util: put vertices_per_primitive function in its proper location

3 files changed, 37 insertions, 5 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_sanity.c b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
index 5d11c19aea4..16b8ec60518 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sanity.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
@@ -27,7 +27,7 @@
 
 #include "util/u_debug.h"
 #include "util/u_memory.h"
-#include "pipe/p_inlines.h"
+#include "util/u_prim.h"
 #include "cso_cache/cso_hash.h"
 #include "tgsi_sanity.h"
 #include "tgsi_info.h"
@@ -463,8 +463,7 @@ iter_property(
 
    if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY &&
        prop->Property.PropertyName == TGSI_PROPERTY_GS_INPUT_PRIM) {
-      ctx->implied_array_size =
-         pipe_vertices_per_primitive(prop->u[0].Data);
+      ctx->implied_array_size = u_vertices_per_prim(prop->u[0].Data);
    }
    return TRUE;
 }
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index ca247a1f97c..825d17a4de3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -27,6 +27,7 @@
 
 #include "util/u_debug.h"
 #include "util/u_memory.h"
+#include "util/u_prim.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_inlines.h"
 #include "tgsi_text.h"
@@ -1187,8 +1188,7 @@ static boolean parse_property( struct translate_ctx *ctx )
       }
       if (property_name == TGSI_PROPERTY_GS_INPUT_PRIM &&
           ctx->processor == TGSI_PROCESSOR_GEOMETRY) {
-         ctx->implied_array_size =
-            pipe_vertices_per_primitive(values[0]);
+         ctx->implied_array_size = u_vertices_per_prim(values[0]);
       }
       break;
    default:
diff --git a/src/gallium/auxiliary/util/u_prim.h b/src/gallium/auxiliary/util/u_prim.h
index 74343299623..10a874f3416 100644
--- a/src/gallium/auxiliary/util/u_prim.h
+++ b/src/gallium/auxiliary/util/u_prim.h
@@ -135,6 +135,39 @@ static INLINE unsigned u_reduced_prim( unsigned pipe_prim )
    }
 }
 
+static INLINE unsigned
+u_vertices_per_prim(int primitive)
+{
+   switch(primitive) {
+   case PIPE_PRIM_POINTS:
+      return 1;
+   case PIPE_PRIM_LINES:
+   case PIPE_PRIM_LINE_LOOP:
+   case PIPE_PRIM_LINE_STRIP:
+      return 2;
+   case PIPE_PRIM_TRIANGLES:
+   case PIPE_PRIM_TRIANGLE_STRIP:
+   case PIPE_PRIM_TRIANGLE_FAN:
+      return 3;
+   case PIPE_PRIM_LINES_ADJACENCY:
+   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+      return 4;
+   case PIPE_PRIM_TRIANGLES_ADJACENCY:
+   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+      return 6;
+
+   /* following primitives should never be used
+    * with geometry shaders abd their size is
+    * undefined */
+   case PIPE_PRIM_POLYGON:
+   case PIPE_PRIM_QUADS:
+   case PIPE_PRIM_QUAD_STRIP:
+   default:
+      debug_printf("Unrecognized geometry shader primitive");
+      return 3;
+   }
+}
+
 const char *u_prim_name( unsigned pipe_prim );
 
 #endif