1 files changed, 185 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_screen.h b/src/gallium/drivers/nvc0/nvc0_screen.h
new file mode 100644
index 00000000000..5c6482be96b
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_screen.h
@@ -0,0 +1,185 @@
+#ifndef __NVC0_SCREEN_H__
+#define __NVC0_SCREEN_H__
+
+#define NOUVEAU_NVC0
+#include "nouveau/nouveau_screen.h"
+#undef NOUVEAU_NVC0
+#include "nvc0_winsys.h"
+#include "nvc0_stateobj.h"
+
+#define NVC0_TIC_MAX_ENTRIES 2048
+#define NVC0_TSC_MAX_ENTRIES 2048
+
+struct nvc0_mman;
+struct nvc0_context;
+struct nvc0_fence;
+
+#define NVC0_SCRATCH_SIZE (2 << 20)
+#define NVC0_SCRATCH_NR_BUFFERS 2
+
+struct nvc0_screen {
+   struct nouveau_screen base;
+   struct nouveau_winsys *nvws;
+
+   struct nvc0_context *cur_ctx;
+
+   struct nouveau_bo *text;
+   struct nouveau_bo *uniforms;
+   struct nouveau_bo *tls;
+   struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
+   struct nouveau_bo *mp_stack_bo;
+
+   uint64_t tls_size;
+
+   struct nouveau_resource *text_heap;
+
+   struct {
+      struct nouveau_bo *bo[NVC0_SCRATCH_NR_BUFFERS];
+      uint8_t *buf;
+      int index;
+      uint32_t offset;
+   } scratch;
+
+   struct {
+      void **entries;
+      int next;
+      uint32_t lock[NVC0_TIC_MAX_ENTRIES / 32];
+   } tic;
+   
+   struct {
+      void **entries;
+      int next;
+      uint32_t lock[NVC0_TSC_MAX_ENTRIES / 32];
+   } tsc;
+
+   struct {
+      uint32_t *map;
+      struct nvc0_fence *head;
+      struct nvc0_fence *tail;
+      struct nvc0_fence *current;
+      uint32_t sequence;
+      uint32_t sequence_ack;
+      struct nouveau_bo *bo;
+   } fence;
+
+   struct nvc0_mman *mm_GART;
+   struct nvc0_mman *mm_VRAM;
+   struct nvc0_mman *mm_VRAM_fe0;
+
+   struct nouveau_grobj *fermi;
+   struct nouveau_grobj *eng2d;
+   struct nouveau_grobj *m2mf;
+};
+
+static INLINE struct nvc0_screen *
+nvc0_screen(struct pipe_screen *screen)
+{
+   return (struct nvc0_screen *)screen;
+}
+
+/* Since a resource can be migrated, we need to decouple allocations from
+ * them. This struct is linked with fences for delayed freeing of allocs.
+ */
+struct nvc0_mm_allocation {
+   struct nvc0_mm_allocation *next;
+   void *priv;
+   uint32_t offset;
+};
+
+extern struct nvc0_mman *
+nvc0_mm_create(struct nouveau_device *, uint32_t domain, uint32_t storage_type);
+
+extern void
+nvc0_mm_destroy(struct nvc0_mman *);
+
+extern struct nvc0_mm_allocation *
+nvc0_mm_allocate(struct nvc0_mman *,
+                 uint32_t size, struct nouveau_bo **, uint32_t *offset);
+extern void
+nvc0_mm_free(struct nvc0_mm_allocation *);
+
+void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
+
+int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
+int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
+
+static INLINE void
+nvc0_resource_fence(struct nvc0_resource *res, uint32_t flags)
+{
+   struct nvc0_screen *screen = nvc0_screen(res->base.screen);
+
+   if (res->mm) {
+      nvc0_fence_reference(&res->fence, screen->fence.current);
+
+      if (flags & NOUVEAU_BO_WR)
+         nvc0_fence_reference(&res->fence_wr, screen->fence.current);
+   }
+}
+
+static INLINE void
+nvc0_resource_validate(struct nvc0_resource *res, uint32_t flags)
+{
+   struct nvc0_screen *screen = nvc0_screen(res->base.screen);
+
+   nouveau_bo_validate(screen->base.channel, res->bo, flags);
+
+   nvc0_resource_fence(res, flags);
+}
+
+
+boolean
+nvc0_screen_fence_new(struct nvc0_screen *, struct nvc0_fence **, boolean emit);
+
+void
+nvc0_screen_fence_next(struct nvc0_screen *);
+
+static INLINE boolean
+nvc0_screen_fence_emit(struct nvc0_screen *screen)
+{
+   nvc0_fence_emit(screen->fence.current);
+
+   return nvc0_screen_fence_new(screen, &screen->fence.current, FALSE);
+}
+
+struct nvc0_format {
+   uint32_t rt;
+   uint32_t tic;
+   uint32_t vtx;
+   uint32_t usage;
+};
+
+extern const struct nvc0_format nvc0_format_table[];
+
+static INLINE void
+nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nvc0_tic_entry *tic)
+{
+   if (tic->id >= 0)
+      screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
+}
+
+static INLINE void
+nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nvc0_tsc_entry *tsc)
+{
+   if (tsc->id >= 0)
+      screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
+}
+
+static INLINE void
+nvc0_screen_tic_free(struct nvc0_screen *screen, struct nvc0_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
+nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nvc0_tsc_entry *tsc)
+{
+   if (tsc->id >= 0) {
+      screen->tsc.entries[tsc->id] = NULL;
+      screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
+   }
+}
+
+#endif