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1 /*
2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22 
23 /* XXX: header order is slightly screwy here */
24 #include "loader.h"
25 
26 #include "adapter9.h"
27 
28 #include "pipe-loader/pipe_loader.h"
29 
30 #include "pipe/p_screen.h"
31 #include "pipe/p_state.h"
32 
33 #include "target-helpers/drm_helper.h"
34 #include "target-helpers/sw_helper.h"
35 #include "state_tracker/drm_driver.h"
36 
37 #include "d3dadapter/d3dadapter9.h"
38 #include "d3dadapter/drm.h"
39 
40 #include "util/xmlconfig.h"
41 #include "util/xmlpool.h"
42 
43 #include <drm.h>
44 #include <sys/ioctl.h>
45 #include <fcntl.h>
46 #include <stdio.h>
47 
48 #define DBG_CHANNEL DBG_ADAPTER
49 
50 const char __driConfigOptionsNine[] =
51 DRI_CONF_BEGIN
52     DRI_CONF_SECTION_PERFORMANCE
53          DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1)
54     DRI_CONF_SECTION_END
55     DRI_CONF_SECTION_NINE
56         DRI_CONF_NINE_OVERRIDEVENDOR(-1)
57         DRI_CONF_NINE_THROTTLE(-2)
58         DRI_CONF_NINE_THREADSUBMIT("false")
59         DRI_CONF_NINE_ALLOWDISCARDDELAYEDRELEASE("true")
60         DRI_CONF_NINE_TEARFREEDISCARD("false")
61         DRI_CONF_NINE_CSMT(-1)
62     DRI_CONF_SECTION_END
63 DRI_CONF_END;
64 
65 struct fallback_card_config {
66     const char *name;
67     unsigned vendor_id;
68     unsigned device_id;
69 } fallback_cards[] = {
70         {"NV124", 0x10de, 0x13C2}, /* NVIDIA GeForce GTX 970 */
71         {"HAWAII", 0x1002, 0x67b1}, /* AMD Radeon R9 290 */
72         {"Haswell Mobile", 0x8086, 0x13C2}, /* Intel Haswell Mobile */
73         {"SVGA3D", 0x15ad, 0x0405}, /* VMware SVGA 3D */
74 };
75 
76 /* prototypes */
77 void
78 d3d_match_vendor_id( D3DADAPTER_IDENTIFIER9* drvid,
79                      unsigned fallback_ven,
80                      unsigned fallback_dev,
81                      const char* fallback_name );
82 
83 void d3d_fill_driver_version(D3DADAPTER_IDENTIFIER9* drvid);
84 
85 void d3d_fill_cardname(D3DADAPTER_IDENTIFIER9* drvid);
86 
87 struct d3dadapter9drm_context
88 {
89     struct d3dadapter9_context base;
90     struct pipe_loader_device *dev, *swdev;
91     int fd;
92 };
93 
94 static void
drm_destroy(struct d3dadapter9_context * ctx)95 drm_destroy( struct d3dadapter9_context *ctx )
96 {
97     struct d3dadapter9drm_context *drm = (struct d3dadapter9drm_context *)ctx;
98 
99     if (ctx->ref)
100         ctx->ref->destroy(ctx->ref);
101     /* because ref is a wrapper around hal, freeing ref frees hal too. */
102     else if (ctx->hal)
103         ctx->hal->destroy(ctx->hal);
104 
105     if (drm->swdev)
106         pipe_loader_release(&drm->swdev, 1);
107     if (drm->dev)
108         pipe_loader_release(&drm->dev, 1);
109 
110     close(drm->fd);
111     FREE(ctx);
112 }
113 
114 static inline void
get_bus_info(int fd,DWORD * vendorid,DWORD * deviceid,DWORD * subsysid,DWORD * revision)115 get_bus_info( int fd,
116               DWORD *vendorid,
117               DWORD *deviceid,
118               DWORD *subsysid,
119               DWORD *revision )
120 {
121     int vid, did;
122 
123     if (loader_get_pci_id_for_fd(fd, &vid, &did)) {
124         DBG("PCI info: vendor=0x%04x, device=0x%04x\n",
125             vid, did);
126         *vendorid = vid;
127         *deviceid = did;
128         *subsysid = 0;
129         *revision = 0;
130     } else {
131         DBG("Unable to detect card. Faking %s\n", fallback_cards[0].name);
132         *vendorid = fallback_cards[0].vendor_id;
133         *deviceid = fallback_cards[0].device_id;
134         *subsysid = 0;
135         *revision = 0;
136     }
137 }
138 
139 static inline void
read_descriptor(struct d3dadapter9_context * ctx,int fd,int override_vendorid)140 read_descriptor( struct d3dadapter9_context *ctx,
141                  int fd, int override_vendorid )
142 {
143     unsigned i;
144     BOOL found;
145     D3DADAPTER_IDENTIFIER9 *drvid = &ctx->identifier;
146 
147     memset(drvid, 0, sizeof(*drvid));
148     get_bus_info(fd, &drvid->VendorId, &drvid->DeviceId,
149                  &drvid->SubSysId, &drvid->Revision);
150     snprintf(drvid->DeviceName, sizeof(drvid->DeviceName),
151                  "Gallium 0.4 with %s", ctx->hal->get_vendor(ctx->hal));
152     strncpy(drvid->Description, ctx->hal->get_name(ctx->hal),
153                  sizeof(drvid->Description));
154 
155     if (override_vendorid > 0) {
156         found = FALSE;
157         /* fill in device_id and card name for fake vendor */
158         for (i = 0; i < sizeof(fallback_cards)/sizeof(fallback_cards[0]); i++) {
159             if (fallback_cards[i].vendor_id == override_vendorid) {
160                 DBG("Faking card '%s' vendor 0x%04x, device 0x%04x\n",
161                         fallback_cards[i].name,
162                         fallback_cards[i].vendor_id,
163                         fallback_cards[i].device_id);
164                 drvid->VendorId = fallback_cards[i].vendor_id;
165                 drvid->DeviceId = fallback_cards[i].device_id;
166                 strncpy(drvid->Description, fallback_cards[i].name,
167                              sizeof(drvid->Description));
168                 found = TRUE;
169                 break;
170             }
171         }
172         if (!found) {
173             DBG("Unknown fake vendor 0x%04x! Using detected vendor !\n", override_vendorid);
174         }
175     }
176     /* choose fall-back vendor if necessary to allow
177      * the following functions to return sane results */
178     d3d_match_vendor_id(drvid, fallback_cards[0].vendor_id, fallback_cards[0].device_id, fallback_cards[0].name);
179     /* fill in driver name and version info */
180     d3d_fill_driver_version(drvid);
181     /* override Description field with Windows like names */
182     d3d_fill_cardname(drvid);
183 
184     /* this driver isn't WHQL certified */
185     drvid->WHQLLevel = 0;
186 
187     /* this value is fixed */
188     drvid->DeviceIdentifier.Data1 = 0xaeb2cdd4;
189     drvid->DeviceIdentifier.Data2 = 0x6e41;
190     drvid->DeviceIdentifier.Data3 = 0x43ea;
191     drvid->DeviceIdentifier.Data4[0] = 0x94;
192     drvid->DeviceIdentifier.Data4[1] = 0x1c;
193     drvid->DeviceIdentifier.Data4[2] = 0x83;
194     drvid->DeviceIdentifier.Data4[3] = 0x61;
195     drvid->DeviceIdentifier.Data4[4] = 0xcc;
196     drvid->DeviceIdentifier.Data4[5] = 0x76;
197     drvid->DeviceIdentifier.Data4[6] = 0x07;
198     drvid->DeviceIdentifier.Data4[7] = 0x81;
199 }
200 
201 static HRESULT WINAPI
drm_create_adapter(int fd,ID3DAdapter9 ** ppAdapter)202 drm_create_adapter( int fd,
203                     ID3DAdapter9 **ppAdapter )
204 {
205     struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
206     HRESULT hr;
207     bool different_device;
208     const struct drm_conf_ret *throttle_ret = NULL;
209     const struct drm_conf_ret *dmabuf_ret = NULL;
210     driOptionCache defaultInitOptions;
211     driOptionCache userInitOptions;
212     int throttling_value_user = -2;
213     int override_vendorid = -1;
214 
215     if (!ctx) { return E_OUTOFMEMORY; }
216 
217     ctx->base.destroy = drm_destroy;
218 
219     /* Although the fd is provided from external source, mesa/nine
220      * takes ownership of it. */
221     fd = loader_get_user_preferred_fd(fd, &different_device);
222     ctx->fd = fd;
223     ctx->base.linear_framebuffer = different_device;
224 
225     if (!pipe_loader_drm_probe_fd(&ctx->dev, fd)) {
226         ERR("Failed to probe drm fd %d.\n", fd);
227         FREE(ctx);
228         close(fd);
229         return D3DERR_DRIVERINTERNALERROR;
230     }
231 
232     ctx->base.hal = pipe_loader_create_screen(ctx->dev);
233     if (!ctx->base.hal) {
234         ERR("Unable to load requested driver.\n");
235         drm_destroy(&ctx->base);
236         return D3DERR_DRIVERINTERNALERROR;
237     }
238 
239     dmabuf_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_SHARE_FD);
240     throttle_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_THROTTLE);
241     if (!dmabuf_ret || !dmabuf_ret->val.val_bool) {
242         ERR("The driver is not capable of dma-buf sharing."
243             "Abandon to load nine state tracker\n");
244         drm_destroy(&ctx->base);
245         return D3DERR_DRIVERINTERNALERROR;
246     }
247 
248     if (throttle_ret && throttle_ret->val.val_int != -1) {
249         ctx->base.throttling = TRUE;
250         ctx->base.throttling_value = throttle_ret->val.val_int;
251     } else
252         ctx->base.throttling = FALSE;
253 
254     driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine);
255     driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "nine");
256     if (driCheckOption(&userInitOptions, "throttle_value", DRI_INT)) {
257         throttling_value_user = driQueryOptioni(&userInitOptions, "throttle_value");
258         if (throttling_value_user == -1)
259             ctx->base.throttling = FALSE;
260         else if (throttling_value_user >= 0) {
261             ctx->base.throttling = TRUE;
262             ctx->base.throttling_value = throttling_value_user;
263         }
264     }
265 
266     if (driCheckOption(&userInitOptions, "vblank_mode", DRI_ENUM))
267         ctx->base.vblank_mode = driQueryOptioni(&userInitOptions, "vblank_mode");
268     else
269         ctx->base.vblank_mode = 1;
270 
271     if (driCheckOption(&userInitOptions, "thread_submit", DRI_BOOL))
272         ctx->base.thread_submit = driQueryOptionb(&userInitOptions, "thread_submit");
273     else
274         ctx->base.thread_submit = different_device;
275 
276     if (ctx->base.thread_submit && (throttling_value_user == -2 || throttling_value_user == 0)) {
277         ctx->base.throttling_value = 0;
278     } else if (ctx->base.thread_submit) {
279         DBG("You have set a non standard throttling value in combination with thread_submit."
280             "We advise to use a throttling value of -2/0");
281     }
282     if (ctx->base.thread_submit && !different_device)
283         DBG("You have set thread_submit but do not use a different device than the server."
284             "You should not expect any benefit.");
285 
286     if (driCheckOption(&userInitOptions, "override_vendorid", DRI_INT)) {
287         override_vendorid = driQueryOptioni(&userInitOptions, "override_vendorid");
288     }
289 
290     if (driCheckOption(&userInitOptions, "discard_delayed_release", DRI_BOOL))
291         ctx->base.discard_delayed_release = driQueryOptionb(&userInitOptions, "discard_delayed_release");
292     else
293         ctx->base.discard_delayed_release = TRUE;
294 
295     if (driCheckOption(&userInitOptions, "tearfree_discard", DRI_BOOL))
296         ctx->base.tearfree_discard = driQueryOptionb(&userInitOptions, "tearfree_discard");
297     else
298         ctx->base.tearfree_discard = FALSE;
299 
300     if (ctx->base.tearfree_discard && !ctx->base.discard_delayed_release) {
301         ERR("tearfree_discard requires discard_delayed_release\n");
302         ctx->base.tearfree_discard = FALSE;
303     }
304 
305     if (driCheckOption(&userInitOptions, "csmt_force", DRI_INT))
306         ctx->base.csmt_force = driQueryOptioni(&userInitOptions, "csmt_force");
307     else
308         ctx->base.csmt_force = -1;
309 
310     driDestroyOptionCache(&userInitOptions);
311     driDestroyOptionInfo(&defaultInitOptions);
312 
313     /* wrap it to create a software screen that can share resources */
314     if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal))
315         ctx->base.ref = pipe_loader_create_screen(ctx->swdev);
316 
317     if (!ctx->base.ref) {
318         ERR("Couldn't wrap drm screen to swrast screen. Software devices "
319             "will be unavailable.\n");
320     }
321 
322     /* read out PCI info */
323     read_descriptor(&ctx->base, fd, override_vendorid);
324 
325     /* create and return new ID3DAdapter9 */
326     hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
327     if (FAILED(hr)) {
328         drm_destroy(&ctx->base);
329         return hr;
330     }
331 
332     return D3D_OK;
333 }
334 
335 const struct D3DAdapter9DRM drm9_desc = {
336     .major_version = D3DADAPTER9DRM_MAJOR,
337     .minor_version = D3DADAPTER9DRM_MINOR,
338     .create_adapter = drm_create_adapter
339 };
340