1pub mod backend_formats {
2 use skia_bindings as sb;
3
4 use crate::{
5 gpu::{mtl, BackendFormat},
6 prelude::*,
7 };
8
9 pub fn make_mtl(format: mtl::PixelFormat) -> BackendFormat {
10 BackendFormatHandle::construct(|bf: *mut GrBackendFormat| unsafe { sb::C_GrBackendFormats_ConstructMtl(bf, format) })
11 .assert_valid()
12 }
13
14 pub fn as_mtl_format(backend_format: &BackendFormat) -> Option<mtl::PixelFormat> {
15 let pixel_format = unsafe { sb::C_GrBackendFormats_AsMtlFormat(backend_format.native()) };
16 // Mtl's PixelFormat == 0 is invalid.
17 (pixel_format != 0).if_true_some(pixel_format)
18 }
19}
20
21pub mod backend_textures {
22 use skia_bindings as sb;
23
24 use crate::{
25 gpu::{self, mtl, BackendTexture},
26 prelude::*,
27 };
28
29 #[allow(clippy::missing_safety_doc)]
30 pub unsafe fn make_mtl(
31 (width, height): (i32, i32),
32 mipmapped: gpu::Mipmapped,
33 mtl_info: &mtl::TextureInfo,
34 label: impl AsRef<str>,
35 ) -> BackendTexture {
36 let label = label.as_ref().as_bytes();
37 BackendTexture::from_native_if_valid(sb::C_GrBackendTextures_newMtl(
38 width,
39 height,
40 mipmapped,
41 mtl_info.native(),
42 label.as_ptr() as _,
43 label.len(),
44 ))
45 .unwrap()
46 }
47
48 pub fn get_mtl_texture_info(texture: &BackendTexture) -> Option<mtl::TextureInfo> {
49 unsafe {
50 let mut texture_info = mtl::TextureInfo::default();
51 sb::C_GrBackendTextures_GetMtlTextureInfo(texture.native(), texture_info.native_mut())
52 .if_true_some(texture_info)
53 }
54 }
55}
56
57pub mod backend_render_targets {
58 use skia_bindings as sb;
59
60 use crate::{
61 gpu::{mtl, BackendRenderTarget},
62 prelude::*,
63 };
64
65 pub fn make_mtl(
66 (width, height): (i32, i32),
67 mtl_info: &mtl::TextureInfo,
68 ) -> BackendRenderTarget {
69 BackendRenderTarget::construct(|target| unsafe {
70 sb::C_GrBackendRenderTargets_ConstructMtl(target, width, height, mtl_info.native())
71 })
72 }
73
74 pub fn get_mtl_texture_info(render_target: &BackendRenderTarget) -> Option<mtl::TextureInfo> {
75 let mut info = mtl::TextureInfo::default();
76 unsafe {
77 sb::C_GrBackendRenderTargets_GetMtlTextureInfo(
78 render_target.native(),
79 info.native_mut(),
80 )
81 }
82 .if_true_some(info)
83 }
84}
85