第二十六节 单Surface渲染多个纹理（有闪烁效果）

在上节的基础上做修改


image.png

看下代码：

package com.ywl5320.openglesegl;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.opengl.GLES20;
import android.opengl.GLUtils;
import android.opengl.Matrix;
import android.util.Log;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;

public class WlTextureRender implements WLEGLSurfaceView.WlGLRender{

    private Context context;


    private float[] vertexData = {
            -1f, -1f,
            1f, -1f,
            -1f, 1f,
            1f, 1f,

            -0.5f, -0.5f,
            0.5f, -0.5f,
            -0.5f, 0.5f,
            0.5f, 0.5f
    };
    private FloatBuffer vertexBuffer;

    private float[] fragmentData = {
//            0f, 0f,
//            1f, 0f,
//            0f, 1f,
//            1f, 1f
            0f, 1f,
            1f, 1f,
            0f, 0f,
            1f, 0f
    };
    private FloatBuffer fragmentBuffer;

    private int program;
    private int vPosition;
    private int fPosition;
    private int textureid;
    private int sampler;

    private int vboId;
    private int fboId;

    private int imgTextureId;
    private int imgTextureId2;

    private FboRender fboRender;

    private int umatrix;
    private float[] mProjectMatrix = new float[16];
    private float[] mProjectMatrix2 = new float[16];

    private OnRenderCreateListener onRenderCreateListener;

    private int width;
    private int height;


    public WlTextureRender(Context context) {
        this.context = context;
        fboRender = new FboRender(context);
        vertexBuffer = ByteBuffer.allocateDirect(vertexData.length * 4)
                .order(ByteOrder.nativeOrder())
                .asFloatBuffer()
                .put(vertexData);
        vertexBuffer.position(0);

        fragmentBuffer = ByteBuffer.allocateDirect(fragmentData.length * 4)
                .order(ByteOrder.nativeOrder())
                .asFloatBuffer()
                .put(fragmentData);
        fragmentBuffer.position(0);

    }

    public void setOnRenderCreateListener(OnRenderCreateListener onRenderCreateListener) {
        this.onRenderCreateListener = onRenderCreateListener;
    }

    @Override
    public void onSurfaceCreated() {

        fboRender.onCreate();
        String vertexSource = WlShaderUtil.getRawResource(context, R.raw.vertex_shader_m);
        String fragmentSource = WlShaderUtil.getRawResource(context, R.raw.fragment_shader);

        program = WlShaderUtil.createProgram(vertexSource, fragmentSource);

        vPosition = GLES20.glGetAttribLocation(program, "v_Position");
        fPosition = GLES20.glGetAttribLocation(program, "f_Position");
        sampler = GLES20.glGetUniformLocation(program, "sTexture");
        umatrix = GLES20.glGetUniformLocation(program, "u_Matrix");


        int [] vbos = new int[1];
        GLES20.glGenBuffers(1, vbos, 0);
        vboId = vbos[0];

        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vboId);
        GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, vertexData.length * 4 + fragmentData.length * 4, null, GLES20. GL_STATIC_DRAW);
        GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, 0, vertexData.length * 4, vertexBuffer);
        GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, vertexData.length * 4, fragmentData.length * 4, fragmentBuffer);
        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);




        int []textureIds = new int[1];
        GLES20.glGenTextures(1, textureIds, 0);
        textureid = textureIds[0];

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureid);

        GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
        GLES20.glUniform1i(sampler, 0);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);



        if(onRenderCreateListener != null)
        {
            onRenderCreateListener.onCreate(textureid);
        }

    }

    @Override
    public void onSurfaceChanged(int width, int height) {
        this.width = width;
        this.height = height;

        //fbo  我们将这部分代码移动到这儿，目的是为了使用width和height，width和height是该控件的宽高，并不一定是屏幕宽高
        int[] fbos = new int[1];
        GLES20.glGenBuffers(1, fbos, 0);
        fboId = fbos[0];
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboId);

        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, textureid, 0);
        if(GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER) != GLES20.GL_FRAMEBUFFER_COMPLETE)
        {
            Log.e("ywl5320", "fbo wrong");
        }
        else
        {
            Log.e("ywl5320", "fbo success");
        }

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);

        //这个要放到fbo之后
        imgTextureId = loadTexrute(R.drawable.androids);
        imgTextureId2 = loadTexrute2(R.drawable.abc);





        GLES20.glViewport(0, 0, width, height);
        fboRender.onChange(width, height);

        int w=bitmap.getWidth();
        int h=bitmap.getHeight();
        //bitmap不再使用了
        bitmap.recycle();
        bitmap = null;
        float sWH=w/(float)h;
        float sWidthHeight=width/(float)height;
        if(width>height){
            if(sWH>sWidthHeight){
                Matrix.orthoM(mProjectMatrix, 0, -sWidthHeight*sWH,sWidthHeight*sWH, -1,1, 3, 7);
            }else{
                Matrix.orthoM(mProjectMatrix, 0, -sWidthHeight/sWH,sWidthHeight/sWH, -1,1, 3, 7);
            }
        }else{
            if(sWH>sWidthHeight){
                Matrix.orthoM(mProjectMatrix, 0, -1, 1, -1/sWidthHeight*sWH, 1/sWidthHeight*sWH,3, 7);
            }else{
                Matrix.orthoM(mProjectMatrix, 0, -1, 1, -sWH/sWidthHeight, sWH/sWidthHeight,3, 7);
            }
        }

        Matrix.rotateM(mProjectMatrix, 0, 180, 1, 0, 0);
//        Matrix.rotateM(mProjectMatrix, 0, 180, 0, 0, 1);

    }

    private Bitmap bitmap;

    @Override
    public void onDrawFrame() {

        GLES20.glViewport(0, 0, width, height);
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboId);
        GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
        GLES20.glClearColor(1f,0f, 0f, 1f);

        GLES20.glUseProgram(program);
        GLES20.glUniformMatrix4fv(umatrix, 1, false, mProjectMatrix, 0);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, imgTextureId);


        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vboId);

        GLES20.glEnableVertexAttribArray(vPosition);
        GLES20.glVertexAttribPointer(vPosition, 2, GLES20.GL_FLOAT, false, 8,
                0);

        GLES20.glEnableVertexAttribArray(fPosition);
        GLES20.glVertexAttribPointer(fPosition, 2, GLES20.GL_FLOAT, false, 8,
                vertexData.length * 4);

        GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);



        //绘制第二个纹理
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, imgTextureId2);

        GLES20.glEnableVertexAttribArray(vPosition);
        GLES20.glVertexAttribPointer(vPosition, 2, GLES20.GL_FLOAT, false, 8,
                32);

        GLES20.glEnableVertexAttribArray(fPosition);
        GLES20.glVertexAttribPointer(fPosition, 2, GLES20.GL_FLOAT, false, 8,
                vertexData.length * 4);

        GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);





        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);

        GLES20.glViewport(0, 0, width, height);
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
        fboRender.onDraw(textureid);






    }


    private int loadTexrute(int src)
    {
        int []textureIds = new int[1];
        GLES20.glGenTextures(1, textureIds, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureIds[0]);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

        bitmap = BitmapFactory.decodeResource(context.getResources(), src);
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        return  textureIds[0];

    }

    private int loadTexrute2(int src)
    {
        int []textureIds = new int[1];
        GLES20.glGenTextures(1, textureIds, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureIds[0]);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

        Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), src);
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        return  textureIds[0];

    }

    public interface OnRenderCreateListener
    {
        void onCreate(int textid);
    }


}

运行结果：


image.png

修改：

package com.ywl5320.openglesegl;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.opengl.GLES20;
import android.opengl.GLUtils;
import android.opengl.Matrix;
import android.util.Log;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;

public class WlTextureRender implements WLEGLSurfaceView.WlGLRender{

    private Context context;


    private float[] vertexData = {
            -1f, -1f,
            1f, -1f,
            -1f, 1f,
            1f, 1f,

            -0.5f, -0.5f,
            0.5f, -0.5f,
            -0.5f, 0.5f,
            0.5f, 0.5f
    };
    private FloatBuffer vertexBuffer;

    private float[] fragmentData = {
//            0f, 0f,
//            1f, 0f,
//            0f, 1f,
//            1f, 1f
            0f, 1f,
            1f, 1f,
            0f, 0f,
            1f, 0f
    };
    private FloatBuffer fragmentBuffer;

    private int program;
    private int vPosition;
    private int fPosition;
    private int textureid;
    private int sampler;

    private int vboId;
    private int fboId;

    private int imgTextureId;
    private int imgTextureId2;

    private FboRender fboRender;

    private int umatrix;
    private float[] mProjectMatrix = new float[16];
    private float[] mProjectMatrix2 = new float[16];

    private OnRenderCreateListener onRenderCreateListener;

    private int width;
    private int height;


    public WlTextureRender(Context context) {
        this.context = context;
        fboRender = new FboRender(context);
        vertexBuffer = ByteBuffer.allocateDirect(vertexData.length * 4)
                .order(ByteOrder.nativeOrder())
                .asFloatBuffer()
                .put(vertexData);
        vertexBuffer.position(0);

        fragmentBuffer = ByteBuffer.allocateDirect(fragmentData.length * 4)
                .order(ByteOrder.nativeOrder())
                .asFloatBuffer()
                .put(fragmentData);
        fragmentBuffer.position(0);

    }

    public void setOnRenderCreateListener(OnRenderCreateListener onRenderCreateListener) {
        this.onRenderCreateListener = onRenderCreateListener;
    }

    @Override
    public void onSurfaceCreated() {

        fboRender.onCreate();
        String vertexSource = WlShaderUtil.getRawResource(context, R.raw.vertex_shader_m);
        String fragmentSource = WlShaderUtil.getRawResource(context, R.raw.fragment_shader);

        program = WlShaderUtil.createProgram(vertexSource, fragmentSource);

        vPosition = GLES20.glGetAttribLocation(program, "v_Position");
        fPosition = GLES20.glGetAttribLocation(program, "f_Position");
        sampler = GLES20.glGetUniformLocation(program, "sTexture");
        umatrix = GLES20.glGetUniformLocation(program, "u_Matrix");


        int [] vbos = new int[1];
        GLES20.glGenBuffers(1, vbos, 0);
        vboId = vbos[0];

        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vboId);
        GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, vertexData.length * 4 + fragmentData.length * 4, null, GLES20. GL_STATIC_DRAW);
        GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, 0, vertexData.length * 4, vertexBuffer);
        GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, vertexData.length * 4, fragmentData.length * 4, fragmentBuffer);
        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);




        int []textureIds = new int[1];
        GLES20.glGenTextures(1, textureIds, 0);
        textureid = textureIds[0];

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureid);

        GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
        GLES20.glUniform1i(sampler, 0);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);



        if(onRenderCreateListener != null)
        {
            onRenderCreateListener.onCreate(textureid);
        }

    }

    @Override
    public void onSurfaceChanged(int width, int height) {
        this.width = width;
        this.height = height;

        //fbo  我们将这部分代码移动到这儿，目的是为了使用width和height，width和height是该控件的宽高，并不一定是屏幕宽高
        int[] fbos = new int[1];
        GLES20.glGenBuffers(1, fbos, 0);
        fboId = fbos[0];
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboId);

        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, textureid, 0);
        if(GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER) != GLES20.GL_FRAMEBUFFER_COMPLETE)
        {
            Log.e("ywl5320", "fbo wrong");
        }
        else
        {
            Log.e("ywl5320", "fbo success");
        }

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);

        //这个要放到fbo之后
        imgTextureId = loadTexrute(R.drawable.androids);
        imgTextureId2 = loadTexrute2(R.drawable.abc);





        GLES20.glViewport(0, 0, width, height);
        fboRender.onChange(width, height);

        int w=bitmap.getWidth();
        int h=bitmap.getHeight();
        //bitmap不再使用了
        bitmap.recycle();
        bitmap = null;
        float sWH=w/(float)h;
        float sWidthHeight=width/(float)height;
        if(width>height){
            if(sWH>sWidthHeight){
                Matrix.orthoM(mProjectMatrix, 0, -sWidthHeight*sWH,sWidthHeight*sWH, -1,1, 3, 7);
            }else{
                Matrix.orthoM(mProjectMatrix, 0, -sWidthHeight/sWH,sWidthHeight/sWH, -1,1, 3, 7);
            }
        }else{
            if(sWH>sWidthHeight){
                Matrix.orthoM(mProjectMatrix, 0, -1, 1, -1/sWidthHeight*sWH, 1/sWidthHeight*sWH,3, 7);
            }else{
                Matrix.orthoM(mProjectMatrix, 0, -1, 1, -sWH/sWidthHeight, sWH/sWidthHeight,3, 7);
            }
        }

        Matrix.rotateM(mProjectMatrix, 0, 180, 1, 0, 0);
//        Matrix.rotateM(mProjectMatrix, 0, 180, 0, 0, 1);




        int w2=bitmap2.getWidth();
        int h2=bitmap2.getHeight();
        //bitmap不再使用了
        bitmap2.recycle();
        bitmap2 = null;
        float sWH2=w2/(float)h2;
        float sWidthHeight2=width/(float)height;
        if(width>height){
            if(sWH2>sWidthHeight2){
                Matrix.orthoM(mProjectMatrix2, 0, -sWidthHeight2*sWH2,sWidthHeight2*sWH2, -1,1, 3, 7);
            }else{
                Matrix.orthoM(mProjectMatrix2, 0, -sWidthHeight2/sWH2,sWidthHeight2/sWH2, -1,1, 3, 7);
            }
        }else{
            if(sWH2>sWidthHeight2){
                Matrix.orthoM(mProjectMatrix2, 0, -1, 1, -1/sWidthHeight2*sWH2, 1/sWidthHeight2*sWH2,3, 7);
            }else{
                Matrix.orthoM(mProjectMatrix2, 0, -1, 1, -sWH2/sWidthHeight2, sWH2/sWidthHeight2,3, 7);
            }
        }

        Matrix.rotateM(mProjectMatrix2, 0, 180, 1, 0, 0);

    }

    private Bitmap bitmap;
    private Bitmap bitmap2;

    @Override
    public void onDrawFrame() {

        GLES20.glViewport(0, 0, width, height);
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboId);
        GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
        GLES20.glClearColor(1f,0f, 0f, 1f);

        GLES20.glUseProgram(program);
        GLES20.glUniformMatrix4fv(umatrix, 1, false, mProjectMatrix, 0);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, imgTextureId);


        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vboId);

        GLES20.glEnableVertexAttribArray(vPosition);
        GLES20.glVertexAttribPointer(vPosition, 2, GLES20.GL_FLOAT, false, 8,
                0);

        GLES20.glEnableVertexAttribArray(fPosition);
        GLES20.glVertexAttribPointer(fPosition, 2, GLES20.GL_FLOAT, false, 8,
                vertexData.length * 4);

        GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);



        GLES20.glUniformMatrix4fv(umatrix, 1, false, mProjectMatrix2, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, imgTextureId2);

        GLES20.glEnableVertexAttribArray(vPosition);
        //注意这儿的offset
        GLES20.glVertexAttribPointer(vPosition, 2, GLES20.GL_FLOAT, false, 8,
                32);

        GLES20.glEnableVertexAttribArray(fPosition);
        GLES20.glVertexAttribPointer(fPosition, 2, GLES20.GL_FLOAT, false, 8,
                vertexData.length * 4);

        GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);





        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);

        GLES20.glViewport(0, 0, width, height);
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
        fboRender.onDraw(textureid);






    }


    private int loadTexrute(int src)
    {
        int []textureIds = new int[1];
        GLES20.glGenTextures(1, textureIds, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureIds[0]);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

        bitmap = BitmapFactory.decodeResource(context.getResources(), src);
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        return  textureIds[0];

    }

    private int loadTexrute2(int src)
    {
        int []textureIds = new int[1];
        GLES20.glGenTextures(1, textureIds, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureIds[0]);

        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

        bitmap2 = BitmapFactory.decodeResource(context.getResources(), src);
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap2, 0);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
        return  textureIds[0];

    }

    public interface OnRenderCreateListener
    {
        void onCreate(int textid);
    }


}

运行结果：


image.png

貌似运行的时候有闪烁效果，先放下后面想办法解决

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