src/gallium/auxiliary/util/u_transfer.h

   1
   2 #ifndef U_TRANSFER_H
   3 #define U_TRANSFER_H
   4
   5 /* Fallback implementations for inline read/writes which just go back
   6  * to the regular transfer behaviour.
   7  */
   8 #include "pipe/p_state.h"
   9
  10 struct pipe_context;
  11
  12 boolean u_default_resource_get_handle(struct pipe_screen *screen,
  13                                       struct pipe_resource *resource,
  14                                       struct winsys_handle *handle);
  15
  16 void u_default_transfer_inline_write( struct pipe_context *pipe,
  17                               struct pipe_resource *resource,
  18                               struct pipe_subresource sr,
  19                               unsigned usage,
  20                               const struct pipe_box *box,
  21                               const void *data,
  22                               unsigned stride,
  23                               unsigned slice_stride);
  24
  25 void u_default_transfer_flush_region( struct pipe_context *pipe,
  26                                       struct pipe_transfer *transfer,
  27                                       const struct pipe_box *box);
  28
  29 unsigned u_default_is_resource_referenced( struct pipe_context *pipe,
  30                                            struct pipe_resource *resource,
  31                                            unsigned face, unsigned level);
  32
  33 struct pipe_transfer * u_default_get_transfer(struct pipe_context *context,
  34                                               struct pipe_resource *resource,
  35                                               struct pipe_subresource sr,
  36                                               unsigned usage,
  37                                               const struct pipe_box *box);
  38
  39 void u_default_transfer_unmap( struct pipe_context *pipe,
  40                                struct pipe_transfer *transfer );
  41
  42 void u_default_transfer_destroy(struct pipe_context *pipe,
  43                                 struct pipe_transfer *transfer);
  44
  45
  46
  47 /* Useful helper to allow >1 implementation of resource functionality
  48  * to exist in a single driver.  This is intended to be transitionary!
  49  */
  50 struct u_resource_vtbl {
  51
  52    boolean (*resource_get_handle)(struct pipe_screen *,
  53                                   struct pipe_resource *tex,
  54                                   struct winsys_handle *handle);
  55
  56    void (*resource_destroy)(struct pipe_screen *,
  57                             struct pipe_resource *pt);
  58
  59    unsigned (*is_resource_referenced)(struct pipe_context *pipe,
  60                                       struct pipe_resource *texture,
  61                                       unsigned face, unsigned level);
  62
  63    struct pipe_transfer *(*get_transfer)(struct pipe_context *,
  64                                          struct pipe_resource *resource,
  65                                          struct pipe_subresource,
  66                                          unsigned usage,
  67                                          const struct pipe_box *);
  68
  69    void (*transfer_destroy)(struct pipe_context *,
  70                             struct pipe_transfer *);
  71
  72    void *(*transfer_map)( struct pipe_context *,
  73                           struct pipe_transfer *transfer );
  74
  75    void (*transfer_flush_region)( struct pipe_context *,
  76                                   struct pipe_transfer *transfer,
  77                                   const struct pipe_box *);
  78
  79    void (*transfer_unmap)( struct pipe_context *,
  80                            struct pipe_transfer *transfer );
  81
  82    void (*transfer_inline_write)( struct pipe_context *pipe,
  83                                   struct pipe_resource *resource,
  84                                   struct pipe_subresource sr,
  85                                   unsigned usage,
  86                                   const struct pipe_box *box,
  87                                   const void *data,
  88                                   unsigned stride,
  89                                   unsigned slice_stride);
  90 };
  91
  92
  93 struct u_resource {
  94    struct pipe_resource b;
  95    struct u_resource_vtbl *vtbl;
  96 };
  97
  98
  99 boolean u_resource_get_handle_vtbl(struct pipe_screen *screen,
 100                               struct pipe_resource *resource,
 101                               struct winsys_handle *handle);
 102
 103 void u_resource_destroy_vtbl(struct pipe_screen *screen,
 104                         struct pipe_resource *resource);
 105
 106 unsigned u_is_resource_referenced_vtbl( struct pipe_context *pipe,
 107                                         struct pipe_resource *resource,
 108                                         unsigned face, unsigned level);
 109
 110 struct pipe_transfer *u_get_transfer_vtbl(struct pipe_context *context,
 111                                      struct pipe_resource *resource,
 112                                      struct pipe_subresource sr,
 113                                      unsigned usage,
 114                                      const struct pipe_box *box);
 115
 116 void u_transfer_destroy_vtbl(struct pipe_context *pipe,
 117                         struct pipe_transfer *transfer);
 118
 119 void *u_transfer_map_vtbl( struct pipe_context *pipe,
 120                       struct pipe_transfer *transfer );
 121
 122 void u_transfer_flush_region_vtbl( struct pipe_context *pipe,
 123                               struct pipe_transfer *transfer,
 124                               const struct pipe_box *box);
 125
 126 void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx,
 127                        struct pipe_transfer *transfer );
 128
 129 void u_transfer_inline_write_vtbl( struct pipe_context *rm_ctx,
 130                                    struct pipe_resource *resource,
 131                                    struct pipe_subresource sr,
 132                                    unsigned usage,
 133                                    const struct pipe_box *box,
 134                                    const void *data,
 135                                    unsigned stride,
 136                                    unsigned slice_stride);
 137
 138
 139
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 143
 144
 145 #endif