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/format/u_format.h"
   8 #include "util/format/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 #include <compiler/glsl_types.h>
  27
  28 /* XXX this should go away */
  29 #include "state_tracker/drm_driver.h"
  30
  31 int nouveau_mesa_debug = 0;
  32
  33 static const char *
  34 nouveau_screen_get_name(struct pipe_screen *pscreen)
  35 {
  36    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  37    static char buffer[128];
  38
  39    snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
  40    return buffer;
  41 }
  42
  43 static const char *
  44 nouveau_screen_get_vendor(struct pipe_screen *pscreen)
  45 {
  46    return "nouveau";
  47 }
  48
  49 static const char *
  50 nouveau_screen_get_device_vendor(struct pipe_screen *pscreen)
  51 {
  52    return "NVIDIA";
  53 }
  54
  55 static uint64_t
  56 nouveau_screen_get_timestamp(struct pipe_screen *pscreen)
  57 {
  58    int64_t cpu_time = os_time_get() * 1000;
  59
  60    /* getparam of PTIMER_TIME takes about x10 as long (several usecs) */
  61
  62    return cpu_time + nouveau_screen(pscreen)->cpu_gpu_time_delta;
  63 }
  64
  65 static struct disk_cache *
  66 nouveau_screen_get_disk_shader_cache(struct pipe_screen *pscreen)
  67 {
  68    return nouveau_screen(pscreen)->disk_shader_cache;
  69 }
  70
  71 static void
  72 nouveau_screen_fence_ref(struct pipe_screen *pscreen,
  73                          struct pipe_fence_handle **ptr,
  74                          struct pipe_fence_handle *pfence)
  75 {
  76    nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
  77 }
  78
  79 static bool
  80 nouveau_screen_fence_finish(struct pipe_screen *screen,
  81                             struct pipe_context *ctx,
  82                             struct pipe_fence_handle *pfence,
  83                             uint64_t timeout)
  84 {
  85    if (!timeout)
  86       return nouveau_fence_signalled(nouveau_fence(pfence));
  87
  88    return nouveau_fence_wait(nouveau_fence(pfence), NULL);
  89 }
  90
  91
  92 struct nouveau_bo *
  93 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  94                               struct winsys_handle *whandle,
  95                               unsigned *out_stride)
  96 {
  97    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  98    struct nouveau_bo *bo = 0;
  99    int ret;
 100
 101    if (whandle->offset != 0) {
 102       debug_printf("%s: attempt to import unsupported winsys offset %d\n",
 103                    __FUNCTION__, whandle->offset);
 104       return NULL;
 105    }
 106
 107    if (whandle->type != WINSYS_HANDLE_TYPE_SHARED &&
 108        whandle->type != WINSYS_HANDLE_TYPE_FD) {
 109       debug_printf("%s: attempt to import unsupported handle type %d\n",
 110                    __FUNCTION__, whandle->type);
 111       return NULL;
 112    }
 113
 114    if (whandle->type == WINSYS_HANDLE_TYPE_SHARED)
 115       ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
 116    else
 117       ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
 118
 119    if (ret) {
 120       debug_printf("%s: ref name 0x%08x failed with %d\n",
 121                    __FUNCTION__, whandle->handle, ret);
 122       return NULL;
 123    }
 124
 125    *out_stride = whandle->stride;
 126    return bo;
 127 }
 128
 129
 130 bool
 131 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
 132                              struct nouveau_bo *bo,
 133                              unsigned stride,
 134                              struct winsys_handle *whandle)
 135 {
 136    whandle->stride = stride;
 137
 138    if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
 139       return nouveau_bo_name_get(bo, &whandle->handle) == 0;
 140    } else if (whandle->type == WINSYS_HANDLE_TYPE_KMS) {
 141       whandle->handle = bo->handle;
 142       return true;
 143    } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
 144       return nouveau_bo_set_prime(bo, (int *)&whandle->handle) == 0;
 145    } else {
 146       return false;
 147    }
 148 }
 149
 150 static void
 151 nouveau_disk_cache_create(struct nouveau_screen *screen)
 152 {
 153    struct mesa_sha1 ctx;
 154    unsigned char sha1[20];
 155    char cache_id[20 * 2 + 1];
 156    uint64_t driver_flags = 0;
 157
 158    _mesa_sha1_init(&ctx);
 159    if (!disk_cache_get_function_identifier(nouveau_disk_cache_create,
 160                                            &ctx))
 161       return;
 162
 163    _mesa_sha1_final(&ctx, sha1);
 164    disk_cache_format_hex_id(cache_id, sha1, 20 * 2);
 165
 166    if (screen->prefer_nir)
 167       driver_flags |= NOUVEAU_SHADER_CACHE_FLAGS_IR_NIR;
 168    else
 169       driver_flags |= NOUVEAU_SHADER_CACHE_FLAGS_IR_TGSI;
 170
 171    screen->disk_shader_cache =
 172       disk_cache_create(nouveau_screen_get_name(&screen->base),
 173                         cache_id, driver_flags);
 174 }
 175
 176 int
 177 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 178 {
 179    struct pipe_screen *pscreen = &screen->base;
 180    struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
 181    struct nvc0_fifo nvc0_data = { };
 182    uint64_t time;
 183    int size, ret;
 184    void *data;
 185    union nouveau_bo_config mm_config;
 186
 187    char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
 188    if (nv_dbg)
 189       nouveau_mesa_debug = atoi(nv_dbg);
 190
 191    screen->prefer_nir = debug_get_bool_option("NV50_PROG_USE_NIR", false);
 192    screen->force_enable_cl = debug_get_bool_option("NOUVEAU_ENABLE_CL", false);
 193    if (screen->force_enable_cl)
 194       glsl_type_singleton_init_or_ref();
 195
 196    /* These must be set before any failure is possible, as the cleanup
 197     * paths assume they're responsible for deleting them.
 198     */
 199    screen->drm = nouveau_drm(&dev->object);
 200    screen->device = dev;
 201
 202    /*
 203     * this is initialized to 1 in nouveau_drm_screen_create after screen
 204     * is fully constructed and added to the global screen list.
 205     */
 206    screen->refcount = -1;
 207
 208    if (dev->chipset < 0xc0) {
 209       data = &nv04_data;
 210       size = sizeof(nv04_data);
 211    } else {
 212       data = &nvc0_data;
 213       size = sizeof(nvc0_data);
 214    }
 215
 216    /*
 217     * Set default VRAM domain if not overridden
 218     */
 219    if (!screen->vram_domain) {
 220       if (dev->vram_size > 0)
 221          screen->vram_domain = NOUVEAU_BO_VRAM;
 222       else
 223          screen->vram_domain = NOUVEAU_BO_GART;
 224    }
 225
 226    ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
 227                             data, size, &screen->channel);
 228    if (ret)
 229       return ret;
 230
 231    ret = nouveau_client_new(screen->device, &screen->client);
 232    if (ret)
 233       return ret;
 234    ret = nouveau_pushbuf_new(screen->client, screen->channel,
 235                              4, 512 * 1024, 1,
 236                              &screen->pushbuf);
 237    if (ret)
 238       return ret;
 239
 240    /* getting CPU time first appears to be more accurate */
 241    screen->cpu_gpu_time_delta = os_time_get();
 242
 243    ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
 244    if (!ret)
 245       screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
 246
 247    pscreen->get_name = nouveau_screen_get_name;
 248    pscreen->get_vendor = nouveau_screen_get_vendor;
 249    pscreen->get_device_vendor = nouveau_screen_get_device_vendor;
 250    pscreen->get_disk_shader_cache = nouveau_screen_get_disk_shader_cache;
 251
 252    pscreen->get_timestamp = nouveau_screen_get_timestamp;
 253
 254    pscreen->fence_reference = nouveau_screen_fence_ref;
 255    pscreen->fence_finish = nouveau_screen_fence_finish;
 256
 257    nouveau_disk_cache_create(screen);
 258
 259    screen->transfer_pushbuf_threshold = 192;
 260    screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
 261    screen->vidmem_bindings =
 262       PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
 263       PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT |
 264       PIPE_BIND_CURSOR |
 265       PIPE_BIND_SAMPLER_VIEW |
 266       PIPE_BIND_SHADER_BUFFER | PIPE_BIND_SHADER_IMAGE |
 267       PIPE_BIND_COMPUTE_RESOURCE |
 268       PIPE_BIND_GLOBAL;
 269    screen->sysmem_bindings =
 270       PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT |
 271       PIPE_BIND_COMMAND_ARGS_BUFFER;
 272
 273    memset(&mm_config, 0, sizeof(mm_config));
 274
 275    screen->mm_GART = nouveau_mm_create(dev,
 276                                        NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 277                                        &mm_config);
 278    screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
 279    return 0;
 280 }
 281
 282 void
 283 nouveau_screen_fini(struct nouveau_screen *screen)
 284 {
 285    int fd = screen->drm->fd;
 286
 287    if (screen->force_enable_cl)
 288       glsl_type_singleton_decref();
 289
 290    nouveau_mm_destroy(screen->mm_GART);
 291    nouveau_mm_destroy(screen->mm_VRAM);
 292
 293    nouveau_pushbuf_del(&screen->pushbuf);
 294
 295    nouveau_client_del(&screen->client);
 296    nouveau_object_del(&screen->channel);
 297
 298    nouveau_device_del(&screen->device);
 299    nouveau_drm_del(&screen->drm);
 300    close(fd);
 301
 302    disk_cache_destroy(screen->disk_shader_cache);
 303 }
 304
 305 static void
 306 nouveau_set_debug_callback(struct pipe_context *pipe,
 307                            const struct pipe_debug_callback *cb)
 308 {
 309    struct nouveau_context *context = nouveau_context(pipe);
 310
 311    if (cb)
 312       context->debug = *cb;
 313    else
 314       memset(&context->debug, 0, sizeof(context->debug));
 315 }
 316
 317 void
 318 nouveau_context_init(struct nouveau_context *context)
 319 {
 320    context->pipe.set_debug_callback = nouveau_set_debug_callback;
 321 }