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  1. package com.example.glsample;
  2.  
  3. import java.util.concurrent.LinkedBlockingQueue;
  4.  
  5. import javax.microedition.khronos.egl.EGL10;
  6. import javax.microedition.khronos.egl.EGLConfig;
  7. import javax.microedition.khronos.egl.EGLContext;
  8. import javax.microedition.khronos.egl.EGLDisplay;
  9. import javax.microedition.khronos.egl.EGLSurface;
  10.  
  11. import android.annotation.TargetApi;
  12. import android.app.Activity;
  13. import android.opengl.EGL14;
  14. import android.opengl.GLES10;
  15. import android.os.Build;
  16. import android.os.Bundle;
  17. import android.view.SurfaceHolder;
  18.  
  19. @TargetApi(17)
  20. public class MyActivity extends Activity implements SurfaceHolder.Callback2 {
  21. 	private EGL10 mEGL;
  22. 	private EGLDisplay mDisplay;
  23. 	private EGLContext mRendererContext;
  24. 	private EGLContext mWorkerContext;
  25. 	private EGLSurface mRendererSurface;
  26. 	private EGLSurface mWorkerSurface;
  27. 	private LinkedBlockingQueue<Runnable> mRendererQueue;
  28. 	private LinkedBlockingQueue<Runnable> mWorkerQueue;
  29. 	private MyGLThread mRendererThread;
  30. 	private MyGLThread mWorkerThread;
  31.  
  32. 	@Override
  33. 	protected void onCreate(Bundle savedInstanceState) {
  34. 		super.onCreate(savedInstanceState);
  35. 		getWindow().takeSurface(this);
  36. 	}
  37.  
  38. 	@Override
  39. 	public void surfaceCreated(SurfaceHolder holder) {
  40. 		mEGL = (EGL10) EGLContext.getEGL();
  41.  
  42. 		mDisplay = mEGL.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
  43.  
  44. 		int[] versions = new int[2];
  45. 		mEGL.eglInitialize(mDisplay, versions);
  46.  
  47. 		EGLConfig[] configs = new EGLConfig[1];
  48. 		int[] numConfigs = new int[1];
  49. 		int[] configAttrs = { EGL10.EGL_RED_SIZE, 8, EGL10.EGL_GREEN_SIZE, 8,
  50. 				EGL10.EGL_BLUE_SIZE, 8, EGL10.EGL_DEPTH_SIZE, 16,
  51. 				EGL10.EGL_NONE };
  52. 		mEGL.eglChooseConfig(mDisplay, configAttrs, configs, 1, numConfigs);
  53. 		EGLConfig config = configs[0];
  54.  
  55. 		int[] windowSurfaceAttrs = { EGL10.EGL_NONE };
  56. 		mRendererSurface = mEGL.eglCreateWindowSurface(mDisplay, config,
  57. 				holder.getSurface(), windowSurfaceAttrs);
  58.  
  59. 		int[] pbufferSurfaceAttrs = { EGL10.EGL_NONE };
  60. 		mWorkerSurface = mEGL.eglCreatePbufferSurface(mDisplay, config,
  61. 				pbufferSurfaceAttrs);
  62.  
  63. 		int[] contextAttrs = { EGL10.EGL_NONE };
  64. 		mRendererContext = mEGL.eglCreateContext(mDisplay, config,
  65. 				EGL10.EGL_NO_CONTEXT, contextAttrs);
  66. 		mWorkerContext = mEGL.eglCreateContext(mDisplay, config,
  67. 				mRendererContext, contextAttrs);
  68.  
  69. 		mRendererQueue = new LinkedBlockingQueue<Runnable>();
  70. 		mWorkerQueue = new LinkedBlockingQueue<Runnable>();
  71.  
  72. 		mRendererThread = new MyGLThread(mEGL, mDisplay, mRendererSurface,
  73. 				mRendererContext, mRendererQueue);
  74. 		mRendererThread.start();
  75.  
  76. 		mWorkerThread = new MyGLThread(mEGL, mDisplay, mWorkerSurface,
  77. 				mWorkerContext, mWorkerQueue);
  78. 		mWorkerThread.start();
  79.  
  80. 		mRendererQueue.add(new Runnable() {
  81. 			@Override
  82. 			public void run() {
  83. 				drawFrame();
  84. 				mRendererQueue.add(this);
  85. 				mEGL.eglSwapBuffers(mDisplay, mRendererSurface);
  86. 			}
  87. 		});
  88. 	}
  89.  
  90. 	@Override
  91. 	public void surfaceChanged(SurfaceHolder holder, int format, int width,
  92. 			int height) {
  93. 	}
  94.  
  95. 	@Override
  96. 	public void surfaceRedrawNeeded(SurfaceHolder holder) {
  97. 	}
  98.  
  99. 	@Override
  100. 	public void surfaceDestroyed(SurfaceHolder holder) {
  101. 		mRendererThread.quit();
  102. 		mWorkerThread.quit();
  103. 		mEGL.eglDestroyContext(mDisplay, mRendererContext);
  104. 		mEGL.eglDestroyContext(mDisplay, mWorkerContext);
  105. 		mEGL.eglDestroySurface(mDisplay, mRendererSurface);
  106. 		mEGL.eglDestroySurface(mDisplay, mWorkerSurface);
  107. 		mEGL.eglTerminate(mDisplay);
  108. 	}
  109.  
  110. 	void drawFrame() {
  111. 		GLES10.glClearColor(0, 0, 1, 1);
  112. 		GLES10.glClear(GLES10.GL_COLOR_BUFFER_BIT | GLES10.GL_DEPTH_BUFFER_BIT);
  113. 		// ...
  114. 	}
  115. }
  116.  
  117. class MyGLThread extends Thread {
  118. 	private EGL10 mEGL;
  119. 	private EGLDisplay mDisplay;
  120. 	private EGLSurface mSurface;
  121. 	private EGLContext mContext;
  122. 	private LinkedBlockingQueue<Runnable> mQueue;
  123. 	private boolean quit;
  124.  
  125. 	MyGLThread(EGL10 egl, EGLDisplay display, EGLSurface surface,
  126. 			EGLContext context, LinkedBlockingQueue<Runnable> queue) {
  127. 		this.mEGL = egl;
  128. 		this.mDisplay = display;
  129. 		this.mSurface = surface;
  130. 		this.mContext = context;
  131. 		this.mQueue = queue;
  132. 	}
  133.  
  134. 	void quit() {
  135. 		quit = true;
  136. 		interrupt();
  137. 		try {
  138. 			join();
  139. 		} catch (InterruptedException e) {
  140. 			throw new AssertionError(e);
  141. 		}
  142. 	}
  143.  
  144. 	@Override
  145. 	public void run() {
  146. 		try {
  147. 			mEGL.eglMakeCurrent(mDisplay, mSurface, mSurface, mContext);
  148. 			while (!quit) {
  149. 				mQueue.take().run();
  150. 			}
  151. 		} catch (InterruptedException e) {
  152. 			if (!quit) {
  153. 				throw new AssertionError(e);
  154. 			}
  155. 		} finally {
  156. 			mEGL.eglMakeCurrent(mDisplay, EGL10.EGL_NO_SURFACE,
  157. 					EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
  158. 			if (Build.VERSION.SDK_INT >= 17) {
  159. 				EGL14.eglReleaseThread();
  160. 			}
  161. 		}
  162. 	}
  163. }
  164.  
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
Main.java:20: error: class MyActivity is public, should be declared in a file named MyActivity.java
public class MyActivity extends Activity implements SurfaceHolder.Callback2 {
       ^
Main.java:5: error: package javax.microedition.khronos.egl does not exist
import javax.microedition.khronos.egl.EGL10;
                                     ^
Main.java:6: error: package javax.microedition.khronos.egl does not exist
import javax.microedition.khronos.egl.EGLConfig;
                                     ^
Main.java:7: error: package javax.microedition.khronos.egl does not exist
import javax.microedition.khronos.egl.EGLContext;
                                     ^
Main.java:8: error: package javax.microedition.khronos.egl does not exist
import javax.microedition.khronos.egl.EGLDisplay;
                                     ^
Main.java:9: error: package javax.microedition.khronos.egl does not exist
import javax.microedition.khronos.egl.EGLSurface;
                                     ^
Main.java:11: error: package android.annotation does not exist
import android.annotation.TargetApi;
                         ^
Main.java:12: error: package android.app does not exist
import android.app.Activity;
                  ^
Main.java:13: error: package android.opengl does not exist
import android.opengl.EGL14;
                     ^
Main.java:14: error: package android.opengl does not exist
import android.opengl.GLES10;
                     ^
Main.java:15: error: package android.os does not exist
import android.os.Build;
                 ^
Main.java:16: error: package android.os does not exist
import android.os.Bundle;
                 ^
Main.java:17: error: package android.view does not exist
import android.view.SurfaceHolder;
                   ^
Main.java:20: error: cannot find symbol
public class MyActivity extends Activity implements SurfaceHolder.Callback2 {
                                ^
  symbol: class Activity
Main.java:20: error: package SurfaceHolder does not exist
public class MyActivity extends Activity implements SurfaceHolder.Callback2 {
                                                                 ^
Main.java:19: error: cannot find symbol
@TargetApi(17)
 ^
  symbol: class TargetApi
Main.java:21: error: cannot find symbol
	private EGL10 mEGL;
	        ^
  symbol:   class EGL10
  location: class MyActivity
Main.java:22: error: cannot find symbol
	private EGLDisplay mDisplay;
	        ^
  symbol:   class EGLDisplay
  location: class MyActivity
Main.java:23: error: cannot find symbol
	private EGLContext mRendererContext;
	        ^
  symbol:   class EGLContext
  location: class MyActivity
Main.java:24: error: cannot find symbol
	private EGLContext mWorkerContext;
	        ^
  symbol:   class EGLContext
  location: class MyActivity
Main.java:25: error: cannot find symbol
	private EGLSurface mRendererSurface;
	        ^
  symbol:   class EGLSurface
  location: class MyActivity
Main.java:26: error: cannot find symbol
	private EGLSurface mWorkerSurface;
	        ^
  symbol:   class EGLSurface
  location: class MyActivity
Main.java:33: error: cannot find symbol
	protected void onCreate(Bundle savedInstanceState) {
	                        ^
  symbol:   class Bundle
  location: class MyActivity
Main.java:39: error: cannot find symbol
	public void surfaceCreated(SurfaceHolder holder) {
	                           ^
  symbol:   class SurfaceHolder
  location: class MyActivity
Main.java:91: error: cannot find symbol
	public void surfaceChanged(SurfaceHolder holder, int format, int width,
	                           ^
  symbol:   class SurfaceHolder
  location: class MyActivity
Main.java:96: error: cannot find symbol
	public void surfaceRedrawNeeded(SurfaceHolder holder) {
	                                ^
  symbol:   class SurfaceHolder
  location: class MyActivity
Main.java:100: error: cannot find symbol
	public void surfaceDestroyed(SurfaceHolder holder) {
	                             ^
  symbol:   class SurfaceHolder
  location: class MyActivity
Main.java:118: error: cannot find symbol
	private EGL10 mEGL;
	        ^
  symbol:   class EGL10
  location: class MyGLThread
Main.java:119: error: cannot find symbol
	private EGLDisplay mDisplay;
	        ^
  symbol:   class EGLDisplay
  location: class MyGLThread
Main.java:120: error: cannot find symbol
	private EGLSurface mSurface;
	        ^
  symbol:   class EGLSurface
  location: class MyGLThread
Main.java:121: error: cannot find symbol
	private EGLContext mContext;
	        ^
  symbol:   class EGLContext
  location: class MyGLThread
Main.java:125: error: cannot find symbol
	MyGLThread(EGL10 egl, EGLDisplay display, EGLSurface surface,
	           ^
  symbol:   class EGL10
  location: class MyGLThread
Main.java:125: error: cannot find symbol
	MyGLThread(EGL10 egl, EGLDisplay display, EGLSurface surface,
	                      ^
  symbol:   class EGLDisplay
  location: class MyGLThread
Main.java:125: error: cannot find symbol
	MyGLThread(EGL10 egl, EGLDisplay display, EGLSurface surface,
	                                          ^
  symbol:   class EGLSurface
  location: class MyGLThread
Main.java:126: error: cannot find symbol
			EGLContext context, LinkedBlockingQueue<Runnable> queue) {
			^
  symbol:   class EGLContext
  location: class MyGLThread
Main.java:34: error: cannot find symbol
		super.onCreate(savedInstanceState);
		^
  symbol:   variable super
  location: class MyActivity
Main.java:35: error: cannot find symbol
		getWindow().takeSurface(this);
		^
  symbol:   method getWindow()
  location: class MyActivity
Main.java:32: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:40: error: cannot find symbol
		mEGL = (EGL10) EGLContext.getEGL();
		        ^
  symbol:   class EGL10
  location: class MyActivity
Main.java:40: error: cannot find symbol
		mEGL = (EGL10) EGLContext.getEGL();
		               ^
  symbol:   variable EGLContext
  location: class MyActivity
Main.java:42: error: cannot find symbol
		mDisplay = mEGL.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
		                              ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:47: error: cannot find symbol
		EGLConfig[] configs = new EGLConfig[1];
		^
  symbol:   class EGLConfig
  location: class MyActivity
Main.java:47: error: cannot find symbol
		EGLConfig[] configs = new EGLConfig[1];
		                          ^
  symbol:   class EGLConfig
  location: class MyActivity
Main.java:49: error: cannot find symbol
		int[] configAttrs = { EGL10.EGL_RED_SIZE, 8, EGL10.EGL_GREEN_SIZE, 8,
		                      ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:49: error: cannot find symbol
		int[] configAttrs = { EGL10.EGL_RED_SIZE, 8, EGL10.EGL_GREEN_SIZE, 8,
		                                             ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:50: error: cannot find symbol
				EGL10.EGL_BLUE_SIZE, 8, EGL10.EGL_DEPTH_SIZE, 16,
				^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:50: error: cannot find symbol
				EGL10.EGL_BLUE_SIZE, 8, EGL10.EGL_DEPTH_SIZE, 16,
				                        ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:51: error: cannot find symbol
				EGL10.EGL_NONE };
				^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:53: error: cannot find symbol
		EGLConfig config = configs[0];
		^
  symbol:   class EGLConfig
  location: class MyActivity
Main.java:55: error: cannot find symbol
		int[] windowSurfaceAttrs = { EGL10.EGL_NONE };
		                             ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:59: error: cannot find symbol
		int[] pbufferSurfaceAttrs = { EGL10.EGL_NONE };
		                              ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:63: error: cannot find symbol
		int[] contextAttrs = { EGL10.EGL_NONE };
		                       ^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:65: error: cannot find symbol
				EGL10.EGL_NO_CONTEXT, contextAttrs);
				^
  symbol:   variable EGL10
  location: class MyActivity
Main.java:38: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:90: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:95: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:99: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:111: error: cannot find symbol
		GLES10.glClearColor(0, 0, 1, 1);
		^
  symbol:   variable GLES10
  location: class MyActivity
Main.java:112: error: cannot find symbol
		GLES10.glClear(GLES10.GL_COLOR_BUFFER_BIT | GLES10.GL_DEPTH_BUFFER_BIT);
		               ^
  symbol:   variable GLES10
  location: class MyActivity
Main.java:112: error: cannot find symbol
		GLES10.glClear(GLES10.GL_COLOR_BUFFER_BIT | GLES10.GL_DEPTH_BUFFER_BIT);
		                                            ^
  symbol:   variable GLES10
  location: class MyActivity
Main.java:112: error: cannot find symbol
		GLES10.glClear(GLES10.GL_COLOR_BUFFER_BIT | GLES10.GL_DEPTH_BUFFER_BIT);
		^
  symbol:   variable GLES10
  location: class MyActivity
Main.java:156: error: cannot find symbol
			mEGL.eglMakeCurrent(mDisplay, EGL10.EGL_NO_SURFACE,
			                              ^
  symbol:   variable EGL10
  location: class MyGLThread
Main.java:157: error: cannot find symbol
					EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
					^
  symbol:   variable EGL10
  location: class MyGLThread
Main.java:157: error: cannot find symbol
					EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
					                      ^
  symbol:   variable EGL10
  location: class MyGLThread
Main.java:158: error: package Build does not exist
			if (Build.VERSION.SDK_INT >= 17) {
			         ^
Main.java:159: error: cannot find symbol
				EGL14.eglReleaseThread();
				^
  symbol:   variable EGL14
  location: class MyGLThread
66 errors
stdout
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Standard output is empty
https://ideone.com/Jm3UOT
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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