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39 lines
1.2 KiB
39 lines
1.2 KiB
// GLSL ES 1.0 does not allow *any* operators other than subscripting to be used with arrays,
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// or with structs containing arrays. SkSL (and later versions of GLSL) allow assignment and
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// equality for those types. This file tests operators that would be legal, but should be flagged
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// as errors. A related consequence (also tested here) is that functions can not return arrays,
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// or structs containing arrays.
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// Expect 17 errors
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struct S { int x[1]; }; // For "simple" case
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struct T { S s; }; // For trickier, nested case
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S s1, s2;
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T t1, t2;
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int a1[1]; int a2[1];
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void assign_A() { a1 = a2; }
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void assign_S() { s1 = s2; }
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void assign_T() { t1 = t2; }
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// Note: No way to even write return_A()
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S return_S() { return s1; }
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T return_T() { return t1; }
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bool equals_A() { return a1 == a2; }
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bool equals_S() { return s1 == s2; }
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bool equals_T() { return t1 == t2; }
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bool notequals_A() { return a1 != a2; }
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bool notequals_S() { return s1 != s2; }
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bool notequals_T() { return t1 != t2; }
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void sequence_A() { a1, a2; }
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void sequence_S() { s1, s2; }
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void sequence_T() { t1, t2; }
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int ternary_A(bool b) { return (b ? a1 : a2) [0]; }
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int ternary_S(bool b) { return (b ? s1 : s2) .x[0]; }
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int ternary_T(bool b) { return (b ? t1 : t2).s.x[0]; }
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