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use winapi::um::{d3d11, d3d11_1, d3dcommon};
use wio::{com::ComPtr, wide::ToWide};
use std::{env, ffi::OsStr, fmt};
#[must_use]
pub struct DebugScope {
annotation: ComPtr<d3d11_1::ID3DUserDefinedAnnotation>,
}
impl DebugScope {
// TODO: Not used currently in release, will be used in the future
#[allow(dead_code)]
pub fn with_name(
context: &ComPtr<d3d11::ID3D11DeviceContext>,
args: fmt::Arguments,
) -> Option<Self> {
let name = format!("{}", args);
// debugging with visual studio and its ilk *really* doesn't like calling this on a
// deferred context when replaying a capture, compared to renderdoc
if unsafe { context.GetType() } == d3d11::D3D11_DEVICE_CONTEXT_DEFERRED {
// TODO: find a better way to detect either if RD or VS is active debugger
if env::var("GFX_NO_RENDERDOC").is_ok() {
return None;
}
}
let annotation = context
.cast::<d3d11_1::ID3DUserDefinedAnnotation>()
.unwrap();
let msg: &OsStr = name.as_ref();
let msg: Vec<u16> = msg.to_wide_null();
unsafe {
annotation.BeginEvent(msg.as_ptr() as _);
}
Some(DebugScope { annotation })
}
}
impl Drop for DebugScope {
fn drop(&mut self) {
unsafe {
self.annotation.EndEvent();
}
}
}
pub fn debug_marker(context: &ComPtr<d3d11::ID3D11DeviceContext>, name: &str) {
// same here
if unsafe { context.GetType() } == d3d11::D3D11_DEVICE_CONTEXT_DEFERRED {
if env::var("GFX_NO_RENDERDOC").is_ok() {
return;
}
}
let annotation = context
.cast::<d3d11_1::ID3DUserDefinedAnnotation>()
.unwrap();
let msg: &OsStr = name.as_ref();
let msg: Vec<u16> = msg.to_wide_null();
unsafe {
annotation.SetMarker(msg.as_ptr() as _);
}
}
pub fn verify_debug_ascii(name: &str) -> bool {
let res = name.is_ascii();
if !res {
error!("DX11 buffer names must be ASCII");
}
res
}
/// Set the debug name of a resource.
///
/// Must be ASCII.
///
/// SetPrivateData will copy the data internally so the data doesn't need to live.
pub fn set_debug_name(resource: &d3d11::ID3D11DeviceChild, name: &str) {
unsafe {
resource.SetPrivateData(
(&d3dcommon::WKPDID_D3DDebugObjectName) as *const _,
name.len() as _,
name.as_ptr() as *const _,
);
}
}
/// Set the debug name of a resource with a given suffix.
///
/// Must be ASCII.
///
/// The given string will be mutated to add the suffix, then restored to it's original state.
/// This saves an allocation. SetPrivateData will copy the data internally so the data doesn't need to live.
pub fn set_debug_name_with_suffix(
resource: &d3d11::ID3D11DeviceChild,
name: &mut String,
suffix: &str,
) {
name.push_str(suffix);
unsafe {
resource.SetPrivateData(
(&d3dcommon::WKPDID_D3DDebugObjectName) as *const _,
name.len() as _,
name.as_ptr() as *const _,
);
}
name.drain((name.len() - suffix.len())..);
}
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