sigonasr2
/
jmonkeyengine
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

optimize clearing shadow maps

Browse Source
in-pass-shadows
Kirill Vainer 7 years ago
parent 1e861fd2fa
commit 47b34c6de5
6 changed files with 45 additions and 48 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 8
      jme3-core/src/main/java/com/jme3/shadow/next/PreShadowArrayRenderer.java
  2. 22
      jme3-core/src/main/java/com/jme3/shadow/next/array/BaseArrayShadowMapSlice.java
  3. 8
      jme3-core/src/main/java/com/jme3/shadow/next/array/DirectionalArrayShadowMap.java
  4. 11
      jme3-core/src/main/java/com/jme3/shadow/next/array/DirectionalArrayShadowMapSlice.java
  5. 5
      jme3-core/src/main/java/com/jme3/shadow/next/array/SpotArrayShadowMap.java
  6. 29
      jme3-core/src/main/java/com/jme3/shadow/next/array/SpotArrayShadowMapSlice.java

8
jme3-core/src/main/java/com/jme3/shadow/next/PreShadowArrayRenderer.java
Unescape View File

@ -148,16 +148,14 @@ public class PreShadowArrayRenderer implements SceneProcessor {
array,
nextArraySlice,
textureSize,
directionalParams.getNumSplits(),
points);
directionalParams.getNumSplits());
break;
case Spot:
shadowMap = new SpotArrayShadowMap(
(SpotLight) light,
array,
nextArraySlice,
textureSize,
points);
textureSize);
break;
default:
throw new UnsupportedOperationException();
@ -202,7 +200,7 @@ public class PreShadowArrayRenderer implements SceneProcessor {
switch (shadowMap.getLightType()) {
case Directional:
DirectionalArrayShadowMap directionalShadow = (DirectionalArrayShadowMap) shadowMap;
directionalShadow.renderShadowMap(renderManager, viewPort, directionalParams, shadowCasters);
directionalShadow.renderShadowMap(renderManager, viewPort, directionalParams, shadowCasters, points);
break;
case Spot:
SpotArrayShadowMap spotShadow = (SpotArrayShadowMap) shadowMap;

22
jme3-core/src/main/java/com/jme3/shadow/next/array/BaseArrayShadowMapSlice.java
Unescape View File

@ -33,7 +33,6 @@ package com.jme3.shadow.next.array;
import com.jme3.light.Light;
import com.jme3.math.Matrix4f;
import com.jme3.math.Vector3f;
import com.jme3.renderer.Camera;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.Renderer;
@ -51,12 +50,18 @@ public class BaseArrayShadowMapSlice<T extends Light> implements ArrayShadowMapS
protected final FrameBuffer frameBuffer;
protected final Camera shadowCamera;
protected final Vector3f[] points;
protected final Matrix4f biasedViewProjectionMatrix = new Matrix4f();
public BaseArrayShadowMapSlice(TextureArray array, int layer, int textureSize, Vector3f[] points) {
protected boolean fbNeedClear = true;
public BaseArrayShadowMapSlice(TextureArray array, int layer, int textureSize, boolean useBorder) {
this.shadowCamera = new Camera(textureSize, textureSize);
this.shadowCamera.setParallelProjection(true);
if (useBorder) {
float onePx = 1f / textureSize;
this.shadowCamera.setViewPort(onePx, 1f - onePx, onePx, 1f - onePx);
}
this.frameBuffer = new FrameBuffer(textureSize, textureSize, 1);
Image image = array.getImage();
@ -64,7 +69,6 @@ public class BaseArrayShadowMapSlice<T extends Light> implements ArrayShadowMapS
image.addData(null);
this.frameBuffer.setDepthTexture(array, layer);
this.points = points;
}
@Override
@ -76,11 +80,17 @@ public class BaseArrayShadowMapSlice<T extends Light> implements ArrayShadowMapS
public void renderShadowMap(RenderManager renderManager, Light light, ViewPort viewPort, GeometryList shadowCasters) {
Renderer renderer = renderManager.getRenderer();
if (fbNeedClear) {
renderer.setFrameBuffer(frameBuffer);
renderManager.setCamera(shadowCamera, false);
renderer.clearBuffers(false, true, false);
fbNeedClear = false;
}
if (shadowCasters.size() > 0) {
renderManager.setCamera(shadowCamera, false);
viewPort.getQueue().renderShadowQueue(shadowCasters, renderManager, shadowCamera, true);
fbNeedClear = true;
}
BIAS_MATRIX.mult(shadowCamera.getViewProjectionMatrix(), biasedViewProjectionMatrix);
}

8
jme3-core/src/main/java/com/jme3/shadow/next/array/DirectionalArrayShadowMap.java
Unescape View File

@ -48,23 +48,23 @@ public class DirectionalArrayShadowMap extends BaseArrayShadowMap<DirectionalArr
private final DirectionalLight light;
private final Vector3f projectionSplitPositions = new Vector3f();
public DirectionalArrayShadowMap(DirectionalLight light, TextureArray array, int firstArraySlice, int textureSize, int numSplits, Vector3f[] points) {
public DirectionalArrayShadowMap(DirectionalLight light, TextureArray array, int firstArraySlice, int textureSize, int numSplits) {
super(array, firstArraySlice);
this.light = light;
this.slices = new DirectionalArrayShadowMapSlice[numSplits];
for (int i = 0; i < numSplits; i++) {
this.slices[i] = new DirectionalArrayShadowMapSlice(array, firstArraySlice + i, textureSize, points);
this.slices[i] = new DirectionalArrayShadowMapSlice(array, firstArraySlice + i, textureSize);
}
}
public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, DirectionalShadowParameters params, GeometryList shadowCasters) {
public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, DirectionalShadowParameters params, GeometryList shadowCasters, Vector3f[] points) {
projectionSplitPositions.set(params.getProjectionSplitPositions());
float[] splitPositionsViewSpace = params.getSplitPositions();
for (int i = 0; i < slices.length; i++) {
float near = splitPositionsViewSpace[i];
float far = splitPositionsViewSpace[i + 1];
shadowCasters.clear();
slices[i].updateShadowCamera(viewPort, light, shadowCasters, near, far);
slices[i].updateShadowCamera(viewPort, light, shadowCasters, near, far, points);
slices[i].renderShadowMap(renderManager, light, viewPort, shadowCasters);
}
}

11
jme3-core/src/main/java/com/jme3/shadow/next/array/DirectionalArrayShadowMapSlice.java
Unescape View File

@ -39,13 +39,12 @@ import com.jme3.shadow.ShadowUtil;
import com.jme3.texture.TextureArray;
/**
*
* @author Kirill Vainer
*/
public class DirectionalArrayShadowMapSlice extends BaseArrayShadowMapSlice<DirectionalLight> {
public DirectionalArrayShadowMapSlice(TextureArray array, int layer, int textureSize, Vector3f[] points) {
super(array, layer, textureSize, points);
public DirectionalArrayShadowMapSlice(TextureArray array, int layer, int textureSize) {
super(array, layer, textureSize, true);
this.shadowCamera.setParallelProjection(true);
}
@ -54,12 +53,12 @@ public class DirectionalArrayShadowMapSlice extends BaseArrayShadowMapSlice<Dire
DirectionalLight light,
GeometryList shadowCasters,
float near,
float far) {
ShadowUtil.updateFrustumPoints(viewPort.getCamera(), near, far, points);
float far,
Vector3f[] points) {
shadowCamera.lookAtDirection(light.getDirection(), shadowCamera.getUp());
int textureSize = frameBuffer.getWidth();
ShadowUtil.updateFrustumPoints(viewPort.getCamera(), near, far, points);
ShadowUtil.updateShadowCamera(viewPort, null, shadowCamera, points, shadowCasters, textureSize);
}

5
jme3-core/src/main/java/com/jme3/shadow/next/array/SpotArrayShadowMap.java
Unescape View File

@ -33,7 +33,6 @@ package com.jme3.shadow.next.array;
import com.jme3.light.Light;
import com.jme3.light.SpotLight;
import com.jme3.math.Vector3f;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.renderer.queue.GeometryList;
@ -46,11 +45,11 @@ public class SpotArrayShadowMap extends BaseArrayShadowMap<SpotArrayShadowMapSli
private final SpotLight light;
public SpotArrayShadowMap(SpotLight light, TextureArray array, int firstArraySlice, int textureSize, Vector3f[] points) {
public SpotArrayShadowMap(SpotLight light, TextureArray array, int firstArraySlice, int textureSize) {
super(array, firstArraySlice);
this.light = light;
slices = new SpotArrayShadowMapSlice[]{
new SpotArrayShadowMapSlice(array, firstArraySlice, textureSize, points)
new SpotArrayShadowMapSlice(array, firstArraySlice, textureSize)
};
}

29
jme3-core/src/main/java/com/jme3/shadow/next/array/SpotArrayShadowMapSlice.java
Unescape View File

@ -34,9 +34,10 @@ package com.jme3.shadow.next.array;
import com.jme3.light.SpotLight;
import com.jme3.math.FastMath;
import com.jme3.math.Vector3f;
import com.jme3.renderer.Camera;
import com.jme3.renderer.ViewPort;
import com.jme3.renderer.queue.GeometryList;
import com.jme3.renderer.queue.RenderQueue;
import com.jme3.scene.Spatial;
import com.jme3.shadow.ShadowUtil;
import com.jme3.texture.TextureArray;
@ -45,26 +46,16 @@ import com.jme3.texture.TextureArray;
*/
public class SpotArrayShadowMapSlice extends BaseArrayShadowMapSlice<SpotLight> {
public SpotArrayShadowMapSlice(TextureArray array, int layer, int textureSize, Vector3f[] points) {
super(array, layer, textureSize, points);
public SpotArrayShadowMapSlice(TextureArray array, int layer, int textureSize) {
super(array, layer, textureSize, true);
}
public void updateShadowCamera(
ViewPort viewPort,
SpotLight light,
GeometryList shadowCasters) {
Camera viewCamera = viewPort.getCamera();
float near = viewCamera.getFrustumNear();
float far = viewCamera.getFrustumFar();
ShadowUtil.updateFrustumPoints(viewCamera, near, far, points);
shadowCamera.setFrustumPerspective(light.getSpotOuterAngle() * FastMath.RAD_TO_DEG * 2.0f, 1, 1, light.getSpotRange());
shadowCamera.lookAtDirection(light.getDirection(), shadowCamera.getUp());
public void updateShadowCamera(ViewPort viewPort, SpotLight light, GeometryList shadowCasters) {
shadowCamera.setLocation(light.getPosition());
int textureSize = frameBuffer.getWidth();
ShadowUtil.updateShadowCamera(viewPort, null, shadowCamera, points, shadowCasters, textureSize);
shadowCamera.lookAtDirection(light.getDirection(), Vector3f.UNIT_Y);
shadowCamera.setFrustumPerspective(light.getSpotOuterAngle() * FastMath.RAD_TO_DEG * 2.0f, 1, 1, light.getSpotRange());
for (Spatial scene : viewPort.getScenes()) {
ShadowUtil.getGeometriesInCamFrustum(scene, shadowCamera, RenderQueue.ShadowMode.Cast, shadowCasters);
}
}
}

Write Preview
Loading…
Cancel
Save