src/mesa/pipe/nv40/nv40_region.c

   1 #include "pipe/p_defines.h"
   2 #include "pipe/p_winsys.h"
   3
   4 #include "nv40_context.h"
   5 #include "nv40_dma.h"
   6
   7 static ubyte *
   8 nv40_region_map(struct pipe_context *pipe, struct pipe_region *region)
   9 {
  10         struct nv40_context *nv40 = (struct nv40_context *)pipe;
  11         struct pipe_winsys *ws = nv40->pipe.winsys;
  12
  13         if (!region->map_refcount++) {
  14                 region->map = ws->buffer_map(ws, region->buffer,
  15                                              PIPE_BUFFER_FLAG_WRITE |
  16                                              PIPE_BUFFER_FLAG_READ);
  17         }
  18
  19         return region->map;
  20 }
  21
  22 static void
  23 nv40_region_unmap(struct pipe_context *pipe, struct pipe_region *region)
  24 {
  25         struct nv40_context *nv40 = (struct nv40_context *)pipe;
  26         struct pipe_winsys *ws = nv40->pipe.winsys;
  27
  28         if (!--region->map_refcount) {
  29                 ws->buffer_unmap(ws, region->buffer);
  30                 region->map = NULL;
  31         }
  32 }
  33
  34 static void
  35 nv40_region_data(struct pipe_context *pipe,
  36                struct pipe_region *dst,
  37                unsigned dst_offset,
  38                unsigned dstx, unsigned dsty,
  39                const void *src, unsigned src_pitch,
  40                unsigned srcx, unsigned srcy, unsigned width, unsigned height)
  41 {
  42         struct nv40_context *nv40 = (struct nv40_context *)pipe;
  43         struct nouveau_winsys *nvws = nv40->nvws;
  44
  45         nvws->region_data(nvws->nv, dst, dst_offset, dstx, dsty,
  46                           src, src_pitch, srcx, srcy, width, height);
  47 }
  48
  49
  50 static void
  51 nv40_region_copy(struct pipe_context *pipe, struct pipe_region *dst,
  52                  unsigned dst_offset, unsigned dstx, unsigned dsty,
  53                  struct pipe_region *src, unsigned src_offset,
  54                  unsigned srcx, unsigned srcy, unsigned width, unsigned height)
  55 {
  56         struct nv40_context *nv40 = (struct nv40_context *)pipe;
  57         struct nouveau_winsys *nvws = nv40->nvws;
  58
  59         nvws->region_copy(nvws->nv, dst, dst_offset, dstx, dsty,
  60                           src, src_offset, srcx, srcy, width, height);
  61 }
  62
  63 static void
  64 nv40_region_fill(struct pipe_context *pipe,
  65                  struct pipe_region *dst, unsigned dst_offset,
  66                  unsigned dstx, unsigned dsty,
  67                  unsigned width, unsigned height, unsigned value)
  68 {
  69         struct nv40_context *nv40 = (struct nv40_context *)pipe;
  70         struct nouveau_winsys *nvws = nv40->nvws;
  71
  72         nvws->region_fill(nvws->nv, dst, dst_offset, dstx, dsty,
  73                           width, height, value);
  74 }
  75
  76 void
  77 nv40_init_region_functions(struct nv40_context *nv40)
  78 {
  79         nv40->pipe.region_map = nv40_region_map;
  80         nv40->pipe.region_unmap = nv40_region_unmap;
  81         nv40->pipe.region_data = nv40_region_data;
  82         nv40->pipe.region_copy = nv40_region_copy;
  83         nv40->pipe.region_fill = nv40_region_fill;
  84 }
  85