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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "resourceaccessor_p.h"
#include <Qt3DRender/qrendertargetoutput.h>
#include <private/qrendertargetoutput_p.h>
#include <private/nodemanagers_p.h>
#include <private/rendertargetoutput_p.h>
#include <private/managers_p.h>
#include <QtCore/qmutex.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
RenderBackendResourceAccessor::~RenderBackendResourceAccessor()
{
}
ResourceAccessor::ResourceAccessor(AbstractRenderer *renderer, NodeManagers *mgr)
: m_renderer(renderer)
, m_textureManager(mgr->textureManager())
, m_attachmentManager(mgr->attachmentManager())
, m_entityManager(mgr->renderNodesManager())
{
}
// called by render plugins from arbitrary thread
bool ResourceAccessor::accessResource(ResourceType type,
Qt3DCore::QNodeId nodeId,
void **handle,
QMutex **lock)
{
switch (type) {
// This is purely made so that Scene2D works, this should be completely
// redesigned to avoid introducing this kind of coupling and reliance on
// OpenGL
case RenderBackendResourceAccessor::OGLTextureWrite:
Q_FALLTHROUGH();
case RenderBackendResourceAccessor::OGLTextureRead:
{
if (m_renderer->api() != API::OpenGL) {
qWarning() << "Renderer plugin is not compatible with Scene2D";
return false;
}
return m_renderer->accessOpenGLTexture(nodeId,
reinterpret_cast<QOpenGLTexture **>(handle),
lock,
type == RenderBackendResourceAccessor::OGLTextureRead);
}
case RenderBackendResourceAccessor::OutputAttachment: {
RenderTargetOutput *output = m_attachmentManager->lookupResource(nodeId);
if (output) {
Attachment **attachmentData = reinterpret_cast<Attachment **>(handle);
*attachmentData = output->attachment();
return true;
}
break;
}
case RenderBackendResourceAccessor::EntityHandle: {
Entity *entity = m_entityManager->lookupResource(nodeId);
if (entity) {
Entity **pEntity = reinterpret_cast<Entity **>(handle);
*pEntity = entity;
return true;
}
break;
}
default:
break;
}
return false;
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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