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 #undef NOUVEAU_NVC0
   8 #include "nvc0_winsys.h"
   9 #include "nvc0_stateobj.h"
  10
  11 #define NVC0_TIC_MAX_ENTRIES 2048
  12 #define NVC0_TSC_MAX_ENTRIES 2048
  13
  14 struct nvc0_context;
  15
  16 #define NVC0_SCRATCH_SIZE (2 << 20)
  17 #define NVC0_SCRATCH_NR_BUFFERS 2
  18
  19 #define NVC0_SCREEN_RESIDENT_BO_COUNT 5
  20
  21 struct nvc0_screen {
  22    struct nouveau_screen base;
  23    struct nouveau_winsys *nvws;
  24
  25    struct nvc0_context *cur_ctx;
  26
  27    struct nouveau_bo *text;
  28    struct nouveau_bo *uniforms;
  29    struct nouveau_bo *tls;
  30    struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
  31    struct nouveau_bo *vfetch_cache;
  32
  33    uint64_t tls_size;
  34
  35    struct nouveau_resource *text_heap;
  36
  37    struct {
  38       struct nouveau_bo *bo[NVC0_SCRATCH_NR_BUFFERS];
  39       uint8_t *buf;
  40       int index;
  41       uint32_t offset;
  42    } scratch;
  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_grobj *fermi;
  64    struct nouveau_grobj *eng2d;
  65    struct nouveau_grobj *m2mf;
  66 };
  67
  68 static INLINE struct nvc0_screen *
  69 nvc0_screen(struct pipe_screen *screen)
  70 {
  71    return (struct nvc0_screen *)screen;
  72 }
  73
  74 void nvc0_screen_make_buffers_resident(struct nvc0_screen *);
  75
  76 int nvc0_screen_tic_alloc(struct nvc0_screen *, void *);
  77 int nvc0_screen_tsc_alloc(struct nvc0_screen *, void *);
  78
  79 static INLINE void
  80 nvc0_resource_fence(struct nv04_resource *res, uint32_t flags)
  81 {
  82    struct nvc0_screen *screen = nvc0_screen(res->base.screen);
  83
  84    if (res->mm) {
  85       nouveau_fence_ref(screen->base.fence.current, &res->fence);
  86
  87       if (flags & NOUVEAU_BO_WR)
  88          nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
  89    }
  90 }
  91
  92 static INLINE void
  93 nvc0_resource_validate(struct nv04_resource *res, uint32_t flags)
  94 {
  95    struct nvc0_screen *screen = nvc0_screen(res->base.screen);
  96
  97    if (likely(res->bo)) {
  98       nouveau_bo_validate(screen->base.channel, res->bo, flags);
  99
 100       if (flags & NOUVEAU_BO_WR)
 101          res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
 102       if (flags & NOUVEAU_BO_RD)
 103          res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
 104
 105       nvc0_resource_fence(res, flags);
 106    }
 107 }
 108
 109 struct nvc0_format {
 110    uint32_t rt;
 111    uint32_t tic;
 112    uint32_t vtx;
 113    uint32_t usage;
 114 };
 115
 116 extern const struct nvc0_format nvc0_format_table[];
 117
 118 static INLINE void
 119 nvc0_screen_tic_unlock(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
 120 {
 121    if (tic->id >= 0)
 122       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
 123 }
 124
 125 static INLINE void
 126 nvc0_screen_tsc_unlock(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
 127 {
 128    if (tsc->id >= 0)
 129       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
 130 }
 131
 132 static INLINE void
 133 nvc0_screen_tic_free(struct nvc0_screen *screen, struct nv50_tic_entry *tic)
 134 {
 135    if (tic->id >= 0) {
 136       screen->tic.entries[tic->id] = NULL;
 137       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
 138    }
 139 }
 140
 141 static INLINE void
 142 nvc0_screen_tsc_free(struct nvc0_screen *screen, struct nv50_tsc_entry *tsc)
 143 {
 144    if (tsc->id >= 0) {
 145       screen->tsc.entries[tsc->id] = NULL;
 146       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
 147    }
 148 }
 149
 150 #endif