1 /**************************************************************************
3 * Copyright © 2009 Jakob Bornecrantz
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 **************************************************************************/
29 #include "pipe/p_compiler.h"
30 #include "pipe/p_defines.h"
31 #include "util/u_inlines.h"
34 struct pipe_fence_handle
;
36 /* Not sure why the winsys needs this:
38 #define BRW_BATCH_SIZE (32*1024)
40 struct brw_winsys_screen
;
42 /* Need a tiny bit of information inside the abstract buffer struct:
44 struct brw_winsys_buffer
{
45 struct pipe_reference reference
;
46 struct brw_winsys_screen
*sws
;
51 /* Should be possible to validate usages above against buffer creation
56 BRW_BUFFER_TYPE_TEXTURE
,
57 BRW_BUFFER_TYPE_SCANOUT
, /**< a texture used for scanning out from */
58 BRW_BUFFER_TYPE_VERTEX
,
59 BRW_BUFFER_TYPE_CURBE
,
60 BRW_BUFFER_TYPE_QUERY
,
61 BRW_BUFFER_TYPE_SHADER_CONSTANTS
,
62 BRW_BUFFER_TYPE_SHADER_SCRATCH
,
63 BRW_BUFFER_TYPE_BATCH
,
64 BRW_BUFFER_TYPE_GENERAL_STATE
,
65 BRW_BUFFER_TYPE_SURFACE_STATE
,
66 BRW_BUFFER_TYPE_PIXEL
, /* image uploads, pbo's, etc */
67 BRW_BUFFER_TYPE_GENERIC
, /* unknown */
68 BRW_BUFFER_TYPE_MAX
/* Count of possible values */
72 /* Describe the usage of a particular buffer in a relocation. The DRM
73 * winsys will translate these back to GEM read/write domain flags.
75 enum brw_buffer_usage
{
76 BRW_USAGE_STATE
, /* INSTRUCTION, 0 */
77 BRW_USAGE_QUERY_RESULT
, /* INSTRUCTION, INSTRUCTION */
78 BRW_USAGE_RENDER_TARGET
, /* RENDER, 0 */
79 BRW_USAGE_DEPTH_BUFFER
, /* RENDER, RENDER */
80 BRW_USAGE_BLIT_SOURCE
, /* RENDER, 0 */
81 BRW_USAGE_BLIT_DEST
, /* RENDER, RENDER */
82 BRW_USAGE_SAMPLER
, /* SAMPLER, 0 */
83 BRW_USAGE_VERTEX
, /* VERTEX, 0 */
84 BRW_USAGE_SCRATCH
, /* 0, 0 */
88 enum brw_buffer_data_type
{
92 BRW_DATA_GS_SAMPLER_DEFAULT_COLOR
,
103 BRW_DATA_GS_CLIP_UNIT
,
104 BRW_DATA_GS_CLIP_PROG
,
106 BRW_DATA_SS_SURF_BIND
,
107 BRW_DATA_CONSTANT_BUFFER
,
108 BRW_DATA_BATCH_BUFFER
,
114 /* Matches the i915_drm definitions:
116 #define BRW_TILING_NONE 0
117 #define BRW_TILING_X 1
118 #define BRW_TILING_Y 2
121 /* Relocations to be applied with subdata in a call to sws->bo_subdata, below.
123 * Effectively this encodes:
125 * (unsigned *)(subdata + offset) = bo->offset + delta
127 struct brw_winsys_reloc
{
128 enum brw_buffer_usage usage
; /* debug only */
131 struct brw_winsys_buffer
*bo
;
134 static INLINE
void make_reloc(struct brw_winsys_reloc
*reloc
,
135 enum brw_buffer_usage usage
,
138 struct brw_winsys_buffer
*bo
)
140 reloc
->usage
= usage
;
141 reloc
->delta
= delta
;
142 reloc
->offset
= offset
;
143 reloc
->bo
= bo
; /* Note - note taking a reference yet */
148 struct brw_winsys_screen
{
160 enum pipe_error (*bo_alloc
)(struct brw_winsys_screen
*sws
,
161 enum brw_buffer_type type
,
164 struct brw_winsys_buffer
**bo_out
);
166 enum pipe_error (*bo_from_handle
)(struct brw_winsys_screen
*sws
,
167 struct winsys_handle
*whandle
,
170 struct brw_winsys_buffer
**bo_out
);
172 enum pipe_error (*bo_get_handle
)(struct brw_winsys_buffer
*buffer
,
173 struct winsys_handle
*whandle
,
176 /* Destroy a buffer when our refcount goes to zero:
178 void (*bo_destroy
)(struct brw_winsys_buffer
*buffer
);
180 /* delta -- added to b2->offset, and written into buffer
181 * offset -- location above value is written to within buffer
183 enum pipe_error (*bo_emit_reloc
)(struct brw_winsys_buffer
*buffer
,
184 enum brw_buffer_usage usage
,
187 struct brw_winsys_buffer
*b2
);
189 enum pipe_error (*bo_exec
)(struct brw_winsys_buffer
*buffer
,
190 unsigned bytes_used
);
192 enum pipe_error (*bo_subdata
)(struct brw_winsys_buffer
*buffer
,
193 enum brw_buffer_data_type data_type
,
197 const struct brw_winsys_reloc
*reloc
,
200 boolean (*bo_is_busy
)(struct brw_winsys_buffer
*buffer
);
201 boolean (*bo_references
)(struct brw_winsys_buffer
*a
,
202 struct brw_winsys_buffer
*b
);
204 /* XXX: couldn't this be handled by returning true/false on
207 enum pipe_error (*check_aperture_space
)(struct brw_winsys_screen
*iws
,
208 struct brw_winsys_buffer
**buffers
,
214 void *(*bo_map
)(struct brw_winsys_buffer
*buffer
,
215 enum brw_buffer_data_type data_type
,
220 boolean flush_explicit
);
222 void (*bo_flush_range
)(struct brw_winsys_buffer
*buffer
,
229 void (*bo_unmap
)(struct brw_winsys_buffer
*buffer
);
233 /* Wait for buffer to go idle. Similar to map+unmap, but doesn't
234 * mark buffer contents as dirty.
236 void (*bo_wait_idle
)(struct brw_winsys_buffer
*buffer
);
239 * Destroy the winsys.
241 void (*destroy
)(struct brw_winsys_screen
*iws
);
245 bo_map_read(struct brw_winsys_screen
*sws
, struct brw_winsys_buffer
*buf
)
247 return sws
->bo_map( buf
,
250 FALSE
, FALSE
, FALSE
);
254 bo_reference(struct brw_winsys_buffer
**ptr
, struct brw_winsys_buffer
*buf
)
256 struct brw_winsys_buffer
*old_buf
= *ptr
;
258 if (pipe_reference(&(*ptr
)->reference
, &buf
->reference
))
259 old_buf
->sws
->bo_destroy(old_buf
);
266 /*************************************************************************
267 * Cooperative dumping between winsys and driver. TODO: make this
268 * driver-only by wrapping calls to winsys->bo_subdata().
278 #define DUMP_STATE 0x2
279 #define DUMP_BATCH 0x4
281 void brw_dump_data( unsigned pci_id
,
282 enum brw_buffer_data_type data_type
,