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 */ 27 28#ifdef HAVE_CONFIG_H 29#include "config.h" 30#endif 31 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" 41 42/** @file intel_bufmgr.c 43 * 44 * Convenience functions for buffer management methods. 45 */ 46 47drm_intel_bo * 48drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name, 49 unsigned long size, unsigned int alignment) 50{ 51 return bufmgr->bo_alloc(bufmgr, name, size, alignment); 52} 53 54drm_intel_bo * 55drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, const char *name, 56 unsigned long size, unsigned int alignment) 57{ 58 return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment); 59} 60 61void 62drm_intel_bo_reference(drm_intel_bo *bo) 63{ 64 bo->bufmgr->bo_reference(bo); 65} 66 67void 68drm_intel_bo_unreference(drm_intel_bo *bo) 69{ 70 if (bo == NULL) 71 return; 72 73 bo->bufmgr->bo_unreference(bo); 74} 75 76int 77drm_intel_bo_map(drm_intel_bo *buf, int write_enable) 78{ 79 return buf->bufmgr->bo_map(buf, write_enable); 80} 81 82int 83drm_intel_bo_unmap(drm_intel_bo *buf) 84{ 85 return buf->bufmgr->bo_unmap(buf); 86} 87 88int 89drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset, 90 unsigned long size, const void *data) 91{ 92 int ret; 93 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; 98 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; 105} 106 107int 108drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset, 109 unsigned long size, void *data) 110{ 111 int ret; 112 if (bo->bufmgr->bo_subdata) 113 return bo->bufmgr->bo_get_subdata(bo, offset, size, data); 114 115 if (size == 0 || data == NULL) 116 return 0; 117 118 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; 124} 125 126void 127drm_intel_bo_wait_rendering(drm_intel_bo *bo) 128{ 129 bo->bufmgr->bo_wait_rendering(bo); 130} 131 132void 133drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr) 134{ 135 bufmgr->destroy(bufmgr); 136} 137 138int 139drm_intel_bo_exec(drm_intel_bo *bo, int used, 140 drm_clip_rect_t *cliprects, int num_cliprects, 141 int DR4) 142{ 143 return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4); 144} 145 146void 147drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug) 148{ 149 bufmgr->debug = enable_debug; 150} 151 152int 153drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count) 154{ 155 return bo_array[0]->bufmgr->check_aperture_space(bo_array, count); 156} 157 158int 159drm_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); 163 164 return -ENODEV; 165} 166 167int 168drm_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} 176 177int 178drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment) 179{ 180 if (bo->bufmgr->bo_pin) 181 return bo->bufmgr->bo_pin(bo, alignment); 182 183 return -ENODEV; 184} 185 186int 187drm_intel_bo_unpin(drm_intel_bo *bo) 188{ 189 if (bo->bufmgr->bo_unpin) 190 return bo->bufmgr->bo_unpin(bo); 191 192 return -ENODEV; 193} 194 195int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode, 196 uint32_t stride) 197{ 198 if (bo->bufmgr->bo_set_tiling) 199 return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride); 200 201 *tiling_mode = I915_TILING_NONE; 202 return 0; 203} 204 205int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode, 206 uint32_t *swizzle_mode) 207{ 208 if (bo->bufmgr->bo_get_tiling) 209 return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode); 210 211 *tiling_mode = I915_TILING_NONE; 212 *swizzle_mode = I915_BIT_6_SWIZZLE_NONE; 213 return 0; 214} 215 216int drm_intel_bo_disable_reuse(drm_intel_bo *bo) 217{ 218 if (bo->bufmgr->bo_disable_reuse) 219 return bo->bufmgr->bo_disable_reuse(bo); 220 return 0; 221} 222 223int 224drm_intel_get_pipe_from_crtc_id (drm_intel_bufmgr *bufmgr, int crtc_id) 225{ 226 if (bufmgr->get_pipe_from_crtc_id) 227 return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id); 228 return -1; 229} 230 231