diff options
Diffstat (limited to 'engine/src/core/com/jme3/shader/Uniform.java')
| -rw-r--r-- | engine/src/core/com/jme3/shader/Uniform.java | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/shader/Uniform.java b/engine/src/core/com/jme3/shader/Uniform.java new file mode 100644 index 0000000..228e097 --- /dev/null +++ b/engine/src/core/com/jme3/shader/Uniform.java @@ -0,0 +1,432 @@ +/* + * Copyright (c) 2009-2010 jMonkeyEngine + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * 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. + * + * * Neither the name of 'jMonkeyEngine' nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 THE COPYRIGHT OWNER 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. + */ + +package com.jme3.shader; + +import com.jme3.export.InputCapsule; +import com.jme3.export.JmeExporter; +import com.jme3.export.JmeImporter; +import com.jme3.export.OutputCapsule; +import com.jme3.math.*; +import com.jme3.util.BufferUtils; +import java.io.IOException; +import java.nio.FloatBuffer; + +public class Uniform extends ShaderVariable { + + private static final Integer ZERO_INT = Integer.valueOf(0); + private static final Float ZERO_FLT = Float.valueOf(0); + private static final FloatBuffer ZERO_BUF = BufferUtils.createFloatBuffer(4*4); + + /** + * Currently set value of the uniform. + */ + protected Object value = null; + protected FloatBuffer multiData = null; + + /** + * Type of uniform + */ + protected VarType varType; + + /** + * Binding to a renderer value, or null if user-defined uniform + */ + protected UniformBinding binding; + + protected boolean setByCurrentMaterial = false; +// protected Object lastChanger = null; + + @Override + public void write(JmeExporter ex) throws IOException{ + super.write(ex); + OutputCapsule oc = ex.getCapsule(this); + oc.write(varType, "varType", null); + oc.write(binding, "binding", null); + switch (varType){ + case Boolean: + oc.write( ((Boolean)value).booleanValue(), "valueBoolean", false ); + break; + case Float: + oc.write( ((Float)value).floatValue(), "valueFloat", 0); + break; + case FloatArray: + oc.write( (FloatBuffer)value, "valueFloatArray", null); + break; + case Int: + oc.write( ((Integer)value).intValue(), "valueInt", 0); + break; + case Matrix3: + oc.write( (Matrix3f)value, "valueMatrix3", null); + break; + case Matrix3Array: + case Matrix4Array: + case Vector2Array: + throw new UnsupportedOperationException("Come again?"); + case Matrix4: + oc.write( (Matrix4f)value, "valueMatrix4", null); + break; + case Vector2: + oc.write( (Vector2f)value, "valueVector2", null); + break; + case Vector3: + oc.write( (Vector3f)value, "valueVector3", null); + break; + case Vector3Array: + oc.write( (FloatBuffer)value, "valueVector3Array", null); + break; + case Vector4: + oc.write( (ColorRGBA)value, "valueVector4", null); + break; + case Vector4Array: + oc.write( (FloatBuffer)value, "valueVector4Array", null); + break; + } + } + + @Override + public void read(JmeImporter im) throws IOException{ + super.read(im); + InputCapsule ic = im.getCapsule(this); + varType = ic.readEnum("varType", VarType.class, null); + binding = ic.readEnum("binding", UniformBinding.class, null); + switch (varType){ + case Boolean: + value = ic.readBoolean("valueBoolean", false); + break; + case Float: + value = ic.readFloat("valueFloat", 0); + break; + case FloatArray: + value = ic.readFloatBuffer("valueFloatArray", null); + break; + case Int: + value = ic.readInt("valueInt", 0); + break; + case Matrix3: + multiData = ic.readFloatBuffer("valueMatrix3", null); + value = multiData; + break; + case Matrix4: + multiData = ic.readFloatBuffer("valueMatrix4", null); + value = multiData; + break; + case Vector2: + value = ic.readSavable("valueVector2", null); + break; + case Vector3: + value = ic.readSavable("valueVector3", null); + break; + case Vector3Array: + value = ic.readFloatBuffer("valueVector3Array", null); + break; + case Vector4: + value = ic.readSavable("valueVector4", null); + break; + case Vector4Array: + value = ic.readFloatBuffer("valueVector4Array", null); + break; + } + } + + @Override + public String toString(){ + StringBuilder sb = new StringBuilder(); + if (name != null){ + sb.append("Uniform[name="); + sb.append(name); + if (varType != null){ + sb.append(", type="); + sb.append(varType); + sb.append(", value="); + sb.append(value); + }else{ + sb.append(", value=<not set>"); + } + } + sb.append("]"); + return sb.toString(); + } + + public void setBinding(UniformBinding binding){ + this.binding = binding; + } + + public UniformBinding getBinding(){ + return binding; + } + + public VarType getVarType() { + return varType; + } + + public Object getValue(){ + return value; + } + + public boolean isSetByCurrentMaterial() { + return setByCurrentMaterial; + } + + public void clearSetByCurrentMaterial(){ + setByCurrentMaterial = false; + } + +// public void setLastChanger(Object lastChanger){ +// this.lastChanger = lastChanger; +// } +// +// public Object getLastChanger(){ +// return lastChanger; +// } + + public void clearValue(){ + updateNeeded = true; + + if (multiData != null){ + ZERO_BUF.clear(); + multiData.clear(); + + while (multiData.remaining() > 0){ + ZERO_BUF.limit( Math.min(multiData.remaining(), 16) ); + multiData.put(ZERO_BUF); + } + + multiData.clear(); + + return; + } + + if (varType == null) + return; + + switch (varType){ + case Int: + this.value = ZERO_INT; + break; + case Boolean: + this.value = Boolean.FALSE; + break; + case Float: + this.value = ZERO_FLT; + break; + case Vector2: + this.value = Vector2f.ZERO; + break; + case Vector3: + this.value = Vector3f.ZERO; + break; + case Vector4: + if (this.value instanceof ColorRGBA){ + this.value = ColorRGBA.BlackNoAlpha; + }else{ + this.value = Quaternion.ZERO; + } + break; + default: + break; // won't happen because those are either textures + // or multidata types + } + } + + public void setValue(VarType type, Object value){ + if (location == -1) + return; + + if (varType != null && varType != type) + throw new IllegalArgumentException("Expected a "+varType.name()+" value!"); + + if (value == null) + throw new NullPointerException(); + + setByCurrentMaterial = true; + + switch (type){ + case Matrix3: + Matrix3f m3 = (Matrix3f) value; + if (multiData == null) + multiData = BufferUtils.createFloatBuffer(9); + + m3.fillFloatBuffer(multiData, true); + multiData.clear(); + break; + case Matrix4: + Matrix4f m4 = (Matrix4f) value; + if (multiData == null) + multiData = BufferUtils.createFloatBuffer(16); + + m4.fillFloatBuffer(multiData, true); + multiData.clear(); + break; + case FloatArray: + float[] fa = (float[]) value; + if (multiData == null){ + multiData = BufferUtils.createFloatBuffer(fa); + }else{ + multiData = BufferUtils.ensureLargeEnough(multiData, fa.length); + } + + multiData.put(fa); + multiData.clear(); + break; + case Vector2Array: + Vector2f[] v2a = (Vector2f[]) value; + if (multiData == null){ + multiData = BufferUtils.createFloatBuffer(v2a); + } else { + multiData = BufferUtils.ensureLargeEnough(multiData, v2a.length * 2); + } + + for (int i = 0; i < v2a.length; i++) + BufferUtils.setInBuffer(v2a[i], multiData, i); + + multiData.clear(); + break; + case Vector3Array: + Vector3f[] v3a = (Vector3f[]) value; + if (multiData == null){ + multiData = BufferUtils.createFloatBuffer(v3a); + } else{ + multiData = BufferUtils.ensureLargeEnough(multiData, v3a.length * 3); + } + + for (int i = 0; i < v3a.length; i++) + BufferUtils.setInBuffer(v3a[i], multiData, i); + + multiData.clear(); + break; + case Vector4Array: + Quaternion[] v4a = (Quaternion[]) value; + if (multiData == null){ + multiData = BufferUtils.createFloatBuffer(v4a); + } else { + multiData = BufferUtils.ensureLargeEnough(multiData, v4a.length * 4); + } + + for (int i = 0; i < v4a.length; i++) + BufferUtils.setInBuffer(v4a[i], multiData, i); + + multiData.clear(); + break; + case Matrix3Array: + Matrix3f[] m3a = (Matrix3f[]) value; + + if (multiData == null) + multiData = BufferUtils.createFloatBuffer(m3a.length * 9); + else{ + multiData = BufferUtils.ensureLargeEnough(multiData, m3a.length * 9); + } + + for (int i = 0; i < m3a.length; i++) + m3a[i].fillFloatBuffer(multiData, true); + + multiData.clear(); + break; + case Matrix4Array: + Matrix4f[] m4a = (Matrix4f[]) value; + + if (multiData == null) + multiData = BufferUtils.createFloatBuffer(m4a.length * 16); + else{ + multiData = BufferUtils.ensureLargeEnough(multiData, m4a.length * 16); + } + + for (int i = 0; i < m4a.length; i++) + m4a[i].fillFloatBuffer(multiData, true); + + multiData.clear(); + break; + // Only use check if equals optimization for primitive values + case Int: + case Float: + case Boolean: + if (this.value != null && this.value.equals(value)) + return; + + this.value = value; + break; + default: + this.value = value; + break; + } + + if (multiData != null) + this.value = multiData; + + varType = type; + updateNeeded = true; + } + + public void setVector4Length(int length){ + if (location == -1) + return; + + FloatBuffer fb = (FloatBuffer) value; + if (fb == null || fb.capacity() < length){ + value = BufferUtils.createFloatBuffer(length * 4); + } + + varType = VarType.Vector4Array; + updateNeeded = true; + setByCurrentMaterial = true; + } + + public void setVector4InArray(float x, float y, float z, float w, int index){ + if (location == -1) + return; + + if (varType != null && varType != VarType.Vector4Array) + throw new IllegalArgumentException("Expected a "+varType.name()+" value!"); + + FloatBuffer fb = (FloatBuffer) value; + fb.position(index * 4); + fb.put(x).put(y).put(z).put(w); + fb.rewind(); + updateNeeded = true; + setByCurrentMaterial = true; + } + + public boolean isUpdateNeeded(){ + return updateNeeded; + } + + public void clearUpdateNeeded(){ + updateNeeded = false; + } + + public void reset(){ + setByCurrentMaterial = false; + location = -2; + updateNeeded = true; + } + +} |