1 /**********************************************************
2 * Copyright 2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
27 #include "pipe/p_compiler.h"
28 #include "util/u_inlines.h"
29 #include "util/u_memory.h"
30 #include "util/u_format.h"
31 #include "vmw_screen.h"
33 #include "vmw_surface.h"
34 #include "svga_drm_public.h"
36 #include "state_tracker/drm_driver.h"
38 #include "vmwgfx_drm.h"
43 struct dri1_api_version
{
49 static struct svga_winsys_surface
*
50 vmw_drm_surface_from_handle(struct svga_winsys_screen
*sws
,
51 struct winsys_handle
*whandle
,
52 SVGA3dSurfaceFormat
*format
);
54 vmw_drm_surface_get_handle(struct svga_winsys_screen
*sws
,
55 struct svga_winsys_surface
*surface
,
57 struct winsys_handle
*whandle
);
59 static struct dri1_api_version drm_required
= { 1, 0, 0 };
60 static struct dri1_api_version drm_compat
= { 1, 0, 0 };
61 static struct dri1_api_version drm_scanout
= { 0, 9, 0 };
64 vmw_dri1_check_version(const struct dri1_api_version
*cur
,
65 const struct dri1_api_version
*required
,
66 const struct dri1_api_version
*compat
,
67 const char component
[])
69 if (cur
->major
> required
->major
&& cur
->major
<= compat
->major
)
71 if (cur
->major
== required
->major
&& cur
->minor
>= required
->minor
)
74 fprintf(stderr
, "%s version failure.\n", component
);
75 fprintf(stderr
, "%s version is %d.%d.%d and this driver can only work\n"
76 "with versions %d.%d.x through %d.x.x.\n",
80 cur
->patch_level
, required
->major
, required
->minor
, compat
->major
);
84 /* This is actually the entrypoint to the entire driver,
85 * called by the target bootstrap code.
87 struct svga_winsys_screen
*
88 svga_drm_winsys_screen_create(int fd
)
90 struct vmw_winsys_screen
*vws
;
91 boolean use_old_scanout_flag
= FALSE
;
93 struct dri1_api_version drm_ver
;
96 ver
= drmGetVersion(fd
);
100 drm_ver
.major
= ver
->version_major
;
101 drm_ver
.minor
= ver
->version_minor
;
102 drm_ver
.patch_level
= 0; /* ??? */
105 if (!vmw_dri1_check_version(&drm_ver
, &drm_required
,
106 &drm_compat
, "vmwgfx drm driver"))
109 if (!vmw_dri1_check_version(&drm_ver
, &drm_scanout
,
110 &drm_compat
, "use old scanout field (not a error)"))
111 use_old_scanout_flag
= TRUE
;
113 vws
= vmw_winsys_create( fd
, use_old_scanout_flag
);
117 /* XXX do this properly */
118 vws
->base
.surface_from_handle
= vmw_drm_surface_from_handle
;
119 vws
->base
.surface_get_handle
= vmw_drm_surface_get_handle
;
127 static INLINE boolean
128 vmw_dri1_intersect_src_bbox(struct drm_clip_rect
*dst
,
131 const struct drm_clip_rect
*src
,
132 const struct drm_clip_rect
*bbox
)
137 xy1
= ((int)src
->x1
> (int)bbox
->x1
+ dst_x
) ? src
->x1
:
138 (int)bbox
->x1
+ dst_x
;
139 xy2
= ((int)src
->x2
< (int)bbox
->x2
+ dst_x
) ? src
->x2
:
140 (int)bbox
->x2
+ dst_x
;
141 if (xy1
>= xy2
|| xy1
< 0)
147 xy1
= ((int)src
->y1
> (int)bbox
->y1
+ dst_y
) ? src
->y1
:
148 (int)bbox
->y1
+ dst_y
;
149 xy2
= ((int)src
->y2
< (int)bbox
->y2
+ dst_y
) ? src
->y2
:
150 (int)bbox
->y2
+ dst_y
;
151 if (xy1
>= xy2
|| xy1
< 0)
159 static struct svga_winsys_surface
*
160 vmw_drm_surface_from_handle(struct svga_winsys_screen
*sws
,
161 struct winsys_handle
*whandle
,
162 SVGA3dSurfaceFormat
*format
)
164 struct vmw_svga_winsys_surface
*vsrf
;
165 struct svga_winsys_surface
*ssrf
;
166 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
167 union drm_vmw_surface_reference_arg arg
;
168 struct drm_vmw_surface_arg
*req
= &arg
.req
;
169 struct drm_vmw_surface_create_req
*rep
= &arg
.rep
;
174 * The vmware device specific handle is the hardware SID.
175 * FIXME: We probably want to move this to the ioctl implementations.
178 memset(&arg
, 0, sizeof(arg
));
179 req
->sid
= whandle
->handle
;
181 ret
= drmCommandWriteRead(vws
->ioctl
.drm_fd
, DRM_VMW_REF_SURFACE
,
185 fprintf(stderr
, "Failed referencing shared surface. SID %d.\n"
187 whandle
->handle
, ret
, strerror(-ret
));
191 if (rep
->mip_levels
[0] != 1) {
192 fprintf(stderr
, "Incorrect number of mipmap levels on shared surface."
193 " SID %d, levels %d\n",
194 whandle
->handle
, rep
->mip_levels
[0]);
198 for (i
=1; i
< DRM_VMW_MAX_SURFACE_FACES
; ++i
) {
199 if (rep
->mip_levels
[i
] != 0) {
200 fprintf(stderr
, "Incorrect number of faces levels on shared surface."
201 " SID %d, face %d present.\n",
207 vsrf
= CALLOC_STRUCT(vmw_svga_winsys_surface
);
211 pipe_reference_init(&vsrf
->refcnt
, 1);
212 p_atomic_set(&vsrf
->validated
, 0);
214 vsrf
->sid
= whandle
->handle
;
215 ssrf
= svga_winsys_surface(vsrf
);
216 *format
= rep
->format
;
221 vmw_ioctl_surface_destroy(vws
, whandle
->handle
);
226 vmw_drm_surface_get_handle(struct svga_winsys_screen
*sws
,
227 struct svga_winsys_surface
*surface
,
229 struct winsys_handle
*whandle
)
231 struct vmw_svga_winsys_surface
*vsrf
;
236 vsrf
= vmw_svga_winsys_surface(surface
);
237 whandle
->handle
= vsrf
->sid
;
238 whandle
->stride
= stride
;