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