extensions/ext: Add VK_EXT_mesh_shader (#657)

This commit is contained in:
BeastLe9enD 2022-09-26 00:31:28 +02:00 committed by Marijn Suijten
parent 38543a1643
commit c2f21d2949
3 changed files with 97 additions and 0 deletions

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@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Added new functions to `VK_KHR_swapchain`, available since Vulkan 1.1 (#629)
- Added `VK_KHR_device_group_creation` instance extension (#630)
- Added `VK_KHR_device_group` device extension (#631)
- Added `VK_EXT_mesh_shader` device extension (#657)
### Fixed

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@ -0,0 +1,94 @@
use crate::vk;
use crate::{Device, Instance};
use std::ffi::CStr;
use std::mem;
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_EXT_mesh_shader.html>
#[derive(Clone)]
pub struct MeshShader {
fp: vk::ExtMeshShaderFn,
}
impl MeshShader {
pub fn new(instance: &Instance, device: &Device) -> Self {
let fp = vk::ExtMeshShaderFn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr()))
});
Self { fp }
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkCmdDrawMeshTasksEXT.html>
#[inline]
pub unsafe fn cmd_draw_mesh_tasks(
&self,
command_buffer: vk::CommandBuffer,
group_count_x: u32,
group_count_y: u32,
group_count_z: u32,
) {
(self.fp.cmd_draw_mesh_tasks_ext)(
command_buffer,
group_count_x,
group_count_y,
group_count_z,
);
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkCmdDrawMeshTasksIndirectEXT.html>
///
/// `buffer` contains `draw_count` [`vk::DrawMeshTasksIndirectCommandEXT`] structures starting at `offset` in bytes, holding the draw parameters.
#[inline]
pub unsafe fn cmd_draw_mesh_tasks_indirect(
&self,
command_buffer: vk::CommandBuffer,
buffer: vk::Buffer,
offset: vk::DeviceSize,
draw_count: u32,
stride: u32,
) {
(self.fp.cmd_draw_mesh_tasks_indirect_ext)(
command_buffer,
buffer,
offset,
draw_count,
stride,
);
}
/// <https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/vkCmdDrawMeshTasksIndirectCountEXT.html>
///
/// `buffer` contains a maximum of `max_draw_count` [`vk::DrawMeshTasksIndirectCommandEXT`] structures starting at `offset` in bytes, holding the draw parameters.
/// `count_buffer` is the buffer containing the draw count, starting at `count_buffer_offset` in bytes.
/// The actual number of executed draw calls is the minimum of the count specified in `count_buffer` and `max_draw_count`.
#[inline]
pub unsafe fn cmd_draw_mesh_tasks_indirect_count(
&self,
command_buffer: vk::CommandBuffer,
buffer: vk::Buffer,
offset: vk::DeviceSize,
count_buffer: vk::Buffer,
count_buffer_offset: vk::DeviceSize,
max_draw_count: u32,
stride: u32,
) {
(self.fp.cmd_draw_mesh_tasks_indirect_count_ext)(
command_buffer,
buffer,
offset,
count_buffer,
count_buffer_offset,
max_draw_count,
stride,
);
}
#[inline]
pub const fn name() -> &'static CStr {
vk::ExtMeshShaderFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::ExtMeshShaderFn {
&self.fp
}
}

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@ -11,6 +11,7 @@ pub use self::full_screen_exclusive::FullScreenExclusive;
pub use self::headless_surface::HeadlessSurface;
pub use self::image_compression_control::ImageCompressionControl;
pub use self::image_drm_format_modifier::ImageDrmFormatModifier;
pub use self::mesh_shader::MeshShader;
pub use self::metal_surface::MetalSurface;
pub use self::physical_device_drm::PhysicalDeviceDrm;
pub use self::private_data::PrivateData;
@ -30,6 +31,7 @@ mod full_screen_exclusive;
mod headless_surface;
mod image_compression_control;
mod image_drm_format_modifier;
mod mesh_shader;
mod metal_surface;
mod physical_device_drm;
mod private_data;