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Differential D15007 Diff 51719 source/blender/draw/intern/shaders/common_math_lib.glsl

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source/blender/draw/intern/shaders/common_math_lib.glsl

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* (see T87369, T87541) */ * (see T87369, T87541) */
float pow6(float x) { return sqr(sqr(x) * x); } float pow6(float x) { return sqr(sqr(x) * x); }
float pow8(float x) { return sqr(sqr(sqr(x))); } float pow8(float x) { return sqr(sqr(sqr(x))); }
float len_squared(vec3 a) { return dot(a, a); } float len_squared(vec3 a) { return dot(a, a); }
float len_squared(vec2 a) { return dot(a, a); } float len_squared(vec2 a) { return dot(a, a); }
bool flag_test(uint flag, uint val) { return (flag & val) != 0u; } bool flag_test(uint flag, uint val) { return (flag & val) != 0u; }
bool flag_test(int flag, uint val) { return flag_test(uint(flag), val); }
bool flag_test(int flag, int val) { return (flag & val) != 0; } bool flag_test(int flag, int val) { return (flag & val) != 0; }
void set_flag_from_test(inout uint value, bool test, uint flag) { if (test) { value |= flag; } else { value &= ~flag; } } void set_flag_from_test(inout uint value, bool test, uint flag) { if (test) { value |= flag; } else { value &= ~flag; } }
void set_flag_from_test(inout int value, bool test, int flag) { if (test) { value |= flag; } else { value &= ~flag; } } void set_flag_from_test(inout int value, bool test, int flag) { if (test) { value |= flag; } else { value &= ~flag; } }
#define weighted_sum(val0, val1, val2, val3, weights) ((val0 * weights[0] + val1 * weights[1] + val2 * weights[2] + val3 * weights[3]) * safe_rcp(sum(weights))); #define weighted_sum(val0, val1, val2, val3, weights) ((val0 * weights[0] + val1 * weights[1] + val2 * weights[2] + val3 * weights[3]) * safe_rcp(sum(weights)));
#define weighted_sum_array(val, weights) ((val[0] * weights[0] + val[1] * weights[1] + val[2] * weights[2] + val[3] * weights[3]) * safe_rcp(sum(weights))); #define weighted_sum_array(val, weights) ((val[0] * weights[0] + val[1] * weights[1] + val[2] * weights[2] + val[3] * weights[3]) * safe_rcp(sum(weights)));
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