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nuclear@23
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1 #include <stdio.h>
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nuclear@23
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2 #include <stdlib.h>
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3 #include <assert.h>
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4 #include <EGL/egl.h>
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5 #include <jni.h>
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6 #include "android_native_app_glue.h"
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7 #include <android/window.h>
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8 #include <android/sensor.h>
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9 #include "logger.h"
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10 #include "istereo.h"
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11
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12 struct android_app *app;
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13
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14 static void handle_command(struct android_app *app, int32_t cmd);
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15 static int handle_input(struct android_app *app, AInputEvent *ev);
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16 static int handle_touch_input(struct android_app *app, AInputEvent *ev);
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17 static int init_gl(void);
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18 static void destroy_gl(void);
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19
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20 static EGLDisplay dpy;
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21 static EGLSurface surf;
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22 static EGLContext ctx;
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23
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24 static int redisp_pending = 1; /* TODO stop busy-looping */
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25
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26 static int width, height;
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27 static int init_done;
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28
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29 static JavaVM *jvm;
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30 static JNIEnv *jni;
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31 static jclass activity_class;
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32 static jobject activity;
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33
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34 void android_main(struct android_app *app_ptr)
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35 {
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36 app_dummy();
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37 app = app_ptr;
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38
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39 app->onAppCmd = handle_command;
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40 app->onInputEvent = handle_input;
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41
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42 //ANativeActivity_setWindowFlags(app->activity, AWINDOW_FLAG_FULLSCREEN, 0);
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43
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44 start_logger();
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45
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46 jvm = app->activity->vm;
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47 if((*jvm)->AttachCurrentThread(jvm, &jni, 0) != 0) {
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48 fprintf(stderr, "failed to attach native thread to Java VM\n");
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49 exit(1);
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50 }
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51 activity = app->activity->clazz;
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52 activity_class = (*jni)->GetObjectClass(jni, app->activity->clazz);
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53
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54 for(;;) {
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55 int num_events;
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56 struct android_poll_source *pollsrc;
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57
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58 while(ALooper_pollAll(0, 0, &num_events, (void**)&pollsrc) >= 0) {
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59 if(pollsrc) {
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60 pollsrc->process(app, pollsrc);
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61 }
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62 }
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63
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64 if(app->destroyRequested) {
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65 return;
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66 }
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67
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68 if(init_done && redisp_pending) {
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69 redraw();
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70 eglSwapBuffers(dpy, surf);
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71 }
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72 }
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73 }
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74
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75 void set_mouse_pos(int x, int y)
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76 {
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77 }
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78
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79 void set_mouse_cursor(int enable)
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80 {
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81 }
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82
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83 void ad_banner_show(void)
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84 {
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85 jmethodID method;
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86 if(!jvm) return;
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87
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88 if(!(method = (*jni)->GetMethodID(jni, activity_class, "show_ad", "()V"))) {
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89 fprintf(stderr, "failed to retrieve MainActivity.show_ad method\n");
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90 return;
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91 }
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92 (*jni)->CallVoidMethod(jni, activity, method);
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93 }
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94
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95 void ad_banner_hide(void)
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96 {
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97 jmethodID method;
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98 if(!jvm) return;
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99
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100 if(!(method = (*jni)->GetMethodID(jni, activity_class, "hide_ad", "()V"))) {
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101 fprintf(stderr, "failed to retrieve MainActivity.hide_ad method\n");
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102 return;
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103 }
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104 (*jni)->CallVoidMethod(jni, activity, method);
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105 }
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106
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107 static void handle_command(struct android_app *app, int32_t cmd)
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108 {
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109 switch(cmd) {
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110 case APP_CMD_SAVE_STATE:
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111 /* save the application state to be reloaded on restart if needed */
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112 break;
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113
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114 case APP_CMD_INIT_WINDOW:
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115 printf("APP_CMD_INIT_WINDOW\n");
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116 ad_banner_show();
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117
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118 if(init_gl() == -1) {
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119 exit(1);
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120 }
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121 /* initialize the application */
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122 if(init() == -1) {
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123 exit(1); /* initialization failed, quit */
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124 }
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125 reshape(width, height);
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126 init_done = 1;
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127 break;
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128
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129 case APP_CMD_TERM_WINDOW:
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130 /* cleanup */
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131 printf("APP_CMD_TERM_WINDOW\n");
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132 init_done = 0;
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133 cleanup();
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134 destroy_gl();
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135 break;
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136
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137 case APP_CMD_GAINED_FOCUS:
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138 printf("APP_CMD_GAINED_FOCUS\n");
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139 /* app focused */
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140 break;
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141
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142 case APP_CMD_LOST_FOCUS:
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143 printf("APP_CMD_LOST_FOCUS\n");
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144 /* app lost focus */
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145 break;
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146
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147 case APP_CMD_WINDOW_RESIZED:
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148 case APP_CMD_CONFIG_CHANGED:
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149 {
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150 int nx = ANativeWindow_getWidth(app->window);
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151 int ny = ANativeWindow_getHeight(app->window);
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152 if(nx != width || ny != height) {
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153 printf("reshape(%d, %d)\n", nx, ny);
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154 reshape(nx, ny);
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155 width = nx;
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156 height = ny;
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157 }
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158 }
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159 break;
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160
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161 default:
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162 break;
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163 }
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164 }
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165
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166 static int handle_input(struct android_app *app, AInputEvent *ev)
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167 {
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168 int evtype = AInputEvent_getType(ev);
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169
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170 switch(evtype) {
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171 case AINPUT_EVENT_TYPE_MOTION:
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172 return handle_touch_input(app, ev);
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173
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174 default:
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175 break;
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176 }
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177 return 0;
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178 }
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179
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180 #define MAX_TOUCH_IDS 32
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181
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182 static int handle_touch_input(struct android_app *app, AInputEvent *ev)
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183 {
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184 int x, y, idx, touch_id;
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185 unsigned int action;
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186 static int prev_pos[MAX_TOUCH_IDS][2];
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187
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188 action = AMotionEvent_getAction(ev);
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189
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190 idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>
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191 AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
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192 touch_id = AMotionEvent_getPointerId(ev, idx);
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193
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194 x = AMotionEvent_getX(ev, idx);
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195 y = AMotionEvent_getY(ev, idx);
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196
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197 switch(action & AMOTION_EVENT_ACTION_MASK) {
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198 case AMOTION_EVENT_ACTION_DOWN:
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199 case AMOTION_EVENT_ACTION_POINTER_DOWN:
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200 if(touch_id == 0) {
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201 mouse_button(0, 1, x, y);
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202 }
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203 if(touch_id < MAX_TOUCH_IDS) {
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204 prev_pos[touch_id][0] = x;
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205 prev_pos[touch_id][1] = y;
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206 }
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207 break;
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208
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209 case AMOTION_EVENT_ACTION_UP:
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210 case AMOTION_EVENT_ACTION_POINTER_UP:
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211 if(touch_id == 0) {
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212 mouse_button(0, 0, x, y);
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213 }
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214 if(touch_id < MAX_TOUCH_IDS) {
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215 prev_pos[touch_id][0] = x;
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216 prev_pos[touch_id][1] = y;
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217 }
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218 break;
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219
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220 case AMOTION_EVENT_ACTION_MOVE:
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221 {
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222 int i, pcount = AMotionEvent_getPointerCount(ev);
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223 for(i=0; i<pcount; i++) {
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224 int id = AMotionEvent_getPointerId(ev, i);
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225 if(id < MAX_TOUCH_IDS && x != prev_pos[id][0] && y != prev_pos[id][1]) {
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226 if(id == 0) {
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227 mouse_motion(x, y);
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228 }
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229 prev_pos[id][0] = x;
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230 prev_pos[id][1] = y;
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231 }
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232 }
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233 }
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234 break;
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235
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236 default:
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237 break;
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238 }
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239
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240 return 1;
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241 }
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242
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243
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244 static int init_gl(void)
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245 {
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246 static const int eglattr[] = {
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247 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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248 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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249 EGL_RED_SIZE, 5,
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250 EGL_GREEN_SIZE, 5,
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251 EGL_BLUE_SIZE, 5,
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252 EGL_DEPTH_SIZE, 16,
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253 EGL_NONE
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254 };
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255 static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
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256
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257 EGLConfig eglcfg;
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258 int count, vis;
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259
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260 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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261 if(!dpy || !eglInitialize(dpy, 0, 0)) {
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262 fprintf(stderr, "failed to initialize EGL\n");
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263 destroy_gl();
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264 return -1;
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265 }
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266
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267 if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {
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268 fprintf(stderr, "no matching EGL config found\n");
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269 destroy_gl();
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270 return -1;
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271 }
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272
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273 /* configure the native window visual according to the chosen EGL config */
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274 eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);
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275 ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);
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276
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277 if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {
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278 fprintf(stderr, "failed to create window\n");
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279 destroy_gl();
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280 return -1;
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281 }
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282
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283 if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {
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284 fprintf(stderr, "failed to create OpenGL ES context\n");
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285 destroy_gl();
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286 return -1;
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287 }
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288 eglMakeCurrent(dpy, surf, surf, ctx);
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289
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290 eglQuerySurface(dpy, surf, EGL_WIDTH, &width);
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291 eglQuerySurface(dpy, surf, EGL_HEIGHT, &height);
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292 printf("initial reshape call: %dx%d\n", width, height);
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293 reshape(width, height);
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294
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295 return 0;
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296 }
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297
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298 static void destroy_gl(void)
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299 {
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300 if(!dpy) return;
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301
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302 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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303
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304 if(ctx) {
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305 eglDestroyContext(dpy, ctx);
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306 ctx = 0;
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307 }
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308 if(surf) {
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309 eglDestroySurface(dpy, surf);
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310 surf = 0;
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311 }
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312
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313 eglTerminate(dpy);
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314 dpy = 0;
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315 }
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