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Allow binding the null buffer in vertexAttribPointer if offset is 0

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This commit is contained in:
Anthony Ramine 2018-08-25 14:33:40 +02:00
parent 0ba66f9f12
commit 7f9d560f28
3 changed files with 10 additions and 11 deletions
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13
components/script/dom/webglvertexarrayobjectoes.rs
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@ -124,8 +124,15 @@ impl WebGLVertexArrayObjectOES {
}
let context = self.upcast::<WebGLObject>().context();
let buffer = context.array_buffer().ok_or(WebGLError::InvalidOperation)?;
buffer.increment_attached_counter();
let buffer = context.array_buffer();
match buffer {
Some(ref buffer) => buffer.increment_attached_counter(),
None if offset != 0 => {
// https://github.com/KhronosGroup/WebGL/pull/2228
return Err(WebGLError::InvalidOperation)
},
_ => {},
}
context.send_command(WebGLCommand::VertexAttribPointer(
index,
size,
@ -146,7 +153,7 @@ impl WebGLVertexArrayObjectOES {
normalized,
stride: stride as u8,
offset: offset as u32,
buffer: Some(Dom::from_ref(&*buffer)),
buffer: buffer.map(|b| Dom::from_ref(&*b)),
divisor: data.divisor,
};