src/video/android/SDL_androidvideo.c
author Philipp Wiesemann <philipp.wiesemann@arcor.de>
Fri, 23 Jan 2015 20:29:08 +0100
changeset 9314 8d826bc39a45
parent 9173 c677ab1148c5
child 9317 a8350b28a05c
permissions -rw-r--r--
Fixed bug 2816 - [patch] Android: Expose screen refresh rate

Jonas Kulla

Display::getRefreshRate() is available on all API levels.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "../../SDL_internal.h"
    22 
    23 #if SDL_VIDEO_DRIVER_ANDROID
    24 
    25 /* Android SDL video driver implementation
    26 */
    27 
    28 #include "SDL_video.h"
    29 #include "SDL_mouse.h"
    30 #include "../SDL_sysvideo.h"
    31 #include "../SDL_pixels_c.h"
    32 #include "../../events/SDL_events_c.h"
    33 #include "../../events/SDL_windowevents_c.h"
    34 
    35 #include "SDL_androidvideo.h"
    36 #include "SDL_androidclipboard.h"
    37 #include "SDL_androidevents.h"
    38 #include "SDL_androidkeyboard.h"
    39 #include "SDL_androidtouch.h"
    40 #include "SDL_androidwindow.h"
    41 
    42 #define ANDROID_VID_DRIVER_NAME "Android"
    43 
    44 /* Initialization/Query functions */
    45 static int Android_VideoInit(_THIS);
    46 static void Android_VideoQuit(_THIS);
    47 
    48 #include "../SDL_egl_c.h"
    49 /* GL functions (SDL_androidgl.c) */
    50 extern SDL_GLContext Android_GLES_CreateContext(_THIS, SDL_Window * window);
    51 extern int Android_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
    52 extern void Android_GLES_SwapWindow(_THIS, SDL_Window * window);
    53 extern int Android_GLES_LoadLibrary(_THIS, const char *path);
    54 #define Android_GLES_GetProcAddress SDL_EGL_GetProcAddress
    55 #define Android_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
    56 #define Android_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
    57 #define Android_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
    58 #define Android_GLES_DeleteContext SDL_EGL_DeleteContext
    59 
    60 /* Android driver bootstrap functions */
    61 
    62 
    63 /* These are filled in with real values in Android_SetScreenResolution on init (before SDL_main()) */
    64 int Android_ScreenWidth = 0;
    65 int Android_ScreenHeight = 0;
    66 Uint32 Android_ScreenFormat = SDL_PIXELFORMAT_UNKNOWN;
    67 int Android_ScreenRate = 0;
    68 
    69 SDL_sem *Android_PauseSem = NULL, *Android_ResumeSem = NULL;
    70 
    71 /* Currently only one window */
    72 SDL_Window *Android_Window = NULL;
    73 
    74 static int
    75 Android_Available(void)
    76 {
    77     return 1;
    78 }
    79 
    80 static void
    81 Android_SuspendScreenSaver(_THIS)
    82 {
    83     Android_JNI_SuspendScreenSaver(_this->suspend_screensaver);
    84 }
    85 
    86 static void
    87 Android_DeleteDevice(SDL_VideoDevice * device)
    88 {
    89     SDL_free(device);
    90 }
    91 
    92 static SDL_VideoDevice *
    93 Android_CreateDevice(int devindex)
    94 {
    95     SDL_VideoDevice *device;
    96     SDL_VideoData *data;
    97 
    98     /* Initialize all variables that we clean on shutdown */
    99     device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
   100     if (!device) {
   101         SDL_OutOfMemory();
   102         return NULL;
   103     }
   104 
   105     data = (SDL_VideoData*) SDL_calloc(1, sizeof(SDL_VideoData));
   106     if (!data) {
   107         SDL_OutOfMemory();
   108         SDL_free(device);
   109         return NULL;
   110     }
   111 
   112     device->driverdata = data;
   113 
   114     /* Set the function pointers */
   115     device->VideoInit = Android_VideoInit;
   116     device->VideoQuit = Android_VideoQuit;
   117     device->PumpEvents = Android_PumpEvents;
   118 
   119     device->CreateWindow = Android_CreateWindow;
   120     device->SetWindowTitle = Android_SetWindowTitle;
   121     device->DestroyWindow = Android_DestroyWindow;
   122     device->GetWindowWMInfo = Android_GetWindowWMInfo;
   123 
   124     device->free = Android_DeleteDevice;
   125 
   126     /* GL pointers */
   127     device->GL_LoadLibrary = Android_GLES_LoadLibrary;
   128     device->GL_GetProcAddress = Android_GLES_GetProcAddress;
   129     device->GL_UnloadLibrary = Android_GLES_UnloadLibrary;
   130     device->GL_CreateContext = Android_GLES_CreateContext;
   131     device->GL_MakeCurrent = Android_GLES_MakeCurrent;
   132     device->GL_SetSwapInterval = Android_GLES_SetSwapInterval;
   133     device->GL_GetSwapInterval = Android_GLES_GetSwapInterval;
   134     device->GL_SwapWindow = Android_GLES_SwapWindow;
   135     device->GL_DeleteContext = Android_GLES_DeleteContext;
   136 
   137     /* Screensaver */
   138     device->SuspendScreenSaver = Android_SuspendScreenSaver;
   139 
   140     /* Text input */
   141     device->StartTextInput = Android_StartTextInput;
   142     device->StopTextInput = Android_StopTextInput;
   143     device->SetTextInputRect = Android_SetTextInputRect;
   144 
   145     /* Screen keyboard */
   146     device->HasScreenKeyboardSupport = Android_HasScreenKeyboardSupport;
   147     device->IsScreenKeyboardShown = Android_IsScreenKeyboardShown;
   148 
   149     /* Clipboard */
   150     device->SetClipboardText = Android_SetClipboardText;
   151     device->GetClipboardText = Android_GetClipboardText;
   152     device->HasClipboardText = Android_HasClipboardText;
   153 
   154     return device;
   155 }
   156 
   157 VideoBootStrap Android_bootstrap = {
   158     ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
   159     Android_Available, Android_CreateDevice
   160 };
   161 
   162 
   163 int
   164 Android_VideoInit(_THIS)
   165 {
   166     SDL_DisplayMode mode;
   167 
   168     mode.format = Android_ScreenFormat;
   169     mode.w = Android_ScreenWidth;
   170     mode.h = Android_ScreenHeight;
   171     mode.refresh_rate = Android_ScreenRate;
   172     mode.driverdata = NULL;
   173     if (SDL_AddBasicVideoDisplay(&mode) < 0) {
   174         return -1;
   175     }
   176 
   177     SDL_AddDisplayMode(&_this->displays[0], &mode);
   178 
   179     Android_InitKeyboard();
   180 
   181     Android_InitTouch();
   182 
   183     /* We're done! */
   184     return 0;
   185 }
   186 
   187 void
   188 Android_VideoQuit(_THIS)
   189 {
   190 }
   191 
   192 /* This function gets called before VideoInit() */
   193 void
   194 Android_SetScreenResolution(int width, int height, Uint32 format, float rate)
   195 {
   196     Android_ScreenWidth = width;
   197     Android_ScreenHeight = height;
   198     Android_ScreenFormat = format;
   199     Android_ScreenRate = rate;
   200 
   201     if (Android_Window) {
   202         SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
   203     }
   204 }
   205 
   206 #endif /* SDL_VIDEO_DRIVER_ANDROID */
   207 
   208 /* vi: set ts=4 sw=4 expandtab: */