WGL_ARB_render_texture
http://www.opengl.org/registry/specs/ARB/wgl_render_texture.txt
WGL_ARB_render_texture
WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
WGL_TEXTURE_FORMAT_ARB 0x2072
WGL_TEXTURE_TARGET_ARB 0x2073
WGL_MIPMAP_TEXTURE_ARB 0x2074
WGL_TEXTURE_RGB_ARB 0x2075
WGL_TEXTURE_RGBA_ARB 0x2076
WGL_NO_TEXTURE_ARB 0x2077
WGL_TEXTURE_CUBE_MAP_ARB 0x2078
WGL_TEXTURE_1D_ARB 0x2079
WGL_TEXTURE_2D_ARB 0x207A
WGL_MIPMAP_LEVEL_ARB 0x207B
WGL_CUBE_MAP_FACE_ARB 0x207C
WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
WGL_FRONT_LEFT_ARB 0x2083
WGL_FRONT_RIGHT_ARB 0x2084
WGL_BACK_LEFT_ARB 0x2085
WGL_BACK_RIGHT_ARB 0x2086
WGL_AUX0_ARB 0x2087
WGL_AUX1_ARB 0x2088
WGL_AUX2_ARB 0x2089
WGL_AUX3_ARB 0x208A
WGL_AUX4_ARB 0x208B
WGL_AUX5_ARB 0x208C
WGL_AUX6_ARB 0x208D
WGL_AUX7_ARB 0x208E
WGL_AUX8_ARB 0x208F
WGL_AUX9_ARB 0x2090
BOOL wglBindTexImageARB (HPBUFFERARB hPbuffer, int iBuffer)
BOOL wglReleaseTexImageARB (HPBUFFERARB hPbuffer, int iBuffer)
BOOL wglSetPbufferAttribARB (HPBUFFERARB hPbuffer, const int* piAttribList)