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"
34 #include "lp_limits.h"
39 LP_TEX_USAGE_READ = 100,
40 LP_TEX_USAGE_READ_WRITE,
41 LP_TEX_USAGE_WRITE_ALL
47 struct llvmpipe_context;
49 struct sw_displaytarget;
52 /** A 1D/2D/3D image, one mipmap level */
53 struct llvmpipe_texture_image
60 * llvmpipe subclass of pipe_resource. A texture, drawing surface,
61 * vertex buffer, const buffer, etc.
62 * Textures are stored differently than other types of objects such as
63 * vertex buffers and const buffers.
64 * The latter are simple malloc'd blocks of memory.
66 struct llvmpipe_resource
68 struct pipe_resource base;
70 /** Row stride in bytes */
71 unsigned row_stride[LP_MAX_TEXTURE_LEVELS];
72 /** Image stride (for cube maps, array or 3D textures) in bytes */
73 unsigned img_stride[LP_MAX_TEXTURE_LEVELS];
74 /** Number of 3D slices or cube faces per level */
75 unsigned num_slices_faces[LP_MAX_TEXTURE_LEVELS];
76 /** Offset to start of mipmap level, in bytes */
77 unsigned linear_mip_offsets[LP_MAX_TEXTURE_LEVELS];
80 * Display target, for textures with the PIPE_BIND_DISPLAY_TARGET
83 struct sw_displaytarget *dt;
86 * Malloc'ed data for regular textures, or a mapping to dt above.
88 struct llvmpipe_texture_image linear_img;
91 * Data for non-texture resources.
95 boolean userBuffer; /** Is this a user-space buffer? */
98 unsigned id; /**< temporary, for debugging */
101 /** for linked list */
102 struct llvmpipe_resource *prev, *next;
107 struct llvmpipe_transfer
109 struct pipe_transfer base;
111 unsigned long offset;
116 static INLINE struct llvmpipe_resource *
117 llvmpipe_resource(struct pipe_resource *pt)
119 return (struct llvmpipe_resource *) pt;
123 static INLINE const struct llvmpipe_resource *
124 llvmpipe_resource_const(const struct pipe_resource *pt)
126 return (const struct llvmpipe_resource *) pt;
130 static INLINE struct llvmpipe_transfer *
131 llvmpipe_transfer(struct pipe_transfer *pt)
133 return (struct llvmpipe_transfer *) pt;
137 void llvmpipe_init_screen_resource_funcs(struct pipe_screen *screen);
138 void llvmpipe_init_context_resource_funcs(struct pipe_context *pipe);
141 static INLINE boolean
142 llvmpipe_resource_is_texture(const struct pipe_resource *resource)
144 switch (resource->target) {
147 case PIPE_TEXTURE_1D:
148 case PIPE_TEXTURE_1D_ARRAY:
149 case PIPE_TEXTURE_2D:
150 case PIPE_TEXTURE_2D_ARRAY:
151 case PIPE_TEXTURE_RECT:
152 case PIPE_TEXTURE_3D:
153 case PIPE_TEXTURE_CUBE:
162 static INLINE boolean
163 llvmpipe_resource_is_1d(const struct pipe_resource *resource)
165 switch (resource->target) {
167 case PIPE_TEXTURE_1D:
168 case PIPE_TEXTURE_1D_ARRAY:
170 case PIPE_TEXTURE_2D:
171 case PIPE_TEXTURE_2D_ARRAY:
172 case PIPE_TEXTURE_RECT:
173 case PIPE_TEXTURE_3D:
174 case PIPE_TEXTURE_CUBE:
183 static INLINE unsigned
184 llvmpipe_layer_stride(struct pipe_resource *resource,
187 struct llvmpipe_resource *lpr = llvmpipe_resource(resource);
188 assert(level < LP_MAX_TEXTURE_2D_LEVELS);
189 return lpr->img_stride[level];
193 static INLINE unsigned
194 llvmpipe_resource_stride(struct pipe_resource *resource,
197 struct llvmpipe_resource *lpr = llvmpipe_resource(resource);
198 assert(level < LP_MAX_TEXTURE_2D_LEVELS);
199 return lpr->row_stride[level];
204 llvmpipe_resource_map(struct pipe_resource *resource,
207 enum lp_texture_usage tex_usage);
210 llvmpipe_resource_unmap(struct pipe_resource *resource,
216 llvmpipe_resource_data(struct pipe_resource *resource);
220 llvmpipe_resource_size(const struct pipe_resource *resource);
224 llvmpipe_get_texture_image_address(struct llvmpipe_resource *lpr,
225 unsigned face_slice, unsigned level);
228 llvmpipe_get_texture_image(struct llvmpipe_resource *resource,
229 unsigned face_slice, unsigned level,
230 enum lp_texture_usage usage);
233 llvmpipe_get_texture_image_all(struct llvmpipe_resource *lpr,
235 enum lp_texture_usage usage);
238 llvmpipe_get_texture_tile_linear(struct llvmpipe_resource *lpr,
239 unsigned face_slice, unsigned level,
240 enum lp_texture_usage usage,
241 unsigned x, unsigned y);
245 llvmpipe_print_resources(void);
248 #define LP_UNREFERENCED 0
249 #define LP_REFERENCED_FOR_READ (1 << 0)
250 #define LP_REFERENCED_FOR_WRITE (1 << 1)
253 llvmpipe_is_resource_referenced( struct pipe_context *pipe,
254 struct pipe_resource *presource,
258 llvmpipe_get_format_alignment(enum pipe_format format);
260 #endif /* LP_TEXTURE_H */