#ifndef __NOUVEAU_CONTEXT_H__
#define __NOUVEAU_CONTEXT_H__
-unsigned int
-nouveau_is_texture_referenced(struct pipe_context *, struct pipe_texture *,
- unsigned face, unsigned level);
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include <nouveau.h>
-unsigned int
-nouveau_is_buffer_referenced(struct pipe_context *, struct pipe_buffer *);
+#define NOUVEAU_MAX_SCRATCH_BUFS 4
+
+struct nv04_resource;
+
+struct nouveau_context {
+ struct pipe_context pipe;
+ struct nouveau_screen *screen;
+
+ struct nouveau_client *client;
+ struct nouveau_pushbuf *pushbuf;
+ struct pipe_debug_callback debug;
+
+ bool vbo_dirty;
+
+ void (*copy_data)(struct nouveau_context *,
+ struct nouveau_bo *dst, unsigned, unsigned,
+ struct nouveau_bo *src, unsigned, unsigned, unsigned);
+ void (*push_data)(struct nouveau_context *,
+ struct nouveau_bo *dst, unsigned, unsigned,
+ unsigned, const void *);
+ /* base, size refer to the whole constant buffer */
+ void (*push_cb)(struct nouveau_context *,
+ struct nv04_resource *,
+ unsigned offset, unsigned words, const uint32_t *);
+
+ /* @return: @ref reduced by nr of references found in context */
+ int (*invalidate_resource_storage)(struct nouveau_context *,
+ struct pipe_resource *,
+ int ref);
+
+ struct {
+ uint8_t *map;
+ unsigned id;
+ unsigned wrap;
+ unsigned offset;
+ unsigned end;
+ struct nouveau_bo *bo[NOUVEAU_MAX_SCRATCH_BUFS];
+ struct nouveau_bo *current;
+ struct runout {
+ unsigned nr;
+ struct nouveau_bo *bo[0];
+ } *runout;
+ unsigned bo_size;
+ } scratch;
+
+ struct {
+ uint32_t buf_cache_count;
+ uint32_t buf_cache_frame;
+ } stats;
+};
+
+static inline struct nouveau_context *
+nouveau_context(struct pipe_context *pipe)
+{
+ return (struct nouveau_context *)pipe;
+}
+
+void
+nouveau_context_init_vdec(struct nouveau_context *);
+
+void
+nouveau_context_init(struct nouveau_context *);
+
+void
+nouveau_scratch_runout_release(struct nouveau_context *);
+
+/* This is needed because we don't hold references outside of context::scratch,
+ * because we don't want to un-bo_ref each allocation every time. This is less
+ * work, and we need the wrap index anyway for extreme situations.
+ */
+static inline void
+nouveau_scratch_done(struct nouveau_context *nv)
+{
+ nv->scratch.wrap = nv->scratch.id;
+ if (unlikely(nv->scratch.runout))
+ nouveau_scratch_runout_release(nv);
+}
+
+/* Get pointer to scratch buffer.
+ * The returned nouveau_bo is only referenced by the context, don't un-ref it !
+ */
+void *
+nouveau_scratch_get(struct nouveau_context *, unsigned size, uint64_t *gpu_addr,
+ struct nouveau_bo **);
+
+static inline void
+nouveau_context_destroy(struct nouveau_context *ctx)
+{
+ int i;
+
+ for (i = 0; i < NOUVEAU_MAX_SCRATCH_BUFS; ++i)
+ if (ctx->scratch.bo[i])
+ nouveau_bo_ref(NULL, &ctx->scratch.bo[i]);
+
+ FREE(ctx);
+}
+
+static inline void
+nouveau_context_update_frame_stats(struct nouveau_context *nv)
+{
+ nv->stats.buf_cache_frame <<= 1;
+ if (nv->stats.buf_cache_count) {
+ nv->stats.buf_cache_count = 0;
+ nv->stats.buf_cache_frame |= 1;
+ if ((nv->stats.buf_cache_frame & 0xf) == 0xf)
+ nv->screen->hint_buf_keep_sysmem_copy = true;
+ }
+}
#endif