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Diffstat (limited to 'src/Runtime/Source/runtimerender/Qt3DSRenderSubpresentation.cpp')
| -rw-r--r-- | src/Runtime/Source/runtimerender/Qt3DSRenderSubpresentation.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/Runtime/Source/runtimerender/Qt3DSRenderSubpresentation.cpp b/src/Runtime/Source/runtimerender/Qt3DSRenderSubpresentation.cpp new file mode 100644 index 00000000..cd83f036 --- /dev/null +++ b/src/Runtime/Source/runtimerender/Qt3DSRenderSubpresentation.cpp @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** 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*/) + { + // If we aren't using a clear color, then we are expected to blend with the background + bool hasTransparency = m_Presentation.m_Scene->m_UseClearColor ? false : true; + NVRenderTextureFormats::Enum format = + hasTransparency ? NVRenderTextureFormats::RGBA8 : NVRenderTextureFormats::RGB8; + 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 hasTransparency = m_Presentation.m_Scene->m_UseClearColor ? false : true; + NVRenderRect theViewportSize(m_RenderContext.GetRenderList().GetViewport()); + bool wasDirty = m_Presentation.m_Scene->PrepareForRender( + QT3DSVec2((QT3DSF32)theViewportSize.m_Width, (QT3DSF32)theViewportSize.m_Height), + m_RenderContext, instanceId); + return SOffscreenRenderFlags(hasTransparency, 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) + { + SSubPresentationHelper theHelper( + m_RenderContext, + QSize((QT3DSU32)inEnvironment.m_Width, (QT3DSU32)inEnvironment.m_Height)); + 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, QT3DSVec3 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; + } +} +} |