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