SDL  2.0
SDL_androidvideo.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2016 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_androidmouse.h"
40 #include "SDL_androidtouch.h"
41 #include "SDL_androidwindow.h"
42 
43 #define ANDROID_VID_DRIVER_NAME "Android"
44 
45 /* Initialization/Query functions */
46 static int Android_VideoInit(_THIS);
47 static void Android_VideoQuit(_THIS);
48 
49 #include "../SDL_egl_c.h"
50 /* GL functions (SDL_androidgl.c) */
51 extern SDL_GLContext Android_GLES_CreateContext(_THIS, SDL_Window * window);
52 extern int Android_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
53 extern void Android_GLES_SwapWindow(_THIS, SDL_Window * window);
54 extern int Android_GLES_LoadLibrary(_THIS, const char *path);
55 #define Android_GLES_GetProcAddress SDL_EGL_GetProcAddress
56 #define Android_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
57 #define Android_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
58 #define Android_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
59 #define Android_GLES_DeleteContext SDL_EGL_DeleteContext
60 
61 /* Android driver bootstrap functions */
62 
63 
64 /* These are filled in with real values in Android_SetScreenResolution on init (before SDL_main()) */
65 int Android_ScreenWidth = 0;
66 int Android_ScreenHeight = 0;
68 int Android_ScreenRate = 0;
69 
71 
72 /* Currently only one window */
74 
75 static int
76 Android_Available(void)
77 {
78  return 1;
79 }
80 
81 static void
82 Android_SuspendScreenSaver(_THIS)
83 {
85 }
86 
87 static void
88 Android_DeleteDevice(SDL_VideoDevice * device)
89 {
90  SDL_free(device->driverdata);
91  SDL_free(device);
92 }
93 
94 static SDL_VideoDevice *
95 Android_CreateDevice(int devindex)
96 {
97  SDL_VideoDevice *device;
99 
100  /* Initialize all variables that we clean on shutdown */
101  device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
102  if (!device) {
103  SDL_OutOfMemory();
104  return NULL;
105  }
106 
107  data = (SDL_VideoData*) SDL_calloc(1, sizeof(SDL_VideoData));
108  if (!data) {
109  SDL_OutOfMemory();
110  SDL_free(device);
111  return NULL;
112  }
113 
114  device->driverdata = data;
115 
116  /* Set the function pointers */
117  device->VideoInit = Android_VideoInit;
118  device->VideoQuit = Android_VideoQuit;
119  device->PumpEvents = Android_PumpEvents;
120 
125 
126  device->free = Android_DeleteDevice;
127 
128  /* GL pointers */
129  device->GL_LoadLibrary = Android_GLES_LoadLibrary;
130  device->GL_GetProcAddress = Android_GLES_GetProcAddress;
131  device->GL_UnloadLibrary = Android_GLES_UnloadLibrary;
132  device->GL_CreateContext = Android_GLES_CreateContext;
133  device->GL_MakeCurrent = Android_GLES_MakeCurrent;
134  device->GL_SetSwapInterval = Android_GLES_SetSwapInterval;
135  device->GL_GetSwapInterval = Android_GLES_GetSwapInterval;
136  device->GL_SwapWindow = Android_GLES_SwapWindow;
137  device->GL_DeleteContext = Android_GLES_DeleteContext;
138 
139  /* Screensaver */
140  device->SuspendScreenSaver = Android_SuspendScreenSaver;
141 
142  /* Text input */
146 
147  /* Screen keyboard */
150 
151  /* Clipboard */
155 
156  return device;
157 }
158 
159 VideoBootStrap Android_bootstrap = {
160  ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
161  Android_Available, Android_CreateDevice
162 };
163 
164 
165 int
166 Android_VideoInit(_THIS)
167 {
169 
171  mode.w = Android_ScreenWidth;
172  mode.h = Android_ScreenHeight;
173  mode.refresh_rate = Android_ScreenRate;
174  mode.driverdata = NULL;
175  if (SDL_AddBasicVideoDisplay(&mode) < 0) {
176  return -1;
177  }
178 
179  SDL_AddDisplayMode(&_this->displays[0], &mode);
180 
182 
184 
186 
187  /* We're done! */
188  return 0;
189 }
190 
191 void
192 Android_VideoQuit(_THIS)
193 {
195 }
196 
197 void
199 {
203  Android_ScreenRate = rate;
204 
205  /*
206  Update the resolution of the desktop mode, so that the window
207  can be properly resized. The screen resolution change can for
208  example happen when the Activity enters or exists immersive mode,
209  which can happen after VideoInit().
210  */
212  if (device && device->num_displays > 0)
213  {
214  SDL_VideoDisplay* display = &device->displays[0];
218  display->desktop_mode.refresh_rate = Android_ScreenRate;
219  }
220 
221  if (Android_Window) {
222  SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
223 
224  /* Force the current mode to match the resize otherwise the SDL_WINDOWEVENT_RESTORED event
225  * will fall back to the old mode */
226  SDL_VideoDisplay *display = SDL_GetDisplayForWindow(Android_Window);
227 
228  display->current_mode.format = format;
229  display->current_mode.w = width;
230  display->current_mode.h = height;
231  display->current_mode.refresh_rate = rate;
232  }
233 }
234 
235 #endif /* SDL_VIDEO_DRIVER_ANDROID */
236 
237 /* vi: set ts=4 sw=4 expandtab: */
void Android_SetScreenResolution(int width, int height, Uint32 format, float rate)
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1565
GLint GLint GLsizei width
Definition: SDL_opengl.h:1565
void Android_DestroyWindow(_THIS, SDL_Window *window)
SDL_bool Android_HasScreenKeyboardSupport(_THIS)
SDL_bool(* IsScreenKeyboardShown)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:276
char * Android_GetClipboardText(_THIS)
static SDL_Window * window
void(* free)(_THIS)
Definition: SDL_sysvideo.h:358
int Android_ScreenHeight
int SDL_AddBasicVideoDisplay(const SDL_DisplayMode *desktop_mode)
Definition: SDL_video.c:577
void Android_InitMouse(void)
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:253
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1967
The structure that defines a display mode.
Definition: SDL_video.h:53
void(* StartTextInput)(_THIS)
Definition: SDL_sysvideo.h:268
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
void(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:255
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:161
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1565
void Android_InitKeyboard(void)
void Android_InitTouch(void)
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:247
SDL_sem * Android_PauseSem
static SDL_VideoDevice * _this
Definition: SDL_video.c:118
void(* SetTextInputRect)(_THIS, SDL_Rect *rect)
Definition: SDL_sysvideo.h:270
void * SDL_calloc(size_t nmemb, size_t size)
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:172
SDL_bool(* GetWindowWMInfo)(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
Definition: SDL_sysvideo.h:240
int Android_SetClipboardText(_THIS, const char *text)
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:250
#define _THIS
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:251
void SDL_free(void *mem)
void * driverdata
Definition: SDL_video.h:59
Uint32 Android_ScreenFormat
SDL_DisplayMode current_mode
Definition: SDL_sysvideo.h:130
SDL_Window * Android_Window
GLenum mode
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:293
void(* DestroyWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:227
void Android_PumpEvents(_THIS)
void(* StopTextInput)(_THIS)
Definition: SDL_sysvideo.h:269
void Android_StartTextInput(_THIS)
void Android_JNI_SuspendScreenSaver(SDL_bool suspend)
int Android_ScreenWidth
SDL_bool(* HasScreenKeyboardSupport)(_THIS)
Definition: SDL_sysvideo.h:273
void Android_SetTextInputRect(_THIS, SDL_Rect *rect)
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:249
#define NULL
Definition: begin_code.h:143
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_DisplayMode desktop_mode
Definition: SDL_sysvideo.h:129
void Android_SetWindowTitle(_THIS, SDL_Window *window)
void(* VideoQuit)(_THIS)
Definition: SDL_sysvideo.h:164
SDL_sem * Android_ResumeSem
SDL_VideoDisplay * SDL_GetDisplayForWindow(SDL_Window *window)
Definition: SDL_video.c:1058
int(* CreateWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:203
The type used to identify a window.
Definition: SDL_sysvideo.h:71
int Android_CreateWindow(_THIS, SDL_Window *window)
void Android_StopTextInput(_THIS)
SDL_bool Android_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
SDL_bool(* HasClipboardText)(_THIS)
Definition: SDL_sysvideo.h:281
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:728
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:571
int(* VideoInit)(_THIS)
Definition: SDL_sysvideo.h:158
SDL_bool suspend_screensaver
Definition: SDL_sysvideo.h:291
GLsizei const GLchar *const * path
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:256
char *(* GetClipboardText)(_THIS)
Definition: SDL_sysvideo.h:280
Uint32 format
Definition: SDL_video.h:55
void(* SetWindowTitle)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:205
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:254
int(* SetClipboardText)(_THIS, const char *text)
Definition: SDL_sysvideo.h:279
SDL_bool Android_HasClipboardText(_THIS)
void(* SuspendScreenSaver)(_THIS)
Definition: SDL_sysvideo.h:265
SDL_bool Android_IsScreenKeyboardShown(_THIS, SDL_Window *window)
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:248
void Android_QuitTouch(void)
void(* PumpEvents)(_THIS)
Definition: SDL_sysvideo.h:262