src/video/android/SDL_androidvideo.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 15 Feb 2013 08:47:44 -0800
changeset 6885 700f1b25f77f
parent 6656 8eb6e2e2ab97
child 7135 20db445af8c7
permissions -rw-r--r--
Happy New Year!
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2013 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_config.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_androidwindow.h"
    40 
    41 #define ANDROID_VID_DRIVER_NAME "Android"
    42 
    43 /* Initialization/Query functions */
    44 static int Android_VideoInit(_THIS);
    45 static void Android_VideoQuit(_THIS);
    46 
    47 /* GL functions (SDL_androidgl.c) */
    48 extern int Android_GL_LoadLibrary(_THIS, const char *path);
    49 extern void *Android_GL_GetProcAddress(_THIS, const char *proc);
    50 extern void Android_GL_UnloadLibrary(_THIS);
    51 //extern int *Android_GL_GetVisual(_THIS, Display * display, int screen);
    52 extern SDL_GLContext Android_GL_CreateContext(_THIS, SDL_Window * window);
    53 extern int Android_GL_MakeCurrent(_THIS, SDL_Window * window,
    54                               SDL_GLContext context);
    55 extern int Android_GL_SetSwapInterval(_THIS, int interval);
    56 extern int Android_GL_GetSwapInterval(_THIS);
    57 extern void Android_GL_SwapWindow(_THIS, SDL_Window * window);
    58 extern void Android_GL_DeleteContext(_THIS, SDL_GLContext context);
    59 
    60 /* Android driver bootstrap functions */
    61 
    62 
    63 // These are filled in with real values in Android_SetScreenResolution on 
    64 // init (before SDL_main())
    65 int Android_ScreenWidth = 0;
    66 int Android_ScreenHeight = 0;
    67 Uint32 Android_ScreenFormat = SDL_PIXELFORMAT_UNKNOWN;
    68 SDL_sem *Android_PauseSem = NULL, *Android_ResumeSem = NULL;
    69 
    70 /* Currently only one window */
    71 SDL_Window *Android_Window = NULL;
    72 
    73 static int
    74 Android_Available(void)
    75 {
    76     return 1;
    77 }
    78 
    79 static void
    80 Android_DeleteDevice(SDL_VideoDevice * device)
    81 {
    82     SDL_free(device);
    83 }
    84 
    85 static SDL_VideoDevice *
    86 Android_CreateDevice(int devindex)
    87 {
    88     printf("Creating video device\n");
    89     SDL_VideoDevice *device;
    90     SDL_VideoData *data;
    91 
    92     /* Initialize all variables that we clean on shutdown */
    93     device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
    94     if (!device) {
    95         SDL_OutOfMemory();
    96         return NULL;
    97     }
    98 
    99     data = (SDL_VideoData*) SDL_calloc(1, sizeof(SDL_VideoData));
   100     if (!data) {
   101         SDL_OutOfMemory();
   102         SDL_free(device);
   103         return NULL;
   104     }
   105 
   106     device->driverdata = data;
   107 
   108     /* Set the function pointers */
   109     device->VideoInit = Android_VideoInit;
   110     device->VideoQuit = Android_VideoQuit;
   111     device->PumpEvents = Android_PumpEvents;
   112 
   113     device->CreateWindow = Android_CreateWindow;
   114     device->SetWindowTitle = Android_SetWindowTitle;
   115     device->DestroyWindow = Android_DestroyWindow;
   116 
   117     device->free = Android_DeleteDevice;
   118 
   119     /* GL pointers */
   120     device->GL_LoadLibrary = Android_GL_LoadLibrary;
   121     device->GL_GetProcAddress = Android_GL_GetProcAddress;
   122     device->GL_UnloadLibrary = Android_GL_UnloadLibrary;
   123     device->GL_CreateContext = Android_GL_CreateContext;
   124     device->GL_MakeCurrent = Android_GL_MakeCurrent;
   125     device->GL_SetSwapInterval = Android_GL_SetSwapInterval;
   126     device->GL_GetSwapInterval = Android_GL_GetSwapInterval;
   127     device->GL_SwapWindow = Android_GL_SwapWindow;
   128     device->GL_DeleteContext = Android_GL_DeleteContext;
   129 
   130     /* Text input */
   131     device->StartTextInput = Android_StartTextInput;
   132     device->StopTextInput = Android_StopTextInput;
   133     device->SetTextInputRect = Android_SetTextInputRect;
   134 
   135     /* Screen keyboard */
   136     device->SDL_HasScreenKeyboardSupport = Android_HasScreenKeyboardSupport;
   137     device->SDL_IsScreenKeyboardShown = Android_IsScreenKeyboardShown;
   138 
   139     /* Clipboard */
   140     device->SetClipboardText = Android_SetClipboardText;
   141     device->GetClipboardText = Android_GetClipboardText;
   142     device->HasClipboardText = Android_HasClipboardText;
   143 
   144     return device;
   145 }
   146 
   147 VideoBootStrap Android_bootstrap = {
   148     ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
   149     Android_Available, Android_CreateDevice
   150 };
   151 
   152 
   153 int
   154 Android_VideoInit(_THIS)
   155 {
   156     SDL_DisplayMode mode;
   157 
   158     mode.format = Android_ScreenFormat;
   159     mode.w = Android_ScreenWidth;
   160     mode.h = Android_ScreenHeight;
   161     mode.refresh_rate = 0;
   162     mode.driverdata = NULL;
   163     if (SDL_AddBasicVideoDisplay(&mode) < 0) {
   164         return -1;
   165     }
   166 
   167     SDL_AddDisplayMode(&_this->displays[0], &mode);
   168 
   169     Android_InitKeyboard();
   170 
   171     /* We're done! */
   172     return 0;
   173 }
   174 
   175 void
   176 Android_VideoQuit(_THIS)
   177 {
   178 }
   179 
   180 /* This function gets called before VideoInit() */
   181 void
   182 Android_SetScreenResolution(int width, int height, Uint32 format)
   183 {
   184     Android_ScreenWidth = width;
   185     Android_ScreenHeight = height;   
   186     Android_ScreenFormat = format;
   187 
   188     if (Android_Window) {
   189         SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
   190     }
   191 }
   192 
   193 #endif /* SDL_VIDEO_DRIVER_ANDROID */
   194 
   195 /* vi: set ts=4 sw=4 expandtab: */