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Simplify GetTexParameter
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730bd5ec80
commit
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3 changed files with 32 additions and 37 deletions
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@ -1342,31 +1342,39 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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#[allow(unsafe_code)]
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// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
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unsafe fn GetTexParameter(&self, _cx: *mut JSContext, target: u32, pname: u32) -> JSVal {
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let texture = match target {
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let target_matches = match target {
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constants::TEXTURE_2D |
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constants::TEXTURE_CUBE_MAP => self.bound_texture(target),
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constants::TEXTURE_CUBE_MAP => true,
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_ => false,
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};
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let pname_matches = match pname {
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constants::TEXTURE_MAG_FILTER |
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constants::TEXTURE_MIN_FILTER |
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constants::TEXTURE_WRAP_S |
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constants::TEXTURE_WRAP_T => true,
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_ => false,
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};
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if !target_matches || !pname_matches {
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self.webgl_error(InvalidEnum);
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return NullValue();
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}
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if self.bound_texture(target).is_none() {
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self.webgl_error(InvalidOperation);
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return NullValue();
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}
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let (sender, receiver) = webgl_channel().unwrap();
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self.send_command(WebGLCommand::GetTexParameter(target, pname, sender));
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match receiver.recv().unwrap() {
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value if value != 0 => Int32Value(value),
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_ => {
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self.webgl_error(InvalidEnum);
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return NullValue();
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NullValue()
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}
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};
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if texture.is_some() {
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let (sender, receiver) = webgl_channel().unwrap();
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self.send_command(WebGLCommand::GetTexParameter(target, pname, sender));
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match handle_potential_webgl_error!(self, receiver.recv().unwrap(), WebGLParameter::Invalid) {
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WebGLParameter::Int(val) => Int32Value(val),
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WebGLParameter::Bool(_) => panic!("Texture parameter should not be bool"),
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WebGLParameter::Float(_) => panic!("Texture parameter should not be float"),
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WebGLParameter::FloatArray(_) => panic!("Texture parameter should not be float array"),
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WebGLParameter::String(_) => panic!("Texture parameter should not be string"),
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WebGLParameter::Invalid => {
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self.webgl_error(InvalidEnum);
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NullValue()
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}
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}
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} else {
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self.webgl_error(InvalidOperation);
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NullValue()
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}
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}
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