src/gallium/drivers/nvc0/nvc0_screen.h

   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 "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_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 *uniforms;
  33    struct nouveau_bo *tls;
  34    struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
  35    struct nouveau_bo *vfetch_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       struct nouveau_bo *bo[NVC0_SCRATCH_NR_BUFFERS];
  46       uint8_t *buf;
  47       int index;
  48       uint32_t offset;
  49    } scratch;
  50
  51    struct {
  52       void **entries;
  53       int next;
  54       uint32_t lock[NVC0_TIC_MAX_ENTRIES / 32];
  55    } tic;
  56
  57    struct {
  58       void **entries;
  59       int next;
  60       uint32_t lock[NVC0_TSC_MAX_ENTRIES / 32];
  61    } tsc;
  62
  63    struct {
  64       struct nouveau_bo *bo;
  65       uint32_t *map;
  66    } fence;
  67
  68    struct nouveau_mman *mm_VRAM_fe0;
  69
  70    struct nouveau_object *fermi;
  71    struct nouveau_object *eng2d;
  72    struct nouveau_object *m2mf;
  73    struct nouveau_object *dijkstra;
  74 };
  75
  76 static INLINE struct nvc0_screen *
  77 nvc0_screen(struct pipe_screen *screen)
  78 {
  79    return (struct nvc0_screen *)screen;
  80 }
  81
  82 boolean nvc0_blitctx_create(struct nvc0_screen *);
  83
  84 void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
  85
  86 int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
  87 int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
  88
  89 static INLINE void
  90 nvc0_resource_fence(struct nv04_resource *res, uint32_t flags)
  91 {
  92    struct nvc0_screen *screen = nvc0_screen(res->base.screen);
  93
  94    if (res->mm) {
  95       nouveau_fence_ref(screen->base.fence.current, &res->fence);
  96       if (flags & NOUVEAU_BO_WR)
  97          nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
  98    }
  99 }
 100
 101 static INLINE void
 102 nvc0_resource_validate(struct nv04_resource *res, uint32_t flags)
 103 {
 104    if (likely(res->bo)) {
 105       if (flags & NOUVEAU_BO_WR)
 106          res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
 107       if (flags & NOUVEAU_BO_RD)
 108          res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
 109
 110       nvc0_resource_fence(res, flags);
 111    }
 112 }
 113
 114 struct nvc0_format {
 115    uint32_t rt;
 116    uint32_t tic;
 117    uint32_t vtx;
 118    uint32_t usage;
 119 };
 120
 121 extern const struct nvc0_format nvc0_format_table[];
 122
 123 static INLINE void
 124 nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
 125 {
 126    if (tic->id >= 0)
 127       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
 128 }
 129
 130 static INLINE void
 131 nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
 132 {
 133    if (tsc->id >= 0)
 134       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
 135 }
 136
 137 static INLINE void
 138 nvc0_screen_tic_free(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
 139 {
 140    if (tic->id >= 0) {
 141       screen->tic.entries[tic->id] = NULL;
 142       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
 143    }
 144 }
 145
 146 static INLINE void
 147 nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
 148 {
 149    if (tsc->id >= 0) {
 150       screen->tsc.entries[tsc->id] = NULL;
 151       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
 152    }
 153 }
 154
 155 #endif