Implement VK_KHR_draw_indirect_count

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Gabriel Dube 2020-04-11 06:19:22 -04:00 committed by GitHub
parent e575b233e5
commit 1f7dd9114d
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2 changed files with 76 additions and 0 deletions

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@ -0,0 +1,74 @@
#![allow(dead_code)]
use crate::version::{DeviceV1_0, InstanceV1_0};
use crate::vk;
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct DrawIndirectCount {
handle: vk::Device,
draw_indirect_count_fn: vk::KhrDrawIndirectCountFn,
}
impl DrawIndirectCount {
pub fn new<I: InstanceV1_0, D: DeviceV1_0>(instance: &I, device: &D) -> DrawIndirectCount {
let draw_indirect_count_fn = vk::KhrDrawIndirectCountFn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr()))
});
DrawIndirectCount {
handle: device.handle(),
draw_indirect_count_fn,
}
}
pub fn name() -> &'static CStr {
vk::KhrDrawIndirectCountFn::name()
}
#[doc = "<https://www.khronos.org/registry/vulkan/specs/1.1-extensions/man/html/vkCmdDrawIndexedIndirectCountKHR.html>"]
pub unsafe fn cmd_draw_indexed_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.draw_indirect_count_fn
.cmd_draw_indexed_indirect_count_khr(
command_buffer,
buffer,
offset,
count_buffer,
count_buffer_offset,
max_draw_count,
stride,
);
}
#[doc = "<https://www.khronos.org/registry/vulkan/specs/1.1-extensions/man/html/vkCmdDrawIndirectCountKHR.html>"]
pub unsafe fn cmd_draw_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.draw_indirect_count_fn
.cmd_draw_indexed_indirect_count_khr(
command_buffer,
buffer,
offset,
count_buffer,
count_buffer_offset,
max_draw_count,
stride,
);
}
}

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@ -1,6 +1,7 @@
pub use self::android_surface::AndroidSurface;
pub use self::display::Display;
pub use self::display_swapchain::DisplaySwapchain;
pub use self::draw_indirect_count::DrawIndirectCount;
pub use self::external_memory_fd::ExternalMemoryFd;
pub use self::push_descriptor::PushDescriptor;
pub use self::ray_tracing::RayTracing;
@ -15,6 +16,7 @@ pub use self::xlib_surface::XlibSurface;
mod android_surface;
mod display;
mod display_swapchain;
mod draw_indirect_count;
mod external_memory_fd;
mod push_descriptor;
mod ray_tracing;