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/**
* Copyright (C) 2011 JogAmp Community. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.jogamp.opengl.demos.es2;
import java.nio.FloatBuffer;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLBufferStorage;
import com.jogamp.opengl.GLException;
import com.jogamp.opengl.GLUniformData;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.glsl.ShaderState;
import com.jogamp.opengl.demos.GearsObject;
/**
* GearsObjectES2.java <BR>
* @author Brian Paul (converted to Java by Ron Cemer and Sven Gothel) <P>
*/
public class GearsObjectES2 extends GearsObject {
final PMVMatrix pmvMatrix;
final GLUniformData pmvMatrixUniform;
final GLUniformData colorUniform;
final ShaderState st;
public GearsObjectES2(final GL gl, final boolean useMappedBuffers, final ShaderState st, final FloatBuffer gearColor,
final float inner_radius, final float outer_radius,
final float width,
final int teeth,
final float tooth_depth, final PMVMatrix pmvMatrix, final GLUniformData pmvMatrixUniform, final GLUniformData colorUniform, final boolean validateBuffers)
{
super(gl, useMappedBuffers, gearColor, inner_radius, outer_radius, width, teeth, tooth_depth, validateBuffers);
this.pmvMatrix = pmvMatrix;
this.pmvMatrixUniform = pmvMatrixUniform;
this.colorUniform = colorUniform;
this.st = st;
associate(st);
}
public GearsObjectES2(final GearsObjectES2 shared,
final ShaderState st,
final PMVMatrix pmvMatrix,
final GLUniformData pmvMatrixUniform, final GLUniformData colorUniform)
{
super(shared);
this.pmvMatrix = pmvMatrix;
this.pmvMatrixUniform = pmvMatrixUniform;
this.colorUniform = colorUniform;
this.st = st;
associate(st);
}
private void associate(final ShaderState st) {
frontFace.associate(st, true);
frontSide.associate(st, true);
backFace.associate(st, true);
backSide.associate(st, true);
outwardFace.associate(st, true);
insideRadiusCyl.associate(st, true);
}
@Override
public GLArrayDataServer createInterleaved(final boolean useMappedBuffers, final int comps, final int dataType, final boolean normalized, final int initialSize, final int vboUsage) {
if( useMappedBuffers ) {
return GLArrayDataServer.createGLSLInterleavedMapped(comps, dataType, normalized, initialSize, vboUsage);
} else {
return GLArrayDataServer.createGLSLInterleaved(comps, dataType, normalized, initialSize, vboUsage);
}
}
@Override
public void addInterleavedVertexAndNormalArrays(final GLArrayDataServer array, final int components) {
array.addGLSLSubArray("vertices", components, GL.GL_ARRAY_BUFFER);
array.addGLSLSubArray("normals", components, GL.GL_ARRAY_BUFFER);
}
private void draw(final GL2ES2 gl, final GLArrayDataServer array, final int mode, final int face) {
if( !isShared || gl.glIsBuffer(array.getVBOName()) ) {
if( validateBuffers ) {
array.bindBuffer(gl, true);
final int bufferTarget = array.getVBOTarget();
final int bufferName = array.getVBOName();
final long bufferSize = array.getSizeInBytes();
final int hasBufferName = gl.getBoundBuffer(bufferTarget);
final GLBufferStorage hasStorage = gl.getBufferStorage(hasBufferName);
final boolean ok = bufferName == hasBufferName &&
bufferName == hasStorage.getName() &&
bufferSize == hasStorage.getSize();
if( !ok ) {
throw new GLException("GLBufferStorage Validation Error: Target[exp 0x"+Integer.toHexString(bufferTarget)+", has 0x"+Integer.toHexString(bufferTarget)+
", Name[exp "+bufferName+", has "+hasBufferName+", Size exp "+bufferSize+", Storage "+hasStorage+"]");
}
}
array.enableBuffer(gl, true);
// System.err.println("XXX Draw face "+face+" of "+this);
gl.glDrawArrays(mode, 0, array.getElemCount());
array.enableBuffer(gl, false);
}
}
@Override
public void draw(final GL _gl, final float x, final float y, final float angle) {
final GL2ES2 gl = _gl.getGL2ES2();
pmvMatrix.glPushMatrix();
pmvMatrix.glTranslatef(x, y, 0f);
pmvMatrix.glRotatef(angle, 0f, 0f, 1f);
if( pmvMatrix.update() ) {
st.uniform(gl, pmvMatrixUniform);
} else {
throw new InternalError("PMVMatrix.update() returns false after mutable operations");
}
colorUniform.setData(gearColor);
st.uniform(gl, colorUniform);
draw(gl, frontFace, GL.GL_TRIANGLE_STRIP, 0);
draw(gl, frontSide, GL.GL_TRIANGLES, 1);
draw(gl, backFace, GL.GL_TRIANGLE_STRIP, 2);
draw(gl, backSide, GL.GL_TRIANGLES, 3);
draw(gl, outwardFace, GL.GL_TRIANGLE_STRIP, 4);
draw(gl, insideRadiusCyl, GL.GL_TRIANGLE_STRIP, 5);
pmvMatrix.glPopMatrix();
}
}
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