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a_matWorld2;\n #if CC_USE_LIGHTMAP\n layout(location = 10) in vec4 a_lightingMapUVParam;\n #endif\n #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW\n #if CC_RECEIVE_SHADOW\n #endif\n layout(location = 11) in vec4 a_localShadowBiasAndProbeId;\n #endif\n #if CC_USE_REFLECTION_PROBE\n layout(location = 12) in vec4 a_reflectionProbeData;\n #endif\n #if CC_USE_LIGHT_PROBE\n layout(location = 13) in vec4 a_sh_linear_const_r;\n layout(location = 14) in vec4 a_sh_linear_const_g;\n layout(location = 15) in vec4 a_sh_linear_const_b;\n #endif\n#endif\n#if CC_USE_MORPH\n int getVertexId() {\n return gl_VertexIndex;\n }\n#endif\nhighp float decode32 (highp vec4 rgba) {\n rgba = rgba * 255.0;\n highp float Sign = 1.0 - (step(128.0, (rgba[3]) + 0.5)) * 2.0;\n highp float Exponent = 2.0 * (mod(float(int((rgba[3]) + 0.5)), 128.0)) + (step(128.0, (rgba[2]) + 0.5)) - 127.0;\n highp float Mantissa = (mod(float(int((rgba[2]) + 0.5)), 128.0)) * 65536.0 + rgba[1] * 256.0 + rgba[0] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n}\n#if CC_USE_MORPH\n layout(set = 2, binding = 4) uniform CCMorph {\n vec4 cc_displacementWeights[15];\n vec4 cc_displacementTextureInfo;\n };\n #if CC_MORPH_TARGET_HAS_POSITION\n layout(set = 2, binding = 8) uniform sampler2D cc_PositionDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n layout(set = 2, binding = 9) uniform sampler2D cc_NormalDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n layout(set = 2, binding = 10) uniform sampler2D cc_TangentDisplacements;\n #endif\n vec2 getPixelLocation(vec2 textureResolution, int pixelIndex) {\n float pixelIndexF = float(pixelIndex);\n float x = mod(pixelIndexF, textureResolution.x);\n float y = floor(pixelIndexF / textureResolution.x);\n return vec2(x, y);\n }\n vec2 getPixelCoordFromLocation(vec2 location, vec2 textureResolution) {\n return (vec2(location.x, location.y) + .5) / textureResolution;\n }\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int pixelIndex) {\n ivec2 texSize = textureSize(tex, 0);\n return texelFetch(tex, ivec2(pixelIndex % texSize.x, pixelIndex / texSize.x), 0);\n }\n #else\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex * 4;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 x = getPixelCoordFromLocation(location + vec2(0.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 y = getPixelCoordFromLocation(location + vec2(1.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 z = getPixelCoordFromLocation(location + vec2(2.0, 0.0), cc_displacementTextureInfo.xy);\n return vec4(\n decode32(texture(tex, x)),\n decode32(texture(tex, y)),\n decode32(texture(tex, z)),\n 1.0\n );\n }\n #endif\n float getDisplacementWeight(int index) {\n int quot = index / 4;\n int remainder = index - quot * 4;\n if (remainder == 0) {\n return cc_displacementWeights[quot].x;\n } else if (remainder == 1) {\n return cc_displacementWeights[quot].y;\n } else if (remainder == 2) {\n return cc_displacementWeights[quot].z;\n } else {\n return cc_displacementWeights[quot].w;\n }\n }\n vec3 getVec3DisplacementFromTexture(sampler2D tex, int vertexIndex) {\n #if CC_MORPH_PRECOMPUTED\n return fetchVec3ArrayFromTexture(tex, vertexIndex).rgb;\n #else\n vec3 result = vec3(0, 0, 0);\n int nVertices = int(cc_displacementTextureInfo.z);\n for (int iTarget = 0; iTarget < CC_MORPH_TARGET_COUNT; ++iTarget) {\n result += (fetchVec3ArrayFromTexture(tex, nVertices * iTarget + vertexIndex).rgb * getDisplacementWeight(iTarget));\n }\n return result;\n #endif\n }\n #if CC_MORPH_TARGET_HAS_POSITION\n vec3 getPositionDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_PositionDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n vec3 getNormalDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_NormalDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n vec3 getTangentDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_TangentDisplacements, vertexId);\n }\n #endif\n void applyMorph (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n int vertexId = getVertexId();\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n normal.xyz = normal.xyz + getNormalDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n tangent.xyz = tangent.xyz + getTangentDisplacement(vertexId);\n #endif\n }\n void applyMorph (inout vec4 position) {\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(getVertexId());\n #endif\n }\n#endif\n#if CC_USE_SKINNING\n #if CC_USE_BAKED_ANIMATION\n layout(set = 2, binding = 3) uniform CCSkinningTexture {\n highp vec4 cc_jointTextureInfo;\n };\n layout(set = 2, binding = 2) uniform CCSkinningAnimation {\n highp vec4 cc_jointAnimInfo;\n };\n layout(set = 2, binding = 7) uniform highp sampler2D cc_jointTexture;\n void CCGetJointTextureCoords(float pixelsPerJoint, float jointIdx, out highp float x, out highp float y, out highp float invSize)\n {\n #if USE_INSTANCING\n highp float temp = pixelsPerJoint * (a_jointAnimInfo.x * a_jointAnimInfo.y + jointIdx) + a_jointAnimInfo.z;\n #else\n highp float temp = pixelsPerJoint * (cc_jointAnimInfo.x * cc_jointTextureInfo.y + jointIdx) + cc_jointTextureInfo.z;\n #endif\n invSize = cc_jointTextureInfo.w;\n highp float tempY = floor(temp * invSize);\n x = floor(temp - tempY * cc_jointTextureInfo.x);\n y = (tempY + 0.5) * invSize;\n }\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n layout(set = 2, binding = 7) uniform highp sampler2D cc_realtimeJoint;\n #else\n layout(set = 2, binding = 3) uniform CCSkinning {\n highp vec4 cc_joints[CC_JOINT_UNIFORM_CAPACITY * 3];\n };\n #endif\n #endif\n #if CC_USE_BAKED_ANIMATION\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(3.0, i, x, y, invSize);\n vec4 v1 = texture(cc_jointTexture, vec2((x + 0.5) * invSize, y));\n vec4 v2 = texture(cc_jointTexture, vec2((x + 1.5) * invSize, y));\n vec4 v3 = texture(cc_jointTexture, vec2((x + 2.5) * invSize, y));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(12.0, i, x, y, invSize);\n vec4 v1 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 0.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 1.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 2.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 3.5) * invSize, y)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 4.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 5.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 6.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 7.5) * invSize, y)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 8.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 9.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 10.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 11.5) * invSize, y)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n float x = i;\n vec4 v1 = texture(cc_realtimeJoint, vec2( x / 256.0, 0.5 / 3.0));\n vec4 v2 = texture(cc_realtimeJoint, vec2( x / 256.0, 1.5 / 3.0));\n vec4 v3 = texture(cc_realtimeJoint, vec2( x / 256.0, 2.5 / 3.0));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n float x = 4.0 * i;\n vec4 v1 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 0.5 / 3.0)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 1.5 / 3.0)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 2.5 / 3.0)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n mat4 getJointMatrix (float i) {\n int idx = int(i);\n vec4 v1 = cc_joints[idx * 3];\n vec4 v2 = cc_joints[idx * 3 + 1];\n vec4 v3 = cc_joints[idx * 3 + 2];\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #endif\n mat4 skinMatrix () {\n vec4 joints = vec4(a_joints);\n return getJointMatrix(joints.x) * a_weights.x\n + getJointMatrix(joints.y) * a_weights.y\n + getJointMatrix(joints.z) * a_weights.z\n + getJointMatrix(joints.w) * a_weights.w;\n }\n void CCSkin (inout vec4 position) {\n mat4 m = skinMatrix();\n position = m * position;\n }\n void CCSkin (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n mat4 m = skinMatrix();\n position = m * position;\n normal = (m * vec4(normal, 0.0)).xyz;\n tangent.xyz = (m * vec4(tangent.xyz, 0.0)).xyz;\n }\n#endif\nvoid CCVertInput(inout vec4 In)\n{\n In = vec4(a_position, 1.0);\n #if CC_USE_MORPH\n applyMorph(In);\n #endif\n #if CC_USE_SKINNING\n CCSkin(In);\n #endif\n}\nlayout(set = 0, binding = 0) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(set = 0, binding = 1) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\n#if !USE_INSTANCING\n layout(set = 2, binding = 0) uniform CCLocal {\n highp mat4 cc_matWorld;\n highp mat4 cc_matWorldIT;\n highp vec4 cc_lightingMapUVParam;\n highp vec4 cc_localShadowBias;\n highp vec4 cc_reflectionProbeData1;\n highp vec4 cc_reflectionProbeData2;\n highp vec4 cc_reflectionProbeBlendData1;\n highp vec4 cc_reflectionProbeBlendData2;\n };\n#endif\nvoid CCGetWorldMatrix(out mat4 matWorld)\n{\n #if USE_INSTANCING\n matWorld = mat4(\n vec4(a_matWorld0.xyz, 0.0),\n vec4(a_matWorld1.xyz, 0.0),\n vec4(a_matWorld2.xyz, 0.0),\n vec4(a_matWorld0.w, a_matWorld1.w, a_matWorld2.w, 1.0)\n );\n #else\n matWorld = cc_matWorld;\n #endif\n}\n#if CC_USE_FOG != 4\n float LinearFog(vec4 pos, vec3 cameraPos, float fogStart, float fogEnd) {\n vec4 wPos = pos;\n float cam_dis = distance(cameraPos, wPos.xyz);\n return clamp((fogEnd - cam_dis) / (fogEnd - fogStart), 0., 1.);\n }\n float ExpFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * fogDensity);\n return f;\n }\n float ExpSquaredFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * cam_dis * fogDensity * fogDensity);\n return f;\n }\n float LayeredFog(vec4 pos, vec3 cameraPos, float fogTop, float fogRange, float fogAtten) {\n vec4 wPos = pos;\n vec3 camWorldProj = cameraPos.xyz;\n camWorldProj.y = 0.;\n vec3 worldPosProj = wPos.xyz;\n worldPosProj.y = 0.;\n float fDeltaD = distance(worldPosProj, camWorldProj) / fogAtten * 2.0;\n float fDeltaY, fDensityIntegral;\n if (cameraPos.y > fogTop) {\n if (wPos.y < fogTop) {\n fDeltaY = (fogTop - wPos.y) / fogRange * 2.0;\n fDensityIntegral = fDeltaY * fDeltaY * 0.5;\n }\n else {\n fDeltaY = 0.;\n fDensityIntegral = 0.;\n }\n }\n else {\n if (wPos.y < fogTop) {\n float fDeltaA = (fogTop - cameraPos.y) / fogRange * 2.;\n float fDeltaB = (fogTop - wPos.y) / fogRange * 2.;\n fDeltaY = abs(fDeltaA - fDeltaB);\n fDensityIntegral = abs((fDeltaA * fDeltaA * 0.5) - (fDeltaB * fDeltaB * 0.5));\n }\n else {\n fDeltaY = abs(fogTop - cameraPos.y) / fogRange * 2.;\n fDensityIntegral = abs(fDeltaY * fDeltaY * 0.5);\n }\n }\n float fDensity;\n if (fDeltaY != 0.) {\n fDensity = (sqrt(1.0 + ((fDeltaD / fDeltaY) * (fDeltaD / fDeltaY)))) * fDensityIntegral;\n }\n else {\n fDensity = 0.;\n }\n float f = exp(-fDensity);\n return f;\n }\n#endif\nvoid CC_TRANSFER_FOG_BASE(vec4 pos, out float factor)\n{\n#if CC_USE_FOG == 0\n\tfactor = LinearFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.y);\n#elif CC_USE_FOG == 1\n\tfactor = ExpFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 2\n\tfactor = ExpSquaredFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 3\n\tfactor = LayeredFog(pos, cc_cameraPos.xyz, cc_fogAdd.x, cc_fogAdd.y, cc_fogAdd.z);\n#else\n\tfactor = 1.0;\n#endif\n}\n#if !CC_USE_ACCURATE_FOG\nlayout(location = 0) out mediump float v_fog_factor;\n#endif\nvoid CC_TRANSFER_FOG(vec4 pos) {\n#if !CC_USE_ACCURATE_FOG\n CC_TRANSFER_FOG_BASE(pos, v_fog_factor);\n#endif\n}\n#if USE_VERTEX_COLOR\n layout(location = 17) in lowp vec4 a_color;\n layout(location = 1) out lowp vec4 v_color;\n#endif\n#if USE_TEXTURE\n layout(location = 2) out vec2 v_uv;\n layout(set = 1, binding = 0) uniform TexCoords {\n vec4 tilingOffset;\n };\n#endif\nvec4 vert () {\n vec4 position;\n CCVertInput(position);\n mat4 matWorld;\n CCGetWorldMatrix(matWorld);\n #if USE_TEXTURE\n v_uv = a_texCoord * tilingOffset.xy + tilingOffset.zw;\n #if SAMPLE_FROM_RT\n v_uv = cc_cameraPos.w > 1.0 ? vec2(v_uv.x, 1.0 - v_uv.y) : v_uv;\n #endif\n #endif\n #if USE_VERTEX_COLOR\n v_color = a_color;\n #endif\n CC_TRANSFER_FOG(matWorld * position);\n return cc_matProj * (cc_matView * matWorld) * position;\n}\nvoid main() { gl_Position = vert(); }", "frag": "\nprecision highp float;\nvec3 ACESToneMap (vec3 color) {\n color = min(color, vec3(8.0));\n const float A = 2.51;\n const float B = 0.03;\n const float C = 2.43;\n const float D = 0.59;\n const float E = 0.14;\n return (color * (A * color + B)) / (color * (C * color + D) + E);\n}\nvec3 SRGBToLinear (vec3 gamma) {\n#ifdef CC_USE_SURFACE_SHADER\n #if CC_USE_DEBUG_VIEW == CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC && CC_SURFACES_ENABLE_DEBUG_VIEW\n if (!IS_DEBUG_VIEW_COMPOSITE_ENABLE_GAMMA_CORRECTION) {\n return gamma;\n }\n #endif\n#endif\n return gamma * gamma;\n}\nvec3 LinearToSRGB(vec3 linear) {\n#ifdef CC_USE_SURFACE_SHADER\n #if CC_USE_DEBUG_VIEW == CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC && CC_SURFACES_ENABLE_DEBUG_VIEW\n if (!IS_DEBUG_VIEW_COMPOSITE_ENABLE_GAMMA_CORRECTION) {\n return linear;\n }\n #endif\n#endif\n return sqrt(linear);\n}\nvec4 packRGBE (vec3 rgb) {\n highp float maxComp = max(max(rgb.r, rgb.g), rgb.b);\n highp float e = 128.0;\n if (maxComp > 0.0001) {\n e = log(maxComp) / log(1.1);\n e = ceil(e);\n e = clamp(e + 128.0, 0.0, 255.0);\n }\n highp float sc = 1.0 / pow(1.1, e - 128.0);\n vec3 encode = clamp(rgb * sc, vec3(0.0), vec3(1.0)) * 255.0;\n vec3 encode_rounded = floor(encode) + step(encode - floor(encode), vec3(0.5));\n return vec4(encode_rounded, e) / 255.0;\n}\nvec4 CCFragOutput (vec4 color) {\n #if CC_USE_RGBE_OUTPUT\n color = packRGBE(color.rgb);\n #elif !CC_USE_FLOAT_OUTPUT\n #if CC_USE_HDR && CC_TONE_MAPPING_TYPE == HDR_TONE_MAPPING_ACES\n color.rgb = ACESToneMap(color.rgb);\n #endif\n color.rgb = LinearToSRGB(color.rgb);\n #endif\n return color;\n}\nlayout(set = 0, binding = 0) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(set = 0, binding = 1) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\n#if CC_USE_FOG != 4\n float LinearFog(vec4 pos, vec3 cameraPos, float fogStart, float fogEnd) {\n vec4 wPos = pos;\n float cam_dis = distance(cameraPos, wPos.xyz);\n return clamp((fogEnd - cam_dis) / (fogEnd - fogStart), 0., 1.);\n }\n float ExpFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * fogDensity);\n return f;\n }\n float ExpSquaredFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * cam_dis * fogDensity * fogDensity);\n return f;\n }\n float LayeredFog(vec4 pos, vec3 cameraPos, float fogTop, float fogRange, float fogAtten) {\n vec4 wPos = pos;\n vec3 camWorldProj = cameraPos.xyz;\n camWorldProj.y = 0.;\n vec3 worldPosProj = wPos.xyz;\n worldPosProj.y = 0.;\n float fDeltaD = distance(worldPosProj, camWorldProj) / fogAtten * 2.0;\n float fDeltaY, fDensityIntegral;\n if (cameraPos.y > fogTop) {\n if (wPos.y < fogTop) {\n fDeltaY = (fogTop - wPos.y) / fogRange * 2.0;\n fDensityIntegral = fDeltaY * fDeltaY * 0.5;\n }\n else {\n fDeltaY = 0.;\n fDensityIntegral = 0.;\n }\n }\n else {\n if (wPos.y < fogTop) {\n float fDeltaA = (fogTop - cameraPos.y) / fogRange * 2.;\n float fDeltaB = (fogTop - wPos.y) / fogRange * 2.;\n fDeltaY = abs(fDeltaA - fDeltaB);\n fDensityIntegral = abs((fDeltaA * fDeltaA * 0.5) - (fDeltaB * fDeltaB * 0.5));\n }\n else {\n fDeltaY = abs(fogTop - cameraPos.y) / fogRange * 2.;\n fDensityIntegral = abs(fDeltaY * fDeltaY * 0.5);\n }\n }\n float fDensity;\n if (fDeltaY != 0.) {\n fDensity = (sqrt(1.0 + ((fDeltaD / fDeltaY) * (fDeltaD / fDeltaY)))) * fDensityIntegral;\n }\n else {\n fDensity = 0.;\n }\n float f = exp(-fDensity);\n return f;\n }\n#endif\nvoid CC_TRANSFER_FOG_BASE(vec4 pos, out float factor)\n{\n#if CC_USE_FOG == 0\n\tfactor = LinearFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.y);\n#elif CC_USE_FOG == 1\n\tfactor = ExpFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 2\n\tfactor = ExpSquaredFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 3\n\tfactor = LayeredFog(pos, cc_cameraPos.xyz, cc_fogAdd.x, cc_fogAdd.y, cc_fogAdd.z);\n#else\n\tfactor = 1.0;\n#endif\n}\nvoid CC_APPLY_FOG_BASE(inout vec4 color, float factor) {\n\tcolor = vec4(mix(cc_fogColor.rgb, color.rgb, factor), color.a);\n}\n#if !CC_USE_ACCURATE_FOG\nlayout(location = 0) in mediump float v_fog_factor;\n#endif\nvoid CC_APPLY_FOG(inout vec4 color) {\n#if !CC_USE_ACCURATE_FOG\n CC_APPLY_FOG_BASE(color, v_fog_factor);\n#endif\n}\nvoid CC_APPLY_FOG(inout vec4 color, vec3 worldPos) {\n#if CC_USE_ACCURATE_FOG\n float factor;\n CC_TRANSFER_FOG_BASE(vec4(worldPos, 1.0), factor);\n#else\n float factor = v_fog_factor;\n#endif\n CC_APPLY_FOG_BASE(color, factor);\n}\n#if USE_ALPHA_TEST\n#endif\n#if USE_TEXTURE\n layout(location = 2) in vec2 v_uv;\n layout(set = 1, binding = 2) uniform sampler2D mainTexture;\n#endif\nlayout(set = 1, binding = 1) uniform Constant {\n vec4 mainColor;\n vec4 colorScaleAndCutoff;\n};\n#if USE_VERTEX_COLOR\n layout(location = 1) in lowp vec4 v_color;\n#endif\nvec4 frag () {\n vec4 o = mainColor;\n o.rgb *= colorScaleAndCutoff.xyz;\n #if USE_VERTEX_COLOR\n o.rgb *= SRGBToLinear(v_color.rgb);\n o.a *= v_color.a;\n #endif\n #if USE_TEXTURE\n vec4 texColor = texture(mainTexture, v_uv);\n texColor.rgb = SRGBToLinear(texColor.rgb);\n o *= texColor;\n #endif\n #if USE_ALPHA_TEST\n if (o.ALPHA_TEST_CHANNEL < colorScaleAndCutoff.w) discard;\n #endif\n CC_APPLY_FOG(o);\n return CCFragOutput(o);\n}\nlayout(location = 0) out vec4 cc_FragColor;\nvoid main() { cc_FragColor = frag(); }" }, "glsl3": { "vert": "\nprecision highp float;\n#define QUATER_PI 0.78539816340\n#define HALF_PI 1.57079632679\n#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI4 12.5663706144\n#define INV_QUATER_PI 1.27323954474\n#define INV_HALF_PI 0.63661977237\n#define INV_PI 0.31830988618\n#define INV_PI2 0.15915494309\n#define INV_PI4 0.07957747155\n#define EPSILON 1e-6\n#define EPSILON_LOWP 1e-4\n#define LOG2 1.442695\n#define EXP_VALUE 2.71828183\n#define FP_MAX 65504.0\n#define FP_SCALE 0.0009765625\n#define FP_SCALE_INV 1024.0\n#define GRAY_VECTOR vec3(0.299, 0.587, 0.114)\n#define LIGHT_MAP_TYPE_DISABLED 0\n#define LIGHT_MAP_TYPE_ALL_IN_ONE 1\n#define LIGHT_MAP_TYPE_INDIRECT_OCCLUSION 2\n#define REFLECTION_PROBE_TYPE_NONE 0\n#define REFLECTION_PROBE_TYPE_CUBE 1\n#define REFLECTION_PROBE_TYPE_PLANAR 2\n#define REFLECTION_PROBE_TYPE_BLEND 3\n#define REFLECTION_PROBE_TYPE_BLEND_AND_SKYBOX 4\n#define LIGHT_TYPE_DIRECTIONAL 0.0\n#define LIGHT_TYPE_SPHERE 1.0\n#define LIGHT_TYPE_SPOT 2.0\n#define LIGHT_TYPE_POINT 3.0\n#define LIGHT_TYPE_RANGED_DIRECTIONAL 4.0\n#define IS_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_DIRECTIONAL)) < EPSILON_LOWP)\n#define IS_SPHERE_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPHERE)) < EPSILON_LOWP)\n#define IS_SPOT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPOT)) < EPSILON_LOWP)\n#define IS_POINT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_POINT)) < EPSILON_LOWP)\n#define IS_RANGED_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_RANGED_DIRECTIONAL)) < EPSILON_LOWP)\n#define TONE_MAPPING_ACES 0\n#define TONE_MAPPING_LINEAR 1\n#define SURFACES_MAX_TRANSMIT_DEPTH_VALUE 999999.0\n#ifndef CC_SURFACES_DEBUG_VIEW_SINGLE\n #define CC_SURFACES_DEBUG_VIEW_SINGLE 1\n#endif\n#ifndef CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC\n #define CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC 2\n#endif\nstruct StandardVertInput {\n highp vec4 position;\n vec3 normal;\n vec4 tangent;\n};\nin vec3 a_position;\nin vec3 a_normal;\nin vec2 a_texCoord;\nin vec4 a_tangent;\n#if CC_USE_SKINNING\n in vec4 a_joints;\n in vec4 a_weights;\n#endif\n#if USE_INSTANCING\n #if CC_USE_BAKED_ANIMATION\n in highp vec4 a_jointAnimInfo;\n #endif\n in vec4 a_matWorld0;\n in vec4 a_matWorld1;\n in vec4 a_matWorld2;\n #if CC_USE_LIGHTMAP\n in vec4 a_lightingMapUVParam;\n #endif\n #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW\n #if CC_RECEIVE_SHADOW\n #endif\n in vec4 a_localShadowBiasAndProbeId;\n #endif\n #if CC_USE_REFLECTION_PROBE\n in vec4 a_reflectionProbeData;\n #endif\n #if CC_USE_LIGHT_PROBE\n in vec4 a_sh_linear_const_r;\n in vec4 a_sh_linear_const_g;\n in vec4 a_sh_linear_const_b;\n #endif\n#endif\n#if CC_USE_MORPH\n in float a_vertexId;\n int getVertexId() {\n return int(a_vertexId);\n }\n#endif\nhighp float decode32 (highp vec4 rgba) {\n rgba = rgba * 255.0;\n highp float Sign = 1.0 - (step(128.0, (rgba[3]) + 0.5)) * 2.0;\n highp float Exponent = 2.0 * (mod(float(int((rgba[3]) + 0.5)), 128.0)) + (step(128.0, (rgba[2]) + 0.5)) - 127.0;\n highp float Mantissa = (mod(float(int((rgba[2]) + 0.5)), 128.0)) * 65536.0 + rgba[1] * 256.0 + rgba[0] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n}\n#if CC_USE_MORPH\n layout(std140) uniform CCMorph {\n vec4 cc_displacementWeights[15];\n vec4 cc_displacementTextureInfo;\n };\n #if CC_MORPH_TARGET_HAS_POSITION\n uniform sampler2D cc_PositionDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n uniform sampler2D cc_NormalDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n uniform sampler2D cc_TangentDisplacements;\n #endif\n vec2 getPixelLocation(vec2 textureResolution, int pixelIndex) {\n float pixelIndexF = float(pixelIndex);\n float x = mod(pixelIndexF, textureResolution.x);\n float y = floor(pixelIndexF / textureResolution.x);\n return vec2(x, y);\n }\n vec2 getPixelCoordFromLocation(vec2 location, vec2 textureResolution) {\n return (vec2(location.x, location.y) + .5) / textureResolution;\n }\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int pixelIndex) {\n ivec2 texSize = textureSize(tex, 0);\n return texelFetch(tex, ivec2(pixelIndex % texSize.x, pixelIndex / texSize.x), 0);\n }\n #else\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex * 4;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 x = getPixelCoordFromLocation(location + vec2(0.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 y = getPixelCoordFromLocation(location + vec2(1.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 z = getPixelCoordFromLocation(location + vec2(2.0, 0.0), cc_displacementTextureInfo.xy);\n return vec4(\n decode32(texture(tex, x)),\n decode32(texture(tex, y)),\n decode32(texture(tex, z)),\n 1.0\n );\n }\n #endif\n float getDisplacementWeight(int index) {\n int quot = index / 4;\n int remainder = index - quot * 4;\n if (remainder == 0) {\n return cc_displacementWeights[quot].x;\n } else if (remainder == 1) {\n return cc_displacementWeights[quot].y;\n } else if (remainder == 2) {\n return cc_displacementWeights[quot].z;\n } else {\n return cc_displacementWeights[quot].w;\n }\n }\n vec3 getVec3DisplacementFromTexture(sampler2D tex, int vertexIndex) {\n #if CC_MORPH_PRECOMPUTED\n return fetchVec3ArrayFromTexture(tex, vertexIndex).rgb;\n #else\n vec3 result = vec3(0, 0, 0);\n int nVertices = int(cc_displacementTextureInfo.z);\n for (int iTarget = 0; iTarget < CC_MORPH_TARGET_COUNT; ++iTarget) {\n result += (fetchVec3ArrayFromTexture(tex, nVertices * iTarget + vertexIndex).rgb * getDisplacementWeight(iTarget));\n }\n return result;\n #endif\n }\n #if CC_MORPH_TARGET_HAS_POSITION\n vec3 getPositionDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_PositionDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n vec3 getNormalDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_NormalDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n vec3 getTangentDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_TangentDisplacements, vertexId);\n }\n #endif\n void applyMorph (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n int vertexId = getVertexId();\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n normal.xyz = normal.xyz + getNormalDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n tangent.xyz = tangent.xyz + getTangentDisplacement(vertexId);\n #endif\n }\n void applyMorph (inout vec4 position) {\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(getVertexId());\n #endif\n }\n#endif\n#if CC_USE_SKINNING\n #if CC_USE_BAKED_ANIMATION\n layout(std140) uniform CCSkinningTexture {\n highp vec4 cc_jointTextureInfo;\n };\n layout(std140) uniform CCSkinningAnimation {\n highp vec4 cc_jointAnimInfo;\n };\n uniform highp sampler2D cc_jointTexture;\n void CCGetJointTextureCoords(float pixelsPerJoint, float jointIdx, out highp float x, out highp float y, out highp float invSize)\n {\n #if USE_INSTANCING\n highp float temp = pixelsPerJoint * (a_jointAnimInfo.x * a_jointAnimInfo.y + jointIdx) + a_jointAnimInfo.z;\n #else\n highp float temp = pixelsPerJoint * (cc_jointAnimInfo.x * cc_jointTextureInfo.y + jointIdx) + cc_jointTextureInfo.z;\n #endif\n invSize = cc_jointTextureInfo.w;\n highp float tempY = floor(temp * invSize);\n x = floor(temp - tempY * cc_jointTextureInfo.x);\n y = (tempY + 0.5) * invSize;\n }\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n uniform highp sampler2D cc_realtimeJoint;\n #else\n layout(std140) uniform CCSkinning {\n highp vec4 cc_joints[CC_JOINT_UNIFORM_CAPACITY * 3];\n };\n #endif\n #endif\n #if CC_USE_BAKED_ANIMATION\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(3.0, i, x, y, invSize);\n vec4 v1 = texture(cc_jointTexture, vec2((x + 0.5) * invSize, y));\n vec4 v2 = texture(cc_jointTexture, vec2((x + 1.5) * invSize, y));\n vec4 v3 = texture(cc_jointTexture, vec2((x + 2.5) * invSize, y));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(12.0, i, x, y, invSize);\n vec4 v1 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 0.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 1.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 2.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 3.5) * invSize, y)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 4.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 5.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 6.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 7.5) * invSize, y)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 8.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 9.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 10.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 11.5) * invSize, y)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n float x = i;\n vec4 v1 = texture(cc_realtimeJoint, vec2( x / 256.0, 0.5 / 3.0));\n vec4 v2 = texture(cc_realtimeJoint, vec2( x / 256.0, 1.5 / 3.0));\n vec4 v3 = texture(cc_realtimeJoint, vec2( x / 256.0, 2.5 / 3.0));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n float x = 4.0 * i;\n vec4 v1 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 0.5 / 3.0)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 1.5 / 3.0)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 2.5 / 3.0)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n mat4 getJointMatrix (float i) {\n int idx = int(i);\n vec4 v1 = cc_joints[idx * 3];\n vec4 v2 = cc_joints[idx * 3 + 1];\n vec4 v3 = cc_joints[idx * 3 + 2];\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #endif\n mat4 skinMatrix () {\n vec4 joints = vec4(a_joints);\n return getJointMatrix(joints.x) * a_weights.x\n + getJointMatrix(joints.y) * a_weights.y\n + getJointMatrix(joints.z) * a_weights.z\n + getJointMatrix(joints.w) * a_weights.w;\n }\n void CCSkin (inout vec4 position) {\n mat4 m = skinMatrix();\n position = m * position;\n }\n void CCSkin (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n mat4 m = skinMatrix();\n position = m * position;\n normal = (m * vec4(normal, 0.0)).xyz;\n tangent.xyz = (m * vec4(tangent.xyz, 0.0)).xyz;\n }\n#endif\nvoid CCVertInput(inout vec4 In)\n{\n In = vec4(a_position, 1.0);\n #if CC_USE_MORPH\n applyMorph(In);\n #endif\n #if CC_USE_SKINNING\n CCSkin(In);\n #endif\n}\nlayout(std140) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(std140) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\n#if !USE_INSTANCING\n layout(std140) uniform CCLocal {\n highp mat4 cc_matWorld;\n highp mat4 cc_matWorldIT;\n highp vec4 cc_lightingMapUVParam;\n highp vec4 cc_localShadowBias;\n highp vec4 cc_reflectionProbeData1;\n highp vec4 cc_reflectionProbeData2;\n highp vec4 cc_reflectionProbeBlendData1;\n highp vec4 cc_reflectionProbeBlendData2;\n };\n#endif\nvoid CCGetWorldMatrix(out mat4 matWorld)\n{\n #if USE_INSTANCING\n matWorld = mat4(\n vec4(a_matWorld0.xyz, 0.0),\n vec4(a_matWorld1.xyz, 0.0),\n vec4(a_matWorld2.xyz, 0.0),\n vec4(a_matWorld0.w, a_matWorld1.w, a_matWorld2.w, 1.0)\n );\n #else\n matWorld = cc_matWorld;\n #endif\n}\n#if CC_USE_FOG != 4\n float LinearFog(vec4 pos, vec3 cameraPos, float fogStart, float fogEnd) {\n vec4 wPos = pos;\n float cam_dis = distance(cameraPos, wPos.xyz);\n return clamp((fogEnd - cam_dis) / (fogEnd - fogStart), 0., 1.);\n }\n float ExpFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * fogDensity);\n return f;\n }\n float ExpSquaredFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * cam_dis * fogDensity * fogDensity);\n return f;\n }\n float LayeredFog(vec4 pos, vec3 cameraPos, float fogTop, float fogRange, float fogAtten) {\n vec4 wPos = pos;\n vec3 camWorldProj = cameraPos.xyz;\n camWorldProj.y = 0.;\n vec3 worldPosProj = wPos.xyz;\n worldPosProj.y = 0.;\n float fDeltaD = distance(worldPosProj, camWorldProj) / fogAtten * 2.0;\n float fDeltaY, fDensityIntegral;\n if (cameraPos.y > fogTop) {\n if (wPos.y < fogTop) {\n fDeltaY = (fogTop - wPos.y) / fogRange * 2.0;\n fDensityIntegral = fDeltaY * fDeltaY * 0.5;\n }\n else {\n fDeltaY = 0.;\n fDensityIntegral = 0.;\n }\n }\n else {\n if (wPos.y < fogTop) {\n float fDeltaA = (fogTop - cameraPos.y) / fogRange * 2.;\n float fDeltaB = (fogTop - wPos.y) / fogRange * 2.;\n fDeltaY = abs(fDeltaA - fDeltaB);\n fDensityIntegral = abs((fDeltaA * fDeltaA * 0.5) - (fDeltaB * fDeltaB * 0.5));\n }\n else {\n fDeltaY = abs(fogTop - cameraPos.y) / fogRange * 2.;\n fDensityIntegral = abs(fDeltaY * fDeltaY * 0.5);\n }\n }\n float fDensity;\n if (fDeltaY != 0.) {\n fDensity = (sqrt(1.0 + ((fDeltaD / fDeltaY) * (fDeltaD / fDeltaY)))) * fDensityIntegral;\n }\n else {\n fDensity = 0.;\n }\n float f = exp(-fDensity);\n return f;\n }\n#endif\nvoid CC_TRANSFER_FOG_BASE(vec4 pos, out float factor)\n{\n#if CC_USE_FOG == 0\n\tfactor = LinearFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.y);\n#elif CC_USE_FOG == 1\n\tfactor = ExpFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 2\n\tfactor = ExpSquaredFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 3\n\tfactor = LayeredFog(pos, cc_cameraPos.xyz, cc_fogAdd.x, cc_fogAdd.y, cc_fogAdd.z);\n#else\n\tfactor = 1.0;\n#endif\n}\n#if !CC_USE_ACCURATE_FOG\nout mediump float v_fog_factor;\n#endif\nvoid CC_TRANSFER_FOG(vec4 pos) {\n#if !CC_USE_ACCURATE_FOG\n CC_TRANSFER_FOG_BASE(pos, v_fog_factor);\n#endif\n}\n#if USE_VERTEX_COLOR\n in lowp vec4 a_color;\n out lowp vec4 v_color;\n#endif\n#if USE_TEXTURE\n out vec2 v_uv;\n layout(std140) uniform TexCoords {\n vec4 tilingOffset;\n };\n#endif\nvec4 vert () {\n vec4 position;\n CCVertInput(position);\n mat4 matWorld;\n CCGetWorldMatrix(matWorld);\n #if USE_TEXTURE\n v_uv = a_texCoord * tilingOffset.xy + tilingOffset.zw;\n #if SAMPLE_FROM_RT\n v_uv = cc_cameraPos.w > 1.0 ? vec2(v_uv.x, 1.0 - v_uv.y) : v_uv;\n #endif\n #endif\n #if USE_VERTEX_COLOR\n v_color = a_color;\n #endif\n CC_TRANSFER_FOG(matWorld * position);\n return cc_matProj * (cc_matView * matWorld) * position;\n}\nvoid main() { gl_Position = vert(); }", "frag": "\nprecision highp float;\nvec3 ACESToneMap (vec3 color) {\n color = min(color, vec3(8.0));\n const float A = 2.51;\n const float B = 0.03;\n const float C = 2.43;\n const float D = 0.59;\n const float E = 0.14;\n return (color * (A * color + B)) / (color * (C * color + D) + E);\n}\nvec3 SRGBToLinear (vec3 gamma) {\n#ifdef CC_USE_SURFACE_SHADER\n #if CC_USE_DEBUG_VIEW == CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC && CC_SURFACES_ENABLE_DEBUG_VIEW\n if (!IS_DEBUG_VIEW_COMPOSITE_ENABLE_GAMMA_CORRECTION) {\n return gamma;\n }\n #endif\n#endif\n return gamma * gamma;\n}\nvec3 LinearToSRGB(vec3 linear) {\n#ifdef CC_USE_SURFACE_SHADER\n #if CC_USE_DEBUG_VIEW == CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC && CC_SURFACES_ENABLE_DEBUG_VIEW\n if (!IS_DEBUG_VIEW_COMPOSITE_ENABLE_GAMMA_CORRECTION) {\n return linear;\n }\n #endif\n#endif\n return sqrt(linear);\n}\nvec4 packRGBE (vec3 rgb) {\n highp float maxComp = max(max(rgb.r, rgb.g), rgb.b);\n highp float e = 128.0;\n if (maxComp > 0.0001) {\n e = log(maxComp) / log(1.1);\n e = ceil(e);\n e = clamp(e + 128.0, 0.0, 255.0);\n }\n highp float sc = 1.0 / pow(1.1, e - 128.0);\n vec3 encode = clamp(rgb * sc, vec3(0.0), vec3(1.0)) * 255.0;\n vec3 encode_rounded = floor(encode) + step(encode - floor(encode), vec3(0.5));\n return vec4(encode_rounded, e) / 255.0;\n}\nvec4 CCFragOutput (vec4 color) {\n #if CC_USE_RGBE_OUTPUT\n color = packRGBE(color.rgb);\n #elif !CC_USE_FLOAT_OUTPUT\n #if CC_USE_HDR && CC_TONE_MAPPING_TYPE == HDR_TONE_MAPPING_ACES\n color.rgb = ACESToneMap(color.rgb);\n #endif\n color.rgb = LinearToSRGB(color.rgb);\n #endif\n return color;\n}\nlayout(std140) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(std140) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\n#if CC_USE_FOG != 4\n float LinearFog(vec4 pos, vec3 cameraPos, float fogStart, float fogEnd) {\n vec4 wPos = pos;\n float cam_dis = distance(cameraPos, wPos.xyz);\n return clamp((fogEnd - cam_dis) / (fogEnd - fogStart), 0., 1.);\n }\n float ExpFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * fogDensity);\n return f;\n }\n float ExpSquaredFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * cam_dis * fogDensity * fogDensity);\n return f;\n }\n float LayeredFog(vec4 pos, vec3 cameraPos, float fogTop, float fogRange, float fogAtten) {\n vec4 wPos = pos;\n vec3 camWorldProj = cameraPos.xyz;\n camWorldProj.y = 0.;\n vec3 worldPosProj = wPos.xyz;\n worldPosProj.y = 0.;\n float fDeltaD = distance(worldPosProj, camWorldProj) / fogAtten * 2.0;\n float fDeltaY, fDensityIntegral;\n if (cameraPos.y > fogTop) {\n if (wPos.y < fogTop) {\n fDeltaY = (fogTop - wPos.y) / fogRange * 2.0;\n fDensityIntegral = fDeltaY * fDeltaY * 0.5;\n }\n else {\n fDeltaY = 0.;\n fDensityIntegral = 0.;\n }\n }\n else {\n if (wPos.y < fogTop) {\n float fDeltaA = (fogTop - cameraPos.y) / fogRange * 2.;\n float fDeltaB = (fogTop - wPos.y) / fogRange * 2.;\n fDeltaY = abs(fDeltaA - fDeltaB);\n fDensityIntegral = abs((fDeltaA * fDeltaA * 0.5) - (fDeltaB * fDeltaB * 0.5));\n }\n else {\n fDeltaY = abs(fogTop - cameraPos.y) / fogRange * 2.;\n fDensityIntegral = abs(fDeltaY * fDeltaY * 0.5);\n }\n }\n float fDensity;\n if (fDeltaY != 0.) {\n fDensity = (sqrt(1.0 + ((fDeltaD / fDeltaY) * (fDeltaD / fDeltaY)))) * fDensityIntegral;\n }\n else {\n fDensity = 0.;\n }\n float f = exp(-fDensity);\n return f;\n }\n#endif\nvoid CC_TRANSFER_FOG_BASE(vec4 pos, out float factor)\n{\n#if CC_USE_FOG == 0\n\tfactor = LinearFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.y);\n#elif CC_USE_FOG == 1\n\tfactor = ExpFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 2\n\tfactor = ExpSquaredFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 3\n\tfactor = LayeredFog(pos, cc_cameraPos.xyz, cc_fogAdd.x, cc_fogAdd.y, cc_fogAdd.z);\n#else\n\tfactor = 1.0;\n#endif\n}\nvoid CC_APPLY_FOG_BASE(inout vec4 color, float factor) {\n\tcolor = vec4(mix(cc_fogColor.rgb, color.rgb, factor), color.a);\n}\n#if !CC_USE_ACCURATE_FOG\nin mediump float v_fog_factor;\n#endif\nvoid CC_APPLY_FOG(inout vec4 color) {\n#if !CC_USE_ACCURATE_FOG\n CC_APPLY_FOG_BASE(color, v_fog_factor);\n#endif\n}\nvoid CC_APPLY_FOG(inout vec4 color, vec3 worldPos) {\n#if CC_USE_ACCURATE_FOG\n float factor;\n CC_TRANSFER_FOG_BASE(vec4(worldPos, 1.0), factor);\n#else\n float factor = v_fog_factor;\n#endif\n CC_APPLY_FOG_BASE(color, factor);\n}\n#if USE_ALPHA_TEST\n#endif\n#if USE_TEXTURE\n in vec2 v_uv;\n uniform sampler2D mainTexture;\n#endif\nlayout(std140) uniform Constant {\n vec4 mainColor;\n vec4 colorScaleAndCutoff;\n};\n#if USE_VERTEX_COLOR\n in lowp vec4 v_color;\n#endif\nvec4 frag () {\n vec4 o = mainColor;\n o.rgb *= colorScaleAndCutoff.xyz;\n #if USE_VERTEX_COLOR\n o.rgb *= SRGBToLinear(v_color.rgb);\n o.a *= v_color.a;\n #endif\n #if USE_TEXTURE\n vec4 texColor = texture(mainTexture, v_uv);\n texColor.rgb = SRGBToLinear(texColor.rgb);\n o *= texColor;\n #endif\n #if USE_ALPHA_TEST\n if (o.ALPHA_TEST_CHANNEL < colorScaleAndCutoff.w) discard;\n #endif\n CC_APPLY_FOG(o);\n return CCFragOutput(o);\n}\nlayout(location = 0) out vec4 cc_FragColor;\nvoid main() { cc_FragColor = frag(); }" }, "glsl1": { "vert": "\nprecision highp float;\n#define QUATER_PI 0.78539816340\n#define HALF_PI 1.57079632679\n#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI4 12.5663706144\n#define INV_QUATER_PI 1.27323954474\n#define INV_HALF_PI 0.63661977237\n#define INV_PI 0.31830988618\n#define INV_PI2 0.15915494309\n#define INV_PI4 0.07957747155\n#define EPSILON 1e-6\n#define EPSILON_LOWP 1e-4\n#define LOG2 1.442695\n#define EXP_VALUE 2.71828183\n#define FP_MAX 65504.0\n#define FP_SCALE 0.0009765625\n#define FP_SCALE_INV 1024.0\n#define GRAY_VECTOR vec3(0.299, 0.587, 0.114)\n#define LIGHT_MAP_TYPE_DISABLED 0\n#define LIGHT_MAP_TYPE_ALL_IN_ONE 1\n#define LIGHT_MAP_TYPE_INDIRECT_OCCLUSION 2\n#define REFLECTION_PROBE_TYPE_NONE 0\n#define REFLECTION_PROBE_TYPE_CUBE 1\n#define REFLECTION_PROBE_TYPE_PLANAR 2\n#define REFLECTION_PROBE_TYPE_BLEND 3\n#define REFLECTION_PROBE_TYPE_BLEND_AND_SKYBOX 4\n#define LIGHT_TYPE_DIRECTIONAL 0.0\n#define LIGHT_TYPE_SPHERE 1.0\n#define LIGHT_TYPE_SPOT 2.0\n#define LIGHT_TYPE_POINT 3.0\n#define LIGHT_TYPE_RANGED_DIRECTIONAL 4.0\n#define IS_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_DIRECTIONAL)) < EPSILON_LOWP)\n#define IS_SPHERE_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPHERE)) < EPSILON_LOWP)\n#define IS_SPOT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPOT)) < EPSILON_LOWP)\n#define IS_POINT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_POINT)) < EPSILON_LOWP)\n#define IS_RANGED_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_RANGED_DIRECTIONAL)) < EPSILON_LOWP)\n#define TONE_MAPPING_ACES 0\n#define TONE_MAPPING_LINEAR 1\n#define SURFACES_MAX_TRANSMIT_DEPTH_VALUE 999999.0\n#ifndef CC_SURFACES_DEBUG_VIEW_SINGLE\n #define CC_SURFACES_DEBUG_VIEW_SINGLE 1\n#endif\n#ifndef CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC\n #define CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC 2\n#endif\nstruct StandardVertInput {\n highp vec4 position;\n vec3 normal;\n vec4 tangent;\n};\nattribute vec3 a_position;\nattribute vec3 a_normal;\nattribute vec2 a_texCoord;\nattribute vec4 a_tangent;\n#if CC_USE_SKINNING\n attribute vec4 a_joints;\n attribute vec4 a_weights;\n#endif\n#if USE_INSTANCING\n #if CC_USE_BAKED_ANIMATION\n attribute highp vec4 a_jointAnimInfo;\n #endif\n attribute vec4 a_matWorld0;\n attribute vec4 a_matWorld1;\n attribute vec4 a_matWorld2;\n #if CC_USE_LIGHTMAP\n attribute vec4 a_lightingMapUVParam;\n #endif\n #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW\n #if CC_RECEIVE_SHADOW\n #endif\n attribute vec4 a_localShadowBiasAndProbeId;\n #endif\n #if CC_USE_REFLECTION_PROBE\n attribute vec4 a_reflectionProbeData;\n #endif\n #if CC_USE_LIGHT_PROBE\n attribute vec4 a_sh_linear_const_r;\n attribute vec4 a_sh_linear_const_g;\n attribute vec4 a_sh_linear_const_b;\n #endif\n#endif\n#if CC_USE_MORPH\n attribute float a_vertexId;\n int getVertexId() {\n return int(a_vertexId);\n }\n#endif\nhighp float decode32 (highp vec4 rgba) {\n rgba = rgba * 255.0;\n highp float Sign = 1.0 - (step(128.0, (rgba[3]) + 0.5)) * 2.0;\n highp float Exponent = 2.0 * (mod(float(int((rgba[3]) + 0.5)), 128.0)) + (step(128.0, (rgba[2]) + 0.5)) - 127.0;\n highp float Mantissa = (mod(float(int((rgba[2]) + 0.5)), 128.0)) * 65536.0 + rgba[1] * 256.0 + rgba[0] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n}\n#if CC_USE_MORPH\n uniform vec4 cc_displacementWeights[15];\n uniform vec4 cc_displacementTextureInfo;\n #if CC_MORPH_TARGET_HAS_POSITION\n uniform sampler2D cc_PositionDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n uniform sampler2D cc_NormalDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n uniform sampler2D cc_TangentDisplacements;\n #endif\n vec2 getPixelLocation(vec2 textureResolution, int pixelIndex) {\n float pixelIndexF = float(pixelIndex);\n float x = mod(pixelIndexF, textureResolution.x);\n float y = floor(pixelIndexF / textureResolution.x);\n return vec2(x, y);\n }\n vec2 getPixelCoordFromLocation(vec2 location, vec2 textureResolution) {\n return (vec2(location.x, location.y) + .5) / textureResolution;\n }\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 uv = getPixelCoordFromLocation(location, cc_displacementTextureInfo.xy);\n return texture2D(tex, uv);\n }\n #else\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex * 4;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 x = getPixelCoordFromLocation(location + vec2(0.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 y = getPixelCoordFromLocation(location + vec2(1.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 z = getPixelCoordFromLocation(location + vec2(2.0, 0.0), cc_displacementTextureInfo.xy);\n return vec4(\n decode32(texture2D(tex, x)),\n decode32(texture2D(tex, y)),\n decode32(texture2D(tex, z)),\n 1.0\n );\n }\n #endif\n float getDisplacementWeight(int index) {\n int quot = index / 4;\n int remainder = index - quot * 4;\n if (remainder == 0) {\n return cc_displacementWeights[quot].x;\n } else if (remainder == 1) {\n return cc_displacementWeights[quot].y;\n } else if (remainder == 2) {\n return cc_displacementWeights[quot].z;\n } else {\n return cc_displacementWeights[quot].w;\n }\n }\n vec3 getVec3DisplacementFromTexture(sampler2D tex, int vertexIndex) {\n #if CC_MORPH_PRECOMPUTED\n return fetchVec3ArrayFromTexture(tex, vertexIndex).rgb;\n #else\n vec3 result = vec3(0, 0, 0);\n int nVertices = int(cc_displacementTextureInfo.z);\n for (int iTarget = 0; iTarget < CC_MORPH_TARGET_COUNT; ++iTarget) {\n result += (fetchVec3ArrayFromTexture(tex, nVertices * iTarget + vertexIndex).rgb * getDisplacementWeight(iTarget));\n }\n return result;\n #endif\n }\n #if CC_MORPH_TARGET_HAS_POSITION\n vec3 getPositionDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_PositionDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n vec3 getNormalDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_NormalDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n vec3 getTangentDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_TangentDisplacements, vertexId);\n }\n #endif\n void applyMorph (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n int vertexId = getVertexId();\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n normal.xyz = normal.xyz + getNormalDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n tangent.xyz = tangent.xyz + getTangentDisplacement(vertexId);\n #endif\n }\n void applyMorph (inout vec4 position) {\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(getVertexId());\n #endif\n }\n#endif\n#if CC_USE_SKINNING\n #if CC_USE_BAKED_ANIMATION\n uniform highp vec4 cc_jointTextureInfo;\n uniform highp vec4 cc_jointAnimInfo;\n uniform highp sampler2D cc_jointTexture;\n void CCGetJointTextureCoords(float pixelsPerJoint, float jointIdx, out highp float x, out highp float y, out highp float invSize)\n {\n #if USE_INSTANCING\n highp float temp = pixelsPerJoint * (a_jointAnimInfo.x * a_jointAnimInfo.y + jointIdx) + a_jointAnimInfo.z;\n #else\n highp float temp = pixelsPerJoint * (cc_jointAnimInfo.x * cc_jointTextureInfo.y + jointIdx) + cc_jointTextureInfo.z;\n #endif\n invSize = cc_jointTextureInfo.w;\n highp float tempY = floor(temp * invSize);\n x = floor(temp - tempY * cc_jointTextureInfo.x);\n y = (tempY + 0.5) * invSize;\n }\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n uniform highp sampler2D cc_realtimeJoint;\n #else\n uniform highp vec4 cc_joints[CC_JOINT_UNIFORM_CAPACITY * 3];\n #endif\n #endif\n #if CC_USE_BAKED_ANIMATION\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(3.0, i, x, y, invSize);\n vec4 v1 = texture2D(cc_jointTexture, vec2((x + 0.5) * invSize, y));\n vec4 v2 = texture2D(cc_jointTexture, vec2((x + 1.5) * invSize, y));\n vec4 v3 = texture2D(cc_jointTexture, vec2((x + 2.5) * invSize, y));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(12.0, i, x, y, invSize);\n vec4 v1 = vec4(\n decode32(texture2D(cc_jointTexture, vec2((x + 0.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 1.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 2.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 3.5) * invSize, y)))\n );\n vec4 v2 = vec4(\n decode32(texture2D(cc_jointTexture, vec2((x + 4.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 5.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 6.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 7.5) * invSize, y)))\n );\n vec4 v3 = vec4(\n decode32(texture2D(cc_jointTexture, vec2((x + 8.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 9.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 10.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 11.5) * invSize, y)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n float x = i;\n vec4 v1 = texture2D(cc_realtimeJoint, vec2( x / 256.0, 0.5 / 3.0));\n vec4 v2 = texture2D(cc_realtimeJoint, vec2( x / 256.0, 1.5 / 3.0));\n vec4 v3 = texture2D(cc_realtimeJoint, vec2( x / 256.0, 2.5 / 3.0));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n float x = 4.0 * i;\n vec4 v1 = vec4(\n decode32(texture2D(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 0.5 / 3.0)))\n );\n vec4 v2 = vec4(\n decode32(texture2D(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 1.5 / 3.0)))\n );\n vec4 v3 = vec4(\n decode32(texture2D(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 2.5 / 3.0)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n mat4 getJointMatrix (float i) {\n int idx = int(i);\n vec4 v1 = cc_joints[idx * 3];\n vec4 v2 = cc_joints[idx * 3 + 1];\n vec4 v3 = cc_joints[idx * 3 + 2];\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #endif\n mat4 skinMatrix () {\n vec4 joints = vec4(a_joints);\n return getJointMatrix(joints.x) * a_weights.x\n + getJointMatrix(joints.y) * a_weights.y\n + getJointMatrix(joints.z) * a_weights.z\n + getJointMatrix(joints.w) * a_weights.w;\n }\n void CCSkin (inout vec4 position) {\n mat4 m = skinMatrix();\n position = m * position;\n }\n void CCSkin (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n mat4 m = skinMatrix();\n position = m * position;\n normal = (m * vec4(normal, 0.0)).xyz;\n tangent.xyz = (m * vec4(tangent.xyz, 0.0)).xyz;\n }\n#endif\nvoid CCVertInput(inout vec4 In)\n{\n In = vec4(a_position, 1.0);\n #if CC_USE_MORPH\n applyMorph(In);\n #endif\n #if CC_USE_SKINNING\n CCSkin(In);\n #endif\n}\nuniform highp mat4 cc_matView;\n uniform highp mat4 cc_matProj;\n uniform highp vec4 cc_cameraPos;\n uniform mediump vec4 cc_fogBase;\n uniform mediump vec4 cc_fogAdd;\n#if !USE_INSTANCING\n uniform highp mat4 cc_matWorld;\n#endif\nvoid CCGetWorldMatrix(out mat4 matWorld)\n{\n #if USE_INSTANCING\n matWorld = mat4(\n vec4(a_matWorld0.xyz, 0.0),\n vec4(a_matWorld1.xyz, 0.0),\n vec4(a_matWorld2.xyz, 0.0),\n vec4(a_matWorld0.w, a_matWorld1.w, a_matWorld2.w, 1.0)\n );\n #else\n matWorld = cc_matWorld;\n #endif\n}\n#if CC_USE_FOG != 4\n float LinearFog(vec4 pos, vec3 cameraPos, float fogStart, float fogEnd) {\n vec4 wPos = pos;\n float cam_dis = distance(cameraPos, wPos.xyz);\n return clamp((fogEnd - cam_dis) / (fogEnd - fogStart), 0., 1.);\n }\n float ExpFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * fogDensity);\n return f;\n }\n float ExpSquaredFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * cam_dis * fogDensity * fogDensity);\n return f;\n }\n float LayeredFog(vec4 pos, vec3 cameraPos, float fogTop, float fogRange, float fogAtten) {\n vec4 wPos = pos;\n vec3 camWorldProj = cameraPos.xyz;\n camWorldProj.y = 0.;\n vec3 worldPosProj = wPos.xyz;\n worldPosProj.y = 0.;\n float fDeltaD = distance(worldPosProj, camWorldProj) / fogAtten * 2.0;\n float fDeltaY, fDensityIntegral;\n if (cameraPos.y > fogTop) {\n if (wPos.y < fogTop) {\n fDeltaY = (fogTop - wPos.y) / fogRange * 2.0;\n fDensityIntegral = fDeltaY * fDeltaY * 0.5;\n }\n else {\n fDeltaY = 0.;\n fDensityIntegral = 0.;\n }\n }\n else {\n if (wPos.y < fogTop) {\n float fDeltaA = (fogTop - cameraPos.y) / fogRange * 2.;\n float fDeltaB = (fogTop - wPos.y) / fogRange * 2.;\n fDeltaY = abs(fDeltaA - fDeltaB);\n fDensityIntegral = abs((fDeltaA * fDeltaA * 0.5) - (fDeltaB * fDeltaB * 0.5));\n }\n else {\n fDeltaY = abs(fogTop - cameraPos.y) / fogRange * 2.;\n fDensityIntegral = abs(fDeltaY * fDeltaY * 0.5);\n }\n }\n float fDensity;\n if (fDeltaY != 0.) {\n fDensity = (sqrt(1.0 + ((fDeltaD / fDeltaY) * (fDeltaD / fDeltaY)))) * fDensityIntegral;\n }\n else {\n fDensity = 0.;\n }\n float f = exp(-fDensity);\n return f;\n }\n#endif\nvoid CC_TRANSFER_FOG_BASE(vec4 pos, out float factor)\n{\n#if CC_USE_FOG == 0\n\tfactor = LinearFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.y);\n#elif CC_USE_FOG == 1\n\tfactor = ExpFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 2\n\tfactor = ExpSquaredFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 3\n\tfactor = LayeredFog(pos, cc_cameraPos.xyz, cc_fogAdd.x, cc_fogAdd.y, cc_fogAdd.z);\n#else\n\tfactor = 1.0;\n#endif\n}\n#if !CC_USE_ACCURATE_FOG\nvarying mediump float v_fog_factor;\n#endif\nvoid CC_TRANSFER_FOG(vec4 pos) {\n#if !CC_USE_ACCURATE_FOG\n CC_TRANSFER_FOG_BASE(pos, v_fog_factor);\n#endif\n}\n#if USE_VERTEX_COLOR\n attribute lowp vec4 a_color;\n varying lowp vec4 v_color;\n#endif\n#if USE_TEXTURE\n varying vec2 v_uv;\n uniform vec4 tilingOffset;\n#endif\nvec4 vert () {\n vec4 position;\n CCVertInput(position);\n mat4 matWorld;\n CCGetWorldMatrix(matWorld);\n #if USE_TEXTURE\n v_uv = a_texCoord * tilingOffset.xy + tilingOffset.zw;\n #if SAMPLE_FROM_RT\n v_uv = cc_cameraPos.w > 1.0 ? vec2(v_uv.x, 1.0 - v_uv.y) : v_uv;\n #endif\n #endif\n #if USE_VERTEX_COLOR\n v_color = a_color;\n #endif\n CC_TRANSFER_FOG(matWorld * position);\n return cc_matProj * (cc_matView * matWorld) * position;\n}\nvoid main() { gl_Position = vert(); }", "frag": "\nprecision highp float;\nvec3 ACESToneMap (vec3 color) {\n color = min(color, vec3(8.0));\n const float A = 2.51;\n const float B = 0.03;\n const float C = 2.43;\n const float D = 0.59;\n const float E = 0.14;\n return (color * (A * color + B)) / (color * (C * color + D) + E);\n}\nvec3 SRGBToLinear (vec3 gamma) {\n#ifdef CC_USE_SURFACE_SHADER\n #if CC_USE_DEBUG_VIEW == CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC && CC_SURFACES_ENABLE_DEBUG_VIEW\n if (!IS_DEBUG_VIEW_COMPOSITE_ENABLE_GAMMA_CORRECTION) {\n return gamma;\n }\n #endif\n#endif\n return gamma * gamma;\n}\nvec3 LinearToSRGB(vec3 linear) {\n#ifdef CC_USE_SURFACE_SHADER\n #if CC_USE_DEBUG_VIEW == CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC && CC_SURFACES_ENABLE_DEBUG_VIEW\n if (!IS_DEBUG_VIEW_COMPOSITE_ENABLE_GAMMA_CORRECTION) {\n return linear;\n }\n #endif\n#endif\n return sqrt(linear);\n}\nvec4 packRGBE (vec3 rgb) {\n highp float maxComp = max(max(rgb.r, rgb.g), rgb.b);\n highp float e = 128.0;\n if (maxComp > 0.0001) {\n e = log(maxComp) / log(1.1);\n e = ceil(e);\n e = clamp(e + 128.0, 0.0, 255.0);\n }\n highp float sc = 1.0 / pow(1.1, e - 128.0);\n vec3 encode = clamp(rgb * sc, vec3(0.0), vec3(1.0)) * 255.0;\n vec3 encode_rounded = floor(encode) + step(encode - floor(encode), vec3(0.5));\n return vec4(encode_rounded, e) / 255.0;\n}\nvec4 CCFragOutput (vec4 color) {\n #if CC_USE_RGBE_OUTPUT\n color = packRGBE(color.rgb);\n #elif !CC_USE_FLOAT_OUTPUT\n #if CC_USE_HDR && CC_TONE_MAPPING_TYPE == HDR_TONE_MAPPING_ACES\n color.rgb = ACESToneMap(color.rgb);\n #endif\n color.rgb = LinearToSRGB(color.rgb);\n #endif\n return color;\n}\nuniform highp vec4 cc_cameraPos;\n uniform mediump vec4 cc_fogColor;\n uniform mediump vec4 cc_fogBase;\n uniform mediump vec4 cc_fogAdd;\n#if CC_USE_FOG != 4\n float LinearFog(vec4 pos, vec3 cameraPos, float fogStart, float fogEnd) {\n vec4 wPos = pos;\n float cam_dis = distance(cameraPos, wPos.xyz);\n return clamp((fogEnd - cam_dis) / (fogEnd - fogStart), 0., 1.);\n }\n float ExpFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * fogDensity);\n return f;\n }\n float ExpSquaredFog(vec4 pos, vec3 cameraPos, float fogStart, float fogDensity, float fogAtten) {\n vec4 wPos = pos;\n float cam_dis = max(distance(cameraPos, wPos.xyz) - fogStart, 0.0) / fogAtten * 4.;\n float f = exp(-cam_dis * cam_dis * fogDensity * fogDensity);\n return f;\n }\n float LayeredFog(vec4 pos, vec3 cameraPos, float fogTop, float fogRange, float fogAtten) {\n vec4 wPos = pos;\n vec3 camWorldProj = cameraPos.xyz;\n camWorldProj.y = 0.;\n vec3 worldPosProj = wPos.xyz;\n worldPosProj.y = 0.;\n float fDeltaD = distance(worldPosProj, camWorldProj) / fogAtten * 2.0;\n float fDeltaY, fDensityIntegral;\n if (cameraPos.y > fogTop) {\n if (wPos.y < fogTop) {\n fDeltaY = (fogTop - wPos.y) / fogRange * 2.0;\n fDensityIntegral = fDeltaY * fDeltaY * 0.5;\n }\n else {\n fDeltaY = 0.;\n fDensityIntegral = 0.;\n }\n }\n else {\n if (wPos.y < fogTop) {\n float fDeltaA = (fogTop - cameraPos.y) / fogRange * 2.;\n float fDeltaB = (fogTop - wPos.y) / fogRange * 2.;\n fDeltaY = abs(fDeltaA - fDeltaB);\n fDensityIntegral = abs((fDeltaA * fDeltaA * 0.5) - (fDeltaB * fDeltaB * 0.5));\n }\n else {\n fDeltaY = abs(fogTop - cameraPos.y) / fogRange * 2.;\n fDensityIntegral = abs(fDeltaY * fDeltaY * 0.5);\n }\n }\n float fDensity;\n if (fDeltaY != 0.) {\n fDensity = (sqrt(1.0 + ((fDeltaD / fDeltaY) * (fDeltaD / fDeltaY)))) * fDensityIntegral;\n }\n else {\n fDensity = 0.;\n }\n float f = exp(-fDensity);\n return f;\n }\n#endif\nvoid CC_TRANSFER_FOG_BASE(vec4 pos, out float factor)\n{\n#if CC_USE_FOG == 0\n\tfactor = LinearFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.y);\n#elif CC_USE_FOG == 1\n\tfactor = ExpFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 2\n\tfactor = ExpSquaredFog(pos, cc_cameraPos.xyz, cc_fogBase.x, cc_fogBase.z, cc_fogAdd.z);\n#elif CC_USE_FOG == 3\n\tfactor = LayeredFog(pos, cc_cameraPos.xyz, cc_fogAdd.x, cc_fogAdd.y, cc_fogAdd.z);\n#else\n\tfactor = 1.0;\n#endif\n}\nvoid CC_APPLY_FOG_BASE(inout vec4 color, float factor) {\n\tcolor = vec4(mix(cc_fogColor.rgb, color.rgb, factor), color.a);\n}\n#if !CC_USE_ACCURATE_FOG\nvarying mediump float v_fog_factor;\n#endif\nvoid CC_APPLY_FOG(inout vec4 color) {\n#if !CC_USE_ACCURATE_FOG\n CC_APPLY_FOG_BASE(color, v_fog_factor);\n#endif\n}\nvoid CC_APPLY_FOG(inout vec4 color, vec3 worldPos) {\n#if CC_USE_ACCURATE_FOG\n float factor;\n CC_TRANSFER_FOG_BASE(vec4(worldPos, 1.0), factor);\n#else\n float factor = v_fog_factor;\n#endif\n CC_APPLY_FOG_BASE(color, factor);\n}\n#if USE_ALPHA_TEST\n#endif\n#if USE_TEXTURE\n varying vec2 v_uv;\n uniform sampler2D mainTexture;\n#endif\n uniform vec4 mainColor;\n uniform vec4 colorScaleAndCutoff;\n#if USE_VERTEX_COLOR\n varying lowp vec4 v_color;\n#endif\nvec4 frag () {\n vec4 o = mainColor;\n o.rgb *= colorScaleAndCutoff.xyz;\n #if USE_VERTEX_COLOR\n o.rgb *= SRGBToLinear(v_color.rgb);\n o.a *= v_color.a;\n #endif\n #if USE_TEXTURE\n vec4 texColor = texture2D(mainTexture, v_uv);\n texColor.rgb = SRGBToLinear(texColor.rgb);\n o *= texColor;\n #endif\n #if USE_ALPHA_TEST\n if (o.ALPHA_TEST_CHANNEL < colorScaleAndCutoff.w) discard;\n #endif\n CC_APPLY_FOG(o);\n return CCFragOutput(o);\n}\nvoid main() { gl_FragColor = frag(); }" }, "builtins": { "globals": { "blocks": [ { "name": "CCGlobal", "defines": [] }, { "name": "CCCamera", "defines": [] } ], "samplerTextures": [], "buffers": [], "images": [] }, "locals": { "blocks": [ { "name": "CCMorph", "defines": [ "CC_USE_MORPH" ] }, { "name": "CCSkinningTexture", "defines": [ "CC_USE_SKINNING", "CC_USE_BAKED_ANIMATION" ] }, { "name": "CCSkinningAnimation", "defines": [ "CC_USE_SKINNING", "CC_USE_BAKED_ANIMATION" ] }, { "name": "CCSkinning", "defines": [ "CC_USE_SKINNING", "!CC_USE_BAKED_ANIMATION", "!CC_USE_REAL_TIME_JOINT_TEXTURE" ] }, { "name": "CCLocal", "defines": [ "!USE_INSTANCING" ] } ], "samplerTextures": [ { "name": "cc_PositionDisplacements", "defines": [ "CC_USE_MORPH", "CC_MORPH_TARGET_HAS_POSITION" ] }, { "name": "cc_NormalDisplacements", "defines": [ "CC_USE_MORPH", "CC_MORPH_TARGET_HAS_NORMAL" ] }, { "name": "cc_TangentDisplacements", "defines": [ "CC_USE_MORPH", "CC_MORPH_TARGET_HAS_TANGENT" ] }, { "name": "cc_jointTexture", "defines": [ "CC_USE_SKINNING", "CC_USE_BAKED_ANIMATION" ] }, { "name": "cc_realtimeJoint", "defines": [ "CC_USE_SKINNING", "!CC_USE_BAKED_ANIMATION", "CC_USE_REAL_TIME_JOINT_TEXTURE" ] } ], "buffers": [], "images": [] }, "statistics": { "CC_EFFECT_USED_VERTEX_UNIFORM_VECTORS": 75, "CC_EFFECT_USED_FRAGMENT_UNIFORM_VECTORS": 44 } }, "defines": [ { "name": "USE_INSTANCING", "type": "boolean", "defines": [], "editor": { "elevated": true } }, { "name": "CC_USE_SKINNING", "type": "boolean", "defines": [] }, { "name": "CC_USE_BAKED_ANIMATION", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_LIGHTMAP", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_REFLECTION_PROBE", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_RECEIVE_SHADOW", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_LIGHT_PROBE", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_MORPH", "type": "boolean", "defines": [] }, { "name": "CC_MORPH_TARGET_COUNT", "type": "number", "defines": [ "CC_USE_MORPH" ], "range": [ 2, 8 ] }, { "name": "CC_MORPH_TARGET_HAS_POSITION", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_MORPH_TARGET_HAS_NORMAL", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_MORPH_TARGET_HAS_TANGENT", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_MORPH_PRECOMPUTED", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_USE_REAL_TIME_JOINT_TEXTURE", "type": "boolean", "defines": [ "CC_USE_SKINNING", "!CC_USE_BAKED_ANIMATION" ] }, { "name": "CC_USE_FOG", "type": "number", "defines": [], "range": [ 0, 4 ] }, { "name": "CC_USE_ACCURATE_FOG", "type": "boolean", "defines": [] }, { "name": "USE_VERTEX_COLOR", "type": "boolean", "defines": [] }, { "name": "USE_TEXTURE", "type": "boolean", "defines": [] }, { "name": "SAMPLE_FROM_RT", "type": "boolean", "defines": [ "USE_TEXTURE" ] }, { "name": "CC_USE_DEBUG_VIEW", "type": "number", "defines": [], "range": [ 0, 3 ] }, { "name": "CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC", "type": "boolean", "defines": [ "CC_USE_DEBUG_VIEW" ] }, { "name": "CC_SURFACES_ENABLE_DEBUG_VIEW", "type": "boolean", "defines": [ "CC_USE_DEBUG_VIEW", "CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC" ] }, { "name": "CC_USE_RGBE_OUTPUT", "type": "boolean", "defines": [] }, { "name": "CC_USE_FLOAT_OUTPUT", "type": "boolean", "defines": [ "!CC_USE_RGBE_OUTPUT" ] }, { "name": "CC_USE_HDR", "type": "boolean", "defines": [ "!CC_USE_RGBE_OUTPUT", "!CC_USE_FLOAT_OUTPUT" ] }, { "name": "CC_TONE_MAPPING_TYPE", "type": "number", "defines": [ "CC_USE_HDR", "!CC_USE_RGBE_OUTPUT", "!CC_USE_FLOAT_OUTPUT" ], "range": [ 0, 3 ] }, { "name": "HDR_TONE_MAPPING_ACES", "type": "boolean", "defines": [ "CC_USE_HDR", "CC_TONE_MAPPING_TYPE", "!CC_USE_RGBE_OUTPUT", "!CC_USE_FLOAT_OUTPUT" ] }, { "name": "USE_ALPHA_TEST", "type": "boolean", "defines": [] }, { "name": "ALPHA_TEST_CHANNEL", "type": "string", "defines": [ "USE_ALPHA_TEST" ], "options": [ "a", "r", "g", "b" ] } ], "name": "builtin-unlit|unlit-vs:vert|unlit-fs:frag" }, { "blocks": [], "samplerTextures": [], "samplers": [], "textures": [], "buffers": [], "images": [], "subpassInputs": [], "attributes": [ { "name": "a_position", "defines": [], "format": 32, "location": 0 }, { "name": "a_normal", "defines": [], "format": 32, "location": 1 }, { "name": "a_texCoord", "defines": [], "format": 21, "location": 2 }, { "name": "a_tangent", "defines": [], "format": 44, "location": 3 }, { "name": "a_joints", "defines": [ "CC_USE_SKINNING" ], "location": 4 }, { "name": "a_weights", "defines": [ "CC_USE_SKINNING" ], "format": 44, "location": 5 }, { "name": "a_jointAnimInfo", "defines": [ "USE_INSTANCING", "CC_USE_BAKED_ANIMATION" ], "format": 44, "isInstanced": true, "location": 6 }, { "name": "a_matWorld0", "defines": [ "USE_INSTANCING" ], "format": 44, "isInstanced": true, "location": 7 }, { "name": "a_matWorld1", "defines": [ "USE_INSTANCING" ], "format": 44, "isInstanced": true, "location": 8 }, { "name": "a_matWorld2", "defines": [ "USE_INSTANCING" ], "format": 44, "isInstanced": true, "location": 9 }, { "name": "a_lightingMapUVParam", "defines": [ "USE_INSTANCING", "CC_USE_LIGHTMAP" ], "format": 44, "isInstanced": true, "location": 10 }, { "name": "a_localShadowBiasAndProbeId", "defines": [ "USE_INSTANCING" ], "format": 44, "isInstanced": true, "location": 11 }, { "name": "a_reflectionProbeData", "defines": [ "USE_INSTANCING", "CC_USE_REFLECTION_PROBE" ], "format": 44, "isInstanced": true, "location": 12 }, { "name": "a_sh_linear_const_r", "defines": [ "USE_INSTANCING", "CC_USE_LIGHT_PROBE" ], "format": 44, "isInstanced": true, "location": 13 }, { "name": "a_sh_linear_const_g", "defines": [ "USE_INSTANCING", "CC_USE_LIGHT_PROBE" ], "format": 44, "isInstanced": true, "location": 14 }, { "name": "a_sh_linear_const_b", "defines": [ "USE_INSTANCING", "CC_USE_LIGHT_PROBE" ], "format": 44, "isInstanced": true, "location": 15 }, { "name": "a_vertexId", "defines": [ "CC_USE_MORPH" ], 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INV_PI 0.31830988618\n#define INV_PI2 0.15915494309\n#define INV_PI4 0.07957747155\n#define EPSILON 1e-6\n#define EPSILON_LOWP 1e-4\n#define LOG2 1.442695\n#define EXP_VALUE 2.71828183\n#define FP_MAX 65504.0\n#define FP_SCALE 0.0009765625\n#define FP_SCALE_INV 1024.0\n#define GRAY_VECTOR vec3(0.299, 0.587, 0.114)\nfloat saturate(float value) { return clamp(value, 0.0, 1.0); }\nvec2 saturate(vec2 value) { return clamp(value, vec2(0.0), vec2(1.0)); }\nvec3 saturate(vec3 value) { return clamp(value, vec3(0.0), vec3(1.0)); }\nvec4 saturate(vec4 value) { return clamp(value, vec4(0.0), vec4(1.0)); }\n#define LIGHT_MAP_TYPE_DISABLED 0\n#define LIGHT_MAP_TYPE_ALL_IN_ONE 1\n#define LIGHT_MAP_TYPE_INDIRECT_OCCLUSION 2\n#define REFLECTION_PROBE_TYPE_NONE 0\n#define REFLECTION_PROBE_TYPE_CUBE 1\n#define REFLECTION_PROBE_TYPE_PLANAR 2\n#define REFLECTION_PROBE_TYPE_BLEND 3\n#define REFLECTION_PROBE_TYPE_BLEND_AND_SKYBOX 4\n#define LIGHT_TYPE_DIRECTIONAL 0.0\n#define LIGHT_TYPE_SPHERE 1.0\n#define LIGHT_TYPE_SPOT 2.0\n#define LIGHT_TYPE_POINT 3.0\n#define LIGHT_TYPE_RANGED_DIRECTIONAL 4.0\n#define IS_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_DIRECTIONAL)) < EPSILON_LOWP)\n#define IS_SPHERE_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPHERE)) < EPSILON_LOWP)\n#define IS_SPOT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPOT)) < EPSILON_LOWP)\n#define IS_POINT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_POINT)) < EPSILON_LOWP)\n#define IS_RANGED_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_RANGED_DIRECTIONAL)) < EPSILON_LOWP)\n#define TONE_MAPPING_ACES 0\n#define TONE_MAPPING_LINEAR 1\n#define SURFACES_MAX_TRANSMIT_DEPTH_VALUE 999999.0\n#ifndef CC_SURFACES_DEBUG_VIEW_SINGLE\n #define CC_SURFACES_DEBUG_VIEW_SINGLE 1\n#endif\n#ifndef CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC\n #define CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC 2\n#endif\nstruct StandardVertInput {\n highp vec4 position;\n vec3 normal;\n vec4 tangent;\n};\nlayout(location = 0) in vec3 a_position;\nlayout(location = 1) in vec3 a_normal;\nlayout(location = 2) in vec2 a_texCoord;\nlayout(location = 3) in vec4 a_tangent;\n#if CC_USE_SKINNING\n layout(location = 4) in u32vec4 a_joints;\n layout(location = 5) in vec4 a_weights;\n#endif\n#if USE_INSTANCING\n #if CC_USE_BAKED_ANIMATION\n layout(location = 6) in highp vec4 a_jointAnimInfo;\n #endif\n layout(location = 7) in vec4 a_matWorld0;\n layout(location = 8) in vec4 a_matWorld1;\n layout(location = 9) in vec4 a_matWorld2;\n #if CC_USE_LIGHTMAP\n layout(location = 10) in vec4 a_lightingMapUVParam;\n #endif\n #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW\n #if CC_RECEIVE_SHADOW\n #endif\n layout(location = 11) in vec4 a_localShadowBiasAndProbeId;\n #endif\n #if CC_USE_REFLECTION_PROBE\n layout(location = 12) in vec4 a_reflectionProbeData;\n #endif\n #if CC_USE_LIGHT_PROBE\n layout(location = 13) in vec4 a_sh_linear_const_r;\n layout(location = 14) in vec4 a_sh_linear_const_g;\n layout(location = 15) in vec4 a_sh_linear_const_b;\n #endif\n#endif\n#if CC_USE_MORPH\n int getVertexId() {\n return gl_VertexIndex;\n }\n#endif\nhighp float decode32 (highp vec4 rgba) {\n rgba = rgba * 255.0;\n highp float Sign = 1.0 - (step(128.0, (rgba[3]) + 0.5)) * 2.0;\n highp float Exponent = 2.0 * (mod(float(int((rgba[3]) + 0.5)), 128.0)) + (step(128.0, (rgba[2]) + 0.5)) - 127.0;\n highp float Mantissa = (mod(float(int((rgba[2]) + 0.5)), 128.0)) * 65536.0 + rgba[1] * 256.0 + rgba[0] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n}\n#if CC_USE_MORPH\n layout(set = 2, binding = 4) uniform CCMorph {\n vec4 cc_displacementWeights[15];\n vec4 cc_displacementTextureInfo;\n };\n #if CC_MORPH_TARGET_HAS_POSITION\n layout(set = 2, binding = 8) uniform sampler2D cc_PositionDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n layout(set = 2, binding = 9) uniform sampler2D cc_NormalDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n layout(set = 2, binding = 10) uniform sampler2D cc_TangentDisplacements;\n #endif\n vec2 getPixelLocation(vec2 textureResolution, int pixelIndex) {\n float pixelIndexF = float(pixelIndex);\n float x = mod(pixelIndexF, textureResolution.x);\n float y = floor(pixelIndexF / textureResolution.x);\n return vec2(x, y);\n }\n vec2 getPixelCoordFromLocation(vec2 location, vec2 textureResolution) {\n return (vec2(location.x, location.y) + .5) / textureResolution;\n }\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int pixelIndex) {\n ivec2 texSize = textureSize(tex, 0);\n return texelFetch(tex, ivec2(pixelIndex % texSize.x, pixelIndex / texSize.x), 0);\n }\n #else\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex * 4;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 x = getPixelCoordFromLocation(location + vec2(0.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 y = getPixelCoordFromLocation(location + vec2(1.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 z = getPixelCoordFromLocation(location + vec2(2.0, 0.0), cc_displacementTextureInfo.xy);\n return vec4(\n decode32(texture(tex, x)),\n decode32(texture(tex, y)),\n decode32(texture(tex, z)),\n 1.0\n );\n }\n #endif\n float getDisplacementWeight(int index) {\n int quot = index / 4;\n int remainder = index - quot * 4;\n if (remainder == 0) {\n return cc_displacementWeights[quot].x;\n } else if (remainder == 1) {\n return cc_displacementWeights[quot].y;\n } else if (remainder == 2) {\n return cc_displacementWeights[quot].z;\n } else {\n return cc_displacementWeights[quot].w;\n }\n }\n vec3 getVec3DisplacementFromTexture(sampler2D tex, int vertexIndex) {\n #if CC_MORPH_PRECOMPUTED\n return fetchVec3ArrayFromTexture(tex, vertexIndex).rgb;\n #else\n vec3 result = vec3(0, 0, 0);\n int nVertices = int(cc_displacementTextureInfo.z);\n for (int iTarget = 0; iTarget < CC_MORPH_TARGET_COUNT; ++iTarget) {\n result += (fetchVec3ArrayFromTexture(tex, nVertices * iTarget + vertexIndex).rgb * getDisplacementWeight(iTarget));\n }\n return result;\n #endif\n }\n #if CC_MORPH_TARGET_HAS_POSITION\n vec3 getPositionDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_PositionDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n vec3 getNormalDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_NormalDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n vec3 getTangentDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_TangentDisplacements, vertexId);\n }\n #endif\n void applyMorph (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n int vertexId = getVertexId();\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n normal.xyz = normal.xyz + getNormalDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n tangent.xyz = tangent.xyz + getTangentDisplacement(vertexId);\n #endif\n }\n void applyMorph (inout vec4 position) {\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(getVertexId());\n #endif\n }\n#endif\n#if CC_USE_SKINNING\n #if CC_USE_BAKED_ANIMATION\n layout(set = 2, binding = 3) uniform CCSkinningTexture {\n highp vec4 cc_jointTextureInfo;\n };\n layout(set = 2, binding = 2) uniform CCSkinningAnimation {\n highp vec4 cc_jointAnimInfo;\n };\n layout(set = 2, binding = 7) uniform highp sampler2D cc_jointTexture;\n void CCGetJointTextureCoords(float pixelsPerJoint, float jointIdx, out highp float x, out highp float y, out highp float invSize)\n {\n #if USE_INSTANCING\n highp float temp = pixelsPerJoint * (a_jointAnimInfo.x * a_jointAnimInfo.y + jointIdx) + a_jointAnimInfo.z;\n #else\n highp float temp = pixelsPerJoint * (cc_jointAnimInfo.x * cc_jointTextureInfo.y + jointIdx) + cc_jointTextureInfo.z;\n #endif\n invSize = cc_jointTextureInfo.w;\n highp float tempY = floor(temp * invSize);\n x = floor(temp - tempY * cc_jointTextureInfo.x);\n y = (tempY + 0.5) * invSize;\n }\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n layout(set = 2, binding = 7) uniform highp sampler2D cc_realtimeJoint;\n #else\n layout(set = 2, binding = 3) uniform CCSkinning {\n highp vec4 cc_joints[CC_JOINT_UNIFORM_CAPACITY * 3];\n };\n #endif\n #endif\n #if CC_USE_BAKED_ANIMATION\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(3.0, i, x, y, invSize);\n vec4 v1 = texture(cc_jointTexture, vec2((x + 0.5) * invSize, y));\n vec4 v2 = texture(cc_jointTexture, vec2((x + 1.5) * invSize, y));\n vec4 v3 = texture(cc_jointTexture, vec2((x + 2.5) * invSize, y));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(12.0, i, x, y, invSize);\n vec4 v1 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 0.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 1.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 2.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 3.5) * invSize, y)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 4.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 5.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 6.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 7.5) * invSize, y)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 8.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 9.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 10.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 11.5) * invSize, y)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n float x = i;\n vec4 v1 = texture(cc_realtimeJoint, vec2( x / 256.0, 0.5 / 3.0));\n vec4 v2 = texture(cc_realtimeJoint, vec2( x / 256.0, 1.5 / 3.0));\n vec4 v3 = texture(cc_realtimeJoint, vec2( x / 256.0, 2.5 / 3.0));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n float x = 4.0 * i;\n vec4 v1 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 0.5 / 3.0)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 1.5 / 3.0)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 2.5 / 3.0)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n mat4 getJointMatrix (float i) {\n int idx = int(i);\n vec4 v1 = cc_joints[idx * 3];\n vec4 v2 = cc_joints[idx * 3 + 1];\n vec4 v3 = cc_joints[idx * 3 + 2];\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #endif\n mat4 skinMatrix () {\n vec4 joints = vec4(a_joints);\n return getJointMatrix(joints.x) * a_weights.x\n + getJointMatrix(joints.y) * a_weights.y\n + getJointMatrix(joints.z) * a_weights.z\n + getJointMatrix(joints.w) * a_weights.w;\n }\n void CCSkin (inout vec4 position) {\n mat4 m = skinMatrix();\n position = m * position;\n }\n void CCSkin (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n mat4 m = skinMatrix();\n position = m * position;\n normal = (m * vec4(normal, 0.0)).xyz;\n tangent.xyz = (m * vec4(tangent.xyz, 0.0)).xyz;\n }\n#endif\nvoid CCVertInput(inout vec4 In)\n{\n In = vec4(a_position, 1.0);\n #if CC_USE_MORPH\n applyMorph(In);\n #endif\n #if CC_USE_SKINNING\n CCSkin(In);\n #endif\n}\nlayout(set = 0, binding = 0) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(set = 0, binding = 1) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\n#if !USE_INSTANCING\n layout(set = 2, binding = 0) uniform CCLocal {\n highp mat4 cc_matWorld;\n highp mat4 cc_matWorldIT;\n highp vec4 cc_lightingMapUVParam;\n highp vec4 cc_localShadowBias;\n highp vec4 cc_reflectionProbeData1;\n highp vec4 cc_reflectionProbeData2;\n highp vec4 cc_reflectionProbeBlendData1;\n highp vec4 cc_reflectionProbeBlendData2;\n };\n#endif\nvoid CCGetWorldMatrixFull(out mat4 matWorld, out mat4 matWorldIT)\n{\n #if USE_INSTANCING\n matWorld = mat4(\n vec4(a_matWorld0.xyz, 0.0),\n vec4(a_matWorld1.xyz, 0.0),\n vec4(a_matWorld2.xyz, 0.0),\n vec4(a_matWorld0.w, a_matWorld1.w, a_matWorld2.w, 1.0)\n );\n vec3 scale = 1.0 / vec3(length(a_matWorld0.xyz), length(a_matWorld1.xyz), length(a_matWorld2.xyz));\n vec3 scale2 = scale * scale;\n matWorldIT = mat4(\n vec4(a_matWorld0.xyz * scale2.x, 0.0),\n vec4(a_matWorld1.xyz * scale2.y, 0.0),\n vec4(a_matWorld2.xyz * scale2.z, 0.0),\n vec4(0.0, 0.0, 0.0, 1.0)\n );\n #else\n matWorld = cc_matWorld;\n matWorldIT = cc_matWorldIT;\n #endif\n}\nlayout(set = 0, binding = 2) uniform CCShadow {\n highp mat4 cc_matLightView;\n highp mat4 cc_matLightViewProj;\n highp vec4 cc_shadowInvProjDepthInfo;\n highp vec4 cc_shadowProjDepthInfo;\n highp vec4 cc_shadowProjInfo;\n mediump vec4 cc_shadowNFLSInfo;\n mediump vec4 cc_shadowWHPBInfo;\n mediump vec4 cc_shadowLPNNInfo;\n lowp vec4 cc_shadowColor;\n mediump vec4 cc_planarNDInfo;\n};\nvec4 CalculatePlanarShadowPos(vec3 meshWorldPos, vec3 cameraPos, vec3 lightDir, vec4 plane) {\n vec3 P = meshWorldPos;\n vec3 L = lightDir;\n vec3 N = plane.xyz;\n float d = plane.w + EPSILON_LOWP;\n float dist = (-d - dot(P, N)) / (dot(L, N) + EPSILON_LOWP);\n vec3 shadowPos = P + L * dist;\n return vec4(shadowPos, dist);\n}\nvec4 CalculatePlanarShadowClipPos(vec4 shadowPos, vec3 cameraPos, mat4 matView, mat4 matProj, vec4 nearFar, float bias) {\n vec4 camPos = matView * vec4(shadowPos.xyz, 1.0);\n float lerpCoef = saturate((nearFar.z < 0.0 ? -camPos.z : camPos.z) / (nearFar.y - nearFar.x));\n camPos.z += mix(nearFar.x * 0.01, nearFar.y * EPSILON_LOWP * bias, lerpCoef);\n return matProj * camPos;\n}\nlayout(location = 0) out float v_dist;\nvec4 vert () {\n vec4 position;\n CCVertInput(position);\n mat4 matWorld, matWorldIT;\n CCGetWorldMatrixFull(matWorld, matWorldIT);\n vec3 worldPos = (matWorld * position).xyz;\n vec4 shadowPos = CalculatePlanarShadowPos(worldPos, cc_cameraPos.xyz, cc_mainLitDir.xyz, cc_planarNDInfo);\n position = CalculatePlanarShadowClipPos(shadowPos, cc_cameraPos.xyz, cc_matView, cc_matProj, cc_nearFar, cc_shadowWHPBInfo.w);\n v_dist = shadowPos.w;\n return position;\n}\nvoid main() { gl_Position = vert(); }", "frag": "\nprecision highp float;\nlayout(set = 0, binding = 2) uniform CCShadow {\n highp mat4 cc_matLightView;\n highp mat4 cc_matLightViewProj;\n highp vec4 cc_shadowInvProjDepthInfo;\n highp vec4 cc_shadowProjDepthInfo;\n highp vec4 cc_shadowProjInfo;\n mediump vec4 cc_shadowNFLSInfo;\n mediump vec4 cc_shadowWHPBInfo;\n mediump vec4 cc_shadowLPNNInfo;\n lowp vec4 cc_shadowColor;\n mediump vec4 cc_planarNDInfo;\n};\nlayout(set = 0, binding = 0) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(set = 0, binding = 1) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\nvec4 CCFragOutput (vec4 color) {\n return color;\n}\nlayout(location = 0) in float v_dist;\nvec4 frag () {\n if(v_dist < 0.0)\n discard;\n return CCFragOutput(cc_shadowColor);\n}\nlayout(location = 0) out vec4 cc_FragColor;\nvoid main() { cc_FragColor = frag(); }" }, "glsl3": { "vert": "\nprecision highp float;\n#define QUATER_PI 0.78539816340\n#define HALF_PI 1.57079632679\n#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI4 12.5663706144\n#define INV_QUATER_PI 1.27323954474\n#define INV_HALF_PI 0.63661977237\n#define INV_PI 0.31830988618\n#define INV_PI2 0.15915494309\n#define INV_PI4 0.07957747155\n#define EPSILON 1e-6\n#define EPSILON_LOWP 1e-4\n#define LOG2 1.442695\n#define EXP_VALUE 2.71828183\n#define FP_MAX 65504.0\n#define FP_SCALE 0.0009765625\n#define FP_SCALE_INV 1024.0\n#define GRAY_VECTOR vec3(0.299, 0.587, 0.114)\nfloat saturate(float value) { return clamp(value, 0.0, 1.0); }\nvec2 saturate(vec2 value) { return clamp(value, vec2(0.0), vec2(1.0)); }\nvec3 saturate(vec3 value) { return clamp(value, vec3(0.0), vec3(1.0)); }\nvec4 saturate(vec4 value) { return clamp(value, vec4(0.0), vec4(1.0)); }\n#define LIGHT_MAP_TYPE_DISABLED 0\n#define LIGHT_MAP_TYPE_ALL_IN_ONE 1\n#define LIGHT_MAP_TYPE_INDIRECT_OCCLUSION 2\n#define REFLECTION_PROBE_TYPE_NONE 0\n#define REFLECTION_PROBE_TYPE_CUBE 1\n#define REFLECTION_PROBE_TYPE_PLANAR 2\n#define REFLECTION_PROBE_TYPE_BLEND 3\n#define REFLECTION_PROBE_TYPE_BLEND_AND_SKYBOX 4\n#define LIGHT_TYPE_DIRECTIONAL 0.0\n#define LIGHT_TYPE_SPHERE 1.0\n#define LIGHT_TYPE_SPOT 2.0\n#define LIGHT_TYPE_POINT 3.0\n#define LIGHT_TYPE_RANGED_DIRECTIONAL 4.0\n#define IS_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_DIRECTIONAL)) < EPSILON_LOWP)\n#define IS_SPHERE_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPHERE)) < EPSILON_LOWP)\n#define IS_SPOT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPOT)) < EPSILON_LOWP)\n#define IS_POINT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_POINT)) < EPSILON_LOWP)\n#define IS_RANGED_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_RANGED_DIRECTIONAL)) < EPSILON_LOWP)\n#define TONE_MAPPING_ACES 0\n#define TONE_MAPPING_LINEAR 1\n#define SURFACES_MAX_TRANSMIT_DEPTH_VALUE 999999.0\n#ifndef CC_SURFACES_DEBUG_VIEW_SINGLE\n #define CC_SURFACES_DEBUG_VIEW_SINGLE 1\n#endif\n#ifndef CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC\n #define CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC 2\n#endif\nstruct StandardVertInput {\n highp vec4 position;\n vec3 normal;\n vec4 tangent;\n};\nin vec3 a_position;\nin vec3 a_normal;\nin vec2 a_texCoord;\nin vec4 a_tangent;\n#if CC_USE_SKINNING\n in vec4 a_joints;\n in vec4 a_weights;\n#endif\n#if USE_INSTANCING\n #if CC_USE_BAKED_ANIMATION\n in highp vec4 a_jointAnimInfo;\n #endif\n in vec4 a_matWorld0;\n in vec4 a_matWorld1;\n in vec4 a_matWorld2;\n #if CC_USE_LIGHTMAP\n in vec4 a_lightingMapUVParam;\n #endif\n #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW\n #if CC_RECEIVE_SHADOW\n #endif\n in vec4 a_localShadowBiasAndProbeId;\n #endif\n #if CC_USE_REFLECTION_PROBE\n in vec4 a_reflectionProbeData;\n #endif\n #if CC_USE_LIGHT_PROBE\n in vec4 a_sh_linear_const_r;\n in vec4 a_sh_linear_const_g;\n in vec4 a_sh_linear_const_b;\n #endif\n#endif\n#if CC_USE_MORPH\n in float a_vertexId;\n int getVertexId() {\n return int(a_vertexId);\n }\n#endif\nhighp float decode32 (highp vec4 rgba) {\n rgba = rgba * 255.0;\n highp float Sign = 1.0 - (step(128.0, (rgba[3]) + 0.5)) * 2.0;\n highp float Exponent = 2.0 * (mod(float(int((rgba[3]) + 0.5)), 128.0)) + (step(128.0, (rgba[2]) + 0.5)) - 127.0;\n highp float Mantissa = (mod(float(int((rgba[2]) + 0.5)), 128.0)) * 65536.0 + rgba[1] * 256.0 + rgba[0] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n}\n#if CC_USE_MORPH\n layout(std140) uniform CCMorph {\n vec4 cc_displacementWeights[15];\n vec4 cc_displacementTextureInfo;\n };\n #if CC_MORPH_TARGET_HAS_POSITION\n uniform sampler2D cc_PositionDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n uniform sampler2D cc_NormalDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n uniform sampler2D cc_TangentDisplacements;\n #endif\n vec2 getPixelLocation(vec2 textureResolution, int pixelIndex) {\n float pixelIndexF = float(pixelIndex);\n float x = mod(pixelIndexF, textureResolution.x);\n float y = floor(pixelIndexF / textureResolution.x);\n return vec2(x, y);\n }\n vec2 getPixelCoordFromLocation(vec2 location, vec2 textureResolution) {\n return (vec2(location.x, location.y) + .5) / textureResolution;\n }\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int pixelIndex) {\n ivec2 texSize = textureSize(tex, 0);\n return texelFetch(tex, ivec2(pixelIndex % texSize.x, pixelIndex / texSize.x), 0);\n }\n #else\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex * 4;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 x = getPixelCoordFromLocation(location + vec2(0.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 y = getPixelCoordFromLocation(location + vec2(1.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 z = getPixelCoordFromLocation(location + vec2(2.0, 0.0), cc_displacementTextureInfo.xy);\n return vec4(\n decode32(texture(tex, x)),\n decode32(texture(tex, y)),\n decode32(texture(tex, z)),\n 1.0\n );\n }\n #endif\n float getDisplacementWeight(int index) {\n int quot = index / 4;\n int remainder = index - quot * 4;\n if (remainder == 0) {\n return cc_displacementWeights[quot].x;\n } else if (remainder == 1) {\n return cc_displacementWeights[quot].y;\n } else if (remainder == 2) {\n return cc_displacementWeights[quot].z;\n } else {\n return cc_displacementWeights[quot].w;\n }\n }\n vec3 getVec3DisplacementFromTexture(sampler2D tex, int vertexIndex) {\n #if CC_MORPH_PRECOMPUTED\n return fetchVec3ArrayFromTexture(tex, vertexIndex).rgb;\n #else\n vec3 result = vec3(0, 0, 0);\n int nVertices = int(cc_displacementTextureInfo.z);\n for (int iTarget = 0; iTarget < CC_MORPH_TARGET_COUNT; ++iTarget) {\n result += (fetchVec3ArrayFromTexture(tex, nVertices * iTarget + vertexIndex).rgb * getDisplacementWeight(iTarget));\n }\n return result;\n #endif\n }\n #if CC_MORPH_TARGET_HAS_POSITION\n vec3 getPositionDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_PositionDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n vec3 getNormalDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_NormalDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n vec3 getTangentDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_TangentDisplacements, vertexId);\n }\n #endif\n void applyMorph (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n int vertexId = getVertexId();\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n normal.xyz = normal.xyz + getNormalDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n tangent.xyz = tangent.xyz + getTangentDisplacement(vertexId);\n #endif\n }\n void applyMorph (inout vec4 position) {\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(getVertexId());\n #endif\n }\n#endif\n#if CC_USE_SKINNING\n #if CC_USE_BAKED_ANIMATION\n layout(std140) uniform CCSkinningTexture {\n highp vec4 cc_jointTextureInfo;\n };\n layout(std140) uniform CCSkinningAnimation {\n highp vec4 cc_jointAnimInfo;\n };\n uniform highp sampler2D cc_jointTexture;\n void CCGetJointTextureCoords(float pixelsPerJoint, float jointIdx, out highp float x, out highp float y, out highp float invSize)\n {\n #if USE_INSTANCING\n highp float temp = pixelsPerJoint * (a_jointAnimInfo.x * a_jointAnimInfo.y + jointIdx) + a_jointAnimInfo.z;\n #else\n highp float temp = pixelsPerJoint * (cc_jointAnimInfo.x * cc_jointTextureInfo.y + jointIdx) + cc_jointTextureInfo.z;\n #endif\n invSize = cc_jointTextureInfo.w;\n highp float tempY = floor(temp * invSize);\n x = floor(temp - tempY * cc_jointTextureInfo.x);\n y = (tempY + 0.5) * invSize;\n }\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n uniform highp sampler2D cc_realtimeJoint;\n #else\n layout(std140) uniform CCSkinning {\n highp vec4 cc_joints[CC_JOINT_UNIFORM_CAPACITY * 3];\n };\n #endif\n #endif\n #if CC_USE_BAKED_ANIMATION\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(3.0, i, x, y, invSize);\n vec4 v1 = texture(cc_jointTexture, vec2((x + 0.5) * invSize, y));\n vec4 v2 = texture(cc_jointTexture, vec2((x + 1.5) * invSize, y));\n vec4 v3 = texture(cc_jointTexture, vec2((x + 2.5) * invSize, y));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(12.0, i, x, y, invSize);\n vec4 v1 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 0.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 1.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 2.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 3.5) * invSize, y)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 4.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 5.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 6.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 7.5) * invSize, y)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_jointTexture, vec2((x + 8.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 9.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 10.5) * invSize, y))),\n decode32(texture(cc_jointTexture, vec2((x + 11.5) * invSize, y)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n float x = i;\n vec4 v1 = texture(cc_realtimeJoint, vec2( x / 256.0, 0.5 / 3.0));\n vec4 v2 = texture(cc_realtimeJoint, vec2( x / 256.0, 1.5 / 3.0));\n vec4 v3 = texture(cc_realtimeJoint, vec2( x / 256.0, 2.5 / 3.0));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n float x = 4.0 * i;\n vec4 v1 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 0.5 / 3.0)))\n );\n vec4 v2 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 1.5 / 3.0)))\n );\n vec4 v3 = vec4(\n decode32(texture(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 2.5 / 3.0)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n mat4 getJointMatrix (float i) {\n int idx = int(i);\n vec4 v1 = cc_joints[idx * 3];\n vec4 v2 = cc_joints[idx * 3 + 1];\n vec4 v3 = cc_joints[idx * 3 + 2];\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #endif\n mat4 skinMatrix () {\n vec4 joints = vec4(a_joints);\n return getJointMatrix(joints.x) * a_weights.x\n + getJointMatrix(joints.y) * a_weights.y\n + getJointMatrix(joints.z) * a_weights.z\n + getJointMatrix(joints.w) * a_weights.w;\n }\n void CCSkin (inout vec4 position) {\n mat4 m = skinMatrix();\n position = m * position;\n }\n void CCSkin (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n mat4 m = skinMatrix();\n position = m * position;\n normal = (m * vec4(normal, 0.0)).xyz;\n tangent.xyz = (m * vec4(tangent.xyz, 0.0)).xyz;\n }\n#endif\nvoid CCVertInput(inout vec4 In)\n{\n In = vec4(a_position, 1.0);\n #if CC_USE_MORPH\n applyMorph(In);\n #endif\n #if CC_USE_SKINNING\n CCSkin(In);\n #endif\n}\nlayout(std140) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(std140) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\n#if !USE_INSTANCING\n layout(std140) uniform CCLocal {\n highp mat4 cc_matWorld;\n highp mat4 cc_matWorldIT;\n highp vec4 cc_lightingMapUVParam;\n highp vec4 cc_localShadowBias;\n highp vec4 cc_reflectionProbeData1;\n highp vec4 cc_reflectionProbeData2;\n highp vec4 cc_reflectionProbeBlendData1;\n highp vec4 cc_reflectionProbeBlendData2;\n };\n#endif\nvoid CCGetWorldMatrixFull(out mat4 matWorld, out mat4 matWorldIT)\n{\n #if USE_INSTANCING\n matWorld = mat4(\n vec4(a_matWorld0.xyz, 0.0),\n vec4(a_matWorld1.xyz, 0.0),\n vec4(a_matWorld2.xyz, 0.0),\n vec4(a_matWorld0.w, a_matWorld1.w, a_matWorld2.w, 1.0)\n );\n vec3 scale = 1.0 / vec3(length(a_matWorld0.xyz), length(a_matWorld1.xyz), length(a_matWorld2.xyz));\n vec3 scale2 = scale * scale;\n matWorldIT = mat4(\n vec4(a_matWorld0.xyz * scale2.x, 0.0),\n vec4(a_matWorld1.xyz * scale2.y, 0.0),\n vec4(a_matWorld2.xyz * scale2.z, 0.0),\n vec4(0.0, 0.0, 0.0, 1.0)\n );\n #else\n matWorld = cc_matWorld;\n matWorldIT = cc_matWorldIT;\n #endif\n}\nlayout(std140) uniform CCShadow {\n highp mat4 cc_matLightView;\n highp mat4 cc_matLightViewProj;\n highp vec4 cc_shadowInvProjDepthInfo;\n highp vec4 cc_shadowProjDepthInfo;\n highp vec4 cc_shadowProjInfo;\n mediump vec4 cc_shadowNFLSInfo;\n mediump vec4 cc_shadowWHPBInfo;\n mediump vec4 cc_shadowLPNNInfo;\n lowp vec4 cc_shadowColor;\n mediump vec4 cc_planarNDInfo;\n};\nvec4 CalculatePlanarShadowPos(vec3 meshWorldPos, vec3 cameraPos, vec3 lightDir, vec4 plane) {\n vec3 P = meshWorldPos;\n vec3 L = lightDir;\n vec3 N = plane.xyz;\n float d = plane.w + EPSILON_LOWP;\n float dist = (-d - dot(P, N)) / (dot(L, N) + EPSILON_LOWP);\n vec3 shadowPos = P + L * dist;\n return vec4(shadowPos, dist);\n}\nvec4 CalculatePlanarShadowClipPos(vec4 shadowPos, vec3 cameraPos, mat4 matView, mat4 matProj, vec4 nearFar, float bias) {\n vec4 camPos = matView * vec4(shadowPos.xyz, 1.0);\n float lerpCoef = saturate((nearFar.z < 0.0 ? -camPos.z : camPos.z) / (nearFar.y - nearFar.x));\n camPos.z += mix(nearFar.x * 0.01, nearFar.y * EPSILON_LOWP * bias, lerpCoef);\n return matProj * camPos;\n}\nout float v_dist;\nvec4 vert () {\n vec4 position;\n CCVertInput(position);\n mat4 matWorld, matWorldIT;\n CCGetWorldMatrixFull(matWorld, matWorldIT);\n vec3 worldPos = (matWorld * position).xyz;\n vec4 shadowPos = CalculatePlanarShadowPos(worldPos, cc_cameraPos.xyz, cc_mainLitDir.xyz, cc_planarNDInfo);\n position = CalculatePlanarShadowClipPos(shadowPos, cc_cameraPos.xyz, cc_matView, cc_matProj, cc_nearFar, cc_shadowWHPBInfo.w);\n v_dist = shadowPos.w;\n return position;\n}\nvoid main() { gl_Position = vert(); }", "frag": "\nprecision highp float;\nlayout(std140) uniform CCShadow {\n highp mat4 cc_matLightView;\n highp mat4 cc_matLightViewProj;\n highp vec4 cc_shadowInvProjDepthInfo;\n highp vec4 cc_shadowProjDepthInfo;\n highp vec4 cc_shadowProjInfo;\n mediump vec4 cc_shadowNFLSInfo;\n mediump vec4 cc_shadowWHPBInfo;\n mediump vec4 cc_shadowLPNNInfo;\n lowp vec4 cc_shadowColor;\n mediump vec4 cc_planarNDInfo;\n};\nlayout(std140) uniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_nativeSize;\n mediump vec4 cc_probeInfo;\n mediump vec4 cc_debug_view_mode;\n};\nlayout(std140) uniform CCCamera {\n highp mat4 cc_matView;\n highp mat4 cc_matViewInv;\n highp mat4 cc_matProj;\n highp mat4 cc_matProjInv;\n highp mat4 cc_matViewProj;\n highp mat4 cc_matViewProjInv;\n highp vec4 cc_cameraPos;\n mediump vec4 cc_surfaceTransform;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_exposure;\n mediump vec4 cc_mainLitDir;\n mediump vec4 cc_mainLitColor;\n mediump vec4 cc_ambientSky;\n mediump vec4 cc_ambientGround;\n mediump vec4 cc_fogColor;\n mediump vec4 cc_fogBase;\n mediump vec4 cc_fogAdd;\n mediump vec4 cc_nearFar;\n mediump vec4 cc_viewPort;\n};\nvec4 CCFragOutput (vec4 color) {\n return color;\n}\nin float v_dist;\nvec4 frag () {\n if(v_dist < 0.0)\n discard;\n return CCFragOutput(cc_shadowColor);\n}\nlayout(location = 0) out vec4 cc_FragColor;\nvoid main() { cc_FragColor = frag(); }" }, "glsl1": { "vert": "\nprecision highp float;\n#define QUATER_PI 0.78539816340\n#define HALF_PI 1.57079632679\n#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI4 12.5663706144\n#define INV_QUATER_PI 1.27323954474\n#define INV_HALF_PI 0.63661977237\n#define INV_PI 0.31830988618\n#define INV_PI2 0.15915494309\n#define INV_PI4 0.07957747155\n#define EPSILON 1e-6\n#define EPSILON_LOWP 1e-4\n#define LOG2 1.442695\n#define EXP_VALUE 2.71828183\n#define FP_MAX 65504.0\n#define FP_SCALE 0.0009765625\n#define FP_SCALE_INV 1024.0\n#define GRAY_VECTOR vec3(0.299, 0.587, 0.114)\nfloat saturate(float value) { return clamp(value, 0.0, 1.0); }\nvec2 saturate(vec2 value) { return clamp(value, vec2(0.0), vec2(1.0)); }\nvec3 saturate(vec3 value) { return clamp(value, vec3(0.0), vec3(1.0)); }\nvec4 saturate(vec4 value) { return clamp(value, vec4(0.0), vec4(1.0)); }\n#define LIGHT_MAP_TYPE_DISABLED 0\n#define LIGHT_MAP_TYPE_ALL_IN_ONE 1\n#define LIGHT_MAP_TYPE_INDIRECT_OCCLUSION 2\n#define REFLECTION_PROBE_TYPE_NONE 0\n#define REFLECTION_PROBE_TYPE_CUBE 1\n#define REFLECTION_PROBE_TYPE_PLANAR 2\n#define REFLECTION_PROBE_TYPE_BLEND 3\n#define REFLECTION_PROBE_TYPE_BLEND_AND_SKYBOX 4\n#define LIGHT_TYPE_DIRECTIONAL 0.0\n#define LIGHT_TYPE_SPHERE 1.0\n#define LIGHT_TYPE_SPOT 2.0\n#define LIGHT_TYPE_POINT 3.0\n#define LIGHT_TYPE_RANGED_DIRECTIONAL 4.0\n#define IS_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_DIRECTIONAL)) < EPSILON_LOWP)\n#define IS_SPHERE_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPHERE)) < EPSILON_LOWP)\n#define IS_SPOT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_SPOT)) < EPSILON_LOWP)\n#define IS_POINT_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_POINT)) < EPSILON_LOWP)\n#define IS_RANGED_DIRECTIONAL_LIGHT(light_type) (abs(float(light_type) - float(LIGHT_TYPE_RANGED_DIRECTIONAL)) < EPSILON_LOWP)\n#define TONE_MAPPING_ACES 0\n#define TONE_MAPPING_LINEAR 1\n#define SURFACES_MAX_TRANSMIT_DEPTH_VALUE 999999.0\n#ifndef CC_SURFACES_DEBUG_VIEW_SINGLE\n #define CC_SURFACES_DEBUG_VIEW_SINGLE 1\n#endif\n#ifndef CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC\n #define CC_SURFACES_DEBUG_VIEW_COMPOSITE_AND_MISC 2\n#endif\nstruct StandardVertInput {\n highp vec4 position;\n vec3 normal;\n vec4 tangent;\n};\nattribute vec3 a_position;\nattribute vec3 a_normal;\nattribute vec2 a_texCoord;\nattribute vec4 a_tangent;\n#if CC_USE_SKINNING\n attribute vec4 a_joints;\n attribute vec4 a_weights;\n#endif\n#if USE_INSTANCING\n #if CC_USE_BAKED_ANIMATION\n attribute highp vec4 a_jointAnimInfo;\n #endif\n attribute vec4 a_matWorld0;\n attribute vec4 a_matWorld1;\n attribute vec4 a_matWorld2;\n #if CC_USE_LIGHTMAP\n attribute vec4 a_lightingMapUVParam;\n #endif\n #if CC_USE_REFLECTION_PROBE || CC_RECEIVE_SHADOW\n #if CC_RECEIVE_SHADOW\n #endif\n attribute vec4 a_localShadowBiasAndProbeId;\n #endif\n #if CC_USE_REFLECTION_PROBE\n attribute vec4 a_reflectionProbeData;\n #endif\n #if CC_USE_LIGHT_PROBE\n attribute vec4 a_sh_linear_const_r;\n attribute vec4 a_sh_linear_const_g;\n attribute vec4 a_sh_linear_const_b;\n #endif\n#endif\n#if CC_USE_MORPH\n attribute float a_vertexId;\n int getVertexId() {\n return int(a_vertexId);\n }\n#endif\nhighp float decode32 (highp vec4 rgba) {\n rgba = rgba * 255.0;\n highp float Sign = 1.0 - (step(128.0, (rgba[3]) + 0.5)) * 2.0;\n highp float Exponent = 2.0 * (mod(float(int((rgba[3]) + 0.5)), 128.0)) + (step(128.0, (rgba[2]) + 0.5)) - 127.0;\n highp float Mantissa = (mod(float(int((rgba[2]) + 0.5)), 128.0)) * 65536.0 + rgba[1] * 256.0 + rgba[0] + 8388608.0;\n return Sign * exp2(Exponent - 23.0) * Mantissa;\n}\n#if CC_USE_MORPH\n uniform vec4 cc_displacementWeights[15];\n uniform vec4 cc_displacementTextureInfo;\n #if CC_MORPH_TARGET_HAS_POSITION\n uniform sampler2D cc_PositionDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n uniform sampler2D cc_NormalDisplacements;\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n uniform sampler2D cc_TangentDisplacements;\n #endif\n vec2 getPixelLocation(vec2 textureResolution, int pixelIndex) {\n float pixelIndexF = float(pixelIndex);\n float x = mod(pixelIndexF, textureResolution.x);\n float y = floor(pixelIndexF / textureResolution.x);\n return vec2(x, y);\n }\n vec2 getPixelCoordFromLocation(vec2 location, vec2 textureResolution) {\n return (vec2(location.x, location.y) + .5) / textureResolution;\n }\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 uv = getPixelCoordFromLocation(location, cc_displacementTextureInfo.xy);\n return texture2D(tex, uv);\n }\n #else\n vec4 fetchVec3ArrayFromTexture(sampler2D tex, int elementIndex) {\n int pixelIndex = elementIndex * 4;\n vec2 location = getPixelLocation(cc_displacementTextureInfo.xy, pixelIndex);\n vec2 x = getPixelCoordFromLocation(location + vec2(0.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 y = getPixelCoordFromLocation(location + vec2(1.0, 0.0), cc_displacementTextureInfo.xy);\n vec2 z = getPixelCoordFromLocation(location + vec2(2.0, 0.0), cc_displacementTextureInfo.xy);\n return vec4(\n decode32(texture2D(tex, x)),\n decode32(texture2D(tex, y)),\n decode32(texture2D(tex, z)),\n 1.0\n );\n }\n #endif\n float getDisplacementWeight(int index) {\n int quot = index / 4;\n int remainder = index - quot * 4;\n if (remainder == 0) {\n return cc_displacementWeights[quot].x;\n } else if (remainder == 1) {\n return cc_displacementWeights[quot].y;\n } else if (remainder == 2) {\n return cc_displacementWeights[quot].z;\n } else {\n return cc_displacementWeights[quot].w;\n }\n }\n vec3 getVec3DisplacementFromTexture(sampler2D tex, int vertexIndex) {\n #if CC_MORPH_PRECOMPUTED\n return fetchVec3ArrayFromTexture(tex, vertexIndex).rgb;\n #else\n vec3 result = vec3(0, 0, 0);\n int nVertices = int(cc_displacementTextureInfo.z);\n for (int iTarget = 0; iTarget < CC_MORPH_TARGET_COUNT; ++iTarget) {\n result += (fetchVec3ArrayFromTexture(tex, nVertices * iTarget + vertexIndex).rgb * getDisplacementWeight(iTarget));\n }\n return result;\n #endif\n }\n #if CC_MORPH_TARGET_HAS_POSITION\n vec3 getPositionDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_PositionDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n vec3 getNormalDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_NormalDisplacements, vertexId);\n }\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n vec3 getTangentDisplacement(int vertexId) {\n return getVec3DisplacementFromTexture(cc_TangentDisplacements, vertexId);\n }\n #endif\n void applyMorph (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n int vertexId = getVertexId();\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_NORMAL\n normal.xyz = normal.xyz + getNormalDisplacement(vertexId);\n #endif\n #if CC_MORPH_TARGET_HAS_TANGENT\n tangent.xyz = tangent.xyz + getTangentDisplacement(vertexId);\n #endif\n }\n void applyMorph (inout vec4 position) {\n #if CC_MORPH_TARGET_HAS_POSITION\n position.xyz = position.xyz + getPositionDisplacement(getVertexId());\n #endif\n }\n#endif\n#if CC_USE_SKINNING\n #if CC_USE_BAKED_ANIMATION\n uniform highp vec4 cc_jointTextureInfo;\n uniform highp vec4 cc_jointAnimInfo;\n uniform highp sampler2D cc_jointTexture;\n void CCGetJointTextureCoords(float pixelsPerJoint, float jointIdx, out highp float x, out highp float y, out highp float invSize)\n {\n #if USE_INSTANCING\n highp float temp = pixelsPerJoint * (a_jointAnimInfo.x * a_jointAnimInfo.y + jointIdx) + a_jointAnimInfo.z;\n #else\n highp float temp = pixelsPerJoint * (cc_jointAnimInfo.x * cc_jointTextureInfo.y + jointIdx) + cc_jointTextureInfo.z;\n #endif\n invSize = cc_jointTextureInfo.w;\n highp float tempY = floor(temp * invSize);\n x = floor(temp - tempY * cc_jointTextureInfo.x);\n y = (tempY + 0.5) * invSize;\n }\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n uniform highp sampler2D cc_realtimeJoint;\n #else\n uniform highp vec4 cc_joints[CC_JOINT_UNIFORM_CAPACITY * 3];\n #endif\n #endif\n #if CC_USE_BAKED_ANIMATION\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(3.0, i, x, y, invSize);\n vec4 v1 = texture2D(cc_jointTexture, vec2((x + 0.5) * invSize, y));\n vec4 v2 = texture2D(cc_jointTexture, vec2((x + 1.5) * invSize, y));\n vec4 v3 = texture2D(cc_jointTexture, vec2((x + 2.5) * invSize, y));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n highp float x, y, invSize;\n CCGetJointTextureCoords(12.0, i, x, y, invSize);\n vec4 v1 = vec4(\n decode32(texture2D(cc_jointTexture, vec2((x + 0.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 1.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 2.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 3.5) * invSize, y)))\n );\n vec4 v2 = vec4(\n decode32(texture2D(cc_jointTexture, vec2((x + 4.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 5.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 6.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 7.5) * invSize, y)))\n );\n vec4 v3 = vec4(\n decode32(texture2D(cc_jointTexture, vec2((x + 8.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 9.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 10.5) * invSize, y))),\n decode32(texture2D(cc_jointTexture, vec2((x + 11.5) * invSize, y)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n #if CC_USE_REAL_TIME_JOINT_TEXTURE\n #if CC_DEVICE_SUPPORT_FLOAT_TEXTURE\n mat4 getJointMatrix (float i) {\n float x = i;\n vec4 v1 = texture2D(cc_realtimeJoint, vec2( x / 256.0, 0.5 / 3.0));\n vec4 v2 = texture2D(cc_realtimeJoint, vec2( x / 256.0, 1.5 / 3.0));\n vec4 v3 = texture2D(cc_realtimeJoint, vec2( x / 256.0, 2.5 / 3.0));\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #else\n mat4 getJointMatrix (float i) {\n float x = 4.0 * i;\n vec4 v1 = vec4(\n decode32(texture2D(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 0.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 0.5 / 3.0)))\n );\n vec4 v2 = vec4(\n decode32(texture2D(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 1.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 1.5 / 3.0)))\n );\n vec4 v3 = vec4(\n decode32(texture2D(cc_realtimeJoint, vec2((x + 0.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 1.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 2.5)/ 1024.0, 2.5 / 3.0))),\n decode32(texture2D(cc_realtimeJoint, vec2((x + 3.5)/ 1024.0, 2.5 / 3.0)))\n );\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #else\n mat4 getJointMatrix (float i) {\n int idx = int(i);\n vec4 v1 = cc_joints[idx * 3];\n vec4 v2 = cc_joints[idx * 3 + 1];\n vec4 v3 = cc_joints[idx * 3 + 2];\n return mat4(vec4(v1.xyz, 0.0), vec4(v2.xyz, 0.0), vec4(v3.xyz, 0.0), vec4(v1.w, v2.w, v3.w, 1.0));\n }\n #endif\n #endif\n mat4 skinMatrix () {\n vec4 joints = vec4(a_joints);\n return getJointMatrix(joints.x) * a_weights.x\n + getJointMatrix(joints.y) * a_weights.y\n + getJointMatrix(joints.z) * a_weights.z\n + getJointMatrix(joints.w) * a_weights.w;\n }\n void CCSkin (inout vec4 position) {\n mat4 m = skinMatrix();\n position = m * position;\n }\n void CCSkin (inout vec4 position, inout vec3 normal, inout vec4 tangent) {\n mat4 m = skinMatrix();\n position = m * position;\n normal = (m * vec4(normal, 0.0)).xyz;\n tangent.xyz = (m * vec4(tangent.xyz, 0.0)).xyz;\n }\n#endif\nvoid CCVertInput(inout vec4 In)\n{\n In = vec4(a_position, 1.0);\n #if CC_USE_MORPH\n applyMorph(In);\n #endif\n #if CC_USE_SKINNING\n CCSkin(In);\n #endif\n}\nuniform highp mat4 cc_matView;\n uniform highp mat4 cc_matProj;\n uniform highp vec4 cc_cameraPos;\n uniform mediump vec4 cc_mainLitDir;\n uniform mediump vec4 cc_nearFar;\n#if !USE_INSTANCING\n uniform highp mat4 cc_matWorld;\n uniform highp mat4 cc_matWorldIT;\n#endif\nvoid CCGetWorldMatrixFull(out mat4 matWorld, out mat4 matWorldIT)\n{\n #if USE_INSTANCING\n matWorld = mat4(\n vec4(a_matWorld0.xyz, 0.0),\n vec4(a_matWorld1.xyz, 0.0),\n vec4(a_matWorld2.xyz, 0.0),\n vec4(a_matWorld0.w, a_matWorld1.w, a_matWorld2.w, 1.0)\n );\n vec3 scale = 1.0 / vec3(length(a_matWorld0.xyz), length(a_matWorld1.xyz), length(a_matWorld2.xyz));\n vec3 scale2 = scale * scale;\n matWorldIT = mat4(\n vec4(a_matWorld0.xyz * scale2.x, 0.0),\n vec4(a_matWorld1.xyz * scale2.y, 0.0),\n vec4(a_matWorld2.xyz * scale2.z, 0.0),\n vec4(0.0, 0.0, 0.0, 1.0)\n );\n #else\n matWorld = cc_matWorld;\n matWorldIT = cc_matWorldIT;\n #endif\n}\nuniform mediump vec4 cc_shadowWHPBInfo;\n uniform mediump vec4 cc_planarNDInfo;\nvec4 CalculatePlanarShadowPos(vec3 meshWorldPos, vec3 cameraPos, vec3 lightDir, vec4 plane) {\n vec3 P = meshWorldPos;\n vec3 L = lightDir;\n vec3 N = plane.xyz;\n float d = plane.w + EPSILON_LOWP;\n float dist = (-d - dot(P, N)) / (dot(L, N) + EPSILON_LOWP);\n vec3 shadowPos = P + L * dist;\n return vec4(shadowPos, dist);\n}\nvec4 CalculatePlanarShadowClipPos(vec4 shadowPos, vec3 cameraPos, mat4 matView, mat4 matProj, vec4 nearFar, float bias) {\n vec4 camPos = matView * vec4(shadowPos.xyz, 1.0);\n float lerpCoef = saturate((nearFar.z < 0.0 ? -camPos.z : camPos.z) / (nearFar.y - nearFar.x));\n camPos.z += mix(nearFar.x * 0.01, nearFar.y * EPSILON_LOWP * bias, lerpCoef);\n return matProj * camPos;\n}\nvarying float v_dist;\nvec4 vert () {\n vec4 position;\n CCVertInput(position);\n mat4 matWorld, matWorldIT;\n CCGetWorldMatrixFull(matWorld, matWorldIT);\n vec3 worldPos = (matWorld * position).xyz;\n vec4 shadowPos = CalculatePlanarShadowPos(worldPos, cc_cameraPos.xyz, cc_mainLitDir.xyz, cc_planarNDInfo);\n position = CalculatePlanarShadowClipPos(shadowPos, cc_cameraPos.xyz, cc_matView, cc_matProj, cc_nearFar, cc_shadowWHPBInfo.w);\n v_dist = shadowPos.w;\n return position;\n}\nvoid main() { gl_Position = vert(); }", "frag": "\nprecision highp float;\nuniform lowp vec4 cc_shadowColor;\nvec4 CCFragOutput (vec4 color) {\n return color;\n}\nvarying float v_dist;\nvec4 frag () {\n if(v_dist < 0.0)\n discard;\n return CCFragOutput(cc_shadowColor);\n}\nvoid main() { gl_FragColor = frag(); }" }, "builtins": { "globals": { "blocks": [ { "name": "CCGlobal", "defines": [] }, { "name": "CCCamera", "defines": [] }, { "name": "CCShadow", "defines": [] } ], "samplerTextures": [], "buffers": [], "images": [] }, "locals": { "blocks": [ { "name": "CCMorph", "defines": [ "CC_USE_MORPH" ] }, { "name": "CCSkinningTexture", "defines": [ "CC_USE_SKINNING", "CC_USE_BAKED_ANIMATION" ] }, { "name": "CCSkinningAnimation", "defines": [ "CC_USE_SKINNING", "CC_USE_BAKED_ANIMATION" ] }, { "name": "CCSkinning", "defines": [ "CC_USE_SKINNING", "!CC_USE_BAKED_ANIMATION", "!CC_USE_REAL_TIME_JOINT_TEXTURE" ] }, { "name": "CCLocal", "defines": [ "!USE_INSTANCING" ] } ], "samplerTextures": [ { "name": "cc_PositionDisplacements", "defines": [ "CC_USE_MORPH", "CC_MORPH_TARGET_HAS_POSITION" ] }, { "name": "cc_NormalDisplacements", "defines": [ "CC_USE_MORPH", "CC_MORPH_TARGET_HAS_NORMAL" ] }, { "name": "cc_TangentDisplacements", "defines": [ "CC_USE_MORPH", "CC_MORPH_TARGET_HAS_TANGENT" ] }, { "name": "cc_jointTexture", "defines": [ "CC_USE_SKINNING", "CC_USE_BAKED_ANIMATION" ] }, { "name": "cc_realtimeJoint", "defines": [ "CC_USE_SKINNING", "!CC_USE_BAKED_ANIMATION", "CC_USE_REAL_TIME_JOINT_TEXTURE" ] } ], "buffers": [], "images": [] }, "statistics": { "CC_EFFECT_USED_VERTEX_UNIFORM_VECTORS": 90, "CC_EFFECT_USED_FRAGMENT_UNIFORM_VECTORS": 58 } }, "defines": [ { "name": "USE_INSTANCING", "type": "boolean", "defines": [], "editor": { "elevated": true } }, { "name": "CC_USE_SKINNING", "type": "boolean", "defines": [] }, { "name": "CC_USE_BAKED_ANIMATION", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_LIGHTMAP", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_REFLECTION_PROBE", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_RECEIVE_SHADOW", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_LIGHT_PROBE", "type": "boolean", "defines": [ "USE_INSTANCING" ] }, { "name": "CC_USE_MORPH", "type": "boolean", "defines": [] }, { "name": "CC_MORPH_TARGET_COUNT", "type": "number", "defines": [ "CC_USE_MORPH" ], "range": [ 2, 8 ] }, { "name": "CC_MORPH_TARGET_HAS_POSITION", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_MORPH_TARGET_HAS_NORMAL", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_MORPH_TARGET_HAS_TANGENT", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_MORPH_PRECOMPUTED", "type": "boolean", "defines": [ "CC_USE_MORPH" ] }, { "name": "CC_USE_REAL_TIME_JOINT_TEXTURE", "type": "boolean", "defines": [ "CC_USE_SKINNING", "!CC_USE_BAKED_ANIMATION" ] } ], "name": "builtin-unlit|planar-shadow-vs:vert|planar-shadow-fs:frag" } ], "combinations": [], "hideInEditor": false }