Example usage for com.badlogic.gdx.graphics GL20 GL_PACK

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics GL20 GL_PACK_ALIGNMENT.

Prototype

int GL_PACK_ALIGNMENT

To view the source code for com.badlogic.gdx.graphics GL20 GL_PACK_ALIGNMENT.

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Usage

From source file:com.dragome.gdx.graphics.webgl.DragomeGL20.java

License:Apache License

@Override
public void glGetIntegerv(final int pname, final IntBuffer params) {
    if (pname == GL20.GL_ACTIVE_TEXTURE || pname == GL20.GL_ALPHA_BITS || pname == GL20.GL_BLEND_DST_ALPHA
            || pname == GL20.GL_BLEND_DST_RGB || pname == GL20.GL_BLEND_EQUATION_ALPHA
            || pname == GL20.GL_BLEND_EQUATION_RGB || pname == GL20.GL_BLEND_SRC_ALPHA
            || pname == GL20.GL_BLEND_SRC_RGB || pname == GL20.GL_BLUE_BITS || pname == GL20.GL_CULL_FACE_MODE
            || pname == GL20.GL_DEPTH_BITS || pname == GL20.GL_DEPTH_FUNC || pname == GL20.GL_FRONT_FACE
            || pname == GL20.GL_GENERATE_MIPMAP_HINT || pname == GL20.GL_GREEN_BITS
            || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_FORMAT
            || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_TYPE
            || pname == GL20.GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_CUBE_MAP_TEXTURE_SIZE
            || pname == GL20.GL_MAX_FRAGMENT_UNIFORM_VECTORS || pname == GL20.GL_MAX_RENDERBUFFER_SIZE
            || pname == GL20.GL_MAX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_TEXTURE_SIZE
            || pname == GL20.GL_MAX_VARYING_VECTORS || pname == GL20.GL_MAX_VERTEX_ATTRIBS
            || pname == GL20.GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_VERTEX_UNIFORM_VECTORS
            || pname == GL20.GL_NUM_COMPRESSED_TEXTURE_FORMATS || pname == GL20.GL_PACK_ALIGNMENT
            || pname == GL20.GL_RED_BITS || pname == GL20.GL_SAMPLE_BUFFERS || pname == GL20.GL_SAMPLES
            || pname == GL20.GL_STENCIL_BACK_FAIL || pname == GL20.GL_STENCIL_BACK_FUNC
            || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_FAIL || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_PASS
            || pname == GL20.GL_STENCIL_BACK_REF || pname == GL20.GL_STENCIL_BACK_VALUE_MASK
            || pname == GL20.GL_STENCIL_BACK_WRITEMASK || pname == GL20.GL_STENCIL_BITS
            || pname == GL20.GL_STENCIL_CLEAR_VALUE || pname == GL20.GL_STENCIL_FAIL
            || pname == GL20.GL_STENCIL_FUNC || pname == GL20.GL_STENCIL_PASS_DEPTH_FAIL
            || pname == GL20.GL_STENCIL_PASS_DEPTH_PASS || pname == GL20.GL_STENCIL_REF
            || pname == GL20.GL_STENCIL_VALUE_MASK || pname == GL20.GL_STENCIL_WRITEMASK
            || pname == GL20.GL_SUBPIXEL_BITS || pname == GL20.GL_UNPACK_ALIGNMENT) {
        params.put(0, (Integer) gl.getParameter(pname));
    } else {/*from ww  w  .j a v a 2 s .  c om*/
        throw new GdxRuntimeException("glGetFloat not supported by WebGL backend.");
    }
}

From source file:com.heaven7.fantastictank.test.ScreenUtils.java

License:Apache License

public static Pixmap getFrameBufferPixmap(int x, int y, int w, int h) {
    Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);

    final Pixmap pixmap = new Pixmap(w, h, Format.RGBA8888);
    ByteBuffer pixels = pixmap.getPixels();
    Gdx.gl.glReadPixels(x, y, w, h, GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, pixels);

    return pixmap;
}

From source file:com.heaven7.fantastictank.test.ScreenUtils.java

License:Apache License

/** Returns a portion of the default framebuffer contents specified by x, y, width and height, as a byte[] array with a length
 * equal to the specified width * height * 4. The byte[] will always contain RGBA8888 data. If the width and height specified
 * are larger than the framebuffer dimensions, the Texture will be padded accordingly. Pixels that fall outside of the current
 * screen will have RGBA values of 0. Because of differences in screen and image origins the framebuffer contents should be
 * flipped along the Y axis if you intend save them to disk as a bitmap. Flipping is not cheap operation, so use this
 * functionality wisely.// ww  w  . ja v  a2  s.  c o  m
 * 
 * @param flipY whether to flip pixels along Y axis */
public static byte[] getFrameBufferPixels(int x, int y, int w, int h, boolean flipY) {
    Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);
    final ByteBuffer pixels = BufferUtils.newByteBuffer(w * h * 4);
    Gdx.gl.glReadPixels(x, y, w, h, GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, pixels);
    final int numBytes = w * h * 4;
    byte[] lines = new byte[numBytes];
    if (flipY) {
        final int numBytesPerLine = w * 4;
        for (int i = 0; i < h; i++) {
            pixels.position((h - i - 1) * numBytesPerLine);
            pixels.get(lines, i * numBytesPerLine, numBytesPerLine);
        }
    } else {
        pixels.clear();
        pixels.get(lines);
    }
    return lines;

}

From source file:com.softwaresemantics.diyglsllwp.ShaderGalleryActivity.java

License:Creative Commons License

/**
 *
 * *//* ww w .j a  va2  s  . c o m*/
public Pixmap getScreenshot(int x, int y, int w, int h, boolean flipY) {
    Gdx.gl20.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);

    final Pixmap pixmap = new Pixmap(w, h, Format.RGBA8888);
    ByteBuffer pixels = pixmap.getPixels();

    Gdx.gl20.glReadPixels(x, y, w, h, GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, pixels);

    final int numBytes = w * h * 4;
    byte[] lines = new byte[numBytes];
    if (flipY) {
        final int numBytesPerLine = w * 4;
        for (int i = 0; i < h; i++) {
            pixels.position((h - i - 1) * numBytesPerLine);
            pixels.get(lines, i * numBytesPerLine, numBytesPerLine);
        }
        pixels.clear();
        pixels.put(lines);
    } else {
        pixels.clear();
        pixels.get(lines);
    }

    return pixmap;
}

From source file:mobi.shad.s3lib.gfx.util.ScreenShot.java

License:Apache License

/**
 * @param x/*w w  w . j  a  v  a  2 s  .co  m*/
 * @param y
 * @param w
 * @param h
 * @param flipY
 * @return
 */
public static Pixmap getScreenShot(int x, int y, int w, int h, boolean flipY) {
    Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);

    final Pixmap pixmap = new Pixmap(w, h, Format.RGBA8888);
    ByteBuffer pixels = pixmap.getPixels();
    Gdx.gl.glReadPixels(x, y, w, h, GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, pixels);

    final int numBytes = w * h * 4;
    byte[] lines = new byte[numBytes];
    if (flipY) {
        final int numBytesPerLine = w * 4;
        for (int i = 0; i < h; i++) {
            pixels.position((h - i - 1) * numBytesPerLine);
            pixels.get(lines, i * numBytesPerLine, numBytesPerLine);
        }
        pixels.clear();
        pixels.put(lines);
    } else {
        pixels.clear();
        pixels.get(lines);
    }

    return pixmap;
}

From source file:org.teavm.gdx.graphics.webgl.TeaVMGL20.java

License:Apache License

@Override
public void glGetIntegerv(final int pname, final IntBuffer params) {
    if (pname == GL20.GL_ACTIVE_TEXTURE || pname == GL20.GL_ALPHA_BITS || pname == GL20.GL_BLEND_DST_ALPHA
            || pname == GL20.GL_BLEND_DST_RGB || pname == GL20.GL_BLEND_EQUATION_ALPHA
            || pname == GL20.GL_BLEND_EQUATION_RGB || pname == GL20.GL_BLEND_SRC_ALPHA
            || pname == GL20.GL_BLEND_SRC_RGB || pname == GL20.GL_BLUE_BITS || pname == GL20.GL_CULL_FACE_MODE
            || pname == GL20.GL_DEPTH_BITS || pname == GL20.GL_DEPTH_FUNC || pname == GL20.GL_FRONT_FACE
            || pname == GL20.GL_GENERATE_MIPMAP_HINT || pname == GL20.GL_GREEN_BITS
            || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_FORMAT
            || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_TYPE
            || pname == GL20.GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_CUBE_MAP_TEXTURE_SIZE
            || pname == GL20.GL_MAX_FRAGMENT_UNIFORM_VECTORS || pname == GL20.GL_MAX_RENDERBUFFER_SIZE
            || pname == GL20.GL_MAX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_TEXTURE_SIZE
            || pname == GL20.GL_MAX_VARYING_VECTORS || pname == GL20.GL_MAX_VERTEX_ATTRIBS
            || pname == GL20.GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_VERTEX_UNIFORM_VECTORS
            || pname == GL20.GL_NUM_COMPRESSED_TEXTURE_FORMATS || pname == GL20.GL_PACK_ALIGNMENT
            || pname == GL20.GL_RED_BITS || pname == GL20.GL_SAMPLE_BUFFERS || pname == GL20.GL_SAMPLES
            || pname == GL20.GL_STENCIL_BACK_FAIL || pname == GL20.GL_STENCIL_BACK_FUNC
            || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_FAIL || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_PASS
            || pname == GL20.GL_STENCIL_BACK_REF || pname == GL20.GL_STENCIL_BACK_VALUE_MASK
            || pname == GL20.GL_STENCIL_BACK_WRITEMASK || pname == GL20.GL_STENCIL_BITS
            || pname == GL20.GL_STENCIL_CLEAR_VALUE || pname == GL20.GL_STENCIL_FAIL
            || pname == GL20.GL_STENCIL_FUNC || pname == GL20.GL_STENCIL_PASS_DEPTH_FAIL
            || pname == GL20.GL_STENCIL_PASS_DEPTH_PASS || pname == GL20.GL_STENCIL_REF
            || pname == GL20.GL_STENCIL_VALUE_MASK || pname == GL20.GL_STENCIL_WRITEMASK
            || pname == GL20.GL_SUBPIXEL_BITS || pname == GL20.GL_UNPACK_ALIGNMENT) {
        params.put(0, gl.getParameteri(pname));
    } else {//from  w ww.  j  av  a2s .  c  o  m
        throw new GdxRuntimeException("glGetFloat not supported by WebGL backend.");
    }
}

From source file:org.teavm.libgdx.TeaVMGL20.java

License:Apache License

@Override
public void glGetIntegerv(int pname, IntBuffer params) {
    if (pname == GL20.GL_ACTIVE_TEXTURE || pname == GL20.GL_ALPHA_BITS || pname == GL20.GL_BLEND_DST_ALPHA
            || pname == GL20.GL_BLEND_DST_RGB || pname == GL20.GL_BLEND_EQUATION_ALPHA
            || pname == GL20.GL_BLEND_EQUATION_RGB || pname == GL20.GL_BLEND_SRC_ALPHA
            || pname == GL20.GL_BLEND_SRC_RGB || pname == GL20.GL_BLUE_BITS || pname == GL20.GL_CULL_FACE_MODE
            || pname == GL20.GL_DEPTH_BITS || pname == GL20.GL_DEPTH_FUNC || pname == GL20.GL_FRONT_FACE
            || pname == GL20.GL_GENERATE_MIPMAP_HINT || pname == GL20.GL_GREEN_BITS
            || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_FORMAT
            || pname == GL20.GL_IMPLEMENTATION_COLOR_READ_TYPE
            || pname == GL20.GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_CUBE_MAP_TEXTURE_SIZE
            || pname == GL20.GL_MAX_FRAGMENT_UNIFORM_VECTORS || pname == GL20.GL_MAX_RENDERBUFFER_SIZE
            || pname == GL20.GL_MAX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_TEXTURE_SIZE
            || pname == GL20.GL_MAX_VARYING_VECTORS || pname == GL20.GL_MAX_VERTEX_ATTRIBS
            || pname == GL20.GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS || pname == GL20.GL_MAX_VERTEX_UNIFORM_VECTORS
            || pname == GL20.GL_NUM_COMPRESSED_TEXTURE_FORMATS || pname == GL20.GL_PACK_ALIGNMENT
            || pname == GL20.GL_RED_BITS || pname == GL20.GL_SAMPLE_BUFFERS || pname == GL20.GL_SAMPLES
            || pname == GL20.GL_STENCIL_BACK_FAIL || pname == GL20.GL_STENCIL_BACK_FUNC
            || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_FAIL || pname == GL20.GL_STENCIL_BACK_PASS_DEPTH_PASS
            || pname == GL20.GL_STENCIL_BACK_REF || pname == GL20.GL_STENCIL_BACK_VALUE_MASK
            || pname == GL20.GL_STENCIL_BACK_WRITEMASK || pname == GL20.GL_STENCIL_BITS
            || pname == GL20.GL_STENCIL_CLEAR_VALUE || pname == GL20.GL_STENCIL_FAIL
            || pname == GL20.GL_STENCIL_FUNC || pname == GL20.GL_STENCIL_PASS_DEPTH_FAIL
            || pname == GL20.GL_STENCIL_PASS_DEPTH_PASS || pname == GL20.GL_STENCIL_REF
            || pname == GL20.GL_STENCIL_VALUE_MASK || pname == GL20.GL_STENCIL_WRITEMASK
            || pname == GL20.GL_SUBPIXEL_BITS || pname == GL20.GL_UNPACK_ALIGNMENT)
        params.put(0, gl.getParameteri(pname));
    else//w  ww  . j  av  a2  s .  c  o m
        throw new GdxRuntimeException("glGetFloat not supported by GWT WebGL backend");
}

Example usage for com.badlogic.gdx.graphics GL20 GL_PACK_ALIGNMENT

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