-static struct pipe_context *
-nouveau_drm_create_context(struct drm_api *api, struct pipe_screen *pscreen)
-{
- struct nouveau_winsys *nvws = nouveau_winsys_screen(pscreen);
- struct pipe_context *(*init)(struct pipe_screen *, unsigned);
- unsigned chipset = nouveau_screen(pscreen)->device->chipset;
- int i;
-
- switch (chipset & 0xf0) {
- case 0x00:
- init = nv04_create;
- break;
- case 0x10:
- init = nv10_create;
- break;
- case 0x20:
- init = nv20_create;
- break;
- case 0x30:
- init = nv30_create;
- break;
- case 0x40:
- case 0x60:
- init = nv40_create;
- break;
- case 0x80:
- case 0x90:
- case 0xa0:
- init = nv50_create;
- break;
- default:
- debug_printf("%s: unknown chipset nv%02x\n", __func__, chipset);
- return NULL;
- }
-
- /* Find a free slot for a pipe context, allocate a new one if needed */
- for (i = 0; i < nvws->nr_pctx; i++) {
- if (nvws->pctx[i] == NULL)
- break;
- }
-
- if (i == nvws->nr_pctx) {
- nvws->nr_pctx++;
- nvws->pctx = realloc(nvws->pctx,
- sizeof(*nvws->pctx) * nvws->nr_pctx);
- }
-
- nvws->pctx[i] = init(pscreen, i);
- return nvws->pctx[i];
-}
-
-static struct pipe_texture *
-nouveau_drm_pt_from_name(struct drm_api *api, struct pipe_screen *pscreen,
- struct pipe_texture *templ, const char *name,
- unsigned stride, unsigned handle)
-{
- struct nouveau_device *dev = nouveau_screen(pscreen)->device;
- struct pipe_texture *pt;
- struct pipe_buffer *pb;
- int ret;
-
- pb = CALLOC(1, sizeof(struct pipe_buffer) + sizeof(struct nouveau_bo*));
- if (!pb)
- return NULL;
-
- ret = nouveau_bo_handle_ref(dev, handle, (struct nouveau_bo**)(pb+1));
- if (ret) {
- debug_printf("%s: ref name 0x%08x failed with %d\n",
- __func__, handle, ret);
- FREE(pb);
- return NULL;
- }
-
- pipe_reference_init(&pb->reference, 1);
- pb->screen = pscreen;
- pb->alignment = 0;
- pb->usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE |
- PIPE_BUFFER_USAGE_CPU_READ_WRITE;
- pb->size = nouveau_bo(pb)->size;
- pt = pscreen->texture_blanket(pscreen, templ, &stride, pb);
- pipe_buffer_reference(&pb, NULL);
- return pt;
-}
-
-static boolean
-nouveau_drm_name_from_pt(struct drm_api *api, struct pipe_screen *pscreen,
- struct pipe_texture *pt, unsigned *stride,
- unsigned *handle)
-{
- struct nouveau_miptree *mt = nouveau_miptree(pt);
-
- if (!mt || !mt->bo)
- return false;
-
- return nouveau_bo_handle_get(mt->bo, handle) == 0;
-}
-
-static boolean
-nouveau_drm_handle_from_pt(struct drm_api *api, struct pipe_screen *pscreen,
- struct pipe_texture *pt, unsigned *stride,
- unsigned *handle)
-{
- struct nouveau_miptree *mt = nouveau_miptree(pt);
-
- if (!mt || !mt->bo)
- return false;
-
- *handle = mt->bo->handle;
- *stride = mt->base.nblocksx[0] * mt->base.block.size;
- return true;
-}
-