| /* |
| * Copyright (C) 2012 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.cts; |
| |
| import java.nio.FloatBuffer; |
| |
| import javax.microedition.khronos.opengles.GL10; |
| |
| import android.opengl.GLES20; |
| import android.opengl.GLSurfaceView; |
| import android.opengl.GLSurfaceView.Renderer; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| public abstract class RendererBase implements GLSurfaceView.Renderer { |
| |
| FloatBuffer floatBuffer; |
| int mProgram; |
| int maPositionHandle; |
| float[] mColorOne = new float[4]; |
| |
| int[] mShaderCount = null; |
| int mError; |
| |
| // child may need to manipulate them directly |
| protected CountDownLatch mLatch; |
| protected boolean mDrawn = false; |
| |
| public RendererBase(CountDownLatch latch) { |
| mLatch = latch; |
| } |
| |
| @Override |
| public void onSurfaceChanged(GL10 gl, int width, int height) { |
| |
| } |
| |
| public int loadShader(int type, String shaderCode) { |
| int shader = GLES20.glCreateShader(type); |
| GLES20.glShaderSource(shader, shaderCode); |
| GLES20.glCompileShader(shader); |
| return shader; |
| } |
| |
| @Override |
| public void onDrawFrame(GL10 gl) { |
| if (mDrawn) { |
| return; |
| } |
| mDrawn = true; |
| doOnDrawFrame(gl); |
| mLatch.countDown(); |
| } |
| |
| /// dummy method to be overridden by child |
| public void doOnDrawFrame(GL10 gl) { |
| } |
| } |