Add opengl canvas implementation.
Adds opengl canvas implementation - display-list-based, all rendering done as textured geometry. Needs shader support. Currently compiles and works on Linux, Mac should be ~easy to add, win32 eventually. Change-Id: Ibf3eb88d6a36a91b2960a3a6320d708160e4fc14
This commit is contained in:
Thorsten Behrens
238
canvas/source/opengl/ogl_canvashelper.hxx
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238
canvas/source/opengl/ogl_canvashelper.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef OGL_CANVASHELPER_HXX_
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#define OGL_CANVASHELPER_HXX_
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <basegfx/vector/b2isize.hxx>
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#include <basegfx/vector/b2dsize.hxx>
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#include <o3tl/cow_wrapper.hxx>
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#include <vector>
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namespace oglcanvas
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{
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class SpriteDeviceHelper;
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/** Helper class for basic canvas functionality. */
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class CanvasHelper
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{
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public:
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CanvasHelper();
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// outline because of incomplete type Action
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~CanvasHelper();
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CanvasHelper& operator=( const CanvasHelper& );
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/// Release all references
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void disposing();
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/** Initialize canvas helper
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This method late-initializes the canvas helper, providing
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it with the necessary device and output objects. Note that
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the CanvasHelper does <em>not</em> take ownership of the
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passed rDevice reference, nor does it perform any
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reference counting. Thus, to prevent the reference counted
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SpriteCanvas object from deletion, the user of this class
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is responsible for holding ref-counted references itself!
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@param rDevice
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Reference device this canvas is associated with
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*/
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void init( ::com::sun::star::rendering::XGraphicDevice& rDevice,
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SpriteDeviceHelper& rDeviceHelper );
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// CanvasHelper functionality
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// ==========================
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// XCanvas (only providing, not implementing the
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// interface. Also note subtle method parameter differences)
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void clear();
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void drawPoint( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::geometry::RealPoint2D& aPoint,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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void drawLine( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::geometry::RealPoint2D& aStartPoint,
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const ::com::sun::star::geometry::RealPoint2D& aEndPoint,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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void drawBezier( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::geometry::RealBezierSegment2D& aBezierSegment,
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const ::com::sun::star::geometry::RealPoint2D& aEndPoint,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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strokePolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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strokeTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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strokeTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::geometry::XMapping2D >& xMapping,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >
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queryStrokeShapes( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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fillPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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fillTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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fillTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::geometry::XMapping2D >& xMapping );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL
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createFont( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::rendering::FontRequest& fontRequest,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::beans::PropertyValue >& extraFontProperties,
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const ::com::sun::star::geometry::Matrix2D& fontMatrix );
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::com::sun::star::uno::Sequence< ::com::sun::star::rendering::FontInfo >
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queryAvailableFonts( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::rendering::FontInfo& aFilter,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::beans::PropertyValue >& aFontProperties );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawText( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::rendering::StringContext& text,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCanvasFont >& xFont,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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sal_Int8 textDirection );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawTextLayout( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XTextLayout >& layoutetText,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawBitmap( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XBitmap >& xBitmap,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawBitmapModulated( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XBitmap >& xBitmap,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >
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getDevice();
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// Flush drawing queue to screen
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void flush() const;
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/** Called from XCanvas base classes, to notify that content
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is _about_ to change
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*/
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void modifying() {}
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/** Write out recorded actions
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*/
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bool renderRecordedActions() const;
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/** Retrieve number of recorded actions
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*/
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size_t getRecordedActionCount() const;
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SpriteDeviceHelper* getDeviceHelper() const { return mpDeviceHelper; }
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::com::sun::star::rendering::XGraphicDevice* getDevice() const { return mpDevice; }
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struct Action;
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typedef o3tl::cow_wrapper< std::vector<Action>,
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o3tl::ThreadSafeRefCountingPolicy > RecordVectorT;
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private:
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// declared, but not defined
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CanvasHelper( const CanvasHelper& );
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void setupGraphicsState( Action& o_action,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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/** Phyical output device
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Deliberately not a refcounted reference, because of
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potential circular references for spritecanvas.
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*/
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::com::sun::star::rendering::XGraphicDevice* mpDevice;
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/** Internal helper - used for a few global GL objects,
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e.g. shader programs; and caches
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*/
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SpriteDeviceHelper* mpDeviceHelper;
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/** Ptr to array of recorded render calls
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Gets shared copy-on-write, when this CanvasHelper is
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copied (used e.g. for CanvasBitmap)
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*/
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RecordVectorT mpRecordedActions;
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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