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      1 #ifndef __NVC0_SCREEN_H__
      2 #define __NVC0_SCREEN_H__
      3 
      4 #include "nouveau/nouveau_screen.h"
      5 #include "nouveau/nouveau_mm.h"
      6 #include "nouveau/nouveau_fence.h"
      7 #include "nouveau/nouveau_heap.h"
      8 
      9 #include "nouveau/nv_object.xml.h"
     10 
     11 #include "nvc0_winsys.h"
     12 #include "nvc0_stateobj.h"
     13 
     14 #define NVC0_TIC_MAX_ENTRIES 2048
     15 #define NVC0_TSC_MAX_ENTRIES 2048
     16 
     17 /* doesn't count reserved slots (for auxiliary constants, immediates, etc.) */
     18 #define NVC0_MAX_PIPE_CONSTBUFS 14
     19 
     20 struct nvc0_context;
     21 
     22 struct nvc0_blitctx;
     23 
     24 struct nvc0_screen {
     25    struct nouveau_screen base;
     26 
     27    struct nvc0_context *cur_ctx;
     28 
     29    int num_occlusion_queries_active;
     30 
     31    struct nouveau_bo *text;
     32    struct nouveau_bo *uniform_bo;
     33    struct nouveau_bo *tls;
     34    struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
     35    struct nouveau_bo *poly_cache;
     36 
     37    uint64_t tls_size;
     38 
     39    struct nouveau_heap *text_heap;
     40    struct nouveau_heap *lib_code; /* allocated from text_heap */
     41 
     42    struct nvc0_blitctx *blitctx;
     43 
     44    struct {
     45       void **entries;
     46       int next;
     47       uint32_t lock[NVC0_TIC_MAX_ENTRIES / 32];
     48    } tic;
     49 
     50    struct {
     51       void **entries;
     52       int next;
     53       uint32_t lock[NVC0_TSC_MAX_ENTRIES / 32];
     54    } tsc;
     55 
     56    struct {
     57       struct nouveau_bo *bo;
     58       uint32_t *map;
     59    } fence;
     60 
     61    struct nouveau_mman *mm_VRAM_fe0;
     62 
     63    struct nouveau_object *eng3d; /* sqrt(1/2)|kepler> + sqrt(1/2)|fermi> */
     64    struct nouveau_object *eng2d;
     65    struct nouveau_object *m2mf;
     66    struct nouveau_object *dijkstra;
     67 };
     68 
     69 static INLINE struct nvc0_screen *
     70 nvc0_screen(struct pipe_screen *screen)
     71 {
     72    return (struct nvc0_screen *)screen;
     73 }
     74 
     75 boolean nvc0_blitctx_create(struct nvc0_screen *);
     76 
     77 void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
     78 
     79 int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
     80 int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
     81 
     82 static INLINE void
     83 nvc0_resource_fence(struct nv04_resource *res, uint32_t flags)
     84 {
     85    struct nvc0_screen *screen = nvc0_screen(res->base.screen);
     86 
     87    if (res->mm) {
     88       nouveau_fence_ref(screen->base.fence.current, &res->fence);
     89       if (flags & NOUVEAU_BO_WR)
     90          nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
     91    }
     92 }
     93 
     94 static INLINE void
     95 nvc0_resource_validate(struct nv04_resource *res, uint32_t flags)
     96 {
     97    if (likely(res->bo)) {
     98       if (flags & NOUVEAU_BO_WR)
     99          res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
    100       if (flags & NOUVEAU_BO_RD)
    101          res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
    102 
    103       nvc0_resource_fence(res, flags);
    104    }
    105 }
    106 
    107 struct nvc0_format {
    108    uint32_t rt;
    109    uint32_t tic;
    110    uint32_t vtx;
    111    uint32_t usage;
    112 };
    113 
    114 extern const struct nvc0_format nvc0_format_table[];
    115 
    116 static INLINE void
    117 nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
    118 {
    119    if (tic->id >= 0)
    120       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
    121 }
    122 
    123 static INLINE void
    124 nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
    125 {
    126    if (tsc->id >= 0)
    127       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
    128 }
    129 
    130 static INLINE void
    131 nvc0_screen_tic_free(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
    132 {
    133    if (tic->id >= 0) {
    134       screen->tic.entries[tic->id] = NULL;
    135       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
    136    }
    137 }
    138 
    139 static INLINE void
    140 nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
    141 {
    142    if (tsc->id >= 0) {
    143       screen->tsc.entries[tsc->id] = NULL;
    144       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
    145    }
    146 }
    147 
    148 #endif
    149