88 lines
1.7 KiB
GLSL
88 lines
1.7 KiB
GLSL
#version 110
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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; // okay
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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); // okay, b and b() are different
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float c(int a);
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bool c; // okay, and c() are different
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float f; // okay f and f() are different
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float tan; // okay, hides built-in function
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float sin(float x); // okay, can redefine built-in functions
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float cos(float x) // okay, can 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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int gi = f(1,2,3); // ERROR, can't call user-defined function from global scope
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void main()
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{
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int g(); // okay
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g();
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float sin; // okay
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sin;
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sin(0.7); // okay
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f(1,2,3);
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float 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);
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{
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S s;
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s.x = 3;
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struct S { // okay, hides S
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bool b;
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};
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S t;
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t.b = true;
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struct S { // ERROR, redefinition of struct S
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float f;
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};
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}
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}
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