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    util_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
 155    _mesa_sha1_init(&ctx);
 156    if (!disk_cache_get_function_identifier(nouveau_disk_cache_create,
 157                                            &ctx))
 158       return;
 159
 160    _mesa_sha1_final(&ctx, sha1);
 161    disk_cache_format_hex_id(cache_id, sha1, 20 * 2);
 162
 163    screen->disk_shader_cache =
 164       disk_cache_create(nouveau_screen_get_name(&screen->base),
 165                         cache_id, 0);
 166 }
 167
 168 int
 169 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 170 {
 171    struct pipe_screen *pscreen = &screen->base;
 172    struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
 173    struct nvc0_fifo nvc0_data = { };
 174    uint64_t time;
 175    int size, ret;
 176    void *data;
 177    union nouveau_bo_config mm_config;
 178
 179    char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
 180    if (nv_dbg)
 181       nouveau_mesa_debug = atoi(nv_dbg);
 182
 183    screen->prefer_nir = debug_get_bool_option("NV50_PROG_USE_NIR", false);
 184
 185    /* These must be set before any failure is possible, as the cleanup
 186     * paths assume they're responsible for deleting them.
 187     */
 188    screen->drm = nouveau_drm(&dev->object);
 189    screen->device = dev;
 190
 191    /*
 192     * this is initialized to 1 in nouveau_drm_screen_create after screen
 193     * is fully constructed and added to the global screen list.
 194     */
 195    screen->refcount = -1;
 196
 197    if (dev->chipset < 0xc0) {
 198       data = &nv04_data;
 199       size = sizeof(nv04_data);
 200    } else {
 201       data = &nvc0_data;
 202       size = sizeof(nvc0_data);
 203    }
 204
 205    /*
 206     * Set default VRAM domain if not overridden
 207     */
 208    if (!screen->vram_domain) {
 209       if (dev->vram_size > 0)
 210          screen->vram_domain = NOUVEAU_BO_VRAM;
 211       else
 212          screen->vram_domain = NOUVEAU_BO_GART;
 213    }
 214
 215    ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
 216                             data, size, &screen->channel);
 217    if (ret)
 218       return ret;
 219
 220    ret = nouveau_client_new(screen->device, &screen->client);
 221    if (ret)
 222       return ret;
 223    ret = nouveau_pushbuf_new(screen->client, screen->channel,
 224                              4, 512 * 1024, 1,
 225                              &screen->pushbuf);
 226    if (ret)
 227       return ret;
 228
 229    /* getting CPU time first appears to be more accurate */
 230    screen->cpu_gpu_time_delta = os_time_get();
 231
 232    ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
 233    if (!ret)
 234       screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
 235
 236    pscreen->get_name = nouveau_screen_get_name;
 237    pscreen->get_vendor = nouveau_screen_get_vendor;
 238    pscreen->get_device_vendor = nouveau_screen_get_device_vendor;
 239    pscreen->get_disk_shader_cache = nouveau_screen_get_disk_shader_cache;
 240
 241    pscreen->get_timestamp = nouveau_screen_get_timestamp;
 242
 243    pscreen->fence_reference = nouveau_screen_fence_ref;
 244    pscreen->fence_finish = nouveau_screen_fence_finish;
 245
 246    nouveau_disk_cache_create(screen);
 247
 248    screen->transfer_pushbuf_threshold = 192;
 249    screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
 250    screen->vidmem_bindings =
 251       PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
 252       PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT |
 253       PIPE_BIND_CURSOR |
 254       PIPE_BIND_SAMPLER_VIEW |
 255       PIPE_BIND_SHADER_BUFFER | PIPE_BIND_SHADER_IMAGE |
 256       PIPE_BIND_COMPUTE_RESOURCE |
 257       PIPE_BIND_GLOBAL;
 258    screen->sysmem_bindings =
 259       PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT |
 260       PIPE_BIND_COMMAND_ARGS_BUFFER;
 261
 262    memset(&mm_config, 0, sizeof(mm_config));
 263
 264    screen->mm_GART = nouveau_mm_create(dev,
 265                                        NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 266                                        &mm_config);
 267    screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
 268    return 0;
 269 }
 270
 271 void
 272 nouveau_screen_fini(struct nouveau_screen *screen)
 273 {
 274    int fd = screen->drm->fd;
 275
 276    nouveau_mm_destroy(screen->mm_GART);
 277    nouveau_mm_destroy(screen->mm_VRAM);
 278
 279    nouveau_pushbuf_del(&screen->pushbuf);
 280
 281    nouveau_client_del(&screen->client);
 282    nouveau_object_del(&screen->channel);
 283
 284    nouveau_device_del(&screen->device);
 285    nouveau_drm_del(&screen->drm);
 286    close(fd);
 287
 288    disk_cache_destroy(screen->disk_shader_cache);
 289 }
 290
 291 static void
 292 nouveau_set_debug_callback(struct pipe_context *pipe,
 293                            const struct pipe_debug_callback *cb)
 294 {
 295    struct nouveau_context *context = nouveau_context(pipe);
 296
 297    if (cb)
 298       context->debug = *cb;
 299    else
 300       memset(&context->debug, 0, sizeof(context->debug));
 301 }
 302
 303 void
 304 nouveau_context_init(struct nouveau_context *context)
 305 {
 306    context->pipe.set_debug_callback = nouveau_set_debug_callback;
 307 }