forked from mirrors/gecko-dev
b428472b9e
Backed out changeset 13f07117425f (bug 1861985) Backed out changeset 0bdc4c60018e (bug 1861985) Backed out changeset 5e6f2b2e19c6 (bug 1860958)
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Texture.h"
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#include "ipc/WebGPUChild.h"
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#include "mozilla/webgpu/ffi/wgpu.h"
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#include "mozilla/webgpu/CanvasContext.h"
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#include "mozilla/dom/WebGPUBinding.h"
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#include "mozilla/webgpu/WebGPUTypes.h"
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#include "TextureView.h"
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#include "Utility.h"
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namespace mozilla::webgpu {
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GPU_IMPL_CYCLE_COLLECTION(Texture, mParent)
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GPU_IMPL_JS_WRAP(Texture)
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static Maybe<uint8_t> GetBytesPerBlockSingleAspect(
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dom::GPUTextureFormat aFormat) {
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auto format = WebGPUChild::ConvertTextureFormat(aFormat);
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uint32_t bytes = ffi::wgpu_texture_format_block_size_single_aspect(format);
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if (bytes == 0) {
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// The above function returns zero if the texture has multiple aspects like
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// depth and stencil.
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return Nothing();
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}
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return Some((uint8_t)bytes);
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}
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Texture::Texture(Device* const aParent, RawId aId,
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const dom::GPUTextureDescriptor& aDesc)
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: ChildOf(aParent),
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mId(aId),
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mFormat(aDesc.mFormat),
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mBytesPerBlock(GetBytesPerBlockSingleAspect(aDesc.mFormat)),
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mSize(ConvertExtent(aDesc.mSize)),
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mMipLevelCount(aDesc.mMipLevelCount),
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mSampleCount(aDesc.mSampleCount),
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mDimension(aDesc.mDimension),
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mUsage(aDesc.mUsage) {
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MOZ_RELEASE_ASSERT(aId);
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}
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Texture::~Texture() { Cleanup(); }
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void Texture::Cleanup() {
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if (mValid && mParent) {
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mValid = false;
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auto bridge = mParent->GetBridge();
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if (bridge && bridge->IsOpen()) {
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bridge->SendTextureDrop(mId);
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}
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}
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}
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already_AddRefed<TextureView> Texture::CreateView(
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const dom::GPUTextureViewDescriptor& aDesc) {
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auto bridge = mParent->GetBridge();
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RawId id = 0;
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if (bridge->IsOpen()) {
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id = bridge->TextureCreateView(mId, mParent->mId, aDesc);
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}
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RefPtr<TextureView> view = new TextureView(this, id);
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return view.forget();
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}
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void Texture::Destroy() {
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// TODO: we don't have to implement it right now, but it's used by the
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// examples
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// XXX Bug 1860958.
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}
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void Texture::ForceDestroy() { Cleanup(); }
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} // namespace mozilla::webgpu
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