1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
32 #include "pipe/p_state.h"
33 #include "util/u_debug.h"
36 #define LP_MAX_TEXTURE_2D_LEVELS 12 /* 2K x 2K for now */
37 #define LP_MAX_TEXTURE_3D_LEVELS 10 /* 512 x 512 x 512 for now */
42 struct llvmpipe_context;
44 struct sw_displaytarget;
47 struct llvmpipe_texture
49 struct pipe_texture base;
51 unsigned long level_offset[LP_MAX_TEXTURE_2D_LEVELS];
52 unsigned stride[LP_MAX_TEXTURE_2D_LEVELS];
55 * Display target, for textures with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET
58 struct sw_displaytarget *dt;
61 * Malloc'ed data for regular textures, or a mapping to dt above.
69 struct llvmpipe_transfer
71 struct pipe_transfer base;
78 static INLINE struct llvmpipe_texture *
79 llvmpipe_texture(struct pipe_texture *pt)
81 return (struct llvmpipe_texture *) pt;
85 static INLINE const struct llvmpipe_texture *
86 llvmpipe_texture_const(const struct pipe_texture *pt)
88 return (const struct llvmpipe_texture *) pt;
92 static INLINE struct llvmpipe_transfer *
93 llvmpipe_transfer(struct pipe_transfer *pt)
95 return (struct llvmpipe_transfer *) pt;
99 static INLINE unsigned
100 llvmpipe_texture_stride(struct pipe_texture *texture,
103 struct llvmpipe_texture *lpt = llvmpipe_texture(texture);
104 assert(level < LP_MAX_TEXTURE_2D_LEVELS);
105 return lpt->stride[level];
110 llvmpipe_texture_map(struct pipe_texture *texture,
116 llvmpipe_texture_unmap(struct pipe_texture *texture,
122 llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen);
125 llvmpipe_init_context_texture_funcs(struct pipe_context *pipe);
127 #endif /* LP_TEXTURE_H */