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72 lines
2.6 KiB
72 lines
2.6 KiB
8 years ago
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package com.jme3.post;
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import com.jme3.app.VRApplication;
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import com.jme3.post.Filter.Pass;
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import com.jme3.renderer.Caps;
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import com.jme3.renderer.RenderManager;
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import com.jme3.renderer.Renderer;
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import com.jme3.renderer.ViewPort;
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import com.jme3.texture.FrameBuffer;
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/**
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* Pre normal caching class.
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* @author reden - phr00t - https://github.com/phr00t
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* @author Julien Seinturier - (c) 2016 - JOrigin project - <a href="http://www.jorigin.org">http:/www.jorigin.org</a>
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*/
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public class PreNormalCaching {
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private static FrameBuffer cachedPreNormals;
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private static int lastNormalPassesCount, curCount;
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/**
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* Get pre-normals from the given rendering.
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* @param renderManager the render manager.
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* @param normalPass the normal pass.
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* @param viewPort the viewport.
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*/
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public static void getPreNormals(RenderManager renderManager, Pass normalPass, ViewPort viewPort) {
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curCount++;
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// do we already have a valid cache to set the framebuffer to?
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Renderer r = renderManager.getRenderer();
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if( cachedPreNormals != null ) {
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r.copyFrameBuffer(cachedPreNormals, normalPass.getRenderFrameBuffer(), false);
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} else {
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// lets make the prenormals
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r.setFrameBuffer(normalPass.getRenderFrameBuffer());
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renderManager.getRenderer().clearBuffers(true, true, true);
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if( renderManager.getRenderer().getCaps().contains(Caps.GLSL150) ) {
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renderManager.setForcedTechnique("PreNormalPass15");
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} else {
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renderManager.setForcedTechnique("PreNormalPass");
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}
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renderManager.renderViewPortQueues(viewPort, false);
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renderManager.setForcedTechnique(null);
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// if we should cache this, do it now
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if( lastNormalPassesCount > 1 ) {
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cachedPreNormals = normalPass.getRenderFrameBuffer();
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}
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}
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renderManager.getRenderer().setFrameBuffer(viewPort.getOutputFrameBuffer());
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}
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/**
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*
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*/
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public static void resetCache() {
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if( VRApplication.isInVR() == false ) {
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// only use this feature if we are NOT in VR
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// we can't use the same normal information for another eye,
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// because it will be different!
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lastNormalPassesCount = curCount;
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}
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cachedPreNormals = null;
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curCount = 0;
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}
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}
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