skia_safe/gpu/ganesh/gl/
backend_surface.rs

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

skia_safe/gpu/ganesh/gl/
backend_surface.rs
