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-rw-r--r--opengl/java/android/opengl/GLDebugHelper.java107
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diff --git a/opengl/java/android/opengl/GLDebugHelper.java b/opengl/java/android/opengl/GLDebugHelper.java
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--- a/opengl/java/android/opengl/GLDebugHelper.java
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-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.opengl;
-
-import java.io.Writer;
-
-import javax.microedition.khronos.egl.EGL;
-import javax.microedition.khronos.opengles.GL;
-
-/**
- * A helper class for debugging OpenGL ES applications.
- *
- * Wraps the supplied GL interface with a new GL interface that adds support for
- * error checking and logging.
- *
- */
-public class GLDebugHelper {
-
- /**
- * Wrap an existing GL interface in a new GL interface that adds support for
- * error checking and/or logging.
- * <p>
- * Wrapping means that the GL instance that is passed in to this method is
- * wrapped inside a new GL instance that optionally performs additional
- * operations before and after calling the wrapped GL instance.
- * <p>
- * Error checking means that the wrapper will automatically call
- * glError after each GL operation,
- * and throw a GLException if an error occurs. (By design, calling glError
- * itself will not cause an exception to be thrown.) Enabling error checking
- * is an alternative to manually calling glError after every GL operation.
- * <p>
- * Logging means writing a text representation of each GL method call to
- * a log.
- * <p>
- * @param gl the existing GL interface. Must implement GL and GL10. May
- * optionally implement GL11 as well.
- * @param configFlags A bitmask of error checking flags.
- * @param log - null to disable logging, non-null to enable logging.
- * @return the wrapped GL instance.
- */
-
- /**
- * Check glError() after every call.
- */
- public static final int CONFIG_CHECK_GL_ERROR = (1 << 0);
-
- /**
- * Check if all calls are on the same thread.
- */
- public static final int CONFIG_CHECK_THREAD = (1 << 1);
-
- /**
- * Print argument names when logging GL Calls.
- */
- public static final int CONFIG_LOG_ARGUMENT_NAMES = (1 << 2);
-
- /**
- * The Error number used in the GLException that is thrown if
- * CONFIG_CHECK_THREAD is enabled and you call OpenGL ES on the
- * a different thread.
- */
- public static final int ERROR_WRONG_THREAD = 0x7000;
-
- public static GL wrap(GL gl, int configFlags, Writer log) {
- if ( configFlags != 0 ) {
- gl = new GLErrorWrapper(gl, configFlags);
- }
- if ( log != null ) {
- boolean logArgumentNames =
- (CONFIG_LOG_ARGUMENT_NAMES & configFlags) != 0;
- gl = new GLLogWrapper(gl, log, logArgumentNames);
- }
- return gl;
- }
-
- /**
- * Wrap an existing EGL interface in a new EGL interface that adds
- * support for error checking and/or logging.
- * @param egl the existing GL interface. Must implement EGL and EGL10. May
- * optionally implement EGL11 as well.
- * @param configFlags A bitmask of error checking flags.
- * @param log - null to disable logging, non-null to enable logging.
- * @return the wrapped EGL interface.
- */
- public static EGL wrap(EGL egl, int configFlags, Writer log) {
- if (log != null) {
- egl = new EGLLogWrapper(egl, configFlags, log);
- }
- return egl;
- }
-}
-