panda3d/panda/src/tinydisplay/tinyXGraphicsPipe.cxx

128 lines
4.4 KiB
C++

// Filename: tinyXGraphicsPipe.cxx
// Created by: drose (03May08)
//
////////////////////////////////////////////////////////////////////
//
// 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."
//
////////////////////////////////////////////////////////////////////
#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;
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsPipe::Constructor
// Access: Public
// Description:
////////////////////////////////////////////////////////////////////
TinyXGraphicsPipe::
TinyXGraphicsPipe(const string &display) : x11GraphicsPipe(display) {
}
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsPipe::Destructor
// Access: Public, Virtual
// Description:
////////////////////////////////////////////////////////////////////
TinyXGraphicsPipe::
~TinyXGraphicsPipe() {
}
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsPipe::get_interface_name
// Access: Published, Virtual
// Description: 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.
////////////////////////////////////////////////////////////////////
string TinyXGraphicsPipe::
get_interface_name() const {
return "TinyPanda";
}
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsPipe::pipe_constructor
// Access: Public, Static
// Description: 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;
}
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsPipe::make_output
// Access: Protected, Virtual
// Description: Creates a new window on the pipe, if possible.
////////////////////////////////////////////////////////////////////
PT(GraphicsOutput) TinyXGraphicsPipe::
make_output(const 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, NULL);
}
// 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 NULL;
}
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 NULL;
}
return new TinyGraphicsBuffer(engine, this, name, fb_prop, win_prop, flags, gsg, host);
}
// Nothing else left to try.
return NULL;
}
#endif // HAVE_X11