mirror of
https://github.com/servo/servo.git
synced 2025-07-24 15:50:21 +01:00
Implement WebGL extensions.
This commit is contained in:
parent
ac99a48aea
commit
32e23c4db4
40 changed files with 1346 additions and 86 deletions
|
@ -4,6 +4,7 @@
|
|||
|
||||
// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
|
||||
use canvas_traits::CanvasMsg;
|
||||
use dom::bindings::cell::DOMRefCell;
|
||||
use dom::bindings::codegen::Bindings::WebGLBufferBinding;
|
||||
use dom::bindings::js::Root;
|
||||
use dom::bindings::reflector::reflect_dom_object;
|
||||
|
@ -12,8 +13,9 @@ use dom::window::Window;
|
|||
use dom_struct::dom_struct;
|
||||
use ipc_channel::ipc::IpcSender;
|
||||
use std::cell::Cell;
|
||||
use std::collections::HashSet;
|
||||
use webrender_traits;
|
||||
use webrender_traits::{WebGLBufferId, WebGLCommand, WebGLError, WebGLResult};
|
||||
use webrender_traits::{WebGLBufferId, WebGLCommand, WebGLError, WebGLResult, WebGLVertexArrayId};
|
||||
|
||||
#[dom_struct]
|
||||
pub struct WebGLBuffer {
|
||||
|
@ -23,6 +25,9 @@ pub struct WebGLBuffer {
|
|||
target: Cell<Option<u32>>,
|
||||
capacity: Cell<usize>,
|
||||
is_deleted: Cell<bool>,
|
||||
// The Vertex Array Objects that are referencing this buffer
|
||||
vao_references: DOMRefCell<Option<HashSet<WebGLVertexArrayId>>>,
|
||||
pending_delete: Cell<bool>,
|
||||
#[ignore_heap_size_of = "Defined in ipc-channel"]
|
||||
renderer: IpcSender<CanvasMsg>,
|
||||
}
|
||||
|
@ -37,6 +42,8 @@ impl WebGLBuffer {
|
|||
target: Cell::new(None),
|
||||
capacity: Cell::new(0),
|
||||
is_deleted: Cell::new(false),
|
||||
vao_references: DOMRefCell::new(None),
|
||||
pending_delete: Cell::new(false),
|
||||
renderer: renderer,
|
||||
}
|
||||
}
|
||||
|
@ -112,6 +119,36 @@ impl WebGLBuffer {
|
|||
pub fn target(&self) -> Option<u32> {
|
||||
self.target.get()
|
||||
}
|
||||
|
||||
pub fn is_attached_to_vao(&self) -> bool {
|
||||
self.vao_references.borrow().as_ref().map_or(false, |vaos| !vaos.is_empty())
|
||||
}
|
||||
|
||||
pub fn set_pending_delete(&self) {
|
||||
self.pending_delete.set(true);
|
||||
}
|
||||
|
||||
pub fn add_vao_reference(&self, id: WebGLVertexArrayId) {
|
||||
let mut vao_refs = self.vao_references.borrow_mut();
|
||||
if let Some(ref mut vao_refs) = *vao_refs {
|
||||
vao_refs.insert(id);
|
||||
return;
|
||||
}
|
||||
|
||||
let mut map = HashSet::new();
|
||||
map.insert(id);
|
||||
*vao_refs = Some(map);
|
||||
}
|
||||
|
||||
pub fn remove_vao_reference(&self, id: WebGLVertexArrayId) {
|
||||
if let Some(ref mut vao_refs) = *self.vao_references.borrow_mut() {
|
||||
if vao_refs.take(&id).is_some() && self.pending_delete.get() {
|
||||
// WebGL spec: The deleted buffers should no longer be valid when the VAOs are deleted
|
||||
let _ = self.renderer.send(CanvasMsg::WebGL(WebGLCommand::DeleteBuffer(self.id)));
|
||||
self.is_deleted.set(true);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for WebGLBuffer {
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue