diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_resource.h')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_resource.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_resource.h b/src/gallium/drivers/nvc0/nvc0_resource.h new file mode 100644 index 0000000000..d33e2f0ed0 --- /dev/null +++ b/src/gallium/drivers/nvc0/nvc0_resource.h @@ -0,0 +1,194 @@ + +#ifndef __NVC0_RESOURCE_H__ +#define __NVC0_RESOURCE_H__ + +#include "util/u_transfer.h" +#include "util/u_double_list.h" +#define NOUVEAU_NVC0 +#include "nouveau/nouveau_winsys.h" +#undef NOUVEAU_NVC0 + +#include "nvc0_fence.h" + +struct pipe_resource; +struct nouveau_bo; +struct nvc0_context; + +#define NVC0_BUFFER_SCORE_MIN -25000 +#define NVC0_BUFFER_SCORE_MAX 25000 +#define NVC0_BUFFER_SCORE_VRAM_THRESHOLD 20000 + +#define NVC0_BUFFER_STATUS_DIRTY (1 << 0) +#define NVC0_BUFFER_STATUS_USER_MEMORY (1 << 7) + +/* Resources, if mapped into the GPU's address space, are guaranteed to + * have constant virtual addresses. + * The address of a resource will lie within the nouveau_bo referenced, + * and this bo should be added to the memory manager's validation list. + */ +struct nvc0_resource { + struct pipe_resource base; + const struct u_resource_vtbl *vtbl; + + uint8_t *data; + struct nouveau_bo *bo; + uint32_t offset; + + uint8_t status; + uint8_t domain; + + int16_t score; /* low if mapped very often, if high can move to VRAM */ + + struct nvc0_fence *fence; + struct nvc0_fence *fence_wr; + + struct nvc0_mm_allocation *mm; +}; + +boolean +nvc0_buffer_download(struct nvc0_context *, struct nvc0_resource *, + unsigned start, unsigned size); + +boolean +nvc0_buffer_migrate(struct nvc0_context *, + struct nvc0_resource *, unsigned domain); + +static INLINE void +nvc0_buffer_adjust_score(struct nvc0_context *nvc0, struct nvc0_resource *res, + int16_t score) +{ + if (score < 0) { + if (res->score > NVC0_BUFFER_SCORE_MIN) + res->score += score; + } else + if (score > 0){ + if (res->score < NVC0_BUFFER_SCORE_MAX) + res->score += score; + if (res->domain == NOUVEAU_BO_GART && + res->score > NVC0_BUFFER_SCORE_VRAM_THRESHOLD) + nvc0_buffer_migrate(nvc0, res, NOUVEAU_BO_VRAM); + } +} + +/* XXX: wait for fence (atm only using this for vertex push) */ +static INLINE void * +nvc0_resource_map_offset(struct nvc0_context *nvc0, + struct nvc0_resource *res, uint32_t offset, + uint32_t flags) +{ + void *map; + + nvc0_buffer_adjust_score(nvc0, res, -250); + + if ((res->domain == NOUVEAU_BO_VRAM) && + (res->status & NVC0_BUFFER_STATUS_DIRTY)) + nvc0_buffer_download(nvc0, res, 0, res->base.width0); + + if (res->domain != NOUVEAU_BO_GART) + return res->data + offset; + + if (res->mm) + flags |= NOUVEAU_BO_NOSYNC; + + if (nouveau_bo_map_range(res->bo, res->offset + offset, + res->base.width0, flags)) + return NULL; + + map = res->bo->map; + nouveau_bo_unmap(res->bo); + return map; +} + +static INLINE void +nvc0_resource_unmap(struct nvc0_resource *res) +{ + /* no-op */ +} + +#define NVC0_TILE_DIM_SHIFT(m, d) (((m) >> (d * 4)) & 0xf) + +#define NVC0_TILE_PITCH(m) (64 << NVC0_TILE_DIM_SHIFT(m, 0)) +#define NVC0_TILE_HEIGHT(m) ( 8 << NVC0_TILE_DIM_SHIFT(m, 1)) +#define NVC0_TILE_DEPTH(m) ( 1 << NVC0_TILE_DIM_SHIFT(m, 2)) + +#define NVC0_TILE_SIZE_2D(m) (((64 * 8) << \ + NVC0_TILE_DIM_SHIFT(m, 0)) << \ + NVC0_TILE_DIM_SHIFT(m, 1)) + +#define NVC0_TILE_SIZE(m) (NVC0_TILE_SIZE_2D(m) << NVC0_TILE_DIM_SHIFT(m, 2)) + +struct nvc0_miptree_level { + uint32_t offset; + uint32_t pitch; + uint32_t tile_mode; +}; + +#define NVC0_MAX_TEXTURE_LEVELS 16 + +struct nvc0_miptree { + struct nvc0_resource base; + struct nvc0_miptree_level level[NVC0_MAX_TEXTURE_LEVELS]; + uint32_t total_size; + uint32_t layer_stride; + boolean layout_3d; /* TRUE if layer count varies with mip level */ +}; + +static INLINE struct nvc0_miptree * +nvc0_miptree(struct pipe_resource *pt) +{ + return (struct nvc0_miptree *)pt; +} + +static INLINE struct nvc0_resource * +nvc0_resource(struct pipe_resource *resource) +{ + return (struct nvc0_resource *)resource; +} + +/* is resource mapped into the GPU's address space (i.e. VRAM or GART) ? */ +static INLINE boolean +nvc0_resource_mapped_by_gpu(struct pipe_resource *resource) +{ + return nvc0_resource(resource)->domain != 0; +} + +void +nvc0_init_resource_functions(struct pipe_context *pcontext); + +void +nvc0_screen_init_resource_functions(struct pipe_screen *pscreen); + +/* Internal functions: + */ +struct pipe_resource * +nvc0_miptree_create(struct pipe_screen *pscreen, + const struct pipe_resource *tmp); + +struct pipe_resource * +nvc0_miptree_from_handle(struct pipe_screen *pscreen, + const struct pipe_resource *template, + struct winsys_handle *whandle); + +struct pipe_resource * +nvc0_buffer_create(struct pipe_screen *pscreen, + const struct pipe_resource *templ); + +struct pipe_resource * +nvc0_user_buffer_create(struct pipe_screen *screen, + void *ptr, + unsigned bytes, + unsigned usage); + + +struct pipe_surface * +nvc0_miptree_surface_new(struct pipe_context *, + struct pipe_resource *, + const struct pipe_surface *templ); + +void +nvc0_miptree_surface_del(struct pipe_context *, struct pipe_surface *); + +boolean +nvc0_migrate_vertices(struct nvc0_resource *buf, unsigned base, unsigned size); + +#endif |