Java EGLConfig类代码示例

import android.opengl.EGLConfig; //导入依赖的package包/类
public boolean createGLESWithSurface(EGLConfigAttrs attrs,EGLContextAttrs ctxAttrs,Object surface){
    EGLConfig config=getConfig(attrs.surfaceType(EGL14.EGL_WINDOW_BIT).makeDefault(true));
    if(config==null){
        log("getConfig failed : "+EGL14.eglGetError());
        return false;
    }
    mEGLContext=createContext(config,EGL14.EGL_NO_CONTEXT,ctxAttrs.makeDefault(true));
    if(mEGLContext==EGL14.EGL_NO_CONTEXT){
        log("createContext failed : "+EGL14.eglGetError());
        return false;
    }
    mEGLSurface=createWindowSurface(surface);
    if(mEGLSurface==EGL14.EGL_NO_SURFACE){
        log("createWindowSurface failed : "+EGL14.eglGetError());
        return false;
    }
    if(!EGL14.eglMakeCurrent(mEGLDisplay,mEGLSurface,mEGLSurface,mEGLContext)){
        log("eglMakeCurrent failed : "+EGL14.eglGetError());
        return false;
    }
    return true;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
public EGLSurface createGLESWithPBuffer(EGLConfigAttrs attrs,EGLContextAttrs ctxAttrs,int width,int height){
    EGLConfig config=getConfig(attrs.surfaceType(EGL14.EGL_PBUFFER_BIT));
    if(config==null){
        log("getConfig failed : "+EGL14.eglGetError());
        return null;
    }
    EGLContext eglContext=createContext(config,EGL14.EGL_NO_CONTEXT,ctxAttrs);
    if(eglContext==EGL14.EGL_NO_CONTEXT){
        log("createContext failed : "+EGL14.eglGetError());
        return null;
    }
    EGLSurface eglSurface=createPBufferSurface(config,width,height);
    if(eglSurface==EGL14.EGL_NO_SURFACE){
        log("createWindowSurface failed : "+EGL14.eglGetError());
        return null;
    }
    if(!EGL14.eglMakeCurrent(mEGLDisplay,eglSurface,eglSurface,eglContext)){
        log("eglMakeCurrent failed : "+EGL14.eglGetError());
        return null;
    }
    return eglSurface;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
/** Constructs a new {@link InputSurface} */
private InputSurface(@NonNull Builder builder) {
    checkState();

    mAutoSwap = builder.autoSwap;
    mWidth = builder.width;
    mHeight = builder.height;
    mByteBuffer = builder.byteBuffer;

    mEglDisplay = GLTools.newDisplay();

    final EGLConfig eglConfig = GLTools.newConfig(mEglDisplay, false);
    mEglContext = GLTools.newContext(mEglDisplay, eglConfig);
    mEglSurface = GLTools.newSurface(mEglDisplay, eglConfig, builder.surface);

    if (mAutoSwap)
        GLTools.makeCurrent(mEglDisplay, mEglSurface, mEglContext);

    GLTools.newShader(mShader);
    mTexture = GLTools.newTexture(TEXTURE_LEVEL);

    logv("Input surface created");
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
/**
 * Test for {@link GLTools#setPresentationTime(EGLDisplay, EGLSurface, long)} .
 * @throws Exception by some fails
 */
@Test
public final void testSetPresentationTime() throws Exception {
    final EGLDisplay eglDisplay = GLTools.newDisplay();
    final EGLConfig eglConfig = GLTools.newConfig(eglDisplay, true);
    final EGLContext eglContext = GLTools.newContext(eglDisplay, eglConfig);
    final EGLSurface eglSurface =
            GLTools.newSurface(eglDisplay, eglConfig, FRAME_SIZE, FRAME_SIZE);
    GLTools.makeCurrent(eglDisplay, eglSurface, eglContext);

    final int txt = GLTools.newTexture(TEXTURE_LEVEL);
    final SurfaceTexture surfaceTexture = new SurfaceTexture(txt, true);
    final Surface surface = new Surface(surfaceTexture);
    final EGLSurface window = GLTools.newSurface(eglDisplay, eglConfig, surface);

    GLTools.setPresentationTime(eglDisplay, window, PRESENTATION_TIME);

    GLTools.closeSurface(eglDisplay, window);
    surface.release();
    surfaceTexture.release();
    GLTools.closeTexture(txt, TEXTURE_LEVEL);

    GLTools.closeSurface(eglDisplay, eglSurface);
    GLTools.closeContext(eglDisplay, eglContext);
    GLTools.closeDisplay(eglDisplay);
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
/**
 * Test for {@link GLTools#newTexture(int)} and {@link GLTools#closeTexture(int, int)}.
 * @throws Exception by some fails
 */
@Test
public final void testTexture() throws Exception {
    final EGLDisplay eglDisplay = GLTools.newDisplay();
    final EGLConfig eglConfig = GLTools.newConfig(eglDisplay, true);
    final EGLContext eglContext = GLTools.newContext(eglDisplay, eglConfig);
    final EGLSurface eglSurface =
            GLTools.newSurface(eglDisplay, eglConfig, FRAME_SIZE, FRAME_SIZE);

    GLTools.makeCurrent(eglDisplay, eglSurface, eglContext);

    GLTools.closeTexture(GLTools.newTexture(TEXTURE_LEVEL), TEXTURE_LEVEL);

    GLTools.closeSurface(eglDisplay, eglSurface);
    GLTools.closeContext(eglDisplay, eglContext);
    GLTools.closeDisplay(eglDisplay);
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
/**
 * Test for {@link GLTools#newShader(int[])} and {@link GLTools#closeShader(int[])}.
 * @throws Exception by some fails
 */
@Test
public final void testShader() throws Exception {
    final EGLDisplay eglDisplay = GLTools.newDisplay();
    final EGLConfig eglConfig = GLTools.newConfig(eglDisplay, true);
    final EGLContext eglContext = GLTools.newContext(eglDisplay, eglConfig);
    final EGLSurface eglSurface =
            GLTools.newSurface(eglDisplay, eglConfig, FRAME_SIZE, FRAME_SIZE);

    GLTools.makeCurrent(eglDisplay, eglSurface, eglContext);

    final int[] attrs = new int[5];
    GLTools.newShader(attrs);
    GLTools.closeShader(attrs);

    GLTools.closeSurface(eglDisplay, eglSurface);
    GLTools.closeContext(eglDisplay, eglContext);
    GLTools.closeDisplay(eglDisplay);
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
private static EGLConfig getEglConfig(EGLDisplay eglDisplay, int[] configAttributes) {
  EGLConfig[] configs = new EGLConfig[1];
  int[] numConfigs = new int[1];
  if (!EGL14.eglChooseConfig(
          eglDisplay, configAttributes, 0, configs, 0, configs.length, numConfigs, 0)) {
    throw new RuntimeException(
        "eglChooseConfig failed: 0x" + Integer.toHexString(EGL14.eglGetError()));
  }
  if (numConfigs[0] <= 0) {
    throw new RuntimeException("Unable to find any matching EGL config");
  }
  final EGLConfig eglConfig = configs[0];
  if (eglConfig == null) {
    throw new RuntimeException("eglChooseConfig returned null");
  }
  return eglConfig;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
private static EGLContext createEglContext(
    EglBase14.Context sharedContext, EGLDisplay eglDisplay, EGLConfig eglConfig) {
  if (sharedContext != null && sharedContext.egl14Context == EGL14.EGL_NO_CONTEXT) {
    throw new RuntimeException("Invalid sharedContext");
  }
  int[] contextAttributes = {EGL14.EGL_CONTEXT_CLIENT_VERSION, 2, EGL14.EGL_NONE};
  EGLContext rootContext =
      sharedContext == null ? EGL14.EGL_NO_CONTEXT : sharedContext.egl14Context;
  final EGLContext eglContext;
  synchronized (EglBase.lock) {
    eglContext = EGL14.eglCreateContext(eglDisplay, eglConfig, rootContext, contextAttributes, 0);
  }
  if (eglContext == EGL14.EGL_NO_CONTEXT) {
    throw new RuntimeException(
        "Failed to create EGL context: 0x" + Integer.toHexString(EGL14.eglGetError()));
  }
  return eglContext;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
@Override
public void onSurfaceCreated(GL10 gl, javax.microedition.khronos.egl.EGLConfig config) {
    // Set the background frame color
    GLES20.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);

    // initialize a triangle
    mAxis = new Axis(squareCoords);
    mAxis2 = new Axis(squareCoords2);

    mLine = new Line(new PointVector(0.0f, 0.0f, -0.5f), new PointVector(0.0f, 0.0f, 0.5f), color);

    firstQuadrant = new ImportModel(new FirstQuadrantModel());
    secondQuadrant = new ImportModel(new SecondQuadrantModel());
    thirdQuadrant = new ImportModel(new ThirdQuadrantModel());
    fourthQuadrant = new ImportModel(new FourthQuadrantModel());
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
private EGLConfig getConfig(boolean with_depth_buffer) {
    final int[] attribList = {
            EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
            EGL14.EGL_RED_SIZE, 8,
            EGL14.EGL_GREEN_SIZE, 8,
            EGL14.EGL_BLUE_SIZE, 8,
            EGL14.EGL_ALPHA_SIZE, 8,
            //EGL14.EGL_STENCIL_SIZE, 8,
            EGL_RECORDABLE_ANDROID, 1,	// this flag need to recording of MediaCodec
with_depth_buffer ? EGL14.EGL_DEPTH_SIZE : EGL14.EGL_NONE,
with_depth_buffer ? 16 : 0,
            EGL14.EGL_NONE
    };
    final EGLConfig[] configs = new EGLConfig[1];
    final int[] numConfigs = new int[1];
    if (!EGL14.eglChooseConfig(mEglDisplay, attribList, 0, configs, 0, configs.length, numConfigs, 0)) {
    	// XXX it will be better to fallback to RGB565
        Log.w(TAG, "unable to find RGBA8888 / " + " EGLConfig");
        return null;
    }
    return configs[0];
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
public EGLSurface createWindowSurface(EGLDisplay display, EGLConfig config, Object nativeWindow)
{
   EGLSurface result = null;
   try
   {
      result = EGL14.eglCreateWindowSurface(display, config, nativeWindow, s_DEFAULT_SURFACE_ATTRIBS, 0);
   }
   catch (IllegalArgumentException e)
   {
      // This exception indicates that the surface flinger surface
      // is not valid. This can happen if the surface flinger surface has
      // been torn down, but the application has not yet been
      // notified via SurfaceHolder.Callback.surfaceDestroyed.
      // In theory the application should be notified first,
      // but in practice sometimes it is not. See b/4588890
      Log.e(s_TAG, "eglCreateWindowSurface", e);
   }
   return result;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
@Override
public EGLConfig chooseConfig(EGLDisplay display, EGLConfig[] configs)
{
   for (EGLConfig config : configs)
   {
      int d = findConfigAttrib(display, config, EGL14.EGL_DEPTH_SIZE, 0);
      int s = findConfigAttrib(display, config, EGL14.EGL_STENCIL_SIZE, 0);

      if ((d >= depthSize) && (s >= stencilSize))
      {
         int r = findConfigAttrib(display, config, EGL14.EGL_RED_SIZE, 0);
         int g = findConfigAttrib(display, config, EGL14.EGL_GREEN_SIZE, 0);
         int b = findConfigAttrib(display, config, EGL14.EGL_BLUE_SIZE, 0);
         int a = findConfigAttrib(display, config, EGL14.EGL_ALPHA_SIZE, 0);

         if ((r == redSize) && (g == greenSize) && (b == blueSize) && (a == alphaSize))
         {
            return config;
         }
      }
   }
   return null;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
public EGLConfig getConfig(EGLConfigAttrs attrs){
    EGLConfig[] configs = new EGLConfig[1];
    int[] configNum = new int[1];
    EGL14.eglChooseConfig(mEGLDisplay,attrs.build(),0,configs,0,1,configNum,0);
    //选择的过程可能出现多个，也可能一个都没有，这里只用一个
    if(configNum[0]>0){
        if(attrs.isDefault()){
            mEGLConfig=configs[0];
        }
        return configs[0];
    }
    return null;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
public EGLContext createContext(EGLConfig config,EGLContext share,EGLContextAttrs attrs){
    EGLContext context= EGL14.eglCreateContext(mEGLDisplay,config,share,attrs.build(),0);
    if(attrs.isDefault()){
        mEGLContext=context;
    }
    return context;
}
 

import android.opengl.EGLConfig; //导入依赖的package包/类
@SuppressWarnings("unused")
private EGLConfig getConfig(final boolean with_depth_buffer, final boolean isRecordable) {
    final int[] attribList = {
            EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
            EGL14.EGL_RED_SIZE, 8,
            EGL14.EGL_GREEN_SIZE, 8,
            EGL14.EGL_BLUE_SIZE, 8,
            EGL14.EGL_ALPHA_SIZE, 8,
            EGL14.EGL_NONE, EGL14.EGL_NONE,	//EGL14.EGL_STENCIL_SIZE, 8,
            EGL14.EGL_NONE, EGL14.EGL_NONE,	//EGL_RECORDABLE_ANDROID, 1,	// this flag need to recording of MediaCodec
            EGL14.EGL_NONE,	EGL14.EGL_NONE,	//	with_depth_buffer ? EGL14.EGL_DEPTH_SIZE : EGL14.EGL_NONE,
								// with_depth_buffer ? 16 : 0,
            EGL14.EGL_NONE
    };
    int offset = 10;
    if (false) {				// ステンシルバッファ(常時未使用)
    	attribList[offset++] = EGL14.EGL_STENCIL_SIZE;
    	attribList[offset++] = 8;
    }
    if (with_depth_buffer) {	// デプスバッファ
    	attribList[offset++] = EGL14.EGL_DEPTH_SIZE;
    	attribList[offset++] = 16;
    }
    if (isRecordable && (Build.VERSION.SDK_INT >= 18)) {// MediaCodecの入力用Surfaceの場合
    	attribList[offset++] = EGL_RECORDABLE_ANDROID;
    	attribList[offset++] = 1;
    }
    for (int i = attribList.length - 1; i >= offset; i--) {
    	attribList[i] = EGL14.EGL_NONE;
    }
    final EGLConfig[] configs = new EGLConfig[1];
    final int[] numConfigs = new int[1];
    if (!EGL14.eglChooseConfig(mEglDisplay, attribList, 0, configs, 0, configs.length, numConfigs, 0)) {
    	// XXX it will be better to fallback to RGB565
        Log.w(TAG, "unable to find RGBA8888 / " + " EGLConfig");
        return null;
    }
    return configs[0];
}