84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file graphicsBuffer.h
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* @author drose
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* @date 2004-02-06
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*/
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#ifndef GRAPHICSBUFFER_H
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#define GRAPHICSBUFFER_H
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#include "pandabase.h"
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#include "graphicsOutput.h"
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#include "texture.h"
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#include "pointerTo.h"
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/**
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* An offscreen buffer for rendering into. This is similar in function to a
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* GraphicsWindow, except that the output is not visible to the user.
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*/
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class EXPCL_PANDA_DISPLAY GraphicsBuffer : public GraphicsOutput {
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protected:
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GraphicsBuffer(GraphicsEngine *engine,
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GraphicsPipe *pipe,
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const std::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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PUBLISHED:
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virtual ~GraphicsBuffer();
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virtual void set_size(int x, int y);
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public:
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virtual void request_open();
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virtual void request_close();
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// It is an error to call any of the following methods from any thread other
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// than the window thread. These methods are normally called by the
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// GraphicsEngine.
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virtual void set_close_now();
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virtual void process_events();
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protected:
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virtual void close_buffer();
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virtual bool open_buffer();
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protected:
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enum OpenRequest {
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OR_none,
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OR_open,
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OR_close,
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};
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OpenRequest _open_request;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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GraphicsOutput::init_type();
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register_type(_type_handle, "GraphicsBuffer",
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GraphicsOutput::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "graphicsBuffer.I"
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#endif
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