3dphotoshoot: c71c477521ca src/android/amain.c

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view src/android/amain.c @ 10:c71c477521ca

converting to GLES2 and C++

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sun, 31 May 2015 00:40:26 +0300
parents	9fc7d52f578d
children	c6952cc82cca

line source

1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <assert.h>

4 #include <EGL/egl.h>

5 #include <jni.h>

6 #include "native_glue.h"

7 #include "logger.h"

8 #include "game.h"

9 #include "camera.h"

10 #include "timer.h"

13 static void handle_command(struct android_app *app, int32_t cmd);

14 static int handle_input(struct android_app *app, AInputEvent *ev);

15 static int handle_touch_input(struct android_app *app, AInputEvent *ev);

16 static int init_gl(void);

17 static void destroy_gl(void);

19 static EGLDisplay dpy;

20 static EGLSurface surf;

21 static EGLContext ctx;

23 static struct android_app *app;

24 static int win_width, win_height;

25 static int init_done;

27 static JavaVM *jvm;

28 static JNIEnv *jni;

29 static jclass activity_class;

33 void android_main(struct android_app *app_ptr)

34 {

35 app_dummy();

36 app = app_ptr;

38 app->onAppCmd = handle_command;

39 app->onInputEvent = handle_input;

41 start_logger();

43 jvm = app->activity->vm;

44 if((*jvm)->AttachCurrentThread(jvm, &jni, 0) != 0) {

45 fprintf(stderr, "failed to attach native thread to Java VM\n");

46 exit(1);

47 }

48 activity_class = (*jni)->GetObjectClass(jni, app->activity->clazz);

50 for(;;) {

51 int num_events;

52 struct android_poll_source *pollsrc;

54 while(ALooper_pollAll(0, 0, &num_events, (void**)&pollsrc) >= 0) {

55 if(pollsrc) {

56 pollsrc->process(app, pollsrc);

57 }

58 }

60 if(app->destroyRequested) {

61 (*jvm)->DetachCurrentThread(jvm);

62 return;

63 }

65 if(init_done) {

66 game_display(get_time_msec());

67 eglSwapBuffers(dpy, surf);

68 }

69 }

70 }

72 void set_mouse_pos(int x, int y)

73 {

74 }

76 void set_mouse_cursor(int enable)

77 {

78 }

80 static void handle_command(struct android_app *app, int32_t cmd)

81 {

82 struct cam_android_platform_data cam_data;

84 switch(cmd) {

85 case APP_CMD_SAVE_STATE:

86 /* save the application state to be reloaded on restart if needed */

87 break;

89 case APP_CMD_INIT_WINDOW:

90 if(init_gl() == -1) {

91 exit(1);

92 }

94 cam_data.vm = jvm;

95 cam_data.jni = jni;

96 cam_data.activity_class = activity_class;

98 if(cam_init(&cam_data) == -1) {

99 exit(1);

100 }

101

102 /* initialize the application */

103 if(game_init() == -1) {

104 exit(1); /* initialization failed, quit */

105 }

106 init_done = 1;

107 break;

108

109 case APP_CMD_TERM_WINDOW:

110 /* cleanup */

111 init_done = 0;

112 game_shutdown();

113 destroy_gl();

114 break;

115

116 case APP_CMD_GAINED_FOCUS:

117 /* app focused */

118 //cam_start_video();

119 break;

120

121 case APP_CMD_LOST_FOCUS:

122 /* app lost focus */

123 //cam_stop_video();

124 break;

125

126 case APP_CMD_WINDOW_RESIZED:

127 case APP_CMD_CONFIG_CHANGED:

128 {

129 int nx = ANativeWindow_getWidth(app->window);

130 int ny = ANativeWindow_getHeight(app->window);

131 if(nx != win_width || ny != win_height) {

132 game_reshape(nx, ny);

133 win_width = nx;

134 win_height = ny;

135 }

136 }

137 break;

138

139 default:

140 break;

141 }

142 }

143

144 static int handle_input(struct android_app *app, AInputEvent *ev)

145 {

146 int evtype = AInputEvent_getType(ev);

147

148 switch(evtype) {

149 case AINPUT_EVENT_TYPE_MOTION:

150 return handle_touch_input(app, ev);

151

152 default:

153 break;

154 }

155 return 0;

156 }

157

158 #define MAX_TOUCH_IDS 32

159

160 static int handle_touch_input(struct android_app *app, AInputEvent *ev)

161 {

162 int x, y, idx, touch_id;

163 unsigned int action;

164 static int prev_pos[MAX_TOUCH_IDS][2];

165

166 action = AMotionEvent_getAction(ev);

167

168 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>

169 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;

170 touch_id = AMotionEvent_getPointerId(ev, idx);

171

172 x = AMotionEvent_getX(ev, idx);

173 y = AMotionEvent_getY(ev, idx);

174

175 switch(action & AMOTION_EVENT_ACTION_MASK) {

176 case AMOTION_EVENT_ACTION_DOWN:

177 case AMOTION_EVENT_ACTION_POINTER_DOWN:

178 game_mouse_button(touch_id, 0, 1, x, y);

179 if(touch_id < MAX_TOUCH_IDS) {

180 prev_pos[touch_id][0] = x;

181 prev_pos[touch_id][1] = y;

182 }

183 break;

184

185 case AMOTION_EVENT_ACTION_UP:

186 case AMOTION_EVENT_ACTION_POINTER_UP:

187 game_mouse_button(touch_id, 0, 0, x, y);

188 if(touch_id < MAX_TOUCH_IDS) {

189 prev_pos[touch_id][0] = x;

190 prev_pos[touch_id][1] = y;

191 }

192 break;

193

194 case AMOTION_EVENT_ACTION_MOVE:

195 {

196 int i, pcount = AMotionEvent_getPointerCount(ev);

197 for(i=0; i<pcount; i++) {

198 int id = AMotionEvent_getPointerId(ev, i);

199 if(id < MAX_TOUCH_IDS && x != prev_pos[id][0] && y != prev_pos[id][1]) {

200 game_mouse_motion(id, x, y);

201 prev_pos[id][0] = x;

202 prev_pos[id][1] = y;

203 }

204 }

205 }

206 break;

207

208 default:

209 break;

210 }

211

212 return 1;

213 }

214

215

216 static int init_gl(void)

217 {

218 static const int eglattr[] = {

219 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,

220 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,

221 EGL_RED_SIZE, 5,

222 EGL_GREEN_SIZE, 5,

223 EGL_BLUE_SIZE, 5,

224 EGL_DEPTH_SIZE, 16,

225 EGL_NONE

226 };

227 static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };

228

229 EGLConfig eglcfg;

230 int count, vis;

231

232 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);

233 if(!dpy || !eglInitialize(dpy, 0, 0)) {

234 fprintf(stderr, "failed to initialize EGL\n");

235 destroy_gl();

236 return -1;

237 }

238

239 if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {

240 fprintf(stderr, "no matching EGL config found\n");

241 destroy_gl();

242 return -1;

243 }

244

245 /* configure the native window visual according to the chosen EGL config */

246 eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);

247 ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);

248

249 if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {

250 fprintf(stderr, "failed to create window\n");

251 destroy_gl();

252 return -1;

253 }

254

255 if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {

256 fprintf(stderr, "failed to create OpenGL ES context\n");

257 destroy_gl();

258 return -1;

259 }

260 eglMakeCurrent(dpy, surf, surf, ctx);

261

262 eglQuerySurface(dpy, surf, EGL_WIDTH, &win_width);

263 eglQuerySurface(dpy, surf, EGL_HEIGHT, &win_height);

264 game_reshape(win_width, win_height);

265

266 return 0;

267 }

268

269 static void destroy_gl(void)

270 {

271 if(!dpy) return;

272

273 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);

274

275 if(ctx) {

276 eglDestroyContext(dpy, ctx);

277 ctx = 0;

278 }

279 if(surf) {

280 eglDestroySurface(dpy, surf);

281 surf = 0;

282 }

283

284 eglTerminate(dpy);

285 dpy = 0;

286 }