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 <stdio.h>
  12 #include <errno.h>
  13
  14 #include "nouveau/nouveau_bo.h"
  15 #include "nouveau_winsys.h"
  16 #include "nouveau_screen.h"
  17 #include "nouveau_fence.h"
  18
  19 /* XXX this should go away */
  20 #include "state_tracker/drm_driver.h"
  21 #include "util/u_simple_screen.h"
  22
  23 static const char *
  24 nouveau_screen_get_name(struct pipe_screen *pscreen)
  25 {
  26         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  27         static char buffer[128];
  28
  29         util_snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
  30         return buffer;
  31 }
  32
  33 static const char *
  34 nouveau_screen_get_vendor(struct pipe_screen *pscreen)
  35 {
  36         return "nouveau";
  37 }
  38
  39
  40
  41 struct nouveau_bo *
  42 nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
  43                       unsigned usage, unsigned bind, unsigned size)
  44 {
  45         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  46         struct nouveau_bo *bo = NULL;
  47         uint32_t flags = NOUVEAU_BO_MAP, tile_mode = 0, tile_flags = 0;
  48         int ret;
  49
  50         if (bind & PIPE_BIND_VERTEX_BUFFER)
  51                 flags |= nouveau_screen(pscreen)->vertex_buffer_flags;
  52         else if (bind & PIPE_BIND_INDEX_BUFFER)
  53                 flags |= nouveau_screen(pscreen)->index_buffer_flags;
  54
  55         if (bind & (PIPE_BIND_RENDER_TARGET |
  56                         PIPE_BIND_DEPTH_STENCIL |
  57                         PIPE_BIND_SCANOUT |
  58                         PIPE_BIND_DISPLAY_TARGET |
  59                         PIPE_BIND_SAMPLER_VIEW))
  60         {
  61                 /* TODO: this may be incorrect or suboptimal */
  62                 if (!(bind & PIPE_BIND_SCANOUT))
  63                         flags |= NOUVEAU_BO_GART;
  64                 if (usage != PIPE_USAGE_DYNAMIC)
  65                         flags |= NOUVEAU_BO_VRAM;
  66
  67                 if (dev->chipset == 0x50 || dev->chipset >= 0x80) {
  68                         if (bind & PIPE_BIND_DEPTH_STENCIL)
  69                                 tile_flags = 0x2800;
  70                         else
  71                                 tile_flags = 0x7000;
  72                 }
  73         }
  74
  75         ret = nouveau_bo_new_tile(dev, flags, alignment, size,
  76                                   tile_mode, tile_flags, &bo);
  77         if (ret)
  78                 return NULL;
  79
  80         return bo;
  81 }
  82
  83 struct nouveau_bo *
  84 nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
  85 {
  86         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
  87         struct nouveau_bo *bo = NULL;
  88         int ret;
  89
  90         ret = nouveau_bo_user(dev, ptr, bytes, &bo);
  91         if (ret)
  92                 return NULL;
  93
  94         return bo;
  95 }
  96
  97 void *
  98 nouveau_screen_bo_map(struct pipe_screen *pscreen,
  99                       struct nouveau_bo *bo,
 100                       unsigned map_flags)
 101 {
 102         int ret;
 103
 104         ret = nouveau_bo_map(bo, map_flags);
 105         if (ret) {
 106                 debug_printf("map failed: %d\n", ret);
 107                 return NULL;
 108         }
 109
 110         return bo->map;
 111 }
 112
 113 void *
 114 nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
 115                             unsigned offset, unsigned length, unsigned flags)
 116 {
 117         int ret;
 118
 119         ret = nouveau_bo_map_range(bo, offset, length, flags);
 120         if (ret) {
 121                 nouveau_bo_unmap(bo);
 122                 if (!(flags & NOUVEAU_BO_NOWAIT) || ret != -EBUSY)
 123                         debug_printf("map_range failed: %d\n", ret);
 124                 return NULL;
 125         }
 126
 127         return (char *)bo->map - offset; /* why gallium? why? */
 128 }
 129
 130 void
 131 nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
 132                                   unsigned offset, unsigned length)
 133 {
 134         nouveau_bo_map_flush(bo, offset, length);
 135 }
 136
 137 void
 138 nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo)
 139 {
 140         nouveau_bo_unmap(bo);
 141 }
 142
 143 void
 144 nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo)
 145 {
 146         nouveau_bo_ref(NULL, &bo);
 147 }
 148
 149 static void
 150 nouveau_screen_fence_ref(struct pipe_screen *pscreen,
 151                          struct pipe_fence_handle **ptr,
 152                          struct pipe_fence_handle *pfence)
 153 {
 154         nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
 155 }
 156
 157 static int
 158 nouveau_screen_fence_signalled(struct pipe_screen *screen,
 159                                struct pipe_fence_handle *pfence,
 160                                unsigned flags)
 161 {
 162         return !nouveau_fence_signalled(nouveau_fence(pfence));
 163 }
 164
 165 static int
 166 nouveau_screen_fence_finish(struct pipe_screen *screen,
 167                             struct pipe_fence_handle *pfence,
 168                             unsigned flags,
 169                             uint64_t timeout)
 170 {
 171         return !nouveau_fence_wait(nouveau_fence(pfence));
 172 }
 173
 174
 175 struct nouveau_bo *
 176 nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
 177                               struct winsys_handle *whandle,
 178                               unsigned *out_stride)
 179 {
 180         struct nouveau_device *dev = nouveau_screen(pscreen)->device;
 181         struct nouveau_bo *bo = 0;
 182         int ret;
 183
 184         ret = nouveau_bo_handle_ref(dev, whandle->handle, &bo);
 185         if (ret) {
 186                 debug_printf("%s: ref name 0x%08x failed with %d\n",
 187                              __FUNCTION__, whandle->handle, ret);
 188                 return NULL;
 189         }
 190
 191         *out_stride = whandle->stride;
 192         return bo;
 193 }
 194
 195
 196 boolean
 197 nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
 198                              struct nouveau_bo *bo,
 199                              unsigned stride,
 200                              struct winsys_handle *whandle)
 201 {
 202         whandle->stride = stride;
 203
 204         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 205                 return nouveau_bo_handle_get(bo, &whandle->handle) == 0;
 206         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 207                 whandle->handle = bo->handle;
 208                 return TRUE;
 209         } else {
 210                 return FALSE;
 211         }
 212 }
 213
 214 int
 215 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 216 {
 217         struct pipe_screen *pscreen = &screen->base;
 218         int ret;
 219
 220         ret = nouveau_channel_alloc(dev, 0xbeef0201, 0xbeef0202,
 221                                     512*1024, &screen->channel);
 222         if (ret)
 223                 return ret;
 224         screen->device = dev;
 225
 226         pscreen->get_name = nouveau_screen_get_name;
 227         pscreen->get_vendor = nouveau_screen_get_vendor;
 228
 229         pscreen->fence_reference = nouveau_screen_fence_ref;
 230         pscreen->fence_signalled = nouveau_screen_fence_signalled;
 231         pscreen->fence_finish = nouveau_screen_fence_finish;
 232
 233         util_format_s3tc_init();
 234
 235         screen->mm_GART = nouveau_mm_create(dev,
 236                                             NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
 237                                             0x000);
 238         screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, 0x000);
 239         return 0;
 240 }
 241
 242 void
 243 nouveau_screen_fini(struct nouveau_screen *screen)
 244 {
 245         struct pipe_winsys *ws = screen->base.winsys;
 246
 247         nouveau_mm_destroy(screen->mm_GART);
 248         nouveau_mm_destroy(screen->mm_VRAM);
 249
 250         nouveau_channel_free(&screen->channel);
 251
 252         if (ws)
 253                 ws->destroy(ws);
 254 }
 255