skia_safe/gpu/ganesh/mtl/
types.rs

1use std::{fmt, ptr};
2
3use skia_bindings::{self as sb, GrMtlSurfaceInfo, GrMtlTextureInfo};
4
5use crate::{
6    gpu,
7    prelude::{self, NativeAccess, NativeDrop, NativePartialEq},
8};
9
10pub use skia_bindings::GrMTLHandle as Handle;
11pub use skia_bindings::GrMTLPixelFormat as PixelFormat;
12pub use skia_bindings::GrMTLStorageMode as StorageMode;
13pub use skia_bindings::GrMTLTextureUsage as TextureUsage;
14
15pub type TextureInfo = prelude::Handle<GrMtlTextureInfo>;
16unsafe_send_sync!(TextureInfo);
17
18impl NativeDrop for GrMtlTextureInfo {
19    fn drop(&mut self) {
20        unsafe { sb::C_GrMtlTextureInfo_Destruct(self) }
21    }
22}
23
24impl NativePartialEq for GrMtlTextureInfo {
25    fn eq(&self, other: &Self) -> bool {
26        unsafe { sb::C_GrMtlTextureInfo_Equals(self, other) }
27    }
28}
29
30impl Default for TextureInfo {
31    fn default() -> Self {
32        unsafe { Self::new(ptr::null()) }
33    }
34}
35
36impl fmt::Debug for TextureInfo {
37    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
38        f.debug_struct("TextureInfo")
39            .field("texture", &self.texture())
40            .finish()
41    }
42}
43
44impl TextureInfo {
45    /// # Safety
46    ///
47    /// Unsafe because the texture provided must either be `null` or pointing to a Metal texture by
48    /// providing a raw pointer.
49    ///
50    /// This function retains the texture and releases it as soon TextureInfo is dropped.
51    pub unsafe fn new(texture: Handle) -> Self {
52        Self::construct(|ti| sb::C_GrMtlTextureInfo_Construct(ti, texture))
53    }
54
55    pub fn texture(&self) -> Handle {
56        self.native().fTexture.fObject
57    }
58}
59
60#[derive(Copy, Clone, PartialEq, Eq, Debug)]
61#[repr(C)]
62pub struct SurfaceInfo {
63    pub sample_count: u32,
64    pub level_count: u32,
65    pub protected: gpu::Protected,
66
67    pub format: PixelFormat,
68    pub usage: TextureUsage,
69    pub storage_mode: StorageMode,
70}
71
72native_transmutable!(GrMtlSurfaceInfo, SurfaceInfo, surface_info_layout);
73
74impl Default for SurfaceInfo {
75    fn default() -> Self {
76        Self {
77            sample_count: 1,
78            level_count: 0,
79            protected: gpu::Protected::No,
80            format: 0,
81            usage: 0,
82            storage_mode: 0,
83        }
84    }
85}
86
87#[cfg(test)]
88mod tests {
89    use super::TextureInfo;
90
91    #[test]
92    fn default_texture_info() {
93        drop(TextureInfo::default());
94    }
95}
skia_safe/gpu/ganesh/mtl/types.rs

skia_safe/gpu/ganesh/mtl/
types.rs
