tgsi: added tgsi_is_shadow_target() helper

2015-09-01 16:29:17 -06:00
parent bd883c9070
commit f8da1e1459
2 changed files with 21 additions and 0 deletions
@@ -462,3 +462,21 @@ tgsi_util_get_texture_coord_dim(int tgsi_tex, int *shadow_or_sample)

   return dim;
 }
+
+
+boolean
+tgsi_is_shadow_target(unsigned target)
+{
+   switch (target) {
+   case TGSI_TEXTURE_SHADOW1D:
+   case TGSI_TEXTURE_SHADOW2D:
+   case TGSI_TEXTURE_SHADOWRECT:
+   case TGSI_TEXTURE_SHADOW1D_ARRAY:
+   case TGSI_TEXTURE_SHADOW2D_ARRAY:
+   case TGSI_TEXTURE_SHADOWCUBE:
+   case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
+      return TRUE;
+   default:
+      return FALSE;
+   }
+}
@@ -82,6 +82,9 @@ tgsi_util_get_src_from_ind(const struct tgsi_ind_register *reg);
 int
 tgsi_util_get_texture_coord_dim(int tgsi_tex, int *shadow_or_sample);

+boolean
+tgsi_is_shadow_target(unsigned target);
+
 #if defined __cplusplus
 }
 #endif