#define VC4_BUFMGR_H
#include <stdint.h>
+#include "util/u_hash_table.h"
#include "util/u_inlines.h"
+#include "vc4_qir.h"
struct vc4_context;
uint32_t handle;
uint32_t size;
-#ifdef USE_VC4_SIMULATOR
- void *simulator_winsys_map;
- uint32_t simulator_winsys_stride;
-#endif
+ /* This will be read/written by multiple threads without a lock -- you
+ * should take a snapshot and use it to see if you happen to be in the
+ * CL's handles at this position, to make most lookups O(1). It's
+ * volatile to make sure that the compiler doesn't emit multiple loads
+ * from the address, which would make the lookup racy.
+ */
+ volatile uint32_t last_hindex;
+
+ /** Entry in the linked list of buffers freed, by age. */
+ struct list_head time_list;
+ /** Entry in the per-page-count linked list of buffers freed (by age). */
+ struct list_head size_list;
+ /** Approximate second when the bo was freed. */
+ time_t free_time;
+ /**
+ * Whether only our process has a reference to the BO (meaning that
+ * it's safe to reuse it in the BO cache).
+ */
+ bool private;
};
struct vc4_bo *vc4_bo_alloc(struct vc4_screen *screen, uint32_t size,
const char *name);
-struct vc4_bo *vc4_bo_alloc_mem(struct vc4_screen *screen, const void *data,
- uint32_t size, const char *name);
-void vc4_bo_free(struct vc4_bo *bo);
-struct vc4_bo *vc4_bo_open_name(struct vc4_screen *screen, uint32_t name,
- uint32_t winsys_stride);
+struct vc4_bo *vc4_bo_alloc_shader(struct vc4_screen *screen, const void *data,
+ uint32_t size);
+void vc4_bo_last_unreference(struct vc4_bo *bo);
+void vc4_bo_last_unreference_locked_timed(struct vc4_bo *bo, time_t time);
+struct vc4_bo *vc4_bo_open_name(struct vc4_screen *screen, uint32_t name);
+struct vc4_bo *vc4_bo_open_dmabuf(struct vc4_screen *screen, int fd);
bool vc4_bo_flink(struct vc4_bo *bo, uint32_t *name);
+int vc4_bo_get_dmabuf(struct vc4_bo *bo);
-static inline void
-vc4_bo_set_reference(struct vc4_bo **old_bo, struct vc4_bo *new_bo)
-{
- if (pipe_reference(&(*old_bo)->reference, &new_bo->reference))
- vc4_bo_free(*old_bo);
- *old_bo = new_bo;
-}
-
+void vc4_bo_debug_describe(char* buf, const struct vc4_bo *ptr);
static inline struct vc4_bo *
vc4_bo_reference(struct vc4_bo *bo)
{
- pipe_reference(NULL, &bo->reference);
+ pipe_reference_described(NULL, &bo->reference,
+ (debug_reference_descriptor)
+ vc4_bo_debug_describe);
return bo;
}
static inline void
vc4_bo_unreference(struct vc4_bo **bo)
{
- if (pipe_reference(&(*bo)->reference, NULL))
- vc4_bo_free(*bo);
+ struct vc4_screen *screen;
+ if (!*bo)
+ return;
+
+ if ((*bo)->private) {
+ /* Avoid the mutex for private BOs */
+ if (pipe_reference_described(&(*bo)->reference, NULL,
+ (debug_reference_descriptor)
+ vc4_bo_debug_describe)) {
+ vc4_bo_last_unreference(*bo);
+ }
+ } else {
+ screen = (*bo)->screen;
+ mtx_lock(&screen->bo_handles_mutex);
+
+ if (pipe_reference_described(&(*bo)->reference, NULL,
+ (debug_reference_descriptor)
+ vc4_bo_debug_describe)) {
+ _mesa_hash_table_remove_key(screen->bo_handles,
+ (void *)(uintptr_t)(*bo)->handle);
+ vc4_bo_last_unreference(*bo);
+ }
+
+ mtx_unlock(&screen->bo_handles_mutex);
+ }
+
*bo = NULL;
}
+static inline void
+vc4_bo_unreference_locked_timed(struct vc4_bo **bo, time_t time)
+{
+ if (!*bo)
+ return;
+
+ if (pipe_reference_described(&(*bo)->reference, NULL,
+ (debug_reference_descriptor)
+ vc4_bo_debug_describe)) {
+ vc4_bo_last_unreference_locked_timed(*bo, time);
+ }
+ *bo = NULL;
+}
void *
vc4_bo_map(struct vc4_bo *bo);
+void *
+vc4_bo_map_unsynchronized(struct vc4_bo *bo);
+
+bool
+vc4_bo_wait(struct vc4_bo *bo, uint64_t timeout_ns, const char *reason);
+
+bool
+vc4_wait_seqno(struct vc4_screen *screen, uint64_t seqno, uint64_t timeout_ns,
+ const char *reason);
+
+void
+vc4_bo_label(struct vc4_screen *screen, struct vc4_bo *bo, const char *fmt, ...);
+
+void
+vc4_bufmgr_destroy(struct pipe_screen *pscreen);
+
#endif /* VC4_BUFMGR_H */