spirv: add double support to _vtn_block_load_store()

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/compiler/spirv/vtn_variables.c

@@ -527,6 +527,7 @@ _vtn_block_load_store(struct vtn_builder *b, nir_intrinsic_op op, bool load,
    case GLSL_TYPE_UINT:
    case GLSL_TYPE_INT:
    case GLSL_TYPE_FLOAT:
+   case GLSL_TYPE_DOUBLE:
    case GLSL_TYPE_BOOL:
       /* This is where things get interesting.  At this point, we've hit
        * a vector, a scalar, or a matrix.