1 /*
2 * Copyright © 2007 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
32 #include <string.h>
33 #include <stdlib.h>
34 #include <stdint.h>
35 #include <assert.h>
36 #include <errno.h>
37 #include <drm.h>
38 #include <i915_drm.h>
39 #include "intel_bufmgr.h"
40 #include "intel_bufmgr_priv.h"
42 /** @file intel_bufmgr.c
43 *
44 * Convenience functions for buffer management methods.
45 */
47 drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
48 unsigned long size, unsigned int alignment)
49 {
50 return bufmgr->bo_alloc(bufmgr, name, size, alignment);
51 }
53 drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr,
54 const char *name,
55 unsigned long size,
56 unsigned int alignment)
57 {
58 return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment);
59 }
61 drm_intel_bo *
62 drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr, const char *name,
63 int x, int y, int cpp, uint32_t *tiling_mode,
64 unsigned long *pitch, unsigned long flags)
65 {
66 return bufmgr->bo_alloc_tiled(bufmgr, name, x, y, cpp,
67 tiling_mode, pitch, flags);
68 }
70 void drm_intel_bo_reference(drm_intel_bo *bo)
71 {
72 bo->bufmgr->bo_reference(bo);
73 }
75 void drm_intel_bo_unreference(drm_intel_bo *bo)
76 {
77 if (bo == NULL)
78 return;
80 bo->bufmgr->bo_unreference(bo);
81 }
83 int drm_intel_bo_map(drm_intel_bo *buf, int write_enable)
84 {
85 return buf->bufmgr->bo_map(buf, write_enable);
86 }
88 int drm_intel_bo_unmap(drm_intel_bo *buf)
89 {
90 return buf->bufmgr->bo_unmap(buf);
91 }
93 int
94 drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
95 unsigned long size, const void *data)
96 {
97 return bo->bufmgr->bo_subdata(bo, offset, size, data);
98 }
100 int
101 drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
102 unsigned long size, void *data)
103 {
104 int ret;
105 if (bo->bufmgr->bo_subdata)
106 return bo->bufmgr->bo_get_subdata(bo, offset, size, data);
108 if (size == 0 || data == NULL)
109 return 0;
111 ret = drm_intel_bo_map(bo, 0);
112 if (ret)
113 return ret;
114 memcpy(data, (unsigned char *)bo->virtual + offset, size);
115 drm_intel_bo_unmap(bo);
116 return 0;
117 }
119 void drm_intel_bo_wait_rendering(drm_intel_bo *bo)
120 {
121 bo->bufmgr->bo_wait_rendering(bo);
122 }
124 void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr)
125 {
126 bufmgr->destroy(bufmgr);
127 }
129 int
130 drm_intel_bo_exec(drm_intel_bo *bo, int used,
131 drm_clip_rect_t * cliprects, int num_cliprects, int DR4)
132 {
133 return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4);
134 }
136 int
137 drm_intel_bo_mrb_exec(drm_intel_bo *bo, int used,
138 drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
139 unsigned int rings)
140 {
141 if (bo->bufmgr->bo_mrb_exec)
142 return bo->bufmgr->bo_mrb_exec(bo, used,
143 cliprects, num_cliprects, DR4,
144 rings);
146 return -ENODEV;
147 }
149 void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug)
150 {
151 bufmgr->debug = enable_debug;
152 }
154 int drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count)
155 {
156 return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
157 }
159 int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t * name)
160 {
161 if (bo->bufmgr->bo_flink)
162 return bo->bufmgr->bo_flink(bo, name);
164 return -ENODEV;
165 }
167 int
168 drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
169 drm_intel_bo *target_bo, uint32_t target_offset,
170 uint32_t read_domains, uint32_t write_domain)
171 {
172 return bo->bufmgr->bo_emit_reloc(bo, offset,
173 target_bo, target_offset,
174 read_domains, write_domain);
175 }
177 /* For fence registers, not GL fences */
178 int
179 drm_intel_bo_emit_reloc_fence(drm_intel_bo *bo, uint32_t offset,
180 drm_intel_bo *target_bo, uint32_t target_offset,
181 uint32_t read_domains, uint32_t write_domain)
182 {
183 return bo->bufmgr->bo_emit_reloc_fence(bo, offset,
184 target_bo, target_offset,
185 read_domains, write_domain);
186 }
189 int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment)
190 {
191 if (bo->bufmgr->bo_pin)
192 return bo->bufmgr->bo_pin(bo, alignment);
194 return -ENODEV;
195 }
197 int drm_intel_bo_unpin(drm_intel_bo *bo)
198 {
199 if (bo->bufmgr->bo_unpin)
200 return bo->bufmgr->bo_unpin(bo);
202 return -ENODEV;
203 }
205 int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
206 uint32_t stride)
207 {
208 if (bo->bufmgr->bo_set_tiling)
209 return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride);
211 *tiling_mode = I915_TILING_NONE;
212 return 0;
213 }
215 int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
216 uint32_t * swizzle_mode)
217 {
218 if (bo->bufmgr->bo_get_tiling)
219 return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode);
221 *tiling_mode = I915_TILING_NONE;
222 *swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
223 return 0;
224 }
226 int drm_intel_bo_disable_reuse(drm_intel_bo *bo)
227 {
228 if (bo->bufmgr->bo_disable_reuse)
229 return bo->bufmgr->bo_disable_reuse(bo);
230 return 0;
231 }
233 int drm_intel_bo_is_reusable(drm_intel_bo *bo)
234 {
235 if (bo->bufmgr->bo_is_reusable)
236 return bo->bufmgr->bo_is_reusable(bo);
237 return 0;
238 }
240 int drm_intel_bo_busy(drm_intel_bo *bo)
241 {
242 if (bo->bufmgr->bo_busy)
243 return bo->bufmgr->bo_busy(bo);
244 return 0;
245 }
247 int drm_intel_bo_madvise(drm_intel_bo *bo, int madv)
248 {
249 if (bo->bufmgr->bo_madvise)
250 return bo->bufmgr->bo_madvise(bo, madv);
251 return -1;
252 }
254 int drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo)
255 {
256 return bo->bufmgr->bo_references(bo, target_bo);
257 }
259 int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id)
260 {
261 if (bufmgr->get_pipe_from_crtc_id)
262 return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id);
263 return -1;
264 }