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