00001 // Filename: renderBuffer.h 00002 // Created by: drose (02Feb99) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved 00008 // 00009 // All use of this software is subject to the terms of the Panda 3d 00010 // Software license. You should have received a copy of this license 00011 // along with this source code; you will also find a current copy of 00012 // the license at http://www.panda3d.org/license.txt . 00013 // 00014 // To contact the maintainers of this program write to 00015 // panda3d@yahoogroups.com . 00016 // 00017 //////////////////////////////////////////////////////////////////// 00018 00019 #ifndef RENDERBUFFER_H 00020 #define RENDERBUFFER_H 00021 00022 #include "pandabase.h" 00023 00024 class GraphicsStateGuardian; 00025 00026 //////////////////////////////////////////////////////////////////// 00027 // Class : RenderBuffer 00028 // Description : A RenderBuffer is an arbitrary subset of the various 00029 // layers (depth buffer, color buffer, etc.) of a 00030 // drawing region. It consists of a 00031 // GraphicsStateGuardian pointer, along with a bitmask 00032 // of the layers we're interested in. 00033 //////////////////////////////////////////////////////////////////// 00034 class EXPCL_PANDA RenderBuffer { 00035 public: 00036 enum Type { 00037 T_front_left = 0x0001, 00038 T_back_left = 0x0002, 00039 T_front_right = 0x0004, 00040 T_back_right = 0x0008, 00041 00042 T_front = 0x0005, 00043 T_back = 0x000a, 00044 T_left = 0x0003, 00045 T_right = 0x000c, 00046 00047 T_color = 0x000f, 00048 00049 T_depth = 0x0010, 00050 T_stencil = 0x0020, 00051 T_accum = 0x0040, 00052 }; 00053 00054 00055 RenderBuffer(GraphicsStateGuardian *gsg, int buffer_type) 00056 : _gsg(gsg), _buffer_type(buffer_type) { } 00057 00058 GraphicsStateGuardian *_gsg; 00059 int _buffer_type; 00060 }; 00061 00062 #endif