好的，我现在已经在这个opengl渲染上工作了一段时间。但是如果我渲染大背景，我就无法提高帧速率。但主要问题是应用程序在短时间内关闭。
我会感激任何帮助。
我的渲染类：
package opengl.renderer;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.opengl.GLSurfaceView.Renderer;
import android.opengl.GLU;
import android.opengl.GLUtils;
import android.os.Build;
import android.os.SystemClock;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.WindowManager;
public class GlRenderer implements Renderer {
float Scwidth;
float Scheight;
float framecount;
Context context;
public LevelBackVisual square=new LevelBackVisual();
public sprite text;
long starttime;
sprite babytest=null;
float density;
Bitmap image2;
float tempy=0;
// constructor
public GlRenderer(Context context , float screenwidth, float screenheight){
this.Scwidth = screenwidth;
this.Scheight = screenheight;
this.context = context;
}
/* (non-Javadoc)
* @see android.opengl.GLSurfaceView.Renderer#onDrawFrame(javax.microedition.khronos.opengles.GL10)
*/
float xfocus=0;
float yfocus= 0;
@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
//this.text.loadGLTexture(gl, this.context);
// Load the texture for the square
gl.glEnable(GL10.GL_TEXTURE_2D); //Enable Texture Mapping ( NEW )
gl.glShadeModel(GL10.GL_FLAT); //Enable Smooth Shading
//gl.glClearColor(0f, 100.0f, 0.0f, 100f); //Black Background
//gl.glClearDepthf(24f); //Depth Buffer Setup
gl.glEnable(GL10.GL_DEPTH_TEST); //Enables Depth Testing
gl.glDepthFunc(GL10.GL_LEQUAL); //The Type Of Depth Testing To Do
//Really Nice Perspective Calculations
//gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_FASTEST);
// TODO Auto-generated method stub
}
@Override
public void onDrawFrame(GL10 gl) {
// TODO Auto-generated method stub
gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
// Reset the Modelview Matrix
gl.glLoadIdentity();
float version=0;
try{
version= Float.valueOf(Build.VERSION.RELEASE);
}catch(Exception e){}
Log.d("matrics", ""+version);
if (version==1.5){
gl.glTranslatef(xfocus, yfocus, -581);
}else{
gl.glTranslatef(xfocus, yfocus, -966); // move 5 unit INTO the screen
}
// Drawing
//ADDJUST HERE FOR BABYGAME SIZE CORRENCTION // LAS GOOD SETTINGS: gl.glTranslatef(-240.0f, 400f, -966.0f);
// gl.glTranslatef(-2.5f, 4.2f, -10.0f); // move 5 unit INTO the screen
// gl.glTranslatef(xfocus, yfocus, -966f); // move 5 unit INTO the screen
// is the same as moving the camera 5 units away
//square.draw(gl); // Draw the square
/// Move x and y ont both squares
//this.square2.x+=.02f;
//this.square.y+=.01f;
//this.square3.y-=.03f;
square = new LevelBackVisual(1, this.context);
// square3.draw(gl); // Draw the square
// square2.draw(gl); // Draw the square
square.width=this.Scwidth;
square.height=this.Scheight;
xfocus=-square.width/2;
yfocus= (square.height/2);
square.loadGLTexture(gl);
square.draw(gl); // Draw the square
if (this.starttime==0){this.starttime=System.currentTimeMillis();}
framecount++;
String fpstext = ""+this.framecount/((System.currentTimeMillis()-starttime)/1000);
Log.d("fps", "fps: "+fpstext);
Paint paint= new Paint();
paint.setColor(Color.WHITE);
paint.setTextSize(25);
//paint.setAntiAlias(true);
this.image2=Bitmap.createBitmap(128,64, Bitmap.Config.ARGB_8888);
this.image2.eraseColor(Color.TRANSPARENT);
Canvas canvas2= new Canvas(this.image2);
canvas2.drawARGB(50, 0, 0, 0);
//canvas.setViewport(100, 50);
canvas2.drawText(fpstext, 10, 20, paint);
//text= new sprite(image);
//sprite tempsprite=new sprite(image2);
text= new sprite(this.image2);
text.width=120f;
text.height= 64f;
//this.text.loadGLTexture(gl, this.context);
text.loadGLTexture(gl);
text.draw(gl);
this.babytest= new sprite(BitmapFactory.decodeResource(context.getResources(), R.drawable.jimmy) );
this.babytest.y= tempy;
babytest.width=50f;
babytest.height=50f;
babytest.y-=3;
tempy= babytest.y;
babytest.loadGLTexture(gl);
babytest.draw(gl);
}
@Override
public void onSurfaceChanged(GL10 gl, int width, int height) {
// Drawing
//ADDJUST HERE FOR BABYGAME SIZE CORRENCTION // LAS GOOD SETTINGS: gl.glTranslatef(-240.0f, 400f, -966.0f);
// gl.glTranslatef(-2.5f, 4.2f, -10.0f); // move 5 unit INTO the screen
if(height == 0){ //Prevent A Divide By Zero By
height = 1;
}
// gl.glOrthof(width/2, height/2, 480f, 0, 0, 1000);
gl.glViewport(0, 0, width, height); // Reset The Current Viewport
gl.glMatrixMode(GL10.GL_PROJECTION); // Select The Projection Matrix
gl.glLoadIdentity(); // Reset The Modelview Matrix
//Calculate The Aspect Ratio Of The Window
GLU.gluPerspective(gl, 45.0f, (float)width / (float)height, 0.1f, 2000.0f);
//GLU.gluOrtho2D(gl, 0, width, height, 0);
gl.glMatrixMode(GL10.GL_MODELVIEW); // Select The Modelview Matrix
gl.glLoadIdentity(); // Reset The Modelview Matrix
// GLU.gluLookAt(gl, width/2, height/2, -5, 100f, 100f, 0f, 0f, 1.0f, 0.0f);
}
}
我的精灵课程：
package opengl.renderer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import javax.microedition.khronos.opengles.GL10;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
//import android.opengl.GLES10;
import android.opengl.GLUtils;
import android.util.DisplayMetrics;
import javax.microedition.khronos.opengles.GL10;
import javax.microedition.khronos.opengles.GL11Ext;
public class sprite {
float y = 0;
float x = 0;
float xHolder = 0;
float yHolder = 0;
float height = 10;
float width = 10;
int Level = 1;
int rotate;
boolean visible = false;
private FloatBuffer vertexBuffer; // buffer holding the verteces
private FloatBuffer textureBuffer;
private float vertices[];
float[] texture;
public Bitmap bitmap = null;
public sprite(Bitmap image) {
this.bitmap = image;
}
public sprite() {
}
public void update() {
float[] anArray = {
// 0.0f + x, (0.0f +height)+ y, 0.0f, // V1 - first vertex
// (x,y,z)
// // (0.10f+(width)) + x, (0.0f -height) + y, 0.0f, // V2 -
// second vertex
// (0.5f+(width/2)) + x, (0.10f) + y, 0.0f, // V3 - third
// vertex]
0f, 0f - height, 0, // bottom left
0f, 0, 0f, // top left
0f + width, 0f - height, 0f, // bottom right
0f + width, 0f, 0f, // top right
};
vertices = anArray;
float[] texturearray = {
/*
* 0f+x, -0f-height+y, 0, // bottom left 0f+x, 0+y, 0f, // top left
* 0f+width+x, 0f-height+y, 0f, // bottom right
*
* 0f+width+x, 0f+y, 0f, // top right
*/
0.0f, 1.0f, // top left (V2)
0.0f, 0.0f, // bottom left (V1)
1.0f, 1.0f, // top right (V4)
1.0f, 0.0f // bottom right (V3)
};
texture = texturearray;
// a float has 4 bytes so we allocate for each coordinate 4 bytes
ByteBuffer vertexByteBuffer = ByteBuffer
.allocateDirect(vertices.length * 4);
vertexByteBuffer.order(ByteOrder.nativeOrder());
// allocates the memory from the byte buffer
vertexBuffer = vertexByteBuffer.asFloatBuffer();
// fill the vertexBuffer with the vertices
vertexBuffer.put(vertices);
// set the cursor position to the beginning to the buffer
vertexBuffer.position(0);
vertexByteBuffer = ByteBuffer.allocateDirect(texture.length * 4);
vertexByteBuffer.order(ByteOrder.nativeOrder());
textureBuffer = vertexByteBuffer.asFloatBuffer();
textureBuffer.put(texture);
textureBuffer.position(0);
textureBuffer.clear();
vertexByteBuffer.clear();
vertexBuffer.clear();
}
public void draw(GL10 gl) {
gl.glTranslatef(x, y, 0);
// this.loadGLTexture(gl, context);
// Update variables and position
update();
gl.glEnable(GL10.GL_BLEND);
// gl.glBlendFunc(GLES10.GL_ONE, GLES10.GL_ONE);
gl.glBlendFunc(GL10.GL_ONE, GL10.GL_ONE_MINUS_SRC_ALPHA);
// Set the face rotation
// gl.glFrontFace(GL10.GL_CW);
// Point to our vertex buffer
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vertexBuffer);
gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, textureBuffer);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T,
GL10.GL_CLAMP_TO_EDGE);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
// Draw the vertices as triangle strip
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, vertices.length / 3);
// Disable the client state before leaving
gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);
gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
x = xHolder;
y = yHolder;
textureBuffer.clear();
vertexBuffer.clear();
}
/** The texture pointer */
private int[] textures = new int[1];
// private Bitmap[] backimagesec =new Bitmap[5];
int bacSecCount = 0;
public void loadGLTexture(GL10 gl) {
// gl.glDeleteTextures(1, textures, 0);
// loading texture
// generate one texture pointer
gl.glGenTextures(1, textures, 0);
// ...and bind it to our array
gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]);
// create nearest filtered texture
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,
GL10.GL_LINEAR);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER,
GL10.GL_LINEAR);
// gl.glEnable(GL10.GL_ALPHA_BITS);
// draw...
// gl.glDisable(GL10.GL_ALPHA_BITS);
// gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE,
// /*GL10.GL_REPLACE*/ GL10.GL_MODULATE);
// Use Android GLUtils to specify a two-dimensional texture image from
// our bitmap
GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, this.bitmap, 0);
// Clean up
bitmap.recycle();
}
}
我的LevelBackVisual：
package opengl.renderer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import javax.microedition.khronos.opengles.GL10;
import javax.microedition.khronos.opengles.GL11;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.opengl.GLUtils;
import android.util.DisplayMetrics;
public class LevelBackVisual {
float x = 0;
float y = 0;
float height = 10;
float width = 10;
int Level = 1;
int rotate;
boolean visible = false;
private FloatBuffer vertexBuffer; // buffer holding the verteces
private FloatBuffer textureBuffer;
private float vertices[];
float[] texture;
sprite Sprite;
boolean spriteset=false;
public LevelBackVisual(){}
public LevelBackVisual(int level, Context context) {
if (!spriteset){
Bitmap bitmap=null;
this.Level = level;
// this updates the triangle
switch (this.Level) {
case 1:
bitmap = BitmapFactory.decodeResource(context.getResources(),
R.drawable.backlevel1animation0001);
break;
case 2:
break;
default:
bitmap = BitmapFactory.decodeResource(context.getResources(),
R.drawable.backgroundlevel_1);
break;
}
Bitmap bitmaptemp;
//bitmaptemp.eraseColor(Color.TRANSPARENT);
bitmaptemp = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(bitmaptemp);
canvas.drawBitmap(bitmap, 0, 0, null);
this.Sprite = new sprite(bitmaptemp);
//bitmaptemp.recycle();
bitmap.recycle();
this.spriteset=true;
}
}
public void draw(GL10 gl) {
Sprite.width =this.width;
Sprite.height = this.height;
Sprite.x = this.x;
Sprite.y = this.y;
Sprite.draw(gl);
}
/** The texture pointer */
public void loadGLTexture(GL10 gl) {
Sprite.loadGLTexture(gl);
}
}
答案 0 :(得分：0)
如果它在短时间后关闭，可能是你的内存不足。检查你的onDrawFrame（）方法。你似乎在它里面一次又一次地创建某些对象（精灵等）。