1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
35 #include "libdrm_macros.h"
36 #include "vmwgfx_drm.h"
46 vmwgfx_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
50 *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
59 vmwgfx_destroy(struct kms_driver *kms)
66 vmwgfx_bo_create(struct kms_driver *kms,
67 const unsigned width, const unsigned height,
68 const enum kms_bo_type type, const unsigned *attr,
74 for (i = 0; attr[i]; i += 2) {
85 bo = calloc(1, sizeof(*bo));
90 union drm_vmw_alloc_dmabuf_arg arg;
91 struct drm_vmw_alloc_dmabuf_req *req = &arg.req;
92 struct drm_vmw_dmabuf_rep *rep = &arg.rep;
94 memset(&arg, 0, sizeof(arg));
95 req->size = width * height * 4;
96 bo->base.size = req->size;
97 bo->base.pitch = width * 4;
101 ret = drmCommandWriteRead(bo->base.kms->fd,
102 DRM_VMW_ALLOC_DMABUF,
104 } while (ret == -ERESTART);
109 bo->base.handle = rep->handle;
110 bo->map_handle = rep->map_handle;
111 bo->base.handle = rep->cur_gmr_id;
112 bo->base.offset = rep->cur_gmr_offset;
125 vmwgfx_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
134 vmwgfx_bo_map(struct kms_bo *_bo, void **out)
136 struct vmwgfx_bo *bo = (struct vmwgfx_bo *)_bo;
145 map = drm_mmap(NULL, bo->base.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, bo->map_handle);
146 if (map == MAP_FAILED)
157 vmwgfx_bo_unmap(struct kms_bo *_bo)
159 struct vmwgfx_bo *bo = (struct vmwgfx_bo *)_bo;
165 vmwgfx_bo_destroy(struct kms_bo *_bo)
167 struct vmwgfx_bo *bo = (struct vmwgfx_bo *)_bo;
168 struct drm_vmw_unref_dmabuf_arg arg;
171 /* XXX Sanity check map_count */
172 drm_munmap(bo->base.ptr, bo->base.size);
176 memset(&arg, 0, sizeof(arg));
177 arg.handle = bo->base.handle;
178 drmCommandWrite(bo->base.kms->fd, DRM_VMW_UNREF_DMABUF, &arg, sizeof(arg));
185 vmwgfx_create(int fd, struct kms_driver **out)
187 struct kms_driver *kms;
189 kms = calloc(1, sizeof(*kms));
195 kms->bo_create = vmwgfx_bo_create;
196 kms->bo_map = vmwgfx_bo_map;
197 kms->bo_unmap = vmwgfx_bo_unmap;
198 kms->bo_get_prop = vmwgfx_bo_get_prop;
199 kms->bo_destroy = vmwgfx_bo_destroy;
200 kms->get_prop = vmwgfx_get_prop;
201 kms->destroy = vmwgfx_destroy;