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
  23 static INLINE struct pipe_screen *
  24 sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
  25 {
  26    struct pipe_screen *screen = NULL;
  27
  28 #if defined(GALLIUM_LLVMPIPE)
  29    if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
  30       screen = llvmpipe_create_screen(winsys);
  31 #endif
  32
  33 #if defined(GALLIUM_SOFTPIPE)
  34    if (screen == NULL)
  35       screen = softpipe_create_screen(winsys);
  36 #endif
  37
  38    return screen;
  39 }
  40
  41
  42 static INLINE struct pipe_screen *
  43 sw_screen_create(struct sw_winsys *winsys)
  44 {
  45    const char *default_driver;
  46    const char *driver;
  47
  48 #if defined(GALLIUM_LLVMPIPE)
  49    default_driver = "llvmpipe";
  50 #elif defined(GALLIUM_SOFTPIPE)
  51    default_driver = "softpipe";
  52 #else
  53    default_driver = "";
  54 #endif
  55
  56    driver = debug_get_option("GALLIUM_DRIVER", default_driver);
  57    return sw_screen_create_named(winsys, driver);
  58 }
  59
  60 #if defined(GALLIUM_SOFTPIPE)
  61 #if defined(DRI_TARGET)
  62 #include "target-helpers/inline_debug_helper.h"
  63 #include "sw/dri/dri_sw_winsys.h"
  64 #include "dri_screen.h"
  65
  66 const __DRIextension **__driDriverGetExtensions_swrast(void);
  67
  68 PUBLIC const __DRIextension **__driDriverGetExtensions_swrast(void)
  69 {
  70    globalDriverAPI = &galliumsw_driver_api;
  71    return galliumsw_driver_extensions;
  72 }
  73
  74 INLINE struct pipe_screen *
  75 drisw_create_screen(struct drisw_loader_funcs *lf)
  76 {
  77    struct sw_winsys *winsys = NULL;
  78    struct pipe_screen *screen = NULL;
  79
  80    winsys = dri_create_sw_winsys(lf);
  81    if (winsys == NULL)
  82       return NULL;
  83
  84    screen = sw_screen_create(winsys);
  85    if (screen == NULL) {
  86       winsys->destroy(winsys);
  87       return NULL;
  88    }
  89
  90    screen = debug_screen_wrap(screen);
  91    return screen;
  92 }
  93 #endif // DRI_TARGET
  94 #endif // GALLIUM_SOFTPIPE
  95
  96
  97 #endif