anv: Add anv_image::samples

It's set but not yet used.

src/vulkan/anv_image.c

@@ -204,6 +204,7 @@ anv_image_create(VkDevice _device,
    image->format = anv_format_for_vk_format(pCreateInfo->format);
    image->levels = pCreateInfo->mipLevels;
    image->array_size = pCreateInfo->arrayLayers;
+   image->samples = pCreateInfo->samples;
    image->usage = anv_image_get_full_usage(pCreateInfo);
    image->tiling = pCreateInfo->tiling;
 

src/vulkan/anv_private.h

@@ -1522,6 +1522,7 @@ struct anv_image {
    VkExtent3D extent;
    uint32_t levels;
    uint32_t array_size;
+   uint32_t samples; /**< VkImageCreateInfo::samples */
    VkImageUsageFlags usage; /**< Superset of VkImageCreateInfo::usage. */
    VkImageTiling tiling; /** VkImageCreateInfo::tiling */