1#include "pipe/p_defines.h"
2#include "pipe/p_screen.h"
3#include "pipe/p_state.h"
4
5#include "util/u_memory.h"
6#include "util/u_inlines.h"
7#include "util/u_format.h"
8#include "util/u_format_s3tc.h"
9#include "util/u_string.h"
10
11#include "util/os_time.h"
12
13#include <stdio.h>
14#include <errno.h>
15#include <stdlib.h>
16
17#include <nouveau_drm.h>
18
19#include "nouveau_winsys.h"
20#include "nouveau_screen.h"
21#include "nouveau_context.h"
22#include "nouveau_fence.h"
23#include "nouveau_mm.h"
24#include "nouveau_buffer.h"
25
26/* XXX this should go away */
27#include "state_tracker/drm_driver.h"
28
29int nouveau_mesa_debug = 0;
30
31static const char *
32nouveau_screen_get_name(struct pipe_screen *pscreen)
33{
34   struct nouveau_device *dev = nouveau_screen(pscreen)->device;
35   static char buffer[128];
36
37   util_snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
38   return buffer;
39}
40
41static const char *
42nouveau_screen_get_vendor(struct pipe_screen *pscreen)
43{
44   return "nouveau";
45}
46
47static const char *
48nouveau_screen_get_device_vendor(struct pipe_screen *pscreen)
49{
50   return "NVIDIA";
51}
52
53static uint64_t
54nouveau_screen_get_timestamp(struct pipe_screen *pscreen)
55{
56   int64_t cpu_time = os_time_get() * 1000;
57
58   /* getparam of PTIMER_TIME takes about x10 as long (several usecs) */
59
60   return cpu_time + nouveau_screen(pscreen)->cpu_gpu_time_delta;
61}
62
63static struct disk_cache *
64nouveau_screen_get_disk_shader_cache(struct pipe_screen *pscreen)
65{
66   return nouveau_screen(pscreen)->disk_shader_cache;
67}
68
69static void
70nouveau_screen_fence_ref(struct pipe_screen *pscreen,
71                         struct pipe_fence_handle **ptr,
72                         struct pipe_fence_handle *pfence)
73{
74   nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
75}
76
77static boolean
78nouveau_screen_fence_finish(struct pipe_screen *screen,
79                            struct pipe_context *ctx,
80                            struct pipe_fence_handle *pfence,
81                            uint64_t timeout)
82{
83   if (!timeout)
84      return nouveau_fence_signalled(nouveau_fence(pfence));
85
86   return nouveau_fence_wait(nouveau_fence(pfence), NULL);
87}
88
89
90struct nouveau_bo *
91nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
92                              struct winsys_handle *whandle,
93                              unsigned *out_stride)
94{
95   struct nouveau_device *dev = nouveau_screen(pscreen)->device;
96   struct nouveau_bo *bo = 0;
97   int ret;
98
99   if (whandle->offset != 0) {
100      debug_printf("%s: attempt to import unsupported winsys offset %d\n",
101                   __FUNCTION__, whandle->offset);
102      return NULL;
103   }
104
105   if (whandle->type != WINSYS_HANDLE_TYPE_SHARED &&
106       whandle->type != WINSYS_HANDLE_TYPE_FD) {
107      debug_printf("%s: attempt to import unsupported handle type %d\n",
108                   __FUNCTION__, whandle->type);
109      return NULL;
110   }
111
112   if (whandle->type == WINSYS_HANDLE_TYPE_SHARED)
113      ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
114   else
115      ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
116
117   if (ret) {
118      debug_printf("%s: ref name 0x%08x failed with %d\n",
119                   __FUNCTION__, whandle->handle, ret);
120      return NULL;
121   }
122
123   *out_stride = whandle->stride;
124   return bo;
125}
126
127
128bool
129nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
130                             struct nouveau_bo *bo,
131                             unsigned stride,
132                             struct winsys_handle *whandle)
133{
134   whandle->stride = stride;
135
136   if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
137      return nouveau_bo_name_get(bo, &whandle->handle) == 0;
138   } else if (whandle->type == WINSYS_HANDLE_TYPE_KMS) {
139      whandle->handle = bo->handle;
140      return true;
141   } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
142      return nouveau_bo_set_prime(bo, (int *)&whandle->handle) == 0;
143   } else {
144      return false;
145   }
146}
147
148static void
149nouveau_disk_cache_create(struct nouveau_screen *screen)
150{
151   struct mesa_sha1 ctx;
152   unsigned char sha1[20];
153   char cache_id[20 * 2 + 1];
154   uint64_t driver_flags = 0;
155
156   _mesa_sha1_init(&ctx);
157   if (!disk_cache_get_function_identifier(nouveau_disk_cache_create,
158                                           &ctx))
159      return;
160
161   _mesa_sha1_final(&ctx, sha1);
162   disk_cache_format_hex_id(cache_id, sha1, 20 * 2);
163
164   if (screen->prefer_nir)
165      driver_flags |= NOUVEAU_SHADER_CACHE_FLAGS_IR_NIR;
166   else
167      driver_flags |= NOUVEAU_SHADER_CACHE_FLAGS_IR_TGSI;
168
169   screen->disk_shader_cache =
170      disk_cache_create(nouveau_screen_get_name(&screen->base),
171                        cache_id, driver_flags);
172}
173
174int
175nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
176{
177   struct pipe_screen *pscreen = &screen->base;
178   struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
179   struct nvc0_fifo nvc0_data = { };
180   uint64_t time;
181   int size, ret;
182   void *data;
183   union nouveau_bo_config mm_config;
184
185   char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
186   if (nv_dbg)
187      nouveau_mesa_debug = atoi(nv_dbg);
188
189   screen->prefer_nir = debug_get_bool_option("NV50_PROG_USE_NIR", false);
190
191   /* These must be set before any failure is possible, as the cleanup
192    * paths assume they're responsible for deleting them.
193    */
194   screen->drm = nouveau_drm(&dev->object);
195   screen->device = dev;
196
197   /*
198    * this is initialized to 1 in nouveau_drm_screen_create after screen
199    * is fully constructed and added to the global screen list.
200    */
201   screen->refcount = -1;
202
203   if (dev->chipset < 0xc0) {
204      data = &nv04_data;
205      size = sizeof(nv04_data);
206   } else {
207      data = &nvc0_data;
208      size = sizeof(nvc0_data);
209   }
210
211   /*
212    * Set default VRAM domain if not overridden
213    */
214   if (!screen->vram_domain) {
215      if (dev->vram_size > 0)
216         screen->vram_domain = NOUVEAU_BO_VRAM;
217      else
218         screen->vram_domain = NOUVEAU_BO_GART;
219   }
220
221   ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
222                            data, size, &screen->channel);
223   if (ret)
224      return ret;
225
226   ret = nouveau_client_new(screen->device, &screen->client);
227   if (ret)
228      return ret;
229   ret = nouveau_pushbuf_new(screen->client, screen->channel,
230                             4, 512 * 1024, 1,
231                             &screen->pushbuf);
232   if (ret)
233      return ret;
234
235   /* getting CPU time first appears to be more accurate */
236   screen->cpu_gpu_time_delta = os_time_get();
237
238   ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
239   if (!ret)
240      screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
241
242   pscreen->get_name = nouveau_screen_get_name;
243   pscreen->get_vendor = nouveau_screen_get_vendor;
244   pscreen->get_device_vendor = nouveau_screen_get_device_vendor;
245   pscreen->get_disk_shader_cache = nouveau_screen_get_disk_shader_cache;
246
247   pscreen->get_timestamp = nouveau_screen_get_timestamp;
248
249   pscreen->fence_reference = nouveau_screen_fence_ref;
250   pscreen->fence_finish = nouveau_screen_fence_finish;
251
252   nouveau_disk_cache_create(screen);
253
254   screen->transfer_pushbuf_threshold = 192;
255   screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
256   screen->vidmem_bindings =
257      PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
258      PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT |
259      PIPE_BIND_CURSOR |
260      PIPE_BIND_SAMPLER_VIEW |
261      PIPE_BIND_SHADER_BUFFER | PIPE_BIND_SHADER_IMAGE |
262      PIPE_BIND_COMPUTE_RESOURCE |
263      PIPE_BIND_GLOBAL;
264   screen->sysmem_bindings =
265      PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT |
266      PIPE_BIND_COMMAND_ARGS_BUFFER;
267
268   memset(&mm_config, 0, sizeof(mm_config));
269
270   screen->mm_GART = nouveau_mm_create(dev,
271                                       NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
272                                       &mm_config);
273   screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
274   return 0;
275}
276
277void
278nouveau_screen_fini(struct nouveau_screen *screen)
279{
280   int fd = screen->drm->fd;
281
282   nouveau_mm_destroy(screen->mm_GART);
283   nouveau_mm_destroy(screen->mm_VRAM);
284
285   nouveau_pushbuf_del(&screen->pushbuf);
286
287   nouveau_client_del(&screen->client);
288   nouveau_object_del(&screen->channel);
289
290   nouveau_device_del(&screen->device);
291   nouveau_drm_del(&screen->drm);
292   close(fd);
293
294   disk_cache_destroy(screen->disk_shader_cache);
295}
296
297static void
298nouveau_set_debug_callback(struct pipe_context *pipe,
299                           const struct pipe_debug_callback *cb)
300{
301   struct nouveau_context *context = nouveau_context(pipe);
302
303   if (cb)
304      context->debug = *cb;
305   else
306      memset(&context->debug, 0, sizeof(context->debug));
307}
308
309void
310nouveau_context_init(struct nouveau_context *context)
311{
312   context->pipe.set_debug_callback = nouveau_set_debug_callback;
313}
314