下面列出了怎么用javax.microedition.khronos.egl.EGL11的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {
int renderableType = 4;
// The actual surface is generally RGBA or RGBX, so situationally omitting alpha
// doesn't really help. It can also lead to a huge performance hit on glReadPixels()
// when reading into a GL_RGBA buffer.
int[] attribList = {
EGL11.EGL_RED_SIZE, 8,
EGL11.EGL_GREEN_SIZE, 8,
EGL11.EGL_BLUE_SIZE, 8,
EGL11.EGL_ALPHA_SIZE, 8,
//EGL11.EGL_DEPTH_SIZE, 16,
//EGL11.EGL_STENCIL_SIZE, 8,
EGL11.EGL_RENDERABLE_TYPE, renderableType,
EGL_RECORDABLE_ANDROID, 1, // set recordable [@-3]
EGL11.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!egl.eglChooseConfig(display, attribList, configs, configs.length,
numConfigs)) {
return null;
}
return configs[0];
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid=" + Thread.currentThread().getId());
break;
case EGL10.EGL_BAD_SURFACE:
Log.e("EglHelper", "eglSwapBuffers returned EGL_BAD_SURFACE. tid=" + Thread.currentThread().getId());
return false;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
public static String getErrorString(int error) {
switch (error) {
case EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
case EGL11.EGL_CONTEXT_LOST:
return "EGL_CONTEXT_LOST";
default:
return getHex(error);
}
}
static String eglGetErrorString(int error) {
switch (error) {
case EGL11.EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL11.EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL11.EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL11.EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL11.EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL11.EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL11.EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL11.EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL11.EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL11.EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL11.EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL11.EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL11.EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL11.EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
case EGL11.EGL_CONTEXT_LOST:
return "EGL_CONTEXT_LOST";
default:
return "0x" + Integer.toHexString(error);
}
}
static String eglGetErrorString(int error) {
switch (error) {
case EGL11.EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL11.EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL11.EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL11.EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL11.EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL11.EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL11.EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL11.EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL11.EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL11.EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL11.EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL11.EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL11.EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL11.EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
case EGL11.EGL_CONTEXT_LOST:
return "EGL_CONTEXT_LOST";
default:
return "0x" + Integer.toHexString(error);
}
}
public static String getErrorString(int error) {
switch (error) {
case EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
case EGL11.EGL_CONTEXT_LOST:
return "EGL_CONTEXT_LOST";
default:
return getHex(error);
}
}
/**
* Display the current render surface.
*
* @return false if the context has been lost.
*/
public boolean swap() {
if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
/*
* Check for EGL_CONTEXT_LOST, which means the context and all
* associated data were lost (For instance because the device
* went to sleep). We need to sleep until we get a new surface.
*/
int error = mEgl.eglGetError();
switch (error) {
case EGL11.EGL_CONTEXT_LOST:
return false;
case EGL10.EGL_BAD_NATIVE_WINDOW:
// The native window is bad, probably because the
// window manager has closed it. Ignore this error,
// on the expectation that the application will be
// closed soon.
Log.e("EglHelper",
"eglSwapBuffers returned EGL_BAD_NATIVE_WINDOW. tid="
+ Thread.currentThread().getId());
break;
default:
throwEglException("eglSwapBuffers", error);
}
}
return true;
}
/**
* Checks for an EGL error and throws a {@link RendererException} if there
* is one. Ignores the value of {@link RendererUtil#ENABLE_ERROR_CHECKING}.
*/
public static void checkEGLError(EGL10 egl) {
int error = egl.eglGetError();
if (error != EGL10.EGL_SUCCESS) {
String errorMessage;
switch (error) {
case EGL10.EGL_SUCCESS:
return;
case EGL10.EGL_NOT_INITIALIZED:
errorMessage = "EGL is not initialized, or could not be "
+ "initialized, for the specified EGL display connection. ";
break;
case EGL10.EGL_BAD_ACCESS:
errorMessage = "EGL cannot access a requested resource "
+ "(for example a context is bound in another thread). ";
break;
case EGL10.EGL_BAD_ALLOC:
errorMessage = "EGL failed to allocate resources for the requested operation.";
break;
case EGL10.EGL_BAD_ATTRIBUTE:
errorMessage = "An unrecognized attribute or attribute "
+ "value was passed in the attribute list. ";
break;
case EGL10.EGL_BAD_CONTEXT:
errorMessage = "An EGLContext argument does not name a valid EGL rendering context. ";
break;
case EGL10.EGL_BAD_CONFIG:
errorMessage = "An EGLConfig argument does not name a valid EGL frame buffer configuration. ";
break;
case EGL10.EGL_BAD_CURRENT_SURFACE:
errorMessage = "The current surface of the calling thread "
+ "is a window, pixel buffer or pixmap that is no longer valid. ";
break;
case EGL10.EGL_BAD_DISPLAY:
errorMessage = "An EGLDisplay argument does not name a valid EGL display connection. ";
break;
case EGL10.EGL_BAD_SURFACE:
errorMessage = "An EGLSurface argument does not name a "
+ "valid surface (window, pixel buffer or pixmap) configured for GL rendering. ";
break;
case EGL10.EGL_BAD_MATCH:
errorMessage = "Arguments are inconsistent (for example, a "
+ "valid context requires buffers not supplied by a valid surface). ";
break;
case EGL10.EGL_BAD_PARAMETER:
errorMessage = "One or more argument values are invalid.";
break;
case EGL10.EGL_BAD_NATIVE_PIXMAP:
errorMessage = "A NativePixmapType argument does not refer to a valid native pixmap. ";
break;
case EGL10.EGL_BAD_NATIVE_WINDOW:
errorMessage = "A NativeWindowType argument does not refer to a valid native window. ";
break;
case EGL11.EGL_CONTEXT_LOST:
errorMessage = "A power management event has occurred. "
+ "The application must destroy all contexts and reinitialise "
+ "OpenGL ES state and objects to continue rendering. ";
break;
default:
errorMessage = "Unknown";
}
throw new RendererException("EGL error 0x" + Integer.toHexString(error) + ": " + errorMessage);
}
}