Example usage for android.opengl GLES20 glGenTextures

List of usage examples for android.opengl GLES20 glGenTextures

Introduction

In this page you can find the example usage for android.opengl GLES20 glGenTextures.

Prototype

public static native void glGenTextures(int n, int[] textures, int offset);

Source Link

Usage

From source file:Main.java

public static int loadTexture(final Bitmap img, final int usedTexId, final boolean recycle) {
    int textures[] = new int[1];
    if (usedTexId == NO_TEXTURE) {
        GLES20.glGenTextures(1, textures, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_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);

        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, img, 0);
    } else {//  www.ja  v a  2  s.c  o m
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
        GLUtils.texSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, img);
        textures[0] = usedTexId;
    }
    if (recycle) {
        img.recycle();
    }
    return textures[0];
}

From source file:com.mienaikoe.deltamonitor.CameraWatcherService.java

private static SurfaceTexture getTexture() {
    int[] textures = new int[1];
    GLES20.glGenTextures(1, textures, 0);
    GLES20.glBindTexture(GL_TEXTURE_EXTERNAL_OES, textures[0]);
    return new SurfaceTexture(textures[0]);
}

From source file:Main.java

public static int genTexture(int textureType) {
    int[] genBuf = new int[1];
    GLES20.glGenTextures(1, genBuf, 0);
    GLES20.glBindTexture(textureType, genBuf[0]);

    // Set texture default draw parameters
    if (textureType == GLES11Ext.GL_TEXTURE_EXTERNAL_OES) {
        GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);
        GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_S,
                GL10.GL_CLAMP_TO_EDGE);// w w  w  .  j av  a 2s  . c o  m
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_T,
                GL10.GL_CLAMP_TO_EDGE);

    } else {
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_REPEAT);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_REPEAT);
    }

    return genBuf[0];
}

From source file:Main.java

public static int loadTexture(final IntBuffer data, final Size size, final int usedTexId) {
    int textures[] = new int[1];
    if (usedTexId == NO_TEXTURE) {
        GLES20.glGenTextures(1, textures, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_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.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, size.width, size.height, 0, GLES20.GL_RGBA,
                GLES20.GL_UNSIGNED_BYTE, data);
    } else {// ww w  .j  av a  2 s. c  om
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
        GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, size.width, size.height, GLES20.GL_RGBA,
                GLES20.GL_UNSIGNED_BYTE, data);
        textures[0] = usedTexId;
    }
    return textures[0];
}

From source file:com.example.vendrisample.HelloEffects.java

License:asdf

private void loadTextures() {
    // Generate textures
    GLES20.glGenTextures(2, mTextures, 0);

    // Load input bitmap
    Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.vendri);
    mImageWidth = bitmap.getWidth();/*  w w w . j  ava  2s  .c  om*/
    mImageHeight = bitmap.getHeight();
    mTexRenderer.updateTextureSize(mImageWidth, mImageHeight);

    // Upload to texture
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextures[0]);
    GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

    // Set texture parameters
    GLToolbox.initTexParams();
}

From source file:com.example.android.mediaeffects.MediaEffectsFragment.java

private void loadTextures() {
    // Generate textures
    GLES20.glGenTextures(2, mTextures, 0);

    // Load input bitmap
    Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.puppy);
    mImageWidth = bitmap.getWidth();/*from   ww  w. j a  v  a2s. co m*/
    mImageHeight = bitmap.getHeight();
    mTexRenderer.updateTextureSize(mImageWidth, mImageHeight);

    // Upload to texture
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextures[0]);
    GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

    // Set texture parameters
    GLToolbox.initTexParams();
}

From source file:com.sveder.cardboardpassthrough.MainActivity.java

static private int createTexture() {
    int[] texture = new int[1];

    GLES20.glGenTextures(1, texture, 0);
    GLES20.glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture[0]);
    GLES20.glTexParameterf(GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameterf(GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);

    return texture[0];
}

From source file:com.aimfire.gallery.cardboard.PhotoActivity.java

/**
 * generate 2 textures/*from   w w w  . j a va2  s .  c  om*/
 * @return
 */
public int[] genTextures() {
    final int[] textureHandle = new int[2];
    GLES20.glGenTextures(2, textureHandle, 0);
    checkGLError("genTextures");

    return textureHandle;
}

From source file:eu.sathra.SathraActivity.java

@Override
public void onSurfaceChanged(GL10 gl, int width, int height) {
    if (mParams.width == 0 && mParams.height == 0) {
        mParams.width = width;//from   ww w  . ja va  2  s  . co m
        mParams.height = height;
    } else if (mParams.width == 0) {
        float screenRatio = width / (float) height;
        mParams.width = (int) (mParams.height * screenRatio);
    } else if (mParams.height == 0) {
        float screenRatio = height / (float) width;
        mParams.height = (int) (mParams.width * screenRatio);
    }

    gl.glViewport(0, 0, width, height);// mParams.width, mParams.height);

    Log.debug(String.format(SURFACE_CREATE_MSG_FORMAT, width, height, mParams.width, mParams.height));

    if (!mWasInitiated) {
        GLES20.glGenFramebuffers(1, buf, 0);
        GLES20.glGenTextures(1, tex, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, tex[0]);
        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);
        IntBuffer tmp = ByteBuffer.allocateDirect(mParams.width * mParams.height * 4)
                .order(ByteOrder.nativeOrder()).asIntBuffer();
        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, mParams.width, mParams.height, 0,
                GLES20.GL_RGBA, GLES20.GL_UNSIGNED_SHORT_4_4_4_4, tmp);

        shad = new Sprite(new Texture(tex[0], mParams.width, mParams.height));
        shad.setPivot(0.5f, 0.5f);

        onEngineInitiated();

        mWasInitiated = true;
    }
}

From source file:com.tumblr.cardboard.Tumblr3DActivity.java

/**
 * Loads a bitmap into OpenGL.//from w  w w.  ja  v a  2s.  c o m
 *
 * @param texIndex the desired texture index
 * @param bitmap   the bitmap to put into OpenGL
 */
private void loadTextureInternal(int texIndex, Bitmap bitmap, boolean recycle) {

    GLES20.glGenTextures(1, mTextureIds, texIndex);

    Log.d(TAG, "loading texture: " + texIndex + " -> " + mTextureIds[texIndex]);

    if (mTextureIds[texIndex] != INVALID_TEXTURE && bitmap != null && !bitmap.isRecycled()) {

        // Set the active texture unit
        GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + texIndex);

        Matrix.setIdentityM(mImageRect[texIndex], 0);
        Matrix.scaleM(mImageRect[texIndex], 0, 1f, (float) bitmap.getHeight() / bitmap.getWidth(), 1f);

        // Bind to the texture in OpenGL
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureIds[texIndex]);

        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);

        // Set filtering
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

        // Load the bitmap into the bound texture.
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

        mRectTextureIds[texIndex] = mTextureIds[texIndex];
    } else {
        Log.w(TAG, "Failed to load: " + texIndex);
    }

    if (mTextureIds[texIndex] == INVALID_TEXTURE) {
        Log.e(TAG, "Error loading texture.");
    }
}