summaryrefslogtreecommitdiff
path: root/intel/intel_bufmgr.h
blob: abe9711bcc88dd1f67618a4c9f47499999ad16cb (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
/*
 * Copyright © 2008 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>
 *
 */

/**
 * @file intel_bufmgr.h
 *
 * Public definitions of Intel-specific bufmgr functions.
 */

#ifndef INTEL_BUFMGR_H
#define INTEL_BUFMGR_H

#include <stdint.h>

struct drm_clip_rect;

typedef struct _drm_intel_bufmgr drm_intel_bufmgr;
typedef struct _drm_intel_bo drm_intel_bo;

struct _drm_intel_bo {
	/**
	 * Size in bytes of the buffer object.
	 *
	 * The size may be larger than the size originally requested for the
	 * allocation, such as being aligned to page size.
	 */
	unsigned long size;

	/**
	 * Alignment requirement for object
	 *
	 * Used for GTT mapping & pinning the object.
	 */
	unsigned long align;

	/**
	 * Last seen card virtual address (offset from the beginning of the
	 * aperture) for the object.  This should be used to fill relocation
	 * entries when calling drm_intel_bo_emit_reloc()
	 */
	unsigned long offset;

	/**
	 * Virtual address for accessing the buffer data.  Only valid while
	 * mapped.
	 */
#ifdef __cplusplus
	void *virt;
#else
	void *virtual;
#endif

	/** Buffer manager context associated with this buffer object */
	drm_intel_bufmgr *bufmgr;

	/**
	 * MM-specific handle for accessing object
	 */
	int handle;
};

#define BO_ALLOC_FOR_RENDER (1<<0)

drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
				 unsigned long size, unsigned int alignment);
drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr,
					    const char *name,
					    unsigned long size,
					    unsigned int alignment);
drm_intel_bo *drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr,
				       const char *name,
				       int x, int y, int cpp,
				       uint32_t *tiling_mode,
				       unsigned long *pitch,
				       unsigned long flags);
void drm_intel_bo_reference(drm_intel_bo *bo);
void drm_intel_bo_unreference(drm_intel_bo *bo);
int drm_intel_bo_map(drm_intel_bo *bo, int write_enable);
int drm_intel_bo_unmap(drm_intel_bo *bo);

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

void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug);
void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr);
int drm_intel_bo_exec(drm_intel_bo *bo, int used,
		      struct drm_clip_rect *cliprects, int num_cliprects, int DR4);
int drm_intel_bo_mrb_exec(drm_intel_bo *bo, int used,
			struct drm_clip_rect *cliprects, int num_cliprects, int DR4,
			unsigned int flags);
int drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count);

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);
int drm_intel_bo_emit_reloc_fence(drm_intel_bo *bo, uint32_t offset,
				  drm_intel_bo *target_bo,
				  uint32_t target_offset,
				  uint32_t read_domains, uint32_t write_domain);
int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment);
int drm_intel_bo_unpin(drm_intel_bo *bo);
int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
			    uint32_t stride);
int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
			    uint32_t * swizzle_mode);
int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t * name);
int drm_intel_bo_busy(drm_intel_bo *bo);
int drm_intel_bo_madvise(drm_intel_bo *bo, int madv);

int drm_intel_bo_disable_reuse(drm_intel_bo *bo);
int drm_intel_bo_is_reusable(drm_intel_bo *bo);
int drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo);

/* drm_intel_bufmgr_gem.c */
drm_intel_bufmgr *drm_intel_bufmgr_gem_init(int fd, int batch_size);
drm_intel_bo *drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr,
						const char *name,
						unsigned int handle);
void drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr);
void drm_intel_bufmgr_gem_enable_fenced_relocs(drm_intel_bufmgr *bufmgr);
int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo);
int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo);
int drm_intel_gem_bo_get_reloc_count(drm_intel_bo *bo);
void drm_intel_gem_bo_clear_relocs(drm_intel_bo *bo, int start);
void drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable);

int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id);

int drm_intel_get_aperture_sizes(int fd, size_t *mappable, size_t *total);

/* drm_intel_bufmgr_fake.c */
drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
					     unsigned long low_offset,
					     void *low_virtual,
					     unsigned long size,
					     volatile unsigned int
					     *last_dispatch);
void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr,
					     volatile unsigned int
					     *last_dispatch);
void drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr,
					     int (*exec) (drm_intel_bo *bo,
							  unsigned int used,
							  void *priv),
					     void *priv);
void drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr,
					      unsigned int (*emit) (void *priv),
					      void (*wait) (unsigned int fence,
							    void *priv),
					      void *priv);
drm_intel_bo *drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr,
					     const char *name,
					     unsigned long offset,
					     unsigned long size, void *virt);
void drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo,
					     void (*invalidate_cb) (drm_intel_bo
								    * bo,
								    void *ptr),
					     void *ptr);

void drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr);
void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr);

/** @{ Compatibility defines to keep old code building despite the symbol rename
 * from dri_* to drm_intel_*
 */
#define dri_bo drm_intel_bo
#define dri_bufmgr drm_intel_bufmgr
#define dri_bo_alloc drm_intel_bo_alloc
#define dri_bo_reference drm_intel_bo_reference
#define dri_bo_unreference drm_intel_bo_unreference
#define dri_bo_map drm_intel_bo_map
#define dri_bo_unmap drm_intel_bo_unmap
#define dri_bo_subdata drm_intel_bo_subdata
#define dri_bo_get_subdata drm_intel_bo_get_subdata
#define dri_bo_wait_rendering drm_intel_bo_wait_rendering
#define dri_bufmgr_set_debug drm_intel_bufmgr_set_debug
#define dri_bufmgr_destroy drm_intel_bufmgr_destroy
#define dri_bo_exec drm_intel_bo_exec
#define dri_bufmgr_check_aperture_space drm_intel_bufmgr_check_aperture_space
#define dri_bo_emit_reloc(reloc_bo, read, write, target_offset,		\
			  reloc_offset, target_bo)			\
	drm_intel_bo_emit_reloc(reloc_bo, reloc_offset,			\
				target_bo, target_offset,		\
				read, write);
#define dri_bo_pin drm_intel_bo_pin
#define dri_bo_unpin drm_intel_bo_unpin
#define dri_bo_get_tiling drm_intel_bo_get_tiling
#define dri_bo_set_tiling(bo, mode) drm_intel_bo_set_tiling(bo, mode, 0)
#define dri_bo_flink drm_intel_bo_flink
#define intel_bufmgr_gem_init drm_intel_bufmgr_gem_init
#define intel_bo_gem_create_from_name drm_intel_bo_gem_create_from_name
#define intel_bufmgr_gem_enable_reuse drm_intel_bufmgr_gem_enable_reuse
#define intel_bufmgr_fake_init drm_intel_bufmgr_fake_init
#define intel_bufmgr_fake_set_last_dispatch drm_intel_bufmgr_fake_set_last_dispatch
#define intel_bufmgr_fake_set_exec_callback drm_intel_bufmgr_fake_set_exec_callback
#define intel_bufmgr_fake_set_fence_callback drm_intel_bufmgr_fake_set_fence_callback
#define intel_bo_fake_alloc_static drm_intel_bo_fake_alloc_static
#define intel_bo_fake_disable_backing_store drm_intel_bo_fake_disable_backing_store
#define intel_bufmgr_fake_contended_lock_take drm_intel_bufmgr_fake_contended_lock_take
#define intel_bufmgr_fake_evict_all drm_intel_bufmgr_fake_evict_all

/** @{ */

#endif /* INTEL_BUFMGR_H */