dom/webgpu/TextureView.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "TextureView.h"
   7
   8 #include "Device.h"
   9 #include "mozilla/dom/WebGPUBinding.h"
  10 #include "mozilla/webgpu/CanvasContext.h"
  11 #include "ipc/WebGPUChild.h"
  12
  13 namespace mozilla::webgpu {
  14
  15 GPU_IMPL_CYCLE_COLLECTION(TextureView, mParent)
  16 GPU_IMPL_JS_WRAP(TextureView)
  17
  18 TextureView::TextureView(Texture* const aParent, RawId aId)
  19     : ChildOf(aParent), mId(aId) {
  20   MOZ_RELEASE_ASSERT(aId);
  21 }
  22
  23 TextureView::~TextureView() { Cleanup(); }
  24
  25 CanvasContext* TextureView::GetTargetContext() const {
  26   return mParent->mTargetContext;
  27 }  // namespace webgpu
  28
  29 void TextureView::Cleanup() {
  30   if (!mValid || !mParent || !mParent->GetDevice()) {
  31     return;
  32   }
  33   mValid = false;
  34
  35   auto bridge = mParent->GetDevice()->GetBridge();
  36   if (!bridge) {
  37     return;
  38   }
  39
  40   if (bridge->CanSend()) {
  41     bridge->SendTextureViewDrop(mId);
  42   }
  43
  44   wgpu_client_free_texture_view_id(bridge->GetClient(), mId);
  45 }
  46
  47 }  // namespace mozilla::webgpu