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annotate android/testproject/jni/app-android.cpp @ 4722:faa228f7ce5b

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- Cleaned up a bunch of code - Added 'feature' enable/disable so we're not running accel/sound/whatever in Java when we don't need to be - More work on the sound system. But it still crashes pretty horribly, not sure why yet.
author Paul Hunkin <paul@bieh.net>
date Tue, 27 Jul 2010 21:21:24 +0200
parents f2c2a33a1a38
children 74da47b2f5b7
rev   line source
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1 /*******************************************************************************
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2 Headers
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3 *******************************************************************************/
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4 #include <jni.h>
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5 #include <sys/time.h>
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6 #include <time.h>
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7 #include <android/log.h>
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8 #include <stdint.h>
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9
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <math.h>
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13
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14 #include <pthread.h>
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15
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16 #include "importgl.h"
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17 #include "egl.h"
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18
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19 /*******************************************************************************
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20 Globals
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21 *******************************************************************************/
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22 static long _getTime(void){
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23 struct timeval now;
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24 gettimeofday(&now, NULL);
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25 return (long)(now.tv_sec*1000 + now.tv_usec/1000);
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26 }
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27
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28 JNIEnv* mEnv = NULL;
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29 JavaVM* mVM = NULL;
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30
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31 //Main activity
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32 jclass mActivityInstance;
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33
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34 //method signatures
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35 jmethodID midCreateGLContext;
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36 jmethodID midFlipBuffers;
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37 jmethodID midEnableFeature;
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38
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39 extern "C" int SDL_main();
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40 extern "C" int Android_OnKeyDown(int keycode);
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41 extern "C" int Android_OnKeyUp(int keycode);
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42 extern "C" void Android_SetScreenResolution(int width, int height);
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43 extern "C" void Android_OnResize(int width, int height, int format);
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44 extern "C" int SDL_SendQuit();
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45 extern "C" void Android_EnableFeature(int featureid, bool enabled);
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46
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47 //If we're not the active app, don't try to render
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48 bool bRenderingEnabled = false;
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49
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50 //Feature IDs
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51 static const int FEATURE_SOUND = 1;
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52 static const int FEATURE_ACCEL = 2;
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53
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54 //Accelerometer data storage
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55 float fLastAccelerometer[3];
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56
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57 /*******************************************************************************
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58 Functions called by JNI
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59 *******************************************************************************/
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60
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61 //Library init
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62 extern "C" jint JNI_OnLoad(JavaVM* vm, void* reserved){
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63
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64 JNIEnv* env = NULL;
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65 jint result = -1;
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66
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67 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
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68 return result;
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69 }
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70
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71 mEnv = env;
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72
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73 __android_log_print(ANDROID_LOG_INFO, "SDL", "JNI: OnLoad");
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74
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75 jclass cls = mEnv->FindClass ("org/libsdl/android/SDLActivity");
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76 mActivityInstance = cls;
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77 midCreateGLContext = mEnv->GetStaticMethodID(cls,"createGLContext","()V");
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78 midFlipBuffers = mEnv->GetStaticMethodID(cls,"flipBuffers","()V");
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79 midEnableFeature = mEnv->GetStaticMethodID(cls,"enableFeature","(I, I)V");
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80
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81 if(!midCreateGLContext || !midFlipBuffers || !midEnableFeature){
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82 __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: Bad mids\n");
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83 }else{
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84 __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: Good mids\n");
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85 }
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86
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87 return JNI_VERSION_1_4;
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88 }
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89
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90 //Start up the SDL app
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91 extern "C" void Java_org_libsdl_android_SDLActivity_nativeInit( JNIEnv* env,
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92 jobject obj ){
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93
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94 __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: Native Init");
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95
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96 mEnv = env;
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97 bRenderingEnabled = true;
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98
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99 Android_EnableFeature(FEATURE_ACCEL, true);
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100
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101 SDL_main();
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102 }
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103
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104 //Keydown
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105 extern "C" void Java_org_libsdl_android_SDLActivity_onNativeKeyDown(JNIEnv* env,
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106 jobject obj, jint keycode){
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107
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108 int r = Android_OnKeyDown(keycode);
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109 __android_log_print(ANDROID_LOG_INFO, "SDL",
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110 "SDL: native key down %d, %d\n", keycode, r);
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111
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112 }
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113
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114 //Keyup
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115 extern "C" void Java_org_libsdl_android_SDLActivity_onNativeKeyUp(JNIEnv* env,
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116 jobject obj, jint keycode){
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117
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118 int r = Android_OnKeyUp(keycode);
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119 __android_log_print(ANDROID_LOG_INFO, "SDL",
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120 "SDL: native key up %d, %d\n", keycode, r);
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121
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122 }
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123
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124 //Touch
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125 extern "C" void Java_org_libsdl_android_SDLActivity_onNativeTouch(JNIEnv* env,
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126 jobject obj, jint action, jfloat x, jfloat y, jfloat p){
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127
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128 __android_log_print(ANDROID_LOG_INFO, "SDL",
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129 "SDL: native touch event %d @ %f/%f, pressure %f\n",
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130 action, x, y, p);
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131
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132 //TODO: Pass this off to the SDL multitouch stuff
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133
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134 }
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135
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136 //Quit
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137 extern "C" void Java_org_libsdl_android_SDLActivity_nativeQuit( JNIEnv* env,
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138 jobject obj ){
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139
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140 //Stop rendering as we're no longer in the foreground
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141 bRenderingEnabled = false;
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142
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143 //Inject a SDL_QUIT event
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144 int r = SDL_SendQuit();
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145
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146 __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: Native quit %d", r);
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147 }
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148
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149 //Screen size
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150 extern "C" void Java_org_libsdl_android_SDLActivity_nativeSetScreenSize(
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151 JNIEnv* env, jobject obj, jint width, jint height){
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152
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153 __android_log_print(ANDROID_LOG_INFO, "SDL",
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154 "SDL: Set screen size on init: %d/%d\n", width, height);
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155 Android_SetScreenResolution(width, height);
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156
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157 }
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158
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159 //Resize
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160 extern "C" void Java_org_libsdl_android_SDLActivity_onNativeResize(
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161 JNIEnv* env, jobject obj, jint width,
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162 jint height, jint format){
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163 Android_OnResize(width, height, format);
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164 }
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165
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166 extern "C" void Java_org_libsdl_android_SDLActivity_onNativeAccel(
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167 JNIEnv* env, jobject obj,
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168 jfloat x, jfloat y, jfloat z){
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169 fLastAccelerometer[0] = x;
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170 fLastAccelerometer[1] = y;
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171 fLastAccelerometer[2] = z;
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172 }
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173
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174
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175
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176 /*******************************************************************************
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177 Functions called by SDL into Java
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178 *******************************************************************************/
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179 extern "C" void Android_CreateContext(){
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180 __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: sdl_create_context()\n");
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181
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182 bRenderingEnabled = true;
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183
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184 mEnv->CallStaticVoidMethod(mActivityInstance, midCreateGLContext );
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185 }
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186
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187 extern "C" void Android_Render(){
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188
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189 if(!bRenderingEnabled){
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190 return;
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191 }
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192
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193 //When we get here, we've accumulated a full frame
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194 mEnv->CallStaticVoidMethod(mActivityInstance, midFlipBuffers );
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195 }
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196
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197 extern "C" void Android_EnableFeature(int featureid, bool enabled){
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198
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199 mEnv->CallStaticVoidMethod(mActivityInstance, midFlipBuffers,
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200 featureid, (int)enabled);
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201 }
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202