मुझे नहीं पता कि आपने अपनी समस्या का समाधान किया है या नहीं।
मैंने आपके कोड का उपयोग किया और मैंने इस मोड में हल किया।
public class MyRenderer implements Renderer{
public static final int recWidth = Costanti.recWidth;
public static final int recHeight = Costanti.recHeight;
private static final int U_INDEX = recWidth*recHeight;
private static final int V_INDEX = recWidth*recHeight*5/4;
private static final int LENGTH = recWidth*recHeight;
private static final int LENGTH_4 = recWidth*recHeight/4;
private int previewFrameWidth = 256;
private int previewFrameHeight = 256;
private int[] yTextureNames;
private int[] uTextureNames;
private int[] vTextureNames;
private MainActivity activity;
private FloatBuffer mVertices;
private ShortBuffer mIndices;
private int mProgramObject;
private int mPositionLoc;
private int mTexCoordLoc;
private int yTexture;
private int uTexture;
private int vTexture;
private final float[] mVerticesData = { -1.f, 1.f, 0.0f, // Position 0
0.0f, 0.0f, // TexCoord 0
-1.f, -1.f, 0.0f, // Position 1
0.0f, 1.0f, // TexCoord 1
1.f, -1.f, 0.0f, // Position 2
1.0f, 1.0f, // TexCoord 2
1.f, 1.f, 0.0f, // Position 3
1.0f, 0.0f // TexCoord 3
};
private final short[] mIndicesData = { 0, 1, 2, 0, 2, 3 };
private ByteBuffer yBuffer;
private ByteBuffer uBuffer;
private ByteBuffer vBuffer;
private IntBuffer frameBuffer;
private IntBuffer renderBuffer;
private IntBuffer parameterBufferWidth;
private IntBuffer parameterBufferHeigth;
byte[] ydata = new byte[LENGTH];
byte[] uData = new byte[LENGTH_4];
byte[] vData = new byte[LENGTH_4];
public MyRenderer(MainActivity activity) {
this.activity = activity;
mVertices = ByteBuffer.allocateDirect(mVerticesData.length * 4)
.order(ByteOrder.nativeOrder()).asFloatBuffer();
mVertices.put(mVerticesData).position(0);
mIndices = ByteBuffer.allocateDirect(mIndicesData.length * 2)
.order(ByteOrder.nativeOrder()).asShortBuffer();
mIndices.put(mIndicesData).position(0);
yBuffer = MyGraphUtils.makeByteBuffer(LENGTH);
uBuffer = MyGraphUtils.makeByteBuffer(LENGTH_4/* * 2*/);
vBuffer = MyGraphUtils.makeByteBuffer(LENGTH_4);
}
@Override
public void onSurfaceChanged(GL10 gl, int width, int height) {
GLES20.glActiveTexture(GLES20.GL_ACTIVE_TEXTURE);
GLES20.glViewport(0, 0, width, height);
}
@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
Log.d("debug", "on surface created");
// Define a simple shader program for our point.
final String vShaderStr = readTextFileFromRawResource(activity, R.raw.v_simple);
final String fShaderStr = readTextFileFromRawResource(activity, R.raw.f_convert);
frameBuffer = IntBuffer.allocate(1);
renderBuffer= IntBuffer.allocate(1);
GLES20.glEnable(GLES20.GL_TEXTURE_2D);
GLES20.glGenFramebuffers(1, frameBuffer);
GLES20.glGenRenderbuffers(1, renderBuffer);
GLES20.glActiveTexture(GLES20.GL_ACTIVE_TEXTURE);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBuffer.get(0));
GLES20.glClear(0);
GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, renderBuffer.get(0));
GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16,
320, 240);
parameterBufferHeigth = IntBuffer.allocate(1);
parameterBufferWidth = IntBuffer.allocate(1);
GLES20.glGetRenderbufferParameteriv(GLES20.GL_RENDERBUFFER, GLES20.GL_RENDERBUFFER_WIDTH, parameterBufferWidth);
GLES20.glGetRenderbufferParameteriv(GLES20.GL_RENDERBUFFER, GLES20.GL_RENDERBUFFER_HEIGHT, parameterBufferHeigth);
GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_RENDERBUFFER, renderBuffer.get(0));
if (GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER)!=GLES20.GL_FRAMEBUFFER_COMPLETE){
Log.d("debug", "gl frame buffer status != frame buffer complete");
}
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
GLES20.glClear(0);
mProgramObject = loadProgram(vShaderStr, fShaderStr);
// Get the attribute locations
mPositionLoc = GLES20.glGetAttribLocation(mProgramObject, "a_position");
mTexCoordLoc = GLES20.glGetAttribLocation(mProgramObject, "a_texCoord");
GLES20.glEnable(GLES20.GL_TEXTURE_2D);
yTexture = GLES20.glGetUniformLocation(mProgramObject, "y_texture");
yTextureNames = new int[1];
GLES20.glGenTextures(1, yTextureNames, 0);
int yTextureName = yTextureNames[0];
GLES20.glEnable(GLES20.GL_TEXTURE_2D);
uTexture = GLES20.glGetUniformLocation(mProgramObject, "u_texture");
uTextureNames = new int[1];
GLES20.glGenTextures(1, uTextureNames, 0);
int uTextureName = uTextureNames[0];
GLES20.glEnable(GLES20.GL_TEXTURE_2D);
vTexture = GLES20.glGetUniformLocation(mProgramObject, "v_texture");
vTextureNames = new int[1];
GLES20.glGenTextures(1, vTextureNames, 0);
int vTextureName = vTextureNames[0];
GLES20.glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
}
@Override
public final void onDrawFrame(GL10 gl) {
Log.d("debug", "on Draw frame");
// Clear the color buffer
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
// Use the program object
GLES20.glUseProgram(mProgramObject);
// Load the vertex position
mVertices.position(0);
GLES20.glVertexAttribPointer(mPositionLoc, 3, GLES20.GL_FLOAT, false, 5*4, mVertices);
// Load the texture coordinate
mVertices.position(3);
GLES20.glVertexAttribPointer(mTexCoordLoc, 2, GLES20.GL_FLOAT, false, 5*4, mVertices);
GLES20.glEnableVertexAttribArray(mPositionLoc);
GLES20.glEnableVertexAttribArray(mTexCoordLoc);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, yTextureNames[0]);
GLES20.glTexImage2D( GLES20.GL_TEXTURE_2D, 0, GLES20.GL_LUMINANCE,
320, 240, 0, GLES20.GL_LUMINANCE, GLES20.GL_UNSIGNED_BYTE, yBuffer);
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);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glActiveTexture(GLES20.GL_TEXTURE1);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, yTextureNames[0]);
GLES20.glUniform1i(yTexture, 0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, uTextureNames[0]);
GLES20.glTexImage2D( GLES20.GL_TEXTURE_2D, 0, GLES20.GL_LUMINANCE,
160, 120, 0, GLES20.GL_LUMINANCE, GLES20.GL_UNSIGNED_BYTE, uBuffer);
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);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glActiveTexture(GLES20.GL_TEXTURE1+2);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, uTextureNames[0]);
GLES20.glUniform1i(uTexture, 2);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, vTextureNames[0]);
GLES20.glTexImage2D( GLES20.GL_TEXTURE_2D, 0, GLES20.GL_LUMINANCE,
160, 120, 0, GLES20.GL_LUMINANCE, GLES20.GL_UNSIGNED_BYTE, vBuffer);
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);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glActiveTexture(GLES20.GL_TEXTURE1+1);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, vTextureNames[0]);
GLES20.glUniform1i(vTexture, 1);
GLES20.glDrawElements(GLES20.GL_TRIANGLES, 6, GLES20.GL_UNSIGNED_SHORT, mIndices);
}
public void setPreviewFrameSize(int realWidth, int realHeight) {
previewFrameHeight = realHeight;
previewFrameWidth = realWidth;
}
public static String readTextFileFromRawResource(final Context context, final int resourceId) {
final InputStream inputStream = context.getResources().openRawResource(resourceId);
final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String nextLine;
final StringBuilder body = new StringBuilder();
try {
while ((nextLine = bufferedReader.readLine()) != null) {
body.append(nextLine);
body.append('\n');
}
} catch (IOException e) {
return null;
}
return body.toString();
}
public static int loadShader(int type, String shaderSrc) {
int shader;
int[] compiled = new int[1];
// Create the shader object
shader = GLES20.glCreateShader(type);
if (shader == 0) {
return 0;
}
// Load the shader source
GLES20.glShaderSource(shader, shaderSrc);
// Compile the shader
GLES20.glCompileShader(shader);
// Check the compile status
GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compiled, 0);
if (compiled[0] == 0) {
Log.e("ESShader", GLES20.glGetShaderInfoLog(shader));
GLES20.glDeleteShader(shader);
return 0;
}
return shader;
}
public static int loadProgram(String vertShaderSrc, String fragShaderSrc) {
int vertexShader;
int fragmentShader;
int programObject;
int[] linked = new int[1];
// Load the vertex/fragment shaders
vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertShaderSrc);
if (vertexShader == 0) {
return 0;
}
fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragShaderSrc);
if (fragmentShader == 0) {
GLES20.glDeleteShader(vertexShader);
return 0;
}
// Create the program object
programObject = GLES20.glCreateProgram();
if (programObject == 0) {
return 0;
}
GLES20.glAttachShader(programObject, vertexShader);
GLES20.glAttachShader(programObject, fragmentShader);
// Link the program
GLES20.glLinkProgram(programObject);
// Check the link status
GLES20.glGetProgramiv(programObject, GLES20.GL_LINK_STATUS, linked, 0);
if (linked[0] == 0) {
Log.e("ESShader", "Error linking program:");
Log.e("ESShader", GLES20.glGetProgramInfoLog(programObject));
GLES20.glDeleteProgram(programObject);
return 0;
}
// Free up no longer needed shader resources
GLES20.glDeleteShader(vertexShader);
GLES20.glDeleteShader(fragmentShader);
return programObject;
}
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
System.arraycopy(data, 0, ydata, 0, LENGTH);
yBuffer.put(ydata);
yBuffer.position(0);
System.arraycopy(data, U_INDEX, uData, 0, LENGTH_4);
uBuffer.put(uData);
uBuffer.position(0);
System.arraycopy(data, V_INDEX, vData, 0, LENGTH_4);
vBuffer.put(vData);
vBuffer.position(0);
}
}