5df31134f1
Found with bin/find-unneeded-includes Only removal proposals are dealt with here. Change-Id: I93d516146ba44d83f84cb245e712ef6d14634a18 Reviewed-on: https://gerrit.libreoffice.org/68035 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
/* -*- 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 .
|
|
*/
|
|
|
|
#ifndef INCLUDED_CANVAS_RENDERING_IRENDERMODULE_HXX
|
|
#define INCLUDED_CANVAS_RENDERING_IRENDERMODULE_HXX
|
|
|
|
#include <memory>
|
|
|
|
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<ISurface> 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( const std::shared_ptr<IRenderModule>& rRenderModule ) :
|
|
mpRenderModule( rRenderModule )
|
|
{
|
|
mpRenderModule->lock();
|
|
}
|
|
|
|
~RenderModuleGuard()
|
|
{
|
|
mpRenderModule->unlock();
|
|
}
|
|
|
|
RenderModuleGuard(const RenderModuleGuard&) = delete;
|
|
RenderModuleGuard& operator=( const RenderModuleGuard& ) = delete;
|
|
private:
|
|
const std::shared_ptr<IRenderModule> mpRenderModule;
|
|
};
|
|
}
|
|
|
|
#endif // INCLUDED_CANVAS_RENDERING_IRENDERMODULE_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|