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Diffstat (limited to 'src/Authoring/Studio/Render/WGLRenderContext.cpp')
| -rw-r--r-- | src/Authoring/Studio/Render/WGLRenderContext.cpp | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/src/Authoring/Studio/Render/WGLRenderContext.cpp b/src/Authoring/Studio/Render/WGLRenderContext.cpp deleted file mode 100644 index 57428631..00000000 --- a/src/Authoring/Studio/Render/WGLRenderContext.cpp +++ /dev/null @@ -1,243 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 1999-2001 NVIDIA Corporation. -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "Qt3DSCommonPrecompile.h" - -#include "WGLRenderContext.h" -#include "foundation/TrackingAllocator.h" -#include "foundation/Qt3DSFoundation.h" -#include "render/Qt3DSRenderContext.h" -#include "EASTL/string.h" -#include "foundation/Qt3DSLogging.h" - -#include <QtGui/QOpenGLContext> -#include <QtGui/QSurfaceFormat> -#include <QtWidgets/qopenglwidget.h> - -//QT3DS_DEFINE_THISFILE; - -//============================================================================= -/** - * Constructor: Creates the object - */ -CWGLRenderContext::CWGLRenderContext(Qt3DSWindow inWindow) - : m_qtContext(0) - , m_Foundation(Q3DStudio::Foundation::SStudioFoundation::Create()) -{ - Open(inWindow); -} - -//============================================================================= -/** - * Destructor: Destroys the object. - */ -CWGLRenderContext::~CWGLRenderContext() -{ - Close(); -} - -//============================================================================= -/** - * Open the render context. - * @param inRenderWindow window handle - * @param inWindowSize window size - */ -void CWGLRenderContext::Open(Qt3DSWindow inRenderWindow) -{ - // needed because NVidia cards will fail all the system functions below if there is no window. - // note: the only time inRenderWindow is nullptr is when CThumbnailGenerator is used. Bug3075. - if (!inRenderWindow) - return; - - QObject* qObject = static_cast<QObject*>(inRenderWindow); - QOpenGLWidget* qRenderWidget = qobject_cast<QOpenGLWidget*>(qObject); - Q_ASSERT(qRenderWidget); - - OpenNormalContext(qRenderWidget); -} - -static bool compareContextVersion(QSurfaceFormat a, QSurfaceFormat b) -{ - if (a.renderableType() != b.renderableType()) - return false; - if (a.majorVersion() != b.majorVersion()) - return false; - if (a.minorVersion() > b.minorVersion()) - return false; - return true; -} - -QSurfaceFormat CWGLRenderContext::selectSurfaceFormat(QOpenGLWidget *window) -{ -#if defined(Q_OS_MACOS) - Q_UNUSED(window) - QSurfaceFormat openGL33Format; - openGL33Format.setRenderableType(QSurfaceFormat::OpenGL); - openGL33Format.setProfile(QSurfaceFormat::CoreProfile); - openGL33Format.setMajorVersion(3); - openGL33Format.setMinorVersion(3); - openGL33Format.setStencilBufferSize(8); - QSurfaceFormat::setDefaultFormat(openGL33Format); - return openGL33Format; -#else - struct ContextVersion { - int major; - int minor; - qt3ds::render::NVRenderContextType contextType; - }; - - ContextVersion versions[] = { - {4, 5, qt3ds::render::NVRenderContextValues::GL4}, - {4, 4, qt3ds::render::NVRenderContextValues::GL4}, - {4, 3, qt3ds::render::NVRenderContextValues::GL4}, - {4, 2, qt3ds::render::NVRenderContextValues::GL4}, - {4, 1, qt3ds::render::NVRenderContextValues::GL4}, - {3, 3, qt3ds::render::NVRenderContextValues::GL3}, - {2, 1, qt3ds::render::NVRenderContextValues::GL2}, - {2, 0, qt3ds::render::NVRenderContextValues::GLES2}, - {0, 0, qt3ds::render::NVRenderContextValues::NullContext} - }; - - QSurfaceFormat result = window->format(); - bool valid = false; - - for (const auto& ver : versions) { - if (ver.contextType == qt3ds::render::NVRenderContextValues::NullContext) - break; - - // make an offscreen surface + context to query version - QScopedPointer<QOffscreenSurface> offscreenSurface(new QOffscreenSurface); - - QSurfaceFormat format = window->format(); - if (ver.contextType == qt3ds::render::NVRenderContextValues::GLES2) { - format.setRenderableType(QSurfaceFormat::OpenGLES); - } else { - format.setRenderableType(QSurfaceFormat::OpenGL); - if (ver.major >= 2) - format.setProfile(QSurfaceFormat::CoreProfile); - } - format.setMajorVersion(ver.major); - format.setMinorVersion(ver.minor); - format.setDepthBufferSize(24); - format.setStencilBufferSize(8); - - offscreenSurface->setFormat(format); - offscreenSurface->create(); - Q_ASSERT(offscreenSurface->isValid()); - - QScopedPointer<QOpenGLContext> queryContext(new QOpenGLContext); - queryContext->setFormat(format); - if (queryContext->create() && compareContextVersion(format, queryContext->format())) { - valid = true; - result = format; - break; - } - } // of version test iteration - - if (!valid) { - qFatal("Unable to select suitable OpenGL context"); - } - - qDebug() << Q_FUNC_INFO << "selected surface format:" << result; - QSurfaceFormat::setDefaultFormat(result); - return result; -#endif -} - -//============================================================================= -/** - * Open a non-multisample render context. - * @param inRenderWindow window handle - * @param inWindowSize window size - * @param inPixelDesc the pixel descriptor struct - */ -void CWGLRenderContext::OpenNormalContext(QOpenGLWidget* inRenderWindow) -{ - // Close before trying to open - Close(); - - // Save off the window - m_Window = inRenderWindow; - m_qtContext = m_Window->context(); - Q_ASSERT(m_qtContext); - - qt3ds::foundation::NVScopedRefCounted<qt3ds::foundation::IStringTable> theStringTable = - qt3ds::foundation::IStringTable::CreateStringTable(*m_Foundation.m_AllocatorCallback); - QSurfaceFormat contextFormat = m_qtContext->format(); - m_RenderContext = NVScopedRefCounted<NVRenderContext>( - NVRenderContext::CreateGL(*m_Foundation.m_Foundation, *theStringTable, - contextFormat)); - if (m_RenderContext) { - m_RenderContext->SetDefaultDepthBufferBitCount(contextFormat.depthBufferSize()); - m_RenderContext->SetDefaultRenderTarget(inRenderWindow->defaultFramebufferObject()); - } -} - -//============================================================================= -/** - * Close the render context. - */ -void CWGLRenderContext::Close() -{ - m_qtContext = 0; -} - -//============================================================================= -/** - * Prepare the render context to begin rendering. - */ -void CWGLRenderContext::BeginRender() -{ - m_Window->makeCurrent(); - if (m_lastWidgetFBO != m_Window->defaultFramebufferObject()) { - m_lastWidgetFBO = m_Window->defaultFramebufferObject(); - m_RenderContext->SetDefaultRenderTarget(m_lastWidgetFBO); - } -} - -//============================================================================= -/** - * Finalize the rendering of this frame, and present the result. - */ -void CWGLRenderContext::EndRender() -{ - m_Window->doneCurrent(); -} - -void CWGLRenderContext::resized() -{ - if (m_RenderContext) { - m_RenderContext->SetDefaultRenderTarget(m_Window->defaultFramebufferObject()); - } -} - -void CWGLRenderContext::requestRender() -{ - m_Window->update(); -} |