src/gallium/drivers/sw/sw.c

   1 #include "pipe/p_compiler.h"
   2 #include "util/u_debug.h"
   3 #include "target-helpers/wrap_screen.h"
   4 #include "sw_public.h"
   5 #include "state_tracker/sw_winsys.h"
   6
   7
   8 /* Helper function to choose and instantiate one of the software rasterizers:
   9  * cell, llvmpipe, softpipe.
  10  */
  11
  12 #ifdef GALLIUM_SOFTPIPE
  13 #include "softpipe/sp_public.h"
  14 #endif
  15
  16 #ifdef GALLIUM_LLVMPIPE
  17 #include "llvmpipe/lp_public.h"
  18 #endif
  19
  20 #ifdef GALLIUM_CELL
  21 #include "cell/ppu/cell_public.h"
  22 #endif
  23
  24 struct pipe_screen *
  25 swrast_create_screen(struct sw_winsys *winsys)
  26 {
  27    const char *default_driver;
  28    const char *driver;
  29    struct pipe_screen *screen = NULL;
  30
  31 #if defined(GALLIUM_CELL)
  32    default_driver = "cell";
  33 #elif defined(GALLIUM_LLVMPIPE)
  34    default_driver = "llvmpipe";
  35 #elif defined(GALLIUM_SOFTPIPE)
  36    default_driver = "softpipe";
  37 #else
  38    default_driver = "";
  39 #endif
  40
  41    driver = debug_get_option("GALLIUM_DRIVER", default_driver);
  42
  43 #if defined(GALLIUM_CELL)
  44    if (screen == NULL && strcmp(driver, "cell") == 0)
  45       screen = cell_create_screen( winsys );
  46 #endif
  47
  48 #if defined(GALLIUM_LLVMPIPE)
  49    if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
  50       screen = llvmpipe_create_screen( winsys );
  51 #endif
  52
  53 #if defined(GALLIUM_SOFTPIPE)
  54    if (screen == NULL)
  55       screen = softpipe_create_screen( winsys );
  56 #endif
  57
  58    return screen;
  59 }