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121 lines
2.6 KiB
C++
121 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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 "DrawingJob.h"
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#include "JobScheduler.h"
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#include "mozilla/gfx/2D.h"
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namespace mozilla {
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namespace gfx {
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DrawingJobBuilder::DrawingJobBuilder()
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{}
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DrawingJobBuilder::~DrawingJobBuilder()
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{
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MOZ_ASSERT(!mDrawTarget);
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}
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void
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DrawingJob::Clear()
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{
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mCommandBuffer = nullptr;
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mCursor = 0;
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}
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void
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DrawingJobBuilder::BeginDrawingJob(DrawTarget* aTarget, IntPoint aOffset,
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SyncObject* aStart)
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{
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MOZ_ASSERT(mCommandOffsets.empty());
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MOZ_ASSERT(aTarget);
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mDrawTarget = aTarget;
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mOffset = aOffset;
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mStart = aStart;
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}
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DrawingJob*
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DrawingJobBuilder::EndDrawingJob(CommandBuffer* aCmdBuffer,
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SyncObject* aCompletion,
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WorkerThread* aPinToWorker)
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{
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MOZ_ASSERT(mDrawTarget);
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DrawingJob* task = new DrawingJob(mDrawTarget, mOffset, mStart, aCompletion, aPinToWorker);
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task->mCommandBuffer = aCmdBuffer;
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task->mCommandOffsets = Move(mCommandOffsets);
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mDrawTarget = nullptr;
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mOffset = IntPoint();
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mStart = nullptr;
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return task;
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}
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DrawingJob::DrawingJob(DrawTarget* aTarget, IntPoint aOffset,
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SyncObject* aStart, SyncObject* aCompletion,
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WorkerThread* aPinToWorker)
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: Job(aStart, aCompletion, aPinToWorker)
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, mCommandBuffer(nullptr)
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, mCursor(0)
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, mDrawTarget(aTarget)
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, mOffset(aOffset)
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{
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mCommandOffsets.reserve(64);
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}
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JobStatus
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DrawingJob::Run()
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{
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while (mCursor < mCommandOffsets.size()) {
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const DrawingCommand* cmd = mCommandBuffer->GetDrawingCommand(mCommandOffsets[mCursor]);
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if (!cmd) {
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return JobStatus::Error;
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}
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cmd->ExecuteOnDT(mDrawTarget);
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++mCursor;
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}
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return JobStatus::Complete;
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}
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DrawingJob::~DrawingJob()
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{
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Clear();
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}
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const DrawingCommand*
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CommandBuffer::GetDrawingCommand(ptrdiff_t aId)
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{
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return static_cast<DrawingCommand*>(mStorage.GetStorage(aId));
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}
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CommandBuffer::~CommandBuffer()
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{
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mStorage.ForEach([](void* item){
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static_cast<DrawingCommand*>(item)->~DrawingCommand();
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});
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mStorage.Clear();
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}
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void
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CommandBufferBuilder::BeginCommandBuffer(size_t aBufferSize)
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{
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MOZ_ASSERT(!mCommands);
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mCommands = new CommandBuffer(aBufferSize);
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}
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already_AddRefed<CommandBuffer>
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CommandBufferBuilder::EndCommandBuffer()
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{
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return mCommands.forget();
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}
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} // namespace
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} // namespace
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