nvk: Better advertise image format features

We now advertise the top-level features and we don't falsely claim
write-without-format support per-format.  In theory, NV hardware should
be able to do shaderStorageImageReadWithoutFormat but codegen doesn't
know how yet.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>

src/nouveau/vulkan/nvk_image.c

@@ -36,7 +36,6 @@ nvk_get_image_format_features(struct nvk_physical_device *pdevice,
 
    if (nvk_is_storage_image_format(vk_format)) {
       features |= VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT |
-                  VK_FORMAT_FEATURE_2_STORAGE_READ_WITHOUT_FORMAT_BIT |
                   VK_FORMAT_FEATURE_2_STORAGE_WRITE_WITHOUT_FORMAT_BIT;
    }
 

src/nouveau/vulkan/nvk_physical_device.c

@@ -32,6 +32,8 @@ nvk_GetPhysicalDeviceFeatures2(VkPhysicalDevice physicalDevice,
    pFeatures->features = (VkPhysicalDeviceFeatures) {
       .robustBufferAccess = true,
       /* More features */
+      .shaderStorageImageExtendedFormats = true,
+      .shaderStorageImageWriteWithoutFormat = true,
    };
 
    VkPhysicalDeviceVulkan11Features core_1_1 = {

src/nouveau/vulkan/nvk_shader.c

@@ -89,6 +89,7 @@ nvk_shader_compile_to_nir(struct nvk_device *device,
    const struct spirv_to_nir_options spirv_options = {
       .caps =
       {
+         .image_write_without_format = true,
       },
       .ssbo_addr_format = nir_address_format_64bit_global_32bit_offset,
       .ubo_addr_format = nir_address_format_64bit_global_32bit_offset,