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#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;
};
static INLINE void
nvc0_fence_sched_release(struct nvc0_fence *nf, struct nvc0_mm_allocation *mm)
{
mm->next = nf->buffers;
nf->buffers = mm;
}
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);
if (likely(res->bo)) {
nouveau_bo_validate(screen->base.channel, res->bo, flags);
if (flags & NOUVEAU_BO_WR)
res->status |= NVC0_BUFFER_STATUS_GPU_WRITING;
if (flags & NOUVEAU_BO_RD)
res->status |= NVC0_BUFFER_STATUS_GPU_READING;
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 *);
void
nvc0_screen_fence_update(struct nvc0_screen *, boolean flushed);
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
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