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Implement OES_element_index_uint (fixes #20384)
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commit
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6 changed files with 127 additions and 5 deletions
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@ -5,6 +5,7 @@
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use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
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use super::{ext_constants, WebGLExtension, WebGLExtensions, WebGLExtensionSpec};
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pub mod oeselementindexuint;
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pub mod oesstandardderivatives;
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pub mod oestexturefloat;
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pub mod oestexturefloatlinear;
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@ -0,0 +1,50 @@
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use canvas_traits::webgl::WebGLVersion;
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use dom::bindings::codegen::Bindings::OESElementIndexUintBinding;
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use dom::bindings::reflector::{DomObject, Reflector, reflect_dom_object};
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use dom::bindings::root::DomRoot;
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use dom::webglrenderingcontext::WebGLRenderingContext;
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use dom_struct::dom_struct;
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use super::{WebGLExtension, WebGLExtensions, WebGLExtensionSpec};
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#[dom_struct]
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pub struct OESElementIndexUint {
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reflector_: Reflector,
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}
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impl OESElementIndexUint {
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fn new_inherited() -> Self {
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Self { reflector_: Reflector::new() }
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}
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}
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impl WebGLExtension for OESElementIndexUint {
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type Extension = Self;
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fn new(ctx: &WebGLRenderingContext) -> DomRoot<Self> {
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reflect_dom_object(
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Box::new(OESElementIndexUint::new_inherited()),
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&*ctx.global(),
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OESElementIndexUintBinding::Wrap,
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)
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}
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fn spec() -> WebGLExtensionSpec {
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WebGLExtensionSpec::Specific(WebGLVersion::WebGL1)
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}
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fn is_supported(ext: &WebGLExtensions) -> bool {
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ext.supports_gl_extension("GL_OES_element_index_uint")
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}
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fn enable(ext: &WebGLExtensions) {
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ext.enable_element_index_uint();
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}
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fn name() -> &'static str {
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"OES_element_index_uint"
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}
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}
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@ -57,17 +57,20 @@ struct WebGLExtensionFeatures {
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hint_targets: FnvHashSet<GLenum>,
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/// WebGL GetParameter() names enabled by extensions.
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disabled_get_parameter_names: FnvHashSet<GLenum>,
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/// WebGL OES_element_index_uint extension.
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element_index_uint_enabled: bool,
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}
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impl WebGLExtensionFeatures {
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fn new(webgl_version: WebGLVersion) -> Self {
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let (disabled_tex_types, disabled_get_parameter_names) = match webgl_version {
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let (disabled_tex_types, disabled_get_parameter_names, element_index_uint_enabled) = match webgl_version {
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WebGLVersion::WebGL1 => {
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(DEFAULT_DISABLED_TEX_TYPES_WEBGL1.iter().cloned().collect(),
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DEFAULT_DISABLED_GET_PARAMETER_NAMES_WEBGL1.iter().cloned().collect())
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DEFAULT_DISABLED_GET_PARAMETER_NAMES_WEBGL1.iter().cloned().collect(),
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false)
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},
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WebGLVersion::WebGL2 => {
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(Default::default(), Default::default())
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(Default::default(), Default::default(), true)
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}
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};
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Self {
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@ -78,6 +81,7 @@ impl WebGLExtensionFeatures {
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query_parameter_handlers: Default::default(),
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hint_targets: Default::default(),
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disabled_get_parameter_names,
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element_index_uint_enabled,
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}
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}
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}
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@ -96,7 +100,7 @@ impl WebGLExtensions {
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Self {
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extensions: DomRefCell::new(HashMap::new()),
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features: DomRefCell::new(WebGLExtensionFeatures::new(webgl_version)),
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webgl_version
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webgl_version,
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}
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}
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@ -240,6 +244,14 @@ impl WebGLExtensions {
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self.register::<ext::oestexturehalffloatlinear::OESTextureHalfFloatLinear>();
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self.register::<ext::oesvertexarrayobject::OESVertexArrayObject>();
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}
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pub fn enable_element_index_uint(&self) {
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self.features.borrow_mut().element_index_uint_enabled = true;
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}
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pub fn is_element_index_uint_enabled(&self) -> bool {
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self.features.borrow().element_index_uint_enabled
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}
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}
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// Helper structs
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