Panda3D
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00001 // Filename: tinyOffscreenGraphicsPipe.cxx 00002 // Created by: drose (09Feb09) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #include "pandabase.h" 00016 00017 #include "tinyOffscreenGraphicsPipe.h" 00018 #include "tinyGraphicsStateGuardian.h" 00019 #include "tinyGraphicsBuffer.h" 00020 #include "config_tinydisplay.h" 00021 #include "frameBufferProperties.h" 00022 00023 TypeHandle TinyOffscreenGraphicsPipe::_type_handle; 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Function: TinyOffscreenGraphicsPipe::Constructor 00027 // Access: Public 00028 // Description: 00029 //////////////////////////////////////////////////////////////////// 00030 TinyOffscreenGraphicsPipe:: 00031 TinyOffscreenGraphicsPipe() { 00032 _supported_types = OT_buffer | OT_texture_buffer; 00033 _is_valid = true; 00034 } 00035 00036 //////////////////////////////////////////////////////////////////// 00037 // Function: TinyOffscreenGraphicsPipe::Destructor 00038 // Access: Public, Virtual 00039 // Description: 00040 //////////////////////////////////////////////////////////////////// 00041 TinyOffscreenGraphicsPipe:: 00042 ~TinyOffscreenGraphicsPipe() { 00043 } 00044 00045 //////////////////////////////////////////////////////////////////// 00046 // Function: TinyOffscreenGraphicsPipe::get_interface_name 00047 // Access: Published, Virtual 00048 // Description: Returns the name of the rendering interface 00049 // associated with this GraphicsPipe. This is used to 00050 // present to the user to allow him/her to choose 00051 // between several possible GraphicsPipes available on a 00052 // particular platform, so the name should be meaningful 00053 // and unique for a given platform. 00054 //////////////////////////////////////////////////////////////////// 00055 string TinyOffscreenGraphicsPipe:: 00056 get_interface_name() const { 00057 return "TinyPanda"; 00058 } 00059 00060 //////////////////////////////////////////////////////////////////// 00061 // Function: TinyOffscreenGraphicsPipe::pipe_constructor 00062 // Access: Public, Static 00063 // Description: This function is passed to the GraphicsPipeSelection 00064 // object to allow the user to make a default 00065 // TinyOffscreenGraphicsPipe. 00066 //////////////////////////////////////////////////////////////////// 00067 PT(GraphicsPipe) TinyOffscreenGraphicsPipe:: 00068 pipe_constructor() { 00069 return new TinyOffscreenGraphicsPipe; 00070 } 00071 00072 //////////////////////////////////////////////////////////////////// 00073 // Function: TinyOffscreenGraphicsPipe::make_output 00074 // Access: Protected, Virtual 00075 // Description: Creates a new window on the pipe, if possible. 00076 //////////////////////////////////////////////////////////////////// 00077 PT(GraphicsOutput) TinyOffscreenGraphicsPipe:: 00078 make_output(const string &name, 00079 const FrameBufferProperties &fb_prop, 00080 const WindowProperties &win_prop, 00081 int flags, 00082 GraphicsEngine *engine, 00083 GraphicsStateGuardian *gsg, 00084 GraphicsOutput *host, 00085 int retry, 00086 bool &precertify) { 00087 // Only thing to try: a TinyGraphicsBuffer 00088 00089 if (retry == 0) { 00090 if (((flags&BF_require_parasite)!=0)|| 00091 ((flags&BF_require_window)!=0)) { 00092 return NULL; 00093 } 00094 return new TinyGraphicsBuffer(engine, this, name, fb_prop, win_prop, flags, gsg, host); 00095 } 00096 00097 // Nothing else left to try. 00098 return NULL; 00099 }