2 * Copyright © 2007 Intel Corporation
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:
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
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
24 * Eric Anholt <eric@anholt.net>
39 #include <pciaccess.h>
41 #include "intel_bufmgr.h"
42 #include "intel_bufmgr_priv.h"
45 /** @file intel_bufmgr.c
47 * Convenience functions for buffer management methods.
50 drm_public drm_intel_bo *
51 drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
52 unsigned long size, unsigned int alignment)
54 return bufmgr->bo_alloc(bufmgr, name, size, alignment);
57 drm_public drm_intel_bo *
58 drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, const char *name,
59 unsigned long size, unsigned int alignment)
61 return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment);
64 drm_public drm_intel_bo *
65 drm_intel_bo_alloc_userptr(drm_intel_bufmgr *bufmgr,
66 const char *name, void *addr,
72 if (bufmgr->bo_alloc_userptr)
73 return bufmgr->bo_alloc_userptr(bufmgr, name, addr, tiling_mode,
78 drm_public drm_intel_bo *
79 drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr, const char *name,
80 int x, int y, int cpp, uint32_t *tiling_mode,
81 unsigned long *pitch, unsigned long flags)
83 return bufmgr->bo_alloc_tiled(bufmgr, name, x, y, cpp,
84 tiling_mode, pitch, flags);
88 drm_intel_bo_reference(drm_intel_bo *bo)
90 bo->bufmgr->bo_reference(bo);
94 drm_intel_bo_unreference(drm_intel_bo *bo)
99 bo->bufmgr->bo_unreference(bo);
103 drm_intel_bo_map(drm_intel_bo *buf, int write_enable)
105 return buf->bufmgr->bo_map(buf, write_enable);
109 drm_intel_bo_unmap(drm_intel_bo *buf)
111 return buf->bufmgr->bo_unmap(buf);
115 drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
116 unsigned long size, const void *data)
118 return bo->bufmgr->bo_subdata(bo, offset, size, data);
122 drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
123 unsigned long size, void *data)
126 if (bo->bufmgr->bo_get_subdata)
127 return bo->bufmgr->bo_get_subdata(bo, offset, size, data);
129 if (size == 0 || data == NULL)
132 ret = drm_intel_bo_map(bo, 0);
135 memcpy(data, (unsigned char *)bo->virtual + offset, size);
136 drm_intel_bo_unmap(bo);
141 drm_intel_bo_wait_rendering(drm_intel_bo *bo)
143 bo->bufmgr->bo_wait_rendering(bo);
147 drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr)
149 bufmgr->destroy(bufmgr);
153 drm_intel_bo_exec(drm_intel_bo *bo, int used,
154 drm_clip_rect_t * cliprects, int num_cliprects, int DR4)
156 return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4);
160 drm_intel_bo_mrb_exec(drm_intel_bo *bo, int used,
161 drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
164 if (bo->bufmgr->bo_mrb_exec)
165 return bo->bufmgr->bo_mrb_exec(bo, used,
166 cliprects, num_cliprects, DR4,
170 case I915_EXEC_DEFAULT:
171 case I915_EXEC_RENDER:
172 return bo->bufmgr->bo_exec(bo, used,
173 cliprects, num_cliprects, DR4);
180 drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug)
182 bufmgr->debug = enable_debug;
186 drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count)
188 return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
192 drm_intel_bo_flink(drm_intel_bo *bo, uint32_t * name)
194 if (bo->bufmgr->bo_flink)
195 return bo->bufmgr->bo_flink(bo, name);
201 drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
202 drm_intel_bo *target_bo, uint32_t target_offset,
203 uint32_t read_domains, uint32_t write_domain)
205 return bo->bufmgr->bo_emit_reloc(bo, offset,
206 target_bo, target_offset,
207 read_domains, write_domain);
210 /* For fence registers, not GL fences */
212 drm_intel_bo_emit_reloc_fence(drm_intel_bo *bo, uint32_t offset,
213 drm_intel_bo *target_bo, uint32_t target_offset,
214 uint32_t read_domains, uint32_t write_domain)
216 return bo->bufmgr->bo_emit_reloc_fence(bo, offset,
217 target_bo, target_offset,
218 read_domains, write_domain);
223 drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment)
225 if (bo->bufmgr->bo_pin)
226 return bo->bufmgr->bo_pin(bo, alignment);
232 drm_intel_bo_unpin(drm_intel_bo *bo)
234 if (bo->bufmgr->bo_unpin)
235 return bo->bufmgr->bo_unpin(bo);
241 drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
244 if (bo->bufmgr->bo_set_tiling)
245 return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride);
247 *tiling_mode = I915_TILING_NONE;
252 drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
253 uint32_t * swizzle_mode)
255 if (bo->bufmgr->bo_get_tiling)
256 return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode);
258 *tiling_mode = I915_TILING_NONE;
259 *swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
264 drm_intel_bo_disable_reuse(drm_intel_bo *bo)
266 if (bo->bufmgr->bo_disable_reuse)
267 return bo->bufmgr->bo_disable_reuse(bo);
272 drm_intel_bo_is_reusable(drm_intel_bo *bo)
274 if (bo->bufmgr->bo_is_reusable)
275 return bo->bufmgr->bo_is_reusable(bo);
280 drm_intel_bo_busy(drm_intel_bo *bo)
282 if (bo->bufmgr->bo_busy)
283 return bo->bufmgr->bo_busy(bo);
288 drm_intel_bo_madvise(drm_intel_bo *bo, int madv)
290 if (bo->bufmgr->bo_madvise)
291 return bo->bufmgr->bo_madvise(bo, madv);
296 drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo)
298 return bo->bufmgr->bo_references(bo, target_bo);
302 drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id)
304 if (bufmgr->get_pipe_from_crtc_id)
305 return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id);
310 drm_intel_probe_agp_aperture_size(int fd)
312 struct pci_device *pci_dev;
316 ret = pci_system_init();
320 /* XXX handle multiple adaptors? */
321 pci_dev = pci_device_find_by_slot(0, 0, 2, 0);
325 ret = pci_device_probe(pci_dev);
329 size = pci_dev->regions[2].size;
331 pci_system_cleanup ();
336 drm_intel_get_aperture_sizes(int fd, size_t *mappable, size_t *total)
339 struct drm_i915_gem_get_aperture aperture;
342 ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture);
347 /* XXX add a query for the kernel value? */
349 *mappable = drm_intel_probe_agp_aperture_size(fd);
351 *mappable = 64 * 1024 * 1024; /* minimum possible value */
352 *total = aperture.aper_size;