/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #pragma once #include #include namespace basegfx { class B2IVector; } namespace canvas { struct ISurface; struct Vertex { float r,g,b,a; float u,v; float x,y,z; }; /** Output module interface for backend render implementations. Implement this interface for each operating system- or library-specific rendering backend, which needs coupling with the canvas rendering framework (which can be shared between all backend implementations). */ struct IRenderModule { /** Type of primitive passed to the render module via pushVertex() */ enum class PrimitiveType { Unknown, Triangle, Quad }; virtual ~IRenderModule() {} /// Lock rendermodule against concurrent access virtual void lock() const = 0; /// Unlock rendermodule for concurrent access virtual void unlock() const = 0; /** Maximal size of VRAM pages available This is typically the maximum texture size of the hardware, or some arbitrary limit if the backend is software. */ virtual ::basegfx::B2IVector getPageSize() = 0; /** Create a (possibly hardware-accelerated) surface @return a pointer to a surface, which is an abstraction of a piece of (possibly hardware-accelerated) texture memory. */ virtual std::shared_ptr createSurface( const ::basegfx::B2IVector& surfaceSize ) = 0; /** Begin rendering the given primitive. Each beginPrimitive() call must be matched with an endPrimitive() call. */ virtual void beginPrimitive( PrimitiveType eType ) = 0; /** Finish rendering a primitive. Each beginPrimitive() call must be matched with an endPrimitive() call. */ virtual void endPrimitive() = 0; /** Add given vertex to current primitive After issuing a beginPrimitive(), each pushVertex() adds a vertex to the active primitive. */ virtual void pushVertex( const Vertex& vertex ) = 0; /** Query error status @returns true, if an error occurred during primitive construction. */ virtual bool isError() = 0; }; /// Little RAII wrapper for guarding access to IRenderModule interface class RenderModuleGuard { public: explicit RenderModuleGuard( std::shared_ptr xRenderModule ) : mpRenderModule(std::move( xRenderModule )) { mpRenderModule->lock(); } ~RenderModuleGuard() { mpRenderModule->unlock(); } RenderModuleGuard(const RenderModuleGuard&) = delete; RenderModuleGuard& operator=( const RenderModuleGuard& ) = delete; private: const std::shared_ptr mpRenderModule; }; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ o/collabora/cp-5.3-desktop LibreOffice 核心代码仓库文档基金会

path: root/canvas/Package_opengl.mk

Age	Commit message (Expand)	Author
2014-10-03	GLSL files should go into $(LIBO_ETC_FOLDER)/opengl	Tor Lillqvist
2014-08-08	extract shaders to own file and use shared shader loading	Markus Mohrhard