vk/image: Add anv_image::surf_type

This the gen SurfaceType, such as SURFTYPE_2D.

src/vulkan/image.c

@@ -129,6 +129,9 @@ VkResult anv_image_create(
    image->swap_chain = NULL;
    image->tile_mode = anv_image_choose_tile_mode(pCreateInfo, extra);
 
+   /* TODO(chadv): How should we validate inputs? */
+   image->surf_type = anv_surf_type_from_image_type[pCreateInfo->imageType];
+
    assert(image->extent.width > 0);
    assert(image->extent.height > 0);
    assert(image->extent.depth > 0);

src/vulkan/private.h

@@ -814,6 +814,9 @@ struct anv_image {
    uint8_t h_align;
    uint8_t v_align;
    /** \} */
+
+   /** RENDER_SURFACE_STATE.SurfaceType */
+   uint8_t surf_type;
 };
 
 struct anv_surface_view {