зеркало из https://github.com/stride3d/xkslang.git
77 строки
1.5 KiB
GLSL
77 строки
1.5 KiB
GLSL
#version 100
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int f(int a, int b, int c)
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{
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int a = b; // ERROR, redefinition
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{
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float a = float(a) + 1.0;
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}
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return a;
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}
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int f(int a, int b, int c); // okay to redeclare
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bool b;
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float b(int a); // ERROR: redefinition
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float c(int a);
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bool c; // ERROR: redefinition
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float f; // ERROR: redefinition
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float tan; // okay, built-in is in an outer scope
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float sin(float x); // ERROR: can't redefine built-in functions
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float cos(float x) // ERROR: can't redefine built-in functions
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{
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return 1.0;
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}
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bool radians(bool x) // okay, can overload built-in functions
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{
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return true;
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}
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invariant gl_Position;
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void main()
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{
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int g(); // ERROR: no local function declarations
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g();
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float sin; // okay
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sin;
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sin(0.7); // ERROR, use of hidden function
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f(1,2,3);
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float f; // hides f()
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f = 3.0;
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gl_Position = vec4(f);
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for (int f = 0; f < 10; ++f)
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++f;
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int x = 1;
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{
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float x = 2.0, /* 2nd x visible here */ y = x; // y is initialized to 2
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int z = z; // ERROR: z not previously defined.
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}
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{
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int x = x; // x is initialized to '1'
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}
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struct S
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{
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int x;
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};
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{
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S S = S(0); // 'S' is only visible as a struct and constructor
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S.x; // 'S' is now visible as a variable
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}
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int degrees;
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degrees(3.2); // ERROR, use of hidden built-in function
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}
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varying struct SSS { float f; } s; // ERROR
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