зеркало из https://github.com/mozilla/gecko-dev.git
408 строки
14 KiB
C++
408 строки
14 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 "mozilla/dom/WebGPUBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "Queue.h"
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#include <algorithm>
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#include "CommandBuffer.h"
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#include "CommandEncoder.h"
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#include "ipc/WebGPUChild.h"
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#include "mozilla/Casting.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/HTMLCanvasElement.h"
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#include "mozilla/dom/ImageBitmap.h"
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#include "mozilla/dom/OffscreenCanvas.h"
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#include "mozilla/dom/WebGLTexelConversions.h"
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#include "mozilla/dom/WebGLTypes.h"
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#include "nsLayoutUtils.h"
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namespace mozilla::webgpu {
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GPU_IMPL_CYCLE_COLLECTION(Queue, mParent, mBridge)
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GPU_IMPL_JS_WRAP(Queue)
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Queue::Queue(Device* const aParent, WebGPUChild* aBridge, RawId aId)
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: ChildOf(aParent), mBridge(aBridge), mId(aId) {}
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Queue::~Queue() { Cleanup(); }
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void Queue::Submit(
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const dom::Sequence<OwningNonNull<CommandBuffer>>& aCommandBuffers) {
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nsTArray<RawId> list(aCommandBuffers.Length());
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for (uint32_t i = 0; i < aCommandBuffers.Length(); ++i) {
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auto idMaybe = aCommandBuffers[i]->Commit();
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if (idMaybe) {
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list.AppendElement(*idMaybe);
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}
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}
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mBridge->SendQueueSubmit(mId, mParent->mId, list);
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}
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void Queue::WriteBuffer(const Buffer& aBuffer, uint64_t aBufferOffset,
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const dom::ArrayBufferViewOrArrayBuffer& aData,
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uint64_t aDataOffset,
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const dom::Optional<uint64_t>& aSize,
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ErrorResult& aRv) {
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uint64_t length = 0;
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uint8_t* data = nullptr;
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if (aData.IsArrayBufferView()) {
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const auto& view = aData.GetAsArrayBufferView();
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view.ComputeState();
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length = view.Length();
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data = view.Data();
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}
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if (aData.IsArrayBuffer()) {
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const auto& ab = aData.GetAsArrayBuffer();
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ab.ComputeState();
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length = ab.Length();
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data = ab.Data();
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}
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if (!length) {
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aRv.ThrowAbortError("Input size cannot be zero.");
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return;
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}
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MOZ_ASSERT(data != nullptr);
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const auto checkedSize = aSize.WasPassed()
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? CheckedInt<size_t>(aSize.Value())
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: CheckedInt<size_t>(length) - aDataOffset;
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if (!checkedSize.isValid()) {
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aRv.ThrowRangeError("Mapped size is too large");
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return;
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}
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const auto& size = checkedSize.value();
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if (aDataOffset + size > length) {
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aRv.ThrowAbortError(nsPrintfCString("Wrong data size %" PRIuPTR, size));
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return;
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}
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ipc::Shmem shmem;
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if (!mBridge->AllocShmem(size, &shmem)) {
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aRv.ThrowAbortError(
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nsPrintfCString("Unable to allocate shmem of size %" PRIuPTR, size));
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return;
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}
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memcpy(shmem.get<uint8_t>(), data + aDataOffset, size);
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ipc::ByteBuf bb;
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ffi::wgpu_queue_write_buffer(aBuffer.mId, aBufferOffset, ToFFI(&bb));
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if (!mBridge->SendQueueWriteAction(mId, mParent->mId, std::move(bb),
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std::move(shmem))) {
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MOZ_CRASH("IPC failure");
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}
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}
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void Queue::WriteTexture(const dom::GPUImageCopyTexture& aDestination,
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const dom::ArrayBufferViewOrArrayBuffer& aData,
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const dom::GPUImageDataLayout& aDataLayout,
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const dom::GPUExtent3D& aSize, ErrorResult& aRv) {
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ffi::WGPUImageCopyTexture copyView = {};
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CommandEncoder::ConvertTextureCopyViewToFFI(aDestination, ©View);
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ffi::WGPUImageDataLayout dataLayout = {};
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CommandEncoder::ConvertTextureDataLayoutToFFI(aDataLayout, &dataLayout);
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dataLayout.offset = 0; // our Shmem has the contents starting from 0.
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ffi::WGPUExtent3d extent = {};
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CommandEncoder::ConvertExtent3DToFFI(aSize, &extent);
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uint64_t availableSize = 0;
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uint8_t* data = nullptr;
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if (aData.IsArrayBufferView()) {
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const auto& view = aData.GetAsArrayBufferView();
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view.ComputeState();
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availableSize = view.Length();
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data = view.Data();
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}
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if (aData.IsArrayBuffer()) {
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const auto& ab = aData.GetAsArrayBuffer();
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ab.ComputeState();
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availableSize = ab.Length();
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data = ab.Data();
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}
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if (!availableSize) {
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aRv.ThrowAbortError("Input size cannot be zero.");
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return;
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}
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MOZ_ASSERT(data != nullptr);
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const auto checkedSize =
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CheckedInt<size_t>(availableSize) - aDataLayout.mOffset;
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if (!checkedSize.isValid()) {
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aRv.ThrowAbortError(nsPrintfCString("Offset is higher than the size"));
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return;
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}
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const auto size = checkedSize.value();
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ipc::Shmem shmem;
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if (!mBridge->AllocShmem(size, &shmem)) {
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aRv.ThrowAbortError(
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nsPrintfCString("Unable to allocate shmem of size %" PRIuPTR, size));
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return;
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}
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memcpy(shmem.get<uint8_t>(), data + aDataLayout.mOffset, size);
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ipc::ByteBuf bb;
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ffi::wgpu_queue_write_texture(copyView, dataLayout, extent, ToFFI(&bb));
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if (!mBridge->SendQueueWriteAction(mId, mParent->mId, std::move(bb),
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std::move(shmem))) {
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MOZ_CRASH("IPC failure");
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}
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}
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static WebGLTexelFormat ToWebGLTexelFormat(gfx::SurfaceFormat aFormat) {
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switch (aFormat) {
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case gfx::SurfaceFormat::B8G8R8A8:
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case gfx::SurfaceFormat::B8G8R8X8:
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return WebGLTexelFormat::BGRA8;
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case gfx::SurfaceFormat::R8G8B8A8:
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case gfx::SurfaceFormat::R8G8B8X8:
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return WebGLTexelFormat::RGBA8;
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default:
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return WebGLTexelFormat::FormatNotSupportingAnyConversion;
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}
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}
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static WebGLTexelFormat ToWebGLTexelFormat(dom::GPUTextureFormat aFormat) {
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// TODO: We need support for Rbg10a2unorm as well.
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switch (aFormat) {
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case dom::GPUTextureFormat::R8unorm:
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return WebGLTexelFormat::R8;
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case dom::GPUTextureFormat::R16float:
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return WebGLTexelFormat::R16F;
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case dom::GPUTextureFormat::R32float:
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return WebGLTexelFormat::R32F;
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case dom::GPUTextureFormat::Rg8unorm:
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return WebGLTexelFormat::RG8;
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case dom::GPUTextureFormat::Rg16float:
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return WebGLTexelFormat::RG16F;
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case dom::GPUTextureFormat::Rg32float:
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return WebGLTexelFormat::RG32F;
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case dom::GPUTextureFormat::Rgba8unorm:
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case dom::GPUTextureFormat::Rgba8unorm_srgb:
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return WebGLTexelFormat::RGBA8;
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case dom::GPUTextureFormat::Bgra8unorm:
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case dom::GPUTextureFormat::Bgra8unorm_srgb:
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return WebGLTexelFormat::BGRA8;
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case dom::GPUTextureFormat::Rgba16float:
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return WebGLTexelFormat::RGBA16F;
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case dom::GPUTextureFormat::Rgba32float:
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return WebGLTexelFormat::RGBA32F;
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default:
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return WebGLTexelFormat::FormatNotSupportingAnyConversion;
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}
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}
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void Queue::CopyExternalImageToTexture(
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const dom::GPUImageCopyExternalImage& aSource,
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const dom::GPUImageCopyTextureTagged& aDestination,
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const dom::GPUExtent3D& aCopySize, ErrorResult& aRv) {
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const auto dstFormat = ToWebGLTexelFormat(aDestination.mTexture->mFormat);
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if (dstFormat == WebGLTexelFormat::FormatNotSupportingAnyConversion) {
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aRv.ThrowInvalidStateError("Unsupported destination format");
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return;
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}
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const uint32_t surfaceFlags = nsLayoutUtils::SFE_ALLOW_NON_PREMULT;
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SurfaceFromElementResult sfeResult;
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if (aSource.mSource.IsImageBitmap()) {
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const auto& bitmap = aSource.mSource.GetAsImageBitmap();
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if (bitmap->IsClosed()) {
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aRv.ThrowInvalidStateError("Detached ImageBitmap");
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return;
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}
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sfeResult = nsLayoutUtils::SurfaceFromImageBitmap(bitmap, surfaceFlags);
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} else if (aSource.mSource.IsHTMLCanvasElement()) {
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MOZ_ASSERT(NS_IsMainThread());
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const auto& canvas = aSource.mSource.GetAsHTMLCanvasElement();
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if (canvas->Width() == 0 || canvas->Height() == 0) {
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aRv.ThrowInvalidStateError("Zero-sized HTMLCanvasElement");
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return;
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}
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sfeResult = nsLayoutUtils::SurfaceFromElement(canvas, surfaceFlags);
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} else if (aSource.mSource.IsOffscreenCanvas()) {
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const auto& canvas = aSource.mSource.GetAsOffscreenCanvas();
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if (canvas->Width() == 0 || canvas->Height() == 0) {
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aRv.ThrowInvalidStateError("Zero-sized OffscreenCanvas");
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return;
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}
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sfeResult = nsLayoutUtils::SurfaceFromOffscreenCanvas(canvas, surfaceFlags);
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}
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if (!sfeResult.mCORSUsed) {
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nsIGlobalObject* global = mParent->GetOwnerGlobal();
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nsIPrincipal* dstPrincipal = global ? global->PrincipalOrNull() : nullptr;
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if (!sfeResult.mPrincipal || !dstPrincipal ||
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!dstPrincipal->Subsumes(sfeResult.mPrincipal)) {
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aRv.ThrowSecurityError("Cross-origin elements require CORS!");
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return;
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}
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}
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if (sfeResult.mIsWriteOnly) {
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aRv.ThrowSecurityError("Write only source data not supported!");
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return;
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}
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RefPtr<gfx::SourceSurface> surface = sfeResult.GetSourceSurface();
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if (!surface) {
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aRv.ThrowInvalidStateError("No surface available from source");
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return;
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}
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RefPtr<gfx::DataSourceSurface> dataSurface = surface->GetDataSurface();
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if (!dataSurface) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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bool srcPremultiplied;
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switch (sfeResult.mAlphaType) {
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case gfxAlphaType::Premult:
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srcPremultiplied = true;
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break;
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case gfxAlphaType::NonPremult:
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srcPremultiplied = false;
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break;
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case gfxAlphaType::Opaque:
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// No (un)premultiplication necessary so match the output.
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srcPremultiplied = aDestination.mPremultipliedAlpha;
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break;
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}
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const auto surfaceFormat = dataSurface->GetFormat();
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const auto srcFormat = ToWebGLTexelFormat(surfaceFormat);
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if (srcFormat == WebGLTexelFormat::FormatNotSupportingAnyConversion) {
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gfxCriticalError() << "Unsupported surface format from source "
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<< surfaceFormat;
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MOZ_CRASH();
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}
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gfx::DataSourceSurface::ScopedMap map(dataSurface,
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gfx::DataSourceSurface::READ);
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if (!map.IsMapped()) {
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aRv.ThrowInvalidStateError("Cannot map surface from source");
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return;
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}
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if (!aSource.mOrigin.IsGPUOrigin2DDict()) {
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aRv.ThrowInvalidStateError("Cannot get origin from source");
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return;
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}
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ffi::WGPUExtent3d extent = {};
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CommandEncoder::ConvertExtent3DToFFI(aCopySize, &extent);
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if (extent.depth_or_array_layers > 1) {
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aRv.ThrowOperationError("Depth is greater than 1");
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return;
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}
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uint32_t srcOriginX;
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uint32_t srcOriginY;
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if (aSource.mOrigin.IsRangeEnforcedUnsignedLongSequence()) {
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const auto& seq = aSource.mOrigin.GetAsRangeEnforcedUnsignedLongSequence();
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srcOriginX = seq.Length() > 0 ? seq[0] : 0;
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srcOriginY = seq.Length() > 1 ? seq[1] : 0;
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} else if (aSource.mOrigin.IsGPUOrigin2DDict()) {
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const auto& dict = aSource.mOrigin.GetAsGPUOrigin2DDict();
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srcOriginX = dict.mX;
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srcOriginY = dict.mY;
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} else {
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MOZ_CRASH("Unexpected origin type!");
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}
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const auto checkedMaxWidth = CheckedInt<uint32_t>(srcOriginX) + extent.width;
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const auto checkedMaxHeight =
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CheckedInt<uint32_t>(srcOriginY) + extent.height;
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if (!checkedMaxWidth.isValid() || !checkedMaxHeight.isValid()) {
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aRv.ThrowOperationError("Offset and copy size exceed integer bounds");
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return;
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}
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const gfx::IntSize surfaceSize = dataSurface->GetSize();
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const auto surfaceWidth = AssertedCast<uint32_t>(surfaceSize.width);
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const auto surfaceHeight = AssertedCast<uint32_t>(surfaceSize.height);
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if (surfaceWidth < checkedMaxWidth.value() ||
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surfaceHeight < checkedMaxHeight.value()) {
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aRv.ThrowOperationError("Offset and copy size exceed surface bounds");
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return;
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}
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const auto dstWidth = extent.width;
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const auto dstHeight = extent.height;
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if (dstWidth == 0 || dstHeight == 0) {
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aRv.ThrowOperationError("Destination size is empty");
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return;
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}
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if (!aDestination.mTexture->mBytesPerBlock) {
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// TODO(bug 1781071) This should emmit a GPUValidationError on the device
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// timeline.
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aRv.ThrowInvalidStateError("Invalid destination format");
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return;
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}
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// Note: This assumes bytes per block == bytes per pixel which is the case
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// here because the spec only allows non-compressed texture formats for the
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// destination.
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const auto dstStride = CheckedInt<uint32_t>(extent.width) *
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aDestination.mTexture->mBytesPerBlock.value();
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const auto dstByteLength = dstStride * extent.height;
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if (!dstStride.isValid() || !dstByteLength.isValid()) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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ipc::Shmem shmem;
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if (!mBridge->AllocShmem(dstByteLength.value(), &shmem)) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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const int32_t pixelSize = gfx::BytesPerPixel(surfaceFormat);
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auto* dstBegin = shmem.get<uint8_t>();
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const auto* srcBegin =
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map.GetData() + srcOriginX * pixelSize + srcOriginY * map.GetStride();
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const auto srcOriginPos = gl::OriginPos::TopLeft;
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const auto srcStride = AssertedCast<uint32_t>(map.GetStride());
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const auto dstOriginPos =
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aSource.mFlipY ? gl::OriginPos::BottomLeft : gl::OriginPos::TopLeft;
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bool wasTrivial;
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if (!ConvertImage(dstWidth, dstHeight, srcBegin, srcStride, srcOriginPos,
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srcFormat, srcPremultiplied, dstBegin, dstStride.value(),
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dstOriginPos, dstFormat, aDestination.mPremultipliedAlpha,
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&wasTrivial)) {
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MOZ_ASSERT_UNREACHABLE("ConvertImage failed!");
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mBridge->DeallocShmem(shmem);
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aRv.ThrowInvalidStateError(
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nsPrintfCString("Failed to convert source to destination format "
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"(%i/%i), please file a bug!",
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(int)srcFormat, (int)dstFormat));
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return;
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}
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ffi::WGPUImageDataLayout dataLayout = {0, dstStride.value(), dstHeight};
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ffi::WGPUImageCopyTexture copyView = {};
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CommandEncoder::ConvertTextureCopyViewToFFI(aDestination, ©View);
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ipc::ByteBuf bb;
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ffi::wgpu_queue_write_texture(copyView, dataLayout, extent, ToFFI(&bb));
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if (!mBridge->SendQueueWriteAction(mId, mParent->mId, std::move(bb),
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std::move(shmem))) {
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MOZ_CRASH("IPC failure");
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}
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}
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} // namespace mozilla::webgpu
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