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// Copyright (c) 2016 The vulkano developers
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE or
// https://www.apache.org/licenses/LICENSE-2.0> or the MIT
// license <LICENSE-MIT or https://opensource.org/licenses/MIT>,
// at your option. All files in the project carrying such
// notice may not be copied, modified, or distributed except
// according to those terms.
use crate::macros::vulkan_bitflags;
vulkan_bitflags! {
/// Describes how a buffer is going to be used. This is **not** just an optimization.
///
/// If you try to use a buffer in a way that you didn't declare, an error will be returned.
#[non_exhaustive]
BufferUsage = BufferUsageFlags(u32);
/// The buffer can be used as a source for transfer, blit, resolve and clear commands.
transfer_src = TRANSFER_SRC,
/// The buffer can be used as a destination for transfer, blit, resolve and clear commands.
transfer_dst = TRANSFER_DST,
/// The buffer can be used as a uniform texel buffer in a descriptor set.
uniform_texel_buffer = UNIFORM_TEXEL_BUFFER,
/// The buffer can be used as a storage texel buffer in a descriptor set.
storage_texel_buffer = STORAGE_TEXEL_BUFFER,
/// The buffer can be used as a uniform buffer in a descriptor set.
uniform_buffer = UNIFORM_BUFFER,
/// The buffer can be used as a storage buffer in a descriptor set.
storage_buffer = STORAGE_BUFFER,
/// The buffer can be used as an index buffer.
index_buffer = INDEX_BUFFER,
/// The buffer can be used as a vertex or instance buffer.
vertex_buffer = VERTEX_BUFFER,
/// The buffer can be used as an indirect buffer.
indirect_buffer = INDIRECT_BUFFER,
/// The buffer's device address can be retrieved.
shader_device_address = SHADER_DEVICE_ADDRESS {
api_version: V1_2,
device_extensions: [khr_buffer_device_address, ext_buffer_device_address],
},
/*
// TODO: document
video_decode_src = VIDEO_DECODE_SRC_KHR {
device_extensions: [khr_video_decode_queue],
},
// TODO: document
video_decode_dst = VIDEO_DECODE_DST_KHR {
device_extensions: [khr_video_decode_queue],
},
// TODO: document
transform_feedback_buffer = TRANSFORM_FEEDBACK_BUFFER_EXT {
device_extensions: [ext_transform_feedback],
},
// TODO: document
transform_feedback_counter_buffer = TRANSFORM_FEEDBACK_COUNTER_BUFFER_EXT {
device_extensions: [ext_transform_feedback],
},
// TODO: document
conditional_rendering = CONDITIONAL_RENDERING_EXT {
device_extensions: [ext_conditional_rendering],
},
// TODO: document
acceleration_structure_build_input_read_only = ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_KHR {
device_extensions: [khr_acceleration_structure],
},
// TODO: document
acceleration_structure_storage = ACCELERATION_STRUCTURE_STORAGE_KHR {
device_extensions: [khr_acceleration_structure],
},
// TODO: document
shader_binding_table = SHADER_BINDING_TABLE_KHR {
device_extensions: [khr_ray_tracing_pipeline, nv_ray_tracing],
},
// TODO: document
video_encode_dst = VIDEO_ENCODE_DST_KHR {
device_extensions: [khr_video_encode_queue],
},
// TODO: document
video_encode_src = VIDEO_ENCODE_SRC_KHR {
device_extensions: [khr_video_encode_queue],
},
*/
}