Example usage for android.opengl GLES20 GL_TEXTURE_2D

List of usage examples for android.opengl GLES20 GL_TEXTURE_2D

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Introduction

In this page you can find the example usage for android.opengl GLES20 GL_TEXTURE_2D.

Prototype

int GL_TEXTURE_2D

To view the source code for android.opengl GLES20 GL_TEXTURE_2D.

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Usage

From source file:Main.java

/**
 * Loads the texture with the given id.//  w  w w.j av  a  2  s.com
 *
 * @param context    the application's context
 * @param resourceId the id of the texture
 * @return the texture handle
 */
public static int loadTexture(final Context context, final int resourceId) {
    final int[] textureHandle = new int[1];

    if (!cachedTextureHandles.containsKey(resourceId)) {
        GLES20.glGenTextures(1, textureHandle, 0);

        if (textureHandle[0] != 0) {
            final BitmapFactory.Options options = new BitmapFactory.Options();
            options.inScaled = false; // Pre scaling off

            final Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), resourceId);

            GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);
            GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
            GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);

            GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);

            bitmap.recycle();

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

            cachedTextureHandles.put(resourceId, textureHandle[0]);
        }
    }
    return cachedTextureHandles.get(resourceId);
}

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();/* www . j ava2  s  .  c  o  m*/
    }

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

    return textureHandle[0];
}

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 {// w ww  .j a  va 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: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 va  2s.c  om*/
        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 genTexture() {
    return genTexture(GLES20.GL_TEXTURE_2D);
}

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 {//from   w  ww. j  ava 2s.  c o  m
        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:Main.java

public static int genTexture(int textureType) {
    int[] genBuf = new int[1];
    GLES20.glGenTextures(1, genBuf, 0);/*w w  w  .j  ava2 s  .  c  o m*/
    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);
        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: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   ww 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.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();/* w w w  .j ava  2  s  .  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:eu.sathra.SathraActivity.java

@SuppressLint("WrongCall")
@Override//from www  .  j ava 2 s  .  c  o m
public void onDrawFrame(GL10 gl) {
    gl.glViewport(0, 0, this.getScreenWidth(), this.getScreenHeight());
    // Update time variables
    mTimeDelta = System.currentTimeMillis() - mLastDrawTimestamp;
    mLastDrawTimestamp = System.currentTimeMillis();
    mTime += mTimeDelta;
    mVirtualTimeDelta = (long) (mTimeDelta * getTimeScale());
    mVirtualTime += mVirtualTimeDelta;

    // Setup defaults
    gl.glBindTexture(GL10.GL_TEXTURE_2D, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);

    // Clear BG
    float r = (float) Color.red(mParams.bgColor) / 255;
    float g = (float) Color.green(mParams.bgColor) / 255;
    float b = (float) Color.blue(mParams.bgColor) / 255;
    float a = (float) Color.alpha(mParams.bgColor) / 255;
    gl.glClearColor(r, g, b, a);
    gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);

    gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA);
    GLES20.glBlendEquation(GLES20.GL_FUNC_ADD);

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

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

    // gl.glEnable(GL10.GL_BLEND);
    gl.glBlendFunc(GL10.GL_ONE, GL10.GL_ONE_MINUS_SRC_ALPHA);

    mRootNode.onDraw(gl, mVirtualTime, mVirtualTimeDelta);

    // Draw lights and shadows
    gl.glMatrixMode(GL10.GL_TEXTURE);
    gl.glLoadIdentity();
    gl.glScalef(1, -1, 1); // Frame Buffers are upside down
    gl.glMatrixMode(GL10.GL_MODELVIEW);

    CameraNode activeCam = CameraNode.getActiveCamera();

    if (activeCam != null) {
        shad.setPosition(0, 0);// this.getResolutionWidth()/2,
        // this.getResolutionHeight()/2);//activeCam.getAbsoluteX(),
        // activeCam.getAbsoluteY());
    }

    gl.glBlendFunc(GL10.GL_DST_COLOR, GL10.GL_ONE_MINUS_SRC_ALPHA);

    shad.draw(gl);

    gl.glViewport(0, 0, this.getResolutionWidth(), this.getResolutionHeight()); // SDfDSFSDFS
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, buf[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D,
            tex[0], 0);

    // Clear shadow
    r = (float) Color.red(mParams.ambientColor) / 255;
    g = (float) Color.green(mParams.ambientColor) / 255;
    b = (float) Color.blue(mParams.ambientColor) / 255;
    a = (float) Color.alpha(mParams.ambientColor) / 255;

    gl.glClearColor(r, g, b, a);
    GLES20.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);

    // TODO: CONCURENT MOD EXCEPTION
    try {
        Dyn4jPhysics.getInstance().getWorld().updatev(mVirtualTimeDelta * MILISECONDS_TO_SECONDS);
    } catch (ConcurrentModificationException e) {

    }

    // if (mIsRunning)
    onUpdate(mVirtualTime, mVirtualTimeDelta);

    // Update fps counter
    mFPS = 1000f / mTimeDelta;

    // mDebugView.postInvalidate();

    // System.gc();
}