glslang/Test/110scope.vert
2018-08-07 03:16:20 +09:00

88 lines
1.7 KiB
GLSL

#version 110
int f(int a, int b, int c)
{
int a = b; // ERROR, redefinition
{
float a = float(a) + 1.0; // okay
}
return a;
}
int f(int a, int b, int c); // okay to redeclare
bool b;
float b(int a); // okay, b and b() are different
float c(int a);
bool c; // okay, and c() are different
float f; // okay f and f() are different
float tan; // okay, hides built-in function
float sin(float x); // okay, can redefine built-in functions
float cos(float x) // okay, can redefine built-in functions
{
return 1.0;
}
bool radians(bool x) // okay, can overload built-in functions
{
return true;
}
int gi = f(1,2,3); // ERROR, can't call user-defined function from global scope
void main()
{
int g(); // okay
g();
float sin; // okay
sin;
sin(0.7); // okay
f(1,2,3);
float 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);
{
S s;
s.x = 3;
struct S { // okay, hides S
bool b;
};
S t;
t.b = true;
struct S { // ERROR, redefinition of struct S
float f;
};
}
}