1 /**********************************************************
2 * Copyright 2009 VMware, Inc. All rights reserved.
3 *
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:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
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
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 /**
27 * @file
28 * This file implements the SVGA interface into this winsys, defined
29 * in drivers/svga/svga_winsys.h.
30 *
31 * @author Keith Whitwell
32 * @author Jose Fonseca
33 */
34
35
36 #include "svga_cmd.h"
37 #include "svga3d_caps.h"
38
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"
50
51
52 static struct svga_winsys_buffer *
vmw_svga_winsys_buffer_create(struct svga_winsys_screen * sws,unsigned alignment,unsigned usage,unsigned size)53 vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws,
54 unsigned alignment,
55 unsigned usage,
56 unsigned size)
57 {
58 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
59 struct pb_desc desc;
60 struct pb_manager *provider;
61 struct pb_buffer *buffer;
62
63 memset(&desc, 0, sizeof desc);
64 desc.alignment = alignment;
65 desc.usage = usage;
66
67 if (usage == SVGA_BUFFER_USAGE_PINNED) {
68 if (vws->pools.query_fenced == NULL && !vmw_query_pools_init(vws))
69 return NULL;
70 provider = vws->pools.query_fenced;
71 } else
72 provider = vws->pools.gmr_fenced;
73
74 assert(provider);
75 buffer = provider->create_buffer(provider, size, &desc);
76
77 if(!buffer && provider == vws->pools.gmr_fenced) {
78
79 assert(provider);
80 provider = vws->pools.gmr_slab_fenced;
81 buffer = provider->create_buffer(provider, size, &desc);
82 }
83
84 if (!buffer)
85 return NULL;
86
87 return vmw_svga_winsys_buffer(buffer);
88 }
89
90
91 static void *
vmw_svga_winsys_buffer_map(struct svga_winsys_screen * sws,struct svga_winsys_buffer * buf,unsigned flags)92 vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
93 struct svga_winsys_buffer *buf,
94 unsigned flags)
95 {
96 (void)sws;
97 return pb_map(vmw_pb_buffer(buf), flags, NULL);
98 }
99
100
101 static void
vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen * sws,struct svga_winsys_buffer * buf)102 vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
103 struct svga_winsys_buffer *buf)
104 {
105 (void)sws;
106 pb_unmap(vmw_pb_buffer(buf));
107 }
108
109
110 static void
vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen * sws,struct svga_winsys_buffer * buf)111 vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
112 struct svga_winsys_buffer *buf)
113 {
114 struct pb_buffer *pbuf = vmw_pb_buffer(buf);
115 (void)sws;
116 pb_reference(&pbuf, NULL);
117 }
118
119
120 static void
vmw_svga_winsys_fence_reference(struct svga_winsys_screen * sws,struct pipe_fence_handle ** pdst,struct pipe_fence_handle * src)121 vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws,
122 struct pipe_fence_handle **pdst,
123 struct pipe_fence_handle *src)
124 {
125 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
126
127 vmw_fence_reference(vws, pdst, src);
128 }
129
130
131 static int
vmw_svga_winsys_fence_signalled(struct svga_winsys_screen * sws,struct pipe_fence_handle * fence,unsigned flag)132 vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws,
133 struct pipe_fence_handle *fence,
134 unsigned flag)
135 {
136 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
137
138 return vmw_fence_signalled(vws, fence, flag);
139 }
140
141
142 static int
vmw_svga_winsys_fence_finish(struct svga_winsys_screen * sws,struct pipe_fence_handle * fence,unsigned flag)143 vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws,
144 struct pipe_fence_handle *fence,
145 unsigned flag)
146 {
147 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
148
149 return vmw_fence_finish(vws, fence, flag);
150 }
151
152
153
154 static struct svga_winsys_surface *
vmw_svga_winsys_surface_create(struct svga_winsys_screen * sws,SVGA3dSurfaceFlags flags,SVGA3dSurfaceFormat format,SVGA3dSize size,uint32 numFaces,uint32 numMipLevels)155 vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws,
156 SVGA3dSurfaceFlags flags,
157 SVGA3dSurfaceFormat format,
158 SVGA3dSize size,
159 uint32 numFaces,
160 uint32 numMipLevels)
161 {
162 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
163 struct vmw_svga_winsys_surface *surface;
164
165 surface = CALLOC_STRUCT(vmw_svga_winsys_surface);
166 if(!surface)
167 goto no_surface;
168
169 pipe_reference_init(&surface->refcnt, 1);
170 p_atomic_set(&surface->validated, 0);
171 surface->screen = vws;
172 surface->sid = vmw_ioctl_surface_create(vws,
173 flags, format, size,
174 numFaces, numMipLevels);
175 if(surface->sid == SVGA3D_INVALID_ID)
176 goto no_sid;
177
178 return svga_winsys_surface(surface);
179
180 no_sid:
181 FREE(surface);
182 no_surface:
183 return NULL;
184 }
185
186
187 static boolean
vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen * sws,struct svga_winsys_surface * surface)188 vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws,
189 struct svga_winsys_surface *surface)
190 {
191 struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface);
192 return (p_atomic_read(&vsurf->validated) == 0);
193 }
194
195
196 static void
vmw_svga_winsys_surface_ref(struct svga_winsys_screen * sws,struct svga_winsys_surface ** pDst,struct svga_winsys_surface * src)197 vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws,
198 struct svga_winsys_surface **pDst,
199 struct svga_winsys_surface *src)
200 {
201 struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst);
202 struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src);
203
204 vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf);
205 *pDst = svga_winsys_surface(d_vsurf);
206 }
207
208
209 static void
vmw_svga_winsys_destroy(struct svga_winsys_screen * sws)210 vmw_svga_winsys_destroy(struct svga_winsys_screen *sws)
211 {
212 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
213
214 vmw_winsys_destroy(vws);
215 }
216
217
218 static SVGA3dHardwareVersion
vmw_svga_winsys_get_hw_version(struct svga_winsys_screen * sws)219 vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws)
220 {
221 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
222
223 return (SVGA3dHardwareVersion) vws->ioctl.hwversion;
224 }
225
226
227 static boolean
vmw_svga_winsys_get_cap(struct svga_winsys_screen * sws,SVGA3dDevCapIndex index,SVGA3dDevCapResult * result)228 vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws,
229 SVGA3dDevCapIndex index,
230 SVGA3dDevCapResult *result)
231 {
232 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
233 const uint32 *capsBlock;
234 const SVGA3dCapsRecord *capsRecord = NULL;
235 uint32 offset;
236 const SVGA3dCapPair *capArray;
237 int numCaps, first, last;
238
239 if(vws->ioctl.hwversion < SVGA3D_HWVERSION_WS6_B1)
240 return FALSE;
241
242 /*
243 * Search linearly through the caps block records for the specified type.
244 */
245 capsBlock = (const uint32 *)vws->ioctl.buffer;
246 for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) {
247 const SVGA3dCapsRecord *record;
248 assert(offset < SVGA_FIFO_3D_CAPS_SIZE);
249 record = (const SVGA3dCapsRecord *) (capsBlock + offset);
250 if ((record->header.type >= SVGA3DCAPS_RECORD_DEVCAPS_MIN) &&
251 (record->header.type <= SVGA3DCAPS_RECORD_DEVCAPS_MAX) &&
252 (!capsRecord || (record->header.type > capsRecord->header.type))) {
253 capsRecord = record;
254 }
255 }
256
257 if(!capsRecord)
258 return FALSE;
259
260 /*
261 * Calculate the number of caps from the size of the record.
262 */
263 capArray = (const SVGA3dCapPair *) capsRecord->data;
264 numCaps = (int) ((capsRecord->header.length * sizeof(uint32) -
265 sizeof capsRecord->header) / (2 * sizeof(uint32)));
266
267 /*
268 * Binary-search for the cap with the specified index.
269 */
270 for (first = 0, last = numCaps - 1; first <= last; ) {
271 int mid = (first + last) / 2;
272
273 if ((SVGA3dDevCapIndex) capArray[mid][0] == index) {
274 /*
275 * Found it.
276 */
277 result->u = capArray[mid][1];
278 return TRUE;
279 }
280
281 /*
282 * Divide and conquer.
283 */
284 if ((SVGA3dDevCapIndex) capArray[mid][0] > index) {
285 last = mid - 1;
286 } else {
287 first = mid + 1;
288 }
289 }
290
291 return FALSE;
292 }
293
294
295 boolean
vmw_winsys_screen_init_svga(struct vmw_winsys_screen * vws)296 vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws)
297 {
298 vws->base.destroy = vmw_svga_winsys_destroy;
299 vws->base.get_hw_version = vmw_svga_winsys_get_hw_version;
300 vws->base.get_cap = vmw_svga_winsys_get_cap;
301 vws->base.context_create = vmw_svga_winsys_context_create;
302 vws->base.surface_create = vmw_svga_winsys_surface_create;
303 vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed;
304 vws->base.surface_reference = vmw_svga_winsys_surface_ref;
305 vws->base.buffer_create = vmw_svga_winsys_buffer_create;
306 vws->base.buffer_map = vmw_svga_winsys_buffer_map;
307 vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap;
308 vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy;
309 vws->base.fence_reference = vmw_svga_winsys_fence_reference;
310 vws->base.fence_signalled = vmw_svga_winsys_fence_signalled;
311 vws->base.fence_finish = vmw_svga_winsys_fence_finish;
312
313 return TRUE;
314 }
315
316
317