src/video/android/SDL_androidwindow.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 03 Jan 2018 10:03:25 -0800
changeset 11811 5d94cb6b24d3
parent 11270 31ce9a8ce2bd
child 11865 af91d564aa40
permissions -rw-r--r--
Updated copyright for 2018
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_ANDROID
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#include "SDL_syswm.h"
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#include "../SDL_sysvideo.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "../../events/SDL_mouse_c.h"
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#include "SDL_androidvideo.h"
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#include "SDL_androidwindow.h"
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#include "SDL_hints.h"
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int
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Android_CreateWindow(_THIS, SDL_Window * window)
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{
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    SDL_WindowData *data;
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    if (Android_Window) {
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        return SDL_SetError("Android only supports one window");
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    }
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    Android_PauseSem = SDL_CreateSemaphore(0);
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    Android_ResumeSem = SDL_CreateSemaphore(0);
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    /* Set orientation */
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    Android_JNI_SetOrientation(window->w, window->h, window->flags & SDL_WINDOW_RESIZABLE, SDL_GetHint(SDL_HINT_ORIENTATIONS));
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    /* Adjust the window data to match the screen */
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    window->x = 0;
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    window->y = 0;
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    window->w = Android_ScreenWidth;
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    window->h = Android_ScreenHeight;
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    window->flags &= ~SDL_WINDOW_RESIZABLE;     /* window is NEVER resizeable */
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    window->flags |= SDL_WINDOW_FULLSCREEN;     /* window is always fullscreen */
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    window->flags &= ~SDL_WINDOW_HIDDEN;
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    window->flags |= SDL_WINDOW_SHOWN;          /* only one window on Android */
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    window->flags |= SDL_WINDOW_INPUT_FOCUS;    /* always has input focus */
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    /* One window, it always has focus */
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    SDL_SetMouseFocus(window);
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    SDL_SetKeyboardFocus(window);
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    data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
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    if (!data) {
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        return SDL_OutOfMemory();
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    }
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    data->native_window = Android_JNI_GetNativeWindow();
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    if (!data->native_window) {
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        SDL_free(data);
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        return SDL_SetError("Could not fetch native window");
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    }
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    /* Do not create EGLSurface for Vulkan window since it will then make the window
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       incompatible with vkCreateAndroidSurfaceKHR */
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    if ((window->flags & SDL_WINDOW_VULKAN) == 0) {
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        data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
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        if (data->egl_surface == EGL_NO_SURFACE) {
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            ANativeWindow_release(data->native_window);
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            SDL_free(data);
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            return SDL_SetError("Could not create GLES window surface");
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        }
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    }
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    window->driverdata = data;
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    Android_Window = window;
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    return 0;
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}
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void
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Android_SetWindowTitle(_THIS, SDL_Window * window)
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{
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    Android_JNI_SetActivityTitle(window->title);
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}
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void
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Android_DestroyWindow(_THIS, SDL_Window * window)
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{
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    SDL_WindowData *data;
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    if (window == Android_Window) {
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        Android_Window = NULL;
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        if (Android_PauseSem) SDL_DestroySemaphore(Android_PauseSem);
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        if (Android_ResumeSem) SDL_DestroySemaphore(Android_ResumeSem);
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        Android_PauseSem = NULL;
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        Android_ResumeSem = NULL;
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        if(window->driverdata) {
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            data = (SDL_WindowData *) window->driverdata;
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            if (data->egl_surface != EGL_NO_SURFACE) {
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                SDL_EGL_DestroySurface(_this, data->egl_surface);
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            }
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            if (data->native_window) {
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                ANativeWindow_release(data->native_window);
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            }
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            SDL_free(window->driverdata);
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            window->driverdata = NULL;
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        }
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    }
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}
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SDL_bool
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Android_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
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{
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    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
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    if (info->version.major == SDL_MAJOR_VERSION &&
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        info->version.minor == SDL_MINOR_VERSION) {
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        info->subsystem = SDL_SYSWM_ANDROID;
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        info->info.android.window = data->native_window;
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        info->info.android.surface = data->egl_surface;
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        return SDL_TRUE;
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    } else {
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        SDL_SetError("Application not compiled with SDL %d.%d",
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                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
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        return SDL_FALSE;
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    }
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}
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#endif /* SDL_VIDEO_DRIVER_ANDROID */
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/* vi: set ts=4 sw=4 expandtab: */