106 lines
3.1 KiB
C
106 lines
3.1 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 wdxGraphicsBuffer9.h
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* @author drose
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* @date 2004-02-08
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*/
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#ifndef wdxGraphicsBuffer9_H
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#define wdxGraphicsBuffer9_H
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#include "pandabase.h"
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#include "graphicsBuffer.h"
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#include "dxgsg9base.h"
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#include "dxTextureContext9.h"
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/**
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* An offscreen render buffer. In OpenGL under Windows, this simply renders
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* into a window that is never made visible. There's a Windows interface for
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* rendering into a DIB, but this puts restrictions on the kind of pixelformat
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* we can use, and thus makes it difficult to support one GSG rendering into
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* an offscreen buffer and also into a window.
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*/
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class EXPCL_PANDADX wdxGraphicsBuffer9 : public GraphicsBuffer {
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public:
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wdxGraphicsBuffer9(GraphicsEngine *engine, 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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virtual ~wdxGraphicsBuffer9();
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virtual INLINE bool get_supports_render_texture() const;
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virtual bool begin_frame(FrameMode mode, Thread *current_thread);
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virtual void end_frame(FrameMode mode, Thread *current_thread);
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virtual void select_target_tex_page(int page);
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virtual void process_events();
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virtual bool share_depth_buffer(GraphicsOutput *graphics_output);
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virtual void unshare_depth_buffer();
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void register_shared_depth_buffer(GraphicsOutput *graphics_output);
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void unregister_shared_depth_buffer(GraphicsOutput *graphics_output);
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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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private:
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bool save_bitplanes();
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bool rebuild_bitplanes();
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void restore_bitplanes();
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static void process_1_event();
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int _cube_map_index;
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DXGraphicsStateGuardian9 *_dxgsg;
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IDirect3DSurface9 *_saved_color_buffer;
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IDirect3DSurface9 *_saved_depth_buffer;
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D3DSURFACE_DESC _saved_color_desc;
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D3DSURFACE_DESC _saved_depth_desc;
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IDirect3DSurface9 *_color_backing_store;
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IDirect3DSurface9 *_depth_backing_store;
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int _backing_sizex;
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int _backing_sizey;
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wdxGraphicsBuffer9 *_shared_depth_buffer;
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std::list <wdxGraphicsBuffer9 *> _shared_depth_buffer_list;
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wdxGraphicsBuffer9 **_this;
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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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GraphicsBuffer::init_type();
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register_type(_type_handle, "wdxGraphicsBuffer9",
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GraphicsBuffer::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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bool _debug;
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static TypeHandle _type_handle;
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friend class DXGraphicsStateGuardian9;
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friend class DXTextureContext9;
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};
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#include "wdxGraphicsBuffer9.I"
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#endif
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