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Auto merge of #21324 - servo:webgl, r=emilio

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Properly set initial values for WebGL texture filters

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bors-servo 2018-08-02 12:08:12 -04:00 • committed by GitHub
commit c5aaae7333
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3 changed files with 86 additions and 76 deletions
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27
components/script/dom/webglrenderingcontext.rs
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@ -446,22 +446,22 @@ impl WebGLRenderingContext {
handle_potential_webgl_error!(self, f(location));
}
fn tex_parameter(&self, target: u32, name: u32, value: TexParameterValue) {
fn tex_parameter(&self, target: u32, param: u32, value: TexParameterValue) {
let texture = match target {
constants::TEXTURE_2D |
constants::TEXTURE_CUBE_MAP => self.bound_texture(target),
_ => return self.webgl_error(InvalidEnum),
};
if !self.extension_manager.is_get_tex_parameter_name_enabled(name) {
return self.webgl_error(InvalidEnum);
}
let param = handle_potential_webgl_error!(self, TexParameter::from_u32(name), return);
let texture = match texture {
Some(tex) => tex,
None => return self.webgl_error(InvalidOperation),
};
if !self.extension_manager.is_get_tex_parameter_name_enabled(param) {
return self.webgl_error(InvalidEnum);
}
handle_potential_webgl_error!(self, texture.tex_parameter(param, value), return);
// Validate non filterable TEXTURE_2D data_types
@ -1664,9 +1664,18 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
return NullValue();
}
if self.bound_texture(target).is_none() {
self.webgl_error(InvalidOperation);
return NullValue();
let texture = match self.bound_texture(target) {
Some(texture) => texture,
None => {
self.webgl_error(InvalidOperation);
return NullValue();
}
};
match pname {
constants::TEXTURE_MAG_FILTER => return UInt32Value(texture.mag_filter()),
constants::TEXTURE_MIN_FILTER => return UInt32Value(texture.min_filter()),
_ => {}
}
match handle_potential_webgl_error!(self, TexParameter::from_u32(pname), return NullValue()) {