skia_safe/gpu/ganesh/gl/
backend_surface.rs

1pub mod backend_formats {
2    use skia_bindings as sb;
3
4    use crate::{
5        gpu::{BackendFormat, gl},
6        prelude::*,
7    };
8
9    #[deprecated(
10        since = "0.92.0",
11        note = "Prefer make_gl_format(format) for GL_TEXTURE_2D targets and make_gn_external() for GL_TEXTURE_EXTERNAL targets."
12    )]
13    pub fn make_gl(format: gl::Enum, target: gl::Enum) -> BackendFormat {
14        BackendFormat::construct(|bf| unsafe {
15            sb::C_GrBackendFormats_ConstructGL(bf, format, target)
16        })
17        .assert_valid()
18    }
19
20    pub fn make_gl_format(format: gl::Enum) -> BackendFormat {
21        BackendFormat::construct(|bf| unsafe {
22            sb::C_GrBackendFormats_ConstructGLFormat(bf, format)
23        })
24        .assert_valid()
25    }
26
27    pub fn make_gl_external() -> BackendFormat {
28        BackendFormat::construct(|bf| unsafe { sb::C_GrBackendFormats_ConstructGLExternal(bf) })
29            .assert_valid()
30    }
31
32    pub fn as_gl_format(format: &BackendFormat) -> gl::Format {
33        unsafe { sb::C_GrBackendFormats_AsGLFormat(format.native()) }
34    }
35
36    pub fn as_gl_format_enum(format: &BackendFormat) -> gl::Enum {
37        unsafe { sb::C_GrBackendFormats_AsGLFormatEnum(format.native()) }
38    }
39}
40
41pub mod backend_textures {
42    use skia_bindings as sb;
43
44    use crate::{
45        gpu::{BackendTexture, Mipmapped, gl},
46        prelude::*,
47    };
48
49    #[allow(clippy::missing_safety_doc)]
50    pub unsafe fn make_gl(
51        (width, height): (i32, i32),
52        mipmapped: Mipmapped,
53        gl_info: gl::TextureInfo,
54        label: impl AsRef<str>,
55    ) -> BackendTexture {
56        let str = label.as_ref().as_bytes();
57        BackendTexture::from_ptr(unsafe {
58            sb::C_GrBackendTextures_newGL(
59                width,
60                height,
61                mipmapped,
62                gl_info.native(),
63                str.as_ptr() as _,
64                str.len(),
65            )
66        })
67        .unwrap()
68    }
69
70    pub fn get_gl_texture_info(texture: &BackendTexture) -> Option<gl::TextureInfo> {
71        let mut texture_info = gl::TextureInfo::default();
72        unsafe {
73            sb::C_GrBackendTextures_GetGLTextureInfo(texture.native(), texture_info.native_mut())
74        }
75        .then_some(texture_info)
76    }
77
78    pub fn gl_texture_parameters_modified(texture: &mut BackendTexture) {
79        unsafe { sb::C_GrBackendTextures_GLTextureParametersModified(texture.native_mut()) }
80    }
81}
82
83pub mod backend_render_targets {
84    use skia_bindings as sb;
85
86    use crate::{
87        gpu::{BackendRenderTarget, gl},
88        prelude::*,
89    };
90
91    pub fn make_gl(
92        (width, height): (i32, i32),
93        sample_count: impl Into<Option<usize>>,
94        stencil_bits: usize,
95        info: gl::FramebufferInfo,
96    ) -> BackendRenderTarget {
97        BackendRenderTarget::construct(|target| unsafe {
98            sb::C_GrBackendRenderTargets_ConstructGL(
99                target,
100                width,
101                height,
102                sample_count.into().unwrap_or(0).try_into().unwrap(),
103                stencil_bits.try_into().unwrap(),
104                info.native(),
105            )
106        })
107    }
108
109    pub fn get_gl_framebuffer_info(
110        render_target: &BackendRenderTarget,
111    ) -> Option<gl::FramebufferInfo> {
112        let mut info = gl::FramebufferInfo::default();
113        unsafe {
114            sb::C_GrBackendRenderTargets_GetGLFramebufferInfo(
115                render_target.native(),
116                info.native_mut(),
117            )
118        }
119        .then_some(info)
120    }
121}
skia_safe/gpu/ganesh/gl/backend_surface.rs

skia_safe/gpu/ganesh/gl/
backend_surface.rs
