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_resource_stride(struct pipe_resource
*resource
,
187 struct llvmpipe_resource
*lpr
= llvmpipe_resource(resource
);
188 assert(level
< LP_MAX_TEXTURE_2D_LEVELS
);
189 return lpr
->row_stride
[level
];
194 llvmpipe_resource_map(struct pipe_resource
*resource
,
197 enum lp_texture_usage tex_usage
);
200 llvmpipe_resource_unmap(struct pipe_resource
*resource
,
206 llvmpipe_resource_data(struct pipe_resource
*resource
);
210 llvmpipe_resource_size(const struct pipe_resource
*resource
);
214 llvmpipe_get_texture_image_address(struct llvmpipe_resource
*lpr
,
215 unsigned face_slice
, unsigned level
);
218 llvmpipe_get_texture_image(struct llvmpipe_resource
*resource
,
219 unsigned face_slice
, unsigned level
,
220 enum lp_texture_usage usage
);
223 llvmpipe_get_texture_image_all(struct llvmpipe_resource
*lpr
,
225 enum lp_texture_usage usage
);
228 llvmpipe_get_texture_tile_linear(struct llvmpipe_resource
*lpr
,
229 unsigned face_slice
, unsigned level
,
230 enum lp_texture_usage usage
,
231 unsigned x
, unsigned y
);
235 llvmpipe_print_resources(void);
238 #define LP_UNREFERENCED 0
239 #define LP_REFERENCED_FOR_READ (1 << 0)
240 #define LP_REFERENCED_FOR_WRITE (1 << 1)
243 llvmpipe_is_resource_referenced( struct pipe_context
*pipe
,
244 struct pipe_resource
*presource
,
248 llvmpipe_get_format_alignment(enum pipe_format format
);
250 #endif /* LP_TEXTURE_H */