canvas/source/opengl/ogl_buffercontext.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #pragma once
  11
  12 #include <epoxy/gl.h>
  13
  14 #include <sal/config.h>
  15 #include <memory>
  16
  17 namespace oglcanvas
  18 {
  19     struct IBufferContext
  20     {
  21         virtual ~IBufferContext() {}
  22
  23         /// start render to buffer. changes current framebuffer
  24         virtual void startBufferRendering() = 0;
  25
  26         /// end render to buffer. switches to default framebuffer
  27         virtual void endBufferRendering() = 0;
  28
  29         virtual GLuint getTextureId() = 0;
  30     };
  31
  32     typedef std::shared_ptr<IBufferContext> IBufferContextSharedPtr;
  33 }
  34
  35 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */