sp_texture.h revision f547472bfa0a797adacc2a7688b4c1ba65381a80
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 SP_TEXTURE_H 29#define SP_TEXTURE_H 30 31 32#include "pipe/p_state.h" 33#include "pipe/p_video_state.h" 34 35 36struct pipe_context; 37struct pipe_screen; 38struct softpipe_context; 39 40 41struct softpipe_texture 42{ 43 struct pipe_texture base; 44 45 unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS]; 46 unsigned stride[PIPE_MAX_TEXTURE_LEVELS]; 47 48 /* The data is held here: 49 */ 50 struct pipe_buffer *buffer; 51 52 /* True if texture images are power-of-two in all dimensions: 53 */ 54 boolean pot; 55 56 unsigned timestamp; 57}; 58 59struct softpipe_transfer 60{ 61 struct pipe_transfer base; 62 63 unsigned long offset; 64}; 65 66struct softpipe_video_surface 67{ 68 struct pipe_video_surface base; 69 70 /* The data is held here: 71 */ 72 struct pipe_texture *tex; 73}; 74 75 76/** cast wrappers */ 77static INLINE struct softpipe_texture * 78softpipe_texture(struct pipe_texture *pt) 79{ 80 return (struct softpipe_texture *) pt; 81} 82 83static INLINE struct softpipe_transfer * 84softpipe_transfer(struct pipe_transfer *pt) 85{ 86 return (struct softpipe_transfer *) pt; 87} 88 89static INLINE struct softpipe_video_surface * 90softpipe_video_surface(struct pipe_video_surface *pvs) 91{ 92 return (struct softpipe_video_surface *) pvs; 93} 94 95 96extern void 97softpipe_init_screen_texture_funcs(struct pipe_screen *screen); 98 99 100#endif /* SP_TEXTURE */ 101