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138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
// Filename: graphicsPipe.h
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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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#ifndef GRAPHICSPIPE_H
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#define GRAPHICSPIPE_H
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#include "pandabase.h"
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#include "graphicsDevice.h"
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#include "typedReferenceCount.h"
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#include "pointerTo.h"
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#include "pmutex.h"
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class HardwareChannel;
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class GraphicsOutput;
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class GraphicsWindow;
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class GraphicsBuffer;
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class GraphicsStateGuardian;
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class FrameBufferProperties;
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class Texture;
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////////////////////////////////////////////////////////////////////
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// Class : GraphicsPipe
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// Description : An object to create GraphicsOutputs that share a
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// particular 3-D API. Normally, there will only be one
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// GraphicsPipe in an application, although it is
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// possible to have multiple of these at once if there
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// are multiple different API's available in the same
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// machine.
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//
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// Often, the GraphicsPipe corresponds to a physical
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// output device, hence the term "pipe", but this is not
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// necessarily the case.
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//
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// The GraphicsPipe is used by the GraphicsEngine object
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// to create and destroy windows; it keeps ownership of
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// the windows it creates.
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//
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// M. Asad added new/interim functionality where GraphicsPipe
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// now contains a device interface to directx/opengl which
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// will be used to handle multiple windows from same device.
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//
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA GraphicsPipe : public TypedReferenceCount {
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protected:
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GraphicsPipe();
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private:
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GraphicsPipe(const GraphicsPipe ©);
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void operator = (const GraphicsPipe ©);
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PUBLISHED:
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virtual ~GraphicsPipe();
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enum OutputTypes {
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OT_window = 0x0001,
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OT_fullscreen_window = 0x0002,
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OT_buffer = 0x0004,
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OT_texture_buffer = 0x0008,
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};
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INLINE bool is_valid() const;
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INLINE int get_supported_types() const;
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INLINE bool supports_type(int flags) const;
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INLINE int get_display_width() const;
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INLINE int get_display_height() const;
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virtual string get_interface_name() const=0;
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public:
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virtual int get_num_hw_channels();
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virtual HardwareChannel *get_hw_channel(GraphicsOutput *window, int index);
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INLINE GraphicsDevice *get_device() const;
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virtual PT(GraphicsDevice) make_device(void *scrn = NULL);
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protected:
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// The make_window() and make_gsg() interfaces on GraphicsPipe are
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// protected; don't try to call them directly. Instead, use
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// the interface on GraphicsEngine to make a new window or gsg.
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virtual PT(GraphicsStateGuardian) make_gsg(const FrameBufferProperties &properties,
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GraphicsStateGuardian *share_with);
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virtual void close_gsg(GraphicsStateGuardian *gsg);
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virtual PT(GraphicsWindow) make_window(GraphicsStateGuardian *gsg,
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const string &name);
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virtual PT(GraphicsBuffer) make_buffer(GraphicsStateGuardian *gsg,
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const string &name,
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int x_size, int y_size, bool want_texture);
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Mutex _lock;
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bool _is_valid;
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int _supported_types;
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int _display_width;
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int _display_height;
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PT(GraphicsDevice) _device;
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static const int strip_properties[];
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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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TypedReferenceCount::init_type();
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register_type(_type_handle, "GraphicsPipe",
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TypedReferenceCount::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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friend class GraphicsEngine;
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};
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#include "graphicsPipe.I"
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#endif /* GRAPHICSPIPE_H */
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