d3d11 0.3.0

Safe(r) bindings to the D3D11 API
Documentation 
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use std::mem::transmute;

use bon::Builder;
use d3d11_ffi::Direct3D11::*;

use crate::{dxgi, impl_device_child, verify_ffi_struct};

#[repr(transparent)]
#[derive(Clone)]
pub struct RenderTargetView(pub(crate) ID3D11RenderTargetView);
impl_device_child!(RenderTargetView);

impl RenderTargetView {
    pub fn get_desc(&self) -> RenderTargetViewDesc {
        unsafe {
            let mut desc = D3D11_RENDER_TARGET_VIEW_DESC::default();
            self.0.GetDesc(&mut desc);
            transmute(desc)
        }
    }
}

#[repr(C)]
#[derive(Builder, Clone)]
pub struct RenderTargetViewDesc {
    pub format: dxgi::Format,
    pub view_dimension: RtvDimension,
}
verify_ffi_struct!(RenderTargetViewDesc, D3D11_RENDER_TARGET_VIEW_DESC);

#[repr(i32)]
#[derive(Clone)]
pub enum RtvDimension {
    Buffer {
        first_element_or_element_offset: u32,
        num_elements_or_element_width: u32,
    } = D3D11_RTV_DIMENSION_BUFFER.0,
    Texture1D {
        mip_slice: u32,
    } = D3D11_RTV_DIMENSION_TEXTURE1D.0,
    Texture1DArray {
        mip_slice: u32,
        first_array_element: u32,
        array_size: u32,
    } = D3D11_RTV_DIMENSION_TEXTURE1DARRAY.0,
    Texture2D {
        mip_slice: u32,
    } = D3D11_RTV_DIMENSION_TEXTURE2D.0,
    Texture2DArray {
        mip_slice: u32,
        first_array_element: u32,
        array_size: u32,
    } = D3D11_RTV_DIMENSION_TEXTURE2DARRAY.0,
    Texture2DMS = D3D11_RTV_DIMENSION_TEXTURE2DMS.0,
    Texture2DMSArray {
        first_array_slice: u32,
        array_size: u32,
    } = D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY.0,
    Texture3D {
        mip_slice: u32,
        first_w_slice: u32,
        w_size: u32,
    } = D3D11_RTV_DIMENSION_TEXTURE3D.0,
}