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
void register_type(TypeHandle &type_handle, const string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(), along with zero to four record_derivation()s.
Definition: register_type.I:22
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
A table of objects that are saved within the graphics context for reference by handle later...
virtual void evict_lru()
Evicts the page from the LRU.
This is a special class object that holds all the information returned by a particular GSG to indicat...
An offscreen render buffer.
Represents a texture object, which is typically a single 2-d image but may also represent a 1-d or 3-...
Definition: texture.h:70
return result
Returns a new RenderEffects object that represents the same as the source state, with the new RenderE...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.