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// Copyright 2025 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/Resources/Resource.h"
#include "Common/Logging/Log.h"
namespace VideoCommon
{
Resource::Resource(ResourceContext resource_context)
: m_resource_context(std::move(resource_context))
{
}
void Resource::Process()
{
MarkAsActive();
if (m_data_processed == TaskComplete::Error)
return;
ProcessCurrentTask();
}
void Resource::ProcessCurrentTask()
{
Task next_task = m_current_task;
TaskComplete task_complete = TaskComplete::No;
switch (m_current_task)
{
case Task::ReloadData:
ResetData();
task_complete = TaskComplete::Yes;
next_task = Task::CollectPrimaryData;
break;
case Task::CollectPrimaryData:
task_complete = CollectPrimaryData();
next_task = Task::CollectDependencyData;
if (task_complete == TaskComplete::No)
MarkAsPending();
break;
case Task::CollectDependencyData:
task_complete = CollectDependencyData();
next_task = Task::ProcessData;
break;
case Task::ProcessData:
task_complete = ProcessData();
next_task = Task::DataAvailable;
break;
case Task::DataAvailable:
// Early out, we're already at our end state
return;
default:
ERROR_LOG_FMT(VIDEO, "Unknown task '{}' for resource '{}'", static_cast<int>(m_current_task),
m_resource_context.primary_asset_id);
return;
};
if (task_complete == Resource::TaskComplete::Yes)
{
m_current_task = next_task;
if (next_task == Resource::Task::DataAvailable)
{
m_data_processed = task_complete;
}
else
{
// No need to wait for the next resource request
// process the new task immediately
ProcessCurrentTask();
}
}
else if (task_complete == Resource::TaskComplete::Error)
{
// If we failed our task due to an error,
// we can't service this resource request,
// wait for a reload and mark the whole
// data processing as an error
m_data_processed = task_complete;
}
}
void Resource::NotifyAssetChanged(bool has_error)
{
m_data_processed = has_error ? TaskComplete::Error : TaskComplete::No;
m_current_task = Task::ReloadData;
for (Resource* reference : m_references)
{
reference->NotifyAssetChanged(has_error);
}
}
void Resource::NotifyAssetUnloaded()
{
OnUnloadRequested();
for (Resource* reference : m_references)
{
reference->NotifyAssetUnloaded();
}
}
void Resource::AddReference(Resource* reference)
{
m_references.insert(reference);
}
void Resource::RemoveReference(Resource* reference)
{
m_references.erase(reference);
}
void Resource::NotifyAssetLoadSuccess()
{
NotifyAssetChanged(false);
}
void Resource::NotifyAssetLoadFailed()
{
NotifyAssetChanged(true);
}
void Resource::AssetUnloaded()
{
NotifyAssetUnloaded();
}
void Resource::OnUnloadRequested()
{
}
void Resource::ResetData()
{
}
Resource::TaskComplete Resource::CollectPrimaryData()
{
return TaskComplete::Yes;
}
Resource::TaskComplete Resource::CollectDependencyData()
{
return TaskComplete::Yes;
}
Resource::TaskComplete Resource::ProcessData()
{
return TaskComplete::Yes;
}
} // namespace VideoCommon
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