SDL  2.0
SDL_androidvideo.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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_androidgl.h"
37 #include "SDL_androidclipboard.h"
38 #include "SDL_androidevents.h"
39 #include "SDL_androidkeyboard.h"
40 #include "SDL_androidmouse.h"
41 #include "SDL_androidtouch.h"
42 #include "SDL_androidwindow.h"
43 #include "SDL_androidvulkan.h"
44 
45 #define ANDROID_VID_DRIVER_NAME "Android"
46 
47 /* Initialization/Query functions */
48 static int Android_VideoInit(_THIS);
49 static void Android_VideoQuit(_THIS);
50 int Android_GetDisplayDPI(_THIS, SDL_VideoDisplay * display, float * ddpi, float * hdpi, float * vdpi);
51 
52 #include "../SDL_egl_c.h"
53 #define Android_GLES_GetProcAddress SDL_EGL_GetProcAddress
54 #define Android_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
55 #define Android_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
56 #define Android_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
57 #define Android_GLES_DeleteContext SDL_EGL_DeleteContext
58 
59 /* Android driver bootstrap functions */
60 
61 
62 /* These are filled in with real values in Android_SetScreenResolution on init (before SDL_main()) */
63 int Android_ScreenWidth = 0;
64 int Android_ScreenHeight = 0;
66 static int Android_ScreenRate = 0;
67 
69 
70 /* Currently only one window */
72 
73 static int
74 Android_Available(void)
75 {
76  return 1;
77 }
78 
79 static void
80 Android_SuspendScreenSaver(_THIS)
81 {
83 }
84 
85 static void
86 Android_DeleteDevice(SDL_VideoDevice * device)
87 {
88  SDL_free(device->driverdata);
89  SDL_free(device);
90 }
91 
92 static SDL_VideoDevice *
93 Android_CreateDevice(int devindex)
94 {
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->GetDisplayDPI = Android_GetDisplayDPI;
120 
126 
127  device->free = Android_DeleteDevice;
128 
129  /* GL pointers */
131  device->GL_GetProcAddress = Android_GLES_GetProcAddress;
132  device->GL_UnloadLibrary = Android_GLES_UnloadLibrary;
135  device->GL_SetSwapInterval = Android_GLES_SetSwapInterval;
136  device->GL_GetSwapInterval = Android_GLES_GetSwapInterval;
138  device->GL_DeleteContext = Android_GLES_DeleteContext;
139 
140 #if SDL_VIDEO_VULKAN
141  device->Vulkan_LoadLibrary = Android_Vulkan_LoadLibrary;
142  device->Vulkan_UnloadLibrary = Android_Vulkan_UnloadLibrary;
143  device->Vulkan_GetInstanceExtensions = Android_Vulkan_GetInstanceExtensions;
144  device->Vulkan_CreateSurface = Android_Vulkan_CreateSurface;
145 #endif
146 
147  /* Screensaver */
148  device->SuspendScreenSaver = Android_SuspendScreenSaver;
149 
150  /* Text input */
154 
155  /* Screen keyboard */
158 
159  /* Clipboard */
163 
164  return device;
165 }
166 
168  ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
169  Android_Available, Android_CreateDevice
170 };
171 
172 
173 int
174 Android_VideoInit(_THIS)
175 {
177 
179  mode.w = Android_ScreenWidth;
180  mode.h = Android_ScreenHeight;
181  mode.refresh_rate = Android_ScreenRate;
182  mode.driverdata = NULL;
183  if (SDL_AddBasicVideoDisplay(&mode) < 0) {
184  return -1;
185  }
186 
187  SDL_AddDisplayMode(&_this->displays[0], &mode);
188 
190 
192 
194 
195  /* We're done! */
196  return 0;
197 }
198 
199 void
200 Android_VideoQuit(_THIS)
201 {
203 }
204 
205 int
206 Android_GetDisplayDPI(_THIS, SDL_VideoDisplay * display, float * ddpi, float * hdpi, float * vdpi)
207 {
208  return Android_JNI_GetDisplayDPI(ddpi, hdpi, vdpi);
209 }
210 
211 void
213 {
215  SDL_VideoDisplay *display;
219  Android_ScreenRate = rate;
220 
221  /*
222  Update the resolution of the desktop mode, so that the window
223  can be properly resized. The screen resolution change can for
224  example happen when the Activity enters or exits immersive mode,
225  which can happen after VideoInit().
226  */
227  device = SDL_GetVideoDevice();
228  if (device && device->num_displays > 0)
229  {
230  display = &device->displays[0];
234  display->desktop_mode.refresh_rate = Android_ScreenRate;
235  }
236 
237  if (Android_Window) {
238  /* Force the current mode to match the resize otherwise the SDL_WINDOWEVENT_RESTORED event
239  * will fall back to the old mode */
240  display = SDL_GetDisplayForWindow(Android_Window);
241 
242  display->display_modes[0].format = format;
243  display->display_modes[0].w = width;
244  display->display_modes[0].h = height;
245  display->display_modes[0].refresh_rate = rate;
246  display->current_mode = display->display_modes[0];
247 
248  SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
249  }
250 }
251 
252 #endif /* SDL_VIDEO_DRIVER_ANDROID */
253 
254 /* vi: set ts=4 sw=4 expandtab: */
int(* Vulkan_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:270
void Android_SetScreenResolution(int width, int height, Uint32 format, float rate)
int Android_GLES_SwapWindow(_THIS, SDL_Window *window)
int Android_JNI_GetDisplayDPI(float *ddpi, float *xdpi, float *ydpi)
int(* GetDisplayDPI)(_THIS, SDL_VideoDisplay *display, float *ddpi, float *hdpi, float *vdpi)
Definition: SDL_sysvideo.h:186
int Android_GLES_LoadLibrary(_THIS, const char *path)
void Android_DestroyWindow(_THIS, SDL_Window *window)
SDL_bool Android_HasScreenKeyboardSupport(_THIS)
SDL_bool(* IsScreenKeyboardShown)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:294
char * Android_GetClipboardText(_THIS)
void(* free)(_THIS)
Definition: SDL_sysvideo.h:390
int Android_ScreenHeight
int SDL_AddBasicVideoDisplay(const SDL_DisplayMode *desktop_mode)
Definition: SDL_video.c:592
void Android_InitMouse(void)
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:260
The structure that defines a display mode.
Definition: SDL_video.h:53
void(* StartTextInput)(_THIS)
Definition: SDL_sysvideo.h:286
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
uint32_t Uint32
Definition: SDL_stdinc.h:181
void Android_InitKeyboard(void)
void Android_InitTouch(void)
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:254
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
void Android_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
SDL_sem * Android_PauseSem
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
static SDL_AudioDeviceID device
Definition: loopwave.c:37
SDL_GLContext Android_GLES_CreateContext(_THIS, SDL_Window *window)
void(* SetTextInputRect)(_THIS, SDL_Rect *rect)
Definition: SDL_sysvideo.h:288
SDL_bool(* Vulkan_GetInstanceExtensions)(_THIS, SDL_Window *window, unsigned *count, const char **names)
Definition: SDL_sysvideo.h:272
VideoBootStrap Android_bootstrap
SDL_bool(* GetWindowWMInfo)(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
Definition: SDL_sysvideo.h:247
int Android_SetClipboardText(_THIS, const char *text)
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:257
SDL_bool(* Vulkan_CreateSurface)(_THIS, SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface)
Definition: SDL_sysvideo.h:273
#define _THIS
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:258
#define SDL_free
void * driverdata
Definition: SDL_video.h:59
void(* Vulkan_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:271
SDL_DisplayMode * display_modes
Definition: SDL_sysvideo.h:130
Uint32 Android_ScreenFormat
SDL_DisplayMode current_mode
Definition: SDL_sysvideo.h:132
SDL_Window * Android_Window
GLenum mode
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:312
void(* DestroyWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:234
void Android_PumpEvents(_THIS)
void(* StopTextInput)(_THIS)
Definition: SDL_sysvideo.h:287
void Android_StartTextInput(_THIS)
void Android_JNI_SuspendScreenSaver(SDL_bool suspend)
int Android_ScreenWidth
SDL_bool(* HasScreenKeyboardSupport)(_THIS)
Definition: SDL_sysvideo.h:291
void Android_SetTextInputRect(_THIS, SDL_Rect *rect)
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:256
#define NULL
Definition: begin_code.h:164
int(* CreateSDLWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:210
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_DisplayMode desktop_mode
Definition: SDL_sysvideo.h:131
void Android_SetWindowTitle(_THIS, SDL_Window *window)
void(* VideoQuit)(_THIS)
Definition: SDL_sysvideo.h:166
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1572
#define SDL_calloc
SDL_sem * Android_ResumeSem
SDL_VideoDisplay * SDL_GetDisplayForWindow(SDL_Window *window)
Definition: SDL_video.c:1073
int(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:262
The type used to identify a window.
Definition: SDL_sysvideo.h:73
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:299
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:743
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:586
int(* VideoInit)(_THIS)
Definition: SDL_sysvideo.h:160
SDL_bool suspend_screensaver
Definition: SDL_sysvideo.h:310
void(* SetWindowFullscreen)(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
Definition: SDL_sysvideo.h:230
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:263
char *(* GetClipboardText)(_THIS)
Definition: SDL_sysvideo.h:298
Uint32 format
Definition: SDL_video.h:55
void(* SetWindowTitle)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:212
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:261
int(* SetClipboardText)(_THIS, const char *text)
Definition: SDL_sysvideo.h:297
SDL_bool Android_HasClipboardText(_THIS)
void(* SuspendScreenSaver)(_THIS)
Definition: SDL_sysvideo.h:283
SDL_bool Android_IsScreenKeyboardShown(_THIS, SDL_Window *window)
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:255
void Android_QuitTouch(void)
void(* PumpEvents)(_THIS)
Definition: SDL_sysvideo.h:280
int Android_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)