lp_texture.h revision c9a5930fe45a0a0299769bd2b672ca516d1bf39e
1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#ifndef LP_TEXTURE_H 29#define LP_TEXTURE_H 30 31 32#include "pipe/p_state.h" 33 34 35struct pipe_context; 36struct pipe_screen; 37struct llvmpipe_context; 38 39 40struct llvmpipe_texture 41{ 42 struct pipe_texture base; 43 44 unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS]; 45 unsigned stride[PIPE_MAX_TEXTURE_LEVELS]; 46 47 /* The data is held here: 48 */ 49 struct pipe_buffer *buffer; 50 51 boolean modified; 52}; 53 54struct llvmpipe_transfer 55{ 56 struct pipe_transfer base; 57 58 unsigned long offset; 59}; 60 61 62/** cast wrappers */ 63static INLINE struct llvmpipe_texture * 64llvmpipe_texture(struct pipe_texture *pt) 65{ 66 return (struct llvmpipe_texture *) pt; 67} 68 69static INLINE struct llvmpipe_transfer * 70llvmpipe_transfer(struct pipe_transfer *pt) 71{ 72 return (struct llvmpipe_transfer *) pt; 73} 74 75 76extern void 77llvmpipe_init_texture_funcs( struct llvmpipe_context *llvmpipe ); 78 79extern void 80llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen); 81 82 83#endif /* LP_TEXTURE */ 84