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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/gpu_task_scheduler_helper.h"
#include "gpu/command_buffer/client/cmd_buffer_helper.h"
#include "gpu/command_buffer/service/command_buffer_task_executor.h"
#include "gpu/command_buffer/service/scheduler_sequence.h"
#include "gpu/command_buffer/service/single_task_sequence.h"
namespace gpu {
GpuTaskSchedulerHelper::GpuTaskSchedulerHelper(
std::unique_ptr<SingleTaskSequence> task_sequence)
: using_command_buffer_(false),
task_sequence_(std::move(task_sequence)),
initialized_(true) {}
GpuTaskSchedulerHelper::GpuTaskSchedulerHelper(
gpu::CommandBufferTaskExecutor* command_buffer_task_executor)
: using_command_buffer_(true),
task_sequence_(command_buffer_task_executor->CreateSequence()),
initialized_(false) {}
GpuTaskSchedulerHelper::~GpuTaskSchedulerHelper() = default;
void GpuTaskSchedulerHelper::Initialize(
gpu::CommandBufferHelper* command_buffer_helper) {
DCHECK(using_command_buffer_);
DCHECK(!initialized_);
DCHECK(command_buffer_helper);
command_buffer_helper_ = command_buffer_helper;
initialized_ = true;
}
void GpuTaskSchedulerHelper::ScheduleGpuTask(
base::OnceClosure callback,
std::vector<gpu::SyncToken> sync_tokens,
SingleTaskSequence::ReportingCallback report_callback) {
// There are two places where this function is called: inside
// SkiaOutputSurface, where |using_command_buffer_| is false, or by other
// users when sharing with command buffer, where we should ahve
// |command_buffer_helper_| already set up.
DCHECK(!using_command_buffer_ || command_buffer_helper_);
DCHECK(initialized_);
if (command_buffer_helper_)
command_buffer_helper_->Flush();
task_sequence_->ScheduleTask(std::move(callback), std::move(sync_tokens),
std::move(report_callback));
}
void GpuTaskSchedulerHelper::ScheduleOrRetainGpuTask(
base::OnceClosure task,
std::vector<SyncToken> sync_tokens) {
DCHECK(!using_command_buffer_);
DCHECK(!command_buffer_helper_);
task_sequence_->ScheduleOrRetainTask(std::move(task), sync_tokens);
}
SequenceId GpuTaskSchedulerHelper::GetSequenceId() {
DCHECK(!using_command_buffer_);
DCHECK(!command_buffer_helper_);
return task_sequence_->GetSequenceId();
}
gpu::SingleTaskSequence* GpuTaskSchedulerHelper::GetTaskSequence() const {
// The are two places this function is called: inside command buffer or during
// start up or tear down.
return task_sequence_.get();
}
} // namespace gpu
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