workbench/libs/mesa/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 struct winsys_handle;
  12
  13 boolean u_default_resource_get_handle(struct pipe_screen *screen,
  14                                       struct pipe_resource *resource,
  15                                       struct winsys_handle *handle);
  16
  17 void u_default_transfer_inline_write( struct pipe_context *pipe,
  18                                       struct pipe_resource *resource,
  19                                       unsigned level,
  20                                       unsigned usage,
  21                                       const struct pipe_box *box,
  22                                       const void *data,
  23                                       unsigned stride,
  24                                       unsigned layer_stride);
  25
  26 void u_default_transfer_flush_region( struct pipe_context *pipe,
  27                                       struct pipe_transfer *transfer,
  28                                       const struct pipe_box *box);
  29
  30 struct pipe_transfer * u_default_get_transfer(struct pipe_context *context,
  31                                               struct pipe_resource *resource,
  32                                               unsigned level,
  33                                               unsigned usage,
  34                                               const struct pipe_box *box);
  35
  36 void u_default_transfer_unmap( struct pipe_context *pipe,
  37                                struct pipe_transfer *transfer );
  38
  39 void u_default_transfer_destroy(struct pipe_context *pipe,
  40                                 struct pipe_transfer *transfer);
  41
  42
  43
  44 /* Useful helper to allow >1 implementation of resource functionality
  45  * to exist in a single driver.  This is intended to be transitionary!
  46  */
  47 struct u_resource_vtbl {
  48
  49    boolean (*resource_get_handle)(struct pipe_screen *,
  50                                   struct pipe_resource *tex,
  51                                   struct winsys_handle *handle);
  52
  53    void (*resource_destroy)(struct pipe_screen *,
  54                             struct pipe_resource *pt);
  55
  56    struct pipe_transfer *(*get_transfer)(struct pipe_context *,
  57                                          struct pipe_resource *resource,
  58                                          unsigned level,
  59                                          unsigned usage,
  60                                          const struct pipe_box *);
  61
  62    void (*transfer_destroy)(struct pipe_context *,
  63                             struct pipe_transfer *);
  64
  65    void *(*transfer_map)( struct pipe_context *,
  66                           struct pipe_transfer *transfer );
  67
  68    void (*transfer_flush_region)( struct pipe_context *,
  69                                   struct pipe_transfer *transfer,
  70                                   const struct pipe_box *);
  71
  72    void (*transfer_unmap)( struct pipe_context *,
  73    struct pipe_transfer *transfer );
  74
  75    void (*transfer_inline_write)( struct pipe_context *pipe,
  76                                   struct pipe_resource *resource,
  77                                   unsigned level,
  78                                   unsigned usage,
  79                                   const struct pipe_box *box,
  80                                   const void *data,
  81                                   unsigned stride,
  82                                   unsigned layer_stride);
  83 };
  84
  85
  86 struct u_resource {
  87    struct pipe_resource b;
  88    const struct u_resource_vtbl *vtbl;
  89 };
  90
  91
  92 boolean u_resource_get_handle_vtbl(struct pipe_screen *screen,
  93                                    struct pipe_resource *resource,
  94                                    struct winsys_handle *handle);
  95
  96 void u_resource_destroy_vtbl(struct pipe_screen *screen,
  97                              struct pipe_resource *resource);
  98
  99 struct pipe_transfer *u_get_transfer_vtbl(struct pipe_context *context,
 100                                           struct pipe_resource *resource,
 101                                           unsigned level,
 102                                           unsigned usage,
 103                                           const struct pipe_box *box);
 104
 105 void u_transfer_destroy_vtbl(struct pipe_context *pipe,
 106                              struct pipe_transfer *transfer);
 107
 108 void *u_transfer_map_vtbl( struct pipe_context *pipe,
 109                            struct pipe_transfer *transfer );
 110
 111 void u_transfer_flush_region_vtbl( struct pipe_context *pipe,
 112                                    struct pipe_transfer *transfer,
 113                                    const struct pipe_box *box);
 114
 115 void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx,
 116                             struct pipe_transfer *transfer );
 117
 118 void u_transfer_inline_write_vtbl( struct pipe_context *rm_ctx,
 119                                    struct pipe_resource *resource,
 120                                    unsigned level,
 121                                    unsigned usage,
 122                                    const struct pipe_box *box,
 123                                    const void *data,
 124                                    unsigned stride,
 125                                    unsigned layer_stride);
 126
 127 void u_default_redefine_user_buffer(struct pipe_context *ctx,
 128                                     struct pipe_resource *resource,
 129                                     unsigned offset,
 130                                     unsigned size);
 131
 132 #endif