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 
30 #include "SDL_androidvideo.h"
31 #include "SDL_androidwindow.h"
32 #include "SDL_hints.h"
33 
34 int
36 {
38 
39  if (Android_Window) {
40  return SDL_SetError("Android only supports one window");
41  }
42 
45 
46  /* Set orientation */
48 
49  /* Adjust the window data to match the screen */
50  window->x = 0;
51  window->y = 0;
52  window->w = Android_ScreenWidth;
53  window->h = Android_ScreenHeight;
54 
55  window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
56  window->flags &= ~SDL_WINDOW_HIDDEN;
57  window->flags |= SDL_WINDOW_SHOWN; /* only one window on Android */
58  window->flags |= SDL_WINDOW_INPUT_FOCUS; /* always has input focus */
59 
60  /* One window, it always has focus */
61  SDL_SetMouseFocus(window);
62  SDL_SetKeyboardFocus(window);
63 
64  data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
65  if (!data) {
66  return SDL_OutOfMemory();
67  }
68 
70 
71  if (!data->native_window) {
72  SDL_free(data);
73  return SDL_SetError("Could not fetch native window");
74  }
75 
76  /* Do not create EGLSurface for Vulkan window since it will then make the window
77  incompatible with vkCreateAndroidSurfaceKHR */
78  if ((window->flags & SDL_WINDOW_VULKAN) == 0) {
79  data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
80 
81  if (data->egl_surface == EGL_NO_SURFACE) {
82  ANativeWindow_release(data->native_window);
83  SDL_free(data);
84  return SDL_SetError("Could not create GLES window surface");
85  }
86  }
87 
88  window->driverdata = data;
90 
91  return 0;
92 }
93 
94 void
96 {
98 }
99 
100 void
101 Android_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
102 {
103  Android_JNI_SetWindowStyle(fullscreen);
104 }
105 
106 void
108 {
110 
111  if (window == Android_Window) {
117 
118  if(window->driverdata) {
119  data = (SDL_WindowData *) window->driverdata;
120  if (data->egl_surface != EGL_NO_SURFACE) {
121  SDL_EGL_DestroySurface(_this, data->egl_surface);
122  }
123  if (data->native_window) {
124  ANativeWindow_release(data->native_window);
125  }
126  SDL_free(window->driverdata);
127  window->driverdata = NULL;
128  }
129  }
130 }
131 
132 SDL_bool
134 {
135  SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
136 
137  if (info->version.major == SDL_MAJOR_VERSION &&
138  info->version.minor == SDL_MINOR_VERSION) {
140  info->info.android.window = data->native_window;
141  info->info.android.surface = data->egl_surface;
142  return SDL_TRUE;
143  } else {
144  SDL_SetError("Application not compiled with SDL %d.%d",
146  return SDL_FALSE;
147  }
148 }
149 
150 #endif /* SDL_VIDEO_DRIVER_ANDROID */
151 
152 /* vi: set ts=4 sw=4 expandtab: */
#define SDL_MINOR_VERSION
Definition: SDL_version.h:61
void Android_JNI_SetOrientation(int w, int h, int resizable, const char *hint)
void SDL_SetKeyboardFocus(SDL_Window *window)
Definition: SDL_keyboard.c:630
void Android_DestroyWindow(_THIS, SDL_Window *window)
#define EGL_NO_SURFACE
Definition: egl.h:100
struct wl_surface * surface
Definition: SDL_syswm.h:256
#define SDL_MAJOR_VERSION
Definition: SDL_version.h:60
#define SDL_CreateSemaphore
int Android_ScreenHeight
void Android_JNI_SetActivityTitle(const char *title)
#define SDL_GetHint
SDL_version version
Definition: SDL_syswm.h:196
Uint8 major
Definition: SDL_version.h:53
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:197
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:151
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
EGLNativeWindowType NativeWindowType
Definition: eglplatform.h:112
#define _THIS
#define SDL_free
SDL_Window * Android_Window
Uint8 minor
Definition: SDL_version.h:54
char * title
Definition: SDL_sysvideo.h:77
int Android_ScreenWidth
Window window
Definition: SDL_syswm.h:218
#define SDL_HINT_ORIENTATIONS
A variable controlling which orientations are allowed on iOS.
Definition: SDL_hints.h:340
#define NULL
Definition: begin_code.h:164
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_bool
Definition: SDL_stdinc.h:139
void Android_SetWindowTitle(_THIS, SDL_Window *window)
ANativeWindow * Android_JNI_GetNativeWindow(void)
#define SDL_SetError
#define SDL_calloc
SDL_sem * Android_ResumeSem
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
The type used to identify a window.
Definition: SDL_sysvideo.h:73
int Android_CreateWindow(_THIS, SDL_Window *window)
#define SDL_DestroySemaphore
SDL_bool Android_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
union SDL_SysWMinfo::@18 info
void Android_JNI_SetWindowStyle(SDL_bool fullscreen)
void * driverdata
Definition: SDL_sysvideo.h:111
ANativeWindow * native_window
Uint32 flags
Definition: SDL_sysvideo.h:83
EGLSurface egl_surface