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/**
* Copyright 2011 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.opengl.util.glsl;
import javax.media.opengl.GL;
import javax.media.opengl.GL2ES2;
import jogamp.opengl.util.GLArrayHandlerFlat;
import com.jogamp.opengl.util.GLArrayDataWrapper;
import com.jogamp.opengl.util.glsl.ShaderState;
/**
* Used for interleaved GLSL arrays, i.e. where the buffer data itself is handled
* separately and interleaves many arrays.
*/
public class GLSLArrayHandlerFlat implements GLArrayHandlerFlat {
private GLArrayDataWrapper ad;
public GLSLArrayHandlerFlat(GLArrayDataWrapper ad) {
this.ad = ad;
}
public GLArrayDataWrapper getData() {
return ad;
}
public final void syncData(GL gl, Object ext) {
final GL2ES2 glsl = gl.getGL2ES2();
if( null != ext ) {
((ShaderState)ext).vertexAttribPointer(glsl, ad);
} else {
if( 0 <= ad.getLocation() ) {
glsl.glVertexAttribPointer(ad);
}
}
/**
* Due to probable application VBO switching, this might not make any sense ..
*
if(!written) {
st.vertexAttribPointer(glsl, ad);
} else if(st.getAttribLocation(glsl, ad) >= 0) {
final int[] qi = new int[1];
glsl.glGetVertexAttribiv(ad.getLocation(), GL2ES2.GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, qi, 0);
if(ad.getVBOName() != qi[0]) {
System.err.println("XXX1: "+ad.getName()+", vbo ad "+ad.getVBOName()+", gl "+qi[0]+", "+ad);
st.vertexAttribPointer(glsl, ad);
} else {
System.err.println("XXX0: "+ad.getName()+", vbo ad "+ad.getVBOName()+", gl "+qi[0]+", "+ad);
}
}*/
}
public final void enableState(GL gl, boolean enable, Object ext) {
final GL2ES2 glsl = gl.getGL2ES2();
if( null != ext ) {
final ShaderState st = (ShaderState)ext;
if(enable) {
st.enableVertexAttribArray(glsl, ad);
} else {
st.disableVertexAttribArray(glsl, ad);
}
} else {
final int location = ad.getLocation();
if( 0 <= location ) {
if(enable) {
glsl.glEnableVertexAttribArray(location);
} else {
glsl.glDisableVertexAttribArray(location);
}
}
}
}
}
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