From 3de73d70bb370f48c88502693bfb2f71fd3fbc26 Mon Sep 17 00:00:00 2001
From: AlbinBernhardssonARM <albin.bernhardsson@arm.com>
Date: Mon, 26 Jun 2023 12:21:51 +0200
Subject: [PATCH] Implement unclipped_depth

---
 src/conv.rs | 12 ++++++++++++
 src/lib.rs  |  9 +++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/conv.rs b/src/conv.rs
index 47f6b984..bc5f97a7 100644
--- a/src/conv.rs
+++ b/src/conv.rs
@@ -894,6 +894,18 @@ pub fn map_stencil_face_state(
     }
 }
 
+#[inline]
+pub fn map_primitive_state(
+    _ : &native::WGPUPrimitiveState,
+    depth_clip_control : Option<&native::WGPUPrimitiveDepthClipControl>
+) -> bool {
+    if let Some(depth_clip_control) = depth_clip_control {
+        return depth_clip_control.unclippedDepth;
+    }
+
+    false
+}
+
 #[inline]
 pub fn map_storage_report(report: wgc::hub::StorageReport) -> native::WGPUStorageReport {
     native::WGPUStorageReport {
diff --git a/src/lib.rs b/src/lib.rs
index 9b55b275..93b92068 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,7 @@
 use conv::{
     map_adapter_options, map_device_descriptor, map_instance_backend_flags,
     map_instance_descriptor, map_pipeline_layout_descriptor, map_shader_module, map_surface,
-    map_swapchain_descriptor, write_limits_struct, CreateSurfaceParams,
+    map_swapchain_descriptor, map_primitive_state, write_limits_struct, CreateSurfaceParams,
 };
 use std::{
     borrow::Cow,
@@ -1839,7 +1839,12 @@ pub unsafe extern "C" fn wgpuDeviceCreateRenderPipeline(
                 native::WGPUCullMode_Back => Some(wgt::Face::Back),
                 _ => panic!("invalid cull mode for primitive state"),
             },
-            unclipped_depth: false, // todo: fill this via extras
+            unclipped_depth: follow_chain!(
+                map_primitive_state(
+                    &descriptor.primitive,
+                    WGPUSType_PrimitiveDepthClipControl => native::WGPUPrimitiveDepthClipControl
+                )
+            ),
             polygon_mode: wgt::PolygonMode::Fill,
             conservative: false,
         },