/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ use canvas_traits::webgl::{TexFormat, WebGLVersion}; use dom_struct::dom_struct; use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions, constants as webgl}; use crate::dom::bindings::reflector::{DomGlobal, Reflector, reflect_dom_object}; use crate::dom::bindings::root::DomRoot; use crate::dom::webglrenderingcontext::WebGLRenderingContext; use crate::script_runtime::CanGc; #[dom_struct] pub(crate) struct OESTextureFloat { reflector_: Reflector, } impl OESTextureFloat { fn new_inherited() -> OESTextureFloat { Self { reflector_: Reflector::new(), } } } impl WebGLExtension for OESTextureFloat { type Extension = OESTextureFloat; fn new(ctx: &WebGLRenderingContext, can_gc: CanGc) -> DomRoot { reflect_dom_object( Box::new(OESTextureFloat::new_inherited()), &*ctx.global(), can_gc, ) } fn spec() -> WebGLExtensionSpec { WebGLExtensionSpec::Specific(WebGLVersion::WebGL1) } fn is_supported(ext: &WebGLExtensions) -> bool { ext.supports_any_gl_extension(&[ "GL_OES_texture_float", "GL_ARB_texture_float", "GL_EXT_color_buffer_float", ]) } fn enable(ext: &WebGLExtensions) { ext.enable_tex_type(webgl::FLOAT); ext.add_effective_tex_internal_format(TexFormat::RGBA, webgl::FLOAT, TexFormat::RGBA32f); ext.add_effective_tex_internal_format(TexFormat::RGB, webgl::FLOAT, TexFormat::RGB32f); ext.add_effective_tex_internal_format( TexFormat::Luminance, webgl::FLOAT, TexFormat::Luminance32f, ); ext.add_effective_tex_internal_format(TexFormat::Alpha, webgl::FLOAT, TexFormat::Alpha32f); ext.add_effective_tex_internal_format( TexFormat::LuminanceAlpha, webgl::FLOAT, TexFormat::LuminanceAlpha32f, ); } fn name() -> &'static str { "OES_texture_float" } }