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 "frontend/drm_driver.h"
36
37 #include "d3dadapter/d3dadapter9.h"
38 #include "d3dadapter/drm.h"
39
40 #include "util/xmlconfig.h"
41 #include "util/driconf.h"
42
43 #include "drm-uapi/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 driOptionDescription __driConfigOptionsNine[] = {
51 DRI_CONF_SECTION_PERFORMANCE
52 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1)
53 DRI_CONF_SECTION_END
54 DRI_CONF_SECTION_NINE
55 DRI_CONF_NINE_OVERRIDEVENDOR(-1)
56 DRI_CONF_NINE_THROTTLE(-2)
57 DRI_CONF_NINE_THREADSUBMIT(true)
58 DRI_CONF_NINE_ALLOWDISCARDDELAYEDRELEASE(true)
59 DRI_CONF_NINE_TEARFREEDISCARD(true)
60 DRI_CONF_NINE_CSMT(-1)
61 DRI_CONF_NINE_DYNAMICTEXTUREWORKAROUND(true)
62 DRI_CONF_NINE_SHADERINLINECONSTANTS(false)
63 DRI_CONF_NINE_SHMEM_LIMIT()
64 DRI_CONF_NINE_FORCESWRENDERINGONCPU(false)
65 DRI_CONF_SECTION_END
66 DRI_CONF_SECTION_DEBUG
67 DRI_CONF_OVERRIDE_VRAM_SIZE()
68 DRI_CONF_SECTION_END
69 };
70
71 struct fallback_card_config {
72 const char *name;
73 unsigned vendor_id;
74 unsigned device_id;
75 } fallback_cards[] = {
76 {"NV124", 0x10de, 0x13C2}, /* NVIDIA GeForce GTX 970 */
77 {"HAWAII", 0x1002, 0x67b1}, /* AMD Radeon R9 290 */
78 {"Haswell Mobile", 0x8086, 0x13C2}, /* Intel Haswell Mobile */
79 {"SVGA3D", 0x15ad, 0x0405}, /* VMware SVGA 3D */
80 };
81
82 /* prototypes */
83 void
84 d3d_match_vendor_id( D3DADAPTER_IDENTIFIER9* drvid,
85 unsigned fallback_ven,
86 unsigned fallback_dev,
87 const char* fallback_name );
88
89 void d3d_fill_driver_version(D3DADAPTER_IDENTIFIER9* drvid);
90
91 void d3d_fill_cardname(D3DADAPTER_IDENTIFIER9* drvid);
92
93 struct d3dadapter9drm_context
94 {
95 struct d3dadapter9_context base;
96 struct pipe_loader_device *dev, *swdev;
97 int fd;
98 };
99
100 static void
drm_destroy(struct d3dadapter9_context * ctx)101 drm_destroy( struct d3dadapter9_context *ctx )
102 {
103 struct d3dadapter9drm_context *drm = (struct d3dadapter9drm_context *)ctx;
104
105 if (ctx->ref && ctx->hal != ctx->ref)
106 ctx->ref->destroy(ctx->ref);
107 /* because ref is a wrapper around hal, freeing ref frees hal too. */
108 else if (ctx->hal)
109 ctx->hal->destroy(ctx->hal);
110
111 if (drm->swdev && drm->swdev != drm->dev)
112 pipe_loader_release(&drm->swdev, 1);
113 if (drm->dev)
114 pipe_loader_release(&drm->dev, 1);
115
116 close(drm->fd);
117 FREE(ctx);
118 }
119
120 static inline void
get_bus_info(int fd,DWORD * vendorid,DWORD * deviceid,DWORD * subsysid,DWORD * revision)121 get_bus_info( int fd,
122 DWORD *vendorid,
123 DWORD *deviceid,
124 DWORD *subsysid,
125 DWORD *revision )
126 {
127 int vid, did;
128
129 if (loader_get_pci_id_for_fd(fd, &vid, &did)) {
130 DBG("PCI info: vendor=0x%04x, device=0x%04x\n",
131 vid, did);
132 *vendorid = vid;
133 *deviceid = did;
134 *subsysid = 0;
135 *revision = 0;
136 } else {
137 DBG("Unable to detect card. Faking %s\n", fallback_cards[0].name);
138 *vendorid = fallback_cards[0].vendor_id;
139 *deviceid = fallback_cards[0].device_id;
140 *subsysid = 0;
141 *revision = 0;
142 }
143 }
144
145 static inline void
read_descriptor(struct d3dadapter9_context * ctx,int fd,int override_vendorid)146 read_descriptor( struct d3dadapter9_context *ctx,
147 int fd, int override_vendorid )
148 {
149 unsigned i;
150 BOOL found;
151 D3DADAPTER_IDENTIFIER9 *drvid = &ctx->identifier;
152
153 memset(drvid, 0, sizeof(*drvid));
154 get_bus_info(fd, &drvid->VendorId, &drvid->DeviceId,
155 &drvid->SubSysId, &drvid->Revision);
156 snprintf(drvid->DeviceName, sizeof(drvid->DeviceName),
157 "Gallium 0.4 with %s", ctx->hal->get_vendor(ctx->hal));
158 snprintf(drvid->Description, sizeof(drvid->Description),
159 "%s", ctx->hal->get_name(ctx->hal));
160
161 if (override_vendorid > 0) {
162 found = FALSE;
163 /* fill in device_id and card name for fake vendor */
164 for (i = 0; i < sizeof(fallback_cards)/sizeof(fallback_cards[0]); i++) {
165 if (fallback_cards[i].vendor_id == override_vendorid) {
166 DBG("Faking card '%s' vendor 0x%04x, device 0x%04x\n",
167 fallback_cards[i].name,
168 fallback_cards[i].vendor_id,
169 fallback_cards[i].device_id);
170 drvid->VendorId = fallback_cards[i].vendor_id;
171 drvid->DeviceId = fallback_cards[i].device_id;
172 snprintf(drvid->Description, sizeof(drvid->Description),
173 "%s", fallback_cards[i].name);
174 found = TRUE;
175 break;
176 }
177 }
178 if (!found) {
179 DBG("Unknown fake vendor 0x%04x! Using detected vendor !\n", override_vendorid);
180 }
181 }
182 /* choose fall-back vendor if necessary to allow
183 * the following functions to return sane results */
184 d3d_match_vendor_id(drvid, fallback_cards[0].vendor_id, fallback_cards[0].device_id, fallback_cards[0].name);
185 /* fill in driver name and version info */
186 d3d_fill_driver_version(drvid);
187 /* override Description field with Windows like names */
188 d3d_fill_cardname(drvid);
189
190 /* this driver isn't WHQL certified */
191 drvid->WHQLLevel = 0;
192
193 /* this value is fixed */
194 drvid->DeviceIdentifier.Data1 = 0xaeb2cdd4;
195 drvid->DeviceIdentifier.Data2 = 0x6e41;
196 drvid->DeviceIdentifier.Data3 = 0x43ea;
197 drvid->DeviceIdentifier.Data4[0] = 0x94;
198 drvid->DeviceIdentifier.Data4[1] = 0x1c;
199 drvid->DeviceIdentifier.Data4[2] = 0x83;
200 drvid->DeviceIdentifier.Data4[3] = 0x61;
201 drvid->DeviceIdentifier.Data4[4] = 0xcc;
202 drvid->DeviceIdentifier.Data4[5] = 0x76;
203 drvid->DeviceIdentifier.Data4[6] = 0x07;
204 drvid->DeviceIdentifier.Data4[7] = 0x81;
205 }
206
207 static HRESULT WINAPI
drm_create_adapter(int fd,ID3DAdapter9 ** ppAdapter)208 drm_create_adapter( int fd,
209 ID3DAdapter9 **ppAdapter )
210 {
211 struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
212 HRESULT hr;
213 bool different_device;
214 driOptionCache defaultInitOptions;
215 driOptionCache userInitOptions;
216 int throttling_value_user = -2;
217 int override_vendorid = -1;
218 bool sw_rendering;
219
220 if (!ctx) { return E_OUTOFMEMORY; }
221
222 ctx->base.destroy = drm_destroy;
223
224 /* Although the fd is provided from external source, mesa/nine
225 * takes ownership of it. */
226 fd = loader_get_user_preferred_fd(fd, &different_device);
227 ctx->fd = fd;
228 ctx->base.linear_framebuffer = different_device;
229
230 if (!pipe_loader_drm_probe_fd(&ctx->dev, fd)) {
231 ERR("Failed to probe drm fd %d.\n", fd);
232 FREE(ctx);
233 close(fd);
234 return D3DERR_DRIVERINTERNALERROR;
235 }
236
237 ctx->base.hal = pipe_loader_create_screen(ctx->dev);
238 if (!ctx->base.hal) {
239 ERR("Unable to load requested driver.\n");
240 drm_destroy(&ctx->base);
241 return D3DERR_DRIVERINTERNALERROR;
242 }
243
244 if (!ctx->base.hal->get_param(ctx->base.hal, PIPE_CAP_DMABUF)) {
245 ERR("The driver is not capable of dma-buf sharing."
246 "Abandon to load nine state tracker\n");
247 drm_destroy(&ctx->base);
248 return D3DERR_DRIVERINTERNALERROR;
249 }
250
251 /* Previously was set to PIPE_CAP_MAX_FRAMES_IN_FLIGHT,
252 * but the change of value of this cap to 1 seems to cause
253 * regressions. */
254 ctx->base.throttling_value = 2;
255 ctx->base.throttling = ctx->base.throttling_value > 0;
256
257 driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine,
258 ARRAY_SIZE(__driConfigOptionsNine));
259 driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0,
260 "nine", NULL, NULL, NULL, 0, NULL, 0);
261 if (driCheckOption(&userInitOptions, "throttle_value", DRI_INT)) {
262 throttling_value_user = driQueryOptioni(&userInitOptions, "throttle_value");
263 if (throttling_value_user == -1)
264 ctx->base.throttling = FALSE;
265 else if (throttling_value_user >= 0) {
266 ctx->base.throttling = TRUE;
267 ctx->base.throttling_value = throttling_value_user;
268 }
269 }
270
271 ctx->base.vblank_mode = driQueryOptioni(&userInitOptions, "vblank_mode");
272 ctx->base.thread_submit = driQueryOptionb(&userInitOptions, "thread_submit"); /* TODO: default to TRUE if different_device */
273 override_vendorid = driQueryOptioni(&userInitOptions, "override_vendorid");
274
275 ctx->base.discard_delayed_release = driQueryOptionb(&userInitOptions, "discard_delayed_release");
276 ctx->base.tearfree_discard = driQueryOptionb(&userInitOptions, "tearfree_discard");
277
278 if (ctx->base.tearfree_discard && !ctx->base.discard_delayed_release) {
279 ERR("tearfree_discard requires discard_delayed_release\n");
280 ctx->base.tearfree_discard = FALSE;
281 }
282
283 ctx->base.csmt_force = driQueryOptioni(&userInitOptions, "csmt_force");
284 ctx->base.dynamic_texture_workaround = driQueryOptionb(&userInitOptions, "dynamic_texture_workaround");
285 ctx->base.shader_inline_constants = driQueryOptionb(&userInitOptions, "shader_inline_constants");
286 ctx->base.memfd_virtualsizelimit = driQueryOptioni(&userInitOptions, "texture_memory_limit");
287 ctx->base.override_vram_size = driQueryOptioni(&userInitOptions, "override_vram_size");
288 sw_rendering = driQueryOptionb(&userInitOptions, "force_sw_rendering_on_cpu");
289
290 driDestroyOptionCache(&userInitOptions);
291 driDestroyOptionInfo(&defaultInitOptions);
292
293 /* wrap it to create a software screen that can share resources */
294 if (sw_rendering && pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal))
295 ctx->base.ref = pipe_loader_create_screen(ctx->swdev);
296 else {
297 /* Use the hardware for sw rendering */
298 ctx->swdev = ctx->dev;
299 ctx->base.ref = ctx->base.hal;
300 }
301
302 /* read out PCI info */
303 read_descriptor(&ctx->base, fd, override_vendorid);
304
305 /* create and return new ID3DAdapter9 */
306 hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
307 if (FAILED(hr)) {
308 drm_destroy(&ctx->base);
309 return hr;
310 }
311
312 return D3D_OK;
313 }
314
315 const struct D3DAdapter9DRM drm9_desc = {
316 .major_version = D3DADAPTER9DRM_MAJOR,
317 .minor_version = D3DADAPTER9DRM_MINOR,
318 .create_adapter = drm_create_adapter
319 };
320