molstar
Version:
A comprehensive macromolecular library.
5 lines • 8.23 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.common = void 0;
exports.common = "\n// TODO find a better place for these convenience defines\n\n#if defined(dRenderVariant_colorBlended) || defined(dRenderVariant_colorWboit)\n #define dRenderVariant_color\n#endif\n\n#if defined(dRenderVariant_pickObject) || defined(dRenderVariant_pickInstance) || defined(dRenderVariant_pickGroup)\n #define dRenderVariant_pick\n#endif\n\n#if defined(dRenderVariant_markingDepth) || defined(dRenderVariant_markingMask)\n #define dRenderVariant_marking\n#endif\n\n#if defined(dColorType_instance) || defined(dColorType_group) || defined(dColorType_groupInstance) || defined(dColorType_vertex) || defined(dColorType_vertexInstance)\n #define dColorType_texture\n#endif\n\n#if defined(dColorType_volume) || defined(dColorType_volumeInstance)\n #define dColorType_grid\n#endif\n\n#if defined(dColorType_attribute) || defined(dColorType_texture) || defined(dColorType_grid)\n #define dColorType_varying\n#endif\n\n//\n\n#define PI 3.14159265\n#define RECIPROCAL_PI 0.31830988618\n#define EPSILON 1e-6\n\n#define saturate(a) clamp(a, 0.0, 1.0)\n\nfloat intDiv(const in float a, const in float b) { return float(int(a) / int(b)); }\nvec2 ivec2Div(const in vec2 a, const in vec2 b) { return vec2(ivec2(a) / ivec2(b)); }\nfloat intMod(const in float a, const in float b) { return a - b * float(int(a) / int(b)); }\nint imod(const in int a, const in int b) { return a - b * (a / b); }\n\nfloat pow2(const in float x) { return x * x; }\n\nconst float maxFloat = 10000.0; // NOTE constant also set in TypeScript\nconst float floatLogFactor = 9.210440366976517; // log(maxFloat + 1.0);\nfloat encodeFloatLog(const in float value) { return log(value + 1.0) / floatLogFactor; }\nfloat decodeFloatLog(const in float value) { return exp(value * floatLogFactor) - 1.0; }\n\nvec3 encodeFloatRGB(in float value) {\n value = clamp(value, 0.0, 16777216.0 - 1.0) + 1.0;\n vec3 c = vec3(0.0);\n c.b = mod(value, 256.0);\n value = floor(value / 256.0);\n c.g = mod(value, 256.0);\n value = floor(value / 256.0);\n c.r = mod(value, 256.0);\n return c / 255.0;\n}\nfloat decodeFloatRGB(const in vec3 rgb) {\n return (rgb.r * 256.0 * 256.0 * 255.0 + rgb.g * 256.0 * 255.0 + rgb.b * 255.0) - 1.0;\n}\n\nvec2 packUnitIntervalToRG(const in float v) {\n vec2 enc;\n enc.xy = vec2(fract(v * 256.0), v);\n enc.y -= enc.x * (1.0 / 256.0);\n enc.xy *= 256.0 / 255.0;\n\n return enc;\n}\n\nfloat unpackRGToUnitInterval(const in vec2 enc) {\n return dot(enc, vec2(255.0 / (256.0 * 256.0), 255.0 / 256.0));\n}\n\nvec3 screenSpaceToViewSpace(const in vec3 ssPos, const in mat4 invProjection) {\n vec4 p = vec4(ssPos * 2.0 - 1.0, 1.0);\n p = invProjection * p;\n return p.xyz / p.w;\n}\n\nconst float PackUpscale = 256.0 / 255.0; // fraction -> 0..1 (including 1)\nconst float UnpackDownscale = 255.0 / 256.0; // 0..1 -> fraction (excluding 1)\nconst vec3 PackFactors = vec3(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0);\nconst vec4 UnpackFactors = UnpackDownscale / vec4(PackFactors, 1.0);\nconst float ShiftRight8 = 1.0 / 256.0;\n\nvec4 packDepthToRGBA(const in float v) {\n vec4 r = vec4(fract(v * PackFactors), v);\n r.yzw -= r.xyz * ShiftRight8; // tidy overflow\n return r * PackUpscale;\n}\nfloat unpackRGBAToDepth(const in vec4 v) {\n return dot(v, UnpackFactors);\n}\n\nvec4 sRGBToLinear(const in vec4 c) {\n return vec4(mix(pow(c.rgb * 0.9478672986 + vec3(0.0521327014), vec3(2.4)), c.rgb * 0.0773993808, vec3(lessThanEqual(c.rgb, vec3(0.04045)))), c.a);\n}\nvec4 linearTosRGB(const in vec4 c) {\n return vec4(mix(pow(c.rgb, vec3(0.41666)) * 1.055 - vec3(0.055), c.rgb * 12.92, vec3(lessThanEqual(c.rgb, vec3(0.0031308)))), c.a);\n}\n\nfloat linearizeDepth(const in float depth, const in float near, const in float far) {\n return (2.0 * near) / (far + near - depth * (far - near));\n}\n\nfloat perspectiveDepthToViewZ(const in float invClipZ, const in float near, const in float far) {\n return (near * far) / ((far - near) * invClipZ - far);\n}\n\nfloat orthographicDepthToViewZ(const in float linearClipZ, const in float near, const in float far) {\n return linearClipZ * (near - far) - near;\n}\n\nfloat depthToViewZ(const in float isOrtho, const in float linearClipZ, const in float near, const in float far) {\n return isOrtho == 1.0 ? orthographicDepthToViewZ(linearClipZ, near, far) : perspectiveDepthToViewZ(linearClipZ, near, far);\n}\n\n#if __VERSION__ == 100\n // transpose\n\n float transpose(const in float m) {\n return m;\n }\n\n mat2 transpose2(const in mat2 m) {\n return mat2(\n m[0][0], m[1][0],\n m[0][1], m[1][1]\n );\n }\n\n mat3 transpose3(const in mat3 m) {\n return mat3(\n m[0][0], m[1][0], m[2][0],\n m[0][1], m[1][1], m[2][1],\n m[0][2], m[1][2], m[2][2]\n );\n }\n\n mat4 transpose4(const in mat4 m) {\n return mat4(\n m[0][0], m[1][0], m[2][0], m[3][0],\n m[0][1], m[1][1], m[2][1], m[3][1],\n m[0][2], m[1][2], m[2][2], m[3][2],\n m[0][3], m[1][3], m[2][3], m[3][3]\n );\n }\n\n // inverse\n\n float inverse(const in float m) {\n return 1.0 / m;\n }\n\n mat2 inverse2(const in mat2 m) {\n return mat2(m[1][1],-m[0][1],\n -m[1][0], m[0][0]) / (m[0][0]*m[1][1] - m[0][1]*m[1][0]);\n }\n\n mat3 inverse3(const in mat3 m) {\n float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2];\n float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2];\n float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2];\n\n float b01 = a22 * a11 - a12 * a21;\n float b11 = -a22 * a10 + a12 * a20;\n float b21 = a21 * a10 - a11 * a20;\n\n float det = a00 * b01 + a01 * b11 + a02 * b21;\n\n return mat3(b01, (-a22 * a01 + a02 * a21), (a12 * a01 - a02 * a11),\n b11, (a22 * a00 - a02 * a20), (-a12 * a00 + a02 * a10),\n b21, (-a21 * a00 + a01 * a20), (a11 * a00 - a01 * a10)) / det;\n }\n\n mat4 inverse4(const in mat4 m) {\n float\n a00 = m[0][0], a01 = m[0][1], a02 = m[0][2], a03 = m[0][3],\n a10 = m[1][0], a11 = m[1][1], a12 = m[1][2], a13 = m[1][3],\n a20 = m[2][0], a21 = m[2][1], a22 = m[2][2], a23 = m[2][3],\n a30 = m[3][0], a31 = m[3][1], a32 = m[3][2], a33 = m[3][3],\n\n b00 = a00 * a11 - a01 * a10,\n b01 = a00 * a12 - a02 * a10,\n b02 = a00 * a13 - a03 * a10,\n b03 = a01 * a12 - a02 * a11,\n b04 = a01 * a13 - a03 * a11,\n b05 = a02 * a13 - a03 * a12,\n b06 = a20 * a31 - a21 * a30,\n b07 = a20 * a32 - a22 * a30,\n b08 = a20 * a33 - a23 * a30,\n b09 = a21 * a32 - a22 * a31,\n b10 = a21 * a33 - a23 * a31,\n b11 = a22 * a33 - a23 * a32,\n\n det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n return mat4(\n a11 * b11 - a12 * b10 + a13 * b09,\n a02 * b10 - a01 * b11 - a03 * b09,\n a31 * b05 - a32 * b04 + a33 * b03,\n a22 * b04 - a21 * b05 - a23 * b03,\n a12 * b08 - a10 * b11 - a13 * b07,\n a00 * b11 - a02 * b08 + a03 * b07,\n a32 * b02 - a30 * b05 - a33 * b01,\n a20 * b05 - a22 * b02 + a23 * b01,\n a10 * b10 - a11 * b08 + a13 * b06,\n a01 * b08 - a00 * b10 - a03 * b06,\n a30 * b04 - a31 * b02 + a33 * b00,\n a21 * b02 - a20 * b04 - a23 * b00,\n a11 * b07 - a10 * b09 - a12 * b06,\n a00 * b09 - a01 * b07 + a02 * b06,\n a31 * b01 - a30 * b03 - a32 * b00,\n a20 * b03 - a21 * b01 + a22 * b00) / det;\n }\n#else\n #define transpose2(m) transpose(m)\n #define transpose3(m) transpose(m)\n #define transpose4(m) transpose(m)\n\n #define inverse2(m) inverse(m)\n #define inverse3(m) inverse(m)\n #define inverse4(m) inverse(m)\n#endif\n";
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