1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88

use super::*;

impl Context {
    pub fn blend_func(&self, sfactor: Enum, dfactor: Enum) {
        unsafe {
            gl::BlendFunc(sfactor, dfactor);
        }
    }

    pub fn clear_color(
        &self,
        red: ClampedFloat,
        green: ClampedFloat,
        blue: ClampedFloat,
        alpha: ClampedFloat,
    ) {
        unsafe {
            gl::ClearColor(red, green, blue, alpha);
        }
    }

    pub fn clear_depth(&self, depth: ClampedFloat) {
        unsafe {
            gl::ClearDepth(depth.into());
        }
    }

    pub fn color_mask(&self, red: Bool, green: Bool, blue: Bool, alpha: Bool) {
        unsafe {
            gl::ColorMask(red, green, blue, alpha);
        }
    }

    pub fn cull_face(&self, mode: Enum) {
        unsafe {
            gl::CullFace(mode);
        }
    }

    pub fn depth_func(&self, func: Enum) {
        unsafe {
            gl::DepthFunc(func);
        }
    }

    pub fn depth_mask(&self, flag: Bool) {
        unsafe {
            gl::DepthMask(flag);
        }
    }

    pub fn disable(&self, cap: Enum) {
        unsafe {
            gl::Disable(cap);
        }
    }

    pub fn enable(&self, cap: Enum) {
        unsafe {
            gl::Enable(cap);
        }
    }

    pub fn get_error(&self) -> Enum {
        unsafe { gl::GetError() }
    }

    pub fn line_width(&self, width: Float) {
        unsafe {
            gl::LineWidth(width);
        }
    }

    pub fn get_version_string(&self) -> String {
        unsafe {
            std::ffi::CStr::from_ptr(gl::GetString(gl::VERSION) as _)
                .to_str()
                .unwrap()
                .to_owned()
        }
    }

    pub fn pixel_store(&self, pname: Enum, param: Int) {
        unsafe {
            gl::PixelStorei(pname, param);
        }
    }
}