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 <libdrm/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 uint64_t
  47 nouveau_screen_get_timestamp(struct pipe_screen *pscreen)
  48 {
  49         int64_t cpu_time = os_time_get() * 1000;
  50
  51         /* getparam of PTIMER_TIME takes about x10 as long (several usecs) */
  52
  53         return cpu_time + nouveau_screen(pscreen)->cpu_gpu_time_delta;
  54 }
  55
  56 static void
  57 nouveau_screen_fence_ref(struct pipe_screen *pscreen,
  58                          struct pipe_fence_handle **ptr,
  59                          struct pipe_fence_handle *pfence)
  60 {
  61         nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
  62 }
  63
  64 static boolean
  65 nouveau_screen_fence_signalled(struct pipe_screen *screen,
  66                                struct pipe_fence_handle *pfence)
  67 {
  68         return nouveau_fence_signalled(nouveau_fence(pfence));
  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         return nouveau_fence_wait(nouveau_fence(pfence));
  77 }
  78
  79
  80 struct nouveau_bo *
  81 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
  82                               struct winsys_handle *whandle,
  83                               unsigned *out_stride)
  84 {
  85         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  86         struct nouveau_bo *bo = 0;
  87         int ret;
  88
  89         if (whandle->type != DRM_API_HANDLE_TYPE_SHARED &&
  90             whandle->type != DRM_API_HANDLE_TYPE_FD) {
  91                 debug_printf("%s: attempt to import unsupported handle type %d\n",
  92                              __FUNCTION__, whandle->type);
  93                 return NULL;
  94         }
  95
  96         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED)
  97                 ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
  98         else
  99                 ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
 100
 101         if (ret) {
 102                 debug_printf("%s: ref name 0x%08x failed with %d\n",
 103                              __FUNCTION__, whandle->handle, ret);
 104                 return NULL;
 105         }
 106
 107         *out_stride = whandle->stride;
 108         return bo;
 109 }
 110
 111
 112 boolean
 113 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
 114                              struct nouveau_bo *bo,
 115                              unsigned stride,
 116                              struct winsys_handle *whandle)
 117 {
 118         whandle->stride = stride;
 119
 120         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 121                 return nouveau_bo_name_get(bo, &whandle->handle) == 0;
 122         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 123                 whandle->handle = bo->handle;
 124                 return TRUE;
 125         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 126                 return nouveau_bo_set_prime(bo, (int *)&whandle->handle) == 0;
 127         } else {
 128                 return FALSE;
 129         }
 130 }
 131
 132 int
 133 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 134 {
 135         struct pipe_screen *pscreen = &screen->base;
 136         struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
 137         struct nvc0_fifo nvc0_data = { };
 138         uint64_t time;
 139         int size, ret;
 140         void *data;
 141         union nouveau_bo_config mm_config;
 142
 143         char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
 144         if (nv_dbg)
 145            nouveau_mesa_debug = atoi(nv_dbg);
 146
 147         /*
 148          * this is initialized to 1 in nouveau_drm_screen_create after screen
 149          * is fully constructed and added to the global screen list.
 150          */
 151         screen->refcount = -1;
 152
 153         if (dev->chipset < 0xc0) {
 154                 data = &nv04_data;
 155                 size = sizeof(nv04_data);
 156         } else {
 157                 data = &nvc0_data;
 158                 size = sizeof(nvc0_data);
 159         }
 160
 161         ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
 162                                  data, size, &screen->channel);
 163         if (ret)
 164                 return ret;
 165         screen->device = dev;
 166
 167         ret = nouveau_client_new(screen->device, &screen->client);
 168         if (ret)
 169                 return ret;
 170         ret = nouveau_pushbuf_new(screen->client, screen->channel,
 171                                   4, 512 * 1024, 1,
 172                                   &screen->pushbuf);
 173         if (ret)
 174                 return ret;
 175
 176         /* getting CPU time first appears to be more accurate */
 177         screen->cpu_gpu_time_delta = os_time_get();
 178
 179         ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
 180         if (!ret)
 181            screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
 182
 183         pscreen->get_name = nouveau_screen_get_name;
 184         pscreen->get_vendor = nouveau_screen_get_vendor;
 185
 186         pscreen->get_timestamp = nouveau_screen_get_timestamp;
 187
 188         pscreen->fence_reference = nouveau_screen_fence_ref;
 189         pscreen->fence_signalled = nouveau_screen_fence_signalled;
 190         pscreen->fence_finish = nouveau_screen_fence_finish;
 191
 192         util_format_s3tc_init();
 193
 194         screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
 195         screen->vidmem_bindings =
 196                 PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
 197                 PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_CURSOR |
 198                 PIPE_BIND_SAMPLER_VIEW |
 199                 PIPE_BIND_SHADER_RESOURCE | PIPE_BIND_COMPUTE_RESOURCE |
 200                 PIPE_BIND_GLOBAL;
 201         screen->sysmem_bindings =
 202                 PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT;
 203
 204         memset(&mm_config, 0, sizeof(mm_config));
 205
 206         screen->mm_GART = nouveau_mm_create(dev,
 207                                             NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 208                                             &mm_config);
 209         screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
 210         return 0;
 211 }
 212
 213 void
 214 nouveau_screen_fini(struct nouveau_screen *screen)
 215 {
 216         nouveau_mm_destroy(screen->mm_GART);
 217         nouveau_mm_destroy(screen->mm_VRAM);
 218
 219         nouveau_pushbuf_del(&screen->pushbuf);
 220
 221         nouveau_client_del(&screen->client);
 222         nouveau_object_del(&screen->channel);
 223
 224         nouveau_device_del(&screen->device);
 225 }