diff options
Diffstat (limited to 'src/gallium/drivers/nouveau/nouveau_stateobj.h')
-rw-r--r-- | src/gallium/drivers/nouveau/nouveau_stateobj.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nouveau_stateobj.h b/src/gallium/drivers/nouveau/nouveau_stateobj.h new file mode 100644 index 0000000000..d501b76b51 --- /dev/null +++ b/src/gallium/drivers/nouveau/nouveau_stateobj.h @@ -0,0 +1,138 @@ +#ifndef __NOUVEAU_STATEOBJ_H__ +#define __NOUVEAU_STATEOBJ_H__ + +#include "pipe/p_util.h" + +struct nouveau_stateobj_reloc { + struct pipe_buffer *bo; + + unsigned offset; + unsigned packet; + + unsigned data; + unsigned flags; + unsigned vor; + unsigned tor; +}; + +struct nouveau_stateobj { + int refcount; + + unsigned *push; + struct nouveau_stateobj_reloc *reloc; + + unsigned *cur; + unsigned cur_packet; + unsigned cur_reloc; +}; + +static INLINE struct nouveau_stateobj * +so_new(unsigned push, unsigned reloc) +{ + struct nouveau_stateobj *so; + + so = MALLOC(sizeof(struct nouveau_stateobj)); + so->refcount = 0; + so->push = MALLOC(sizeof(unsigned) * push); + so->reloc = MALLOC(sizeof(struct nouveau_stateobj_reloc) * reloc); + + so->cur = so->push; + so->cur_reloc = so->cur_packet = 0; + + return so; +} + +static INLINE void +so_ref(struct nouveau_stateobj *ref, struct nouveau_stateobj **pso) +{ + struct nouveau_stateobj *so = *pso; + + if (ref) { + ref->refcount++; + } + + if (so && --so->refcount <= 0) { + free(so->push); + free(so->reloc); + free(so); + } + + *pso = ref; +} + +static INLINE void +so_data(struct nouveau_stateobj *so, unsigned data) +{ + (*so->cur++) = (data); + so->cur_packet += 4; +} + +static INLINE void +so_method(struct nouveau_stateobj *so, struct nouveau_grobj *gr, + unsigned mthd, unsigned size) +{ + so->cur_packet = (gr->subc << 13) | (1 << 18) | (mthd - 4); + so_data(so, (gr->subc << 13) | (size << 18) | mthd); +} + +static INLINE void +so_reloc(struct nouveau_stateobj *so, struct pipe_buffer *bo, + unsigned data, unsigned flags, unsigned vor, unsigned tor) +{ + struct nouveau_stateobj_reloc *r = &so->reloc[so->cur_reloc++]; + + r->bo = bo; + r->offset = so->cur - so->push; + r->packet = so->cur_packet; + r->data = data; + r->flags = flags; + r->vor = vor; + r->tor = tor; + so_data(so, data); +} + +static INLINE void +so_emit(struct nouveau_winsys *nvws, struct nouveau_stateobj *so) +{ + struct nouveau_pushbuf *pb = nvws->channel->pushbuf; + unsigned nr, i; + + nr = so->cur - so->push; + if (pb->remaining < nr) + nvws->push_flush(nvws, nr, NULL); + pb->remaining -= nr; + + memcpy(pb->cur, so->push, nr * 4); + for (i = 0; i < so->cur_reloc; i++) { + struct nouveau_stateobj_reloc *r = &so->reloc[i]; + + nvws->push_reloc(nvws, pb->cur + r->offset, r->bo, + r->data, r->flags, r->vor, r->tor); + } + pb->cur += nr; +} + +static INLINE void +so_emit_reloc_markers(struct nouveau_winsys *nvws, struct nouveau_stateobj *so) +{ + struct nouveau_pushbuf *pb = nvws->channel->pushbuf; + unsigned i; + + i = so->cur_reloc << 1; + if (nvws->channel->pushbuf->remaining < i) + nvws->push_flush(nvws, i, NULL); + nvws->channel->pushbuf->remaining -= i; + + for (i = 0; i < so->cur_reloc; i++) { + struct nouveau_stateobj_reloc *r = &so->reloc[i]; + + nvws->push_reloc(nvws, pb->cur++, r->bo, r->packet, + (r->flags & + (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) | + NOUVEAU_BO_DUMMY, 0, 0); + nvws->push_reloc(nvws, pb->cur++, r->bo, r->data, + r->flags | NOUVEAU_BO_DUMMY, r->vor, r->tor); + } +} + +#endif |