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         if (!timeout)
  83                 return nouveau_fence_signalled(nouveau_fence(pfence));
  84
  85         return nouveau_fence_wait(nouveau_fence(pfence));
  86 }
  87
  88
  89 struct nouveau_bo *
  90 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  91                               struct winsys_handle *whandle,
  92                               unsigned *out_stride)
  93 {
  94         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  95         struct nouveau_bo *bo = 0;
  96         int ret;
  97
  98         if (whandle->type != DRM_API_HANDLE_TYPE_SHARED &&
  99             whandle->type != DRM_API_HANDLE_TYPE_FD) {
 100                 debug_printf("%s: attempt to import unsupported handle type %d\n",
 101                              __FUNCTION__, whandle->type);
 102                 return NULL;
 103         }
 104
 105         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED)
 106                 ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
 107         else
 108                 ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
 109
 110         if (ret) {
 111                 debug_printf("%s: ref name 0x%08x failed with %d\n",
 112                              __FUNCTION__, whandle->handle, ret);
 113                 return NULL;
 114         }
 115
 116         *out_stride = whandle->stride;
 117         return bo;
 118 }
 119
 120
 121 boolean
 122 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
 123                              struct nouveau_bo *bo,
 124                              unsigned stride,
 125                              struct winsys_handle *whandle)
 126 {
 127         whandle->stride = stride;
 128
 129         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 130                 return nouveau_bo_name_get(bo, &whandle->handle) == 0;
 131         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 132                 whandle->handle = bo->handle;
 133                 return TRUE;
 134         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 135                 return nouveau_bo_set_prime(bo, (int *)&whandle->handle) == 0;
 136         } else {
 137                 return FALSE;
 138         }
 139 }
 140
 141 int
 142 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 143 {
 144         struct pipe_screen *pscreen = &screen->base;
 145         struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
 146         struct nvc0_fifo nvc0_data = { };
 147         uint64_t time;
 148         int size, ret;
 149         void *data;
 150         union nouveau_bo_config mm_config;
 151
 152         char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
 153         if (nv_dbg)
 154            nouveau_mesa_debug = atoi(nv_dbg);
 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         screen->device = dev;
 185
 186         ret = nouveau_client_new(screen->device, &screen->client);
 187         if (ret)
 188                 return ret;
 189         ret = nouveau_pushbuf_new(screen->client, screen->channel,
 190                                   4, 512 * 1024, 1,
 191                                   &screen->pushbuf);
 192         if (ret)
 193                 return ret;
 194
 195         /* getting CPU time first appears to be more accurate */
 196         screen->cpu_gpu_time_delta = os_time_get();
 197
 198         ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
 199         if (!ret)
 200            screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
 201
 202         pscreen->get_name = nouveau_screen_get_name;
 203         pscreen->get_vendor = nouveau_screen_get_vendor;
 204         pscreen->get_device_vendor = nouveau_screen_get_device_vendor;
 205
 206         pscreen->get_timestamp = nouveau_screen_get_timestamp;
 207
 208         pscreen->fence_reference = nouveau_screen_fence_ref;
 209         pscreen->fence_signalled = nouveau_screen_fence_signalled;
 210         pscreen->fence_finish = nouveau_screen_fence_finish;
 211
 212         util_format_s3tc_init();
 213
 214         screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
 215         screen->vidmem_bindings =
 216                 PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
 217                 PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT |
 218                 PIPE_BIND_CURSOR |
 219                 PIPE_BIND_SAMPLER_VIEW |
 220                 PIPE_BIND_SHADER_RESOURCE | PIPE_BIND_COMPUTE_RESOURCE |
 221                 PIPE_BIND_GLOBAL;
 222         screen->sysmem_bindings =
 223                 PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT |
 224                 PIPE_BIND_COMMAND_ARGS_BUFFER;
 225
 226         memset(&mm_config, 0, sizeof(mm_config));
 227
 228         screen->mm_GART = nouveau_mm_create(dev,
 229                                             NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 230                                             &mm_config);
 231         screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
 232         return 0;
 233 }
 234
 235 void
 236 nouveau_screen_fini(struct nouveau_screen *screen)
 237 {
 238         nouveau_mm_destroy(screen->mm_GART);
 239         nouveau_mm_destroy(screen->mm_VRAM);
 240
 241         nouveau_pushbuf_del(&screen->pushbuf);
 242
 243         nouveau_client_del(&screen->client);
 244         nouveau_object_del(&screen->channel);
 245
 246         nouveau_device_del(&screen->device);
 247 }