drm.c revision 01e04c3f 
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
50const char __driConfigOptionsNine[] =
51DRI_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
63DRI_CONF_END;
64
65struct 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 */
77void
78d3d_match_vendor_id( D3DADAPTER_IDENTIFIER9* drvid,
79                     unsigned fallback_ven,
80                     unsigned fallback_dev,
81                     const char* fallback_name );
82
83void d3d_fill_driver_version(D3DADAPTER_IDENTIFIER9* drvid);
84
85void d3d_fill_cardname(D3DADAPTER_IDENTIFIER9* drvid);
86
87struct d3dadapter9drm_context
88{
89    struct d3dadapter9_context base;
90    struct pipe_loader_device *dev, *swdev;
91    int fd;
92};
93
94static void
95drm_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
114static inline void
115get_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
139static inline void
140read_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
201static HRESULT WINAPI
202drm_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", NULL);
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
335const struct D3DAdapter9DRM drm9_desc = {
336    .major_version = D3DADAPTER9DRM_MAJOR,
337    .minor_version = D3DADAPTER9DRM_MINOR,
338    .create_adapter = drm_create_adapter
339};
340