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 "pipe/p_inlines.h"
29 #include "util/u_memory.h"
30 #include "vmw_screen.h"
32 #include "trace/tr_drm.h"
34 #include "vmw_screen.h"
35 #include "vmw_surface.h"
36 #include "vmw_fence.h"
37 #include "vmw_context.h"
39 #include <state_tracker/dri1_api.h>
40 #include <state_tracker/drm_api.h>
41 #include <vmwgfx_drm.h>
46 static struct dri1_api dri1_api_hooks
;
47 static struct dri1_api_version ddx_required
= { 0, 1, 0 };
48 static struct dri1_api_version ddx_compat
= { 0, 0, 0 };
49 static struct dri1_api_version dri_required
= { 4, 0, 0 };
50 static struct dri1_api_version dri_compat
= { 4, 0, 0 };
51 static struct dri1_api_version drm_required
= { 0, 1, 0 };
52 static struct dri1_api_version drm_compat
= { 0, 0, 0 };
55 vmw_dri1_check_version(const struct dri1_api_version
*cur
,
56 const struct dri1_api_version
*required
,
57 const struct dri1_api_version
*compat
,
58 const char component
[])
60 if (cur
->major
> required
->major
&& cur
->major
<= compat
->major
)
62 if (cur
->major
== required
->major
&& cur
->minor
>= required
->minor
)
65 fprintf(stderr
, "%s version failure.\n", component
);
66 fprintf(stderr
, "%s version is %d.%d.%d and this driver can only work\n"
67 "with versions %d.%d.x through %d.x.x.\n",
71 cur
->patch_level
, required
->major
, required
->minor
, compat
->major
);
75 /* This is actually the entrypoint to the entire driver, called by the
76 * libGL (or EGL, or ...) code via the drm_api_hooks table at the
79 static struct pipe_screen
*
80 vmw_drm_create_screen(struct drm_api
*drm_api
,
82 struct drm_create_screen_arg
*arg
)
84 struct vmw_winsys_screen
*vws
;
85 struct pipe_screen
*screen
;
86 struct dri1_create_screen_arg
*dri1
;
90 case DRM_CREATE_NORMAL
:
93 dri1
= (struct dri1_create_screen_arg
*)arg
;
94 if (!vmw_dri1_check_version(&dri1
->ddx_version
, &ddx_required
,
95 &ddx_compat
, "ddx - driver api"))
97 if (!vmw_dri1_check_version(&dri1
->dri_version
, &dri_required
,
98 &dri_compat
, "dri info"))
100 if (!vmw_dri1_check_version(&dri1
->drm_version
, &drm_required
,
101 &drm_compat
, "vmwgfx drm driver"))
103 dri1
->api
= &dri1_api_hooks
;
110 vws
= vmw_winsys_create( fd
);
114 screen
= svga_screen_create( &vws
->base
);
123 vmw_winsys_destroy( vws
);
129 static INLINE boolean
130 vmw_dri1_intersect_src_bbox(struct drm_clip_rect
*dst
,
133 const struct drm_clip_rect
*src
,
134 const struct drm_clip_rect
*bbox
)
139 xy1
= ((int)src
->x1
> (int)bbox
->x1
+ dst_x
) ? src
->x1
:
140 (int)bbox
->x1
+ dst_x
;
141 xy2
= ((int)src
->x2
< (int)bbox
->x2
+ dst_x
) ? src
->x2
:
142 (int)bbox
->x2
+ dst_x
;
143 if (xy1
>= xy2
|| xy1
< 0)
149 xy1
= ((int)src
->y1
> (int)bbox
->y1
+ dst_y
) ? src
->y1
:
150 (int)bbox
->y1
+ dst_y
;
151 xy2
= ((int)src
->y2
< (int)bbox
->y2
+ dst_y
) ? src
->y2
:
152 (int)bbox
->y2
+ dst_y
;
153 if (xy1
>= xy2
|| xy1
< 0)
162 * No fancy get-surface-from-sarea stuff here.
163 * Just use the present blit.
167 vmw_dri1_present_locked(struct pipe_context
*locked_pipe
,
168 struct pipe_surface
*surf
,
169 const struct drm_clip_rect
*rect
,
170 unsigned int num_clip
,
171 int x_draw
, int y_draw
,
172 const struct drm_clip_rect
*bbox
,
173 struct pipe_fence_handle
**p_fence
)
175 struct svga_winsys_surface
*srf
=
176 svga_screen_texture_get_winsys_surface(surf
->texture
);
177 struct vmw_svga_winsys_surface
*vsrf
= vmw_svga_winsys_surface(srf
);
178 struct vmw_winsys_screen
*vws
=
179 vmw_winsys_screen(svga_winsys_screen(locked_pipe
->screen
));
180 struct drm_clip_rect clip
;
184 SVGA3dCmdHeader header
;
185 SVGA3dCmdPresent body
;
188 boolean visible
= FALSE
;
189 uint32_t fence_seq
= 0;
192 cmd
.header
.id
= SVGA_3D_CMD_PRESENT
;
193 cmd
.header
.size
= sizeof cmd
.body
+ sizeof cmd
.rect
;
194 cmd
.body
.sid
= vsrf
->sid
;
196 for (i
= 0; i
< num_clip
; ++i
) {
197 if (!vmw_dri1_intersect_src_bbox(&clip
, x_draw
, y_draw
, rect
++, bbox
))
200 cmd
.rect
.x
= clip
.x1
;
201 cmd
.rect
.y
= clip
.y1
;
202 cmd
.rect
.w
= clip
.x2
- clip
.x1
;
203 cmd
.rect
.h
= clip
.y2
- clip
.y1
;
204 cmd
.rect
.srcx
= (int)clip
.x1
- x_draw
;
205 cmd
.rect
.srcy
= (int)clip
.y1
- y_draw
;
207 vmw_printf("%s: Clip %d x %d y %d w %d h %d srcx %d srcy %d\n",
212 cmd
.rect
.w
, cmd
.rect
.h
, cmd
.rect
.srcx
, cmd
.rect
.srcy
);
214 vmw_ioctl_command(vws
, &cmd
, sizeof cmd
.header
+ cmd
.header
.size
,
219 *p_fence
= (visible
) ? vmw_pipe_fence(fence_seq
) : NULL
;
220 vmw_svga_winsys_surface_reference(&vsrf
, NULL
);
224 * FIXME: We'd probably want to cache these buffers in the
225 * screen, based on handle.
228 static struct pipe_buffer
*
229 vmw_drm_buffer_from_handle(struct drm_api
*drm_api
,
230 struct pipe_screen
*screen
,
234 struct vmw_svga_winsys_surface
*vsrf
;
235 struct svga_winsys_surface
*ssrf
;
236 struct vmw_winsys_screen
*vws
=
237 vmw_winsys_screen(svga_winsys_screen(screen
));
238 struct pipe_buffer
*buf
;
239 union drm_vmw_surface_reference_arg arg
;
240 struct drm_vmw_surface_arg
*req
= &arg
.req
;
241 struct drm_vmw_surface_create_req
*rep
= &arg
.rep
;
246 * The vmware device specific handle is the hardware SID.
247 * FIXME: We probably want to move this to the ioctl implementations.
250 memset(&arg
, 0, sizeof(arg
));
253 ret
= drmCommandWriteRead(vws
->ioctl
.drm_fd
, DRM_VMW_REF_SURFACE
,
257 fprintf(stderr
, "Failed referencing shared surface. SID %d.\n"
259 handle
, ret
, strerror(-ret
));
263 if (rep
->mip_levels
[0] != 1) {
264 fprintf(stderr
, "Incorrect number of mipmap levels on shared surface."
265 " SID %d, levels %d\n",
266 handle
, rep
->mip_levels
[0]);
270 for (i
=1; i
< DRM_VMW_MAX_SURFACE_FACES
; ++i
) {
271 if (rep
->mip_levels
[i
] != 0) {
272 fprintf(stderr
, "Incorrect number of faces levels on shared surface."
273 " SID %d, face %d present.\n",
279 vsrf
= CALLOC_STRUCT(vmw_svga_winsys_surface
);
283 pipe_reference_init(&vsrf
->refcnt
, 1);
284 p_atomic_set(&vsrf
->validated
, 0);
286 ssrf
= svga_winsys_surface(vsrf
);
287 buf
= svga_screen_buffer_wrap_surface(screen
, rep
->format
, ssrf
);
289 vmw_svga_winsys_surface_reference(&vsrf
, NULL
);
293 vmw_ioctl_surface_destroy(vws
, handle
);
297 static struct pipe_texture
*
298 vmw_drm_texture_from_handle(struct drm_api
*drm_api
,
299 struct pipe_screen
*screen
,
300 struct pipe_texture
*templat
,
305 struct pipe_buffer
*buffer
;
306 buffer
= vmw_drm_buffer_from_handle(drm_api
, screen
, name
, handle
);
311 return screen
->texture_blanket(screen
, templat
, &stride
, buffer
);
315 vmw_drm_handle_from_buffer(struct drm_api
*drm_api
,
316 struct pipe_screen
*screen
,
317 struct pipe_buffer
*buffer
,
320 struct svga_winsys_surface
*surface
=
321 svga_screen_buffer_get_winsys_surface(buffer
);
322 struct vmw_svga_winsys_surface
*vsrf
;
327 vsrf
= vmw_svga_winsys_surface(surface
);
329 vmw_svga_winsys_surface_reference(&vsrf
, NULL
);
334 vmw_drm_handle_from_texture(struct drm_api
*drm_api
,
335 struct pipe_screen
*screen
,
336 struct pipe_texture
*texture
,
340 struct pipe_buffer
*buffer
;
342 if (!svga_screen_buffer_from_texture(texture
, &buffer
, stride
))
345 return vmw_drm_handle_from_buffer(drm_api
, screen
, buffer
, handle
);
348 static struct pipe_context
*
349 vmw_drm_create_context(struct drm_api
*drm_api
,
350 struct pipe_screen
*screen
)
352 return vmw_svga_context_create(screen
);
355 static struct dri1_api dri1_api_hooks
= {
356 .front_srf_locked
= NULL
,
357 .present_locked
= vmw_dri1_present_locked
360 static struct drm_api vmw_drm_api_hooks
= {
362 .create_screen
= vmw_drm_create_screen
,
363 .create_context
= vmw_drm_create_context
,
364 .texture_from_shared_handle
= vmw_drm_texture_from_handle
,
365 .shared_handle_from_texture
= vmw_drm_handle_from_texture
,
366 .local_handle_from_texture
= vmw_drm_handle_from_texture
,
369 struct drm_api
* drm_api_create()
371 return trace_drm_create(&vmw_drm_api_hooks
);