src/gallium/auxiliary/target-helpers/sw_helper.h

   1
   2 #ifndef SW_HELPER_H
   3 #define SW_HELPER_H
   4
   5 #include "pipe/p_compiler.h"
   6 #include "util/u_debug.h"
   7 #include "target-helpers/sw_helper_public.h"
   8 #include "state_tracker/sw_winsys.h"
   9
  10
  11 /* Helper function to choose and instantiate one of the software rasterizers:
  12  * llvmpipe, softpipe, swr.
  13  */
  14
  15 #ifdef GALLIUM_SOFTPIPE
  16 #include "softpipe/sp_public.h"
  17 #endif
  18
  19 #ifdef GALLIUM_LLVMPIPE
  20 #include "llvmpipe/lp_public.h"
  21 #endif
  22
  23 #ifdef GALLIUM_SWR
  24 #include "swr/swr_public.h"
  25 #endif
  26
  27 #ifdef GALLIUM_VIRGL
  28 #include "virgl/virgl_public.h"
  29 #include "virgl/vtest/virgl_vtest_public.h"
  30 #endif
  31
  32 static inline struct pipe_screen *
  33 sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
  34 {
  35    struct pipe_screen *screen = NULL;
  36
  37 #if defined(GALLIUM_LLVMPIPE)
  38    if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
  39       screen = llvmpipe_create_screen(winsys);
  40 #endif
  41
  42 #if defined(GALLIUM_VIRGL)
  43    if (screen == NULL && strcmp(driver, "virpipe") == 0) {
  44       struct virgl_winsys *vws;
  45       vws = virgl_vtest_winsys_wrap(winsys);
  46       screen = virgl_create_screen(vws);
  47    }
  48 #endif
  49
  50 #if defined(GALLIUM_SOFTPIPE)
  51    if (screen == NULL && strcmp(driver, "softpipe") == 0)
  52       screen = softpipe_create_screen(winsys);
  53 #endif
  54
  55 #if defined(GALLIUM_SWR)
  56    if (screen == NULL && strcmp(driver, "swr") == 0)
  57       screen = swr_create_screen(winsys);
  58 #endif
  59
  60    return screen;
  61 }
  62
  63
  64 struct pipe_screen *
  65 sw_screen_create(struct sw_winsys *winsys)
  66 {
  67    const char *default_driver;
  68    const char *driver;
  69
  70 #if defined(GALLIUM_LLVMPIPE)
  71    default_driver = "llvmpipe";
  72 #elif defined(GALLIUM_SOFTPIPE)
  73    default_driver = "softpipe";
  74 #elif defined(GALLIUM_SWR)
  75    default_driver = "swr";
  76 #else
  77    default_driver = "";
  78 #endif
  79
  80    driver = debug_get_option("GALLIUM_DRIVER", default_driver);
  81    return sw_screen_create_named(winsys, driver);
  82 }
  83
  84 #endif