src/gallium/drivers/nv50/nv50_resource.h

   1
   2 #ifndef __NV50_RESOURCE_H__
   3 #define __NV50_RESOURCE_H__
   4
   5 #include "util/u_transfer.h"
   6 #include "util/u_double_list.h"
   7
   8 #include "nouveau/nouveau_winsys.h"
   9 #include "nouveau/nouveau_buffer.h"
  10
  11 #ifndef __NVC0_RESOURCE_H__ /* make sure we don't use these in nvc0: */
  12
  13 void
  14 nv50_init_resource_functions(struct pipe_context *pcontext);
  15
  16 void
  17 nv50_screen_init_resource_functions(struct pipe_screen *pscreen);
  18
  19
  20 #define NV50_TILE_SHIFT_X(m) 6
  21 #define NV50_TILE_SHIFT_Y(m) ((((m) >> 4) & 0xf) + 2)
  22 #define NV50_TILE_SHIFT_Z(m) ((((m) >> 8) & 0xf) + 0)
  23
  24 #define NV50_TILE_SIZE_X(m) 64
  25 #define NV50_TILE_SIZE_Y(m) ( 4 << (((m) >> 4) & 0xf))
  26 #define NV50_TILE_SIZE_Z(m) ( 1 << (((m) >> 8) & 0xf))
  27
  28 #define NV50_TILE_SIZE_2D(m) (NV50_TILE_SIZE_X(m) << NV50_TILE_SHIFT_Y(m))
  29
  30 #define NV50_TILE_SIZE(m) (NV50_TILE_SIZE_2D(m) << NV50_TILE_SHIFT_Z(m))
  31
  32 #endif /* __NVC0_RESOURCE_H__ */
  33
  34 uint32_t
  35 nv50_tex_choose_tile_dims_helper(unsigned nx, unsigned ny, unsigned nz);
  36
  37 struct nv50_miptree_level {
  38    uint32_t offset;
  39    uint32_t pitch;
  40    uint32_t tile_mode;
  41 };
  42
  43 #define NV50_MAX_TEXTURE_LEVELS 16
  44
  45 struct nv50_miptree {
  46    struct nv04_resource base;
  47    struct nv50_miptree_level level[NV50_MAX_TEXTURE_LEVELS];
  48    uint32_t total_size;
  49    uint32_t layer_stride;
  50    boolean layout_3d; /* TRUE if layer count varies with mip level */
  51    uint8_t ms_x;      /* log2 of number of samples in x/y dimension */
  52    uint8_t ms_y;
  53    uint8_t ms_mode;
  54 };
  55
  56 static INLINE struct nv50_miptree *
  57 nv50_miptree(struct pipe_resource *pt)
  58 {
  59    return (struct nv50_miptree *)pt;
  60 }
  61
  62
  63 #define NV50_TEXVIEW_SCALED_COORDS     (1 << 0)
  64 #define NV50_TEXVIEW_FILTER_MSAA8      (1 << 1)
  65
  66
  67 /* Internal functions:
  68  */
  69 boolean
  70 nv50_miptree_init_layout_linear(struct nv50_miptree *mt);
  71
  72 struct pipe_resource *
  73 nv50_miptree_create(struct pipe_screen *pscreen,
  74                     const struct pipe_resource *tmp);
  75
  76 void
  77 nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt);
  78
  79 struct pipe_resource *
  80 nv50_miptree_from_handle(struct pipe_screen *pscreen,
  81                          const struct pipe_resource *template,
  82                          struct winsys_handle *whandle);
  83
  84 boolean
  85 nv50_miptree_get_handle(struct pipe_screen *pscreen,
  86                         struct pipe_resource *pt,
  87                         struct winsys_handle *whandle);
  88
  89 struct nv50_surface {
  90    struct pipe_surface base;
  91    uint32_t offset;
  92    uint32_t width;
  93    uint16_t height;
  94    uint16_t depth;
  95 };
  96
  97 static INLINE struct nv50_surface *
  98 nv50_surface(struct pipe_surface *ps)
  99 {
 100    return (struct nv50_surface *)ps;
 101 }
 102
 103 static INLINE enum pipe_format
 104 nv50_zs_to_s_format(enum pipe_format format)
 105 {
 106    switch (format) {
 107    case PIPE_FORMAT_Z24_UNORM_S8_UINT: return PIPE_FORMAT_X24S8_UINT;
 108    case PIPE_FORMAT_S8_UINT_Z24_UNORM: return PIPE_FORMAT_S8X24_UINT;
 109    case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: return PIPE_FORMAT_X32_S8X24_UINT;
 110    default:
 111       return format;
 112    }
 113 }
 114
 115 #ifndef __NVC0_RESOURCE_H__
 116
 117 unsigned
 118 nv50_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z);
 119
 120 struct pipe_surface *
 121 nv50_miptree_surface_new(struct pipe_context *,
 122                          struct pipe_resource *,
 123                          const struct pipe_surface *templ);
 124
 125 void *
 126 nv50_miptree_transfer_map(struct pipe_context *pctx,
 127                           struct pipe_resource *res,
 128                           unsigned level,
 129                           unsigned usage,
 130                           const struct pipe_box *box,
 131                           struct pipe_transfer **ptransfer);
 132 void
 133 nv50_miptree_transfer_unmap(struct pipe_context *pcontext,
 134                             struct pipe_transfer *ptx);
 135
 136 #endif /* __NVC0_RESOURCE_H__ */
 137
 138 struct nv50_surface *
 139 nv50_surface_from_miptree(struct nv50_miptree *mt,
 140                           const struct pipe_surface *templ);
 141
 142 struct pipe_surface *
 143 nv50_surface_from_buffer(struct pipe_context *pipe,
 144                          struct pipe_resource *pt,
 145                          const struct pipe_surface *templ);
 146
 147 void
 148 nv50_surface_destroy(struct pipe_context *, struct pipe_surface *);
 149
 150 #endif /* __NV50_RESOURCE_H__ */