| 1 | let GL_TABLE = null;
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| 2 | const GL_TO_GLSL_TYPES = {
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| 3 | FLOAT: "float",
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| 4 | FLOAT_VEC2: "vec2",
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| 5 | FLOAT_VEC3: "vec3",
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| 6 | FLOAT_VEC4: "vec4",
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| 7 | INT: "int",
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| 8 | INT_VEC2: "ivec2",
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| 9 | INT_VEC3: "ivec3",
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| 10 | INT_VEC4: "ivec4",
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| 11 | UNSIGNED_INT: "uint",
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| 12 | UNSIGNED_INT_VEC2: "uvec2",
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| 13 | UNSIGNED_INT_VEC3: "uvec3",
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| 14 | UNSIGNED_INT_VEC4: "uvec4",
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| 15 | BOOL: "bool",
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| 16 | BOOL_VEC2: "bvec2",
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| 17 | BOOL_VEC3: "bvec3",
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| 18 | BOOL_VEC4: "bvec4",
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| 19 | FLOAT_MAT2: "mat2",
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| 20 | FLOAT_MAT3: "mat3",
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| 21 | FLOAT_MAT4: "mat4",
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| 22 | SAMPLER_2D: "sampler2D",
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| 23 | INT_SAMPLER_2D: "sampler2D",
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| 24 | UNSIGNED_INT_SAMPLER_2D: "sampler2D",
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| 25 | SAMPLER_CUBE: "samplerCube",
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| 26 | INT_SAMPLER_CUBE: "samplerCube",
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| 27 | UNSIGNED_INT_SAMPLER_CUBE: "samplerCube",
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| 28 | SAMPLER_2D_ARRAY: "sampler2DArray",
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| 29 | INT_SAMPLER_2D_ARRAY: "sampler2DArray",
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| 30 | UNSIGNED_INT_SAMPLER_2D_ARRAY: "sampler2DArray"
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| 31 | };
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| 32 | function mapType(gl, type) {
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| 33 | if (!GL_TABLE) {
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| 34 | const typeNames = Object.keys(GL_TO_GLSL_TYPES);
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| 35 | GL_TABLE = {};
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| 36 | for (let i = 0; i < typeNames.length; ++i) {
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| 37 | const tn = typeNames[i];
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| 38 | GL_TABLE[gl[tn]] = GL_TO_GLSL_TYPES[tn];
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| 39 | }
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| 40 | }
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| 41 | return GL_TABLE[type];
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| 42 | }
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| 43 |
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| 44 | export { mapType };
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| 45 |
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