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    #[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::{gl, BackendTexture, Mipmapped},
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(sb::C_GrBackendTextures_newGL(
58            width,
59            height,
60            mipmapped,
61            gl_info.native(),
62            str.as_ptr() as _,
63            str.len(),
64        ))
65        .unwrap()
66    }
67
68    pub fn get_gl_texture_info(texture: &BackendTexture) -> Option<gl::TextureInfo> {
69        let mut texture_info = gl::TextureInfo::default();
70        unsafe {
71            sb::C_GrBackendTextures_GetGLTextureInfo(texture.native(), texture_info.native_mut())
72        }
73        .then_some(texture_info)
74    }
75
76    pub fn gl_texture_parameters_modified(texture: &mut BackendTexture) {
77        unsafe { sb::C_GrBackendTextures_GLTextureParametersModified(texture.native_mut()) }
78    }
79}
80
81pub mod backend_render_targets {
82    use skia_bindings as sb;
83
84    use crate::{
85        gpu::{gl, BackendRenderTarget},
86        prelude::*,
87    };
88
89    pub fn make_gl(
90        (width, height): (i32, i32),
91        sample_count: impl Into<Option<usize>>,
92        stencil_bits: usize,
93        info: gl::FramebufferInfo,
94    ) -> BackendRenderTarget {
95        BackendRenderTarget::construct(|target| unsafe {
96            sb::C_GrBackendRenderTargets_ConstructGL(
97                target,
98                width,
99                height,
100                sample_count.into().unwrap_or(0).try_into().unwrap(),
101                stencil_bits.try_into().unwrap(),
102                info.native(),
103            )
104        })
105    }
106
107    pub fn get_gl_framebuffer_info(
108        render_target: &BackendRenderTarget,
109    ) -> Option<gl::FramebufferInfo> {
110        let mut info = gl::FramebufferInfo::default();
111        unsafe {
112            sb::C_GrBackendRenderTargets_GetGLFramebufferInfo(
113                render_target.native(),
114                info.native_mut(),
115            )
116        }
117        .then_some(info)
118    }
119}
skia_safe/gpu/ganesh/gl/backend_surface.rs

skia_safe/gpu/ganesh/gl/
backend_surface.rs
