SuperTuxKart
frame_buffer_layer.hpp
1 // SuperTuxKart - a fun racing game with go-kart
2 // Copyright (C) 2018 SuperTuxKart-Team
3 //
4 // This program is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU General Public License
6 // as published by the Free Software Foundation; either version 3
7 // of the License, or (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 
18 #ifndef SERVER_ONLY
19 
20 #ifndef HEADER_FRAME_BUFFER_LAYER_HPP
21 #define HEADER_FRAME_BUFFER_LAYER_HPP
22 
23 #include "graphics/frame_buffer.hpp"
24 
26 {
27 private:
28  std::vector<GLuint> m_fbo_layer;
29 
30 public:
31  LEAK_CHECK()
32  // ------------------------------------------------------------------------
33  FrameBufferLayer(const std::vector<GLuint> &rtts, unsigned w, unsigned h,
34  unsigned layer_count);
35  // ------------------------------------------------------------------------
36  FrameBufferLayer(const std::vector<GLuint> &rtts, GLuint depth_stencil,
37  unsigned w, unsigned h, unsigned layer_count);
38  // ------------------------------------------------------------------------
40  {
41  if (!m_fbo_layer.empty())
42  {
43  glDeleteFramebuffers((int)m_fbo_layer.size(), m_fbo_layer.data());
44  }
45  }
46  // ------------------------------------------------------------------------
47  void bindLayer(unsigned i) const
48  {
49  assert(i < m_fbo_layer.size());
50  glBindFramebuffer(GL_FRAMEBUFFER, m_fbo_layer[i]);
51  glViewport(0, 0, (int)m_width, (int)m_height);
52  GLenum bufs[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1,
53  GL_COLOR_ATTACHMENT2 };
54  glDrawBuffers((int)m_render_targets.size(), bufs);
55  }
56  // ------------------------------------------------------------------------
57  void bindLayerDepthOnly(unsigned i) const
58  {
59  assert(i < m_fbo_layer.size());
60  glBindFramebuffer(GL_FRAMEBUFFER, m_fbo_layer[i]);
61  glViewport(0, 0, (int)m_width, (int)m_height);
62  GLenum bufs[] = { GL_NONE, GL_NONE, GL_NONE };
63  glDrawBuffers((int)m_render_targets.size(), bufs);
64  }
65  // ------------------------------------------------------------------------
66  unsigned getLayerCount() const { return (unsigned)m_fbo_layer.size(); }
67 
68 };
69 
70 #endif
71 
72 #endif
Definition: frame_buffer_layer.hpp:25
Definition: frame_buffer.hpp:32