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| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
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| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL3$ |
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| ** GNU General Public License Usage |
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| ** General Public License version 2.0 or later as published by the Free |
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| ****************************************************************************/ |
| |
| #include "resourceaccessor_p.h" |
| |
| #include <Qt3DRender/qrendertargetoutput.h> |
| |
| #include <private/qrendertargetoutput_p.h> |
| #include <private/nodemanagers_p.h> |
| #include <private/texture_p.h> |
| #include <private/rendertargetoutput_p.h> |
| #include <private/gltexturemanager_p.h> |
| #include <private/managers_p.h> |
| #include <private/gltexture_p.h> |
| |
| #include <QtCore/qmutex.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| namespace Render { |
| |
| RenderBackendResourceAccessor::~RenderBackendResourceAccessor() |
| { |
| |
| } |
| |
| ResourceAccessor::ResourceAccessor(NodeManagers *mgr) |
| : m_glTextureManager(mgr->glTextureManager()) |
| , 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) { |
| |
| case RenderBackendResourceAccessor::OGLTextureWrite: |
| Q_FALLTHROUGH(); |
| case RenderBackendResourceAccessor::OGLTextureRead: |
| { |
| Texture *tex = m_textureManager->lookupResource(nodeId); |
| if (!tex) |
| return false; |
| |
| GLTexture *glTex = m_glTextureManager->lookupResource(tex->peerId()); |
| if (!glTex) |
| return false; |
| |
| if (glTex->isDirty()) |
| return false; |
| |
| if (type == RenderBackendResourceAccessor::OGLTextureWrite) |
| glTex->setExternalRenderingEnabled(true); |
| |
| QOpenGLTexture **glTextureHandle = reinterpret_cast<QOpenGLTexture **>(handle); |
| *glTextureHandle = glTex->getGLTexture(); |
| |
| if (type == RenderBackendResourceAccessor::OGLTextureWrite) |
| *lock = glTex->externalRenderingLock(); |
| |
| return true; |
| } |
| |
| 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 |