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| {
| "__type__": "cc.EffectAsset",
| "_name": "builtin-phong",
| "_objFlags": 0,
| "_native": "",
| "properties": null,
| "techniques": [
| {
| "passes": [
| {
| "name": "phong",
| "rasterizerState": {
| "cullMode": 1029
| },
| "depthStencilState": {
| "depthTest": true,
| "depthWrite": true
| },
| "properties": {
| "alphaThreshold": {
| "value": [
| 0.5
| ],
| "type": 13
| },
| "mainTiling": {
| "value": [
| 1,
| 1
| ],
| "type": 14
| },
| "mainOffset": {
| "value": [
| 0,
| 0
| ],
| "type": 14
| },
| "diffuseColor": {
| "value": [
| 1,
| 1,
| 1,
| 1
| ],
| "editor": {
| "type": "color"
| },
| "type": 16
| },
| "diffuseTexture": {
| "value": "white",
| "type": 29
| },
| "specularColor": {
| "value": [
| 1,
| 1,
| 1,
| 1
| ],
| "editor": {
| "type": "color"
| },
| "type": 16
| },
| "specularTexture": {
| "value": "white",
| "type": 29
| },
| "emissiveColor": {
| "value": [
| 0,
| 0,
| 0,
| 1
| ],
| "editor": {
| "type": "color"
| },
| "type": 16
| },
| "emissiveTexture": {
| "value": "white",
| "type": 29
| },
| "glossiness": {
| "value": [
| 10
| ],
| "type": 13
| },
| "normalTexture": {
| "value": "white",
| "type": 29
| }
| },
| "program": "builtin-phong|phong-vs|phong-fs"
| },
| {
| "name": "shadowcast",
| "stage": "shadowcast",
| "rasterizerState": {
| "cullMode": 1029
| },
| "depthStencilState": {
| "depthTest": true,
| "depthWrite": true
| },
| "program": "builtin-phong|shadow-map-vs|shadow-map-fs"
| }
| ]
| }
| ],
| "shaders": [
| {
| "hash": 1170872575,
| "glsl3": {
| "vert": "\nprecision highp float;\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nuniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_nativeSize;\n highp mat4 cc_matView;\n mediump mat4 cc_matViewInv;\n mediump mat4 cc_matProj;\n mediump mat4 cc_matProjInv;\n mediump mat4 cc_matViewProj;\n mediump mat4 cc_matViewProjInv;\n mediump vec4 cc_cameraPos;\n};\n#if CC_USE_SKINNING\n in vec4 a_weights;\n in vec4 a_joints;\n #if CC_USE_JOINTS_TEXTRUE\n uniform SKINNING {\n vec2 jointsTextureSize;\n };\n uniform sampler2D jointsTexture;\n #if CC_JOINTS_TEXTURE_FLOAT32\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 4.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = texture2D(jointsTexture, vec2(dx * (x + 0.5), y));\n vec4 v2 = texture2D(jointsTexture, vec2(dx * (x + 1.5), y));\n vec4 v3 = texture2D(jointsTexture, vec2(dx * (x + 2.5), y));\n vec4 v4 = texture2D(jointsTexture, vec2(dx * (x + 3.5), y));\n return mat4(v1, v2, v3, v4);\n }\n #else\n float decode32(vec4 rgba) {\n float Sign = 1.0 - step(128.0, rgba[0]) * 2.0;\n float Exponent = 2.0 * mod(rgba[0], 128.0) + step(128.0, rgba[1]) - 127.0;\n float Mantissa = mod(rgba[1], 128.0) * 65536.0 + rgba[2] * 256.0 + rgba[3] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n }\n vec4 decodevec4 (vec4 x, vec4 y, vec4 z, vec4 w) {\n return vec4(\n decode32(x.wzyx * 255.0),\n decode32(y.wzyx * 255.0),\n decode32(z.wzyx * 255.0),\n decode32(w.wzyx * 255.0)\n );\n }\n vec4 decodevec4 (float dx, float x, float y) {\n return decodevec4(\n texture2D(jointsTexture, vec2(dx * (x + 0.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 1.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 2.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 3.5), y))\n );\n }\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 16.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = decodevec4(dx, x, y);\n vec4 v2 = decodevec4(dx, x+4.0, y);\n vec4 v3 = decodevec4(dx, x+8.0, y);\n vec4 v4 = decodevec4(dx, x+12.0, y);\n return mat4(v1, v2, v3, v4);\n }\n #endif\n #else\n uniform JOINT_MATRIX {\n mat4 jointMatrices[50];\n };\n mat4 getBoneMatrix(const in float i) {\n return jointMatrices[int(i)];\n }\n #endif\n mat4 skinMatrix() {\n return\n getBoneMatrix(a_joints.x) * a_weights.x +\n getBoneMatrix(a_joints.y) * a_weights.y +\n getBoneMatrix(a_joints.z) * a_weights.z +\n getBoneMatrix(a_joints.w) * a_weights.w\n ;\n }\n#endif\nstruct StandardVertInput {\n vec2 uv;\n vec4 position;\n vec3 normal;\n vec4 tangent;\n vec4 color;\n};\nin vec3 a_position;\n#if CC_USE_ATTRIBUTE_UV0\nin vec2 a_uv0;\n#endif\n#if CC_USE_ATTRIBUTE_COLOR\nin vec4 a_color;\n#endif\n#if CC_USE_ATTRIBUTE_NORMAL\nin vec3 a_normal;\n#endif\n#if CC_USE_ATTRIBUTE_TANGENT\nin vec4 a_tangent;\n#endif\nvoid CCAttribute (out StandardVertInput In) {\n In.position = vec4(a_position, 1.0);\n #if CC_USE_ATTRIBUTE_UV0\n In.uv = a_uv0;\n #else\n In.uv = vec2(0.0);\n #endif\n #if CC_USE_ATTRIBUTE_COLOR\n In.color = a_color;\n #else\n In.color = vec4(1.0);\n #endif\n #if CC_USE_ATTRIBUTE_NORMAL\n In.normal = a_normal;\n #else\n In.normal = vec3(0.0, 1.0, 0.0);\n #endif\n #if CC_USE_ATTRIBUTE_TANGENT\n In.tangent = a_tangent;\n #else\n In.tangent = vec4(1.0, 0.0, 0.0, 0.0);\n #endif\n}\nvoid CCVertInput(out StandardVertInput In) {\n CCAttribute(In);\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n In.position = m * In.position;\n #if CC_USE_ATTRIBUTE_NORMAL\n In.normal = (m * vec4(In.normal, 0)).xyz;\n #endif\n #if CC_USE_ATTRIBUTE_TANGENT\n In.tangent = m * In.tangent;\n #endif\n #endif\n}\n#if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n uniform CC_SHADOW {\n mat4 cc_shadow_lightViewProjMatrix[2];\n vec4 cc_shadow_info[2];\n };\n uniform sampler2D cc_shadow_map_0;\n #if CC_NUM_SHADOW_LIGHTS > 1\n uniform sampler2D cc_shadow_map_1;\n #endif\n varying vec4 v_posLightSpace[2];\n varying float v_depth[2];\n#endif\nvoid CCShadowInput (vec3 worldPos) {\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n for (int i = 0; i < CC_NUM_SHADOW_LIGHTS; i++) {\n v_posLightSpace[i] = cc_shadow_lightViewProjMatrix[i] * vec4(worldPos, 1.0);\n v_depth[i] = (v_posLightSpace[i].z + cc_shadow_info[i].x) / (cc_shadow_info[i].x + cc_shadow_info[i].y);\n }\n #endif\n}\nuniform MAIN_TILING {\n vec2 mainTiling;\n vec2 mainOffset;\n};\n#if CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || USE_EMISSIVE_TEXTURE || USE_SPECULAR_TEXTURE || USE_NORMAL_TEXTURE)\n out mediump vec2 v_uv0;\n#endif\n#if CC_USE_ATTRIBUTE_COLOR\n out lowp vec4 v_color;\n#endif\n#if USE_NORMAL_TEXTURE\n out vec3 v_tangent;\n out vec3 v_bitangent;\n#endif\nout vec3 v_worldNormal;\nout vec3 v_worldPos;\nout vec3 v_viewDirection;\nvoid main () {\n StandardVertInput In;\n CCVertInput(In);\n vec4 position = In.position;\n v_worldNormal = normalize((cc_matWorldIT * vec4(In.normal, 0)).xyz);\n v_worldPos = (cc_matWorld * position).xyz;\n v_viewDirection = normalize(cc_cameraPos.xyz - v_worldPos);\n #if CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || USE_EMISSIVE_TEXTURE || USE_SPECULAR_TEXTURE || USE_NORMAL_TEXTURE)\n v_uv0 = In.uv * mainTiling + mainOffset;\n #endif\n #if CC_USE_ATTRIBUTE_COLOR\n v_color = In.color;\n #endif\n #if USE_NORMAL_TEXTURE\n v_tangent = normalize((cc_matWorldIT * vec4(In.tangent.xyz, 0.0)).xyz);\n v_bitangent = cross(v_worldNormal, v_tangent) * In.tangent.w;\n #endif\n CCShadowInput(v_worldPos);\n gl_Position = cc_matViewProj * cc_matWorld * position;\n}",
| "frag": "\nprecision highp float;\nuniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_nativeSize;\n highp mat4 cc_matView;\n mediump mat4 cc_matViewInv;\n mediump mat4 cc_matProj;\n mediump mat4 cc_matProjInv;\n mediump mat4 cc_matViewProj;\n mediump mat4 cc_matViewProjInv;\n mediump vec4 cc_cameraPos;\n};\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\n#if USE_ALPHA_TEST\n uniform ALPHA_TEST {\n float alphaThreshold;\n };\n#endif\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\nuniform PhongFrag {\n lowp vec4 diffuseColor;\n lowp vec4 specularColor;\n lowp vec4 emissiveColor;\n float glossiness;\n};\n#if USE_DIFFUSE_TEXTURE\n uniform sampler2D diffuseTexture;\n#endif\n#if USE_SPECULAR_TEXTURE\n uniform sampler2D specularTexture;\n#endif\n#if USE_EMISSIVE_TEXTURE\n uniform sampler2D emissiveTexture;\n#endif\n#if USE_NORMAL_TEXTURE\n in vec3 v_tangent;\n in vec3 v_bitangent;\n uniform sampler2D normalTexture;\n#endif\nin vec3 v_worldNormal;\nin vec3 v_worldPos;\nin vec3 v_viewDirection;\n#if CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || USE_EMISSIVE_TEXTURE || USE_SPECULAR_TEXTURE || USE_NORMAL_TEXTURE)\n in mediump vec2 v_uv0;\n#endif\n#if CC_USE_ATTRIBUTE_COLOR\n in lowp vec4 v_color;\n#endif\n#if CC_NUM_DIR_LIGHTS > 0 || CC_NUM_POINT_LIGHTS > 0 || CC_NUM_SPOT_LIGHTS > 0 || CC_NUM_AMBIENT_LIGHTS > 0\nuniform CCLIGHTS {\n vec4 cc_dirLightDirection[4];\n vec4 cc_dirLightColor[4];\n vec4 cc_pointLightPositionAndRange[4];\n vec4 cc_pointLightColor[4];\n vec4 cc_spotLightPositionAndRange[4];\n vec4 cc_spotLightDirection[4];\n vec4 cc_spotLightColor[4];\n vec4 cc_ambientColor[4];\n};\n#endif\nstruct LightInfo {\n vec3 lightDir;\n vec3 radiance;\n};\nLightInfo computeDirectionalLighting(\n vec4 lightDirection,\n vec4 lightColor\n) {\n LightInfo ret;\n ret.lightDir = -normalize(lightDirection.xyz);\n ret.radiance = lightColor.rgb;\n return ret;\n}\nLightInfo computePointLighting(\n vec3 worldPosition,\n vec4 lightPositionAndRange,\n vec4 lightColor\n) {\n LightInfo ret;\n vec3 lightDir = lightPositionAndRange.xyz - worldPosition;\n float attenuation = max(0., 1.0 - length(lightDir) / lightPositionAndRange.w);\n ret.lightDir = normalize(lightDir);\n ret.radiance = lightColor.rgb * attenuation;\n return ret;\n}\nLightInfo computeSpotLighting(\n vec3 worldPosition,\n vec4 lightPositionAndRange,\n vec4 lightDirection,\n vec4 lightColor\n) {\n LightInfo ret;\n vec3 lightDir = lightPositionAndRange.xyz - worldPosition;\n float attenuation = max(0., 1.0 - length(lightDir) / lightPositionAndRange.w);\n lightDir = normalize(lightDir);\n float cosConeAngle = max(0., dot(lightDirection.xyz, -lightDir));\n cosConeAngle = cosConeAngle < lightDirection.w ? 0. : cosConeAngle;\n cosConeAngle = pow(cosConeAngle, lightColor.w);\n ret.lightDir = lightDir;\n ret.radiance = lightColor.rgb * attenuation * cosConeAngle;\n return ret;\n}\n#if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n uniform CC_SHADOW {\n mat4 cc_shadow_lightViewProjMatrix[2];\n vec4 cc_shadow_info[2];\n };\n uniform sampler2D cc_shadow_map_0;\n #if CC_NUM_SHADOW_LIGHTS > 1\n uniform sampler2D cc_shadow_map_1;\n #endif\n varying vec4 v_posLightSpace[2];\n varying float v_depth[2];\n#endif\nfloat unpackRGBAToDepth(vec4 color) {\n return dot(color, vec4(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 160581375.0));\n}\nfloat computeFallOff(float esm, vec2 coords, float frustumEdgeFalloff) {\n float mask = smoothstep(1.0 - frustumEdgeFalloff, 1.0, clamp(dot(coords, coords), 0.0, 1.0));\n return mix(esm, 1.0, mask);\n}\nfloat computeShadowESM(sampler2D shadowMap, vec4 posLightspace, float vDepth, float depthScale, float darkness, float frustumEdgeFalloff) {\n vec2 projCoords = posLightspace.xy / posLightspace.w;\n vec2 shadowUV = projCoords * 0.5 + vec2(0.5);\n if (shadowUV.x < 0.0 || shadowUV.x > 1.0 || shadowUV.y < 0.0 || shadowUV.y > 1.0) {\n return 1.0;\n }\n float currentDepth = clamp(vDepth, 0.0, 1.0);\n float closestDepth = unpackRGBAToDepth(texture2D(shadowMap, shadowUV));\n float esm = clamp(exp(-depthScale * (currentDepth - closestDepth)), 1.0 - darkness, 1.0);\n return computeFallOff(esm, projCoords, frustumEdgeFalloff);\n}\nfloat CCCalcShadow() {\n float shadow = 1.0;\n float frustumEdgeFalloff = 0.0;\n #if CC_USE_SHADOW_MAP\n #if CC_NUM_SHADOW_LIGHTS > 0\n shadow *= computeShadowESM(cc_shadow_map_0, v_posLightSpace[0], v_depth[0], cc_shadow_info[0].z, cc_shadow_info[0].w, frustumEdgeFalloff);\n #endif\n #if CC_NUM_SHADOW_LIGHTS > 1\n shadow *= computeShadowESM(cc_shadow_map_1, v_posLightSpace[1], v_depth[1], cc_shadow_info[1].z, cc_shadow_info[1].w, frustumEdgeFalloff);\n #endif\n #endif\n return shadow;\n}\nstruct PhongSurface {\n vec3 diffuse;\n vec3 emissive;\n vec3 specular;\n float opacity;\n float glossiness;\n vec3 position;\n vec3 normal;\n vec3 viewDirection;\n};\nstruct Lighting {\n vec3 diffuse;\n vec3 specular;\n};\nvoid brdf (inout Lighting result, LightInfo info, vec3 normal, vec3 viewDirection, float glossiness) {\n float ndh = 0.0;\n vec3 halfDir = normalize(viewDirection + info.lightDir);\n float NdotH = max(0.0, dot(normal, halfDir));\n NdotH = pow(NdotH, max(1.0, glossiness * 128.0));\n vec3 diffuse = info.radiance * max(0.0, dot(normal, info.lightDir));\n vec3 specular = info.radiance * NdotH;\n result.diffuse += diffuse;\n result.specular += specular;\n}\nvec4 composePhongShading (Lighting lighting, PhongSurface s) {\n vec4 o = vec4(0.0, 0.0, 0.0, 1.0);\n o.rgb = lighting.diffuse * s.diffuse;\n #if USE_EMISSIVE\n o.rgb += s.emissive;\n #endif\n #if USE_SPECULAR\n o.rgb += lighting.specular * s.specular;\n #endif\n #if CC_USE_SHADOW_MAP\n o.rgb *= CCCalcShadow();\n #endif\n o.a = s.opacity;\n return o;\n}\nvec4 CCPhongShading (in PhongSurface s) {\n Lighting phongLighting;\n phongLighting.diffuse = vec3(0, 0, 0);\n phongLighting.specular = vec3(0, 0, 0);\n #if CC_NUM_DIR_LIGHTS > 0\n for (int i = 0; i < CC_NUM_DIR_LIGHTS; i++) {\n LightInfo info = computeDirectionalLighting(cc_dirLightDirection[i], cc_dirLightColor[i]);\n brdf(phongLighting, info, s.normal, s.viewDirection, s.glossiness);\n }\n #endif\n #if CC_NUM_POINT_LIGHTS > 0\n for (int i = 0; i < CC_NUM_POINT_LIGHTS; i++) {\n LightInfo info = computePointLighting(s.position, cc_pointLightPositionAndRange[i], cc_pointLightColor[i]);\n brdf(phongLighting, info, s.normal, s.viewDirection, s.glossiness);\n }\n #endif\n #if CC_NUM_SPOT_LIGHTS > 0\n for (int i = 0; i < CC_NUM_SPOT_LIGHTS; i++) {\n LightInfo info = computeSpotLighting(s.position, cc_spotLightPositionAndRange[i], cc_spotLightDirection[i], cc_spotLightColor[i]);\n brdf(phongLighting, info, s.normal, s.viewDirection, s.glossiness);\n }\n #endif\n #if CC_NUM_AMBIENT_LIGHTS > 0\n for (int i = 0; i < CC_NUM_AMBIENT_LIGHTS; i++) {\n phongLighting.diffuse += cc_ambientColor[i].rgb;\n }\n #endif\n return composePhongShading(phongLighting, s);\n}\nvoid surf (out PhongSurface s) {\n vec4 diffuse = vec4(1, 1, 1, 1);\n #if CC_USE_ATTRIBUTE_COLOR\n diffuse *= v_color;\n #endif\n diffuse *= diffuseColor;\n #if USE_DIFFUSE_TEXTURE\n vec4 diffuseTexture_tmp = texture2D(diffuseTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_diffuseTexture\n diffuseTexture_tmp.a *= texture2D(diffuseTexture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #if INPUT_IS_GAMMA\n diffuse.rgb *= (diffuseTexture_tmp.rgb * diffuseTexture_tmp.rgb);\n diffuse.a *= diffuseTexture_tmp.a;\n #else\n diffuse *= diffuseTexture_tmp;\n #endif\n #endif\n ALPHA_TEST(diffuse);\n s.diffuse = diffuse.rgb;\n s.opacity = diffuse.a;\n s.emissive = emissiveColor.rgb;\n #if USE_EMISSIVE_TEXTURE\n vec4 emissiveTexture_tmp = texture2D(emissiveTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_emissiveTexture\n emissiveTexture_tmp.a *= texture2D(emissiveTexture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #if INPUT_IS_GAMMA\n s.emissive.rgb *= (emissiveTexture_tmp.rgb * emissiveTexture_tmp.rgb);\n #else\n s.emissive.rgb *= emissiveTexture_tmp.rgb;\n #endif\n #endif\n s.specular = specularColor.rgb;\n #if USE_SPECULAR_TEXTURE\n vec4 specularTexture_tmp = texture2D(specularTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_specularTexture\n specularTexture_tmp.a *= texture2D(specularTexture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #if INPUT_IS_GAMMA\n s.specular.rgb *= (specularTexture_tmp.rgb * specularTexture_tmp.rgb);\n #else\n s.specular.rgb *= specularTexture_tmp.rgb;\n #endif\n #endif\n s.normal = v_worldNormal;\n #if USE_NORMAL_TEXTURE\n vec3 nmmp = texture2D(normalTexture, v_uv0).xyz - vec3(0.5);\n s.normal =\n nmmp.x * normalize(v_tangent) +\n nmmp.y * normalize(v_bitangent) +\n nmmp.z * normalize(s.normal);\n #endif\n s.position = v_worldPos;\n s.viewDirection = v_viewDirection;\n s.glossiness = glossiness;\n}\nvoid main () {\n PhongSurface s;\n surf(s);\n vec4 color = CCPhongShading(s);\n gl_FragColor = CCFragOutput(color);\n}"
| },
| "glsl1": {
| "vert": "\nprecision highp float;\nuniform mat4 cc_matWorld;\nuniform mat4 cc_matWorldIT;\nuniform mediump mat4 cc_matViewProj;\nuniform mediump vec4 cc_cameraPos;\n#if CC_USE_SKINNING\n attribute vec4 a_weights;\n attribute vec4 a_joints;\n #if CC_USE_JOINTS_TEXTRUE\n uniform vec2 jointsTextureSize;\n uniform sampler2D jointsTexture;\n #if CC_JOINTS_TEXTURE_FLOAT32\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 4.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = texture2D(jointsTexture, vec2(dx * (x + 0.5), y));\n vec4 v2 = texture2D(jointsTexture, vec2(dx * (x + 1.5), y));\n vec4 v3 = texture2D(jointsTexture, vec2(dx * (x + 2.5), y));\n vec4 v4 = texture2D(jointsTexture, vec2(dx * (x + 3.5), y));\n return mat4(v1, v2, v3, v4);\n }\n #else\n float decode32(vec4 rgba) {\n float Sign = 1.0 - step(128.0, rgba[0]) * 2.0;\n float Exponent = 2.0 * mod(rgba[0], 128.0) + step(128.0, rgba[1]) - 127.0;\n float Mantissa = mod(rgba[1], 128.0) * 65536.0 + rgba[2] * 256.0 + rgba[3] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n }\n vec4 decodevec4 (vec4 x, vec4 y, vec4 z, vec4 w) {\n return vec4(\n decode32(x.wzyx * 255.0),\n decode32(y.wzyx * 255.0),\n decode32(z.wzyx * 255.0),\n decode32(w.wzyx * 255.0)\n );\n }\n vec4 decodevec4 (float dx, float x, float y) {\n return decodevec4(\n texture2D(jointsTexture, vec2(dx * (x + 0.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 1.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 2.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 3.5), y))\n );\n }\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 16.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = decodevec4(dx, x, y);\n vec4 v2 = decodevec4(dx, x+4.0, y);\n vec4 v3 = decodevec4(dx, x+8.0, y);\n vec4 v4 = decodevec4(dx, x+12.0, y);\n return mat4(v1, v2, v3, v4);\n }\n #endif\n #else\n uniform mat4 jointMatrices[50];\n mat4 getBoneMatrix(const in float i) {\n return jointMatrices[int(i)];\n }\n #endif\n mat4 skinMatrix() {\n return\n getBoneMatrix(a_joints.x) * a_weights.x +\n getBoneMatrix(a_joints.y) * a_weights.y +\n getBoneMatrix(a_joints.z) * a_weights.z +\n getBoneMatrix(a_joints.w) * a_weights.w\n ;\n }\n#endif\nstruct StandardVertInput {\n vec2 uv;\n vec4 position;\n vec3 normal;\n vec4 tangent;\n vec4 color;\n};\nattribute vec3 a_position;\n#if CC_USE_ATTRIBUTE_UV0\nattribute vec2 a_uv0;\n#endif\n#if CC_USE_ATTRIBUTE_COLOR\nattribute vec4 a_color;\n#endif\n#if CC_USE_ATTRIBUTE_NORMAL\nattribute vec3 a_normal;\n#endif\n#if CC_USE_ATTRIBUTE_TANGENT\nattribute vec4 a_tangent;\n#endif\nvoid CCAttribute (out StandardVertInput In) {\n In.position = vec4(a_position, 1.0);\n #if CC_USE_ATTRIBUTE_UV0\n In.uv = a_uv0;\n #else\n In.uv = vec2(0.0);\n #endif\n #if CC_USE_ATTRIBUTE_COLOR\n In.color = a_color;\n #else\n In.color = vec4(1.0);\n #endif\n #if CC_USE_ATTRIBUTE_NORMAL\n In.normal = a_normal;\n #else\n In.normal = vec3(0.0, 1.0, 0.0);\n #endif\n #if CC_USE_ATTRIBUTE_TANGENT\n In.tangent = a_tangent;\n #else\n In.tangent = vec4(1.0, 0.0, 0.0, 0.0);\n #endif\n}\nvoid CCVertInput(out StandardVertInput In) {\n CCAttribute(In);\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n In.position = m * In.position;\n #if CC_USE_ATTRIBUTE_NORMAL\n In.normal = (m * vec4(In.normal, 0)).xyz;\n #endif\n #if CC_USE_ATTRIBUTE_TANGENT\n In.tangent = m * In.tangent;\n #endif\n #endif\n}\n#if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n uniform mat4 cc_shadow_lightViewProjMatrix[2];\nuniform vec4 cc_shadow_info[2];\n uniform sampler2D cc_shadow_map_0;\n #if CC_NUM_SHADOW_LIGHTS > 1\n uniform sampler2D cc_shadow_map_1;\n #endif\n varying vec4 v_posLightSpace[2];\n varying float v_depth[2];\n#endif\nvoid CCShadowInput (vec3 worldPos) {\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n for (int i = 0; i < CC_NUM_SHADOW_LIGHTS; i++) {\n v_posLightSpace[i] = cc_shadow_lightViewProjMatrix[i] * vec4(worldPos, 1.0);\n v_depth[i] = (v_posLightSpace[i].z + cc_shadow_info[i].x) / (cc_shadow_info[i].x + cc_shadow_info[i].y);\n }\n #endif\n}\nuniform vec2 mainTiling;\nuniform vec2 mainOffset;\n#if CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || USE_EMISSIVE_TEXTURE || USE_SPECULAR_TEXTURE || USE_NORMAL_TEXTURE)\n varying mediump vec2 v_uv0;\n#endif\n#if CC_USE_ATTRIBUTE_COLOR\n varying lowp vec4 v_color;\n#endif\n#if USE_NORMAL_TEXTURE\n varying vec3 v_tangent;\n varying vec3 v_bitangent;\n#endif\nvarying vec3 v_worldNormal;\nvarying vec3 v_worldPos;\nvarying vec3 v_viewDirection;\nvoid main () {\n StandardVertInput In;\n CCVertInput(In);\n vec4 position = In.position;\n v_worldNormal = normalize((cc_matWorldIT * vec4(In.normal, 0)).xyz);\n v_worldPos = (cc_matWorld * position).xyz;\n v_viewDirection = normalize(cc_cameraPos.xyz - v_worldPos);\n #if CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || USE_EMISSIVE_TEXTURE || USE_SPECULAR_TEXTURE || USE_NORMAL_TEXTURE)\n v_uv0 = In.uv * mainTiling + mainOffset;\n #endif\n #if CC_USE_ATTRIBUTE_COLOR\n v_color = In.color;\n #endif\n #if USE_NORMAL_TEXTURE\n v_tangent = normalize((cc_matWorldIT * vec4(In.tangent.xyz, 0.0)).xyz);\n v_bitangent = cross(v_worldNormal, v_tangent) * In.tangent.w;\n #endif\n CCShadowInput(v_worldPos);\n gl_Position = cc_matViewProj * cc_matWorld * position;\n}",
| "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\n#if USE_ALPHA_TEST\n uniform float alphaThreshold;\n#endif\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\nuniform lowp vec4 diffuseColor;\nuniform lowp vec4 specularColor;\nuniform lowp vec4 emissiveColor;\nuniform float glossiness;\n#if USE_DIFFUSE_TEXTURE\n uniform sampler2D diffuseTexture;\n#endif\n#if USE_SPECULAR_TEXTURE\n uniform sampler2D specularTexture;\n#endif\n#if USE_EMISSIVE_TEXTURE\n uniform sampler2D emissiveTexture;\n#endif\n#if USE_NORMAL_TEXTURE\n varying vec3 v_tangent;\n varying vec3 v_bitangent;\n uniform sampler2D normalTexture;\n#endif\nvarying vec3 v_worldNormal;\nvarying vec3 v_worldPos;\nvarying vec3 v_viewDirection;\n#if CC_USE_ATTRIBUTE_UV0 && (USE_DIFFUSE_TEXTURE || USE_EMISSIVE_TEXTURE || USE_SPECULAR_TEXTURE || USE_NORMAL_TEXTURE)\n varying mediump vec2 v_uv0;\n#endif\n#if CC_USE_ATTRIBUTE_COLOR\n varying lowp vec4 v_color;\n#endif\n#if CC_NUM_DIR_LIGHTS > 0 || CC_NUM_POINT_LIGHTS > 0 || CC_NUM_SPOT_LIGHTS > 0 || CC_NUM_AMBIENT_LIGHTS > 0\nuniform vec4 cc_dirLightDirection[4];\nuniform vec4 cc_dirLightColor[4];\nuniform vec4 cc_pointLightPositionAndRange[4];\nuniform vec4 cc_pointLightColor[4];\nuniform vec4 cc_spotLightPositionAndRange[4];\nuniform vec4 cc_spotLightDirection[4];\nuniform vec4 cc_spotLightColor[4];\nuniform vec4 cc_ambientColor[4];\n#endif\nstruct LightInfo {\n vec3 lightDir;\n vec3 radiance;\n};\nLightInfo computeDirectionalLighting(\n vec4 lightDirection,\n vec4 lightColor\n) {\n LightInfo ret;\n ret.lightDir = -normalize(lightDirection.xyz);\n ret.radiance = lightColor.rgb;\n return ret;\n}\nLightInfo computePointLighting(\n vec3 worldPosition,\n vec4 lightPositionAndRange,\n vec4 lightColor\n) {\n LightInfo ret;\n vec3 lightDir = lightPositionAndRange.xyz - worldPosition;\n float attenuation = max(0., 1.0 - length(lightDir) / lightPositionAndRange.w);\n ret.lightDir = normalize(lightDir);\n ret.radiance = lightColor.rgb * attenuation;\n return ret;\n}\nLightInfo computeSpotLighting(\n vec3 worldPosition,\n vec4 lightPositionAndRange,\n vec4 lightDirection,\n vec4 lightColor\n) {\n LightInfo ret;\n vec3 lightDir = lightPositionAndRange.xyz - worldPosition;\n float attenuation = max(0., 1.0 - length(lightDir) / lightPositionAndRange.w);\n lightDir = normalize(lightDir);\n float cosConeAngle = max(0., dot(lightDirection.xyz, -lightDir));\n cosConeAngle = cosConeAngle < lightDirection.w ? 0. : cosConeAngle;\n cosConeAngle = pow(cosConeAngle, lightColor.w);\n ret.lightDir = lightDir;\n ret.radiance = lightColor.rgb * attenuation * cosConeAngle;\n return ret;\n}\n#if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n uniform vec4 cc_shadow_info[2];\n uniform sampler2D cc_shadow_map_0;\n #if CC_NUM_SHADOW_LIGHTS > 1\n uniform sampler2D cc_shadow_map_1;\n #endif\n varying vec4 v_posLightSpace[2];\n varying float v_depth[2];\n#endif\nfloat unpackRGBAToDepth(vec4 color) {\n return dot(color, vec4(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 160581375.0));\n}\nfloat computeFallOff(float esm, vec2 coords, float frustumEdgeFalloff) {\n float mask = smoothstep(1.0 - frustumEdgeFalloff, 1.0, clamp(dot(coords, coords), 0.0, 1.0));\n return mix(esm, 1.0, mask);\n}\nfloat computeShadowESM(sampler2D shadowMap, vec4 posLightspace, float vDepth, float depthScale, float darkness, float frustumEdgeFalloff) {\n vec2 projCoords = posLightspace.xy / posLightspace.w;\n vec2 shadowUV = projCoords * 0.5 + vec2(0.5);\n if (shadowUV.x < 0.0 || shadowUV.x > 1.0 || shadowUV.y < 0.0 || shadowUV.y > 1.0) {\n return 1.0;\n }\n float currentDepth = clamp(vDepth, 0.0, 1.0);\n float closestDepth = unpackRGBAToDepth(texture2D(shadowMap, shadowUV));\n float esm = clamp(exp(-depthScale * (currentDepth - closestDepth)), 1.0 - darkness, 1.0);\n return computeFallOff(esm, projCoords, frustumEdgeFalloff);\n}\nfloat CCCalcShadow() {\n float shadow = 1.0;\n float frustumEdgeFalloff = 0.0;\n #if CC_USE_SHADOW_MAP\n #if CC_NUM_SHADOW_LIGHTS > 0\n shadow *= computeShadowESM(cc_shadow_map_0, v_posLightSpace[0], v_depth[0], cc_shadow_info[0].z, cc_shadow_info[0].w, frustumEdgeFalloff);\n #endif\n #if CC_NUM_SHADOW_LIGHTS > 1\n shadow *= computeShadowESM(cc_shadow_map_1, v_posLightSpace[1], v_depth[1], cc_shadow_info[1].z, cc_shadow_info[1].w, frustumEdgeFalloff);\n #endif\n #endif\n return shadow;\n}\nstruct PhongSurface {\n vec3 diffuse;\n vec3 emissive;\n vec3 specular;\n float opacity;\n float glossiness;\n vec3 position;\n vec3 normal;\n vec3 viewDirection;\n};\nstruct Lighting {\n vec3 diffuse;\n vec3 specular;\n};\nvoid brdf (inout Lighting result, LightInfo info, vec3 normal, vec3 viewDirection, float glossiness) {\n float ndh = 0.0;\n vec3 halfDir = normalize(viewDirection + info.lightDir);\n float NdotH = max(0.0, dot(normal, halfDir));\n NdotH = pow(NdotH, max(1.0, glossiness * 128.0));\n vec3 diffuse = info.radiance * max(0.0, dot(normal, info.lightDir));\n vec3 specular = info.radiance * NdotH;\n result.diffuse += diffuse;\n result.specular += specular;\n}\nvec4 composePhongShading (Lighting lighting, PhongSurface s) {\n vec4 o = vec4(0.0, 0.0, 0.0, 1.0);\n o.rgb = lighting.diffuse * s.diffuse;\n #if USE_EMISSIVE\n o.rgb += s.emissive;\n #endif\n #if USE_SPECULAR\n o.rgb += lighting.specular * s.specular;\n #endif\n #if CC_USE_SHADOW_MAP\n o.rgb *= CCCalcShadow();\n #endif\n o.a = s.opacity;\n return o;\n}\nvec4 CCPhongShading (in PhongSurface s) {\n Lighting phongLighting;\n phongLighting.diffuse = vec3(0, 0, 0);\n phongLighting.specular = vec3(0, 0, 0);\n #if CC_NUM_DIR_LIGHTS > 0\n for (int i = 0; i < CC_NUM_DIR_LIGHTS; i++) {\n LightInfo info = computeDirectionalLighting(cc_dirLightDirection[i], cc_dirLightColor[i]);\n brdf(phongLighting, info, s.normal, s.viewDirection, s.glossiness);\n }\n #endif\n #if CC_NUM_POINT_LIGHTS > 0\n for (int i = 0; i < CC_NUM_POINT_LIGHTS; i++) {\n LightInfo info = computePointLighting(s.position, cc_pointLightPositionAndRange[i], cc_pointLightColor[i]);\n brdf(phongLighting, info, s.normal, s.viewDirection, s.glossiness);\n }\n #endif\n #if CC_NUM_SPOT_LIGHTS > 0\n for (int i = 0; i < CC_NUM_SPOT_LIGHTS; i++) {\n LightInfo info = computeSpotLighting(s.position, cc_spotLightPositionAndRange[i], cc_spotLightDirection[i], cc_spotLightColor[i]);\n brdf(phongLighting, info, s.normal, s.viewDirection, s.glossiness);\n }\n #endif\n #if CC_NUM_AMBIENT_LIGHTS > 0\n for (int i = 0; i < CC_NUM_AMBIENT_LIGHTS; i++) {\n phongLighting.diffuse += cc_ambientColor[i].rgb;\n }\n #endif\n return composePhongShading(phongLighting, s);\n}\nvoid surf (out PhongSurface s) {\n vec4 diffuse = vec4(1, 1, 1, 1);\n #if CC_USE_ATTRIBUTE_COLOR\n diffuse *= v_color;\n #endif\n diffuse *= diffuseColor;\n #if USE_DIFFUSE_TEXTURE\n vec4 diffuseTexture_tmp = texture2D(diffuseTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_diffuseTexture\n diffuseTexture_tmp.a *= texture2D(diffuseTexture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #if INPUT_IS_GAMMA\n diffuse.rgb *= (diffuseTexture_tmp.rgb * diffuseTexture_tmp.rgb);\n diffuse.a *= diffuseTexture_tmp.a;\n #else\n diffuse *= diffuseTexture_tmp;\n #endif\n #endif\n ALPHA_TEST(diffuse);\n s.diffuse = diffuse.rgb;\n s.opacity = diffuse.a;\n s.emissive = emissiveColor.rgb;\n #if USE_EMISSIVE_TEXTURE\n vec4 emissiveTexture_tmp = texture2D(emissiveTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_emissiveTexture\n emissiveTexture_tmp.a *= texture2D(emissiveTexture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #if INPUT_IS_GAMMA\n s.emissive.rgb *= (emissiveTexture_tmp.rgb * emissiveTexture_tmp.rgb);\n #else\n s.emissive.rgb *= emissiveTexture_tmp.rgb;\n #endif\n #endif\n s.specular = specularColor.rgb;\n #if USE_SPECULAR_TEXTURE\n vec4 specularTexture_tmp = texture2D(specularTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_specularTexture\n specularTexture_tmp.a *= texture2D(specularTexture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #if INPUT_IS_GAMMA\n s.specular.rgb *= (specularTexture_tmp.rgb * specularTexture_tmp.rgb);\n #else\n s.specular.rgb *= specularTexture_tmp.rgb;\n #endif\n #endif\n s.normal = v_worldNormal;\n #if USE_NORMAL_TEXTURE\n vec3 nmmp = texture2D(normalTexture, v_uv0).xyz - vec3(0.5);\n s.normal =\n nmmp.x * normalize(v_tangent) +\n nmmp.y * normalize(v_bitangent) +\n nmmp.z * normalize(s.normal);\n #endif\n s.position = v_worldPos;\n s.viewDirection = v_viewDirection;\n s.glossiness = glossiness;\n}\nvoid main () {\n PhongSurface s;\n surf(s);\n vec4 color = CCPhongShading(s);\n gl_FragColor = CCFragOutput(color);\n}"
| },
| "builtins": {
| "globals": {
| "blocks": [
| {
| "name": "CCGlobal",
| "defines": []
| },
| {
| "name": "CC_SHADOW",
| "defines": [
| "CC_USE_SHADOW_MAP",
| "CC_NUM_SHADOW_LIGHTS"
| ]
| },
| {
| "name": "CCLIGHTS",
| "defines": []
| }
| ],
| "samplers": [
| {
| "name": "cc_shadow_map_0",
| "defines": [
| "CC_USE_SHADOW_MAP",
| "CC_NUM_SHADOW_LIGHTS"
| ]
| },
| {
| "name": "cc_shadow_map_1",
| "defines": [
| "CC_USE_SHADOW_MAP",
| "CC_NUM_SHADOW_LIGHTS"
| ]
| }
| ]
| },
| "locals": {
| "blocks": [
| {
| "name": "CCLocal",
| "defines": []
| }
| ],
| "samplers": []
| }
| },
| "defines": [
| {
| "name": "CC_USE_SKINNING",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_USE_JOINTS_TEXTRUE",
| "type": "boolean",
| "defines": [
| "CC_USE_SKINNING"
| ]
| },
| {
| "name": "CC_JOINTS_TEXTURE_FLOAT32",
| "type": "boolean",
| "defines": [
| "CC_USE_SKINNING",
| "CC_USE_JOINTS_TEXTRUE"
| ]
| },
| {
| "name": "CC_USE_ATTRIBUTE_UV0",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_USE_ATTRIBUTE_COLOR",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_USE_ATTRIBUTE_NORMAL",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_USE_ATTRIBUTE_TANGENT",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_USE_SHADOW_MAP",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_NUM_SHADOW_LIGHTS",
| "type": "number",
| "defines": [
| "CC_USE_SHADOW_MAP"
| ],
| "range": [
| 0,
| 3
| ]
| },
| {
| "name": "USE_DIFFUSE_TEXTURE",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "USE_NORMAL_TEXTURE",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "OUTPUT_TO_GAMMA",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "USE_ALPHA_TEST",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "USE_SPECULAR_TEXTURE",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "USE_EMISSIVE_TEXTURE",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_NUM_DIR_LIGHTS",
| "type": "number",
| "defines": [],
| "range": [
| 0,
| 3
| ]
| },
| {
| "name": "USE_EMISSIVE",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "USE_SPECULAR",
| "type": "boolean",
| "defines": []
| },
| {
| "name": "CC_NUM_POINT_LIGHTS",
| "type": "number",
| "defines": [],
| "range": [
| 0,
| 3
| ]
| },
| {
| "name": "CC_NUM_SPOT_LIGHTS",
| "type": "number",
| "defines": [],
| "range": [
| 0,
| 3
| ]
| },
| {
| "name": "CC_NUM_AMBIENT_LIGHTS",
| "type": "number",
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| "name": "CC_USE_ALPHA_ATLAS_diffuseTexture",
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| "vert": "\nprecision highp float;\nin vec3 a_position;\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nuniform CC_SHADOW_MAP {\n mat4 cc_shadow_map_lightViewProjMatrix;\n vec4 cc_shadow_map_info;\n float cc_shadow_map_bias;\n};\nout float v_depth;\n#if CC_USE_SKINNING\n in vec4 a_weights;\n in vec4 a_joints;\n #if CC_USE_JOINTS_TEXTRUE\n uniform SKINNING {\n vec2 jointsTextureSize;\n };\n uniform sampler2D jointsTexture;\n #if CC_JOINTS_TEXTURE_FLOAT32\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 4.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = texture2D(jointsTexture, vec2(dx * (x + 0.5), y));\n vec4 v2 = texture2D(jointsTexture, vec2(dx * (x + 1.5), y));\n vec4 v3 = texture2D(jointsTexture, vec2(dx * (x + 2.5), y));\n vec4 v4 = texture2D(jointsTexture, vec2(dx * (x + 3.5), y));\n return mat4(v1, v2, v3, v4);\n }\n #else\n float decode32(vec4 rgba) {\n float Sign = 1.0 - step(128.0, rgba[0]) * 2.0;\n float Exponent = 2.0 * mod(rgba[0], 128.0) + step(128.0, rgba[1]) - 127.0;\n float Mantissa = mod(rgba[1], 128.0) * 65536.0 + rgba[2] * 256.0 + rgba[3] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n }\n vec4 decodevec4 (vec4 x, vec4 y, vec4 z, vec4 w) {\n return vec4(\n decode32(x.wzyx * 255.0),\n decode32(y.wzyx * 255.0),\n decode32(z.wzyx * 255.0),\n decode32(w.wzyx * 255.0)\n );\n }\n vec4 decodevec4 (float dx, float x, float y) {\n return decodevec4(\n texture2D(jointsTexture, vec2(dx * (x + 0.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 1.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 2.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 3.5), y))\n );\n }\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 16.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = decodevec4(dx, x, y);\n vec4 v2 = decodevec4(dx, x+4.0, y);\n vec4 v3 = decodevec4(dx, x+8.0, y);\n vec4 v4 = decodevec4(dx, x+12.0, y);\n return mat4(v1, v2, v3, v4);\n }\n #endif\n #else\n uniform JOINT_MATRIX {\n mat4 jointMatrices[50];\n };\n mat4 getBoneMatrix(const in float i) {\n return jointMatrices[int(i)];\n }\n #endif\n mat4 skinMatrix() {\n return\n getBoneMatrix(a_joints.x) * a_weights.x +\n getBoneMatrix(a_joints.y) * a_weights.y +\n getBoneMatrix(a_joints.z) * a_weights.z +\n getBoneMatrix(a_joints.w) * a_weights.w\n ;\n }\n#endif\nvoid SKIN_VERTEX(inout vec4 a1) {\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n a1 = m * a1;\n #endif\n}\nvoid SKIN_VERTEX(inout vec4 a1, inout vec4 a2) {\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n a1 = m * a1;\n a2 = m * a2;\n #endif\n}\nvoid SKIN_VERTEX(inout vec4 a1, inout vec4 a2, inout vec4 a3) {\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n a1 = m * a1;\n a2 = m * a2;\n a3 = m * a3;\n #endif\n}\nvoid main () {\n vec4 position = vec4(a_position, 1);\n SKIN_VERTEX(position);\n gl_Position = cc_shadow_map_lightViewProjMatrix * cc_matWorld * position;\n v_depth = ((gl_Position.z + cc_shadow_map_info.x) / (cc_shadow_map_info.x + cc_shadow_map_info.y)) + cc_shadow_map_bias;\n}",
| "frag": "\nprecision highp float;\nin float v_depth;\nvec4 packDepthToRGBA(float depth) {\n vec4 ret = vec4(1.0, 255.0, 65025.0, 160581375.0) * depth;\n ret = fract(ret);\n ret -= ret.yzww * vec4(1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0, 0.0);\n return ret;\n}\nvoid main () {\n gl_FragColor = packDepthToRGBA(v_depth);\n}"
| },
| "glsl1": {
| "vert": "\nprecision highp float;\nattribute vec3 a_position;\nuniform mat4 cc_matWorld;\nuniform mat4 cc_shadow_map_lightViewProjMatrix;\nuniform vec4 cc_shadow_map_info;\nuniform float cc_shadow_map_bias;\nvarying float v_depth;\n#if CC_USE_SKINNING\n attribute vec4 a_weights;\n attribute vec4 a_joints;\n #if CC_USE_JOINTS_TEXTRUE\n uniform vec2 jointsTextureSize;\n uniform sampler2D jointsTexture;\n #if CC_JOINTS_TEXTURE_FLOAT32\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 4.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = texture2D(jointsTexture, vec2(dx * (x + 0.5), y));\n vec4 v2 = texture2D(jointsTexture, vec2(dx * (x + 1.5), y));\n vec4 v3 = texture2D(jointsTexture, vec2(dx * (x + 2.5), y));\n vec4 v4 = texture2D(jointsTexture, vec2(dx * (x + 3.5), y));\n return mat4(v1, v2, v3, v4);\n }\n #else\n float decode32(vec4 rgba) {\n float Sign = 1.0 - step(128.0, rgba[0]) * 2.0;\n float Exponent = 2.0 * mod(rgba[0], 128.0) + step(128.0, rgba[1]) - 127.0;\n float Mantissa = mod(rgba[1], 128.0) * 65536.0 + rgba[2] * 256.0 + rgba[3] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n }\n vec4 decodevec4 (vec4 x, vec4 y, vec4 z, vec4 w) {\n return vec4(\n decode32(x.wzyx * 255.0),\n decode32(y.wzyx * 255.0),\n decode32(z.wzyx * 255.0),\n decode32(w.wzyx * 255.0)\n );\n }\n vec4 decodevec4 (float dx, float x, float y) {\n return decodevec4(\n texture2D(jointsTexture, vec2(dx * (x + 0.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 1.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 2.5), y)),\n texture2D(jointsTexture, vec2(dx * (x + 3.5), y))\n );\n }\n mat4 getBoneMatrix(const in float i) {\n float width = jointsTextureSize.x;\n float height = jointsTextureSize.y;\n float j = i * 16.0;\n float x = mod(j, width);\n float y = floor(j / width);\n float dx = 1.0 / width;\n float dy = 1.0 / height;\n y = dy * (y + 0.5);\n vec4 v1 = decodevec4(dx, x, y);\n vec4 v2 = decodevec4(dx, x+4.0, y);\n vec4 v3 = decodevec4(dx, x+8.0, y);\n vec4 v4 = decodevec4(dx, x+12.0, y);\n return mat4(v1, v2, v3, v4);\n }\n #endif\n #else\n uniform mat4 jointMatrices[50];\n mat4 getBoneMatrix(const in float i) {\n return jointMatrices[int(i)];\n }\n #endif\n mat4 skinMatrix() {\n return\n getBoneMatrix(a_joints.x) * a_weights.x +\n getBoneMatrix(a_joints.y) * a_weights.y +\n getBoneMatrix(a_joints.z) * a_weights.z +\n getBoneMatrix(a_joints.w) * a_weights.w\n ;\n }\n#endif\nvoid SKIN_VERTEX(inout vec4 a1) {\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n a1 = m * a1;\n #endif\n}\nvoid SKIN_VERTEX(inout vec4 a1, inout vec4 a2) {\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n a1 = m * a1;\n a2 = m * a2;\n #endif\n}\nvoid SKIN_VERTEX(inout vec4 a1, inout vec4 a2, inout vec4 a3) {\n #if CC_USE_SKINNING\n mat4 m = skinMatrix();\n a1 = m * a1;\n a2 = m * a2;\n a3 = m * a3;\n #endif\n}\nvoid main () {\n vec4 position = vec4(a_position, 1);\n SKIN_VERTEX(position);\n gl_Position = cc_shadow_map_lightViewProjMatrix * cc_matWorld * position;\n v_depth = ((gl_Position.z + cc_shadow_map_info.x) / (cc_shadow_map_info.x + cc_shadow_map_info.y)) + cc_shadow_map_bias;\n}",
| "frag": "\nprecision highp float;\nvarying float v_depth;\nvec4 packDepthToRGBA(float depth) {\n vec4 ret = vec4(1.0, 255.0, 65025.0, 160581375.0) * depth;\n ret = fract(ret);\n ret -= ret.yzww * vec4(1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0, 0.0);\n return ret;\n}\nvoid main () {\n gl_FragColor = packDepthToRGBA(v_depth);\n}"
| },
| "builtins": {
| "globals": {
| "blocks": [
| {
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| "defines": []
| }
| ],
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| },
| "locals": {
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| "defines": []
| },
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| }
|
|
