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Implement OES_element_index_uint (fixes #20384)

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This commit is contained in:
Anthony Ramine 2018-03-23 02:47:39 +01:00
parent 8061d8c3d2
commit 838d1305ca
6 changed files with 127 additions and 5 deletions
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20
components/script/dom/webgl_extensions/extensions.rs
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@ -57,17 +57,20 @@ struct WebGLExtensionFeatures {
hint_targets: FnvHashSet<GLenum>,
/// WebGL GetParameter() names enabled by extensions.
disabled_get_parameter_names: FnvHashSet<GLenum>,
/// WebGL OES_element_index_uint extension.
element_index_uint_enabled: bool,
}
impl WebGLExtensionFeatures {
fn new(webgl_version: WebGLVersion) -> Self {
let (disabled_tex_types, disabled_get_parameter_names) = match webgl_version {
let (disabled_tex_types, disabled_get_parameter_names, element_index_uint_enabled) = match webgl_version {
WebGLVersion::WebGL1 => {
(DEFAULT_DISABLED_TEX_TYPES_WEBGL1.iter().cloned().collect(),
DEFAULT_DISABLED_GET_PARAMETER_NAMES_WEBGL1.iter().cloned().collect())
DEFAULT_DISABLED_GET_PARAMETER_NAMES_WEBGL1.iter().cloned().collect(),
false)
},
WebGLVersion::WebGL2 => {
(Default::default(), Default::default())
(Default::default(), Default::default(), true)
}
};
Self {
@ -78,6 +81,7 @@ impl WebGLExtensionFeatures {
query_parameter_handlers: Default::default(),
hint_targets: Default::default(),
disabled_get_parameter_names,
element_index_uint_enabled,
}
}
}
@ -96,7 +100,7 @@ impl WebGLExtensions {
Self {
extensions: DomRefCell::new(HashMap::new()),
features: DomRefCell::new(WebGLExtensionFeatures::new(webgl_version)),
webgl_version
webgl_version,
}
}
@ -240,6 +244,14 @@ impl WebGLExtensions {
self.register::<ext::oestexturehalffloatlinear::OESTextureHalfFloatLinear>();
self.register::<ext::oesvertexarrayobject::OESVertexArrayObject>();
}
pub fn enable_element_index_uint(&self) {
self.features.borrow_mut().element_index_uint_enabled = true;
}
pub fn is_element_index_uint_enabled(&self) -> bool {
self.features.borrow().element_index_uint_enabled
}
}
// Helper structs