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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "Qt3DSRenderSubpresentation.h"
#include "Qt3DSRenderRenderList.h"
#ifdef _WIN32
#pragma warning(disable : 4355) // this used in initializer list. I have never seen this result in
// a physical error
#endif
namespace qt3ds {
namespace render {
Qt3DSRenderPickResult CSubPresentationPickQuery::Pick(const QT3DSVec2 &inMouseCoords,
const QT3DSVec2 &inViewportDimensions,
bool inPickEverything)
{
return m_Renderer.DoGraphQueryPick(inMouseCoords, inViewportDimensions, inPickEverything);
}
CSubPresentationRenderer::CSubPresentationRenderer(IQt3DSRenderContext &inRenderContext,
SPresentation &inPresentation)
: m_RenderContext(inRenderContext)
, m_Presentation(inPresentation)
, mRefCount(0)
, m_PickQuery(*this)
, m_OffscreenRendererType(inRenderContext.GetStringTable().RegisterStr(GetRendererName()))
{
}
SOffscreenRendererEnvironment
CSubPresentationRenderer::GetDesiredEnvironment(QT3DSVec2 /*inPresScale*/)
{
NVRenderTextureFormats::Enum format = NVRenderTextureFormats::RGBA8;
return SOffscreenRendererEnvironment((QT3DSU32)(m_Presentation.m_PresentationDimensions.x),
(QT3DSU32)(m_Presentation.m_PresentationDimensions.y),
format, OffscreenRendererDepthValues::Depth16, false,
AAModeValues::NoAA);
}
SOffscreenRenderFlags
CSubPresentationRenderer::NeedsRender(const SOffscreenRendererEnvironment & /*inEnvironment*/,
QT3DSVec2 /*inPresScale*/,
const SRenderInstanceId instanceId)
{
bool wasDirty = m_Presentation.m_Scene->PrepareForRender(m_RenderContext, instanceId);
// Always transparent
return SOffscreenRenderFlags(true, wasDirty);
}
// Returns true if the rendered result image has transparency, or false
// if it should be treated as a completely opaque image.
void CSubPresentationRenderer::Render(const SOffscreenRendererEnvironment &inEnvironment,
NVRenderContext &inRenderContext, QT3DSVec2,
SScene::RenderClearCommand inClearColorBuffer,
const SRenderInstanceId instanceId)
{
NVRenderRect theViewportSize(inRenderContext.GetViewport());
m_Presentation.m_Scene->Render(
QT3DSVec2((QT3DSF32)theViewportSize.m_Width, (QT3DSF32)theViewportSize.m_Height),
m_RenderContext, inClearColorBuffer, instanceId);
m_LastRenderedEnvironment = inEnvironment;
}
void CSubPresentationRenderer::RenderWithClear(
const SOffscreenRendererEnvironment &inEnvironment,
NVRenderContext &inRenderContext, QT3DSVec2 inPresScale,
SScene::RenderClearCommand inClearBuffer, QT3DSVec4 inClearColor,
const SRenderInstanceId id)
{
Q_UNUSED(inEnvironment);
Q_UNUSED(inPresScale);
NVRenderRect theViewportSize(inRenderContext.GetViewport());
m_Presentation.m_Scene->RenderWithClear(
QT3DSVec2((QT3DSF32)theViewportSize.m_Width, (QT3DSF32)theViewportSize.m_Height),
m_RenderContext, inClearBuffer, inClearColor, id);
}
// You know the viewport dimensions because
Qt3DSRenderPickResult CSubPresentationRenderer::DoGraphQueryPick(
const QT3DSVec2 &inMouseCoords, const QT3DSVec2 &inViewportDimensions, bool inPickEverything)
{
Qt3DSRenderPickResult thePickResult;
if (m_Presentation.m_Scene && m_Presentation.m_Scene->m_FirstChild) {
thePickResult = m_RenderContext.GetRenderer().Pick(
*m_Presentation.m_Scene->m_FirstChild, inViewportDimensions,
QT3DSVec2(inMouseCoords.x, inMouseCoords.y), true, inPickEverything);
}
return thePickResult;
}
}
}
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