|
|
@@ -3,10 +3,15 @@
|
|
|
* @author mrdoob / http://mrdoob.com/
|
|
|
*/
|
|
|
|
|
|
-import { FrontSide, BackSide, DoubleSide, RGBAFormat, NearestFilter, PCFShadowMap, RGBADepthPacking, NoBlending } from '../../constants.js';
|
|
|
+import { FrontSide, BackSide, DoubleSide, RGBAFormat, NearestFilter, LinearFilter, PCFShadowMap, VSMShadowMap, RGBADepthPacking, NoBlending } from '../../constants.js';
|
|
|
import { WebGLRenderTarget } from '../WebGLRenderTarget.js';
|
|
|
import { MeshDepthMaterial } from '../../materials/MeshDepthMaterial.js';
|
|
|
import { MeshDistanceMaterial } from '../../materials/MeshDistanceMaterial.js';
|
|
|
+import { ShaderMaterial } from '../../materials/ShaderMaterial.js';
|
|
|
+import { BufferAttribute } from '../../core/BufferAttribute.js';
|
|
|
+import { BufferGeometry } from '../../core/BufferGeometry.js';
|
|
|
+import { Mesh } from '../../objects/Mesh.js';
|
|
|
+import { ShaderChunk } from '../shaders/ShaderChunk.js';
|
|
|
import { Vector4 } from '../../math/Vector4.js';
|
|
|
import { Vector2 } from '../../math/Vector2.js';
|
|
|
import { Frustum } from '../../math/Frustum.js';
|
|
|
@@ -32,6 +37,39 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
var shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };
|
|
|
|
|
|
+ var shadowMaterialVertical = new ShaderMaterial( {
|
|
|
+
|
|
|
+ defines: {
|
|
|
+ SAMPLE_RATE: 2.0 / 8.0,
|
|
|
+ HALF_SAMPLE_RATE: 1.0 / 8.0
|
|
|
+ },
|
|
|
+
|
|
|
+ uniforms: {
|
|
|
+ shadow_pass: { value: null },
|
|
|
+ resolution: { value: new Vector2() },
|
|
|
+ radius: { value: 4.0 }
|
|
|
+ },
|
|
|
+
|
|
|
+ vertexShader: ShaderChunk.vsm_vert,
|
|
|
+
|
|
|
+ fragmentShader: ShaderChunk.vsm_frag
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ var shadowMaterialHorizonal = shadowMaterialVertical.clone();
|
|
|
+ shadowMaterialHorizonal.defines.HORIZONAL_PASS = 1;
|
|
|
+
|
|
|
+ var fullScreenTri = new BufferGeometry();
|
|
|
+ fullScreenTri.addAttribute(
|
|
|
+ "position",
|
|
|
+ new BufferAttribute(
|
|
|
+ new Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),
|
|
|
+ 3
|
|
|
+ )
|
|
|
+ );
|
|
|
+
|
|
|
+ var fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );
|
|
|
+
|
|
|
// init
|
|
|
|
|
|
for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {
|
|
|
@@ -133,6 +171,19 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
}
|
|
|
|
|
|
+ if ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {
|
|
|
+
|
|
|
+ var pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };
|
|
|
+
|
|
|
+ shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );
|
|
|
+ shadow.map.texture.name = light.name + ".shadowMap";
|
|
|
+
|
|
|
+ shadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );
|
|
|
+
|
|
|
+ shadow.camera.updateProjectionMatrix();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
if ( shadow.map === null ) {
|
|
|
|
|
|
var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };
|
|
|
@@ -166,7 +217,15 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
_frustum = shadow.getFrustum();
|
|
|
|
|
|
- renderObject( scene, camera, shadow.camera, light );
|
|
|
+ renderObject( scene, camera, shadow.camera, light, this.type );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // do blur pass for VSM
|
|
|
+
|
|
|
+ if ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {
|
|
|
+
|
|
|
+ VSMPass( shadow, camera );
|
|
|
|
|
|
}
|
|
|
|
|
|
@@ -178,7 +237,31 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
};
|
|
|
|
|
|
- function getDepthMaterial( object, material, light, shadowCameraNear, shadowCameraFar ) {
|
|
|
+ function VSMPass( shadow, camera ) {
|
|
|
+
|
|
|
+ var geometry = _objects.update( fullScreenMesh );
|
|
|
+
|
|
|
+ // vertical pass
|
|
|
+
|
|
|
+ shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;
|
|
|
+ shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;
|
|
|
+ shadowMaterialVertical.uniforms.radius.value = shadow.radius;
|
|
|
+ _renderer.setRenderTarget( shadow.mapPass );
|
|
|
+ _renderer.clear();
|
|
|
+ _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );
|
|
|
+
|
|
|
+ // horizonal pass
|
|
|
+
|
|
|
+ shadowMaterialHorizonal.uniforms.shadow_pass.value = shadow.mapPass.texture;
|
|
|
+ shadowMaterialHorizonal.uniforms.resolution.value = shadow.mapSize;
|
|
|
+ shadowMaterialHorizonal.uniforms.radius.value = shadow.radius;
|
|
|
+ _renderer.setRenderTarget( shadow.map );
|
|
|
+ _renderer.clear();
|
|
|
+ _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizonal, fullScreenMesh, null );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function getDepthMaterial( object, material, light, shadowCameraNear, shadowCameraFar, type ) {
|
|
|
|
|
|
var geometry = object.geometry;
|
|
|
|
|
|
@@ -267,7 +350,15 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
result.visible = material.visible;
|
|
|
result.wireframe = material.wireframe;
|
|
|
|
|
|
- result.side = ( material.shadowSide != null ) ? material.shadowSide : shadowSide[ material.side ];
|
|
|
+ if ( type === VSMShadowMap ) {
|
|
|
+
|
|
|
+ result.side = ( material.shadowSide != null ) ? material.shadowSide : material.side;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ result.side = ( material.shadowSide != null ) ? material.shadowSide : shadowSide[ material.side ];
|
|
|
+
|
|
|
+ }
|
|
|
|
|
|
result.clipShadows = material.clipShadows;
|
|
|
result.clippingPlanes = material.clippingPlanes;
|
|
|
@@ -288,7 +379,7 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
}
|
|
|
|
|
|
- function renderObject( object, camera, shadowCamera, light ) {
|
|
|
+ function renderObject( object, camera, shadowCamera, light, type ) {
|
|
|
|
|
|
if ( object.visible === false ) return;
|
|
|
|
|
|
@@ -296,7 +387,7 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {
|
|
|
|
|
|
- if ( object.castShadow && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {
|
|
|
+ if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {
|
|
|
|
|
|
object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );
|
|
|
|
|
|
@@ -314,7 +405,8 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
if ( groupMaterial && groupMaterial.visible ) {
|
|
|
|
|
|
- var depthMaterial = getDepthMaterial( object, groupMaterial, light, shadowCamera.near, shadowCamera.far );
|
|
|
+ var depthMaterial = getDepthMaterial( object, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );
|
|
|
+
|
|
|
_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );
|
|
|
|
|
|
}
|
|
|
@@ -323,7 +415,8 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
} else if ( material.visible ) {
|
|
|
|
|
|
- var depthMaterial = getDepthMaterial( object, material, light, shadowCamera.near, shadowCamera.far );
|
|
|
+ var depthMaterial = getDepthMaterial( object, material, light, shadowCamera.near, shadowCamera.far, type );
|
|
|
+
|
|
|
_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );
|
|
|
|
|
|
}
|
|
|
@@ -336,7 +429,7 @@ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
|
|
|
|
|
|
for ( var i = 0, l = children.length; i < l; i ++ ) {
|
|
|
|
|
|
- renderObject( children[ i ], camera, shadowCamera, light );
|
|
|
+ renderObject( children[ i ], camera, shadowCamera, light, type );
|
|
|
|
|
|
}
|
|
|
|
supereggbert