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      1 /*
      2  * Copyright 2011 Joakim Sindholt <opensource (at) 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_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
     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
    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
    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
    202 drm_create_adapter( int fd,
    203                     ID3DAdapter9 **ppAdapter )
    204 {
    205     struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
    206     HRESULT hr;
    207     int 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