1 files changed, 126 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java b/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java
new file mode 100644
index 000000000..4c4a325ae
--- /dev/null
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java
@@ -0,0 +1,126 @@
+/**
+ * Copyright 2010 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.graph.curve.opengl;
+
+import java.nio.FloatBuffer;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GLProfile;
+import javax.media.opengl.GLUniformData;
+import javax.media.opengl.fixedfunc.GLMatrixFunc;
+
+import jogamp.graph.curve.opengl.shader.UniformNames;
+
+import com.jogamp.common.os.Platform;
+import com.jogamp.common.util.VersionUtil;
+import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+public class RenderStateImpl implements RenderState {
+    
+    public final ShaderState st;
+    public final Vertex.Factory<? extends Vertex> pointFactory;    
+    public final PMVMatrix pmvMatrix;
+    public final GLUniformData mgl_PMVMatrix;                    
+        
+    /**
+     * Sharpness is equivalent to the texture-coord component <i>t</i>
+     * on the off-curve vertex. Higher values of sharpness will 
+     * result in higher curvature.
+     */
+    public final GLUniformData mgl_sharpness;
+    public final GLUniformData mgl_alpha;
+    public final GLUniformData mgl_colorStatic;
+    public final GLUniformData mgl_strength;
+
+    public static final RenderState getRenderState(GL gl) {
+        return (RenderState) gl.getContext().getAttachedObject(RenderState.class.getName());
+    }
+    
+    public RenderStateImpl(ShaderState st, Vertex.Factory<? extends Vertex> pointFactory, PMVMatrix pmvMatrix) {
+        this.st = st;
+        this.pointFactory = pointFactory;
+        this.pmvMatrix = pmvMatrix;        
+        this.mgl_PMVMatrix = new GLUniformData(UniformNames.gcu_PMVMatrix, 4, 4, pmvMatrix.glGetPMvMatrixf());
+        
+        mgl_sharpness = new GLUniformData(UniformNames.gcu_P1Y, 0.5f);
+        mgl_alpha = new GLUniformData(UniformNames.gcu_Alpha, 1.0f);
+        mgl_colorStatic = new GLUniformData(UniformNames.gcu_ColorStatic, 3, FloatBuffer.allocate(3));
+        mgl_strength = new GLUniformData(UniformNames.gcu_Strength, 3.0f);
+    }
+    
+    public RenderStateImpl(ShaderState st, Vertex.Factory<? extends Vertex> pointFactory) {
+        this(st, pointFactory, new PMVMatrix());
+        
+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+        pmvMatrix.glLoadIdentity();
+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+        pmvMatrix.glLoadIdentity();        
+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+        pmvMatrix.glLoadIdentity();        
+    }
+    
+    public final ShaderState getShaderState() { return st; }
+    public final Vertex.Factory<? extends Vertex> getPointFactory () { return pointFactory; }
+    public final PMVMatrix getPMVMatrix() { return pmvMatrix; }
+    public final GLUniformData getPMVMatrixUniform() { return mgl_PMVMatrix; }
+    public final GLUniformData getSharpness() { return mgl_sharpness; }
+    public final GLUniformData getAlpha() { return mgl_alpha; }
+    public final GLUniformData getColorStatic() { return mgl_colorStatic; }
+    public final GLUniformData getStrength() { return mgl_strength; }
+    
+    public final RenderState attachTo(GL gl) {
+        return (RenderState) gl.getContext().attachObject(RenderState.class.getName(), this);
+    }
+    public final boolean detachFrom(GL gl) {
+        RenderState _rs = (RenderState) gl.getContext().getAttachedObject(RenderState.class.getName());
+        if(_rs == this) {
+            gl.getContext().detachObject(RenderState.class.getName());
+            return true;
+        }
+        return false;
+    }    
+    
+    public StringBuilder toString(StringBuilder sb) {
+        if(null==sb) {
+            sb = new StringBuilder();
+        }
+
+        sb.append("RenderState[");
+        st.toString(sb).append(Platform.getNewline());
+        sb.append("]");
+
+        return sb;
+    }
+    
+    public String toString() {
+        return toString(null).toString();
+    }    
+}