src/gallium/targets/dri-vmwgfx/target.c

   1
   2 #include "target-helpers/inline_wrapper_sw_helper.h"
   3 #include "target-helpers/inline_debug_helper.h"
   4 #include "state_tracker/drm_driver.h"
   5 #include "svga/drm/svga_drm_public.h"
   6 #include "svga/svga_public.h"
   7
   8 static struct pipe_screen *
   9 create_screen(int fd)
  10 {
  11    struct svga_winsys_screen *sws;
  12    struct pipe_screen *screen;
  13
  14    sws = svga_drm_winsys_screen_create(fd);
  15    if (!sws)
  16       return NULL;
  17
  18    screen = svga_screen_create(sws);
  19    if (!screen)
  20       return NULL;
  21
  22    screen = sw_screen_wrap(screen);
  23
  24    screen = debug_screen_wrap(screen);
  25
  26    return screen;
  27 }
  28
  29 static const struct drm_conf_ret throttle_ret = {
  30    .type = DRM_CONF_INT,
  31    .val.val_int = 2,
  32 };
  33
  34 /* Technically this requires kernel support that is not yet
  35  * widespread.
  36  *
  37  * We could check for support in create_screen and return the correct
  38  * value, but for now just return true in all cases.
  39  */
  40 static const struct drm_conf_ret share_fd_ret = {
  41    .type = DRM_CONF_BOOL,
  42    .val.val_int = true,
  43 };
  44
  45 static const struct drm_conf_ret *drm_configuration(enum drm_conf conf)
  46 {
  47    switch (conf) {
  48    case DRM_CONF_THROTTLE:
  49       return &throttle_ret;
  50    case DRM_CONF_SHARE_FD:
  51       return &share_fd_ret;
  52    default:
  53       break;
  54    }
  55    return NULL;
  56 }
  57
  58 DRM_DRIVER_DESCRIPTOR("vmwgfx", "vmwgfx", create_screen, drm_configuration)