Example usage for android.opengl GLUtils texImage2D

Introduction

In this page you can find the example usage for android.opengl GLUtils texImage2D.

Prototype

public static void texImage2D(int target, int level, Bitmap bitmap, int border) 

Source Link

Document

A version of texImage2D that determines the internalFormat and type automatically.

Usage

From source file:Main.java

public static int initTexture(Context context, int drawableId)// textureId
{
    int[] textures = new int[1];
    glGenTextures(1, textures, 0);/*from www .ja va  2s.  c om*/
    int textureId = textures[0];
    glBindTexture(GL_TEXTURE_2D, textureId);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

    InputStream is = context.getResources().openRawResource(drawableId);
    Bitmap bitmapTmp;
    try {
        bitmapTmp = BitmapFactory.decodeStream(is);
    } finally {
        try {
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    GLUtils.texImage2D(GL_TEXTURE_2D, 0, bitmapTmp, 0);
    bitmapTmp.recycle();

    return textureId;
}

---

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 {//from  www.  j a va  2s.c  om
        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:Main.java

public static int loadTexture(final Context context, final int resourceId, int[] size) {
    final int texId = genTexture();

    if (texId != 0) {
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inScaled = false; // No pre-scaling
        options.inJustDecodeBounds = true;

        // Just decode bounds
        BitmapFactory.decodeResource(context.getResources(), resourceId, options);

        // Set return size
        size[0] = options.outWidth;/*from   ww w.  j a  v a2 s . co  m*/
        size[1] = options.outHeight;

        // Decode
        options.inJustDecodeBounds = false;
        Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), resourceId, options);

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

        // Recycle the bitmap, since its data has been loaded into OpenGL.
        bitmap.recycle();
    }

    return texId;
}

---

From source file:Main.java

public static int loadTexture(Bitmap bitmap) {
    final int[] textureHandle = new int[1];

    GLES20.glGenTextures(1, textureHandle, 0);

    if (textureHandle[0] != 0) {
        //           final BitmapFactory.Options options = new BitmapFactory.Options();
        //           options.inScaled = false;   // No pre-scaling

        // Read in the resource
        //           final Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), resourceId, options);

        // Bind to the texture in OpenGL
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);

        // Set filtering
        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); // Set U Wrapping
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE); // Set V Wrapping

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

        // Recycle the bitmap, since its data has been loaded into OpenGL.
        bitmap.recycle();//  w w  w  .j a v  a2  s . c om
    }

    if (textureHandle[0] == 0) {
        throw new RuntimeException("Error loading texture.");
    }

    return textureHandle[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();//from  w  w  w  . j  av  a  2s .  c  o  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.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 w w w .  j  a  v a 2 s.  c o 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.aimfire.gallery.cardboard.PhotoActivity.java

public void loadTexture(Bitmap bitmap, int textureHandle) {
    if (textureHandle != 0) {
        // Bind to the texture in OpenGL
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle);
        GlUtil.checkGlError("loadTexture: 1");

        // Set filtering
        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);
        GlUtil.checkGlError("loadTexture: 2");

        // opengl es 2.0 doesn't support clamp_to_border. so we manually added a
        // border when we process the images. and set wrap mode to clamp_to_edge
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
        GlUtil.checkGlError("loadTexture: 3");

        // Load the bitmap into the bound texture.
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
        GlUtil.checkGlError("loadTexture: 4");

        // Recycle the bitmap, since its data has been loaded into OpenGL.
        //if(bitmap != null)
        //bitmap.recycle();
    } else {/*from w ww  .  ja va  2 s  .c o m*/
        throw new RuntimeException("Error loading texture.");
    }
}

---

From source file:com.adobe.plugins.FastCanvasRenderer.java

public void loadTexture(Bitmap bmp, int id) {
    if (bmp == null) {
        Log.i("CANVAS", "CanvasRenderer Aborting loadtexture " + id);
        return;//from  w  ww  .  j  a  v a 2  s .c o  m
    }

    int[] glID = new int[1];
    GLES10.glGenTextures(1, glID, 0);
    GLES10.glBindTexture(GLES10.GL_TEXTURE_2D, glID[0]);
    GLES10.glTexParameterf(GLES10.GL_TEXTURE_2D, GLES10.GL_TEXTURE_MIN_FILTER, GLES10.GL_LINEAR);
    GLES10.glTexParameterf(GLES10.GL_TEXTURE_2D, GLES10.GL_TEXTURE_MAG_FILTER, GLES10.GL_LINEAR);

    int width = bmp.getWidth();
    int height = bmp.getHeight();
    int p2Width = 2;
    while (p2Width < width) {
        p2Width *= 2;
    }

    int p2Height = 2;
    while (p2Height < height) {
        p2Height *= 2;
    }

    if (width == p2Width && height == p2Height) {
        GLUtils.texImage2D(GLES10.GL_TEXTURE_2D, 0, bmp, 0);
    } else {
        Log.i("Canvas", "Canvas::AddTexture scaling texture " + id + " to power of 2");
        GLES10.glTexImage2D(GLES10.GL_TEXTURE_2D, 0, GLES10.GL_RGBA, p2Width, p2Height, 0, GLES10.GL_RGBA,
                GLES10.GL_UNSIGNED_BYTE, null);
        GLUtils.texSubImage2D(GLES10.GL_TEXTURE_2D, 0, 0, 0, bmp);
        width = p2Width;
        height = p2Height;
    }

    checkError();

    FastCanvasJNI.addTexture(id, glID[0], width, height);
    Log.i("CANVAS", "CanvasRenderer Leaving loadtexture " + id);
}

---

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

/**
 * Loads a bitmap into OpenGL.//from w  w  w  . j  a v a  2s  . c  om
 *
 * @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.");
    }
}

---

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

private void updateTexture(int texIndex, Bitmap bitmap) {
    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]);

        // Load the bitmap into the bound texture.
        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
    } else {//  ww w .j  av a  2  s .c o  m
        Log.w(TAG, "Failed to update: " + texIndex + " val: " + mTextureIds[texIndex]);
    }
}

---

• «
• 1
• 2
• »