ptr.pet
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1const std = @import("std");
2const c = @import("c.zig").c;
3const glad = @import("glad.zig");
4
5pub const Error = error{
6 InvalidEnum,
7 InvalidValue,
8 InvalidOperation,
9 InvalidFramebufferOperation,
10 OutOfMemory,
11
12 Unknown,
13};
14
15/// getError returns the error (if any) from the last OpenGL operation.
16pub fn getError() Error!void {
17 return switch (glad.context.GetError.?()) {
18 c.GL_NO_ERROR => {},
19 c.GL_INVALID_ENUM => Error.InvalidEnum,
20 c.GL_INVALID_VALUE => Error.InvalidValue,
21 c.GL_INVALID_OPERATION => Error.InvalidOperation,
22 c.GL_INVALID_FRAMEBUFFER_OPERATION => Error.InvalidFramebufferOperation,
23 c.GL_OUT_OF_MEMORY => Error.OutOfMemory,
24 else => Error.Unknown,
25 };
26}
27
28/// mustError just calls getError but always results in an error being returned.
29/// If getError has no error, then Unknown is returned.
30pub fn mustError() Error!void {
31 try getError();
32 return Error.Unknown;
33}