1 files changed, 124 insertions, 0 deletions
diff --git a/src/Authoring/Qt3DStudio/Render/StudioSubPresentationRenderer.h b/src/Authoring/Qt3DStudio/Render/StudioSubPresentationRenderer.h
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+++ b/src/Authoring/Qt3DStudio/Render/StudioSubPresentationRenderer.h
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QT3DS_STUDIO_SUBPRESENTATION_RENDERER_H
+#define QT3DS_STUDIO_SUBPRESENTATION_RENDERER_H
+
+#include "Qt3DSOffscreenRenderManager.h"
+#include "Qt3DSRenderContextCore.h"
+#include "q3dssurfaceviewer.h"
+
+#include <QtGui/qopenglshaderprogram.h>
+#include <QtGui/qopenglvertexarrayobject.h>
+#include <QtGui/qopenglbuffer.h>
+#include <QtGui/qoffscreensurface.h>
+#include <QtGui/qopenglcontext.h>
+#include <QtCore/qscopedpointer.h>
+
+class RendererThread;
+
+class StudioSubpresentationRenderer : public qt3ds::render::IOffscreenRenderer
+{
+public:
+    StudioSubpresentationRenderer(qt3ds::render::IQt3DSRenderContext &inRenderContext,
+                                  const QString &id, const QString &presentation,
+                                  const QString &path);
+    ~StudioSubpresentationRenderer();
+
+    void addRef() override
+    {
+        qt3ds::render::atomicIncrement(&mRefCount);
+    }
+    void release() override
+    {
+        qt3ds::render::QT3DSI32 value = qt3ds::render::atomicDecrement(&mRefCount);
+        if (value <= 0)
+            qt3ds::render::NVDelete(m_renderContext.GetAllocator(), this);
+    }
+
+    qt3ds::render::CRegisteredString GetOffscreenRendererType() override;
+    qt3ds::render::SOffscreenRendererEnvironment
+    GetDesiredEnvironment(qt3ds::render::QT3DSVec2 inPresentationScaleFactor) override;
+
+    qt3ds::render::SOffscreenRenderFlags NeedsRender(
+            const qt3ds::render::SOffscreenRendererEnvironment &inEnvironment,
+            qt3ds::render::QT3DSVec2 inPresentationScaleFactor,
+            const qt3ds::render::SRenderInstanceId instanceId) override;
+
+    void Render(const qt3ds::render::SOffscreenRendererEnvironment &inEnvironment,
+                qt3ds::render::NVRenderContext &inRenderContext,
+                qt3ds::render::QT3DSVec2 inPresentationScaleFactor,
+                qt3ds::render::SScene::RenderClearCommand inColorBufferNeedsClear,
+                const qt3ds::render::SRenderInstanceId instanceId) override;
+    void RenderWithClear(const qt3ds::render::SOffscreenRendererEnvironment &inEnvironment,
+                         qt3ds::render::NVRenderContext &inRenderContext,
+                         qt3ds::render::QT3DSVec2 inPresentationScaleFactor,
+                         qt3ds::render::SScene::RenderClearCommand inColorBufferNeedsClear,
+                         qt3ds::render::QT3DSVec4 inclearColor,
+                         const qt3ds::render::SRenderInstanceId instanceId) override;
+
+    qt3ds::render::IGraphObjectPickQuery *GetGraphObjectPickQuery(
+            const qt3ds::render::SRenderInstanceId instanceId) override
+    {
+        Q_UNUSED(instanceId);
+        return nullptr;
+    }
+
+    bool Pick(const qt3ds::render::QT3DSVec2 &inMouseCoords,
+              const qt3ds::render::QT3DSVec2 &inViewportDimensions,
+              const qt3ds::render::SRenderInstanceId instanceId) override
+    {
+        Q_UNUSED(inMouseCoords);
+        Q_UNUSED(inViewportDimensions);
+        Q_UNUSED(instanceId);
+        return false;
+    }
+
+    void addCallback(IOffscreenRendererCallback *cb) override
+    {
+        m_callback = cb;
+    }
+
+private:
+    void initializeFboCopy();
+    void initialize();
+
+    qt3ds::render::IQt3DSRenderContext &m_renderContext;
+    QString m_id;
+    QString m_presentation;
+    QString m_path;
+
+    QScopedPointer<RendererThread> m_thread;
+    QOpenGLShaderProgram *m_program;
+    QOpenGLVertexArrayObject *m_vao;
+    QOpenGLBuffer *m_vertices;
+    IOffscreenRendererCallback *m_callback;
+    qt3ds::render::CRegisteredString m_rendererType;
+    volatile qt3ds::render::QT3DSI32 mRefCount;
+};
+
+#endif