forked from mirrors/gecko-dev
3021defc28
This change adds support for CanvasContext presenting WebGPU via CPU readback. The presentation is handled mostly on GPU process side by managing a list of staging buffers and copying the contents into a WR external image (backed by an external buffer). Differential Revision: https://phabricator.services.mozilla.com/D68032 --HG-- extra : moz-landing-system : lando
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "Texture.h"
|
|
|
|
#include "mozilla/webgpu/ffi/wgpu.h"
|
|
#include "TextureView.h"
|
|
|
|
namespace mozilla {
|
|
namespace webgpu {
|
|
|
|
GPU_IMPL_CYCLE_COLLECTION(Texture, mParent)
|
|
GPU_IMPL_JS_WRAP(Texture)
|
|
|
|
Texture::Texture(Device* const aParent, RawId aId,
|
|
const dom::GPUTextureDescriptor& aDesc)
|
|
: ChildOf(aParent),
|
|
mId(aId),
|
|
mDefaultViewDescriptor(WebGPUChild::GetDefaultViewDescriptor(aDesc)) {}
|
|
|
|
Texture::~Texture() { Cleanup(); }
|
|
|
|
void Texture::Cleanup() {
|
|
if (mValid && mParent) {
|
|
mValid = false;
|
|
auto bridge = mParent->GetBridge();
|
|
if (bridge && bridge->IsOpen()) {
|
|
bridge->SendTextureDestroy(mId);
|
|
}
|
|
}
|
|
}
|
|
|
|
already_AddRefed<TextureView> Texture::CreateView(
|
|
const dom::GPUTextureViewDescriptor& aDesc) {
|
|
RawId id = mParent->GetBridge()->TextureCreateView(mId, aDesc,
|
|
*mDefaultViewDescriptor);
|
|
RefPtr<TextureView> view = new TextureView(this, id);
|
|
return view.forget();
|
|
}
|
|
|
|
} // namespace webgpu
|
|
} // namespace mozilla
|