summaryrefslogtreecommitdiff
path: root/libdrm/intel/intel_bufmgr.c
blob: 20e59b86044781ccd3f9b301cf401865ba998452 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
/*
 * Copyright © 2007 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <errno.h>
#include <drm.h>
#include <i915_drm.h>
#include "intel_bufmgr.h"
#include "intel_bufmgr_priv.h"

/** @file intel_bufmgr.c
 *
 * Convenience functions for buffer management methods.
 */

drm_intel_bo *
drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
		   unsigned long size, unsigned int alignment)
{
   return bufmgr->bo_alloc(bufmgr, name, size, alignment);
}

drm_intel_bo *
drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, const char *name,
			      unsigned long size, unsigned int alignment)
{
   return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment);
}

void
drm_intel_bo_reference(drm_intel_bo *bo)
{
   bo->bufmgr->bo_reference(bo);
}

void
drm_intel_bo_unreference(drm_intel_bo *bo)
{
   if (bo == NULL)
      return;

   bo->bufmgr->bo_unreference(bo);
}

int
drm_intel_bo_map(drm_intel_bo *buf, int write_enable)
{
   return buf->bufmgr->bo_map(buf, write_enable);
}

int
drm_intel_bo_unmap(drm_intel_bo *buf)
{
   return buf->bufmgr->bo_unmap(buf);
}

int
drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
		     unsigned long size, const void *data)
{
   int ret;

   if (bo->bufmgr->bo_subdata)
      return bo->bufmgr->bo_subdata(bo, offset, size, data);
   if (size == 0 || data == NULL)
      return 0;

   ret = drm_intel_bo_map(bo, 1);
   if (ret)
       return ret;
   memcpy((unsigned char *)bo->virtual + offset, data, size);
   drm_intel_bo_unmap(bo);
   return 0;
}

int
drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
			 unsigned long size, void *data)
{
   int ret;
   if (bo->bufmgr->bo_subdata)
      return bo->bufmgr->bo_get_subdata(bo, offset, size, data);

   if (size == 0 || data == NULL)
      return 0;

   ret = drm_intel_bo_map(bo, 0);
   if (ret)
       return ret;
   memcpy(data, (unsigned char *)bo->virtual + offset, size);
   drm_intel_bo_unmap(bo);
   return 0;
}

void
drm_intel_bo_wait_rendering(drm_intel_bo *bo)
{
   bo->bufmgr->bo_wait_rendering(bo);
}

void
drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr)
{
   bufmgr->destroy(bufmgr);
}

int
drm_intel_bo_exec(drm_intel_bo *bo, int used,
		  drm_clip_rect_t *cliprects, int num_cliprects,
		  int DR4)
{
   return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4);
}

void
drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug)
{
   bufmgr->debug = enable_debug;
}

int
drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count)
{
	return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
}

int
drm_intel_bo_flink(drm_intel_bo *bo, uint32_t *name)
{
    if (bo->bufmgr->bo_flink)
	return bo->bufmgr->bo_flink(bo, name);

    return -ENODEV;
}

int
drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
			drm_intel_bo *target_bo, uint32_t target_offset,
			uint32_t read_domains, uint32_t write_domain)
{
	return bo->bufmgr->bo_emit_reloc(bo, offset,
					 target_bo, target_offset,
					 read_domains, write_domain);
}

int
drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment)
{
    if (bo->bufmgr->bo_pin)
	return bo->bufmgr->bo_pin(bo, alignment);

    return -ENODEV;
}

int
drm_intel_bo_unpin(drm_intel_bo *bo)
{
    if (bo->bufmgr->bo_unpin)
	return bo->bufmgr->bo_unpin(bo);

    return -ENODEV;
}

int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
			    uint32_t stride)
{
    if (bo->bufmgr->bo_set_tiling)
	return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride);

    *tiling_mode = I915_TILING_NONE;
    return 0;
}

int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
			    uint32_t *swizzle_mode)
{
    if (bo->bufmgr->bo_get_tiling)
	return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode);

    *tiling_mode = I915_TILING_NONE;
    *swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
    return 0;
}

int drm_intel_bo_disable_reuse(drm_intel_bo *bo)
{
	if (bo->bufmgr->bo_disable_reuse)
		return bo->bufmgr->bo_disable_reuse(bo);
	return 0;
}

int drm_intel_bo_busy(drm_intel_bo *bo)
{
	if (bo->bufmgr->bo_busy)
		return bo->bufmgr->bo_busy(bo);
	return 0;
}

int
drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo)
{
	return bo->bufmgr->bo_references(bo, target_bo);
}

int
drm_intel_get_pipe_from_crtc_id (drm_intel_bufmgr *bufmgr, int crtc_id)
{
	if (bufmgr->get_pipe_from_crtc_id)
		return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id);
	return -1;
}