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 "frontend/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_ZINK
  16 #include "zink/zink_public.h"
  17 #endif
  18
  19 #ifdef GALLIUM_SOFTPIPE
  20 #include "softpipe/sp_public.h"
  21 #endif
  22
  23 #ifdef GALLIUM_LLVMPIPE
  24 #include "llvmpipe/lp_public.h"
  25 #endif
  26
  27 #ifdef GALLIUM_SWR
  28 #include "swr/swr_public.h"
  29 #endif
  30
  31 #ifdef GALLIUM_VIRGL
  32 #include "virgl/virgl_public.h"
  33 #include "virgl/vtest/virgl_vtest_public.h"
  34 #endif
  35
  36 static inline struct pipe_screen *
  37 sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
  38 {
  39    struct pipe_screen *screen = NULL;
  40
  41 #if defined(GALLIUM_LLVMPIPE)
  42    if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
  43       screen = llvmpipe_create_screen(winsys);
  44 #endif
  45
  46 #if defined(GALLIUM_VIRGL)
  47    if (screen == NULL && strcmp(driver, "virpipe") == 0) {
  48       struct virgl_winsys *vws;
  49       vws = virgl_vtest_winsys_wrap(winsys);
  50       screen = virgl_create_screen(vws, NULL);
  51    }
  52 #endif
  53
  54 #if defined(GALLIUM_SOFTPIPE)
  55    if (screen == NULL && strcmp(driver, "softpipe") == 0)
  56       screen = softpipe_create_screen(winsys);
  57 #endif
  58
  59 #if defined(GALLIUM_SWR)
  60    if (screen == NULL && strcmp(driver, "swr") == 0)
  61       screen = swr_create_screen(winsys);
  62 #endif
  63
  64 #if defined(GALLIUM_ZINK)
  65    if (screen == NULL && strcmp(driver, "zink") == 0)
  66       screen = zink_create_screen(winsys);
  67 #endif
  68
  69    return screen;
  70 }
  71
  72
  73 struct pipe_screen *
  74 sw_screen_create(struct sw_winsys *winsys)
  75 {
  76    const char *default_driver;
  77    const char *driver;
  78
  79 #if defined(GALLIUM_LLVMPIPE)
  80    default_driver = "llvmpipe";
  81 #elif defined(GALLIUM_SOFTPIPE)
  82    default_driver = "softpipe";
  83 #elif defined(GALLIUM_SWR)
  84    default_driver = "swr";
  85 #elif defined(GALLIUM_ZINK)
  86    default_driver = "zink";
  87 #else
  88    default_driver = "";
  89 #endif
  90
  91    driver = debug_get_option("GALLIUM_DRIVER", default_driver);
  92    return sw_screen_create_named(winsys, driver);
  93 }
  94
  95 #endif