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 "os/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 void
  64 nouveau_screen_fence_ref(struct pipe_screen *pscreen,
  65                          struct pipe_fence_handle **ptr,
  66                          struct pipe_fence_handle *pfence)
  67 {
  68    nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
  69 }
  70
  71 static boolean
  72 nouveau_screen_fence_finish(struct pipe_screen *screen,
  73                             struct pipe_fence_handle *pfence,
  74                             uint64_t timeout)
  75 {
  76    if (!timeout)
  77       return nouveau_fence_signalled(nouveau_fence(pfence));
  78
  79    return nouveau_fence_wait(nouveau_fence(pfence), NULL);
  80 }
  81
  82
  83 struct nouveau_bo *
  84 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  85                               struct winsys_handle *whandle,
  86                               unsigned *out_stride)
  87 {
  88    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  89    struct nouveau_bo *bo = 0;
  90    int ret;
  91
  92    if (whandle->type != DRM_API_HANDLE_TYPE_SHARED &&
  93        whandle->type != DRM_API_HANDLE_TYPE_FD) {
  94       debug_printf("%s: attempt to import unsupported handle type %d\n",
  95                    __FUNCTION__, whandle->type);
  96       return NULL;
  97    }
  98
  99    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED)
 100       ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
 101    else
 102       ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
 103
 104    if (ret) {
 105       debug_printf("%s: ref name 0x%08x failed with %d\n",
 106                    __FUNCTION__, whandle->handle, ret);
 107       return NULL;
 108    }
 109
 110    *out_stride = whandle->stride;
 111    return bo;
 112 }
 113
 114
 115 bool
 116 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
 117                              struct nouveau_bo *bo,
 118                              unsigned stride,
 119                              struct winsys_handle *whandle)
 120 {
 121    whandle->stride = stride;
 122
 123    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 124       return nouveau_bo_name_get(bo, &whandle->handle) == 0;
 125    } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 126       whandle->handle = bo->handle;
 127       return true;
 128    } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 129       return nouveau_bo_set_prime(bo, (int *)&whandle->handle) == 0;
 130    } else {
 131       return false;
 132    }
 133 }
 134
 135 int
 136 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 137 {
 138    struct pipe_screen *pscreen = &screen->base;
 139    struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
 140    struct nvc0_fifo nvc0_data = { };
 141    uint64_t time;
 142    int size, ret;
 143    void *data;
 144    union nouveau_bo_config mm_config;
 145
 146    char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
 147    if (nv_dbg)
 148       nouveau_mesa_debug = atoi(nv_dbg);
 149
 150    /* These must be set before any failure is possible, as the cleanup
 151     * paths assume they're responsible for deleting them.
 152     */
 153    screen->drm = nouveau_drm(&dev->object);
 154    screen->device = dev;
 155
 156    /*
 157     * this is initialized to 1 in nouveau_drm_screen_create after screen
 158     * is fully constructed and added to the global screen list.
 159     */
 160    screen->refcount = -1;
 161
 162    if (dev->chipset < 0xc0) {
 163       data = &nv04_data;
 164       size = sizeof(nv04_data);
 165    } else {
 166       data = &nvc0_data;
 167       size = sizeof(nvc0_data);
 168    }
 169
 170    /*
 171     * Set default VRAM domain if not overridden
 172     */
 173    if (!screen->vram_domain) {
 174       if (dev->vram_size > 0)
 175          screen->vram_domain = NOUVEAU_BO_VRAM;
 176       else
 177          screen->vram_domain = NOUVEAU_BO_GART;
 178    }
 179
 180    ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
 181                             data, size, &screen->channel);
 182    if (ret)
 183       return ret;
 184
 185    ret = nouveau_client_new(screen->device, &screen->client);
 186    if (ret)
 187       return ret;
 188    ret = nouveau_pushbuf_new(screen->client, screen->channel,
 189                              4, 512 * 1024, 1,
 190                              &screen->pushbuf);
 191    if (ret)
 192       return ret;
 193
 194    /* getting CPU time first appears to be more accurate */
 195    screen->cpu_gpu_time_delta = os_time_get();
 196
 197    ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
 198    if (!ret)
 199       screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
 200
 201    pscreen->get_name = nouveau_screen_get_name;
 202    pscreen->get_vendor = nouveau_screen_get_vendor;
 203    pscreen->get_device_vendor = nouveau_screen_get_device_vendor;
 204
 205    pscreen->get_timestamp = nouveau_screen_get_timestamp;
 206
 207    pscreen->fence_reference = nouveau_screen_fence_ref;
 208    pscreen->fence_finish = nouveau_screen_fence_finish;
 209
 210    util_format_s3tc_init();
 211
 212    screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
 213    screen->vidmem_bindings =
 214       PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
 215       PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT |
 216       PIPE_BIND_CURSOR |
 217       PIPE_BIND_SAMPLER_VIEW |
 218       PIPE_BIND_SHADER_BUFFER | PIPE_BIND_SHADER_IMAGE |
 219       PIPE_BIND_COMPUTE_RESOURCE |
 220       PIPE_BIND_GLOBAL;
 221    screen->sysmem_bindings =
 222       PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT |
 223       PIPE_BIND_COMMAND_ARGS_BUFFER;
 224
 225    memset(&mm_config, 0, sizeof(mm_config));
 226
 227    screen->mm_GART = nouveau_mm_create(dev,
 228                                        NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 229                                        &mm_config);
 230    screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
 231    return 0;
 232 }
 233
 234 void
 235 nouveau_screen_fini(struct nouveau_screen *screen)
 236 {
 237    int fd = screen->drm->fd;
 238
 239    nouveau_mm_destroy(screen->mm_GART);
 240    nouveau_mm_destroy(screen->mm_VRAM);
 241
 242    nouveau_pushbuf_del(&screen->pushbuf);
 243
 244    nouveau_client_del(&screen->client);
 245    nouveau_object_del(&screen->channel);
 246
 247    nouveau_device_del(&screen->device);
 248    nouveau_drm_del(&screen->drm);
 249    close(fd);
 250 }
 251
 252 static void
 253 nouveau_set_debug_callback(struct pipe_context *pipe,
 254                            const struct pipe_debug_callback *cb)
 255 {
 256    struct nouveau_context *context = nouveau_context(pipe);
 257
 258    if (cb)
 259       context->debug = *cb;
 260    else
 261       memset(&context->debug, 0, sizeof(context->debug));
 262 }
 263
 264 void
 265 nouveau_context_init(struct nouveau_context *context)
 266 {
 267    context->pipe.set_debug_callback = nouveau_set_debug_callback;
 268 }