Java Code Examples for javax.microedition.khronos.opengles.GL10#glTexEnvf()

The following examples show how to use javax.microedition.khronos.opengles.GL10#glTexEnvf() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LabelMaker.java    From codeexamples-android with Eclipse Public License 1.0 6 votes vote down vote up 
/**
 * Call to initialize the class.
 * Call whenever the surface has been created.
 *
 * @param gl
 */
public void initialize(GL10 gl) {
    mState = STATE_INITIALIZED;
    int[] textures = new int[1];
    gl.glGenTextures(1, textures, 0);
    mTextureID = textures[0];
    gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID);

    // Use Nearest for performance.
    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,
            GL10.GL_NEAREST);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER,
            GL10.GL_NEAREST);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S,
            GL10.GL_CLAMP_TO_EDGE);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T,
            GL10.GL_CLAMP_TO_EDGE);

    gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE,
            GL10.GL_REPLACE);
}
Example 2
Source File: FrameBufferObjectActivity.java    From codeexamples-android with Eclipse Public License 1.0 5 votes vote down vote up 
private void drawOnscreen(GL10 gl, int width, int height) {
    gl.glViewport(0, 0, width, height);
    float ratio = (float) width / height;
    gl.glMatrixMode(GL10.GL_PROJECTION);
    gl.glLoadIdentity();
    gl.glFrustumf(-ratio, ratio, -1, 1, 3, 7);

    gl.glClearColor(0,0,1,0);
    gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
    gl.glBindTexture(GL10.GL_TEXTURE_2D, mTargetTexture);

    gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE,
            GL10.GL_REPLACE);

    gl.glMatrixMode(GL10.GL_MODELVIEW);
    gl.glLoadIdentity();

    GLU.gluLookAt(gl, 0, 0, -5, 0f, 0f, 0f, 0f, 1.0f, 0.0f);

    gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
    gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);

    gl.glActiveTexture(GL10.GL_TEXTURE0);

    long time = SystemClock.uptimeMillis() % 4000L;
    float angle = 0.090f * ((int) time);

    gl.glRotatef(angle, 0, 0, 1.0f);

    mTriangle.draw(gl);

    // Restore default state so the other renderer is not affected.

    gl.glBindTexture(GL10.GL_TEXTURE_2D, 0);
    gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);
    gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
}
Example 3
Source File: SpriteTextRenderer.java    From codeexamples-android with Eclipse Public License 1.0 4 votes vote down vote up 
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
    /*
     * By default, OpenGL enables features that improve quality
     * but reduce performance. One might want to tweak that
     * especially on software renderer.
     */
    gl.glDisable(GL10.GL_DITHER);

    /*
     * Some one-time OpenGL initialization can be made here
     * probably based on features of this particular context
     */
    gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT,
            GL10.GL_FASTEST);

    gl.glClearColor(.5f, .5f, .5f, 1);
    gl.glShadeModel(GL10.GL_SMOOTH);
    gl.glEnable(GL10.GL_DEPTH_TEST);
    gl.glEnable(GL10.GL_TEXTURE_2D);

    /*
     * Create our texture. This has to be done each time the
     * surface is created.
     */

    int[] textures = new int[1];
    gl.glGenTextures(1, textures, 0);

    mTextureID = textures[0];
    gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,
            GL10.GL_NEAREST);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D,
            GL10.GL_TEXTURE_MAG_FILTER,
            GL10.GL_LINEAR);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S,
            GL10.GL_CLAMP_TO_EDGE);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T,
            GL10.GL_CLAMP_TO_EDGE);

    gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE,
            GL10.GL_REPLACE);

    InputStream is = mContext.getResources()
            .openRawResource(R.raw.robot);
    Bitmap bitmap;
    try {
        bitmap = BitmapFactory.decodeStream(is);
    } finally {
        try {
            is.close();
        } catch(IOException e) {
            // Ignore.
        }
    }

    GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0);
    bitmap.recycle();

    if (mLabels != null) {
        mLabels.shutdown(gl);
    } else {
        mLabels = new LabelMaker(true, 256, 64);
    }
    mLabels.initialize(gl);
    mLabels.beginAdding(gl);
    mLabelA = mLabels.add(gl, "A", mLabelPaint);
    mLabelB = mLabels.add(gl, "B", mLabelPaint);
    mLabelC = mLabels.add(gl, "C", mLabelPaint);
    mLabelMsPF = mLabels.add(gl, "ms/f", mLabelPaint);
    mLabels.endAdding(gl);

    if (mNumericSprite != null) {
        mNumericSprite.shutdown(gl);
    } else {
        mNumericSprite = new NumericSprite();
    }
    mNumericSprite.initialize(gl, mLabelPaint);
}
Example 4
Source File: MatrixPaletteRenderer.java    From codeexamples-android with Eclipse Public License 1.0 4 votes vote down vote up 
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
    /*
     * By default, OpenGL enables features that improve quality
     * but reduce performance. One might want to tweak that
     * especially on software renderer.
     */
    gl.glDisable(GL10.GL_DITHER);

    /*
     * Some one-time OpenGL initialization can be made here
     * probably based on features of this particular context
     */
    gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT,
            GL10.GL_FASTEST);

    gl.glClearColor(.5f, .5f, .5f, 1);
    gl.glShadeModel(GL10.GL_SMOOTH);
    gl.glEnable(GL10.GL_DEPTH_TEST);
    gl.glEnable(GL10.GL_TEXTURE_2D);

    /*
     * Create our texture. This has to be done each time the
     * surface is created.
     */

    int[] textures = new int[1];
    gl.glGenTextures(1, textures, 0);

    mTextureID = textures[0];
    gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,
            GL10.GL_NEAREST);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D,
            GL10.GL_TEXTURE_MAG_FILTER,
            GL10.GL_LINEAR);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S,
            GL10.GL_CLAMP_TO_EDGE);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T,
            GL10.GL_CLAMP_TO_EDGE);

    gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE,
            GL10.GL_REPLACE);

    InputStream is = mContext.getResources()
            .openRawResource(R.raw.robot);
    Bitmap bitmap;
    try {
        bitmap = BitmapFactory.decodeStream(is);
    } finally {
        try {
            is.close();
        } catch(IOException e) {
            // Ignore.
        }
    }

    GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0);
    bitmap.recycle();

    mGrid = generateWeightedGrid(gl);
}
Example 5
Source File: TriangleRenderer.java    From codeexamples-android with Eclipse Public License 1.0 4 votes vote down vote up 
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
    /*
     * By default, OpenGL enables features that improve quality
     * but reduce performance. One might want to tweak that
     * especially on software renderer.
     */
    gl.glDisable(GL10.GL_DITHER);

    /*
     * Some one-time OpenGL initialization can be made here
     * probably based on features of this particular context
     */
    gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT,
            GL10.GL_FASTEST);

    gl.glClearColor(.5f, .5f, .5f, 1);
    gl.glShadeModel(GL10.GL_SMOOTH);
    gl.glEnable(GL10.GL_DEPTH_TEST);
    gl.glEnable(GL10.GL_TEXTURE_2D);

    /*
     * Create our texture. This has to be done each time the
     * surface is created.
     */

    int[] textures = new int[1];
    gl.glGenTextures(1, textures, 0);

    mTextureID = textures[0];
    gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,
            GL10.GL_NEAREST);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D,
            GL10.GL_TEXTURE_MAG_FILTER,
            GL10.GL_LINEAR);

    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S,
            GL10.GL_CLAMP_TO_EDGE);
    gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T,
            GL10.GL_CLAMP_TO_EDGE);

    gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE,
            GL10.GL_REPLACE);

    InputStream is = mContext.getResources()
            .openRawResource(R.raw.robot);
    Bitmap bitmap;
    try {
        bitmap = BitmapFactory.decodeStream(is);
    } finally {
        try {
            is.close();
        } catch(IOException e) {
            // Ignore.
        }
    }

    GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0);
    bitmap.recycle();
}