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Add ability to call code on rendering thread

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As more users use compute in Godot 4, the way they do is most likely incompatible when running
on separate threads and will start erroring soon as we improve the thread safety of the render thread.

To properly run code on the render thread, this function was added. Use like this:

```GDScript

func initialize_compute_code():
	....

func update_compute_code(custom_data):
	...

func _ready():
	RenderingServer.call_on_render_thread( initialize_compute_code )

func _process():
	RenderingServer.call_on_render_thread( update_compute_code.bind(with_data) )

```
This commit is contained in:
Juan Linietsky 2023-07-20 11:49:59 +02:00
parent 202e4b2c1e
commit c7fb6cea3d
5 changed files with 28 additions and 0 deletions
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2
servers/rendering_server.cpp
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@ -2808,6 +2808,8 @@ void RenderingServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("force_draw", "swap_buffers", "frame_step"), &RenderingServer::draw, DEFVAL(true), DEFVAL(0.0));
ClassDB::bind_method(D_METHOD("get_rendering_device"), &RenderingServer::get_rendering_device);
ClassDB::bind_method(D_METHOD("create_local_rendering_device"), &RenderingServer::create_local_rendering_device);
ClassDB::bind_method(D_METHOD("call_on_render_thread", "callable"), &RenderingServer::call_on_render_thread);
}
void RenderingServer::mesh_add_surface_from_mesh_data(RID p_mesh, const Geometry3D::MeshData &p_mesh_data) {