Panda3D
dxTextureContext9.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file dxTextureContext9.h
10  * @author drose
11  * @date 1999-10-07
12  */
13 
14 #ifndef DXTEXTURECONTEXT9_H
15 #define DXTEXTURECONTEXT9_H
16 
17 #include "dxgsg9base.h"
18 #include "texture.h"
19 #include "textureContext.h"
20 
21 /**
22  *
23  */
24 class EXPCL_PANDADX DXTextureContext9 : public TextureContext {
25 public:
27  virtual ~DXTextureContext9();
28 
29  virtual void evict_lru();
30 
31  bool create_texture(DXScreenData &scrn);
32  bool create_simple_texture(DXScreenData &scrn);
33  void delete_texture();
34  bool extract_texture_data(DXScreenData &scrn);
35 
36  INLINE bool has_mipmaps() const;
37  INLINE IDirect3DBaseTexture9 *get_d3d_texture() const;
38  INLINE IDirect3DTexture9 *get_d3d_2d_texture() const;
39  INLINE IDirect3DVolumeTexture9 *get_d3d_volume_texture() const;
40  INLINE IDirect3DCubeTexture9 *get_d3d_cube_texture() const;
41 
42  static HRESULT d3d_surface_to_texture(RECT &source_rect,
43  IDirect3DSurface9 *d3d_surface,
44  bool inverted, Texture *result,
45  int view, int z);
46 
47 private:
48  HRESULT fill_d3d_texture_mipmap_pixels(int mip_level, int depth_index, D3DFORMAT source_format);
49  HRESULT fill_d3d_texture_pixels(DXScreenData &scrn, bool compress_texture);
50  HRESULT fill_d3d_volume_texture_pixels(DXScreenData &scrn);
51  static int down_to_power_2(int value);
52  unsigned int get_bits_per_pixel(Texture::Format format, int *alphbits);
53  PN_stdfloat d3d_format_to_bytes_per_pixel (D3DFORMAT format);
54 
55 private:
56  D3DFORMAT _d3d_format; // the 'D3DFORMAT' the Panda TextureBuffer fmt corresponds to
57  IDirect3DBaseTexture9 *_d3d_texture;
58  IDirect3DTexture9 *_d3d_2d_texture;
59  IDirect3DVolumeTexture9 *_d3d_volume_texture;
60  IDirect3DCubeTexture9 *_d3d_cube_texture;
61 
62  int _managed;
63 
64 private:
65  bool _has_mipmaps;
66  bool _is_render_target;
67 
68 public:
69  static TypeHandle get_class_type() {
70  return _type_handle;
71  }
72  static void init_type() {
73  TextureContext::init_type();
74  register_type(_type_handle, "DXTextureContext9",
75  TextureContext::get_class_type());
76  }
77  virtual TypeHandle get_type() const {
78  return get_class_type();
79  }
80  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
81 
82 private:
83  static TypeHandle _type_handle;
84 
85  friend class wdxGraphicsBuffer9;
86 };
87 
88 #include "dxTextureContext9.I"
89 
90 #endif
virtual void evict_lru()
Evicts the page from the LRU.
A table of objects that are saved within the graphics context for reference by handle later.
This is a special class object that holds all the information returned by a particular GSG to indicat...
Represents a texture object, which is typically a single 2-d image but may also represent a 1-d or 3-...
Definition: texture.h:71
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
An offscreen render buffer.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition: register_type.I:22
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.