diff options
| author | Kenneth Russel <kbrussel@alum.mit.edu> | 2009-06-15 22:57:38 +0000 |
|---|---|---|
| committer | Kenneth Russel <kbrussel@alum.mit.edu> | 2009-06-15 22:57:38 +0000 |
| commit | a959c53b7ac91e489bf0959391e892790b9ff248 (patch) | |
| tree | 4664742a4f9f6daa694364292e376ad2e6ee97d1 /src/jogl/classes/javax/media/opengl/GLUniformData.java | |
| parent | 506b634b780dcd23aa61015c2ceba3e687196abf (diff) | |
Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now closed
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/jogl/classes/javax/media/opengl/GLUniformData.java')
| -rw-r--r-- | src/jogl/classes/javax/media/opengl/GLUniformData.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/jogl/classes/javax/media/opengl/GLUniformData.java b/src/jogl/classes/javax/media/opengl/GLUniformData.java new file mode 100644 index 000000000..8b5fb1a03 --- /dev/null +++ b/src/jogl/classes/javax/media/opengl/GLUniformData.java @@ -0,0 +1,156 @@ + +package javax.media.opengl; + +import java.nio.*; + +public class GLUniformData { + + /** + * int atom + * + * Number of objects is 1 + * + * @arg components number of elements of one object, ie 4 for GL_FLOAT_VEC4, + */ + public GLUniformData(String name, int val) { + init(name, 1, new Integer(val)); + } + + /** + * float atom + * + * Number of objects is 1 + * + * @arg components number of elements of one object, ie 4 for GL_FLOAT_VEC4, + */ + public GLUniformData(String name, float val) { + init(name, 1, new Float(val)); + } + + /** + * Multiple IntBuffer Vector + * + * Number of objects is calculated by data.limit()/components + * + * @arg 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 + * + * @arg 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) + * + * @arg rows the matrix rows + * @arg column the matrix column + */ + public GLUniformData(String name, int rows, int columns, FloatBuffer data) { + init(name, rows, columns, data); + } + + public void setData(int data) { init(new Integer(data)); } + public void setData(float data) { init(new Float(data)); } + public void setData(IntBuffer data) { init(data); } + public void setData(FloatBuffer data) { init(data); } + + 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) { + int sz = rows*columns; + Buffer buffer = (Buffer)data; + if(buffer.limit()<sz || 0!=buffer.limit()%sz) { + throw new GLException("data buffer size invalid: new buffer limit: "+buffer.limit()+"\n\t"+this); + } + this.count=buffer.limit()/(rows*columns); + } else { + if(isMatrix) { + throw new GLException("Atom type not allowed for matrix : "+this); + } + this.count=1; + } + this.data=data; + } + + public String getName() { return name; } + + public int getLocation() { return location; } + + /** + * Sets the determined location of the shader uniform. + */ + public void setLocation(int location) { this.location=location; } + + public Object getObject() { + return data; + } + public Buffer getBuffer() { + return (data instanceof Buffer)?(Buffer)data:null; + } + public boolean isBuffer() { + return (data instanceof Buffer); + } + public boolean isMatrix() { return isMatrix; } + + public int count() { return count; } + public int components() { return rows*columns; } + public int rows() { return rows; } + public int columns() { return columns; } + + private String name; + private int location; + private int rows, columns; + private int count; + private Object data; + private boolean isMatrix; +} |