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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/source/engine/opengl/TransitionerImpl.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/source/engine/opengl/TransitionerImpl.cxx')
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diff --git a/slideshow/source/engine/opengl/TransitionerImpl.cxx b/slideshow/source/engine/opengl/TransitionerImpl.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include <sal/types.h>
+
+#include <memory>
+
+#include <com/sun/star/beans/XFastPropertySet.hpp>
+#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
+#include <com/sun/star/rendering/ColorComponentTag.hpp>
+#include <com/sun/star/rendering/ColorSpaceType.hpp>
+#include <com/sun/star/rendering/RenderingIntent.hpp>
+#include <com/sun/star/util/Endianness.hpp>
+#include <com/sun/star/animations/TransitionType.hpp>
+#undef IN
+#undef OUT
+#include <com/sun/star/animations/TransitionSubType.hpp>
+#include <com/sun/star/presentation/XTransitionFactory.hpp>
+#include <com/sun/star/presentation/XTransition.hpp>
+#include <com/sun/star/presentation/XSlideShowView.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <com/sun/star/geometry/IntegerSize2D.hpp>
+
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/factory.hxx>
+#include <rtl/ref.hxx>
+#include <sal/log.hxx>
+
+#include <comphelper/servicedecl.hxx>
+
+#include <canvas/canvastools.hxx>
+
+#include <tools/diagnose_ex.h>
+
+#include <vcl/canvastools.hxx>
+#include <vcl/opengl/OpenGLContext.hxx>
+#include <vcl/opengl/OpenGLHelper.hxx>
+#include <vcl/window.hxx>
+
+#include "TransitionImpl.hxx"
+
+#if OSL_DEBUG_LEVEL > 0
+#include <chrono>
+#endif
+
+using namespace ::com::sun::star;
+using ::com::sun::star::beans::XFastPropertySet;
+using ::com::sun::star::uno::Any;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::Sequence;
+using ::com::sun::star::uno::UNO_QUERY;
+using ::com::sun::star::uno::UNO_QUERY_THROW;
+
+namespace
+{
+
+typedef cppu::WeakComponentImplHelper<presentation::XTransition> OGLTransitionerImplBase;
+
+#if OSL_DEBUG_LEVEL > 0
+class TimerContext
+{
+public:
+ explicit TimerContext(OUString const& rWhat)
+ : m_aWhat(rWhat)
+ , m_StartTime(std::chrono::steady_clock::now())
+ {
+ }
+ ~TimerContext()
+ {
+ auto const aDuration(std::chrono::steady_clock::now() - m_StartTime);
+ SAL_INFO("slideshow.opengl", m_aWhat << " took: " << std::chrono::duration_cast<std::chrono::microseconds>(aDuration).count());
+ }
+private:
+ OUString const m_aWhat;
+ std::chrono::steady_clock::time_point const m_StartTime;
+};
+#endif
+
+struct OGLFormat
+{
+ GLint nInternalFormat;
+ GLenum eFormat;
+ GLenum eType;
+};
+
+/* channel ordering: (0:rgba, 1:bgra, 2:argb, 3:abgr)
+ */
+int calcComponentOrderIndex(const uno::Sequence<sal_Int8>& rTags)
+{
+ using namespace rendering::ColorComponentTag;
+
+ static const sal_Int8 aOrderTable[] =
+ {
+ RGB_RED, RGB_GREEN, RGB_BLUE, ALPHA,
+ RGB_BLUE, RGB_GREEN, RGB_RED, ALPHA,
+ ALPHA, RGB_RED, RGB_GREEN, RGB_BLUE,
+ ALPHA, RGB_BLUE, RGB_GREEN, RGB_RED,
+ };
+
+ const sal_Int32 nNumComps(rTags.getLength());
+ const sal_Int8* pLine=aOrderTable;
+ for(int i=0; i<4; ++i)
+ {
+ int j=0;
+ while( j<4 && j<nNumComps && pLine[j] == rTags[j] )
+ ++j;
+
+ // all of the line passed, this is a match!
+ if( j==nNumComps )
+ return i;
+
+ pLine+=4;
+ }
+
+ return -1;
+}
+
+/** This is the Transitioner class for OpenGL 3D transitions in
+ * slideshow. This class is implicitly
+ * constructed from XTransitionFactory.
+*/
+class OGLTransitionerImpl : private cppu::BaseMutex, public OGLTransitionerImplBase
+{
+public:
+ OGLTransitionerImpl();
+ OGLTransitionerImpl(const OGLTransitionerImpl&) = delete;
+ OGLTransitionerImpl& operator=(const OGLTransitionerImpl&) = delete;
+ bool setTransition( const std::shared_ptr<OGLTransitionImpl>& pOGLTransition );
+ bool initialize( const Reference< presentation::XSlideShowView >& xView,
+ const Reference< rendering::XBitmap >& xLeavingSlide,
+ const Reference< rendering::XBitmap >& xEnteringSlide );
+
+ // XTransition
+ virtual void SAL_CALL update( double nTime ) override;
+ virtual void SAL_CALL viewChanged( const Reference< presentation::XSlideShowView >& rView,
+ const Reference< rendering::XBitmap >& rLeavingBitmap,
+ const Reference< rendering::XBitmap >& rEnteringBitmap ) override;
+
+protected:
+ void disposeTextures();
+
+ // WeakComponentImplHelperBase
+ virtual void SAL_CALL disposing() override;
+
+ bool isDisposed() const
+ {
+ return (rBHelper.bDisposed || rBHelper.bInDispose);
+ }
+
+ void createTexture( GLuint* texID,
+ bool useMipmap,
+ uno::Sequence<sal_Int8>& data,
+ const OGLFormat* pFormat );
+ const OGLFormat* chooseFormats();
+
+private:
+ void impl_initializeFlags( bool const bGLXPresent );
+
+ void impl_dispose();
+
+ void setSlides( const Reference< rendering::XBitmap >& xLeavingSlide , const uno::Reference< rendering::XBitmap >& xEnteringSlide );
+ void impl_prepareSlides();
+
+ void impl_createTexture( bool useMipmap, uno::Sequence<sal_Int8>& data, const OGLFormat* pFormat );
+
+ bool initWindowFromSlideShowView( const uno::Reference< presentation::XSlideShowView >& xView );
+ /** After the window has been created, and the slides have been set, we'll initialize the slides with OpenGL.
+ */
+ void GLInitSlides();
+
+ bool impl_prepareTransition();
+
+private:
+ rtl::Reference<OpenGLContext> mpContext;
+
+ /** OpenGL handle to the leaving slide's texture
+ */
+ GLuint maLeavingSlideGL;
+ /** OpenGL handle to the entering slide's texture
+ */
+ GLuint maEnteringSlideGL;
+
+ Reference< presentation::XSlideShowView > mxView;
+ Reference< rendering::XIntegerBitmap > mxLeavingBitmap;
+ Reference< rendering::XIntegerBitmap > mxEnteringBitmap;
+
+ /** raw bytes of the entering bitmap
+ */
+ uno::Sequence<sal_Int8> maEnteringBytes;
+
+ /** raw bytes of the leaving bitmap
+ */
+ uno::Sequence<sal_Int8> maLeavingBytes;
+
+ bool mbRestoreSync;
+
+ /** the form the raw bytes are in for the bitmaps
+ */
+ rendering::IntegerBitmapLayout maSlideBitmapLayout;
+
+ /** the size of the slides
+ */
+ geometry::IntegerSize2D maSlideSize;
+
+ /** Our Transition to be used.
+ */
+ std::shared_ptr<OGLTransitionImpl> mpTransition;
+
+public:
+ /** whether we are running on ATI fglrx with bug related to textures
+ */
+ bool mbBrokenTexturesATI;
+
+ /** GL version
+ */
+ float mnGLVersion;
+
+ /**
+ Whether the display has GLX extension on X11, always true otherwise (?)
+ */
+ bool mbValidOpenGLContext;
+
+#if OSL_DEBUG_LEVEL > 0
+ std::chrono::steady_clock::time_point m_UpdateStartTime;
+ std::chrono::steady_clock::time_point m_UpdateEndTime;
+ std::chrono::steady_clock::time_point m_StartTime;
+ std::chrono::steady_clock::time_point m_EndTime;
+ std::chrono::steady_clock::duration m_TotalUpdateDuration;
+ int mnFrameCount;
+#endif
+};
+
+bool OGLTransitionerImpl::initialize( const Reference< presentation::XSlideShowView >& xView,
+ const Reference< rendering::XBitmap >& xLeavingSlide,
+ const Reference< rendering::XBitmap >& xEnteringSlide )
+{
+ bool const bValidContext( initWindowFromSlideShowView( xView ) );
+ impl_initializeFlags( bValidContext );
+
+ setSlides( xLeavingSlide, xEnteringSlide );
+
+ CHECK_GL_ERROR();
+ return mbValidOpenGLContext;
+}
+
+void OGLTransitionerImpl::impl_initializeFlags( bool const bValidContext )
+{
+ CHECK_GL_ERROR();
+ mbValidOpenGLContext = bValidContext;
+ if ( bValidContext ) {
+ mnGLVersion = OpenGLHelper::getGLVersion();
+ SAL_INFO("slideshow.opengl", "GL version: " << mnGLVersion << "" );
+
+#if defined( UNX ) && !defined( MACOSX )
+ const GLubyte* vendor = glGetString( GL_VENDOR );
+ /* TODO: check for version once the bug in fglrx driver is fixed */
+ mbBrokenTexturesATI = (vendor && strcmp( reinterpret_cast<const char *>(vendor), "ATI Technologies Inc." ) == 0 );
+#endif
+ }
+ CHECK_GL_ERROR();
+}
+
+bool OGLTransitionerImpl::initWindowFromSlideShowView( const Reference< presentation::XSlideShowView >& xView )
+{
+ osl::MutexGuard const guard( m_aMutex );
+
+ if (isDisposed())
+ return false;
+
+ mxView = xView;
+ if( !mxView.is() )
+ return false;
+
+#if OSL_DEBUG_LEVEL > 0
+ TimerContext aTimerContext("initWindowFromSlideShowView");
+#endif
+
+ /// take the XSlideShowView and extract the parent window from it. see viewmediashape.cxx
+ uno::Reference< rendering::XCanvas > xCanvas(mxView->getCanvas(), uno::UNO_QUERY_THROW);
+ uno::Sequence< uno::Any > aDeviceParams;
+ ::canvas::tools::getDeviceInfo( xCanvas, aDeviceParams );
+
+ OUString aImplName;
+ aDeviceParams[ 0 ] >>= aImplName;
+
+ sal_Int64 aVal = 0;
+ aDeviceParams[1] >>= aVal;
+
+ mpContext = OpenGLContext::Create();
+
+ if( !mpContext->init( reinterpret_cast< vcl::Window* >( aVal ) ) ) {
+ mpContext->requestLegacyContext();
+ if( !mpContext->init( reinterpret_cast< vcl::Window* >( aVal ) ) )
+ return false;
+ }
+ SAL_INFO("slideshow.opengl", "created the context");
+
+ mpContext->makeCurrent();
+ CHECK_GL_ERROR();
+
+ awt::Rectangle aCanvasArea = mxView->getCanvasArea();
+ mpContext->setWinPosAndSize(Point(aCanvasArea.X, aCanvasArea.Y), Size(aCanvasArea.Width, aCanvasArea.Height));
+ SAL_INFO("slideshow.opengl", "canvas area: " << aCanvasArea.X << "," << aCanvasArea.Y << " - " << aCanvasArea.Width << "x" << aCanvasArea.Height);
+
+ CHECK_GL_ERROR();
+ glEnable(GL_CULL_FACE);
+ CHECK_GL_ERROR();
+ glCullFace(GL_BACK);
+ CHECK_GL_ERROR();
+ glClearColor (0, 0, 0, 0);
+ CHECK_GL_ERROR();
+ glClear(GL_COLOR_BUFFER_BIT);
+ CHECK_GL_ERROR();
+
+ mpContext->swapBuffers();
+
+ CHECK_GL_ERROR();
+
+ return true;
+}
+
+void OGLTransitionerImpl::setSlides( const uno::Reference< rendering::XBitmap >& xLeavingSlide,
+ const uno::Reference< rendering::XBitmap >& xEnteringSlide )
+{
+ osl::MutexGuard const guard( m_aMutex );
+
+ if (isDisposed())
+ return;
+
+ mxLeavingBitmap.set( xLeavingSlide , UNO_QUERY_THROW );
+ mxEnteringBitmap.set( xEnteringSlide , UNO_QUERY_THROW );
+
+ maSlideSize = mxLeavingBitmap->getSize();
+ SAL_INFO("slideshow.opengl", "leaving bitmap area: " << maSlideSize.Width << "x" << maSlideSize.Height);
+ maSlideSize = mxEnteringBitmap->getSize();
+ SAL_INFO("slideshow.opengl", "entering bitmap area: " << maSlideSize.Width << "x" << maSlideSize.Height);
+
+ //to avoid annoying flashing under X entering and leaving slides with opengl effects set the leaving
+ //bitmap as the background pixmap of the opengl child window and the entering bitmap as the background
+ //pixmap of the non-opengl parent window. If any expose events occur around the start and end of
+ //the transition then those windows are default filled by X with the desired start/end image so there's
+ //no visible flash
+ SystemChildWindow* pChildWindow = mpContext->getChildWindow();
+ if (!pChildWindow)
+ return;
+
+ css::uno::Reference<css::beans::XFastPropertySet> xEnteringFastPropertySet(mxEnteringBitmap, css::uno::UNO_QUERY);
+ css::uno::Reference<css::beans::XFastPropertySet> xLeavingFastPropertySet(mxLeavingBitmap, css::uno::UNO_QUERY);
+ css::uno::Sequence<css::uno::Any> aEnteringBitmap;
+ css::uno::Sequence<css::uno::Any> aLeavingBitmap;
+ if (xEnteringFastPropertySet && xLeavingFastPropertySet)
+ {
+ xEnteringFastPropertySet->getFastPropertyValue(1) >>= aEnteringBitmap;
+ xLeavingFastPropertySet->getFastPropertyValue(1) >>= aLeavingBitmap;
+ }
+ if (aEnteringBitmap.getLength() == 3 && aLeavingBitmap.getLength() == 3)
+ pChildWindow->SetLeaveEnterBackgrounds(aLeavingBitmap, aEnteringBitmap);
+}
+
+
+void OGLTransitionerImpl::impl_prepareSlides()
+{
+ geometry::IntegerRectangle2D aSlideRect;
+ aSlideRect.X1 = 0;
+ aSlideRect.X2 = maSlideSize.Width;
+ aSlideRect.Y1 = 0;
+ aSlideRect.Y2 = maSlideSize.Height;
+
+ CHECK_GL_ERROR();
+ mpContext->sync();
+ CHECK_GL_ERROR();
+
+ maLeavingBytes = mxLeavingBitmap->getData(maSlideBitmapLayout, aSlideRect);
+ maEnteringBytes = mxEnteringBitmap->getData(maSlideBitmapLayout, aSlideRect);
+
+ CHECK_GL_ERROR();
+ GLInitSlides();
+
+ SAL_WARN_IF(maSlideBitmapLayout.PlaneStride != 0, "slideshow.opengl","only handle no plane stride now");
+
+ mpContext->sync();
+
+ CHECK_GL_ERROR();
+
+ // synchronized X still gives us much smoother play
+ // I suspect some issues in above code in slideshow
+ // synchronize whole transition for now
+ const GLWindow& rGLWindow(mpContext->getOpenGLWindow());
+ mbRestoreSync = rGLWindow.Synchronize(true);
+}
+
+bool OGLTransitionerImpl::impl_prepareTransition()
+{
+ if( mpTransition && mpTransition->getSettings().mnRequiredGLVersion <= mnGLVersion )
+ return mpTransition->prepare( maLeavingSlideGL, maEnteringSlideGL, mpContext.get() );
+ return false;
+}
+
+bool OGLTransitionerImpl::setTransition( const std::shared_ptr<OGLTransitionImpl>& pTransition )
+{
+ if ( mpTransition ) // already initialized
+ return true;
+
+ mpTransition = pTransition;
+
+ mpContext->makeCurrent();
+ CHECK_GL_ERROR();
+
+ bool succeeded = impl_prepareTransition();
+ if (!succeeded) {
+ mpTransition = nullptr;
+ return false;
+ }
+
+ impl_prepareSlides();
+ return true;
+}
+
+void OGLTransitionerImpl::createTexture( GLuint* texID,
+ bool useMipmap,
+ uno::Sequence<sal_Int8>& data,
+ const OGLFormat* pFormat )
+{
+ CHECK_GL_ERROR();
+ glDeleteTextures( 1, texID );
+ glGenTextures( 1, texID );
+ glBindTexture( GL_TEXTURE_2D, *texID );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER );
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER );
+ CHECK_GL_ERROR();
+
+ impl_createTexture( useMipmap, data, pFormat );
+
+ SAL_WARN_IF(!glIsTexture(*texID), "slideshow.opengl", "Can't generate Leaving slide textures in OpenGL");
+ CHECK_GL_ERROR();
+}
+
+class OGLColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
+{
+private:
+ uno::Sequence< sal_Int8 > maComponentTags;
+ uno::Sequence< sal_Int32 > maBitCounts;
+
+ virtual sal_Int8 SAL_CALL getType( ) override
+ {
+ return rendering::ColorSpaceType::RGB;
+ }
+ virtual uno::Sequence< sal_Int8 > SAL_CALL getComponentTags( ) override
+ {
+ return maComponentTags;
+ }
+ virtual sal_Int8 SAL_CALL getRenderingIntent( ) override
+ {
+ return rendering::RenderingIntent::PERCEPTUAL;
+ }
+ virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
+ {
+ return uno::Sequence< beans::PropertyValue >();
+ }
+ virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::RGBColor(pIn[0],pIn[1],pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(pIn[3],pIn[0],pIn[1],pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(pIn[3],pIn[3]*pIn[0],pIn[3]*pIn[1],pIn[3]*pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const sal_Int32 nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( const rendering::RGBColor& rIn : rgbColor )
+ {
+ *pColors++ = rIn.Red;
+ *pColors++ = rIn.Green;
+ *pColors++ = rIn.Blue;
+ *pColors++ = 1.0;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const sal_Int32 nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( const rendering::ARGBColor& rIn : rgbColor )
+ {
+ *pColors++ = rIn.Red;
+ *pColors++ = rIn.Green;
+ *pColors++ = rIn.Blue;
+ *pColors++ = rIn.Alpha;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const sal_Int32 nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( const rendering::ARGBColor& rIn : rgbColor )
+ {
+ *pColors++ = rIn.Red/rIn.Alpha;
+ *pColors++ = rIn.Green/rIn.Alpha;
+ *pColors++ = rIn.Blue/rIn.Alpha;
+ *pColors++ = rIn.Alpha;
+ }
+ return aRes;
+ }
+
+ // XIntegerBitmapColorSpace
+ virtual sal_Int32 SAL_CALL getBitsPerPixel( ) override
+ {
+ return 32;
+ }
+ virtual uno::Sequence< sal_Int32 > SAL_CALL getComponentBitCounts( ) override
+ {
+ return maBitCounts;
+ }
+ virtual sal_Int8 SAL_CALL getEndianness( ) override
+ {
+ return util::Endianness::LITTLE;
+ }
+ virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<OGLColorSpace*>(targetColorSpace.get()) )
+ {
+ const sal_Int32 nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence<double> aRes(nLen);
+ std::transform(deviceColor.begin(), deviceColor.end(), aRes.begin(),
+ vcl::unotools::toDoubleColor);
+ return aRes;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ }
+ virtual uno::Sequence< sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<OGLColorSpace*>(targetColorSpace.get()) )
+ {
+ // it's us, so simply pass-through the data
+ return deviceColor;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertIntegerFromARGB(aIntermediate);
+ }
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::RGBColor(
+ vcl::unotools::toDoubleColor(pIn[0]),
+ vcl::unotools::toDoubleColor(pIn[1]),
+ vcl::unotools::toDoubleColor(pIn[2]));
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(
+ vcl::unotools::toDoubleColor(pIn[3]),
+ vcl::unotools::toDoubleColor(pIn[0]),
+ vcl::unotools::toDoubleColor(pIn[1]),
+ vcl::unotools::toDoubleColor(pIn[2]));
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< sal_Int8 >& deviceColor ) override
+ {
+ const sal_Int8* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ const sal_Int8 nAlpha( pIn[3] );
+ *pOut++ = rendering::ARGBColor(
+ vcl::unotools::toDoubleColor(nAlpha),
+ vcl::unotools::toDoubleColor(nAlpha*pIn[0]),
+ vcl::unotools::toDoubleColor(nAlpha*pIn[1]),
+ vcl::unotools::toDoubleColor(nAlpha*pIn[2]));
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const sal_Int32 nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( const rendering::RGBColor& rIn : rgbColor )
+ {
+ *pColors++ = vcl::unotools::toByteColor(rIn.Red);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Green);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Blue);
+ *pColors++ = -1;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const sal_Int32 nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( const rendering::ARGBColor& rIn : rgbColor )
+ {
+ *pColors++ = vcl::unotools::toByteColor(rIn.Red);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Green);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Blue);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Alpha);
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const sal_Int32 nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( const rendering::ARGBColor& rIn : rgbColor )
+ {
+ *pColors++ = vcl::unotools::toByteColor(rIn.Red/rIn.Alpha);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Green/rIn.Alpha);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Blue/rIn.Alpha);
+ *pColors++ = vcl::unotools::toByteColor(rIn.Alpha);
+ }
+ return aRes;
+ }
+
+public:
+ OGLColorSpace() :
+ maComponentTags(4),
+ maBitCounts(4)
+ {
+ sal_Int8* pTags = maComponentTags.getArray();
+ sal_Int32* pBitCounts = maBitCounts.getArray();
+ pTags[0] = rendering::ColorComponentTag::RGB_RED;
+ pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
+ pTags[2] = rendering::ColorComponentTag::RGB_BLUE;
+ pTags[3] = rendering::ColorComponentTag::ALPHA;
+
+ pBitCounts[0] =
+ pBitCounts[1] =
+ pBitCounts[2] =
+ pBitCounts[3] = 8;
+ }
+};
+
+struct OGLColorSpaceHolder : public rtl::StaticWithInit<uno::Reference<rendering::XIntegerBitmapColorSpace>, OGLColorSpaceHolder>
+{
+ uno::Reference<rendering::XIntegerBitmapColorSpace> operator()()
+ {
+ return new OGLColorSpace();
+ }
+};
+
+uno::Reference<rendering::XIntegerBitmapColorSpace> const &
+getOGLColorSpace()
+{
+ return OGLColorSpaceHolder::get();
+}
+
+void buildMipmaps(
+ GLint internalFormat, GLsizei width, GLsizei height, GLenum format,
+ GLenum type, const void * data)
+{
+ if (epoxy_has_gl_extension("GL_ARB_framebuffer_object")) {
+ glTexImage2D(
+ GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type,
+ data);
+ glGenerateMipmap(GL_TEXTURE_2D);
+ } else {
+ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
+ glTexImage2D(
+ GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type,
+ data);
+ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_FALSE);
+ }
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(
+ GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+}
+
+void OGLTransitionerImpl::impl_createTexture(
+ bool useMipmap,
+ uno::Sequence<sal_Int8>& data,
+ const OGLFormat* pFormat )
+{
+ if( !pFormat )
+ {
+ CHECK_GL_ERROR();
+ // force-convert color to ARGB8888 int color space
+ uno::Sequence<sal_Int8> tempBytes(
+ maSlideBitmapLayout.ColorSpace->convertToIntegerColorSpace(
+ data,
+ getOGLColorSpace()));
+ buildMipmaps( GL_RGBA,
+ maSlideSize.Width,
+ maSlideSize.Height,
+ GL_RGBA,
+ GL_UNSIGNED_BYTE,
+ &tempBytes[0]);
+
+ if (epoxy_has_gl_extension("GL_EXT_texture_filter_anisotropic"))
+ {
+ //anistropic filtering (to make texturing not suck when looking at polygons from oblique angles)
+ GLfloat largest_supported_anisotropy;
+ glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy);
+ }
+ } else {
+ if( mpTransition && !mbBrokenTexturesATI && !useMipmap) {
+ glTexImage2D( GL_TEXTURE_2D, 0, pFormat->nInternalFormat, maSlideSize.Width, maSlideSize.Height, 0, pFormat->eFormat, pFormat->eType, &data[0] );
+ glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
+ } else {
+ buildMipmaps( pFormat->nInternalFormat, maSlideSize.Width, maSlideSize.Height, pFormat->eFormat, pFormat->eType, &data[0] );
+
+ if (epoxy_has_gl_extension("GL_EXT_texture_filter_anisotropic"))
+ {
+ //anistropic filtering (to make texturing not suck when looking at polygons from oblique angles)
+ GLfloat largest_supported_anisotropy;
+ glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy );
+ glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy );
+ }
+ }
+ }
+ CHECK_GL_ERROR();
+}
+
+const OGLFormat* OGLTransitionerImpl::chooseFormats()
+{
+ const OGLFormat* pDetectedFormat=nullptr;
+ uno::Reference<rendering::XIntegerBitmapColorSpace> xIntColorSpace(
+ maSlideBitmapLayout.ColorSpace);
+
+ if( xIntColorSpace->getType() == rendering::ColorSpaceType::RGB ||
+ xIntColorSpace->getType() == rendering::ColorSpaceType::SRGB )
+ {
+ /* table for canvas->OGL format mapping. outer index is number
+ of color components (0:3, 1:4), then comes bits per pixel
+ (0:16, 1:24, 2:32), then channel ordering: (0:rgba, 1:bgra,
+ 2:argb, 3:abgr)
+ */
+ static const OGLFormat lcl_RGB24[] =
+ {
+ // 24 bit RGB
+ {3, GL_BGR, GL_UNSIGNED_BYTE},
+ {3, GL_RGB, GL_UNSIGNED_BYTE},
+ {3, GL_BGR, GL_UNSIGNED_BYTE},
+ {3, GL_RGB, GL_UNSIGNED_BYTE}
+ };
+
+#if defined(GL_VERSION_1_2) && defined(GLU_VERSION_1_3)
+ // more format constants available
+ static const OGLFormat lcl_RGB16[] =
+ {
+ // 16 bit RGB
+ {3, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV},
+ {3, GL_RGB, GL_UNSIGNED_SHORT_5_6_5},
+ {3, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV},
+ {3, GL_RGB, GL_UNSIGNED_SHORT_5_6_5}
+ };
+
+ static const OGLFormat lcl_ARGB16_4[] =
+ {
+ // 16 bit ARGB
+ {4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV},
+ {4, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV},
+ {4, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4},
+ {4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4}
+ };
+
+ static const OGLFormat lcl_ARGB16_5[] =
+ {
+ // 16 bit ARGB
+ {4, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV},
+ {4, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV},
+ {4, GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1},
+ {4, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1}
+ };
+
+ static const OGLFormat lcl_ARGB32[] =
+ {
+ // 32 bit ARGB
+ {4, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV},
+ {4, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV},
+ {4, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8},
+ {4, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8}
+ };
+
+ const uno::Sequence<sal_Int8> aComponentTags(
+ xIntColorSpace->getComponentTags());
+ const uno::Sequence<sal_Int32> aComponentBitcounts(
+ xIntColorSpace->getComponentBitCounts());
+ const sal_Int32 nNumComponents( aComponentBitcounts.getLength() );
+ const sal_Int32 nBitsPerPixel( xIntColorSpace->getBitsPerPixel() );
+
+ // supported component ordering?
+ const int nComponentOrderIndex(
+ calcComponentOrderIndex(aComponentTags));
+ if( nComponentOrderIndex != -1 )
+ {
+ switch( nBitsPerPixel )
+ {
+ case 16:
+ if( nNumComponents == 3 )
+ {
+ pDetectedFormat = &lcl_RGB16[nComponentOrderIndex];
+ }
+ else if( nNumComponents == 4 )
+ {
+ if( aComponentBitcounts[1] == 4 )
+ {
+ pDetectedFormat = &lcl_ARGB16_4[nComponentOrderIndex];
+ }
+ else if( aComponentBitcounts[1] == 5 )
+ {
+ pDetectedFormat = &lcl_ARGB16_5[nComponentOrderIndex];
+ }
+ }
+ break;
+ case 24:
+ if( nNumComponents == 3 )
+ {
+ pDetectedFormat = &lcl_RGB24[nComponentOrderIndex];
+ }
+ break;
+ case 32:
+ if ( nNumComponents == 4 )
+ {
+ pDetectedFormat = &lcl_ARGB32[nComponentOrderIndex];
+ }
+ break;
+ }
+ }
+#else
+ const uno::Sequence<sal_Int8> aComponentTags(
+ xIntColorSpace->getComponentTags());
+ const int nComponentOrderIndex(calcComponentOrderIndex(aComponentTags));
+ if( aComponentTags.getLength() == 3 &&
+ nComponentOrderIndex != -1 &&
+ xIntColorSpace->getBitsPerPixel() == 24 )
+ {
+ pDetectedFormat = &lcl_RGB24[nComponentOrderIndex];
+ }
+#endif
+ }
+
+ return pDetectedFormat;
+}
+
+void OGLTransitionerImpl::GLInitSlides()
+{
+ osl::MutexGuard const guard( m_aMutex );
+
+ if (isDisposed() || !mpTransition || mpTransition->getSettings().mnRequiredGLVersion > mnGLVersion)
+ return;
+
+#if OSL_DEBUG_LEVEL > 0
+ TimerContext aTimerContext("texture creation");
+#endif
+
+ mpContext->makeCurrent();
+
+ const OGLFormat* pFormat = chooseFormats();
+
+ CHECK_GL_ERROR();
+ createTexture( &maLeavingSlideGL,
+ mpTransition->getSettings().mbUseMipMapLeaving,
+ maLeavingBytes,
+ pFormat );
+
+ createTexture( &maEnteringSlideGL,
+ mpTransition->getSettings().mbUseMipMapEntering,
+ maEnteringBytes,
+ pFormat );
+
+ CHECK_GL_ERROR();
+ mpContext->sync();
+ CHECK_GL_ERROR();
+}
+
+void SAL_CALL OGLTransitionerImpl::update( double nTime )
+{
+#if OSL_DEBUG_LEVEL > 0
+ mnFrameCount ++;
+ m_UpdateStartTime = std::chrono::steady_clock::now();
+ if( mnFrameCount == 1 ) {
+ m_StartTime = m_UpdateStartTime;
+ m_TotalUpdateDuration = std::chrono::seconds(0);
+ }
+#endif
+ osl::MutexGuard const guard( m_aMutex );
+
+ if (isDisposed() || !mbValidOpenGLContext || !mpTransition || mpTransition->getSettings().mnRequiredGLVersion > mnGLVersion)
+ return;
+
+ mpContext->makeCurrent();
+ CHECK_GL_ERROR();
+
+ glEnable(GL_DEPTH_TEST);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ CHECK_GL_ERROR();
+
+ const GLWindow& rGLWindow(mpContext->getOpenGLWindow());
+ mpTransition->display(nTime, maLeavingSlideGL, maEnteringSlideGL,
+ maSlideSize.Width, maSlideSize.Height,
+ static_cast<double>(rGLWindow.Width),
+ static_cast<double>(rGLWindow.Height),
+ mpContext.get());
+
+ mpContext->swapBuffers();
+
+ mpContext->show();
+ mpContext->sync();
+ CHECK_GL_ERROR();
+
+#if OSL_DEBUG_LEVEL > 0
+ m_UpdateEndTime = std::chrono::steady_clock::now();
+
+ SAL_INFO("slideshow.opengl", "update time: " << nTime);
+ SAL_INFO("slideshow.opengl", "update took: " << std::chrono::duration_cast<std::chrono::milliseconds>(m_UpdateEndTime - m_UpdateStartTime).count());
+ m_TotalUpdateDuration += m_UpdateEndTime - m_UpdateStartTime;
+#endif
+}
+
+void SAL_CALL OGLTransitionerImpl::viewChanged( const Reference< presentation::XSlideShowView >& rView,
+ const Reference< rendering::XBitmap >& rLeavingBitmap,
+ const Reference< rendering::XBitmap >& rEnteringBitmap )
+{
+ SAL_INFO("slideshow.opengl", "transitioner: view changed");
+
+ impl_dispose();
+
+ initWindowFromSlideShowView( rView );
+ setSlides( rLeavingBitmap, rEnteringBitmap );
+ impl_prepareSlides();
+ impl_prepareTransition();
+}
+
+void OGLTransitionerImpl::disposeTextures()
+{
+ mpContext->makeCurrent();
+ CHECK_GL_ERROR();
+
+ glDeleteTextures(1,&maLeavingSlideGL);
+ maLeavingSlideGL = 0;
+ glDeleteTextures(1,&maEnteringSlideGL);
+ maEnteringSlideGL = 0;
+
+ CHECK_GL_ERROR();
+}
+
+void OGLTransitionerImpl::impl_dispose()
+{
+ mpContext->makeCurrent();
+ CHECK_GL_ERROR();
+
+ if( mpTransition && mpTransition->getSettings().mnRequiredGLVersion <= mnGLVersion )
+ mpTransition->finish();
+ disposeTextures();
+ if( mpContext.is() )
+ mpContext->dispose();
+ mpContext.clear();
+}
+
+// we are about to be disposed (someone call dispose() on us)
+void OGLTransitionerImpl::disposing()
+{
+ osl::MutexGuard const guard( m_aMutex );
+
+#if OSL_DEBUG_LEVEL > 0
+ SAL_INFO("slideshow.opengl", "dispose " << this);
+ if( mnFrameCount ) {
+ m_EndTime = std::chrono::steady_clock::now();
+ auto const duration = m_EndTime - m_StartTime;
+ SAL_INFO("slideshow.opengl",
+ "whole transition (frames: " << mnFrameCount
+ << ") took: " << std::chrono::duration_cast<std::chrono::microseconds>(duration).count()
+ << " fps: "
+ << ((static_cast<double>(mnFrameCount)*1000000000.0)/std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count())
+ << " time spent in updates: " << std::chrono::duration_cast<std::chrono::microseconds>(m_TotalUpdateDuration).count()
+ << " percentage of transition time: "
+ << (100*((static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(m_TotalUpdateDuration).count()))/(static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count()))))
+ << '%'
+ );
+ }
+#endif
+
+ if (mbRestoreSync && mpContext.is()) {
+ // try to reestablish synchronize state
+ const char* sal_synchronize = getenv("SAL_SYNCHRONIZE");
+ mpContext->getOpenGLWindow().Synchronize(sal_synchronize && *sal_synchronize == '1' );
+ }
+
+ impl_dispose();
+
+ mpTransition.reset();
+
+ mxLeavingBitmap.clear();
+ mxEnteringBitmap.clear();
+ mxView.clear();
+}
+
+OGLTransitionerImpl::OGLTransitionerImpl()
+ : OGLTransitionerImplBase(m_aMutex)
+ , mpContext()
+ , maLeavingSlideGL(0)
+ , maEnteringSlideGL(0)
+ , mxView()
+ , maEnteringBytes()
+ , maLeavingBytes()
+ , mbRestoreSync(false)
+ , maSlideBitmapLayout()
+ , maSlideSize()
+ , mbBrokenTexturesATI(false)
+ , mnGLVersion(0)
+ , mbValidOpenGLContext(false)
+#if OSL_DEBUG_LEVEL > 0
+ , mnFrameCount(0)
+#endif
+{
+}
+
+typedef cppu::WeakComponentImplHelper<presentation::XTransitionFactory> OGLTransitionFactoryImplBase;
+
+class OGLTransitionFactoryImpl : private cppu::BaseMutex, public OGLTransitionFactoryImplBase
+{
+public:
+ explicit OGLTransitionFactoryImpl( const uno::Reference< uno::XComponentContext >& ) :
+ OGLTransitionFactoryImplBase(m_aMutex)
+ {}
+
+ // XTransitionFactory
+ virtual sal_Bool SAL_CALL hasTransition( sal_Int16 transitionType, sal_Int16 transitionSubType ) override
+ {
+ // A set of css::animation::TransitionSubType that don't have any meaning (in the SMIL 2.0
+ // standard) for MISCSHAPEWIPE have been chosen to refer to some of these "fancy" optional
+ // transitions. (The only subtypes of 'miscShapeWipe' defined in the standard are 'heart'
+ // and 'keyhole'.) The set of subtypes used seems to be a bit random; it starts from the
+ // beginning of the list (in the order (numeric) in our TransitionSubType set of constants)
+ // but then jumps a bit randomly. The numeric values as such have no meaning, but still.
+
+ if( transitionType == animations::TransitionType::MISCSHAPEWIPE ) {
+ switch( transitionSubType )
+ {
+ case animations::TransitionSubType::LEFTTORIGHT: // 1
+ case animations::TransitionSubType::TOPTOBOTTOM: // 2
+ case animations::TransitionSubType::TOPLEFT: // 3
+ case animations::TransitionSubType::TOPRIGHT: // 4
+ case animations::TransitionSubType::BOTTOMRIGHT: // 5
+ case animations::TransitionSubType::BOTTOMLEFT: // 6
+ case animations::TransitionSubType::TOPCENTER: // 7
+ case animations::TransitionSubType::RIGHTCENTER: // 8
+ case animations::TransitionSubType::BOTTOMCENTER: // 9
+ case animations::TransitionSubType::CORNERSIN: // 11
+ case animations::TransitionSubType::CORNERSOUT: // 12
+ case animations::TransitionSubType::VERTICAL: // 13
+ case animations::TransitionSubType::HORIZONTAL: // 14
+ case animations::TransitionSubType::DIAMOND: // 26
+ case animations::TransitionSubType::CIRCLE: // 27
+ case animations::TransitionSubType::HEART: // 31
+ case animations::TransitionSubType::FANOUTHORIZONTAL: // 55
+ case animations::TransitionSubType::ACROSS: // 108
+ return true;
+
+ default:
+ return false;
+ }
+ } else if( transitionType == animations::TransitionType::FADE && transitionSubType == animations::TransitionSubType::CROSSFADE ) {
+ return true;
+ } else if( transitionType == animations::TransitionType::FADE && transitionSubType == animations::TransitionSubType::FADEOVERCOLOR ) {
+ return true;
+ } else if( transitionType == animations::TransitionType::IRISWIPE && transitionSubType == animations::TransitionSubType::DIAMOND ) {
+ return true;
+ } else if( transitionType == animations::TransitionType::ZOOM && transitionSubType == animations::TransitionSubType::ROTATEIN ) {
+ return true;
+ } else
+ return false;
+ }
+
+ virtual uno::Reference< presentation::XTransition > SAL_CALL createTransition(
+ sal_Int16 transitionType,
+ sal_Int16 transitionSubType,
+ sal_Int32 transitionFadeColor,
+ const uno::Reference< presentation::XSlideShowView >& view,
+ const uno::Reference< rendering::XBitmap >& leavingBitmap,
+ const uno::Reference< rendering::XBitmap >& enteringBitmap ) override
+ {
+ if( !hasTransition( transitionType, transitionSubType ) )
+ return uno::Reference< presentation::XTransition >();
+
+ rtl::Reference< OGLTransitionerImpl > xRes( new OGLTransitionerImpl() );
+ if ( !xRes->initialize( view, leavingBitmap, enteringBitmap ) )
+ return uno::Reference< presentation::XTransition >();
+
+ std::shared_ptr<OGLTransitionImpl> pTransition;
+
+ if( transitionType == animations::TransitionType::MISCSHAPEWIPE ) {
+ switch( transitionSubType )
+ {
+ case animations::TransitionSubType::LEFTTORIGHT:
+ pTransition = makeFallLeaving();
+ break;
+ case animations::TransitionSubType::TOPTOBOTTOM:
+ pTransition = makeTurnAround();
+ break;
+ case animations::TransitionSubType::TOPLEFT:
+ pTransition = makeIris();
+ break;
+ case animations::TransitionSubType::TOPRIGHT:
+ pTransition = makeTurnDown();
+ break;
+ case animations::TransitionSubType::BOTTOMRIGHT:
+ pTransition = makeRochade();
+ break;
+ case animations::TransitionSubType::BOTTOMLEFT:
+ pTransition = makeVenetianBlinds( true, 8 );
+ break;
+ case animations::TransitionSubType::TOPCENTER:
+ pTransition = makeVenetianBlinds( false, 6 );
+ break;
+ case animations::TransitionSubType::RIGHTCENTER:
+ pTransition = makeStatic();
+ break;
+ case animations::TransitionSubType::BOTTOMCENTER:
+ pTransition = makeDissolve();
+ break;
+ case animations::TransitionSubType::CORNERSIN:
+ pTransition = makeInsideCubeFaceToLeft();
+ break;
+ case animations::TransitionSubType::CORNERSOUT:
+ pTransition = makeOutsideCubeFaceToLeft();
+ break;
+ case animations::TransitionSubType::VERTICAL:
+ pTransition = makeVortex();
+ break;
+ case animations::TransitionSubType::HORIZONTAL:
+ pTransition = makeRipple();
+ break;
+ case animations::TransitionSubType::CIRCLE:
+ pTransition = makeRevolvingCircles(8,128);
+ break;
+ case animations::TransitionSubType::FANOUTHORIZONTAL:
+ pTransition = makeHelix(20);
+ break;
+ case animations::TransitionSubType::ACROSS:
+ pTransition = makeNByMTileFlip(8,6);
+ break;
+ case animations::TransitionSubType::DIAMOND:
+ pTransition = makeGlitter();
+ break;
+ case animations::TransitionSubType::HEART:
+ pTransition = makeHoneycomb();
+ break;
+ }
+ } else if( transitionType == animations::TransitionType::FADE && transitionSubType == animations::TransitionSubType::CROSSFADE ) {
+ pTransition = makeFadeSmoothly();
+ } else if( transitionType == animations::TransitionType::FADE && transitionSubType == animations::TransitionSubType::FADEOVERCOLOR ) {
+ pTransition = makeFadeThroughColor( transitionFadeColor == 0xffffff );
+ } else if( transitionType == animations::TransitionType::IRISWIPE && transitionSubType == animations::TransitionSubType::DIAMOND ) {
+ pTransition = makeDiamond();
+ } else if( transitionType == animations::TransitionType::ZOOM && transitionSubType == animations::TransitionSubType::ROTATEIN ) {
+ pTransition = makeNewsflash();
+ }
+
+ if ( !pTransition || !xRes->setTransition(pTransition) )
+ return uno::Reference< presentation::XTransition >();
+
+ return uno::Reference<presentation::XTransition>(xRes.get());
+ }
+};
+
+}
+
+namespace sdecl = comphelper::service_decl;
+ const sdecl::ServiceDecl OGLTransitionFactoryDecl(
+ sdecl::class_<OGLTransitionFactoryImpl>(),
+ "com.sun.star.comp.presentation.OGLTransitionFactory",
+ "com.sun.star.presentation.TransitionFactory" );
+
+// The C shared lib entry points
+extern "C"
+SAL_DLLPUBLIC_EXPORT void* ogltrans_component_getFactory( char const* pImplName,
+ void*, void* )
+{
+ return sdecl::component_getFactoryHelper( pImplName, {&OGLTransitionFactoryDecl} );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */