125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
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/**
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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 drawableRegion.h
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* @author drose
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* @date 2002-07-11
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*/
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#ifndef DRAWABLEREGION_H
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#define DRAWABLEREGION_H
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#include "pandabase.h"
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#include "luse.h"
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#include "renderBuffer.h"
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#include "typedWritableReferenceCount.h"
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/**
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* This is a base class for GraphicsWindow (actually, GraphicsOutput) and
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* DisplayRegion, both of which are conceptually rectangular regions into
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* which drawing commands may be issued. Sometimes you want to deal with a
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* single display region, and sometimes you want to deal with the whole window
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* at once, particularly for issuing clear commands and capturing screenshots.
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*/
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class EXPCL_PANDA_DISPLAY DrawableRegion {
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public:
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INLINE DrawableRegion();
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INLINE DrawableRegion(const DrawableRegion ©);
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INLINE void operator = (const DrawableRegion ©);
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virtual ~DrawableRegion();
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INLINE void copy_clear_settings(const DrawableRegion ©);
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PUBLISHED:
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// It seems awkward to have this type, and also RenderBuffer::Type.
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// However, the fact that RenderBuffer::Type is a bitmask makes it awfully
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// awkward to work with.
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enum RenderTexturePlane {
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RTP_stencil=0,
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RTP_depth_stencil=1,
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RTP_color,
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RTP_aux_rgba_0,
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RTP_aux_rgba_1,
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RTP_aux_rgba_2,
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RTP_aux_rgba_3,
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RTP_aux_hrgba_0,
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RTP_aux_hrgba_1,
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RTP_aux_hrgba_2,
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RTP_aux_hrgba_3,
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RTP_aux_float_0,
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RTP_aux_float_1,
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RTP_aux_float_2,
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RTP_aux_float_3,
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RTP_depth,
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RTP_COUNT
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};
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INLINE void set_clear_color_active(bool clear_color_active);
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INLINE bool get_clear_color_active() const;
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INLINE void set_clear_depth_active(bool clear_depth_active);
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INLINE bool get_clear_depth_active() const;
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INLINE void set_clear_stencil_active(bool clear_stencil_active);
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INLINE bool get_clear_stencil_active() const;
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INLINE void set_clear_color(const LColor &color);
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INLINE const LColor &get_clear_color() const;
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MAKE_PROPERTY(clear_color, get_clear_color, set_clear_color);
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INLINE void set_clear_depth(PN_stdfloat depth);
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INLINE PN_stdfloat get_clear_depth() const;
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MAKE_PROPERTY(clear_depth, get_clear_depth, set_clear_depth);
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INLINE void set_clear_stencil(unsigned int stencil);
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INLINE unsigned int get_clear_stencil() const;
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MAKE_PROPERTY(clear_stencil, get_clear_stencil, set_clear_stencil);
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virtual void set_clear_active(int n, bool clear_aux_active);
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virtual bool get_clear_active(int n) const;
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virtual void set_clear_value(int n, const LColor &clear_value);
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virtual const LColor &get_clear_value(int n) const;
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virtual void disable_clears();
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virtual bool is_any_clear_active() const;
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virtual void set_pixel_zoom(PN_stdfloat pixel_zoom);
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INLINE PN_stdfloat get_pixel_zoom() const;
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INLINE PN_stdfloat get_pixel_factor() const;
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virtual bool supports_pixel_zoom() const;
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MAKE_PROPERTY(pixel_zoom, get_pixel_zoom, set_pixel_zoom);
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MAKE_PROPERTY(pixel_factor, get_pixel_factor);
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static int get_renderbuffer_type(int plane);
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public:
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INLINE int get_screenshot_buffer_type() const;
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INLINE int get_draw_buffer_type() const;
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protected:
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INLINE void update_pixel_factor();
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virtual void pixel_factor_changed();
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protected:
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int _screenshot_buffer_type;
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int _draw_buffer_type;
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int _clear_mask;
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private:
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LColor _clear_value[RTP_COUNT];
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PN_stdfloat _pixel_zoom;
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PN_stdfloat _pixel_factor;
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};
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#include "drawableRegion.I"
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#endif
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