SDL  2.0
SDL_androidwindow.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 #include "SDL_syswm.h"
26 #include "../SDL_sysvideo.h"
27 #include "../../events/SDL_keyboard_c.h"
28 #include "../../events/SDL_mouse_c.h"
29 #include "../../events/SDL_windowevents_c.h"
30 #include "../../core/android/SDL_android.h"
31 
32 #include "SDL_androidvideo.h"
33 #include "SDL_androidwindow.h"
34 #include "SDL_hints.h"
35 
36 int
38 {
40 
41  if (Android_Window) {
42  return SDL_SetError("Android only supports one window");
43  }
44 
47 
48  /* Set orientation */
50 
51  /* Adjust the window data to match the screen */
52  window->x = 0;
53  window->y = 0;
56 
57  window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
58  window->flags &= ~SDL_WINDOW_HIDDEN;
59  window->flags |= SDL_WINDOW_SHOWN; /* only one window on Android */
60  window->flags |= SDL_WINDOW_INPUT_FOCUS; /* always has input focus */
61 
62  /* One window, it always has focus */
65 
66  data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
67  if (!data) {
68  return SDL_OutOfMemory();
69  }
70 
71  data->native_window = Android_JNI_GetNativeWindow();
72 
73  if (!data->native_window) {
74  SDL_free(data);
75  return SDL_SetError("Could not fetch native window");
76  }
77 
78  /* Do not create EGLSurface for Vulkan window since it will then make the window
79  incompatible with vkCreateAndroidSurfaceKHR */
80  if ((window->flags & SDL_WINDOW_VULKAN) == 0) {
81  data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
82 
83  if (data->egl_surface == EGL_NO_SURFACE) {
84  ANativeWindow_release(data->native_window);
85  SDL_free(data);
86  return SDL_SetError("Could not create GLES window surface");
87  }
88  }
89 
90  window->driverdata = data;
92 
93  return 0;
94 }
95 
96 void
98 {
100 }
101 
102 void
104 {
105  /* If the window is being destroyed don't change visible state */
106  if (!window->is_destroying) {
107  Android_JNI_SetWindowStyle(fullscreen);
108  }
109 
110  /* Ensure our size matches reality after we've executed the window style change.
111  *
112  * It is possible that we've set width and height to the full-size display, but on
113  * Samsung DeX or Chromebooks or other windowed Android environemtns, our window may
114  * still not be the full display size.
115  */
116  if (!SDL_IsDeXMode() && !SDL_IsChromebook()) {
117  return;
118  }
119 
120  SDL_WindowData * data = (SDL_WindowData *)window->driverdata;
121 
122  if (!data || !data->native_window) {
123  return;
124  }
125 
126  int old_w = window->w;
127  int old_h = window->h;
128 
129  int new_w = ANativeWindow_getWidth(data->native_window);
130  int new_h = ANativeWindow_getHeight(data->native_window);
131 
132  if (old_w != new_w || old_h != new_h) {
134  }
135 }
136 
137 void
139 {
141 
142  if (window == Android_Window) {
148 
149  if(window->driverdata) {
150  data = (SDL_WindowData *) window->driverdata;
151  if (data->egl_surface != EGL_NO_SURFACE) {
152  SDL_EGL_DestroySurface(_this, data->egl_surface);
153  }
154  if (data->native_window) {
155  ANativeWindow_release(data->native_window);
156  }
157  SDL_free(window->driverdata);
158  window->driverdata = NULL;
159  }
160  }
161 }
162 
163 SDL_bool
165 {
166  SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
167 
168  if (info->version.major == SDL_MAJOR_VERSION &&
169  info->version.minor == SDL_MINOR_VERSION) {
171  info->info.android.window = data->native_window;
172  info->info.android.surface = data->egl_surface;
173  return SDL_TRUE;
174  } else {
175  SDL_SetError("Application not compiled with SDL %d.%d",
177  return SDL_FALSE;
178  }
179 }
180 
181 #endif /* SDL_VIDEO_DRIVER_ANDROID */
182 
183 /* vi: set ts=4 sw=4 expandtab: */
Android_JNI_SetOrientation
void Android_JNI_SetOrientation(int w, int h, int resizable, const char *hint)
Android_JNI_SetActivityTitle
void Android_JNI_SetActivityTitle(const char *title)
Android_JNI_SetWindowStyle
void Android_JNI_SetWindowStyle(SDL_bool fullscreen)
SDL_CreateSemaphore
#define SDL_CreateSemaphore
Definition: SDL_dynapi_overrides.h:264
NULL
#define NULL
Definition: begin_code.h:164
NativeWindowType
EGLNativeWindowType NativeWindowType
Definition: eglplatform.h:112
SDL_SysWMinfo
Definition: SDL_syswm.h:195
SDL_WindowData
Definition: SDL_androidwindow.h:36
SDL_version::minor
Uint8 minor
Definition: SDL_version.h:54
SDL_SysWMinfo::window
Window window
Definition: SDL_syswm.h:218
SDL_androidvideo.h
SDL_WINDOWEVENT_RESIZED
@ SDL_WINDOWEVENT_RESIZED
Definition: SDL_video.h:155
SDL_SYSWM_ANDROID
@ SDL_SYSWM_ANDROID
Definition: SDL_syswm.h:127
SDL_SetKeyboardFocus
void SDL_SetKeyboardFocus(SDL_Window *window)
Definition: SDL_keyboard.c:630
SDL_GetHint
#define SDL_GetHint
Definition: SDL_dynapi_overrides.h:191
SDL_SetMouseFocus
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:177
SDL_WINDOW_INPUT_FOCUS
@ SDL_WINDOW_INPUT_FOCUS
Definition: SDL_video.h:109
Android_SetWindowTitle
void Android_SetWindowTitle(_THIS, SDL_Window *window)
SDL_WINDOW_RESIZABLE
@ SDL_WINDOW_RESIZABLE
Definition: SDL_video.h:105
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:74
Android_DestroyWindow
void Android_DestroyWindow(_THIS, SDL_Window *window)
Android_SurfaceHeight
int Android_SurfaceHeight
SDL_androidwindow.h
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
SDL_MINOR_VERSION
#define SDL_MINOR_VERSION
Definition: SDL_version.h:61
SDL_SysWMinfo::subsystem
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:197
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
EGL_NO_SURFACE
#define EGL_NO_SURFACE
Definition: egl.h:100
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_SysWMinfo::info
union SDL_SysWMinfo::@18 info
SDL_IsChromebook
SDL_bool SDL_IsChromebook(void)
Android_SetWindowFullscreen
void Android_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
Android_SurfaceWidth
int Android_SurfaceWidth
SDL_WINDOW_SHOWN
@ SDL_WINDOW_SHOWN
Definition: SDL_video.h:102
Android_PauseSem
SDL_sem * Android_PauseSem
Android_CreateWindow
int Android_CreateWindow(_THIS, SDL_Window *window)
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
SDL_IsDeXMode
SDL_bool SDL_IsDeXMode(void)
SDL_WINDOW_HIDDEN
@ SDL_WINDOW_HIDDEN
Definition: SDL_video.h:103
SDL_SysWMinfo::version
SDL_version version
Definition: SDL_syswm.h:196
SDL_HINT_ORIENTATIONS
#define SDL_HINT_ORIENTATIONS
A variable controlling which orientations are allowed on iOS/Android.
Definition: SDL_hints.h:350
SDL_VideoDisplay
Definition: SDL_sysvideo.h:126
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
Android_JNI_GetNativeWindow
ANativeWindow * Android_JNI_GetNativeWindow(void)
Android_GetWindowWMInfo
SDL_bool Android_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
SDL_hints.h
SDL_SendWindowEvent
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
Definition: SDL_windowevents.c:74
SDL_DestroySemaphore
#define SDL_DestroySemaphore
Definition: SDL_dynapi_overrides.h:265
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:162
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
SDL_version::major
Uint8 major
Definition: SDL_version.h:53
SDL_MAJOR_VERSION
#define SDL_MAJOR_VERSION
Definition: SDL_version.h:60
Android_Window
SDL_Window * Android_Window
SDL_SysWMinfo::surface
struct wl_surface * surface
Definition: SDL_syswm.h:256
SDL_syswm.h
SDL_WINDOW_VULKAN
@ SDL_WINDOW_VULKAN
Definition: SDL_video.h:122
Android_ResumeSem
SDL_sem * Android_ResumeSem
Definition: SDL_androidvideo.h:45