v3d,v3dv: stop copying and pasting the translate_swizzle helper

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17509>

src/broadcom/common/v3d_util.c

@@ -122,3 +122,24 @@ v3d_choose_tile_size(uint32_t color_attachment_count, uint32_t max_color_bpp,
    *width = tile_sizes[idx * 2];
    *height = tile_sizes[idx * 2 + 1];
 }
+
+/* Translates a pipe swizzle to the swizzle values used in the
+ * TEXTURE_SHADER_STATE packet.
+ */
+uint32_t
+v3d_translate_pipe_swizzle(enum pipe_swizzle swizzle)
+{
+   switch (swizzle) {
+   case PIPE_SWIZZLE_0:
+      return 0;
+   case PIPE_SWIZZLE_1:
+      return 1;
+   case PIPE_SWIZZLE_X:
+   case PIPE_SWIZZLE_Y:
+   case PIPE_SWIZZLE_Z:
+   case PIPE_SWIZZLE_W:
+      return 2 + swizzle;
+   default:
+      unreachable("unknown swizzle");
+   }
+}

src/broadcom/common/v3d_util.h

@@ -25,6 +25,7 @@
 #define V3D_UTIL_H
 
 #include "common/v3d_device_info.h"
+#include "pipe/p_defines.h"
 
 uint32_t
 v3d_csd_choose_workgroups_per_supergroup(struct v3d_device_info *devinfo,
@@ -39,4 +40,7 @@ v3d_choose_tile_size(uint32_t color_attachment_count, uint32_t max_color_bpp,
                      bool msaa, bool double_buffer,
                      uint32_t *width, uint32_t *height);
 
+uint32_t
+v3d_translate_pipe_swizzle(enum pipe_swizzle swizzle);
+
 #endif