src/gallium/drivers/nvfx/nvfx_resource.h

   1
   2 #ifndef NVFX_RESOURCE_H
   3 #define NVFX_RESOURCE_H
   4
   5 #include "util/u_transfer.h"
   6
   7 struct pipe_resource;
   8 struct nouveau_bo;
   9
  10
  11 /* This gets further specialized into either buffer or texture
  12  * structures.  In the future we'll want to remove much of that
  13  * distinction, but for now try to keep as close to the existing code
  14  * as possible and use the vtbl struct to choose between the two
  15  * underlying implementations.
  16  */
  17 struct nvfx_resource {
  18         struct pipe_resource base;
  19         struct u_resource_vtbl *vtbl;
  20         struct nouveau_bo *bo;
  21 };
  22
  23 #define NVFX_MAX_TEXTURE_LEVELS  16
  24
  25 struct nvfx_miptree {
  26         struct nvfx_resource base;
  27         uint total_size;
  28
  29         struct {
  30                 uint pitch;
  31                 uint *image_offset;
  32         } level[NVFX_MAX_TEXTURE_LEVELS];
  33
  34         unsigned image_nr;
  35 };
  36
  37 static INLINE
  38 struct nvfx_resource *nvfx_resource(struct pipe_resource *resource)
  39 {
  40         return (struct nvfx_resource *)resource;
  41 }
  42
  43 static INLINE struct nouveau_bo *
  44 nvfx_surface_buffer(struct pipe_surface *surf)
  45 {
  46         struct nvfx_resource *mt = nvfx_resource(surf->texture);
  47
  48         return mt->bo;
  49 }
  50
  51
  52 void
  53 nvfx_init_resource_functions(struct pipe_context *pipe);
  54
  55 void
  56 nvfx_screen_init_resource_functions(struct pipe_screen *pscreen);
  57
  58
  59 /* Internal:
  60  */
  61
  62 struct pipe_resource *
  63 nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt);
  64
  65 struct pipe_resource *
  66 nvfx_miptree_from_handle(struct pipe_screen *pscreen,
  67                          const struct pipe_resource *template,
  68                          struct winsys_handle *whandle);
  69
  70 struct pipe_resource *
  71 nvfx_buffer_create(struct pipe_screen *pscreen,
  72                    const struct pipe_resource *template);
  73
  74 struct pipe_resource *
  75 nvfx_user_buffer_create(struct pipe_screen *screen,
  76                         void *ptr,
  77                         unsigned bytes,
  78                         unsigned usage);
  79
  80
  81
  82 void
  83 nvfx_miptree_surface_del(struct pipe_surface *ps);
  84
  85 struct pipe_surface *
  86 nvfx_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
  87                          unsigned face, unsigned level, unsigned zslice,
  88                          unsigned flags);
  89
  90
  91 #endif