script/dom/webgl/extensions/ext/
oestexturefloat.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use canvas_traits::webgl::{TexFormat, WebGLVersion};
6use dom_struct::dom_struct;
7
8use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions, constants as webgl};
9use crate::dom::bindings::reflector::{DomGlobal, Reflector, reflect_dom_object};
10use crate::dom::bindings::root::DomRoot;
11use crate::dom::webgl::webglrenderingcontext::WebGLRenderingContext;
12use crate::script_runtime::CanGc;
13
14#[dom_struct]
15pub(crate) struct OESTextureFloat {
16    reflector_: Reflector,
17}
18
19impl OESTextureFloat {
20    fn new_inherited() -> OESTextureFloat {
21        Self {
22            reflector_: Reflector::new(),
23        }
24    }
25}
26
27impl WebGLExtension for OESTextureFloat {
28    type Extension = OESTextureFloat;
29    fn new(ctx: &WebGLRenderingContext, can_gc: CanGc) -> DomRoot<OESTextureFloat> {
30        reflect_dom_object(
31            Box::new(OESTextureFloat::new_inherited()),
32            &*ctx.global(),
33            can_gc,
34        )
35    }
36
37    fn spec() -> WebGLExtensionSpec {
38        WebGLExtensionSpec::Specific(WebGLVersion::WebGL1)
39    }
40
41    fn is_supported(ext: &WebGLExtensions) -> bool {
42        ext.supports_any_gl_extension(&[
43            "GL_OES_texture_float",
44            "GL_ARB_texture_float",
45            "GL_EXT_color_buffer_float",
46        ])
47    }
48
49    fn enable(ext: &WebGLExtensions) {
50        ext.enable_tex_type(webgl::FLOAT);
51        ext.add_effective_tex_internal_format(TexFormat::RGBA, webgl::FLOAT, TexFormat::RGBA32f);
52        ext.add_effective_tex_internal_format(TexFormat::RGB, webgl::FLOAT, TexFormat::RGB32f);
53        ext.add_effective_tex_internal_format(
54            TexFormat::Luminance,
55            webgl::FLOAT,
56            TexFormat::Luminance32f,
57        );
58        ext.add_effective_tex_internal_format(TexFormat::Alpha, webgl::FLOAT, TexFormat::Alpha32f);
59        ext.add_effective_tex_internal_format(
60            TexFormat::LuminanceAlpha,
61            webgl::FLOAT,
62            TexFormat::LuminanceAlpha32f,
63        );
64    }
65
66    fn name() -> &'static str {
67        "OES_texture_float"
68    }
69}
script/dom/webgl/extensions/ext/oestexturefloat.rs

script/dom/webgl/extensions/ext/
oestexturefloat.rs
