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Allow modifing of the tess factor with keys a and y

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This commit is contained in:
michael 2015-02-28 13:53:36 +01:00
parent 273ad711bf
commit 1cce72cd0a
2 changed files with 45 additions and 14 deletions
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45
jme3-examples/src/main/java/jme3test/material/TestTessellationShader.java
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@ -1,6 +1,9 @@
package jme3test.material; package jme3test.material;
import com.jme3.app.SimpleApplication; import com.jme3.app.SimpleApplication;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.AnalogListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.material.Material; import com.jme3.material.Material;
import com.jme3.scene.Geometry; import com.jme3.scene.Geometry;
import com.jme3.scene.Mesh; import com.jme3.scene.Mesh;
@ -8,27 +11,55 @@ import com.jme3.scene.VertexBuffer;
import com.jme3.scene.shape.Quad; import com.jme3.scene.shape.Quad;
import com.jme3.util.BufferUtils; import com.jme3.util.BufferUtils;
import java.util.concurrent.Callable;
/** /**
* Created by michael on 28.02.15. * Created by michael on 28.02.15.
*/ */
public class TestTessellationShader extends SimpleApplication { public class TestTessellationShader extends SimpleApplication {
Material tessellationMaterial;
int tessFactor=5;
@Override @Override
public void simpleInitApp() { public void simpleInitApp() {
Material material = new Material(getAssetManager(), "Materials/Tess/SimpleTess.j3md"); tessellationMaterial = new Material(getAssetManager(), "Materials/Tess/SimpleTess.j3md");
material.setInt("TessellationFactor", 5); tessellationMaterial.setInt("TessellationFactor", tessFactor);
material.getAdditionalRenderState().setWireframe(true); tessellationMaterial.getAdditionalRenderState().setWireframe(true);
Quad quad = new Quad(10, 10); Quad quad = new Quad(10, 10);
quad.clearBuffer(VertexBuffer.Type.Index); quad.clearBuffer(VertexBuffer.Type.Index);
quad.setBuffer(VertexBuffer.Type.Index, 4, BufferUtils.createIntBuffer(0, 1, 2, 3)); quad.setBuffer(VertexBuffer.Type.Index, 4, BufferUtils.createIntBuffer(0, 1, 2, 3));
quad.setMode(Mesh.Mode.Patch); quad.setMode(Mesh.Mode.Patch);
quad.setPatchVertexCount(4); quad.setPatchVertexCount(4);
Geometry geometry = new Geometry("tessTest", quad); Geometry geometry = new Geometry("tessTest", quad);
geometry.setMaterial(material); geometry.setMaterial(tessellationMaterial);
rootNode.attachChild(geometry); rootNode.attachChild(geometry);
Geometry geometry1 = new Geometry("Demo", new Quad(2, 2)); getInputManager().addMapping("TessUp", new KeyTrigger(KeyInput.KEY_A));
geometry1.setMaterial(new Material(getAssetManager(),"Common/MatDefs/Misc/Unshaded.j3md")); getInputManager().addMapping("TessDo", new KeyTrigger(KeyInput.KEY_Y));
rootNode.attachChild(geometry1); getInputManager().addListener(new AnalogListener() {
@Override
public void onAnalog(String name, float value, float tpf) {
if(name.equals("TessUp")){
tessFactor++;
enqueue(new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
tessellationMaterial.setInt("TessellationFactor",tessFactor);
return true;
}
});
}
if(name.equals("TessDo")){
tessFactor--;
enqueue(new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
tessellationMaterial.setInt("TessellationFactor",tessFactor);
return true;
}
});
}
}
},"TessUp","TessDo");
} }
public static void main(String[] args) { public static void main(String[] args) {

14
jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.tseval
View File

@ -2,16 +2,16 @@ layout(vertices=4) out;
out gl_PerVertex{ out gl_PerVertex{
vec4 gl_Position; vec4 gl_Position;
}gl_out[]; }gl_out[];
uniform int mTessellationFactor; uniform int m_TessellationFactor;
void main(){ void main(){
if (gl_InvocationID == 0){ if (gl_InvocationID == 0){
gl_TessLevelOuter[0]=5; gl_TessLevelOuter[0]=m_TessellationFactor;
gl_TessLevelOuter[1]=5; gl_TessLevelOuter[1]=m_TessellationFactor;
gl_TessLevelOuter[2]=5; gl_TessLevelOuter[2]=m_TessellationFactor;
gl_TessLevelOuter[3]=5; gl_TessLevelOuter[3]=m_TessellationFactor;
gl_TessLevelInner[0]=5; gl_TessLevelInner[0]=m_TessellationFactor;
gl_TessLevelInner[1]=5; gl_TessLevelInner[1]=m_TessellationFactor;
} }
gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position; gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
} }