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Initial implementation of GPUBuffer for WebGPU

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Added WebIDL bindings for GPUBuffer, GPUBufferDescriptor, GPUBufferUsage
Implemented the `createBuffer` and `createBufferMapped` functions of GPUDevice
This commit is contained in:
Istvan Miklos 2019-11-15 15:09:04 +01:00
parent 6ccad53937
commit ebfcd0f27f
14 changed files with 428 additions and 12 deletions
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56
components/webgpu/lib.rs
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@ -36,6 +36,20 @@ pub enum WebGPURequest {
wgpu::id::DeviceId,
),
Exit(IpcSender<()>),
CreateBuffer(
IpcSender<WebGPUBuffer>,
WebGPUDevice,
wgpu::id::BufferId,
wgpu::resource::BufferDescriptor,
),
CreateBufferMapped(
IpcSender<(WebGPUBuffer, Vec<u8>)>,
WebGPUDevice,
wgpu::id::BufferId,
wgpu::resource::BufferDescriptor,
),
UnmapBuffer(WebGPUBuffer),
DestroyBuffer(WebGPUBuffer),
}
#[derive(Clone, Debug, Deserialize, Serialize)]
@ -152,6 +166,47 @@ impl WGPU {
)
}
},
WebGPURequest::CreateBuffer(sender, device, id, descriptor) => {
let global = &self.global;
let _output =
gfx_select!(id => global.device_create_buffer(device.0, &descriptor, id));
let buffer = WebGPUBuffer(id);
if let Err(e) = sender.send(buffer) {
warn!(
"Failed to send response to WebGPURequest::CreateBuffer ({})",
e
)
}
},
WebGPURequest::CreateBufferMapped(sender, device, id, descriptor) => {
let global = &self.global;
let mut arr_buff_ptr: *mut u8 = std::ptr::null_mut();
let buffer_size = descriptor.size as usize;
let _output = gfx_select!(id =>
global.device_create_buffer_mapped(device.0, &descriptor, &mut arr_buff_ptr, id));
let buffer = WebGPUBuffer(id);
let mut array_buffer = Vec::with_capacity(buffer_size);
unsafe {
array_buffer.set_len(buffer_size);
std::ptr::copy(arr_buff_ptr, array_buffer.as_mut_ptr(), buffer_size);
};
if let Err(e) = sender.send((buffer, array_buffer)) {
warn!(
"Failed to send response to WebGPURequest::CreateBufferMapped ({})",
e
)
}
},
WebGPURequest::UnmapBuffer(buffer) => {
let global = &self.global;
let _output = gfx_select!(buffer.0 => global.buffer_unmap(buffer.0));
},
WebGPURequest::DestroyBuffer(buffer) => {
let global = &self.global;
let _output = gfx_select!(buffer.0 => global.buffer_destroy(buffer.0));
},
WebGPURequest::Exit(sender) => {
self.deinit();
if let Err(e) = sender.send(()) {
@ -181,3 +236,4 @@ macro_rules! webgpu_resource {
webgpu_resource!(WebGPUAdapter, wgpu::id::AdapterId);
webgpu_resource!(WebGPUDevice, wgpu::id::DeviceId);
webgpu_resource!(WebGPUBuffer, wgpu::id::BufferId);