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_fence.h"
  22 #include "nouveau_mm.h"
  23 #include "nouveau_buffer.h"
  24
  25 /* XXX this should go away */
  26 #include "state_tracker/drm_driver.h"
  27
  28 int nouveau_mesa_debug = 0;
  29
  30 static const char *
  31 nouveau_screen_get_name(struct pipe_screen *pscreen)
  32 {
  33         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  34         static char buffer[128];
  35
  36         util_snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
  37         return buffer;
  38 }
  39
  40 static const char *
  41 nouveau_screen_get_vendor(struct pipe_screen *pscreen)
  42 {
  43         return "nouveau";
  44 }
  45
  46 static const char *
  47 nouveau_screen_get_device_vendor(struct pipe_screen *pscreen)
  48 {
  49         return "NVIDIA";
  50 }
  51
  52 static uint64_t
  53 nouveau_screen_get_timestamp(struct pipe_screen *pscreen)
  54 {
  55         int64_t cpu_time = os_time_get() * 1000;
  56
  57         /* getparam of PTIMER_TIME takes about x10 as long (several usecs) */
  58
  59         return cpu_time + nouveau_screen(pscreen)->cpu_gpu_time_delta;
  60 }
  61
  62 static void
  63 nouveau_screen_fence_ref(struct pipe_screen *pscreen,
  64                          struct pipe_fence_handle **ptr,
  65                          struct pipe_fence_handle *pfence)
  66 {
  67         nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
  68 }
  69
  70 static boolean
  71 nouveau_screen_fence_finish(struct pipe_screen *screen,
  72                             struct pipe_fence_handle *pfence,
  73                             uint64_t timeout)
  74 {
  75         if (!timeout)
  76                 return nouveau_fence_signalled(nouveau_fence(pfence));
  77
  78         return nouveau_fence_wait(nouveau_fence(pfence));
  79 }
  80
  81
  82 struct nouveau_bo *
  83 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  84                               struct winsys_handle *whandle,
  85                               unsigned *out_stride)
  86 {
  87         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  88         struct nouveau_bo *bo = 0;
  89         int ret;
  90
  91         if (whandle->type != DRM_API_HANDLE_TYPE_SHARED &&
  92             whandle->type != DRM_API_HANDLE_TYPE_FD) {
  93                 debug_printf("%s: attempt to import unsupported handle type %d\n",
  94                              __FUNCTION__, whandle->type);
  95                 return NULL;
  96         }
  97
  98         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED)
  99                 ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
 100         else
 101                 ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
 102
 103         if (ret) {
 104                 debug_printf("%s: ref name 0x%08x failed with %d\n",
 105                              __FUNCTION__, whandle->handle, ret);
 106                 return NULL;
 107         }
 108
 109         *out_stride = whandle->stride;
 110         return bo;
 111 }
 112
 113
 114 boolean
 115 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
 116                              struct nouveau_bo *bo,
 117                              unsigned stride,
 118                              struct winsys_handle *whandle)
 119 {
 120         whandle->stride = stride;
 121
 122         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 123                 return nouveau_bo_name_get(bo, &whandle->handle) == 0;
 124         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 125                 whandle->handle = bo->handle;
 126                 return TRUE;
 127         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 128                 return nouveau_bo_set_prime(bo, (int *)&whandle->handle) == 0;
 129         } else {
 130                 return FALSE;
 131         }
 132 }
 133
 134 int
 135 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 136 {
 137         struct pipe_screen *pscreen = &screen->base;
 138         struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
 139         struct nvc0_fifo nvc0_data = { };
 140         uint64_t time;
 141         int size, ret;
 142         void *data;
 143         union nouveau_bo_config mm_config;
 144
 145         char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
 146         if (nv_dbg)
 147            nouveau_mesa_debug = atoi(nv_dbg);
 148
 149         /*
 150          * this is initialized to 1 in nouveau_drm_screen_create after screen
 151          * is fully constructed and added to the global screen list.
 152          */
 153         screen->refcount = -1;
 154
 155         if (dev->chipset < 0xc0) {
 156                 data = &nv04_data;
 157                 size = sizeof(nv04_data);
 158         } else {
 159                 data = &nvc0_data;
 160                 size = sizeof(nvc0_data);
 161         }
 162
 163         /*
 164          * Set default VRAM domain if not overridden
 165          */
 166         if (!screen->vram_domain) {
 167                 if (dev->vram_size > 0)
 168                         screen->vram_domain = NOUVEAU_BO_VRAM;
 169                 else
 170                         screen->vram_domain = NOUVEAU_BO_GART;
 171         }
 172
 173         ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
 174                                  data, size, &screen->channel);
 175         if (ret)
 176                 return ret;
 177         screen->device = dev;
 178
 179         ret = nouveau_client_new(screen->device, &screen->client);
 180         if (ret)
 181                 return ret;
 182         ret = nouveau_pushbuf_new(screen->client, screen->channel,
 183                                   4, 512 * 1024, 1,
 184                                   &screen->pushbuf);
 185         if (ret)
 186                 return ret;
 187
 188         /* getting CPU time first appears to be more accurate */
 189         screen->cpu_gpu_time_delta = os_time_get();
 190
 191         ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
 192         if (!ret)
 193            screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
 194
 195         pscreen->get_name = nouveau_screen_get_name;
 196         pscreen->get_vendor = nouveau_screen_get_vendor;
 197         pscreen->get_device_vendor = nouveau_screen_get_device_vendor;
 198
 199         pscreen->get_timestamp = nouveau_screen_get_timestamp;
 200
 201         pscreen->fence_reference = nouveau_screen_fence_ref;
 202         pscreen->fence_finish = nouveau_screen_fence_finish;
 203
 204         util_format_s3tc_init();
 205
 206         screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
 207         screen->vidmem_bindings =
 208                 PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
 209                 PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT |
 210                 PIPE_BIND_CURSOR |
 211                 PIPE_BIND_SAMPLER_VIEW |
 212                 PIPE_BIND_SHADER_RESOURCE | PIPE_BIND_COMPUTE_RESOURCE |
 213                 PIPE_BIND_GLOBAL;
 214         screen->sysmem_bindings =
 215                 PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT |
 216                 PIPE_BIND_COMMAND_ARGS_BUFFER;
 217
 218         memset(&mm_config, 0, sizeof(mm_config));
 219
 220         screen->mm_GART = nouveau_mm_create(dev,
 221                                             NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 222                                             &mm_config);
 223         screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
 224         return 0;
 225 }
 226
 227 void
 228 nouveau_screen_fini(struct nouveau_screen *screen)
 229 {
 230         nouveau_mm_destroy(screen->mm_GART);
 231         nouveau_mm_destroy(screen->mm_VRAM);
 232
 233         nouveau_pushbuf_del(&screen->pushbuf);
 234
 235         nouveau_client_del(&screen->client);
 236         nouveau_object_del(&screen->channel);
 237
 238         nouveau_device_del(&screen->device);
 239 }