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 "trace/tr_drm.h"
35 #include "vmw_screen.h"
36 #include "vmw_surface.h"
37 #include "vmw_fence.h"
38 #include "vmw_context.h"
40 #include <state_tracker/dri1_api.h>
41 #include <state_tracker/drm_api.h>
42 #include "vmwgfx_drm.h"
47 static struct svga_winsys_surface
*
48 vmw_drm_surface_from_handle(struct svga_winsys_screen
*sws
,
49 struct winsys_handle
*whandle
,
50 SVGA3dSurfaceFormat
*format
);
52 vmw_drm_surface_get_handle(struct svga_winsys_screen
*sws
,
53 struct svga_winsys_surface
*surface
,
55 struct winsys_handle
*whandle
);
57 static struct dri1_api dri1_api_hooks
;
58 static struct dri1_api_version ddx_required
= { 0, 1, 0 };
59 static struct dri1_api_version ddx_compat
= { 0, 0, 0 };
60 static struct dri1_api_version dri_required
= { 4, 0, 0 };
61 static struct dri1_api_version dri_compat
= { 4, 0, 0 };
62 static struct dri1_api_version drm_required
= { 1, 0, 0 };
63 static struct dri1_api_version drm_compat
= { 1, 0, 0 };
64 static struct dri1_api_version drm_scanout
= { 0, 9, 0 };
67 vmw_dri1_check_version(const struct dri1_api_version
*cur
,
68 const struct dri1_api_version
*required
,
69 const struct dri1_api_version
*compat
,
70 const char component
[])
72 if (cur
->major
> required
->major
&& cur
->major
<= compat
->major
)
74 if (cur
->major
== required
->major
&& cur
->minor
>= required
->minor
)
77 fprintf(stderr
, "%s version failure.\n", component
);
78 fprintf(stderr
, "%s version is %d.%d.%d and this driver can only work\n"
79 "with versions %d.%d.x through %d.x.x.\n",
83 cur
->patch_level
, required
->major
, required
->minor
, compat
->major
);
87 /* This is actually the entrypoint to the entire driver, called by the
88 * libGL (or EGL, or ...) code via the drm_api_hooks table at the
91 static struct pipe_screen
*
92 vmw_drm_create_screen(struct drm_api
*drm_api
,
94 struct drm_create_screen_arg
*arg
)
96 struct vmw_winsys_screen
*vws
;
97 struct pipe_screen
*screen
;
98 struct dri1_create_screen_arg
*dri1
;
99 boolean use_old_scanout_flag
= FALSE
;
101 if (!arg
|| arg
->mode
== DRM_CREATE_NORMAL
) {
102 struct dri1_api_version drm_ver
;
105 ver
= drmGetVersion(fd
);
109 drm_ver
.major
= ver
->version_major
;
110 drm_ver
.minor
= ver
->version_minor
;
111 drm_ver
.patch_level
= 0; /* ??? */
114 if (!vmw_dri1_check_version(&drm_ver
, &drm_required
,
115 &drm_compat
, "vmwgfx drm driver"))
118 if (!vmw_dri1_check_version(&drm_ver
, &drm_scanout
,
119 &drm_compat
, "use old scanout field (not a error)"))
120 use_old_scanout_flag
= TRUE
;
125 case DRM_CREATE_NORMAL
:
127 case DRM_CREATE_DRI1
:
128 dri1
= (struct dri1_create_screen_arg
*)arg
;
129 if (!vmw_dri1_check_version(&dri1
->ddx_version
, &ddx_required
,
130 &ddx_compat
, "ddx - driver api"))
132 if (!vmw_dri1_check_version(&dri1
->dri_version
, &dri_required
,
133 &dri_compat
, "dri info"))
135 if (!vmw_dri1_check_version(&dri1
->drm_version
, &drm_required
,
136 &drm_compat
, "vmwgfx drm driver"))
138 if (!vmw_dri1_check_version(&dri1
->drm_version
, &drm_scanout
,
139 &drm_compat
, "use old scanout field (not a error)"))
140 use_old_scanout_flag
= TRUE
;
141 dri1
->api
= &dri1_api_hooks
;
145 assert(!"No dri 1 support for now\n");
153 vws
= vmw_winsys_create( fd
, use_old_scanout_flag
);
157 /* XXX do this properly */
158 vws
->base
.surface_from_handle
= vmw_drm_surface_from_handle
;
159 vws
->base
.surface_get_handle
= vmw_drm_surface_get_handle
;
161 screen
= svga_screen_create( &vws
->base
);
170 vmw_winsys_destroy( vws
);
176 static INLINE boolean
177 vmw_dri1_intersect_src_bbox(struct drm_clip_rect
*dst
,
180 const struct drm_clip_rect
*src
,
181 const struct drm_clip_rect
*bbox
)
186 xy1
= ((int)src
->x1
> (int)bbox
->x1
+ dst_x
) ? src
->x1
:
187 (int)bbox
->x1
+ dst_x
;
188 xy2
= ((int)src
->x2
< (int)bbox
->x2
+ dst_x
) ? src
->x2
:
189 (int)bbox
->x2
+ dst_x
;
190 if (xy1
>= xy2
|| xy1
< 0)
196 xy1
= ((int)src
->y1
> (int)bbox
->y1
+ dst_y
) ? src
->y1
:
197 (int)bbox
->y1
+ dst_y
;
198 xy2
= ((int)src
->y2
< (int)bbox
->y2
+ dst_y
) ? src
->y2
:
199 (int)bbox
->y2
+ dst_y
;
200 if (xy1
>= xy2
|| xy1
< 0)
209 * No fancy get-surface-from-sarea stuff here.
210 * Just use the present blit.
214 vmw_dri1_present_locked(struct pipe_context
*locked_pipe
,
215 struct pipe_surface
*surf
,
216 const struct drm_clip_rect
*rect
,
217 unsigned int num_clip
,
218 int x_draw
, int y_draw
,
219 const struct drm_clip_rect
*bbox
,
220 struct pipe_fence_handle
**p_fence
)
223 struct svga_winsys_surface
*srf
=
224 svga_screen_texture_get_winsys_surface(surf
->texture
);
225 struct vmw_svga_winsys_surface
*vsrf
= vmw_svga_winsys_surface(srf
);
226 struct vmw_winsys_screen
*vws
=
227 vmw_winsys_screen(svga_winsys_screen(locked_pipe
->screen
));
228 struct drm_clip_rect clip
;
232 SVGA3dCmdHeader header
;
233 SVGA3dCmdPresent body
;
236 boolean visible
= FALSE
;
237 uint32_t fence_seq
= 0;
240 cmd
.header
.id
= SVGA_3D_CMD_PRESENT
;
241 cmd
.header
.size
= sizeof cmd
.body
+ sizeof cmd
.rect
;
242 cmd
.body
.sid
= vsrf
->sid
;
244 for (i
= 0; i
< num_clip
; ++i
) {
245 if (!vmw_dri1_intersect_src_bbox(&clip
, x_draw
, y_draw
, rect
++, bbox
))
248 cmd
.rect
.x
= clip
.x1
;
249 cmd
.rect
.y
= clip
.y1
;
250 cmd
.rect
.w
= clip
.x2
- clip
.x1
;
251 cmd
.rect
.h
= clip
.y2
- clip
.y1
;
252 cmd
.rect
.srcx
= (int)clip
.x1
- x_draw
;
253 cmd
.rect
.srcy
= (int)clip
.y1
- y_draw
;
255 vmw_printf("%s: Clip %d x %d y %d w %d h %d srcx %d srcy %d\n",
260 cmd
.rect
.w
, cmd
.rect
.h
, cmd
.rect
.srcx
, cmd
.rect
.srcy
);
262 vmw_ioctl_command(vws
, &cmd
, sizeof cmd
.header
+ cmd
.header
.size
,
267 *p_fence
= (visible
) ? vmw_pipe_fence(fence_seq
) : NULL
;
268 vmw_svga_winsys_surface_reference(&vsrf
, NULL
);
270 assert(!"No dri 1 support for now\n");
274 static struct svga_winsys_surface
*
275 vmw_drm_surface_from_handle(struct svga_winsys_screen
*sws
,
276 struct winsys_handle
*whandle
,
277 SVGA3dSurfaceFormat
*format
)
279 struct vmw_svga_winsys_surface
*vsrf
;
280 struct svga_winsys_surface
*ssrf
;
281 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
282 union drm_vmw_surface_reference_arg arg
;
283 struct drm_vmw_surface_arg
*req
= &arg
.req
;
284 struct drm_vmw_surface_create_req
*rep
= &arg
.rep
;
289 * The vmware device specific handle is the hardware SID.
290 * FIXME: We probably want to move this to the ioctl implementations.
293 memset(&arg
, 0, sizeof(arg
));
294 req
->sid
= whandle
->handle
;
296 ret
= drmCommandWriteRead(vws
->ioctl
.drm_fd
, DRM_VMW_REF_SURFACE
,
300 fprintf(stderr
, "Failed referencing shared surface. SID %d.\n"
302 whandle
->handle
, ret
, strerror(-ret
));
306 if (rep
->mip_levels
[0] != 1) {
307 fprintf(stderr
, "Incorrect number of mipmap levels on shared surface."
308 " SID %d, levels %d\n",
309 whandle
->handle
, rep
->mip_levels
[0]);
313 for (i
=1; i
< DRM_VMW_MAX_SURFACE_FACES
; ++i
) {
314 if (rep
->mip_levels
[i
] != 0) {
315 fprintf(stderr
, "Incorrect number of faces levels on shared surface."
316 " SID %d, face %d present.\n",
322 vsrf
= CALLOC_STRUCT(vmw_svga_winsys_surface
);
326 pipe_reference_init(&vsrf
->refcnt
, 1);
327 p_atomic_set(&vsrf
->validated
, 0);
329 vsrf
->sid
= whandle
->handle
;
330 ssrf
= svga_winsys_surface(vsrf
);
331 *format
= rep
->format
;
336 vmw_ioctl_surface_destroy(vws
, whandle
->handle
);
341 vmw_drm_surface_get_handle(struct svga_winsys_screen
*sws
,
342 struct svga_winsys_surface
*surface
,
344 struct winsys_handle
*whandle
)
346 struct vmw_svga_winsys_surface
*vsrf
;
351 vsrf
= vmw_svga_winsys_surface(surface
);
352 whandle
->handle
= vsrf
->sid
;
353 whandle
->stride
= stride
;
359 static struct dri1_api dri1_api_hooks
= {
360 .front_srf_locked
= NULL
,
361 .present_locked
= vmw_dri1_present_locked
364 static struct drm_api vmw_drm_api_hooks
= {
366 .driver_name
= "vmwgfx",
367 .create_screen
= vmw_drm_create_screen
,
371 struct drm_api
* drm_api_create()
373 return trace_drm_create(&vmw_drm_api_hooks
);