src/gallium/drivers/nvc0/nvc0_screen.h

   1 #ifndef __NVC0_SCREEN_H__
   2 #define __NVC0_SCREEN_H__
   3
   4 #define NOUVEAU_NVC0
   5 #include "nouveau/nouveau_screen.h"
   6 #include "nouveau/nouveau_mm.h"
   7 #include "nouveau/nouveau_fence.h"
   8 #undef NOUVEAU_NVC0
   9 #include "nvc0_winsys.h"
  10 #include "nvc0_stateobj.h"
  11
  12 #define NVC0_TIC_MAX_ENTRIES 2048
  13 #define NVC0_TSC_MAX_ENTRIES 2048
  14
  15 struct nvc0_context;
  16
  17 #define NVC0_SCRATCH_SIZE (2 << 20)
  18 #define NVC0_SCRATCH_NR_BUFFERS 2
  19
  20 #define NVC0_SCREEN_RESIDENT_BO_COUNT 5
  21
  22 struct nvc0_screen {
  23    struct nouveau_screen base;
  24    struct nouveau_winsys *nvws;
  25
  26    struct nvc0_context *cur_ctx;
  27
  28    struct nouveau_bo *text;
  29    struct nouveau_bo *uniforms;
  30    struct nouveau_bo *tls;
  31    struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
  32    struct nouveau_bo *vfetch_cache;
  33
  34    uint64_t tls_size;
  35
  36    struct nouveau_resource *text_heap;
  37
  38    struct {
  39       struct nouveau_bo *bo[NVC0_SCRATCH_NR_BUFFERS];
  40       uint8_t *buf;
  41       int index;
  42       uint32_t offset;
  43    } scratch;
  44
  45    struct {
  46       void **entries;
  47       int next;
  48       uint32_t lock[NVC0_TIC_MAX_ENTRIES / 32];
  49    } tic;
  50
  51    struct {
  52       void **entries;
  53       int next;
  54       uint32_t lock[NVC0_TSC_MAX_ENTRIES / 32];
  55    } tsc;
  56
  57    struct {
  58       struct nouveau_bo *bo;
  59       uint32_t *map;
  60    } fence;
  61
  62    struct nouveau_mman *mm_VRAM_fe0;
  63
  64    struct nouveau_grobj *fermi;
  65    struct nouveau_grobj *eng2d;
  66    struct nouveau_grobj *m2mf;
  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 void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
  76
  77 int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
  78 int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
  79
  80 static INLINE void
  81 nvc0_resource_fence(struct nv04_resource *res, uint32_t flags)
  82 {
  83    struct nvc0_screen *screen = nvc0_screen(res->base.screen);
  84
  85    if (res->mm) {
  86       nouveau_fence_ref(screen->base.fence.current, &res->fence);
  87
  88       if (flags & NOUVEAU_BO_WR)
  89          nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
  90    }
  91 }
  92
  93 static INLINE void
  94 nvc0_resource_validate(struct nv04_resource *res, uint32_t flags)
  95 {
  96    struct nvc0_screen *screen = nvc0_screen(res->base.screen);
  97
  98    if (likely(res->bo)) {
  99       nouveau_bo_validate(screen->base.channel, res->bo, flags);
 100
 101       if (flags & NOUVEAU_BO_WR)
 102          res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
 103       if (flags & NOUVEAU_BO_RD)
 104          res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
 105
 106       nvc0_resource_fence(res, flags);
 107    }
 108 }
 109
 110 struct nvc0_format {
 111    uint32_t rt;
 112    uint32_t tic;
 113    uint32_t vtx;
 114    uint32_t usage;
 115 };
 116
 117 extern const struct nvc0_format nvc0_format_table[];
 118
 119 static INLINE void
 120 nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
 121 {
 122    if (tic->id >= 0)
 123       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
 124 }
 125
 126 static INLINE void
 127 nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
 128 {
 129    if (tsc->id >= 0)
 130       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
 131 }
 132
 133 static INLINE void
 134 nvc0_screen_tic_free(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
 135 {
 136    if (tic->id >= 0) {
 137       screen->tic.entries[tic->id] = NULL;
 138       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
 139    }
 140 }
 141
 142 static INLINE void
 143 nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
 144 {
 145    if (tsc->id >= 0) {
 146       screen->tsc.entries[tsc->id] = NULL;
 147       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
 148    }
 149 }
 150
 151 #endif