src/gallium/drivers/nouveau/nouveau_screen.c

   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
  29 int nouveau_mesa_debug = 0;
  30
  31 static const char *
  32 nouveau_screen_get_name(struct pipe_screen *pscreen)
  33 {
  34    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  35    static char buffer[128];
  36
  37    snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
  38    return buffer;
  39 }
  40
  41 static const char *
  42 nouveau_screen_get_vendor(struct pipe_screen *pscreen)
  43 {
  44    return "nouveau";
  45 }
  46
  47 static const char *
  48 nouveau_screen_get_device_vendor(struct pipe_screen *pscreen)
  49 {
  50    return "NVIDIA";
  51 }
  52
  53 static uint64_t
  54 nouveau_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
  63 static struct disk_cache *
  64 nouveau_screen_get_disk_shader_cache(struct pipe_screen *pscreen)
  65 {
  66    return nouveau_screen(pscreen)->disk_shader_cache;
  67 }
  68
  69 static void
  70 nouveau_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
  77 static boolean
  78 nouveau_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
  90 struct nouveau_bo *
  91 nouveau_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
 128 bool
 129 nouveau_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
 148 static void
 149 nouveau_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
 174 int
 175 nouveau_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
 277 void
 278 nouveau_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
 297 static void
 298 nouveau_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
 309 void
 310 nouveau_context_init(struct nouveau_context *context)
 311 {
 312    context->pipe.set_debug_callback = nouveau_set_debug_callback;
 313 }