/**
* Returns a ByteBuffer of BufferedImage data. Ensure BufferedImage is of 4BYTE_ABGR type. If
* imageFormat is set to GL_RGBA, byte stream will be converted.
*/
private ByteBuffer getByteBuffer(final BufferedImage _image) {
final DataBuffer buffer = _image.getRaster().getDataBuffer();
final int type = buffer.getDataType();
if (type == DataBuffer.TYPE_BYTE) {
final byte[] data = ((DataBufferByte) buffer).getData();
if (imageFormat == GL3.GL_RGBA) {
convertABGRtoRGBA(data);
}
return ByteBuffer.wrap(data);
}
System.out.println("Failed to determine DataBuffer type.");
return null;
}
protected void fill(GOut g) {
BGL gl = g.gl;
Coord dim = new Coord(tdim, tdim);
for (int i = 0; i < order.length; i++) {
ByteBuffer data =
ByteBuffer.wrap(
TexI.convert(back, dim, new Coord(order[i][0] * tdim, order[i][1] * tdim), dim));
gl.glTexImage2D(
GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
0,
GL.GL_RGBA,
tdim,
tdim,
0,
GL.GL_RGBA,
GL.GL_UNSIGNED_BYTE,
data);
}
}
