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three.js

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提交 8c25afa5 编写于 作者: A alteredq
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Refactored shadow coordinates generation to use less matrix multiplications.

上级 90495673
隐藏空白更改
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Showing with 14 addition and 12 deletion
build/Three.js
浏览文件 @ 8c25afa5
......@@ -284,7 +284,7 @@ morphtarget_vertex:"#ifdef USE_MORPHTARGETS\nvec3 morphed = vec3( 0.0 );\nmorphe
default_vertex:"#ifndef USE_MORPHTARGETS\n#ifndef USE_SKINNING\ngl_Position = projectionMatrix * mvPosition;\n#endif\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\nvec3 morphedNormal = vec3( 0.0 );\nmorphedNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\nmorphedNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\nmorphedNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\nmorphedNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\nmorphedNormal += normal;\n#endif",
skinnormal_vertex:"#ifdef USE_SKINNING\nmat4 skinMatrix = skinWeight.x * boneMatX;\nskinMatrix \t+= skinWeight.y * boneMatY;\nvec4 skinnedNormal = skinMatrix * vec4( normal, 0.0 );\n#endif",defaultnormal_vertex:"vec3 transformedNormal;\n#ifdef USE_SKINNING\ntransformedNormal = skinnedNormal.xyz;\n#endif\n#ifdef USE_MORPHNORMALS\ntransformedNormal = morphedNormal;\n#endif\n#ifndef USE_MORPHNORMALS\n#ifndef USE_SKINNING\ntransformedNormal = normal;\n#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;",
shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\nuniform sampler2D shadowMap[ MAX_SHADOWS ];\nuniform vec2 shadowMapSize[ MAX_SHADOWS ];\nuniform float shadowDarkness[ MAX_SHADOWS ];\nuniform float shadowBias[ MAX_SHADOWS ];\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nfloat unpackDepth( const in vec4 rgba_depth ) {\nconst vec4 bit_shift = vec4( 1.0 / ( 256.0 * 256.0 * 256.0 ), 1.0 / ( 256.0 * 256.0 ), 1.0 / 256.0, 1.0 );\nfloat depth = dot( rgba_depth, bit_shift );\nreturn depth;\n}\n#endif",shadowmap_fragment:"#ifdef USE_SHADOWMAP\n#ifdef SHADOWMAP_DEBUG\nvec3 frustumColors[3];\nfrustumColors[0] = vec3( 1.0, 0.5, 0.0 );\nfrustumColors[1] = vec3( 0.0, 1.0, 0.8 );\nfrustumColors[2] = vec3( 0.0, 0.5, 1.0 );\n#endif\n#ifdef SHADOWMAP_CASCADE\nint inFrustumCount = 0;\n#endif\nfloat fDepth;\nvec3 shadowColor = vec3( 1.0 );\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;\nbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\nbool inFrustum = all( inFrustumVec );\n#ifdef SHADOWMAP_CASCADE\ninFrustumCount += int( inFrustum );\nbvec3 frustumTestVec = bvec3( inFrustum, inFrustumCount == 1, shadowCoord.z <= 1.0 );\n#else\nbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n#endif\nbool frustumTest = all( frustumTestVec );\nif ( frustumTest ) {\nshadowCoord.z += shadowBias[ i ];\n#ifdef SHADOWMAP_SOFT\nfloat shadow = 0.0;\nconst float shadowDelta = 1.0 / 9.0;\nfloat xPixelOffset = 1.0 / shadowMapSize[ i ].x;\nfloat yPixelOffset = 1.0 / shadowMapSize[ i ].y;\nfloat dx0 = -1.25 * xPixelOffset;\nfloat dy0 = -1.25 * yPixelOffset;\nfloat dx1 = 1.25 * xPixelOffset;\nfloat dy1 = 1.25 * yPixelOffset;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nshadowColor = shadowColor * vec3( ( 1.0 - shadowDarkness[ i ] * shadow ) );\n#else\nvec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );\nfloat fDepth = unpackDepth( rgbaDepth );\nif ( fDepth < shadowCoord.z )\nshadowColor = shadowColor * vec3( 1.0 - shadowDarkness[ i ] );\n#endif\n}\n#ifdef SHADOWMAP_DEBUG\n#ifdef SHADOWMAP_CASCADE\nif ( inFrustum && inFrustumCount == 1 ) gl_FragColor.xyz *= frustumColors[ i ];\n#else\nif ( inFrustum ) gl_FragColor.xyz *= frustumColors[ i ];\n#endif\n#endif\n}\n#ifdef GAMMA_OUTPUT\nshadowColor *= shadowColor;\n#endif\ngl_FragColor.xyz = gl_FragColor.xyz * shadowColor;\n#endif",
shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\n#ifdef USE_MORPHTARGETS\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( morphed, 1.0 );\n#else\n#ifdef USE_SKINNING\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * skinned;\n#else\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( position, 1.0 );\n#endif\n#endif\n}\n#endif",
shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nvec4 transformedPosition;\n#ifdef USE_MORPHTARGETS\ntransformedPosition = objectMatrix * vec4( morphed, 1.0 );\n#else\n#ifdef USE_SKINNING\ntransformedPosition = objectMatrix * skinned;\n#else\ntransformedPosition = objectMatrix * vec4( position, 1.0 );\n#endif\n#endif\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvShadowCoord[ i ] = shadowMatrix[ i ] * transformedPosition;\n}\n#endif",
alphatest_fragment:"#ifdef ALPHATEST\nif ( gl_FragColor.a < ALPHATEST ) discard;\n#endif",linear_to_gamma_fragment:"#ifdef GAMMA_OUTPUT\ngl_FragColor.xyz = sqrt( gl_FragColor.xyz );\n#endif"};
THREE.UniformsUtils={merge:function(a){var b,c,d,e={};for(b=0;b<a.length;b++){d=this.clone(a[b]);for(c in d)e[c]=d[c]}return e},clone:function(a){var b,c,d,e={};for(b in a){e[b]={};for(c in a[b]){d=a[b][c];e[b][c]=d instanceof THREE.Color||d instanceof THREE.Vector2||d instanceof THREE.Vector3||d instanceof THREE.Vector4||d instanceof THREE.Matrix4||d instanceof THREE.Texture?d.clone():d instanceof Array?d.slice():d}}return e}};
THREE.UniformsLib={common:{diffuse:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},map:{type:"t",value:0,texture:null},offsetRepeat:{type:"v4",value:new THREE.Vector4(0,0,1,1)},lightMap:{type:"t",value:2,texture:null},envMap:{type:"t",value:1,texture:null},flipEnvMap:{type:"f",value:-1},useRefract:{type:"i",value:0},reflectivity:{type:"f",value:1},refractionRatio:{type:"f",value:0.98},combine:{type:"i",value:0},morphTargetInfluences:{type:"f",value:0}},fog:{fogDensity:{type:"f",
......
build/custom/ThreeWebGL.js
浏览文件 @ 8c25afa5
......@@ -246,7 +246,7 @@ morphtarget_vertex:"#ifdef USE_MORPHTARGETS\nvec3 morphed = vec3( 0.0 );\nmorphe
default_vertex:"#ifndef USE_MORPHTARGETS\n#ifndef USE_SKINNING\ngl_Position = projectionMatrix * mvPosition;\n#endif\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\nvec3 morphedNormal = vec3( 0.0 );\nmorphedNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\nmorphedNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\nmorphedNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\nmorphedNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\nmorphedNormal += normal;\n#endif",
skinnormal_vertex:"#ifdef USE_SKINNING\nmat4 skinMatrix = skinWeight.x * boneMatX;\nskinMatrix \t+= skinWeight.y * boneMatY;\nvec4 skinnedNormal = skinMatrix * vec4( normal, 0.0 );\n#endif",defaultnormal_vertex:"vec3 transformedNormal;\n#ifdef USE_SKINNING\ntransformedNormal = skinnedNormal.xyz;\n#endif\n#ifdef USE_MORPHNORMALS\ntransformedNormal = morphedNormal;\n#endif\n#ifndef USE_MORPHNORMALS\n#ifndef USE_SKINNING\ntransformedNormal = normal;\n#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;",
shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\nuniform sampler2D shadowMap[ MAX_SHADOWS ];\nuniform vec2 shadowMapSize[ MAX_SHADOWS ];\nuniform float shadowDarkness[ MAX_SHADOWS ];\nuniform float shadowBias[ MAX_SHADOWS ];\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nfloat unpackDepth( const in vec4 rgba_depth ) {\nconst vec4 bit_shift = vec4( 1.0 / ( 256.0 * 256.0 * 256.0 ), 1.0 / ( 256.0 * 256.0 ), 1.0 / 256.0, 1.0 );\nfloat depth = dot( rgba_depth, bit_shift );\nreturn depth;\n}\n#endif",shadowmap_fragment:"#ifdef USE_SHADOWMAP\n#ifdef SHADOWMAP_DEBUG\nvec3 frustumColors[3];\nfrustumColors[0] = vec3( 1.0, 0.5, 0.0 );\nfrustumColors[1] = vec3( 0.0, 1.0, 0.8 );\nfrustumColors[2] = vec3( 0.0, 0.5, 1.0 );\n#endif\n#ifdef SHADOWMAP_CASCADE\nint inFrustumCount = 0;\n#endif\nfloat fDepth;\nvec3 shadowColor = vec3( 1.0 );\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;\nbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\nbool inFrustum = all( inFrustumVec );\n#ifdef SHADOWMAP_CASCADE\ninFrustumCount += int( inFrustum );\nbvec3 frustumTestVec = bvec3( inFrustum, inFrustumCount == 1, shadowCoord.z <= 1.0 );\n#else\nbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n#endif\nbool frustumTest = all( frustumTestVec );\nif ( frustumTest ) {\nshadowCoord.z += shadowBias[ i ];\n#ifdef SHADOWMAP_SOFT\nfloat shadow = 0.0;\nconst float shadowDelta = 1.0 / 9.0;\nfloat xPixelOffset = 1.0 / shadowMapSize[ i ].x;\nfloat yPixelOffset = 1.0 / shadowMapSize[ i ].y;\nfloat dx0 = -1.25 * xPixelOffset;\nfloat dy0 = -1.25 * yPixelOffset;\nfloat dx1 = 1.25 * xPixelOffset;\nfloat dy1 = 1.25 * yPixelOffset;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nshadowColor = shadowColor * vec3( ( 1.0 - shadowDarkness[ i ] * shadow ) );\n#else\nvec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );\nfloat fDepth = unpackDepth( rgbaDepth );\nif ( fDepth < shadowCoord.z )\nshadowColor = shadowColor * vec3( 1.0 - shadowDarkness[ i ] );\n#endif\n}\n#ifdef SHADOWMAP_DEBUG\n#ifdef SHADOWMAP_CASCADE\nif ( inFrustum && inFrustumCount == 1 ) gl_FragColor.xyz *= frustumColors[ i ];\n#else\nif ( inFrustum ) gl_FragColor.xyz *= frustumColors[ i ];\n#endif\n#endif\n}\n#ifdef GAMMA_OUTPUT\nshadowColor *= shadowColor;\n#endif\ngl_FragColor.xyz = gl_FragColor.xyz * shadowColor;\n#endif",
shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\n#ifdef USE_MORPHTARGETS\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( morphed, 1.0 );\n#else\n#ifdef USE_SKINNING\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * skinned;\n#else\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( position, 1.0 );\n#endif\n#endif\n}\n#endif",
shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nvec4 transformedPosition;\n#ifdef USE_MORPHTARGETS\ntransformedPosition = objectMatrix * vec4( morphed, 1.0 );\n#else\n#ifdef USE_SKINNING\ntransformedPosition = objectMatrix * skinned;\n#else\ntransformedPosition = objectMatrix * vec4( position, 1.0 );\n#endif\n#endif\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvShadowCoord[ i ] = shadowMatrix[ i ] * transformedPosition;\n}\n#endif",
alphatest_fragment:"#ifdef ALPHATEST\nif ( gl_FragColor.a < ALPHATEST ) discard;\n#endif",linear_to_gamma_fragment:"#ifdef GAMMA_OUTPUT\ngl_FragColor.xyz = sqrt( gl_FragColor.xyz );\n#endif"};
THREE.UniformsUtils={merge:function(a){var b,c,d,e={};for(b=0;b<a.length;b++){d=this.clone(a[b]);for(c in d)e[c]=d[c]}return e},clone:function(a){var b,c,d,e={};for(b in a){e[b]={};for(c in a[b]){d=a[b][c];e[b][c]=d instanceof THREE.Color||d instanceof THREE.Vector2||d instanceof THREE.Vector3||d instanceof THREE.Vector4||d instanceof THREE.Matrix4||d instanceof THREE.Texture?d.clone():d instanceof Array?d.slice():d}}return e}};
THREE.UniformsLib={common:{diffuse:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},map:{type:"t",value:0,texture:null},offsetRepeat:{type:"v4",value:new THREE.Vector4(0,0,1,1)},lightMap:{type:"t",value:2,texture:null},envMap:{type:"t",value:1,texture:null},flipEnvMap:{type:"f",value:-1},useRefract:{type:"i",value:0},reflectivity:{type:"f",value:1},refractionRatio:{type:"f",value:0.98},combine:{type:"i",value:0},morphTargetInfluences:{type:"f",value:0}},fog:{fogDensity:{type:"f",
......
src/renderers/WebGLShaders.js
浏览文件 @ 8c25afa5
......@@ -1357,25 +1357,27 @@ THREE.ShaderChunk = {
"#ifdef USE_SHADOWMAP",
"for( int i = 0; i < MAX_SHADOWS; i ++ ) {",
"vec4 transformedPosition;",
"#ifdef USE_MORPHTARGETS",
"#ifdef USE_MORPHTARGETS",
"vShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( morphed, 1.0 );",
"transformedPosition = objectMatrix * vec4( morphed, 1.0 );",
"#else",
"#else",
"#ifdef USE_SKINNING",
"#ifdef USE_SKINNING",
"transformedPosition = objectMatrix * skinned;",
"vShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * skinned;",
"#else",
"#else",
"transformedPosition = objectMatrix * vec4( position, 1.0 );",
"vShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( position, 1.0 );",
"#endif",
"#endif",
"#endif",
"for( int i = 0; i < MAX_SHADOWS; i ++ ) {",
"#endif",
"vShadowCoord[ i ] = shadowMatrix[ i ] * transformedPosition;",
"}",
......
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