{ "__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": 3560892936, "glsl3": { "vert": "\nprecision highp float;\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nuniform CCGlobal {\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\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 = texture(jointsTexture, vec2(dx * (x + 0.5), y));\n vec4 v2 = texture(jointsTexture, vec2(dx * (x + 1.5), y));\n vec4 v3 = texture(jointsTexture, vec2(dx * (x + 2.5), y));\n vec4 v4 = texture(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 texture(jointsTexture, vec2(dx * (x + 0.5), y)),\n texture(jointsTexture, vec2(dx * (x + 1.5), y)),\n texture(jointsTexture, vec2(dx * (x + 2.5), y)),\n texture(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 #if CC_NUM_SHADOW_LIGHTS > 0\n uniform sampler2D cc_shadow_map_0;\n #endif\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_matWorld * 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 mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\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 && USE_SPECULAR_TEXTURE\n uniform sampler2D specularTexture;\n#endif\n#if USE_EMISSIVE && 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 && USE_EMISSIVE_TEXTURE) || (USE_SPECULAR && 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_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 #if CC_NUM_SHADOW_LIGHTS > 0\n uniform sampler2D cc_shadow_map_0;\n #endif\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 getDepth(sampler2D shadowMap, vec2 shadowUV) {\n return unpackRGBAToDepth(texture(shadowMap, shadowUV));\n}\nfloat computeFallOff(float shadow, vec2 coords, float frustumEdgeFalloff) {\n return shadow;\n}\nfloat shadowSimple(sampler2D shadowMap, vec2 shadowUV, float currentDepth, float darkness) {\n float closestDepth = getDepth(shadowMap, shadowUV);\n return currentDepth > closestDepth ? 1.0 - darkness : 1.0;\n}\nfloat shadowPCF3X3(sampler2D shadowMap, vec2 shadowUV, float currentDepth, float darkness, float shadowSize) {\n float shadow = 0.0;\n for (int x = -1; x <= 1; ++x) {\n for (int y = -1; y <= 1; ++y) {\n float closestDepth = getDepth(shadowMap, shadowUV + vec2(x, y) * 1.0/shadowSize);\n shadow += currentDepth > closestDepth ? 1.0 - darkness : 1.0;\n }\n }\n shadow /= 9.0;\n return shadow;\n}\nfloat shadowPCF5X5(sampler2D shadowMap, vec2 shadowUV, float currentDepth, float darkness, float shadowSize) {\n float shadow = 0.0;\n for (int x = -2; x <= 2; ++x) {\n for (int y = -2; y <= 2; ++y) {\n float closestDepth = getDepth(shadowMap, shadowUV + vec2(x, y) * 1.0/shadowSize);\n shadow += currentDepth > closestDepth ? 1.0 - darkness : 1.0;\n }\n }\n shadow /= 25.0;\n return shadow;\n}\n#if CC_NUM_LIGHTS > 0\nuniform CCLIGHTS {\n vec4 cc_lightPositionAndRange[4];\n vec4 cc_lightDirection[4];\n vec4 cc_lightColor[4];\n};\n#endif\nstruct LightInfo {\n vec3 lightDir;\n vec3 radiance;\n vec4 lightColor;\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 ret.lightColor = lightColor;\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 ret.lightColor = lightColor;\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 ret.lightColor = lightColor;\n return ret;\n}\nstruct Lighting {\n vec3 diffuse;\n vec3 specular;\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};\nLighting brdf (PhongSurface s, LightInfo info) {\n Lighting result;\n float ndh = 0.0;\n vec3 halfDir = normalize(s.viewDirection + info.lightDir);\n float NdotH = max(0.0, dot(s.normal, halfDir));\n NdotH = pow(NdotH, max(1.0, s.glossiness * 128.0));\n result.diffuse = info.radiance * max(0.0, dot(s.normal, info.lightDir));\n result.specular = info.radiance * NdotH;\n return result;\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 o.a = s.opacity;\n return o;\n}\nvec3 ambient(PhongSurface s, vec4 ambientColor) {\n return s.diffuse * ambientColor.rgb;\n}\nvec4 CCPhongShading (in PhongSurface s) {\n Lighting result;\n result.diffuse = vec3(0, 0, 0);\n result.specular = vec3(0, 0, 0);\n #if CC_NUM_LIGHTS > 0\n #if CC_LIGHT_0_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[0]);\n #else\n LightInfo info0;\n #if CC_LIGHT_0_TYPE == 0\n info0 = computeDirectionalLighting(cc_lightDirection[0], cc_lightColor[0]);\n #elif CC_LIGHT_0_TYPE == 1\n info0 = computePointLighting(s.position, cc_lightPositionAndRange[0], cc_lightColor[0]);\n #elif CC_LIGHT_0_TYPE == 2\n info0 = computeSpotLighting(s.position, cc_lightPositionAndRange[0], cc_lightDirection[0], cc_lightColor[0]);\n #endif\n Lighting result0 = brdf(s, info0);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n float shadow_0 = 1.0;\n vec2 projCoords0 = v_posLightSpace[0].xy / v_posLightSpace[0].w;\n vec2 shadowUV0 = projCoords0 * 0.5 + vec2(0.5);\n if (shadowUV0.x >= 0.0 && shadowUV0.x <= 1.0 && shadowUV0.y >= 0.0 && shadowUV0.y <= 1.0) {\n float currentDepth0 = clamp(v_depth[0], 0.0, 1.0);\n #if CC_SHADOW_0_TYPE == 3\n shadow_0 = shadowPCF3X3(cc_shadow_map_0, shadowUV0, currentDepth0, cc_shadow_info[0].w, cc_shadow_info[0].z);\n #elif CC_SHADOW_0_TYPE == 4\n shadow_0 = shadowPCF5X5(cc_shadow_map_0, shadowUV0, currentDepth0, cc_shadow_info[0].w, cc_shadow_info[0].z);\n #else\n shadow_0 = shadowSimple(cc_shadow_map_0, shadowUV0, currentDepth0, cc_shadow_info[0].w);\n #endif\n shadow_0 = computeFallOff(shadow_0, projCoords0, 0.0);\n }\n result0.diffuse *= shadow_0;\n result0.specular *= shadow_0;\n #endif\n result.diffuse += result0.diffuse;\n result.specular += result0.specular;\n #endif\n #endif\n #if CC_NUM_LIGHTS > 1\n #if CC_LIGHT_1_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[1]);\n #else\n LightInfo info1;\n #if CC_LIGHT_1_TYPE == 0\n info1 = computeDirectionalLighting(cc_lightDirection[1], cc_lightColor[1]);\n #elif CC_LIGHT_1_TYPE == 1\n info1 = computePointLighting(s.position, cc_lightPositionAndRange[1], cc_lightColor[1]);\n #elif CC_LIGHT_1_TYPE == 2\n info1 = computeSpotLighting(s.position, cc_lightPositionAndRange[1], cc_lightDirection[1], cc_lightColor[1]);\n #endif\n Lighting result1 = brdf(s, info1);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 1\n float shadow_1 = 1.0;\n vec2 projCoords1 = v_posLightSpace[1].xy / v_posLightSpace[1].w;\n vec2 shadowUV1 = projCoords1 * 0.5 + vec2(0.5);\n if (shadowUV1.x >= 0.0 && shadowUV1.x <= 1.0 && shadowUV1.y >= 0.0 && shadowUV1.y <= 1.0) {\n float currentDepth1 = clamp(v_depth[1], 0.0, 1.0);\n #if CC_SHADOW_1_TYPE == 3\n shadow_1 = shadowPCF3X3(cc_shadow_map_1, shadowUV1, currentDepth1, cc_shadow_info[1].w, cc_shadow_info[1].z);\n #elif CC_SHADOW_1_TYPE == 4\n shadow_1 = shadowPCF5X5(cc_shadow_map_1, shadowUV1, currentDepth1, cc_shadow_info[1].w, cc_shadow_info[1].z);\n #else\n shadow_1 = shadowSimple(cc_shadow_map_1, shadowUV1, currentDepth1, cc_shadow_info[1].w);\n #endif\n shadow_1 = computeFallOff(shadow_1, projCoords1, 0.0);\n }\n result1.diffuse *= shadow_1;\n result1.specular *= shadow_1;\n #endif\n result.diffuse += result1.diffuse;\n result.specular += result1.specular;\n #endif\n #endif\n #if CC_NUM_LIGHTS > 2\n #if CC_LIGHT_2_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[2]);\n #else\n LightInfo info2;\n #if CC_LIGHT_2_TYPE == 0\n info2 = computeDirectionalLighting(cc_lightDirection[2], cc_lightColor[2]);\n #elif CC_LIGHT_2_TYPE == 1\n info2 = computePointLighting(s.position, cc_lightPositionAndRange[2], cc_lightColor[2]);\n #elif CC_LIGHT_2_TYPE == 2\n info2 = computeSpotLighting(s.position, cc_lightPositionAndRange[2], cc_lightDirection[2], cc_lightColor[2]);\n #endif\n Lighting result2 = brdf(s, info2);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 2\n float shadow_2 = 1.0;\n vec2 projCoords2 = v_posLightSpace[2].xy / v_posLightSpace[2].w;\n vec2 shadowUV2 = projCoords2 * 0.5 + vec2(0.5);\n if (shadowUV2.x >= 0.0 && shadowUV2.x <= 1.0 && shadowUV2.y >= 0.0 && shadowUV2.y <= 1.0) {\n float currentDepth2 = clamp(v_depth[2], 0.0, 1.0);\n #if CC_SHADOW_2_TYPE == 3\n shadow_2 = shadowPCF3X3(cc_shadow_map_2, shadowUV2, currentDepth2, cc_shadow_info[2].w, cc_shadow_info[2].z);\n #elif CC_SHADOW_2_TYPE == 4\n shadow_2 = shadowPCF5X5(cc_shadow_map_2, shadowUV2, currentDepth2, cc_shadow_info[2].w, cc_shadow_info[2].z);\n #else\n shadow_2 = shadowSimple(cc_shadow_map_2, shadowUV2, currentDepth2, cc_shadow_info[2].w);\n #endif\n shadow_2 = computeFallOff(shadow_2, projCoords2, 0.0);\n }\n result2.diffuse *= shadow_2;\n result2.specular *= shadow_2;\n #endif\n result.diffuse += result2.diffuse;\n result.specular += result2.specular;\n #endif\n #endif\n #if CC_NUM_LIGHTS > 3\n #if CC_LIGHT_3_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[3]);\n #else\n LightInfo info3;\n #if CC_LIGHT_3_TYPE == 0\n info3 = computeDirectionalLighting(cc_lightDirection[3], cc_lightColor[3]);\n #elif CC_LIGHT_3_TYPE == 1\n info3 = computePointLighting(s.position, cc_lightPositionAndRange[3], cc_lightColor[3]);\n #elif CC_LIGHT_3_TYPE == 2\n info3 = computeSpotLighting(s.position, cc_lightPositionAndRange[3], cc_lightDirection[3], cc_lightColor[3]);\n #endif\n Lighting result3 = brdf(s, info3);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 3\n float shadow_3 = 1.0;\n vec2 projCoords3 = v_posLightSpace[3].xy / v_posLightSpace[3].w;\n vec2 shadowUV3 = projCoords3 * 0.5 + vec2(0.5);\n if (shadowUV3.x >= 0.0 && shadowUV3.x <= 1.0 && shadowUV3.y >= 0.0 && shadowUV3.y <= 1.0) {\n float currentDepth3 = clamp(v_depth[3], 0.0, 1.0);\n #if CC_SHADOW_3_TYPE == 3\n shadow_3 = shadowPCF3X3(cc_shadow_map_3, shadowUV3, currentDepth3, cc_shadow_info[3].w, cc_shadow_info[3].z);\n #elif CC_SHADOW_3_TYPE == 4\n shadow_3 = shadowPCF5X5(cc_shadow_map_3, shadowUV3, currentDepth3, cc_shadow_info[3].w, cc_shadow_info[3].z);\n #else\n shadow_3 = shadowSimple(cc_shadow_map_3, shadowUV3, currentDepth3, cc_shadow_info[3].w);\n #endif\n shadow_3 = computeFallOff(shadow_3, projCoords3, 0.0);\n }\n result3.diffuse *= shadow_3;\n result3.specular *= shadow_3;\n #endif\n result.diffuse += result3.diffuse;\n result.specular += result3.specular;\n #endif\n #endif\n return composePhongShading(result, 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 = texture(diffuseTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_diffuseTexture\n diffuseTexture_tmp.a *= texture(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 #if USE_EMISSIVE\n s.emissive = emissiveColor.rgb;\n #if USE_EMISSIVE_TEXTURE\n vec4 emissiveTexture_tmp = texture(emissiveTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_emissiveTexture\n emissiveTexture_tmp.a *= texture(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 #endif\n #if USE_SPECULAR\n s.specular = specularColor.rgb;\n #if USE_SPECULAR_TEXTURE\n vec4 specularTexture_tmp = texture(specularTexture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_specularTexture\n specularTexture_tmp.a *= texture(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 #endif\n s.normal = v_worldNormal;\n #if USE_NORMAL_TEXTURE\n vec3 nmmp = texture(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 s.normal = 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 mat4 cc_matViewProj;\nuniform 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 #if CC_NUM_SHADOW_LIGHTS > 0\n uniform sampler2D cc_shadow_map_0;\n #endif\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_matWorld * 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 && USE_SPECULAR_TEXTURE\n uniform sampler2D specularTexture;\n#endif\n#if USE_EMISSIVE && 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 && USE_EMISSIVE_TEXTURE) || (USE_SPECULAR && 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_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n uniform vec4 cc_shadow_info[2];\n #if CC_NUM_SHADOW_LIGHTS > 0\n uniform sampler2D cc_shadow_map_0;\n #endif\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 getDepth(sampler2D shadowMap, vec2 shadowUV) {\n return unpackRGBAToDepth(texture2D(shadowMap, shadowUV));\n}\nfloat computeFallOff(float shadow, vec2 coords, float frustumEdgeFalloff) {\n return shadow;\n}\nfloat shadowSimple(sampler2D shadowMap, vec2 shadowUV, float currentDepth, float darkness) {\n float closestDepth = getDepth(shadowMap, shadowUV);\n return currentDepth > closestDepth ? 1.0 - darkness : 1.0;\n}\nfloat shadowPCF3X3(sampler2D shadowMap, vec2 shadowUV, float currentDepth, float darkness, float shadowSize) {\n float shadow = 0.0;\n for (int x = -1; x <= 1; ++x) {\n for (int y = -1; y <= 1; ++y) {\n float closestDepth = getDepth(shadowMap, shadowUV + vec2(x, y) * 1.0/shadowSize);\n shadow += currentDepth > closestDepth ? 1.0 - darkness : 1.0;\n }\n }\n shadow /= 9.0;\n return shadow;\n}\nfloat shadowPCF5X5(sampler2D shadowMap, vec2 shadowUV, float currentDepth, float darkness, float shadowSize) {\n float shadow = 0.0;\n for (int x = -2; x <= 2; ++x) {\n for (int y = -2; y <= 2; ++y) {\n float closestDepth = getDepth(shadowMap, shadowUV + vec2(x, y) * 1.0/shadowSize);\n shadow += currentDepth > closestDepth ? 1.0 - darkness : 1.0;\n }\n }\n shadow /= 25.0;\n return shadow;\n}\n#if CC_NUM_LIGHTS > 0\nuniform vec4 cc_lightPositionAndRange[4];\nuniform vec4 cc_lightDirection[4];\nuniform vec4 cc_lightColor[4];\n#endif\nstruct LightInfo {\n vec3 lightDir;\n vec3 radiance;\n vec4 lightColor;\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 ret.lightColor = lightColor;\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 ret.lightColor = lightColor;\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 ret.lightColor = lightColor;\n return ret;\n}\nstruct Lighting {\n vec3 diffuse;\n vec3 specular;\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};\nLighting brdf (PhongSurface s, LightInfo info) {\n Lighting result;\n float ndh = 0.0;\n vec3 halfDir = normalize(s.viewDirection + info.lightDir);\n float NdotH = max(0.0, dot(s.normal, halfDir));\n NdotH = pow(NdotH, max(1.0, s.glossiness * 128.0));\n result.diffuse = info.radiance * max(0.0, dot(s.normal, info.lightDir));\n result.specular = info.radiance * NdotH;\n return result;\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 o.a = s.opacity;\n return o;\n}\nvec3 ambient(PhongSurface s, vec4 ambientColor) {\n return s.diffuse * ambientColor.rgb;\n}\nvec4 CCPhongShading (in PhongSurface s) {\n Lighting result;\n result.diffuse = vec3(0, 0, 0);\n result.specular = vec3(0, 0, 0);\n #if CC_NUM_LIGHTS > 0\n #if CC_LIGHT_0_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[0]);\n #else\n LightInfo info0;\n #if CC_LIGHT_0_TYPE == 0\n info0 = computeDirectionalLighting(cc_lightDirection[0], cc_lightColor[0]);\n #elif CC_LIGHT_0_TYPE == 1\n info0 = computePointLighting(s.position, cc_lightPositionAndRange[0], cc_lightColor[0]);\n #elif CC_LIGHT_0_TYPE == 2\n info0 = computeSpotLighting(s.position, cc_lightPositionAndRange[0], cc_lightDirection[0], cc_lightColor[0]);\n #endif\n Lighting result0 = brdf(s, info0);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 0\n float shadow_0 = 1.0;\n vec2 projCoords0 = v_posLightSpace[0].xy / v_posLightSpace[0].w;\n vec2 shadowUV0 = projCoords0 * 0.5 + vec2(0.5);\n if (shadowUV0.x >= 0.0 && shadowUV0.x <= 1.0 && shadowUV0.y >= 0.0 && shadowUV0.y <= 1.0) {\n float currentDepth0 = clamp(v_depth[0], 0.0, 1.0);\n #if CC_SHADOW_0_TYPE == 3\n shadow_0 = shadowPCF3X3(cc_shadow_map_0, shadowUV0, currentDepth0, cc_shadow_info[0].w, cc_shadow_info[0].z);\n #elif CC_SHADOW_0_TYPE == 4\n shadow_0 = shadowPCF5X5(cc_shadow_map_0, shadowUV0, currentDepth0, cc_shadow_info[0].w, cc_shadow_info[0].z);\n #else\n shadow_0 = shadowSimple(cc_shadow_map_0, shadowUV0, currentDepth0, cc_shadow_info[0].w);\n #endif\n shadow_0 = computeFallOff(shadow_0, projCoords0, 0.0);\n }\n result0.diffuse *= shadow_0;\n result0.specular *= shadow_0;\n #endif\n result.diffuse += result0.diffuse;\n result.specular += result0.specular;\n #endif\n #endif\n #if CC_NUM_LIGHTS > 1\n #if CC_LIGHT_1_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[1]);\n #else\n LightInfo info1;\n #if CC_LIGHT_1_TYPE == 0\n info1 = computeDirectionalLighting(cc_lightDirection[1], cc_lightColor[1]);\n #elif CC_LIGHT_1_TYPE == 1\n info1 = computePointLighting(s.position, cc_lightPositionAndRange[1], cc_lightColor[1]);\n #elif CC_LIGHT_1_TYPE == 2\n info1 = computeSpotLighting(s.position, cc_lightPositionAndRange[1], cc_lightDirection[1], cc_lightColor[1]);\n #endif\n Lighting result1 = brdf(s, info1);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 1\n float shadow_1 = 1.0;\n vec2 projCoords1 = v_posLightSpace[1].xy / v_posLightSpace[1].w;\n vec2 shadowUV1 = projCoords1 * 0.5 + vec2(0.5);\n if (shadowUV1.x >= 0.0 && shadowUV1.x <= 1.0 && shadowUV1.y >= 0.0 && shadowUV1.y <= 1.0) {\n float currentDepth1 = clamp(v_depth[1], 0.0, 1.0);\n #if CC_SHADOW_1_TYPE == 3\n shadow_1 = shadowPCF3X3(cc_shadow_map_1, shadowUV1, currentDepth1, cc_shadow_info[1].w, cc_shadow_info[1].z);\n #elif CC_SHADOW_1_TYPE == 4\n shadow_1 = shadowPCF5X5(cc_shadow_map_1, shadowUV1, currentDepth1, cc_shadow_info[1].w, cc_shadow_info[1].z);\n #else\n shadow_1 = shadowSimple(cc_shadow_map_1, shadowUV1, currentDepth1, cc_shadow_info[1].w);\n #endif\n shadow_1 = computeFallOff(shadow_1, projCoords1, 0.0);\n }\n result1.diffuse *= shadow_1;\n result1.specular *= shadow_1;\n #endif\n result.diffuse += result1.diffuse;\n result.specular += result1.specular;\n #endif\n #endif\n #if CC_NUM_LIGHTS > 2\n #if CC_LIGHT_2_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[2]);\n #else\n LightInfo info2;\n #if CC_LIGHT_2_TYPE == 0\n info2 = computeDirectionalLighting(cc_lightDirection[2], cc_lightColor[2]);\n #elif CC_LIGHT_2_TYPE == 1\n info2 = computePointLighting(s.position, cc_lightPositionAndRange[2], cc_lightColor[2]);\n #elif CC_LIGHT_2_TYPE == 2\n info2 = computeSpotLighting(s.position, cc_lightPositionAndRange[2], cc_lightDirection[2], cc_lightColor[2]);\n #endif\n Lighting result2 = brdf(s, info2);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 2\n float shadow_2 = 1.0;\n vec2 projCoords2 = v_posLightSpace[2].xy / v_posLightSpace[2].w;\n vec2 shadowUV2 = projCoords2 * 0.5 + vec2(0.5);\n if (shadowUV2.x >= 0.0 && shadowUV2.x <= 1.0 && shadowUV2.y >= 0.0 && shadowUV2.y <= 1.0) {\n float currentDepth2 = clamp(v_depth[2], 0.0, 1.0);\n #if CC_SHADOW_2_TYPE == 3\n shadow_2 = shadowPCF3X3(cc_shadow_map_2, shadowUV2, currentDepth2, cc_shadow_info[2].w, cc_shadow_info[2].z);\n #elif CC_SHADOW_2_TYPE == 4\n shadow_2 = shadowPCF5X5(cc_shadow_map_2, shadowUV2, currentDepth2, cc_shadow_info[2].w, cc_shadow_info[2].z);\n #else\n shadow_2 = shadowSimple(cc_shadow_map_2, shadowUV2, currentDepth2, cc_shadow_info[2].w);\n #endif\n shadow_2 = computeFallOff(shadow_2, projCoords2, 0.0);\n }\n result2.diffuse *= shadow_2;\n result2.specular *= shadow_2;\n #endif\n result.diffuse += result2.diffuse;\n result.specular += result2.specular;\n #endif\n #endif\n #if CC_NUM_LIGHTS > 3\n #if CC_LIGHT_3_TYPE == 3\n result.diffuse += ambient(s, cc_lightColor[3]);\n #else\n LightInfo info3;\n #if CC_LIGHT_3_TYPE == 0\n info3 = computeDirectionalLighting(cc_lightDirection[3], cc_lightColor[3]);\n #elif CC_LIGHT_3_TYPE == 1\n info3 = computePointLighting(s.position, cc_lightPositionAndRange[3], cc_lightColor[3]);\n #elif CC_LIGHT_3_TYPE == 2\n info3 = computeSpotLighting(s.position, cc_lightPositionAndRange[3], cc_lightDirection[3], cc_lightColor[3]);\n #endif\n Lighting result3 = brdf(s, info3);\n #if CC_USE_SHADOW_MAP && CC_NUM_SHADOW_LIGHTS > 3\n float shadow_3 = 1.0;\n vec2 projCoords3 = v_posLightSpace[3].xy / v_posLightSpace[3].w;\n vec2 shadowUV3 = projCoords3 * 0.5 + vec2(0.5);\n if (shadowUV3.x >= 0.0 && shadowUV3.x <= 1.0 && shadowUV3.y >= 0.0 && shadowUV3.y <= 1.0) {\n float currentDepth3 = clamp(v_depth[3], 0.0, 1.0);\n #if CC_SHADOW_3_TYPE == 3\n shadow_3 = shadowPCF3X3(cc_shadow_map_3, shadowUV3, currentDepth3, cc_shadow_info[3].w, cc_shadow_info[3].z);\n #elif CC_SHADOW_3_TYPE == 4\n shadow_3 = shadowPCF5X5(cc_shadow_map_3, shadowUV3, currentDepth3, cc_shadow_info[3].w, cc_shadow_info[3].z);\n #else\n shadow_3 = shadowSimple(cc_shadow_map_3, shadowUV3, currentDepth3, cc_shadow_info[3].w);\n #endif\n shadow_3 = computeFallOff(shadow_3, projCoords3, 0.0);\n }\n result3.diffuse *= shadow_3;\n result3.specular *= shadow_3;\n #endif\n result.diffuse += result3.diffuse;\n result.specular += result3.specular;\n #endif\n #endif\n return composePhongShading(result, 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 #if USE_EMISSIVE\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 #endif\n #if USE_SPECULAR\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 #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 s.normal = 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": [ "CC_NUM_LIGHTS" ] } ], "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", "type": "boolean", "defines": [] }, { "name": "USE_SPECULAR_TEXTURE", "type": "boolean", "defines": [ "USE_SPECULAR" ] }, { "name": "USE_EMISSIVE", "type": "boolean", "defines": [] }, { "name": "USE_EMISSIVE_TEXTURE", "type": "boolean", "defines": [ "USE_EMISSIVE" ] }, { "name": "CC_NUM_LIGHTS", "type": "number", "defines": [], "range": [ 0, 3 ] }, { "name": "CC_LIGHT_0_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_SHADOW_0_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS", "CC_USE_SHADOW_MAP", "CC_NUM_SHADOW_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_LIGHT_1_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_SHADOW_1_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS", "CC_USE_SHADOW_MAP", "CC_NUM_SHADOW_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_LIGHT_2_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_SHADOW_2_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS", "CC_USE_SHADOW_MAP", "CC_NUM_SHADOW_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_LIGHT_3_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_SHADOW_3_TYPE", "type": "number", "defines": [ "CC_NUM_LIGHTS", "CC_USE_SHADOW_MAP", "CC_NUM_SHADOW_LIGHTS" ], "range": [ 0, 3 ] }, { "name": "CC_USE_ALPHA_ATLAS_diffuseTexture", "type": "boolean", "defines": [ "USE_DIFFUSE_TEXTURE" ] }, { "name": "INPUT_IS_GAMMA", "type": "boolean", "defines": [ "USE_DIFFUSE_TEXTURE" ] }, { "name": "CC_USE_ALPHA_ATLAS_emissiveTexture", "type": "boolean", "defines": [ "USE_EMISSIVE", "USE_EMISSIVE_TEXTURE" ] }, { "name": "CC_USE_ALPHA_ATLAS_specularTexture", "type": "boolean", "defines": [ "USE_SPECULAR", "USE_SPECULAR_TEXTURE" ] } ], "blocks": [ { "name": "SKINNING", "members": [ { "name": "jointsTextureSize", "type": 14, "count": 1 } ], "defines": [ "CC_USE_SKINNING", "CC_USE_JOINTS_TEXTRUE" ], "binding": 0 }, { "name": "JOINT_MATRIX", "members": [ { "name": "jointMatrices", "type": 26, "count": 50 } ], "defines": [ "CC_USE_SKINNING" ], "binding": 1 }, { "name": "MAIN_TILING", "members": [ { "name": "mainTiling", "type": 14, "count": 1 }, { "name": "mainOffset", "type": 14, "count": 1 } ], "defines": [], "binding": 2 }, { "name": "ALPHA_TEST", "members": [ { "name": "alphaThreshold", "type": 13, "count": 1 } ], "defines": [ "USE_ALPHA_TEST" ], "binding": 3 }, { "name": "PhongFrag", "members": [ { "name": "diffuseColor", "type": 16, "count": 1 }, { "name": "specularColor", "type": 16, "count": 1 }, { "name": "emissiveColor", "type": 16, "count": 1 }, { "name": "glossiness", "type": 13, "count": 1 } ], "defines": [], "binding": 4 } ], "samplers": [ { "name": "jointsTexture", "type": 29, "count": 1, "defines": [ "CC_USE_SKINNING", "CC_USE_JOINTS_TEXTRUE" ], "binding": 30 }, { "name": "diffuseTexture", "type": 29, "count": 1, "defines": [ "USE_DIFFUSE_TEXTURE" ], "binding": 31 }, { "name": "specularTexture", "type": 29, "count": 1, "defines": [ "USE_SPECULAR", "USE_SPECULAR_TEXTURE" ], "binding": 32 }, { "name": "emissiveTexture", "type": 29, "count": 1, "defines": [ "USE_EMISSIVE", "USE_EMISSIVE_TEXTURE" ], "binding": 33 }, { "name": "normalTexture", "type": 29, "count": 1, "defines": [ "USE_NORMAL_TEXTURE" ], "binding": 34 } ], "record": null, "name": "builtin-phong|phong-vs|phong-fs" }, { "hash": 1165371292, "glsl3": { "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 = texture(jointsTexture, vec2(dx * (x + 0.5), y));\n vec4 v2 = texture(jointsTexture, vec2(dx * (x + 1.5), y));\n vec4 v3 = texture(jointsTexture, vec2(dx * (x + 2.5), y));\n vec4 v4 = texture(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 texture(jointsTexture, vec2(dx * (x + 0.5), y)),\n texture(jointsTexture, vec2(dx * (x + 1.5), y)),\n texture(jointsTexture, vec2(dx * (x + 2.5), y)),\n texture(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": [ { "name": "CC_SHADOW_MAP", "defines": [] } ], "samplers": [] }, "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" ] } ], "blocks": [ { "name": "SKINNING", "members": [ { "name": "jointsTextureSize", "type": 14, "count": 1 } ], "defines": [ "CC_USE_SKINNING", "CC_USE_JOINTS_TEXTRUE" ], "binding": 0 }, { "name": "JOINT_MATRIX", "members": [ { "name": "jointMatrices", "type": 26, "count": 50 } ], "defines": [ "CC_USE_SKINNING" ], "binding": 1 } ], "samplers": [ { "name": "jointsTexture", "type": 29, "count": 1, "defines": [ "CC_USE_SKINNING", "CC_USE_JOINTS_TEXTRUE" ], "binding": 30 } ], "record": null, "name": "builtin-phong|shadow-map-vs|shadow-map-fs" } ] }