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Re added nifty optimization to not render fully transparent quads

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10936 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
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rem..om 2013-12-09 08:27:38 +00:00
parent d6f3b4a5bc
commit 79def7aa8f
1 changed files with 14 additions and 7 deletions
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21
engine/src/niftygui/com/jme3/niftygui/RenderDeviceJme.java
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@ -333,15 +333,22 @@ public class RenderDeviceJme implements RenderDevice {
} }
public void renderQuad(int x, int y, int width, int height, Color color) { public void renderQuad(int x, int y, int width, int height, Color color) {
colorMaterial.setColor("Color", convertColor(color, tempColor)); //We test for alpha >0 as an optimization to prevent the render of completely transparent quads.
//Nifty use layers that are often used for logical positionning and not rendering.
//each layer is rendered as a quad, but that can bump up the number of geometry rendered by a lot.
//Since we disable depth write, there is absolutely no point in rendering those quads
//This optimization can result in a huge increase of perfs on complex Nifty UIs.
if(color.getAlpha() >0){
colorMaterial.setColor("Color", convertColor(color, tempColor));
tempMat.loadIdentity(); tempMat.loadIdentity();
tempMat.setTranslation(x, getHeight() - y, 0); tempMat.setTranslation(x, getHeight() - y, 0);
tempMat.setScale(width, height, 0); tempMat.setScale(width, height, 0);
rm.setWorldMatrix(tempMat); rm.setWorldMatrix(tempMat);
rm.setForcedRenderState(renderState); rm.setForcedRenderState(renderState);
colorMaterial.render(quadGeom, rm); colorMaterial.render(quadGeom, rm);
}
//System.out.format("renderQuad1(%d, %d, %d, %d, %s)\n", x, y, width, height, color.toString()); //System.out.format("renderQuad1(%d, %d, %d, %d, %s)\n", x, y, width, height, color.toString());
} }