package javax.media.opengl; import java.nio.*; public class GLUniformData { /** * int atom * * Number of objects is 1 * */ public GLUniformData(String name, int val) { init(name, 1, new Integer(val)); } /** * float atom * * Number of objects is 1 * */ public GLUniformData(String name, float val) { init(name, 1, new Float(val)); } /** * Multiple IntBuffer Vector * * Number of objects is calculated by data.limit()/components * * @param components number of elements of one object, ie 4 for GL_FLOAT_VEC4, */ public GLUniformData(String name, int components, IntBuffer data) { init(name, components, data); } /** * Multiple FloatBuffer Vector * * Number of objects is calculated by data.limit()/components * * @param components number of elements of one object, ie 4 for GL_FLOAT_VEC4, */ public GLUniformData(String name, int components, FloatBuffer data) { init(name, components, data); } /** * Multiple FloatBuffer Matrix * * Number of objects is calculated by data.limit()/(rows*columns) * * @param rows the matrix rows * @param column the matrix column */ public GLUniformData(String name, int rows, int columns, FloatBuffer data) { init(name, rows, columns, data); } public GLUniformData setData(int data) { init(new Integer(data)); return this; } public GLUniformData setData(float data) { init(new Float(data)); return this; } public GLUniformData setData(IntBuffer data) { init(data); return this; } public GLUniformData setData(FloatBuffer data) { init(data); return this; } public int intValue() { return ((Integer)data).intValue(); }; public float floatValue() { return ((Float)data).floatValue(); }; public IntBuffer intBufferValue() { return (IntBuffer)data; }; public FloatBuffer floatBufferValue() { return (FloatBuffer)data; }; public String toString() { return "GLUniformData[name "+name+ ", location "+location+ ", size "+rows+"*"+columns+ ", count "+count+ ", matrix "+isMatrix+ ", data "+data+ "]"; } private void init(String name, int rows, int columns, Object data) { if( 2>rows || rows>4 || 2>columns || columns>4 ) { throw new GLException("rowsXcolumns must be within [2..4]X[2..4], is: "+rows+"X"+columns); } this.name=name; this.rows=rows; this.columns=columns; this.isMatrix=true; this.location=-1; init(data); } private void init(String name, int components, Object data) { if( 1>components || components>4 ) { throw new GLException("components must be within [1..4], is: "+components); } this.name=name; this.columns=components; this.rows=1; this.isMatrix=false; this.location=-1; init(data); } private void init(Object data) { if(data instanceof Buffer) { final int sz = rows*columns; final Buffer buffer = (Buffer)data; if(buffer.limit()