src/gallium/targets/d3dadapter9/drm.c

   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 "xmlconfig.h"
  41 #include "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_SECTION_END
  62 DRI_CONF_END;
  63
  64 struct fallback_card_config {
  65     const char *name;
  66     unsigned vendor_id;
  67     unsigned device_id;
  68 } fallback_cards[] = {
  69         {"NV124", 0x10de, 0x13C2}, /* NVIDIA GeForce GTX 970 */
  70         {"HAWAII", 0x1002, 0x67b1}, /* AMD Radeon R9 290 */
  71         {"Haswell Mobile", 0x8086, 0x13C2}, /* Intel Haswell Mobile */
  72         {"SVGA3D", 0x15ad, 0x0405}, /* VMware SVGA 3D */
  73 };
  74
  75 /* prototypes */
  76 void
  77 d3d_match_vendor_id( D3DADAPTER_IDENTIFIER9* drvid,
  78                      unsigned fallback_ven,
  79                      unsigned fallback_dev,
  80                      const char* fallback_name );
  81
  82 void d3d_fill_driver_version(D3DADAPTER_IDENTIFIER9* drvid);
  83
  84 void d3d_fill_cardname(D3DADAPTER_IDENTIFIER9* drvid);
  85
  86 struct d3dadapter9drm_context
  87 {
  88     struct d3dadapter9_context base;
  89     struct pipe_loader_device *dev, *swdev;
  90     int fd;
  91 };
  92
  93 static void
  94 drm_destroy( struct d3dadapter9_context *ctx )
  95 {
  96     struct d3dadapter9drm_context *drm = (struct d3dadapter9drm_context *)ctx;
  97
  98     if (ctx->ref)
  99         ctx->ref->destroy(ctx->ref);
 100     /* because ref is a wrapper around hal, freeing ref frees hal too. */
 101     else if (ctx->hal)
 102         ctx->hal->destroy(ctx->hal);
 103
 104     if (drm->swdev)
 105         pipe_loader_release(&drm->swdev, 1);
 106     if (drm->dev)
 107         pipe_loader_release(&drm->dev, 1);
 108
 109     close(drm->fd);
 110     FREE(ctx);
 111 }
 112
 113 static inline void
 114 get_bus_info( int fd,
 115               DWORD *vendorid,
 116               DWORD *deviceid,
 117               DWORD *subsysid,
 118               DWORD *revision )
 119 {
 120     int vid, did;
 121
 122     if (loader_get_pci_id_for_fd(fd, &vid, &did)) {
 123         DBG("PCI info: vendor=0x%04x, device=0x%04x\n",
 124             vid, did);
 125         *vendorid = vid;
 126         *deviceid = did;
 127         *subsysid = 0;
 128         *revision = 0;
 129     } else {
 130         DBG("Unable to detect card. Faking %s\n", fallback_cards[0].name);
 131         *vendorid = fallback_cards[0].vendor_id;
 132         *deviceid = fallback_cards[0].device_id;
 133         *subsysid = 0;
 134         *revision = 0;
 135     }
 136 }
 137
 138 static inline void
 139 read_descriptor( struct d3dadapter9_context *ctx,
 140                  int fd, int override_vendorid )
 141 {
 142     unsigned i;
 143     BOOL found;
 144     D3DADAPTER_IDENTIFIER9 *drvid = &ctx->identifier;
 145
 146     memset(drvid, 0, sizeof(*drvid));
 147     get_bus_info(fd, &drvid->VendorId, &drvid->DeviceId,
 148                  &drvid->SubSysId, &drvid->Revision);
 149     snprintf(drvid->DeviceName, sizeof(drvid->DeviceName),
 150                  "Gallium 0.4 with %s", ctx->hal->get_vendor(ctx->hal));
 151     strncpy(drvid->Description, ctx->hal->get_name(ctx->hal),
 152                  sizeof(drvid->Description));
 153
 154     if (override_vendorid > 0) {
 155         found = FALSE;
 156         /* fill in device_id and card name for fake vendor */
 157         for (i = 0; i < sizeof(fallback_cards)/sizeof(fallback_cards[0]); i++) {
 158             if (fallback_cards[i].vendor_id == override_vendorid) {
 159                 DBG("Faking card '%s' vendor 0x%04x, device 0x%04x\n",
 160                         fallback_cards[i].name,
 161                         fallback_cards[i].vendor_id,
 162                         fallback_cards[i].device_id);
 163                 drvid->VendorId = fallback_cards[i].vendor_id;
 164                 drvid->DeviceId = fallback_cards[i].device_id;
 165                 strncpy(drvid->Description, fallback_cards[i].name,
 166                              sizeof(drvid->Description));
 167                 found = TRUE;
 168                 break;
 169             }
 170         }
 171         if (!found) {
 172             DBG("Unknown fake vendor 0x%04x! Using detected vendor !\n", override_vendorid);
 173         }
 174     }
 175     /* choose fall-back vendor if necessary to allow
 176      * the following functions to return sane results */
 177     d3d_match_vendor_id(drvid, fallback_cards[0].vendor_id, fallback_cards[0].device_id, fallback_cards[0].name);
 178     /* fill in driver name and version info */
 179     d3d_fill_driver_version(drvid);
 180     /* override Description field with Windows like names */
 181     d3d_fill_cardname(drvid);
 182
 183     /* this driver isn't WHQL certified */
 184     drvid->WHQLLevel = 0;
 185
 186     /* this value is fixed */
 187     drvid->DeviceIdentifier.Data1 = 0xaeb2cdd4;
 188     drvid->DeviceIdentifier.Data2 = 0x6e41;
 189     drvid->DeviceIdentifier.Data3 = 0x43ea;
 190     drvid->DeviceIdentifier.Data4[0] = 0x94;
 191     drvid->DeviceIdentifier.Data4[1] = 0x1c;
 192     drvid->DeviceIdentifier.Data4[2] = 0x83;
 193     drvid->DeviceIdentifier.Data4[3] = 0x61;
 194     drvid->DeviceIdentifier.Data4[4] = 0xcc;
 195     drvid->DeviceIdentifier.Data4[5] = 0x76;
 196     drvid->DeviceIdentifier.Data4[6] = 0x07;
 197     drvid->DeviceIdentifier.Data4[7] = 0x81;
 198 }
 199
 200 static HRESULT WINAPI
 201 drm_create_adapter( int fd,
 202                     ID3DAdapter9 **ppAdapter )
 203 {
 204     struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
 205     HRESULT hr;
 206     int different_device;
 207     const struct drm_conf_ret *throttle_ret = NULL;
 208     const struct drm_conf_ret *dmabuf_ret = NULL;
 209     driOptionCache defaultInitOptions;
 210     driOptionCache userInitOptions;
 211     int throttling_value_user = -2;
 212     int override_vendorid = -1;
 213
 214     if (!ctx) { return E_OUTOFMEMORY; }
 215
 216     ctx->base.destroy = drm_destroy;
 217
 218     /* Although the fd is provided from external source, mesa/nine
 219      * takes ownership of it. */
 220     fd = loader_get_user_preferred_fd(fd, &different_device);
 221     ctx->fd = fd;
 222     ctx->base.linear_framebuffer = !!different_device;
 223
 224     if (!pipe_loader_drm_probe_fd(&ctx->dev, fd)) {
 225         ERR("Failed to probe drm fd %d.\n", fd);
 226         FREE(ctx);
 227         close(fd);
 228         return D3DERR_DRIVERINTERNALERROR;
 229     }
 230
 231     ctx->base.hal = pipe_loader_create_screen(ctx->dev);
 232     if (!ctx->base.hal) {
 233         ERR("Unable to load requested driver.\n");
 234         drm_destroy(&ctx->base);
 235         return D3DERR_DRIVERINTERNALERROR;
 236     }
 237
 238     dmabuf_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_SHARE_FD);
 239     throttle_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_THROTTLE);
 240     if (!dmabuf_ret || !dmabuf_ret->val.val_bool) {
 241         ERR("The driver is not capable of dma-buf sharing."
 242             "Abandon to load nine state tracker\n");
 243         drm_destroy(&ctx->base);
 244         return D3DERR_DRIVERINTERNALERROR;
 245     }
 246
 247     if (throttle_ret && throttle_ret->val.val_int != -1) {
 248         ctx->base.throttling = TRUE;
 249         ctx->base.throttling_value = throttle_ret->val.val_int;
 250     } else
 251         ctx->base.throttling = FALSE;
 252
 253     driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine);
 254     driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "nine");
 255     if (driCheckOption(&userInitOptions, "throttle_value", DRI_INT)) {
 256         throttling_value_user = driQueryOptioni(&userInitOptions, "throttle_value");
 257         if (throttling_value_user == -1)
 258             ctx->base.throttling = FALSE;
 259         else if (throttling_value_user >= 0) {
 260             ctx->base.throttling = TRUE;
 261             ctx->base.throttling_value = throttling_value_user;
 262         }
 263     }
 264
 265     if (driCheckOption(&userInitOptions, "vblank_mode", DRI_ENUM))
 266         ctx->base.vblank_mode = driQueryOptioni(&userInitOptions, "vblank_mode");
 267     else
 268         ctx->base.vblank_mode = 1;
 269
 270     if (driCheckOption(&userInitOptions, "thread_submit", DRI_BOOL))
 271         ctx->base.thread_submit = driQueryOptionb(&userInitOptions, "thread_submit");
 272     else
 273         ctx->base.thread_submit = !!different_device;
 274
 275     if (ctx->base.thread_submit && (throttling_value_user == -2 || throttling_value_user == 0)) {
 276         ctx->base.throttling_value = 0;
 277     } else if (ctx->base.thread_submit) {
 278         DBG("You have set a non standard throttling value in combination with thread_submit."
 279             "We advise to use a throttling value of -2/0");
 280     }
 281     if (ctx->base.thread_submit && !different_device)
 282         DBG("You have set thread_submit but do not use a different device than the server."
 283             "You should not expect any benefit.");
 284
 285     if (driCheckOption(&userInitOptions, "override_vendorid", DRI_INT)) {
 286         override_vendorid = driQueryOptioni(&userInitOptions, "override_vendorid");
 287     }
 288
 289     if (driCheckOption(&userInitOptions, "discard_delayed_release", DRI_BOOL))
 290         ctx->base.discard_delayed_release = driQueryOptionb(&userInitOptions, "discard_delayed_release");
 291     else
 292         ctx->base.discard_delayed_release = TRUE;
 293
 294     if (driCheckOption(&userInitOptions, "tearfree_discard", DRI_BOOL))
 295         ctx->base.tearfree_discard = driQueryOptionb(&userInitOptions, "tearfree_discard");
 296     else
 297         ctx->base.tearfree_discard = FALSE;
 298
 299     if (ctx->base.tearfree_discard && !ctx->base.discard_delayed_release) {
 300         ERR("tearfree_discard requires discard_delayed_release\n");
 301         ctx->base.tearfree_discard = FALSE;
 302     }
 303
 304     driDestroyOptionCache(&userInitOptions);
 305     driDestroyOptionInfo(&defaultInitOptions);
 306
 307     /* wrap it to create a software screen that can share resources */
 308     if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal))
 309         ctx->base.ref = pipe_loader_create_screen(ctx->swdev);
 310
 311     if (!ctx->base.ref) {
 312         ERR("Couldn't wrap drm screen to swrast screen. Software devices "
 313             "will be unavailable.\n");
 314     }
 315
 316     /* read out PCI info */
 317     read_descriptor(&ctx->base, fd, override_vendorid);
 318
 319     /* create and return new ID3DAdapter9 */
 320     hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
 321     if (FAILED(hr)) {
 322         drm_destroy(&ctx->base);
 323         return hr;
 324     }
 325
 326     return D3D_OK;
 327 }
 328
 329 const struct D3DAdapter9DRM drm9_desc = {
 330     .major_version = D3DADAPTER9DRM_MAJOR,
 331     .minor_version = D3DADAPTER9DRM_MINOR,
 332     .create_adapter = drm_create_adapter
 333 };