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 "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 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_NINE_DYNAMICTEXTUREWORKAROUND("false")
  63         DRI_CONF_NINE_SHADERINLINECONSTANTS("false")
  64     DRI_CONF_SECTION_END
  65 DRI_CONF_END;
  66
  67 struct fallback_card_config {
  68     const char *name;
  69     unsigned vendor_id;
  70     unsigned device_id;
  71 } fallback_cards[] = {
  72         {"NV124", 0x10de, 0x13C2}, /* NVIDIA GeForce GTX 970 */
  73         {"HAWAII", 0x1002, 0x67b1}, /* AMD Radeon R9 290 */
  74         {"Haswell Mobile", 0x8086, 0x13C2}, /* Intel Haswell Mobile */
  75         {"SVGA3D", 0x15ad, 0x0405}, /* VMware SVGA 3D */
  76 };
  77
  78 /* prototypes */
  79 void
  80 d3d_match_vendor_id( D3DADAPTER_IDENTIFIER9* drvid,
  81                      unsigned fallback_ven,
  82                      unsigned fallback_dev,
  83                      const char* fallback_name );
  84
  85 void d3d_fill_driver_version(D3DADAPTER_IDENTIFIER9* drvid);
  86
  87 void d3d_fill_cardname(D3DADAPTER_IDENTIFIER9* drvid);
  88
  89 struct d3dadapter9drm_context
  90 {
  91     struct d3dadapter9_context base;
  92     struct pipe_loader_device *dev, *swdev;
  93     int fd;
  94 };
  95
  96 static void
  97 drm_destroy( struct d3dadapter9_context *ctx )
  98 {
  99     struct d3dadapter9drm_context *drm = (struct d3dadapter9drm_context *)ctx;
 100
 101     if (ctx->ref)
 102         ctx->ref->destroy(ctx->ref);
 103     /* because ref is a wrapper around hal, freeing ref frees hal too. */
 104     else if (ctx->hal)
 105         ctx->hal->destroy(ctx->hal);
 106
 107     if (drm->swdev)
 108         pipe_loader_release(&drm->swdev, 1);
 109     if (drm->dev)
 110         pipe_loader_release(&drm->dev, 1);
 111
 112     close(drm->fd);
 113     FREE(ctx);
 114 }
 115
 116 static inline void
 117 get_bus_info( int fd,
 118               DWORD *vendorid,
 119               DWORD *deviceid,
 120               DWORD *subsysid,
 121               DWORD *revision )
 122 {
 123     int vid, did;
 124
 125     if (loader_get_pci_id_for_fd(fd, &vid, &did)) {
 126         DBG("PCI info: vendor=0x%04x, device=0x%04x\n",
 127             vid, did);
 128         *vendorid = vid;
 129         *deviceid = did;
 130         *subsysid = 0;
 131         *revision = 0;
 132     } else {
 133         DBG("Unable to detect card. Faking %s\n", fallback_cards[0].name);
 134         *vendorid = fallback_cards[0].vendor_id;
 135         *deviceid = fallback_cards[0].device_id;
 136         *subsysid = 0;
 137         *revision = 0;
 138     }
 139 }
 140
 141 static inline void
 142 read_descriptor( struct d3dadapter9_context *ctx,
 143                  int fd, int override_vendorid )
 144 {
 145     unsigned i;
 146     BOOL found;
 147     D3DADAPTER_IDENTIFIER9 *drvid = &ctx->identifier;
 148
 149     memset(drvid, 0, sizeof(*drvid));
 150     get_bus_info(fd, &drvid->VendorId, &drvid->DeviceId,
 151                  &drvid->SubSysId, &drvid->Revision);
 152     snprintf(drvid->DeviceName, sizeof(drvid->DeviceName),
 153                  "Gallium 0.4 with %s", ctx->hal->get_vendor(ctx->hal));
 154     snprintf(drvid->Description, sizeof(drvid->Description),
 155                  "%s", ctx->hal->get_name(ctx->hal));
 156
 157     if (override_vendorid > 0) {
 158         found = FALSE;
 159         /* fill in device_id and card name for fake vendor */
 160         for (i = 0; i < sizeof(fallback_cards)/sizeof(fallback_cards[0]); i++) {
 161             if (fallback_cards[i].vendor_id == override_vendorid) {
 162                 DBG("Faking card '%s' vendor 0x%04x, device 0x%04x\n",
 163                         fallback_cards[i].name,
 164                         fallback_cards[i].vendor_id,
 165                         fallback_cards[i].device_id);
 166                 drvid->VendorId = fallback_cards[i].vendor_id;
 167                 drvid->DeviceId = fallback_cards[i].device_id;
 168                 snprintf(drvid->Description, sizeof(drvid->Description),
 169                              "%s", fallback_cards[i].name);
 170                 found = TRUE;
 171                 break;
 172             }
 173         }
 174         if (!found) {
 175             DBG("Unknown fake vendor 0x%04x! Using detected vendor !\n", override_vendorid);
 176         }
 177     }
 178     /* choose fall-back vendor if necessary to allow
 179      * the following functions to return sane results */
 180     d3d_match_vendor_id(drvid, fallback_cards[0].vendor_id, fallback_cards[0].device_id, fallback_cards[0].name);
 181     /* fill in driver name and version info */
 182     d3d_fill_driver_version(drvid);
 183     /* override Description field with Windows like names */
 184     d3d_fill_cardname(drvid);
 185
 186     /* this driver isn't WHQL certified */
 187     drvid->WHQLLevel = 0;
 188
 189     /* this value is fixed */
 190     drvid->DeviceIdentifier.Data1 = 0xaeb2cdd4;
 191     drvid->DeviceIdentifier.Data2 = 0x6e41;
 192     drvid->DeviceIdentifier.Data3 = 0x43ea;
 193     drvid->DeviceIdentifier.Data4[0] = 0x94;
 194     drvid->DeviceIdentifier.Data4[1] = 0x1c;
 195     drvid->DeviceIdentifier.Data4[2] = 0x83;
 196     drvid->DeviceIdentifier.Data4[3] = 0x61;
 197     drvid->DeviceIdentifier.Data4[4] = 0xcc;
 198     drvid->DeviceIdentifier.Data4[5] = 0x76;
 199     drvid->DeviceIdentifier.Data4[6] = 0x07;
 200     drvid->DeviceIdentifier.Data4[7] = 0x81;
 201 }
 202
 203 static HRESULT WINAPI
 204 drm_create_adapter( int fd,
 205                     ID3DAdapter9 **ppAdapter )
 206 {
 207     struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
 208     HRESULT hr;
 209     bool different_device;
 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     if (!ctx->base.hal->get_param(ctx->base.hal, PIPE_CAP_DMABUF)) {
 240         ERR("The driver is not capable of dma-buf sharing."
 241             "Abandon to load nine state tracker\n");
 242         drm_destroy(&ctx->base);
 243         return D3DERR_DRIVERINTERNALERROR;
 244     }
 245
 246     /* Previously was set to PIPE_CAP_MAX_FRAMES_IN_FLIGHT,
 247      * but the change of value of this cap to 1 seems to cause
 248      * regressions. */
 249     ctx->base.throttling_value = 2;
 250     ctx->base.throttling = ctx->base.throttling_value > 0;
 251
 252     driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine);
 253     driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0,
 254                         "nine", NULL, NULL, 0);
 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 (driCheckOption(&userInitOptions, "override_vendorid", DRI_INT)) {
 276         override_vendorid = driQueryOptioni(&userInitOptions, "override_vendorid");
 277     }
 278
 279     if (driCheckOption(&userInitOptions, "discard_delayed_release", DRI_BOOL))
 280         ctx->base.discard_delayed_release = driQueryOptionb(&userInitOptions, "discard_delayed_release");
 281     else
 282         ctx->base.discard_delayed_release = TRUE;
 283
 284     if (driCheckOption(&userInitOptions, "tearfree_discard", DRI_BOOL))
 285         ctx->base.tearfree_discard = driQueryOptionb(&userInitOptions, "tearfree_discard");
 286     else
 287         ctx->base.tearfree_discard = FALSE;
 288
 289     if (ctx->base.tearfree_discard && !ctx->base.discard_delayed_release) {
 290         ERR("tearfree_discard requires discard_delayed_release\n");
 291         ctx->base.tearfree_discard = FALSE;
 292     }
 293
 294     if (driCheckOption(&userInitOptions, "csmt_force", DRI_INT))
 295         ctx->base.csmt_force = driQueryOptioni(&userInitOptions, "csmt_force");
 296     else
 297         ctx->base.csmt_force = -1;
 298
 299     if (driCheckOption(&userInitOptions, "dynamic_texture_workaround", DRI_BOOL))
 300         ctx->base.dynamic_texture_workaround = driQueryOptionb(&userInitOptions, "dynamic_texture_workaround");
 301     else
 302         ctx->base.dynamic_texture_workaround = FALSE;
 303
 304     if (driCheckOption(&userInitOptions, "shader_inline_constants", DRI_BOOL))
 305         ctx->base.shader_inline_constants = driQueryOptionb(&userInitOptions, "shader_inline_constants");
 306     else
 307         ctx->base.shader_inline_constants = FALSE;
 308
 309     driDestroyOptionCache(&userInitOptions);
 310     driDestroyOptionInfo(&defaultInitOptions);
 311
 312     /* wrap it to create a software screen that can share resources */
 313     if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal))
 314         ctx->base.ref = pipe_loader_create_screen(ctx->swdev);
 315
 316     if (!ctx->base.ref) {
 317         ERR("Couldn't wrap drm screen to swrast screen. Software devices "
 318             "will be unavailable.\n");
 319     }
 320
 321     /* read out PCI info */
 322     read_descriptor(&ctx->base, fd, override_vendorid);
 323
 324     /* create and return new ID3DAdapter9 */
 325     hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
 326     if (FAILED(hr)) {
 327         drm_destroy(&ctx->base);
 328         return hr;
 329     }
 330
 331     return D3D_OK;
 332 }
 333
 334 const struct D3DAdapter9DRM drm9_desc = {
 335     .major_version = D3DADAPTER9DRM_MAJOR,
 336     .minor_version = D3DADAPTER9DRM_MINOR,
 337     .create_adapter = drm_create_adapter
 338 };