package com.hw.photomovie.render;

import android.opengl.GLES20;
import com.hw.photomovie.util.MLog;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

/**
 * Created by huangwei on 2018/9/6 0006.
 */
public class GLTextureMovieRender extends GLSurfaceMovieRenderer {

    private static final String TAG = "GLTextureMovieRender";
    protected GLTextureView mGLTextureView;

    public GLTextureMovieRender(GLTextureView glTextureView) {
        mGLTextureView = glTextureView;
        mGLTextureView.setEGLContextClientVersion(2);
        mGLTextureView.setRenderer(new GLTextureView.Renderer() {
            @Override
            public void onSurfaceCreated(GL10 gl, EGLConfig config) {
                //资源起其实已经销毁了，这里只是告知其保存的纹理已经不可用，需要重建
                if (mMovieFilter != null) {
                    mMovieFilter.release();
                }
                if(mCoverSegment!=null){
                    mCoverSegment.release();
                }
                releaseTextures();
                mNeedRelease.set(false);
                mSurfaceCreated = true;
                prepare();
            }

            @Override
            public void onSurfaceChanged(GL10 gl, int width, int height) {
                setViewport(width, height);
            }

            @Override
            public boolean onDrawFrame(GL10 gl) {
                if (mNeedRelease.get()) {
                    mNeedRelease.set(false);
                    releaseGLResources();
                    return false;
                }
                GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
                drawMovieFrame(mElapsedTime);
                return true;
            }

            @Override
            public void onSurfaceDestroyed() {
                mSurfaceCreated = false;
                mNeedRelease.set(false);
            }
        });
        mGLTextureView.setRenderMode(GLTextureView.RENDERMODE_WHEN_DIRTY);
    }

    @Override
    public void drawFrame(int elapsedTime) {
        mElapsedTime = elapsedTime;
        if (mRenderToRecorder) {
            onDrawFrame(null);
            return;
        }
        if (mSurfaceCreated) {
            mGLTextureView.requestRender();
        } else {
            MLog.e(TAG, "Surface not created!");
        }
    }

    @Override
    public void release() {
        mNeedRelease.set(true);
        if (mSurfaceCreated) {
            mGLTextureView.requestRender();
        }
    }
}