+boolean nv50_blitctx_create(struct nv50_screen *);
+
+void nv50_screen_make_buffers_resident(struct nv50_screen *);
+
+int nv50_screen_tic_alloc(struct nv50_screen *, void *);
+int nv50_screen_tsc_alloc(struct nv50_screen *, void *);
+
+static INLINE void
+nv50_resource_fence(struct nv04_resource *res, uint32_t flags)
+{
+ struct nv50_screen *screen = nv50_screen(res->base.screen);
+
+ if (res->mm) {
+ nouveau_fence_ref(screen->base.fence.current, &res->fence);
+
+ if (flags & NOUVEAU_BO_WR)
+ nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
+ }
+}
+
+static INLINE void
+nv50_resource_validate(struct nv04_resource *res, uint32_t flags)
+{
+ struct nv50_screen *screen = nv50_screen(res->base.screen);
+
+ if (likely(res->bo)) {
+ nouveau_bo_validate(screen->base.channel, res->bo, flags);
+
+ if (flags & NOUVEAU_BO_WR)
+ res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
+ if (flags & NOUVEAU_BO_RD)
+ res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
+
+ nv50_resource_fence(res, flags);
+ }
+}
+
+struct nv50_format {
+ uint32_t rt;
+ uint32_t tic;
+ uint32_t vtx;
+ uint32_t usage;
+};
+
+extern const struct nv50_format nv50_format_table[];
+
+static INLINE void
+nv50_screen_tic_unlock(struct nv50_screen *screen, struct nv50_tic_entry *tic)
+{
+ if (tic->id >= 0)
+ screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
+}
+
+static INLINE void
+nv50_screen_tsc_unlock(struct nv50_screen *screen, struct nv50_tsc_entry *tsc)
+{
+ if (tsc->id >= 0)
+ screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
+}
+
+static INLINE void
+nv50_screen_tic_free(struct nv50_screen *screen, struct nv50_tic_entry *tic)
+{
+ if (tic->id >= 0) {
+ screen->tic.entries[tic->id] = NULL;
+ screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
+ }
+}
+
+static INLINE void
+nv50_screen_tsc_free(struct nv50_screen *screen, struct nv50_tsc_entry *tsc)
+{
+ if (tsc->id >= 0) {
+ screen->tsc.entries[tsc->id] = NULL;
+ screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
+ }
+}