kc3-lang/SDL/src/video/android/SDL_androidvideo.c

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• Hash : b72938c8
  Author :
  Date : 2015-04-20T12:22:44
  

  Windows: Always set the system timer resolution to 1ms by default. An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.

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• src/video/android/SDL_androidvideo.c

• /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
  
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
  
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:
  
    1. The origin of this software must not be misrepresented; you must not
       claim that you wrote the original software. If you use this software
       in a product, an acknowledgment in the product documentation would be
       appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be
       misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.
  */
  #include "../../SDL_internal.h"
  
  #if SDL_VIDEO_DRIVER_ANDROID
  
  /* Android SDL video driver implementation
  */
  
  #include "SDL_video.h"
  #include "SDL_mouse.h"
  #include "../SDL_sysvideo.h"
  #include "../SDL_pixels_c.h"
  #include "../../events/SDL_events_c.h"
  #include "../../events/SDL_windowevents_c.h"
  
  #include "SDL_androidvideo.h"
  #include "SDL_androidclipboard.h"
  #include "SDL_androidevents.h"
  #include "SDL_androidkeyboard.h"
  #include "SDL_androidtouch.h"
  #include "SDL_androidwindow.h"
  
  #define ANDROID_VID_DRIVER_NAME "Android"
  
  /* Initialization/Query functions */
  static int Android_VideoInit(_THIS);
  static void Android_VideoQuit(_THIS);
  
  #include "../SDL_egl_c.h"
  /* GL functions (SDL_androidgl.c) */
  extern SDL_GLContext Android_GLES_CreateContext(_THIS, SDL_Window * window);
  extern int Android_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
  extern void Android_GLES_SwapWindow(_THIS, SDL_Window * window);
  extern int Android_GLES_LoadLibrary(_THIS, const char *path);
  #define Android_GLES_GetProcAddress SDL_EGL_GetProcAddress
  #define Android_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
  #define Android_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
  #define Android_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
  #define Android_GLES_DeleteContext SDL_EGL_DeleteContext
  
  /* Android driver bootstrap functions */
  
  
  /* These are filled in with real values in Android_SetScreenResolution on init (before SDL_main()) */
  int Android_ScreenWidth = 0;
  int Android_ScreenHeight = 0;
  Uint32 Android_ScreenFormat = SDL_PIXELFORMAT_UNKNOWN;
  int Android_ScreenRate = 0;
  
  SDL_sem *Android_PauseSem = NULL, *Android_ResumeSem = NULL;
  
  /* Currently only one window */
  SDL_Window *Android_Window = NULL;
  
  static int
  Android_Available(void)
  {
      return 1;
  }
  
  static void
  Android_SuspendScreenSaver(_THIS)
  {
      Android_JNI_SuspendScreenSaver(_this->suspend_screensaver);
  }
  
  static void
  Android_DeleteDevice(SDL_VideoDevice * device)
  {
      SDL_free(device->driverdata);
      SDL_free(device);
  }
  
  static SDL_VideoDevice *
  Android_CreateDevice(int devindex)
  {
      SDL_VideoDevice *device;
      SDL_VideoData *data;
  
      /* Initialize all variables that we clean on shutdown */
      device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
      if (!device) {
          SDL_OutOfMemory();
          return NULL;
      }
  
      data = (SDL_VideoData*) SDL_calloc(1, sizeof(SDL_VideoData));
      if (!data) {
          SDL_OutOfMemory();
          SDL_free(device);
          return NULL;
      }
  
      device->driverdata = data;
  
      /* Set the function pointers */
      device->VideoInit = Android_VideoInit;
      device->VideoQuit = Android_VideoQuit;
      device->PumpEvents = Android_PumpEvents;
  
      device->CreateWindow = Android_CreateWindow;
      device->SetWindowTitle = Android_SetWindowTitle;
      device->DestroyWindow = Android_DestroyWindow;
      device->GetWindowWMInfo = Android_GetWindowWMInfo;
  
      device->free = Android_DeleteDevice;
  
      /* GL pointers */
      device->GL_LoadLibrary = Android_GLES_LoadLibrary;
      device->GL_GetProcAddress = Android_GLES_GetProcAddress;
      device->GL_UnloadLibrary = Android_GLES_UnloadLibrary;
      device->GL_CreateContext = Android_GLES_CreateContext;
      device->GL_MakeCurrent = Android_GLES_MakeCurrent;
      device->GL_SetSwapInterval = Android_GLES_SetSwapInterval;
      device->GL_GetSwapInterval = Android_GLES_GetSwapInterval;
      device->GL_SwapWindow = Android_GLES_SwapWindow;
      device->GL_DeleteContext = Android_GLES_DeleteContext;
  
      /* Screensaver */
      device->SuspendScreenSaver = Android_SuspendScreenSaver;
  
      /* Text input */
      device->StartTextInput = Android_StartTextInput;
      device->StopTextInput = Android_StopTextInput;
      device->SetTextInputRect = Android_SetTextInputRect;
  
      /* Screen keyboard */
      device->HasScreenKeyboardSupport = Android_HasScreenKeyboardSupport;
      device->IsScreenKeyboardShown = Android_IsScreenKeyboardShown;
  
      /* Clipboard */
      device->SetClipboardText = Android_SetClipboardText;
      device->GetClipboardText = Android_GetClipboardText;
      device->HasClipboardText = Android_HasClipboardText;
  
      return device;
  }
  
  VideoBootStrap Android_bootstrap = {
      ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
      Android_Available, Android_CreateDevice
  };
  
  
  int
  Android_VideoInit(_THIS)
  {
      SDL_DisplayMode mode;
  
      mode.format = Android_ScreenFormat;
      mode.w = Android_ScreenWidth;
      mode.h = Android_ScreenHeight;
      mode.refresh_rate = Android_ScreenRate;
      mode.driverdata = NULL;
      if (SDL_AddBasicVideoDisplay(&mode) < 0) {
          return -1;
      }
  
      SDL_AddDisplayMode(&_this->displays[0], &mode);
  
      Android_InitKeyboard();
  
      Android_InitTouch();
  
      /* We're done! */
      return 0;
  }
  
  void
  Android_VideoQuit(_THIS)
  {
      Android_QuitTouch();
  }
  
  /* This function gets called before VideoInit() */
  void
  Android_SetScreenResolution(int width, int height, Uint32 format, float rate)
  {
      Android_ScreenWidth = width;
      Android_ScreenHeight = height;
      Android_ScreenFormat = format;
      Android_ScreenRate = rate;
  
      if (Android_Window) {
          SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
      }
  }
  
  #endif /* SDL_VIDEO_DRIVER_ANDROID */
  
  /* vi: set ts=4 sw=4 expandtab: */
  

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