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

public static void bindFrameTexture(int frameBufferId, int textureId) {
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBufferId);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D,
            textureId, 0);//from  www  .jav a 2 s  . co m
}

From source file:Main.java

public static void initTexture(Resources res, BitmapFactory.Options opts, int resource, int handle) {
    Bitmap bmp = BitmapFactory.decodeResource(res, resource, opts);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, handle);
    GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bmp, 0);
    GLES20.glGenerateMipmap(GLES20.GL_TEXTURE_2D);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR_MIPMAP_LINEAR);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
    bmp.recycle();//from w w  w  . j a  v a 2s. com
}

From source file:Main.java

public static int setTexture(Bitmap bitmap) {
    GLES20.glGenTextures(1, texturenames, 0);

    GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texturenames[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);

    GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
    bitmap.recycle();/* ww  w  .  ja v  a2s. c  om*/

    return texturenames[0];
}

From source file:Main.java

public static void loadTexture(final Context context, int resId, GL10 gl, int[] textures) {

    Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), resId);

    gl.glGenTextures(1, textures, 0);//  w w  w .  j  av  a2s.  com
    gl.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);

    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);

    GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bmp, 0);
    bmp.recycle();

}

From source file:Main.java

public static int loadTextureFromResource(Context context, int resId) {
    final int textureHandle[] = new int[1];

    GLES20.glGenTextures(1, textureHandle, 0);
    if (textureHandle[0] != 0) {
        final BitmapFactory.Options op = new BitmapFactory.Options();
        op.inScaled = false;/*from   w  w w  .  ja v  a 2s  .com*/
        final Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), resId, op);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);

        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_NEAREST);

        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bmp, 0);
    } else {
        throw new RuntimeException("Error Loading Texture");
    }

    return textureHandle[0];
}

From source file:Main.java

public static int loadTexture(String s) {
    Bitmap img;//from www  .  ja v a2  s .  co  m
    try {
        img = BitmapFactory.decodeStream(context.getAssets().open(s));
    } catch (IOException e) {
        return 0;
    }
    int tex[] = new int[1];
    GLES20.glGenTextures(1, tex, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, tex[0]);
    GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, img, 0);
    GLES20.glGenerateMipmap(GLES20.GL_TEXTURE_2D);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR_MIPMAP_LINEAR);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
    img.recycle();
    return tex[0];
}

From source file:Main.java

public static int loadTexture(String s) {
    Bitmap img;/*from  w  w w.j  a va 2 s.  c o  m*/
    try {
        img = BitmapFactory.decodeStream(context.getAssets().open(s));
    } catch (IOException e) {
        return -1;
    }
    int tex[] = new int[1];
    GLES20.glGenTextures(1, tex, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, tex[0]);
    GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, img, 0);
    GLES20.glGenerateMipmap(GLES20.GL_TEXTURE_2D);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR_MIPMAP_LINEAR);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
    img.recycle();
    return tex[0];
}

From source file:Main.java

public static int loadTexture(final Context context, final int resourceId) {
    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_NEAREST);
        GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

        // 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();//ww w  .  j  a va2  s  .  c  o m
    }

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

    return textureHandle[0];
}

From source file:Main.java

/**
 * Loads a bitmap into memory then discards the bitmap.
 * @param bitmap//from w  ww .  j  av a  2s .c o m
 * @param oldHandle   Handle to use.
 * @return
 */
public static int loadBitmap(Bitmap bitmap, int oldHandle, boolean recycle) {
    int h;

    int handle[] = new int[1];
    GLES20.glGenTextures(1, handle, 0);
    h = handle[0];
    //      
    //      if(oldHandle <= 0) {
    //         int handle[] = new int[1];
    //         GLES20.glGenTextures(1, handle, 0);
    //         h = handle[0];
    //      } else {
    //         h = oldHandle;
    //      }

    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, h);

    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameterf(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);

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

    if (recycle)
        bitmap.recycle();

    return h;
}

From source file:Main.java

/**
 * Make a given frameBuffer and texture render targets active. Example of setup for rendering to viewport: PheiffGLUtils.bindFrameBuffer(0, -1, -1);
 * <p/>//w  w  w . j a  v a  2s. co  m
 * Example of setup for rendering to a texture: PheiffGLUtils.bindFrameBuffer(frameBufferHandle, colorRenderTextureHandle, depthRenderTextureHandle);
 *
 * @param frameBufferHandle        GL handle to a frame buffer object to use OR 0 for the main framebuffer (viewport)
 * @param colorRenderTextureHandle GL handle to the texture where colors should be rendered or -1 to not use this feature
 * @param depthRenderTextureHandle GL handle to the texture where depth information should be rendered  or -1 to not use this feature
 */
public static void bindFrameBuffer(int frameBufferHandle, int colorRenderTextureHandle,
        int depthRenderTextureHandle) {
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBufferHandle);
    if (frameBufferHandle != 0) {
        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D,
                colorRenderTextureHandle, 0);
        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_TEXTURE_2D,
                depthRenderTextureHandle, 0);
    }
}