open_toontown_panda3d/panda/src/tinydisplay/tinyXGraphicsPipe.cxx

114 lines
3.1 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file tinyXGraphicsPipe.cxx
* @author drose
* @date 2008-05-03
*/
#include "pandabase.h"
#ifdef HAVE_X11
#include "tinyXGraphicsPipe.h"
#include "tinyXGraphicsWindow.h"
#include "tinyGraphicsStateGuardian.h"
#include "tinyGraphicsBuffer.h"
#include "config_tinydisplay.h"
#include "frameBufferProperties.h"
TypeHandle TinyXGraphicsPipe::_type_handle;
/**
*
*/
TinyXGraphicsPipe::
TinyXGraphicsPipe(const std::string &display) : x11GraphicsPipe(display) {
}
/**
*
*/
TinyXGraphicsPipe::
~TinyXGraphicsPipe() {
}
/**
* Returns the name of the rendering interface associated with this
* GraphicsPipe. This is used to present to the user to allow him/her to
* choose between several possible GraphicsPipes available on a particular
* platform, so the name should be meaningful and unique for a given platform.
*/
std::string TinyXGraphicsPipe::
get_interface_name() const {
return "TinyPanda";
}
/**
* This function is passed to the GraphicsPipeSelection object to allow the
* user to make a default TinyXGraphicsPipe.
*/
PT(GraphicsPipe) TinyXGraphicsPipe::
pipe_constructor() {
return new TinyXGraphicsPipe;
}
/**
* Creates a new window on the pipe, if possible.
*/
PT(GraphicsOutput) TinyXGraphicsPipe::
make_output(const std::string &name,
const FrameBufferProperties &fb_prop,
const WindowProperties &win_prop,
int flags,
GraphicsEngine *engine,
GraphicsStateGuardian *gsg,
GraphicsOutput *host,
int retry,
bool &precertify) {
TinyGraphicsStateGuardian *tinygsg = 0;
if (gsg != 0) {
DCAST_INTO_R(tinygsg, gsg, nullptr);
}
// First thing to try: a TinyXGraphicsWindow
// We check _is_valid only in this case. The pipe will be invalid if it
// can't contact the X server, but that shouldn't prevent the creation of an
// offscreen buffer.
if (retry == 0 && _is_valid) {
if (((flags&BF_require_parasite)!=0)||
((flags&BF_refuse_window)!=0)||
((flags&BF_resizeable)!=0)||
((flags&BF_size_track_host)!=0)||
((flags&BF_rtt_cumulative)!=0)||
((flags&BF_can_bind_color)!=0)||
((flags&BF_can_bind_every)!=0)) {
return nullptr;
}
return new TinyXGraphicsWindow(engine, this, name, fb_prop, win_prop,
flags, gsg, host);
}
// Second thing to try: a TinyGraphicsBuffer
// No need to check _is_valid here. We can create an offscreen buffer even
// if the pipe is not technically valid.
if (retry == 1) {
if (((flags&BF_require_parasite)!=0)||
((flags&BF_require_window)!=0)) {
return nullptr;
}
return new TinyGraphicsBuffer(engine, this, name, fb_prop, win_prop, flags, gsg, host);
}
// Nothing else left to try.
return nullptr;
}
#endif // HAVE_X11