouken@2753
  1311
    if (window->title) {
slouken@2753
  1312
        SDL_free(window->title);
slouken@2753
  1313
    }
slouken@4871
  1314
    if (title && *title) {
slouken@2753
  1315
        window->title = SDL_strdup(title);
slouken@2753
  1316
    } else {
slouken@2753
  1317
        window->title = NULL;
slouken@2753
  1318
    }
slouken@1956
  1319
slouken@2753
  1320
    if (_this->SetWindowTitle) {
slouken@2753
  1321
        _this->SetWindowTitle(_this, window);
slouken@2753
  1322
    }
slouken@1895
  1323
}
slouken@1895
  1324
slouken@2753
  1325
const char *
slouken@3685
  1326
SDL_GetWindowTitle(SDL_Window * window)
slouken@1895
  1327
{
slouken@4872
  1328
    CHECK_WINDOW_MAGIC(window, "");
slouken@3695
  1329
slouken@4871
  1330
    return window->title ? window->title : "";
slouken@1895
  1331
}
slouken@1895
  1332
slouken@1895
  1333
void
slouken@3685
  1334
SDL_SetWindowIcon(SDL_Window * window, SDL_Surface * icon)
slouken@2967
  1335
{
slouken@3695
  1336
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1337
slouken@5375
  1338
    if (!icon) {
slouken@5375
  1339
        return;
slouken@5375
  1340
    }
slouken@5375
  1341
slouken@2967
  1342
    if (_this->SetWindowIcon) {
slouken@2967
  1343
        _this->SetWindowIcon(_this, window, icon);
slouken@2967
  1344
    }
slouken@2967
  1345
}
slouken@2967
  1346
slouken@5165
  1347
void*
slouken@5165
  1348
SDL_SetWindowData(SDL_Window * window, const char *name, void *userdata)
slouken@1895
  1349
{
slouken@5165
  1350
    SDL_WindowUserData *prev, *data;
slouken@3695
  1351
slouken@5165
  1352
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@5165
  1353
slouken@5165
  1354
    /* See if the named data already exists */
slouken@5165
  1355
    prev = NULL;
slouken@5165
  1356
    for (data = window->data; data; prev = data, data = data->next) {
slouken@5165
  1357
        if (SDL_strcmp(data->name, name) == 0) {
slouken@5165
  1358
            void *last_value = data->data;
slouken@5165
  1359
slouken@5165
  1360
            if (userdata) {
slouken@5165
  1361
                /* Set the new value */
slouken@5165
  1362
                data->data = userdata;
slouken@5165
  1363
            } else {
slouken@5165
  1364
                /* Delete this value */
slouken@5165
  1365
                if (prev) {
slouken@5165
  1366
                    prev->next = data->next;
slouken@5165
  1367
                } else {
slouken@5165
  1368
                    window->data = data->next;
slouken@5165
  1369
                }
slouken@5165
  1370
                SDL_free(data->name);
slouken@5165
  1371
                SDL_free(data);
slouken@5165
  1372
            }
slouken@5165
  1373
            return last_value;
slouken@5165
  1374
        }
slouken@5165
  1375
    }
slouken@5165
  1376
slouken@5165
  1377
    /* Add new data to the window */
slouken@5165
  1378
    if (userdata) {
slouken@5165
  1379
        data = (SDL_WindowUserData *)SDL_malloc(sizeof(*data));
slouken@5165
  1380
        data->name = SDL_strdup(name);
slouken@5165
  1381
        data->data = userdata;
slouken@5165
  1382
        data->next = window->data;
slouken@5165
  1383
        window->data = data;
slouken@5165
  1384
    }
slouken@5165
  1385
    return NULL;
slouken@1895
  1386
}
slouken@1895
  1387
slouken@2753
  1388
void *
slouken@5165
  1389
SDL_GetWindowData(SDL_Window * window, const char *name)
slouken@1895
  1390
{
slouken@5165
  1391
    SDL_WindowUserData *data;
slouken@5165
  1392
slouken@3695
  1393
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@3695
  1394
slouken@5165
  1395
    for (data = window->data; data; data = data->next) {
slouken@5165
  1396
        if (SDL_strcmp(data->name, name) == 0) {
slouken@5165
  1397
            return data->data;
slouken@5165
  1398
        }
slouken@5165
  1399
    }
slouken@5165
  1400
    return NULL;
slouken@1895
  1401
}
slouken@1895
  1402
slouken@1895
  1403
void
slouken@3685
  1404
SDL_SetWindowPosition(SDL_Window * window, int x, int y)
slouken@1895
  1405
{
slouken@3695
  1406
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1407
slouken@5305
  1408
    if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@2753
  1409
        window->x = x;
slouken@2753
  1410
    }
slouken@5305
  1411
    if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@2753
  1412
        window->y = y;
slouken@2753
  1413
    }
slouken@5246
  1414
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@5246
  1415
        if (_this->SetWindowPosition) {
slouken@5246
  1416
            _this->SetWindowPosition(_this, window);
slouken@5246
  1417
        }
slouken@5246
  1418
        SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@2753
  1419
    }
slouken@1895
  1420
}
slouken@1895
  1421
slouken@1895
  1422
void
slouken@3685
  1423
SDL_GetWindowPosition(SDL_Window * window, int *x, int *y)
slouken@1895
  1424
{
slouken@5246
  1425
    /* Clear the values */
slouken@5246
  1426
    if (x) {
slouken@5246
  1427
        *x = 0;
slouken@5246
  1428
    }
slouken@5246
  1429
    if (y) {
slouken@5246
  1430
        *y = 0;
slouken@5246
  1431
    }
slouken@5246
  1432
slouken@5246
  1433
    CHECK_WINDOW_MAGIC(window, );
slouken@5246
  1434
slouken@5246
  1435
    /* Fullscreen windows are always at their display's origin */
slouken@5246
  1436
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@5246
  1437
    } else {
slouken@5242
  1438
        if (x) {
slouken@5242
  1439
            *x = window->x;
slouken@5242
  1440
        }
slouken@5242
  1441
        if (y) {
slouken@5242
  1442
            *y = window->y;
slouken@5242
  1443
        }
slouken@2753
  1444
    }
slouken@1895
  1445
}
slouken@1895
  1446
slouken@1895
  1447
void
slouken@3685
  1448
SDL_SetWindowSize(SDL_Window * window, int w, int h)
slouken@1895
  1449
{
slouken@3695
  1450
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1451
slouken@5249
  1452
    /* FIXME: Should this change fullscreen modes? */
slouken@5249
  1453
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@5276
  1454
        window->w = w;
slouken@5276
  1455
        window->h = h;
slouken@5249
  1456
        if (_this->SetWindowSize) {
slouken@5249
  1457
            _this->SetWindowSize(_this, window);
slouken@5249
  1458
        }
slouken@5276
  1459
        if (window->w == w && window->h == h) {
slouken@5276
  1460
            /* We didn't get a SDL_WINDOWEVENT_RESIZED event (by design) */
slouken@5276
  1461
            SDL_OnWindowResized(window);
slouken@5276
  1462
        }
slouken@2753
  1463
    }
slouken@1895
  1464
}
slouken@1895
  1465
slouken@1895
  1466
void
slouken@3685
  1467
SDL_GetWindowSize(SDL_Window * window, int *w, int *h)
slouken@1895
  1468
{
slouken@5246
  1469
    int dummy;
slouken@5246
  1470
slouken@5246
  1471
    if (!w) {
slouken@5246
  1472
        w = &dummy;
slouken@5246
  1473
    }
slouken@5246
  1474
    if (!h) {
slouken@5246
  1475
        h = &dummy;
slouken@5246
  1476
    }
slouken@5246
  1477
slouken@5246
  1478
    *w = 0;
slouken@5246
  1479
    *h = 0;
slouken@5246
  1480
slouken@5246
  1481
    CHECK_WINDOW_MAGIC(window, );
slouken@5246
  1482
slouken@5242
  1483
    if (_this && window && window->magic == &_this->window_magic) {
slouken@2849
  1484
        if (w) {
slouken@2849
  1485
            *w = window->w;
slouken@2849
  1486
        }
slouken@2849
  1487
        if (h) {
slouken@2849
  1488
            *h = window->h;
slouken@2849
  1489
        }
slouken@2849
  1490
    } else {
slouken@2849
  1491
        if (w) {
slouken@2849
  1492
            *w = 0;
slouken@2849
  1493
        }
slouken@2849
  1494
        if (h) {
slouken@2849
  1495
            *h = 0;
slouken@2849
  1496
        }
slouken@2753
  1497
    }
slouken@1895
  1498
}
slouken@1895
  1499
slouken@1895
  1500
void
slouken@3685
  1501
SDL_ShowWindow(SDL_Window * window)
slouken@1895
  1502
{
slouken@3695
  1503
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1504
slouken@3695
  1505
    if (window->flags & SDL_WINDOW_SHOWN) {
slouken@2753
  1506
        return;
slouken@2753
  1507
    }
slouken@1895
  1508
slouken@2753
  1509
    if (_this->ShowWindow) {
slouken@2753
  1510
        _this->ShowWindow(_this, window);
slouken@2753
  1511
    }
slouken@3685
  1512
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1513
}
slouken@1895
  1514
slouken@1895
  1515
void
slouken@3685
  1516
SDL_HideWindow(SDL_Window * window)
slouken@1895
  1517
{
slouken@3695
  1518
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1519
slouken@3695
  1520
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@2753
  1521
        return;
slouken@2753
  1522
    }
slouken@1895
  1523
slouken@5404
  1524
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@5404
  1525
slouken@2753
  1526
    if (_this->HideWindow) {
slouken@2753
  1527
        _this->HideWindow(_this, window);
slouken@2753
  1528
    }
slouken@3685
  1529
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1530
}
slouken@1895
  1531
slouken@1895
  1532
void
slouken@3685
  1533
SDL_RaiseWindow(SDL_Window * window)
slouken@1895
  1534
{
slouken@3695
  1535
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1536
slouken@3695
  1537
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@2753
  1538
        return;
slouken@2753
  1539
    }
slouken@2753
  1540
    if (_this->RaiseWindow) {
slouken@2753
  1541
        _this->RaiseWindow(_this, window);
slouken@2753
  1542
    }
slouken@1895
  1543
}
slouken@1895
  1544
slouken@1895
  1545
void
slouken@3685
  1546
SDL_MaximizeWindow(SDL_Window * window)
slouken@1895
  1547
{
slouken@3695
  1548
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1549
slouken@3695
  1550
    if (window->flags & SDL_WINDOW_MAXIMIZED) {
slouken@2753
  1551
        return;
slouken@2753
  1552
    }
slouken@1895
  1553
slouken@2753
  1554
    if (_this->MaximizeWindow) {
slouken@2753
  1555
        _this->MaximizeWindow(_this, window);
slouken@2753
  1556
    }
slouken@1895
  1557
}
slouken@1895
  1558
slouken@1895
  1559
void
slouken@3685
  1560
SDL_MinimizeWindow(SDL_Window * window)
slouken@1895
  1561
{
slouken@3695
  1562
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1563
slouken@3695
  1564
    if (window->flags & SDL_WINDOW_MINIMIZED) {
slouken@2753
  1565
        return;
slouken@2753
  1566
    }
slouken@1895
  1567
slouken@5404
  1568
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@5404
  1569
slouken@2753
  1570
    if (_this->MinimizeWindow) {
slouken@2753
  1571
        _this->MinimizeWindow(_this, window);
slouken@2753
  1572
    }
slouken@1895
  1573
}
slouken@1895
  1574
slouken@1895
  1575
void
slouken@3685
  1576
SDL_RestoreWindow(SDL_Window * window)
slouken@1895
  1577
{
slouken@3695
  1578
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  1579
slouken@3695
  1580
    if (!(window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@2753
  1581
        return;
slouken@2753
  1582
    }
slouken@1895
  1583
slouken@2753
  1584
    if (_this->RestoreWindow) {
slouken@2753
  1585
        _this->RestoreWindow(_this, window);
slouken@2753
  1586
    }
slouken@1895
  1587
}
slouken@1895
  1588
slouken@1895
  1589
int
slouken@5246
  1590
SDL_SetWindowFullscreen(SDL_Window * window, SDL_bool fullscreen)
slouken@1895
  1591
{
slouken@3695
  1592
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3695
  1593
slouken@5404
  1594
    if (!!fullscreen == !!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@2753
  1595
        return 0;
slouken@2753
  1596
    }
slouken@2753
  1597
    if (fullscreen) {
slouken@2753
  1598
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@2753
  1599
    } else {
slouken@2753
  1600
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@5305
  1601
    }
slouken@5404
  1602
    SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window));
slouken@1895
  1603
slouken@2753
  1604
    return 0;
slouken@1895
  1605
}
slouken@1895
  1606
slouken@5166
  1607
static SDL_Surface *
slouken@5166
  1608
SDL_CreateWindowFramebuffer(SDL_Window * window)
slouken@5166
  1609
{
slouken@5166
  1610
    Uint32 format;
slouken@5166
  1611
    void *pixels;
slouken@5166
  1612
    int pitch;
slouken@5166
  1613
    int bpp;
slouken@5166
  1614
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@5166
  1615
slouken@5166
  1616
    if (!_this->CreateWindowFramebuffer || !_this->UpdateWindowFramebuffer) {
slouken@5166
  1617
        return NULL;
slouken@5166
  1618
    }
slouken@5166
  1619
slouken@5166
  1620
    if (_this->CreateWindowFramebuffer(_this, window, &format, &pixels, &pitch) < 0) {
slouken@5166
  1621
        return NULL;
slouken@5166
  1622
    }
slouken@5166
  1623
slouken@5166
  1624
    if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@5166
  1625
        return NULL;
slouken@5166
  1626
    }
slouken@5166
  1627
slouken@5166
  1628
    return SDL_CreateRGBSurfaceFrom(pixels, window->w, window->h, bpp, pitch, Rmask, Gmask, Bmask, Amask);
slouken@5166
  1629
}
slouken@5166
  1630
slouken@5166
  1631
SDL_Surface *
slouken@5166
  1632
SDL_GetWindowSurface(SDL_Window * window)
slouken@5166
  1633
{
slouken@5166
  1634
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@5166
  1635
slouken@5172
  1636
    if (!window->surface_valid) {
slouken@5172
  1637
        if (window->surface) {
slouken@5288
  1638
            window->surface->flags &= ~SDL_DONTFREE;
slouken@5172
  1639
            SDL_FreeSurface(window->surface);
slouken@5172
  1640
        }
slouken@5166
  1641
        window->surface = SDL_CreateWindowFramebuffer(window);
slouken@5169
  1642
        if (window->surface) {
slouken@5172
  1643
            window->surface_valid = SDL_TRUE;
slouken@5288
  1644
            window->surface->flags |= SDL_DONTFREE;
slouken@5169
  1645
        }
slouken@5166
  1646
    }
slouken@5166
  1647
    return window->surface;
slouken@5166
  1648
}
slouken@5166
  1649
slouken@5166
  1650
int
slouken@5166
  1651
SDL_UpdateWindowSurface(SDL_Window * window)
slouken@5166
  1652
{
slouken@5166
  1653
    SDL_Rect full_rect;
slouken@5166
  1654
slouken@5166
  1655
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5166
  1656
slouken@5166
  1657
    full_rect.x = 0;
slouken@5166
  1658
    full_rect.y = 0;
slouken@5166
  1659
    full_rect.w = window->w;
slouken@5166
  1660
    full_rect.h = window->h;
slouken@5297
  1661
    return SDL_UpdateWindowSurfaceRects(window, &full_rect, 1);
slouken@5166
  1662
}
slouken@5166
  1663
slouken@5166
  1664
int
slouken@5297
  1665
SDL_UpdateWindowSurfaceRects(SDL_Window * window, SDL_Rect * rects,
slouken@5297
  1666
                             int numrects)
slouken@5166
  1667
{
slouken@5166
  1668
    CHECK_WINDOW_MAGIC(window, -1);
slouken@5166
  1669
slouken@5172
  1670
    if (!window->surface_valid) {
slouken@5166
  1671
        SDL_SetError("Window surface is invalid, please call SDL_GetWindowSurface() to get a new surface");
slouken@5166
  1672
        return -1;
slouken@5166
  1673
    }
slouken@5166
  1674
slouken@5297
  1675
    return _this->UpdateWindowFramebuffer(_this, window, rects, numrects);
slouken@5166
  1676
}
slouken@5166
  1677
slouken@2875
  1678
static void
slouken@2876
  1679
SDL_UpdateWindowGrab(SDL_Window * window)
slouken@2875
  1680
{
slouken@2753
  1681
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@2753
  1682
        _this->SetWindowGrab(_this, window);
slouken@2753
  1683
    }
slouken@1895
  1684
}
slouken@1895
  1685
slouken@5403
  1686
void
slouken@5403
  1687
SDL_SetWindowGrab(SDL_Window * window, SDL_bool grabbed)
slouken@5403
  1688
{
slouken@5403
  1689
    CHECK_WINDOW_MAGIC(window, );
slouken@5403
  1690
slouken@5404
  1691
    if (!!grabbed == !!(window->flags & SDL_WINDOW_INPUT_GRABBED)) {
slouken@5403
  1692
        return;
slouken@5403
  1693
    }
slouken@5403
  1694
    if (grabbed) {
slouken@5403
  1695
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@5403
  1696
    } else {
slouken@5403
  1697
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@5403
  1698
    }
slouken@5403
  1699
    SDL_UpdateWindowGrab(window);
slouken@5403
  1700
}
slouken@5403
  1701
slouken@5403
  1702
SDL_bool
slouken@3685
  1703
SDL_GetWindowGrab(SDL_Window * window)
slouken@1895
  1704
{
slouken@3695
  1705
    CHECK_WINDOW_MAGIC(window, 0);
slouken@3695
  1706
slouken@2753
  1707
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1708
}
slouken@1895
  1709
slouken@1895
  1710
void
slouken@1895
  1711
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1712
{
slouken@5404
  1713
    SDL_OnWindowRestored(window);
slouken@1895
  1714
}
slouken@1895
  1715
slouken@1895
  1716
void
slouken@1895
  1717
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1718
{
slouken@5404
  1719
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@1895
  1720
}
slouken@1895
  1721
slouken@1895
  1722
void
slouken@5166
  1723
SDL_OnWindowResized(SDL_Window * window)
slouken@5166
  1724
{
slouken@5172
  1725
    window->surface_valid = SDL_FALSE;
slouken@5276
  1726
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
slouken@5166
  1727
}
slouken@5166
  1728
slouken@5166
  1729
void
slouken@3502
  1730
SDL_OnWindowMinimized(SDL_Window * window)
slouken@3502
  1731
{
slouken@5404
  1732
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@3502
  1733
}
slouken@3502
  1734
slouken@3502
  1735
void
slouken@3502
  1736
SDL_OnWindowRestored(SDL_Window * window)
slouken@3502
  1737
{
slouken@3685
  1738
    SDL_RaiseWindow(window);
slouken@5404
  1739
slouken@5404
  1740
    if (FULLSCREEN_VISIBLE(window)) {
slouken@5404
  1741
        SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@5404
  1742
    }
slouken@3502
  1743
}
slouken@3502
  1744
slouken@3502
  1745
void
slouken@1895
  1746
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1747
{
slouken@2876
  1748
    if ((window->flags & (SDL_WINDOW_INPUT_GRABBED | SDL_WINDOW_FULLSCREEN))
slouken@2876
  1749
        && _this->SetWindowGrab) {
slouken@2753
  1750
        _this->SetWindowGrab(_this, window);
slouken@2753
  1751
    }
slouken@1895
  1752
}
slouken@1895
  1753
slouken@1895
  1754
void
slouken@1895
  1755
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1756
{
slouken@3512
  1757
    /* If we're fullscreen on a single-head system and lose focus, minimize */
slouken@3512
  1758
    if ((window->flags & SDL_WINDOW_FULLSCREEN) &&
slouken@3512
  1759
        _this->num_displays == 1) {
slouken@3685
  1760
        SDL_MinimizeWindow(window);
slouken@3512
  1761
    }
slouken@3512
  1762
slouken@2876
  1763
    if ((window->flags & (SDL_WINDOW_INPUT_GRABBED | SDL_WINDOW_FULLSCREEN))
slouken@2876
  1764
        && _this->SetWindowGrab) {
slouken@2753
  1765
        _this->SetWindowGrab(_this, window);
slouken@2753
  1766
    }
slouken@1895
  1767
}
slouken@1895
  1768
slouken@3685
  1769
SDL_Window *
slouken@1895
  1770
SDL_GetFocusWindow(void)
slouken@1895
  1771
{
slouken@3685
  1772
    SDL_Window *window;
slouken@1895
  1773
slouken@2753
  1774
    if (!_this) {
slouken@3685
  1775
        return NULL;
slouken@3685
  1776
    }
slouken@5246
  1777
    for (window = _this->windows; window; window = window->next) {
slouken@2753
  1778
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@3685
  1779
            return window;
slouken@2753
  1780
        }
slouken@2753
  1781
    }
slouken@3685
  1782
    return NULL;
slouken@1895
  1783
}
slouken@1895
  1784
slouken@1895
  1785
void
slouken@3685
  1786
SDL_DestroyWindow(SDL_Window * window)
slouken@1895
  1787
{
slouken@3685
  1788
    SDL_VideoDisplay *display;
slouken@3685
  1789
slouken@3695
  1790
    CHECK_WINDOW_MAGIC(window, );
slouken@3503
  1791
slouken@3685
  1792
    /* Restore video mode, etc. */
slouken@5305
  1793
    SDL_HideWindow(window);
slouken@3685
  1794
slouken@5169
  1795
    if (window->surface) {
slouken@5288
  1796
        window->surface->flags &= ~SDL_DONTFREE;
slouken@5169
  1797
        SDL_FreeSurface(window->surface);
slouken@5169
  1798
    }
slouken@5166
  1799
    if (_this->DestroyWindowFramebuffer) {
slouken@5166
  1800
        _this->DestroyWindowFramebuffer(_this, window);
slouken@5166
  1801
    }
slouken@3685
  1802
    if (_this->DestroyWindow) {
slouken@3685
  1803
        _this->DestroyWindow(_this, window);
slouken@3685
  1804
    }
slouken@3685
  1805
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@3685
  1806
        SDL_GL_UnloadLibrary();
slouken@3685
  1807
    }
slouken@3685
  1808
slouken@5246
  1809
    display = SDL_GetDisplayForWindow(window);
slouken@5246
  1810
    if (display->fullscreen_window == window) {
slouken@5246
  1811
        display->fullscreen_window = NULL;
slouken@5246
  1812
    }
slouken@5246
  1813
slouken@4901
  1814
    /* Now invalidate magic */
slouken@4897
  1815
    window->magic = NULL;
slouken@4897
  1816
slouken@5165
  1817
    /* Free memory associated with the window */
slouken@5165
  1818
    if (window->title) {
slouken@5165
  1819
        SDL_free(window->title);
slouken@5165
  1820
    }
slouken@5165
  1821
    while (window->data) {
slouken@5165
  1822
        SDL_WindowUserData *data = window->data;
slouken@5165
  1823
slouken@5165
  1824
        window->data = data->next;
slouken@5165
  1825
        SDL_free(data->name);
slouken@5165
  1826
        SDL_free(data);
slouken@5165
  1827
    }
slouken@5165
  1828
slouken@3685
  1829
    /* Unlink the window from the list */
slouken@3693
  1830
    if (window->next) {
slouken@3693
  1831
        window->next->prev = window->prev;
slouken@3693
  1832
    }
slouken@3685
  1833
    if (window->prev) {
slouken@3685
  1834
        window->prev->next = window->next;
slouken@3685
  1835
    } else {
slouken@5246
  1836
        _this->windows = window->next;
slouken@3685
  1837
    }
slouken@3685
  1838
slouken@3685
  1839
    SDL_free(window);
slouken@1895
  1840
}
slouken@1895
  1841
slouken@3025
  1842
SDL_bool
slouken@3025
  1843
SDL_IsScreenSaverEnabled()
slouken@3025
  1844
{
slouken@3025
  1845
    if (!_this) {
slouken@3025
  1846
        return SDL_TRUE;
slouken@3025
  1847
    }
slouken@3025
  1848
    return _this->suspend_screensaver ? SDL_FALSE : SDL_TRUE;
slouken@3025
  1849
}
slouken@3025
  1850
slouken@3025
  1851
void
slouken@3025
  1852
SDL_EnableScreenSaver()
slouken@3025
  1853
{
slouken@3025
  1854
    if (!_this) {
slouken@3025
  1855
        return;
slouken@3025
  1856
    }
slouken@3025
  1857
    if (!_this->suspend_screensaver) {
slouken@3025
  1858
        return;
slouken@3025
  1859
    }
slouken@3025
  1860
    _this->suspend_screensaver = SDL_FALSE;
slouken@3025
  1861
    if (_this->SuspendScreenSaver) {
slouken@3025
  1862
        _this->SuspendScreenSaver(_this);
slouken@3025
  1863
    }
slouken@3025
  1864
}
slouken@3025
  1865
slouken@3025
  1866
void
slouken@3025
  1867
SDL_DisableScreenSaver()
slouken@3025
  1868
{
slouken@3025
  1869
    if (!_this) {
slouken@3025
  1870
        return;
slouken@3025
  1871
    }
slouken@3025
  1872
    if (_this->suspend_screensaver) {
slouken@3025
  1873
        return;
slouken@3025
  1874
    }
slouken@3025
  1875
    _this->suspend_screensaver = SDL_TRUE;
slouken@3025
  1876
    if (_this->SuspendScreenSaver) {
slouken@3025
  1877
        _this->SuspendScreenSaver(_this);
slouken@3025
  1878
    }
slouken@3025
  1879
}
slouken@3025
  1880
slouken@1895
  1881
void
slouken@1895
  1882
SDL_VideoQuit(void)
slouken@1895
  1883
{
slouken@2753
  1884
    int i, j;
slouken@1895
  1885
slouken@2753
  1886
    if (!_this) {
slouken@2753
  1887
        return;
slouken@2753
  1888
    }
slouken@5123
  1889
slouken@2753
  1890
    /* Halt event processing before doing anything else */
slouken@5123
  1891
    SDL_QuitQuit();
slouken@5123
  1892
    SDL_MouseQuit();
slouken@5123
  1893
    SDL_KeyboardQuit();
slouken@2753
  1894
    SDL_StopEventLoop();
slouken@5123
  1895
slouken@3029
  1896
    SDL_EnableScreenSaver();
slouken@1895
  1897
slouken@2753
  1898
    /* Clean up the system video */
slouken@5246
  1899
    while (_this->windows) {
slouken@5246
  1900
        SDL_DestroyWindow(_this->windows);
slouken@2753
  1901
    }
slouken@2753
  1902
    _this->VideoQuit(_this);
slouken@1895
  1903
slouken@2753
  1904
    for (i = _this->num_displays; i--;) {
slouken@2753
  1905
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@2753
  1906
        for (j = display->num_display_modes; j--;) {
slouken@2753
  1907
            if (display->display_modes[j].driverdata) {
slouken@2753
  1908
                SDL_free(display->display_modes[j].driverdata);
slouken@2753
  1909
                display->display_modes[j].driverdata = NULL;
slouken@2753
  1910
            }
slouken@2753
  1911
        }
slouken@2753
  1912
        if (display->display_modes) {
slouken@2753
  1913
            SDL_free(display->display_modes);
slouken@2753
  1914
            display->display_modes = NULL;
slouken@2753
  1915
        }
slouken@2753
  1916
        if (display->desktop_mode.driverdata) {
slouken@2753
  1917
            SDL_free(display->desktop_mode.driverdata);
slouken@2753
  1918
            display->desktop_mode.driverdata = NULL;
slouken@2753
  1919
        }
slouken@2753
  1920
        if (display->driverdata) {
slouken@2753
  1921
            SDL_free(display->driverdata);
slouken@2753
  1922
            display->driverdata = NULL;
slouken@2753
  1923
        }
slouken@2753
  1924
    }
slouken@2753
  1925
    if (_this->displays) {
slouken@2753
  1926
        SDL_free(_this->displays);
slouken@2753
  1927
        _this->displays = NULL;
slouken@2753
  1928
    }
slouken@4495
  1929
    if (_this->clipboard_text) {
slouken@4495
  1930
        SDL_free(_this->clipboard_text);
slouken@4495
  1931
        _this->clipboard_text = NULL;
slouken@4495
  1932
    }
slouken@2753
  1933
    _this->free(_this);
slouken@2753
  1934
    _this = NULL;
slouken@0
  1935
}
slouken@0
  1936
slouken@1895
  1937
int
slouken@1895
  1938
SDL_GL_LoadLibrary(const char *path)
slouken@0
  1939
{
slouken@2753
  1940
    int retval;
slouken@0
  1941
slouken@2753
  1942
    if (!_this) {
slouken@2753
  1943
        SDL_UninitializedVideo();
slouken@2753
  1944
        return -1;
slouken@2753
  1945
    }
slouken@3057
  1946
    if (_this->gl_config.driver_loaded) {
slouken@3057
  1947
        if (path && SDL_strcmp(path, _this->gl_config.driver_path) != 0) {
slouken@3057
  1948
            SDL_SetError("OpenGL library already loaded");
slouken@3057
  1949
            return -1;
slouken@3057
  1950
        }
slouken@3057
  1951
        retval = 0;
slouken@3057
  1952
    } else {
slouken@3057
  1953
        if (!_this->GL_LoadLibrary) {
slouken@3057
  1954
            SDL_SetError("No dynamic GL support in video driver");
slouken@3057
  1955
            return -1;
slouken@3057
  1956
        }
slouken@2753
  1957
        retval = _this->GL_LoadLibrary(_this, path);
slouken@3057
  1958
    }
slouken@3057
  1959
    if (retval == 0) {
slouken@3057
  1960
        ++_this->gl_config.driver_loaded;
slouken@2753
  1961
    }
slouken@2753
  1962
    return (retval);
slouken@0
  1963
}
slouken@0
  1964
slouken@2753
  1965
void *
slouken@1895
  1966
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  1967
{
slouken@2753
  1968
    void *func;
slouken@0
  1969
slouken@2753
  1970
    if (!_this) {
slouken@2753
  1971
        SDL_UninitializedVideo();
slouken@2753
  1972
        return NULL;
slouken@2753
  1973
    }
slouken@2753
  1974
    func = NULL;
slouken@2753
  1975
    if (_this->GL_GetProcAddress) {
slouken@2753
  1976
        if (_this->gl_config.driver_loaded) {
slouken@2753
  1977
            func = _this->GL_GetProcAddress(_this, proc);
slouken@2753
  1978
        } else {
slouken@2753
  1979
            SDL_SetError("No GL driver has been loaded");
slouken@2753
  1980
        }
slouken@2753
  1981
    } else {
slouken@2753
  1982
        SDL_SetError("No dynamic GL support in video driver");
slouken@2753
  1983
    }
slouken@2753
  1984
    return func;
slouken@0
  1985
}
slouken@0
  1986
slouken@3057
  1987
void
slouken@3057
  1988
SDL_GL_UnloadLibrary(void)
slouken@3057
  1989
{
slouken@3057
  1990
    if (!_this) {
slouken@3057
  1991
        SDL_UninitializedVideo();
slouken@3057
  1992
        return;
slouken@3057
  1993
    }
slouken@3057
  1994
    if (_this->gl_config.driver_loaded > 0) {
slouken@3057
  1995
        if (--_this->gl_config.driver_loaded > 0) {
slouken@3057
  1996
            return;
slouken@3057
  1997
        }
slouken@3057
  1998
        if (_this->GL_UnloadLibrary) {
slouken@3057
  1999
            _this->GL_UnloadLibrary(_this);
slouken@3057
  2000
        }
slouken@3057
  2001
    }
slouken@3057
  2002
}
slouken@3057
  2003
slouken@1926
  2004
SDL_bool
slouken@1926
  2005
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2006
{
slouken@5209
  2007
#if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@2753
  2008
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@2753
  2009
    const char *extensions;
slouken@2753
  2010
    const char *start;
slouken@2753
  2011
    const char *where, *terminator;
slouken@1926
  2012
slouken@2753
  2013
    /* Extension names should not have spaces. */
slouken@2753
  2014
    where = SDL_strchr(extension, ' ');
slouken@2753
  2015
    if (where || *extension == '\0') {
slouken@2753
  2016
        return SDL_FALSE;
slouken@2753
  2017
    }
slouken@2753
  2018
    /* See if there's an environment variable override */
slouken@2753
  2019
    start = SDL_getenv(extension);
slouken@2753
  2020
    if (start && *start == '0') {
slouken@2753
  2021
        return SDL_FALSE;
slouken@2753
  2022
    }
slouken@2753
  2023
    /* Lookup the available extensions */
slouken@2753
  2024
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@2753
  2025
    if (glGetStringFunc) {
slouken@2753
  2026
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@2753
  2027
    } else {
slouken@2753
  2028
        extensions = NULL;
slouken@2753
  2029
    }
slouken@2753
  2030
    if (!extensions) {
slouken@2753
  2031
        return SDL_FALSE;
slouken@2753
  2032
    }
slouken@2753
  2033
    /*
slouken@2753
  2034
     * It takes a bit of care to be fool-proof about parsing the OpenGL
slouken@2753
  2035
     * extensions string. Don't be fooled by sub-strings, etc.
slouken@2753
  2036
     */
slouken@1926
  2037
slouken@2753
  2038
    start = extensions;
slouken@1926
  2039
slouken@2753
  2040
    for (;;) {
slouken@2753
  2041
        where = SDL_strstr(start, extension);
slouken@2753
  2042
        if (!where)
slouken@2753
  2043
            break;
slouken@1926
  2044
slouken@2753
  2045
        terminator = where + SDL_strlen(extension);
slouken@2753
  2046
        if (where == start || *(where - 1) == ' ')
slouken@2753
  2047
            if (*terminator == ' ' || *terminator == '\0')
slouken@2753
  2048
                return SDL_TRUE;
slouken@1926
  2049
slouken@2753
  2050
        start = terminator;
slouken@2753
  2051
    }
slouken@2753
  2052
    return SDL_FALSE;
slouken@1926
  2053
#else
slouken@2753
  2054
    return SDL_FALSE;
slouken@1926
  2055
#endif
slouken@1926
  2056
}
slouken@1926
  2057
slouken@1895
  2058
int
slouken@1895
  2059
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2060
{
slouken@5209
  2061
#if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@2753
  2062
    int retval;
slouken@0
  2063
slouken@2753
  2064
    if (!_this) {
slouken@2753
  2065
        SDL_UninitializedVideo();
slouken@2753
  2066
        return -1;
slouken@2753
  2067
    }
slouken@2753
  2068
    retval = 0;
slouken@2753
  2069
    switch (attr) {
slouken@2753
  2070
    case SDL_GL_RED_SIZE:
slouken@2753
  2071
        _this->gl_config.red_size = value;
slouken@2753
  2072
        break;
slouken@2753
  2073
    case SDL_GL_GREEN_SIZE:
slouken@2753
  2074
        _this->gl_config.green_size = value;
slouken@2753
  2075
        break;
slouken@2753
  2076
    case SDL_GL_BLUE_SIZE:
slouken@2753
  2077
        _this->gl_config.blue_size = value;
slouken@2753
  2078
        break;
slouken@2753
  2079
    case SDL_GL_ALPHA_SIZE:
slouken@2753
  2080
        _this->gl_config.alpha_size = value;
slouken@2753
  2081
        break;
slouken@2753
  2082
    case SDL_GL_DOUBLEBUFFER:
slouken@2753
  2083
        _this->gl_config.double_buffer = value;
slouken@2753
  2084
        break;
slouken@2753
  2085
    case SDL_GL_BUFFER_SIZE:
slouken@2753
  2086
        _this->gl_config.buffer_size = value;
slouken@2753
  2087
        break;
slouken@2753
  2088
    case SDL_GL_DEPTH_SIZE:
slouken@2753
  2089
        _this->gl_config.depth_size = value;
slouken@2753
  2090
        break;
slouken@2753
  2091
    case SDL_GL_STENCIL_SIZE:
slouken@2753
  2092
        _this->gl_config.stencil_size = value;
slouken@2753
  2093
        break;
slouken@2753
  2094
    case SDL_GL_ACCUM_RED_SIZE:
slouken@2753
  2095
        _this->gl_config.accum_red_size = value;
slouken@2753
  2096
        break;
slouken@2753
  2097
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@2753
  2098
        _this->gl_config.accum_green_size = value;
slouken@2753
  2099
        break;
slouken@2753
  2100
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@2753
  2101
        _this->gl_config.accum_blue_size = value;
slouken@2753
  2102
        break;
slouken@2753
  2103
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@2753
  2104
        _this->gl_config.accum_alpha_size = value;
slouken@2753
  2105
        break;
slouken@2753
  2106
    case SDL_GL_STEREO:
slouken@2753
  2107
        _this->gl_config.stereo = value;
slouken@2753
  2108
        break;
slouken@2753
  2109
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@2753
  2110
        _this->gl_config.multisamplebuffers = value;
slouken@2753
  2111
        break;
slouken@2753
  2112
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@2753
  2113
        _this->gl_config.multisamplesamples = value;
slouken@2753
  2114
        break;
slouken@2753
  2115
    case SDL_GL_ACCELERATED_VISUAL:
slouken@2753
  2116
        _this->gl_config.accelerated = value;
slouken@2753
  2117
        break;
slouken@2753
  2118
    case SDL_GL_RETAINED_BACKING:
slouken@2753
  2119
        _this->gl_config.retained_backing = value;
slouken@2753
  2120
        break;
slouken@3100
  2121
    case SDL_GL_CONTEXT_MAJOR_VERSION:
slouken@3100
  2122
        _this->gl_config.major_version = value;
slouken@3100
  2123
        break;
slouken@3100
  2124
    case SDL_GL_CONTEXT_MINOR_VERSION:
slouken@3100
  2125
        _this->gl_config.minor_version = value;
slouken@3100
  2126
        break;
slouken@2753
  2127
    default:
slouken@2753
  2128
        SDL_SetError("Unknown OpenGL attribute");
slouken@2753
  2129
        retval = -1;
slouken@2753
  2130
        break;
slouken@2753
  2131
    }
slouken@2753
  2132
    return retval;
slouken@1936
  2133
#else
slouken@2753
  2134
    SDL_Unsupported();
slouken@2753
  2135
    return -1;
slouken@2753
  2136
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2137
}
slouken@0
  2138
slouken@1895
  2139
int
slouken@1936
  2140
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2141
{
slouken@5209
  2142
#if SDL_VIDEO_OPENGL || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@2753
  2143
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@3139
  2144
    GLenum(APIENTRY * glGetErrorFunc) (void);
slouken@2753
  2145
    GLenum attrib = 0;
slouken@3099
  2146
    GLenum error = 0;
slouken@1912
  2147
slouken@2753
  2148
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@2753
  2149
    if (!glGetIntegervFunc) {
slouken@2753
  2150
        return -1;
slouken@2753
  2151
    }
slouken@3099
  2152
slouken@3099
  2153
    glGetErrorFunc = SDL_GL_GetProcAddress("glGetError");
slouken@3099
  2154
    if (!glGetErrorFunc) {
slouken@3099
  2155
        return -1;
slouken@3099
  2156
    }
slouken@3099
  2157
slouken@3099
  2158
    /* Clear value in any case */
slouken@3139
  2159
    *value = 0;
slouken@3099
  2160
slouken@2753
  2161
    switch (attr) {
slouken@2753
  2162
    case SDL_GL_RED_SIZE:
slouken@2753
  2163
        attrib = GL_RED_BITS;
slouken@2753
  2164
        break;
slouken@2753
  2165
    case SDL_GL_BLUE_SIZE:
slouken@2753
  2166
        attrib = GL_BLUE_BITS;
slouken@2753
  2167
        break;
slouken@2753
  2168
    case SDL_GL_GREEN_SIZE:
slouken@2753
  2169
        attrib = GL_GREEN_BITS;
slouken@2753
  2170
        break;
slouken@2753
  2171
    case SDL_GL_ALPHA_SIZE:
slouken@2753
  2172
        attrib = GL_ALPHA_BITS;
slouken@2753
  2173
        break;
slouken@2753
  2174
    case SDL_GL_DOUBLEBUFFER:
slouken@5209
  2175
#if SDL_VIDEO_OPENGL
slouken@2753
  2176
        attrib = GL_DOUBLEBUFFER;
slouken@2753
  2177
        break;
hfutrell@2745
  2178
#else
slouken@3099
  2179
        /* OpenGL ES 1.0 and above specifications have EGL_SINGLE_BUFFER      */
slouken@3099
  2180
        /* parameter which switches double buffer to single buffer. OpenGL ES */
slouken@3099
  2181
        /* SDL driver must set proper value after initialization              */
slouken@3099
  2182
        *value = _this->gl_config.double_buffer;
slouken@2753
  2183
        return 0;
hfutrell@2745
  2184
#endif
slouken@2753
  2185
    case SDL_GL_DEPTH_SIZE:
slouken@2753
  2186
        attrib = GL_DEPTH_BITS;
slouken@2753
  2187
        break;
slouken@2753
  2188
    case SDL_GL_STENCIL_SIZE:
slouken@2753
  2189
        attrib = GL_STENCIL_BITS;
slouken@2753
  2190
        break;
slouken@5209
  2191
#if SDL_VIDEO_OPENGL
slouken@2753
  2192
    case SDL_GL_ACCUM_RED_SIZE:
slouken@2753
  2193
        attrib = GL_ACCUM_RED_BITS;
slouken@2753
  2194
        break;
slouken@2753
  2195
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@2753
  2196
        attrib = GL_ACCUM_GREEN_BITS;
slouken@2753
  2197
        break;
slouken@2753
  2198
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@2753
  2199
        attrib = GL_ACCUM_BLUE_BITS;
slouken@2753
  2200
        break;
slouken@2753
  2201
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@2753
  2202
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@2753
  2203
        break;
slouken@2753
  2204
    case SDL_GL_STEREO:
slouken@2753
  2205
        attrib = GL_STEREO;
slouken@2753
  2206
        break;
hfutrell@2745
  2207
#else
slouken@2753
  2208
    case SDL_GL_ACCUM_RED_SIZE:
slouken@2753
  2209
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@2753
  2210
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@2753
  2211
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@2753
  2212
    case SDL_GL_STEREO:
slouken@2753
  2213
        /* none of these are supported in OpenGL ES */
slouken@2753
  2214
        *value = 0;
slouken@2753
  2215
        return 0;
hfutrell@2745
  2216
#endif
slouken@2753
  2217
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@5209
  2218
#if SDL_VIDEO_OPENGL
slouken@2753
  2219
        attrib = GL_SAMPLE_BUFFERS_ARB;
hfutrell@2745
  2220
#else
slouken@2753
  2221
        attrib = GL_SAMPLE_BUFFERS;
hfutrell@2745
  2222
#endif
slouken@2753
  2223
        break;
slouken@2753
  2224
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@5209
  2225
#if SDL_VIDEO_OPENGL
slouken@2753
  2226
        attrib = GL_SAMPLES_ARB;
hfutrell@2745
  2227
#else
slouken@2753
  2228
        attrib = GL_SAMPLES;
hfutrell@2745
  2229
#endif
slouken@2753
  2230
        break;
slouken@2753
  2231
    case SDL_GL_BUFFER_SIZE:
slouken@2753
  2232
        {
slouken@2753
  2233
            GLint bits = 0;
slouken@2753
  2234
            GLint component;
slouken@1936
  2235
slouken@2753
  2236
            /*
slouken@2753
  2237
             * there doesn't seem to be a single flag in OpenGL
slouken@2753
  2238
             * for this!
slouken@2753
  2239
             */
slouken@2753
  2240
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@2753
  2241
            bits += component;
slouken@2753
  2242
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@2753
  2243
            bits += component;
slouken@2753
  2244
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@2753
  2245
            bits += component;
slouken@2753
  2246
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@2753
  2247
            bits += component;
slouken@1936
  2248
slouken@2753
  2249
            *value = bits;
slouken@2753
  2250
            return 0;
slouken@2753
  2251
        }
slouken@2753
  2252
    case SDL_GL_ACCELERATED_VISUAL:
slouken@2753
  2253
        {
slouken@2753
  2254
            /* FIXME: How do we get this information? */
slouken@3571
  2255
            *value = (_this->gl_config.accelerated != 0);
slouken@2753
  2256
            return 0;
slouken@2753
  2257
        }
slouken@5210
  2258
    case SDL_GL_RETAINED_BACKING:
slouken@5210
  2259
        {
slouken@5210
  2260
            *value = _this->gl_config.retained_backing;
slouken@5210
  2261
            return 0;
slouken@5210
  2262
        }
slouken@5210
  2263
    case SDL_GL_CONTEXT_MAJOR_VERSION:
slouken@5210
  2264
        {
slouken@5210
  2265
            *value = _this->gl_config.major_version;
slouken@5210
  2266
            return 0;
slouken@5210
  2267
        }
slouken@5210
  2268
    case SDL_GL_CONTEXT_MINOR_VERSION:
slouken@5210
  2269
        {
slouken@5210
  2270
            *value = _this->gl_config.minor_version;
slouken@5210
  2271
            return 0;
slouken@5210
  2272
        }
slouken@2753
  2273
    default:
slouken@2753
  2274
        SDL_SetError("Unknown OpenGL attribute");
slouken@2753
  2275
        return -1;
slouken@2753
  2276
    }
slouken@0
  2277
slouken@2753
  2278
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@3139
  2279
    error = glGetErrorFunc();
slouken@3139
  2280
    if (error != GL_NO_ERROR) {
slouken@3139
  2281
        switch (error) {
slouken@3139
  2282
        case GL_INVALID_ENUM:
slouken@3139
  2283
            {
slouken@3139
  2284
                SDL_SetError("OpenGL error: GL_INVALID_ENUM");
slouken@3139
  2285
            }
slouken@3139
  2286
            break;
slouken@3139
  2287
        case GL_INVALID_VALUE:
slouken@3139
  2288
            {
slouken@3139
  2289
                SDL_SetError("OpenGL error: GL_INVALID_VALUE");
slouken@3139
  2290
            }
slouken@3139
  2291
            break;
slouken@3139
  2292
        default:
slouken@3139
  2293
            {
slouken@3139
  2294
                SDL_SetError("OpenGL error: %08X", error);
slouken@3139
  2295
            }
slouken@3139
  2296
            break;
slouken@3139
  2297
        }
slouken@3139
  2298
        return -1;
slouken@3099
  2299
    }
slouken@2753
  2300
    return 0;
slouken@1936
  2301
#else
slouken@2753
  2302
    SDL_Unsupported();
slouken@2753
  2303
    return -1;
slouken@2753
  2304
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2305
}
slouken@0
  2306
slouken@1912
  2307
SDL_GLContext
slouken@3685
  2308
SDL_GL_CreateContext(SDL_Window * window)
slouken@1912
  2309
{
slouken@3695
  2310
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@3695
  2311
slouken@2753
  2312
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@2753
  2313
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@2753
  2314
        return NULL;
slouken@2753
  2315
    }
slouken@2753
  2316
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2317
}
slouken@1912
  2318
slouken@1912
  2319
int
slouken@3685
  2320
SDL_GL_MakeCurrent(SDL_Window * window, SDL_GLContext context)
slouken@1912
  2321
{
slouken@3695
  2322
    CHECK_WINDOW_MAGIC(window, -1);
slouken@3695
  2323
slouken@3695
  2324
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@2753
  2325
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@2753
  2326
        return -1;
slouken@2753
  2327
    }
slouken@2753
  2328
    if (!context) {
slouken@2753
  2329
        window = NULL;
slouken@2753
  2330
    }
slouken@2753
  2331
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2332
}
slouken@1912
  2333
slouken@1912
  2334
int
slouken@1912
  2335
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2336
{
slouken@2753
  2337
    if (!_this) {
slouken@2753
  2338
        SDL_UninitializedVideo();
slouken@2753
  2339
        return -1;
slouken@2753
  2340
    }
slouken@2753
  2341
    if (_this->GL_SetSwapInterval) {
slouken@2753
  2342
        return _this->GL_SetSwapInterval(_this, interval);
slouken@2753
  2343
    } else {
slouken@2753
  2344
        SDL_SetError("Setting the swap interval is not supported");
slouken@2753
  2345
        return -1;
slouken@2753
  2346
    }
slouken@1912
  2347
}
slouken@1912
  2348
slouken@1912
  2349
int
slouken@1912
  2350
SDL_GL_GetSwapInterval(void)
slouken@1912
  2351
{
slouken@2753
  2352
    if (!_this) {
slouken@2753
  2353
        SDL_UninitializedVideo();
slouken@2753
  2354
        return -1;
slouken@2753
  2355
    }
slouken@2753
  2356
    if (_this->GL_GetSwapInterval) {
slouken@2753
  2357
        return _this->GL_GetSwapInterval(_this);
slouken@2753
  2358
    } else {
slouken@2753
  2359
        SDL_SetError("Getting the swap interval is not supported");
slouken@2753
  2360
        return -1;
slouken@2753
  2361
    }
slouken@1912
  2362
}
slouken@1912
  2363
slouken@1895
  2364
void
slouken@3685
  2365
SDL_GL_SwapWindow(SDL_Window * window)
slouken@0
  2366
{
slouken@3695
  2367
    CHECK_WINDOW_MAGIC(window, );
slouken@3695
  2368
slouken@2753
  2369
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@2753
  2370
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@2753
  2371
        return;
slouken@2753
  2372
    }
slouken@2753
  2373
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2374
}
slouken@1912
  2375
slouken@1912
  2376
void
slouken@1912
  2377
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2378
{
slouken@4526
  2379
    if (!_this || !_this->gl_data || !context) {
slouken@2753
  2380
        return;
slouken@2753
  2381
    }
slouken@2753
  2382
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@2753
  2383
    _this->GL_DeleteContext(_this, context);
slouken@0
  2384
}
slouken@0
  2385
slouken@1895
  2386
#if 0                           // FIXME
hfutrell@2744
  2387
/*
hfutrell@2744
  2388
 * Utility function used by SDL_WM_SetIcon(); flags & 1 for color key, flags
hfutrell@2744
  2389
 * & 2 for alpha channel.
hfutrell@2744
  2390
 */
slouken@1895
  2391
static void
slouken@1895
  2392
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2393
{
slouken@2753
  2394
    int x, y;
slouken@2753
  2395
    Uint32 colorkey;
slouken@0
  2396
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2397
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2398
slouken@2753
  2399
    colorkey = icon->format->colorkey;
slouken@2753
  2400
    switch (icon->format->BytesPerPixel) {
slouken@2753
  2401
    case 1:
slouken@2753
  2402
        {
slouken@2753
  2403
            Uint8 *pixels;
slouken@2753
  2404
            for (y = 0; y < icon->h; ++y) {
slouken@2753
  2405
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@2753
  2406
                for (x = 0; x < icon->w; ++x) {
slouken@2753
  2407
                    if (*pixels++ == colorkey) {
slouken@2753
  2408
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2409
                    }
slouken@2753
  2410
                }
slouken@2753
  2411
            }
slouken@2753
  2412
        }
slouken@2753
  2413
        break;
slouken@0
  2414
slouken@2753
  2415
    case 2:
slouken@2753
  2416
        {
slouken@2753
  2417
            Uint16 *pixels;
slouken@2753
  2418
            for (y = 0; y < icon->h; ++y) {
slouken@2753
  2419
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@2753
  2420
                for (x = 0; x < icon->w; ++x) {
slouken@2753
  2421
                    if ((flags & 1) && *pixels == colorkey) {
slouken@2753
  2422
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2423
                    } else if ((flags & 2)
slouken@2753
  2424
                               && (*pixels & icon->format->Amask) == 0) {
slouken@2753
  2425
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2426
                    }
slouken@2753
  2427
                    pixels++;
slouken@2753
  2428
                }
slouken@2753
  2429
            }
slouken@2753
  2430
        }
slouken@2753
  2431
        break;
slouken@0
  2432
slouken@2753
  2433
    case 4:
slouken@2753
  2434
        {
slouken@2753
  2435
            Uint32 *pixels;
slouken@2753
  2436
            for (y = 0; y < icon->h; ++y) {
slouken@2753
  2437
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@2753
  2438
                for (x = 0; x < icon->w; ++x) {
slouken@2753
  2439
                    if ((flags & 1) && *pixels == colorkey) {
slouken@2753
  2440
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2441
                    } else if ((flags & 2)
slouken@2753
  2442
                               && (*pixels & icon->format->Amask) == 0) {
slouken@2753
  2443
                        SET_MASKBIT(icon, x, y, mask);
slouken@2753
  2444
                    }
slouken@2753
  2445
                    pixels++;
slouken@2753
  2446
                }
slouken@2753
  2447
            }
slouken@2753
  2448
        }
slouken@2753
  2449
        break;
slouken@2753
  2450
    }
slouken@0
  2451
}
slouken@0
  2452
slouken@0
  2453
/*
slouken@0
  2454
 * Sets the window manager icon for the display window.
slouken@0
  2455
 */
slouken@1895
  2456
void
slouken@1895
  2457
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2458
{
slouken@2753
  2459
    if (icon && _this->SetIcon) {
slouken@2753
  2460
        /* Generate a mask if necessary, and create the icon! */
slouken@2753
  2461
        if (mask == NULL) {
slouken@2753
  2462
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@2753
  2463
            int flags = 0;
slouken@2753
  2464
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@2753
  2465
            if (mask == NULL) {
slouken@2753
  2466
                return;
slouken@2753
  2467
            }
slouken@2753
  2468
            SDL_memset(mask, ~0, mask_len);
slouken@2753
  2469
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@2753
  2470
                flags |= 1;
slouken@2753
  2471
            if (icon->flags & SDL_SRCALPHA)
slouken@2753
  2472
                flags |= 2;
slouken@2753
  2473
            if (flags) {
slouken@2753
  2474
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@2753
  2475
            }
slouken@2753
  2476
            _this->SetIcon(_this, icon, mask);
slouken@2753
  2477
            SDL_free(mask);
slouken@2753
  2478
        } else {
slouken@2753
  2479
            _this->SetIcon(_this, icon, mask);
slouken@2753
  2480
        }
slouken@2753
  2481
    }
slouken@1895
  2482
}
slouken@1895
  2483
#endif
slouken@0
  2484
slouken@1895
  2485
SDL_bool
slouken@3685
  2486
SDL_GetWindowWMInfo(SDL_Window * window, struct SDL_SysWMinfo *info)
slouken@1895
  2487
{
slouken@3695
  2488
    CHECK_WINDOW_MAGIC(window, SDL_FALSE);
slouken@3695
  2489
slouken@4900
  2490
    if (!info) {
slouken@4900
  2491
        return SDL_FALSE;
slouken@4900
  2492
    }
slouken@4900
  2493
    info->subsystem = SDL_SYSWM_UNKNOWN;
slouken@4900
  2494
slouken@3695
  2495
    if (!_this->GetWindowWMInfo) {
slouken@2753
  2496
        return SDL_FALSE;
slouken@2753
  2497
    }
slouken@2753
  2498
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2499
}
slouken@0
  2500
slouken@3280
  2501
void
slouken@3280
  2502
SDL_StartTextInput(void)
slouken@3280
  2503
{
slouken@3683
  2504
    if (_this && _this->StartTextInput) {
slouken@3280
  2505
        _this->StartTextInput(_this);
slouken@3280
  2506
    }
slouken@3280
  2507
    SDL_EventState(SDL_TEXTINPUT, SDL_ENABLE);
slouken@3280
  2508
    SDL_EventState(SDL_TEXTEDITING, SDL_ENABLE);
slouken@3280
  2509
}
slouken@3280
  2510
slouken@3280
  2511
void
slouken@3280
  2512
SDL_StopTextInput(void)
slouken@3280
  2513
{
slouken@3683
  2514
    if (_this && _this->StopTextInput) {
slouken@3280
  2515
        _this->StopTextInput(_this);
slouken@3280
  2516
    }
slouken@3280
  2517
    SDL_EventState(SDL_TEXTINPUT, SDL_DISABLE);
slouken@3280
  2518
    SDL_EventState(SDL_TEXTEDITING, SDL_DISABLE);
slouken@3280
  2519
}
slouken@3280
  2520
slouken@3280
  2521
void
slouken@3280
  2522
SDL_SetTextInputRect(SDL_Rect *rect)
slouken@3280
  2523
{
slouken@3683
  2524
    if (_this && _this->SetTextInputRect) {
slouken@3280
  2525
        _this->SetTextInputRect(_this, rect);
slouken@3280
  2526
    }
slouken@3280
  2527
}
slouken@3280
  2528
slouken@1895
  2529
/* vi: set ts=4 sw=4 expandtab: */