John Kessenich | fbe0152 | 2013-06-12 06:13:17 +0000 | [diff] [blame] | 1 | #version 300 es |
| 2 | |
| 3 | int f(int a, int b, int c) |
| 4 | { |
| 5 | int a = b; // ERROR, redefinition |
| 6 | |
| 7 | { |
| 8 | float a = float(a) + 1.0; |
| 9 | } |
| 10 | |
| 11 | return a; |
| 12 | } |
| 13 | |
| 14 | int f(int a, int b, int c); // okay to redeclare |
| 15 | |
| 16 | bool b; |
| 17 | float b(int a); // ERROR: redefinition |
| 18 | |
| 19 | float f; // ERROR: redefinition |
| 20 | float tan; // ERROR: redefines built-in function |
John Kessenich | a4351c5 | 2013-11-11 04:21:31 +0000 | [diff] [blame] | 21 | float sin(float x); // ERROR: can't redefine built-in functions |
| 22 | float cos(float x) // ERROR: can't redefine built-in functions |
John Kessenich | fbe0152 | 2013-06-12 06:13:17 +0000 | [diff] [blame] | 23 | { |
| 24 | return 1.0; |
| 25 | } |
John Kessenich | a4351c5 | 2013-11-11 04:21:31 +0000 | [diff] [blame] | 26 | bool radians(bool x) // ERROR: can't overload built-in functions |
| 27 | { |
| 28 | return true; |
| 29 | } |
John Kessenich | fbe0152 | 2013-06-12 06:13:17 +0000 | [diff] [blame] | 30 | |
| 31 | invariant gl_Position; |
| 32 | |
| 33 | void main() |
| 34 | { |
| 35 | int g(); // ERROR: no local function declarations |
| 36 | g(); |
| 37 | |
| 38 | float sin; // okay |
| 39 | sin; |
| 40 | |
| 41 | f(1,2,3); |
| 42 | |
| 43 | float f; // hides f() |
| 44 | f = 3.0; |
| 45 | |
| 46 | gl_Position = vec4(f); |
| 47 | |
| 48 | for (int f = 0; f < 10; ++f) |
| 49 | ++f; |
| 50 | |
| 51 | int x = 1; |
| 52 | { |
| 53 | float x = 2.0, /* 2nd x visible here */ y = x; // y is initialized to 2 |
| 54 | int z = z; // ERROR: z not previously defined. |
| 55 | } |
| 56 | { |
| 57 | int x = x; // x is initialized to '1' |
| 58 | } |
| 59 | |
| 60 | struct S |
| 61 | { |
| 62 | int x; |
| 63 | }; |
| 64 | { |
| 65 | S S = S(0); // 'S' is only visible as a struct and constructor |
| 66 | S.x; // 'S' is now visible as a variable |
| 67 | } |
| 68 | } |