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