Panda3D
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00001 // Filename: dxTextureContext8.h 00002 // Created by: drose (07Oct99) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef DXTEXTURECONTEXT8_H 00016 #define DXTEXTURECONTEXT8_H 00017 00018 #include "dxgsg8base.h" 00019 #include "texture.h" 00020 #include "textureContext.h" 00021 00022 //////////////////////////////////////////////////////////////////// 00023 // Class : DXTextureContext8 00024 // Description : 00025 //////////////////////////////////////////////////////////////////// 00026 class EXPCL_PANDADX DXTextureContext8 : public TextureContext { 00027 public: 00028 DXTextureContext8(PreparedGraphicsObjects *pgo, Texture *tex, int view); 00029 virtual ~DXTextureContext8(); 00030 00031 virtual void evict_lru(); 00032 00033 bool create_texture(DXScreenData &scrn); 00034 bool create_simple_texture(DXScreenData &scrn); 00035 void delete_texture(); 00036 bool extract_texture_data(); 00037 00038 INLINE bool has_mipmaps() const; 00039 INLINE IDirect3DBaseTexture8 *get_d3d_texture() const; 00040 INLINE IDirect3DTexture8 *get_d3d_2d_texture() const; 00041 INLINE IDirect3DVolumeTexture8 *get_d3d_volume_texture() const; 00042 INLINE IDirect3DCubeTexture8 *get_d3d_cube_texture() const; 00043 00044 static HRESULT d3d_surface_to_texture(RECT &source_rect, 00045 IDirect3DSurface8 *d3d_surface, 00046 bool inverted, Texture *result, 00047 int z); 00048 00049 private: 00050 HRESULT fill_d3d_texture_mipmap_pixels(int mip_level, int depth_index, D3DFORMAT source_format); 00051 HRESULT fill_d3d_texture_pixels(); 00052 HRESULT fill_d3d_texture_pixels(DXScreenData &scrn); 00053 HRESULT fill_d3d_volume_texture_pixels(DXScreenData &scrn); 00054 static int down_to_power_2(int value); 00055 unsigned int get_bits_per_pixel(Texture::Format format, int *alphbits); 00056 00057 private: 00058 D3DFORMAT _d3d_format; // the 'D3DFORMAT' the Panda TextureBuffer fmt corresponds to 00059 IDirect3DBaseTexture8 *_d3d_texture; 00060 IDirect3DTexture8 *_d3d_2d_texture; 00061 IDirect3DVolumeTexture8 *_d3d_volume_texture; 00062 IDirect3DCubeTexture8 *_d3d_cube_texture; 00063 00064 bool _has_mipmaps; 00065 00066 public: 00067 static TypeHandle get_class_type() { 00068 return _type_handle; 00069 } 00070 static void init_type() { 00071 TextureContext::init_type(); 00072 register_type(_type_handle, "DXTextureContext8", 00073 TextureContext::get_class_type()); 00074 } 00075 virtual TypeHandle get_type() const { 00076 return get_class_type(); 00077 } 00078 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00079 00080 private: 00081 static TypeHandle _type_handle; 00082 00083 friend class wdxGraphicsBuffer8; 00084 }; 00085 00086 #include "dxTextureContext8.I" 00087 00088 #endif 00089