metal 0.13.1

Rust bindings for Metal
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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123

// Copyright 2016 GFX developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.

use super::*;

use objc_foundation::{NSString, INSString};
use block::Block;

#[repr(u32)]
#[allow(non_camel_case_types)]
pub enum MTLCommandBufferStatus {
    NotEnqueued = 0,
    Enqueued = 1,
    Committed = 2,
    Scheduled = 3,
    Completed = 4,
    Error = 5,
}

#[repr(u32)]
#[allow(non_camel_case_types)]
pub enum MTLCommandBufferError {
    None = 0,
    Internal = 1,
    Timeout = 2,
    PageFault = 3,
    Blacklisted = 4,
    NotPermitted = 7,
    OutOfMemory = 8,
    InvalidResource = 9,
    Memoryless = 10,
    DeviceRemoved = 11,
}

type _MTLCommandBufferHandler = Block<(MTLCommandBuffer), ()>;

pub enum MTLCommandBuffer {}

foreign_obj_type! {
    type CType = MTLCommandBuffer;
    pub struct CommandBuffer;
    pub struct CommandBufferRef;
}

impl CommandBufferRef {
    pub fn label(&self) -> &str {
        unsafe {
            let label: &NSString = msg_send![self, label];
            label.as_str()
        }
    }

    pub fn set_label(&self, label: &str) {
        unsafe {
            let nslabel = NSString::from_str(label);
            msg_send![self, setLabel:nslabel];
        }
    }

    pub fn enqueue(&self) {
        unsafe {
            msg_send![self, enqueue]
        }
    }

    pub fn commit(&self) {
        unsafe {
            msg_send![self, commit]
        }
    }

    pub fn status(&self) -> MTLCommandBufferStatus {
        unsafe {
            msg_send![self, status]
        }
    }

    pub fn present_drawable(&self, drawable: &DrawableRef) {
        unsafe {
            msg_send![self, presentDrawable:drawable]
        }
    }

    pub fn wait_until_completed(&self) {
        unsafe {
            msg_send![self, waitUntilCompleted]
        }
    }

    pub fn wait_until_scheduled(&self) {
        unsafe {
            msg_send![self, waitUntilScheduled]
        }
    }

    pub fn new_blit_command_encoder(&self) -> &BlitCommandEncoderRef {
        unsafe {
            msg_send![self, blitCommandEncoder]
        }
    }

    pub fn new_compute_command_encoder(&self) -> &ComputeCommandEncoderRef {
        unsafe {
            msg_send![self, computeCommandEncoder]
        }
    }

    pub fn new_render_command_encoder(&self, descriptor: &RenderPassDescriptorRef) -> &RenderCommandEncoderRef {
        unsafe {
            msg_send![self, renderCommandEncoderWithDescriptor:descriptor]
        }
    }

    pub fn new_parallel_render_command_encoder(&self, descriptor: &RenderPassDescriptorRef) -> &ParallelRenderCommandEncoderRef {
        unsafe {
            msg_send![self, parallelRenderCommandEncoderWithDescriptor:descriptor]
        }
    }
}