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141 lines
4.9 KiB
C++
141 lines
4.9 KiB
C++
// Filename: graphicsPipe.cxx
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// Created by: mike (09Jan97)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#include "graphicsPipe.h"
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#include "graphicsWindow.h"
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#include "graphicsBuffer.h"
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#include "config_display.h"
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#include "mutexHolder.h"
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TypeHandle GraphicsPipe::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::Constructor
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// Access: Protected
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// Description:
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////////////////////////////////////////////////////////////////////
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GraphicsPipe::
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GraphicsPipe() :
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_lock("GraphicsPipe")
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{
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// Initially, we assume the GraphicsPipe is valid. A derived class
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// should set this to false if it determines otherwise.
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_is_valid = true;
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// A derived class must indicate the kinds of GraphicsOutput objects
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// it can create.
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_supported_types = 0;
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_display_width = 0;
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_display_height = 0;
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::Copy Constructor
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// Access: Private
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// Description: Don't try to copy GraphicsPipes.
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////////////////////////////////////////////////////////////////////
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GraphicsPipe::
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GraphicsPipe(const GraphicsPipe &) {
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_is_valid = false;
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nassertv(false);
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::Copy Assignment Operator
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// Access: Private
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// Description: Don't try to copy GraphicsPipes.
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////////////////////////////////////////////////////////////////////
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void GraphicsPipe::
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operator = (const GraphicsPipe &) {
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nassertv(false);
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::Destructor
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// Access: Published
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// Description:
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////////////////////////////////////////////////////////////////////
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GraphicsPipe::
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~GraphicsPipe() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::get_preferred_window_thread
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// Access: Public, Virtual
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// Description: Returns an indication of the thread in which this
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// GraphicsPipe requires its window processing to be
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// performed: typically either the app thread (e.g. X)
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// or the draw thread (Windows).
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////////////////////////////////////////////////////////////////////
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GraphicsPipe::PreferredWindowThread
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GraphicsPipe::get_preferred_window_thread() const {
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return PWT_draw;
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::make_device
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// Access: Public, Virtual
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// Description: Creates a new device for the pipe. Only DirectX uses
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// this device, for other api's it is NULL.
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////////////////////////////////////////////////////////////////////
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PT(GraphicsDevice) GraphicsPipe::
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make_device(void *scrn) {
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display_cat.error()
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<< "make_device() unimplemented by " << get_type() << "\n";
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return NULL;
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::close_gsg
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// Access: Protected, Virtual
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// Description: This will be called in the draw thread (the same
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// thread in which the GSG was created via make_gsg,
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// above) to close the indicated GSG and free its
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// associated graphics objects just before it is
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// destructed. This method exists to provide a hook for
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// the graphics pipe to do any necessary cleanup, if
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// any.
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////////////////////////////////////////////////////////////////////
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void GraphicsPipe::
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close_gsg(GraphicsStateGuardian *gsg) {
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if (gsg != (GraphicsStateGuardian *)NULL) {
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gsg->close_gsg();
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: GraphicsPipe::make_output
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// Access: Protected, Virtual
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// Description: Creates a new window on the pipe, if possible.
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////////////////////////////////////////////////////////////////////
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PT(GraphicsOutput) GraphicsPipe::
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make_output(const string &name,
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const FrameBufferProperties &fb_prop,
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const WindowProperties &win_prop,
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int flags,
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GraphicsStateGuardian *gsg,
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GraphicsOutput *host,
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int retry,
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bool &precertify) {
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display_cat.error()
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<< get_type() << " cannot create buffers or windows.\n";
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return NULL;
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}
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