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

   1
   2 #ifndef INLINE_SW_HELPER_H
   3 #define INLINE_SW_HELPER_H
   4
   5 #include "pipe/p_compiler.h"
   6 #include "util/u_debug.h"
   7 #include "state_tracker/sw_winsys.h"
   8
   9
  10 /* Helper function to choose and instantiate one of the software rasterizers:
  11  * llvmpipe, softpipe.
  12  */
  13
  14 #ifdef GALLIUM_SOFTPIPE
  15 #include "softpipe/sp_public.h"
  16 #endif
  17
  18 #ifdef GALLIUM_LLVMPIPE
  19 #include "llvmpipe/lp_public.h"
  20 #endif
  21
  22 #ifdef GALLIUM_VIRGL
  23 #include "virgl/virgl_public.h"
  24 #include "virgl/vtest/virgl_vtest_public.h"
  25 #endif
  26
  27 static inline struct pipe_screen *
  28 sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
  29 {
  30    struct pipe_screen *screen = NULL;
  31
  32 #if defined(GALLIUM_LLVMPIPE)
  33    if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
  34       screen = llvmpipe_create_screen(winsys);
  35 #endif
  36
  37 #if defined(GALLIUM_VIRGL)
  38    if (screen == NULL && strcmp(driver, "virpipe") == 0) {
  39       struct virgl_winsys *vws;
  40       vws = virgl_vtest_winsys_wrap(winsys);
  41       screen = virgl_create_screen(vws);
  42    }
  43 #endif
  44
  45 #if defined(GALLIUM_SOFTPIPE)
  46    if (screen == NULL)
  47       screen = softpipe_create_screen(winsys);
  48 #endif
  49
  50    return screen;
  51 }
  52
  53
  54 static inline struct pipe_screen *
  55 sw_screen_create(struct sw_winsys *winsys)
  56 {
  57    const char *default_driver;
  58    const char *driver;
  59
  60 #if defined(GALLIUM_LLVMPIPE)
  61    default_driver = "llvmpipe";
  62 #elif defined(GALLIUM_SOFTPIPE)
  63    default_driver = "softpipe";
  64 #else
  65    default_driver = "";
  66 #endif
  67
  68    driver = debug_get_option("GALLIUM_DRIVER", default_driver);
  69    return sw_screen_create_named(winsys, driver);
  70 }
  71
  72 #if defined(GALLIUM_SOFTPIPE)
  73 #if defined(DRI_TARGET)
  74 #include "target-helpers/inline_debug_helper.h"
  75 #include "sw/dri/dri_sw_winsys.h"
  76 #include "dri_screen.h"
  77
  78 const __DRIextension **__driDriverGetExtensions_swrast(void);
  79
  80 PUBLIC const __DRIextension **__driDriverGetExtensions_swrast(void)
  81 {
  82    globalDriverAPI = &galliumsw_driver_api;
  83    return galliumsw_driver_extensions;
  84 }
  85
  86 inline struct pipe_screen *
  87 drisw_create_screen(struct drisw_loader_funcs *lf)
  88 {
  89    struct sw_winsys *winsys = NULL;
  90    struct pipe_screen *screen = NULL;
  91
  92    winsys = dri_create_sw_winsys(lf);
  93    if (winsys == NULL)
  94       return NULL;
  95
  96    screen = sw_screen_create(winsys);
  97    if (screen == NULL) {
  98       winsys->destroy(winsys);
  99       return NULL;
 100    }
 101
 102    screen = debug_screen_wrap(screen);
 103    return screen;
 104 }
 105 #endif // DRI_TARGET
 106
 107 #endif // GALLIUM_SOFTPIPE
 108
 109
 110 #endif