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 **********************************************************/
28 * This file implements the SVGA interface into this winsys, defined
29 * in drivers/svga/svga_winsys.h.
31 * @author Keith Whitwell
32 * @author Jose Fonseca
37 #include "svga3d_caps.h"
39 #include "util/u_inlines.h"
40 #include "util/u_math.h"
41 #include "util/u_memory.h"
42 #include "pipebuffer/pb_buffer.h"
43 #include "pipebuffer/pb_bufmgr.h"
44 #include "svga_winsys.h"
45 #include "vmw_context.h"
46 #include "vmw_screen.h"
47 #include "vmw_surface.h"
48 #include "vmw_buffer.h"
49 #include "vmw_fence.h"
52 static struct svga_winsys_buffer
*
53 vmw_svga_winsys_buffer_create(struct svga_winsys_screen
*sws
,
58 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
60 struct pb_manager
*provider
;
61 struct pb_buffer
*buffer
;
63 memset(&desc
, 0, sizeof desc
);
64 desc
.alignment
= alignment
;
67 provider
= vws
->pools
.gmr_fenced
;
70 buffer
= provider
->create_buffer(provider
, size
, &desc
);
74 return vmw_svga_winsys_buffer(buffer
);
79 vmw_svga_winsys_buffer_map(struct svga_winsys_screen
*sws
,
80 struct svga_winsys_buffer
*buf
,
84 return pb_map(vmw_pb_buffer(buf
), flags
);
89 vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen
*sws
,
90 struct svga_winsys_buffer
*buf
)
93 pb_unmap(vmw_pb_buffer(buf
));
98 vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen
*sws
,
99 struct svga_winsys_buffer
*buf
)
101 struct pb_buffer
*pbuf
= vmw_pb_buffer(buf
);
103 pb_reference(&pbuf
, NULL
);
108 vmw_svga_winsys_fence_reference(struct svga_winsys_screen
*sws
,
109 struct pipe_fence_handle
**pdst
,
110 struct pipe_fence_handle
*src
)
118 vmw_svga_winsys_fence_signalled(struct svga_winsys_screen
*sws
,
119 struct pipe_fence_handle
*fence
,
122 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
124 return vmw_ioctl_fence_signalled(vws
, vmw_fence(fence
));
129 vmw_svga_winsys_fence_finish(struct svga_winsys_screen
*sws
,
130 struct pipe_fence_handle
*fence
,
133 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
135 return vmw_ioctl_fence_finish(vws
, vmw_fence(fence
));
140 static struct svga_winsys_surface
*
141 vmw_svga_winsys_surface_create(struct svga_winsys_screen
*sws
,
142 SVGA3dSurfaceFlags flags
,
143 SVGA3dSurfaceFormat format
,
148 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
149 struct vmw_svga_winsys_surface
*surface
;
151 surface
= CALLOC_STRUCT(vmw_svga_winsys_surface
);
155 pipe_reference_init(&surface
->refcnt
, 1);
156 p_atomic_set(&surface
->validated
, 0);
157 surface
->screen
= vws
;
158 surface
->sid
= vmw_ioctl_surface_create(vws
,
160 numFaces
, numMipLevels
);
161 if(surface
->sid
== SVGA3D_INVALID_ID
)
164 return svga_winsys_surface(surface
);
174 vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen
*sws
,
175 struct svga_winsys_surface
*surface
)
177 struct vmw_svga_winsys_surface
*vsurf
= vmw_svga_winsys_surface(surface
);
178 return (p_atomic_read(&vsurf
->validated
) == 0);
183 vmw_svga_winsys_surface_ref(struct svga_winsys_screen
*sws
,
184 struct svga_winsys_surface
**pDst
,
185 struct svga_winsys_surface
*src
)
187 struct vmw_svga_winsys_surface
*d_vsurf
= vmw_svga_winsys_surface(*pDst
);
188 struct vmw_svga_winsys_surface
*s_vsurf
= vmw_svga_winsys_surface(src
);
190 vmw_svga_winsys_surface_reference(&d_vsurf
, s_vsurf
);
191 *pDst
= svga_winsys_surface(d_vsurf
);
196 vmw_svga_winsys_destroy(struct svga_winsys_screen
*sws
)
198 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
200 vmw_winsys_destroy(vws
);
205 vmw_svga_winsys_get_cap(struct svga_winsys_screen
*sws
,
206 SVGA3dDevCapIndex index
,
207 SVGA3dDevCapResult
*result
)
209 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
210 const uint32
*capsBlock
;
211 const SVGA3dCapsRecord
*capsRecord
= NULL
;
213 const SVGA3dCapPair
*capArray
;
214 int numCaps
, first
, last
;
216 if(!vws
->ioctl
.fifo_map
)
219 if(vws
->ioctl
.fifo_map
[SVGA_FIFO_3D_HWVERSION
] < SVGA3D_HWVERSION_WS6_B1
)
223 * Search linearly through the caps block records for the specified type.
225 capsBlock
= (const uint32
*)&vws
->ioctl
.fifo_map
[SVGA_FIFO_3D_CAPS
];
226 for (offset
= 0; capsBlock
[offset
] != 0; offset
+= capsBlock
[offset
]) {
227 const SVGA3dCapsRecord
*record
;
228 assert(offset
< SVGA_FIFO_3D_CAPS_SIZE
);
229 record
= (const SVGA3dCapsRecord
*) (capsBlock
+ offset
);
230 if ((record
->header
.type
>= SVGA3DCAPS_RECORD_DEVCAPS_MIN
) &&
231 (record
->header
.type
<= SVGA3DCAPS_RECORD_DEVCAPS_MAX
) &&
232 (!capsRecord
|| (record
->header
.type
> capsRecord
->header
.type
))) {
241 * Calculate the number of caps from the size of the record.
243 capArray
= (const SVGA3dCapPair
*) capsRecord
->data
;
244 numCaps
= (int) ((capsRecord
->header
.length
* sizeof(uint32
) -
245 sizeof capsRecord
->header
) / (2 * sizeof(uint32
)));
248 * Binary-search for the cap with the specified index.
250 for (first
= 0, last
= numCaps
- 1; first
<= last
; ) {
251 int mid
= (first
+ last
) / 2;
253 if ((SVGA3dDevCapIndex
) capArray
[mid
][0] == index
) {
257 result
->u
= capArray
[mid
][1];
262 * Divide and conquer.
264 if ((SVGA3dDevCapIndex
) capArray
[mid
][0] > index
) {
276 vmw_winsys_screen_init_svga(struct vmw_winsys_screen
*vws
)
278 vws
->base
.destroy
= vmw_svga_winsys_destroy
;
279 vws
->base
.get_cap
= vmw_svga_winsys_get_cap
;
280 vws
->base
.context_create
= vmw_svga_winsys_context_create
;
281 vws
->base
.surface_create
= vmw_svga_winsys_surface_create
;
282 vws
->base
.surface_is_flushed
= vmw_svga_winsys_surface_is_flushed
;
283 vws
->base
.surface_reference
= vmw_svga_winsys_surface_ref
;
284 vws
->base
.buffer_create
= vmw_svga_winsys_buffer_create
;
285 vws
->base
.buffer_map
= vmw_svga_winsys_buffer_map
;
286 vws
->base
.buffer_unmap
= vmw_svga_winsys_buffer_unmap
;
287 vws
->base
.buffer_destroy
= vmw_svga_winsys_buffer_destroy
;
288 vws
->base
.fence_reference
= vmw_svga_winsys_fence_reference
;
289 vws
->base
.fence_signalled
= vmw_svga_winsys_fence_signalled
;
290 vws
->base
.fence_finish
= vmw_svga_winsys_fence_finish
;