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[netbsd-mini2440.git] / sys / external / bsd / drm / dist / libdrm / intel / intel_bufmgr.c
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1 /*
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
13 * Software.
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.
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
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
44 * Convenience functions for buffer management methods.
47 drm_intel_bo *
48 drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
49 unsigned long size, unsigned int alignment)
51 return bufmgr->bo_alloc(bufmgr, name, size, alignment);
54 drm_intel_bo *
55 drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, const char *name,
56 unsigned long size, unsigned int alignment)
58 return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment);
61 void
62 drm_intel_bo_reference(drm_intel_bo *bo)
64 bo->bufmgr->bo_reference(bo);
67 void
68 drm_intel_bo_unreference(drm_intel_bo *bo)
70 if (bo == NULL)
71 return;
73 bo->bufmgr->bo_unreference(bo);
76 int
77 drm_intel_bo_map(drm_intel_bo *buf, int write_enable)
79 return buf->bufmgr->bo_map(buf, write_enable);
82 int
83 drm_intel_bo_unmap(drm_intel_bo *buf)
85 return buf->bufmgr->bo_unmap(buf);
88 int
89 drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
90 unsigned long size, const void *data)
92 int ret;
94 if (bo->bufmgr->bo_subdata)
95 return bo->bufmgr->bo_subdata(bo, offset, size, data);
96 if (size == 0 || data == NULL)
97 return 0;
99 ret = drm_intel_bo_map(bo, 1);
100 if (ret)
101 return ret;
102 memcpy((unsigned char *)bo->virtual + offset, data, size);
103 drm_intel_bo_unmap(bo);
104 return 0;
108 drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
109 unsigned long size, void *data)
111 int ret;
112 if (bo->bufmgr->bo_subdata)
113 return bo->bufmgr->bo_get_subdata(bo, offset, size, data);
115 if (size == 0 || data == NULL)
116 return 0;
118 ret = drm_intel_bo_map(bo, 0);
119 if (ret)
120 return ret;
121 memcpy(data, (unsigned char *)bo->virtual + offset, size);
122 drm_intel_bo_unmap(bo);
123 return 0;
126 void
127 drm_intel_bo_wait_rendering(drm_intel_bo *bo)
129 bo->bufmgr->bo_wait_rendering(bo);
132 void
133 drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr)
135 bufmgr->destroy(bufmgr);
139 drm_intel_bo_exec(drm_intel_bo *bo, int used,
140 drm_clip_rect_t *cliprects, int num_cliprects,
141 int DR4)
143 return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4);
146 void
147 drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug)
149 bufmgr->debug = enable_debug;
153 drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count)
155 return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
159 drm_intel_bo_flink(drm_intel_bo *bo, uint32_t *name)
161 if (bo->bufmgr->bo_flink)
162 return bo->bufmgr->bo_flink(bo, name);
164 return -ENODEV;
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)
172 return bo->bufmgr->bo_emit_reloc(bo, offset,
173 target_bo, target_offset,
174 read_domains, write_domain);
178 drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment)
180 if (bo->bufmgr->bo_pin)
181 return bo->bufmgr->bo_pin(bo, alignment);
183 return -ENODEV;
187 drm_intel_bo_unpin(drm_intel_bo *bo)
189 if (bo->bufmgr->bo_unpin)
190 return bo->bufmgr->bo_unpin(bo);
192 return -ENODEV;
195 int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
196 uint32_t stride)
198 if (bo->bufmgr->bo_set_tiling)
199 return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride);
201 *tiling_mode = I915_TILING_NONE;
202 return 0;
205 int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
206 uint32_t *swizzle_mode)
208 if (bo->bufmgr->bo_get_tiling)
209 return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode);
211 *tiling_mode = I915_TILING_NONE;
212 *swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
213 return 0;
216 int drm_intel_bo_disable_reuse(drm_intel_bo *bo)
218 if (bo->bufmgr->bo_disable_reuse)
219 return bo->bufmgr->bo_disable_reuse(bo);
220 return 0;
224 drm_intel_get_pipe_from_crtc_id (drm_intel_bufmgr *bufmgr, int crtc_id)
226 if (bufmgr->get_pipe_from_crtc_id)
227 return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id);
228 return -1;