From 25255a8b9147d27aa40b28d6aadb62c0ab275d32 Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Wed, 22 Apr 2026 15:40:32 -0400
Subject: simplify rendering pipeline. add gridlines to tacmap

---
 src/wgpuctx/pipeline.rs | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'src/wgpuctx/pipeline.rs')

diff --git a/src/wgpuctx/pipeline.rs b/src/wgpuctx/pipeline.rs
index 7606203..0811800 100644
--- a/src/wgpuctx/pipeline.rs
+++ b/src/wgpuctx/pipeline.rs
@@ -12,7 +12,9 @@ pub struct RenderPipelineBuilder<'a>
     vertex_comp_options: Option<wgpu::PipelineCompilationOptions<'a>>,
     fragment_comp_options: Option<wgpu::PipelineCompilationOptions<'a>>,
 
-    vertex_buffer_layouts: Vec<wgpu::VertexBufferLayout<'a>>
+    vertex_buffer_layouts: Vec<wgpu::VertexBufferLayout<'a>>,
+
+    cull_mode: Option<wgpu::Face>
 }
 
 impl<'a> RenderPipelineBuilder<'a>
@@ -30,7 +32,9 @@ impl<'a> RenderPipelineBuilder<'a>
             vertex_comp_options: None,
             fragment_comp_options: None,
 
-            vertex_buffer_layouts: Vec::new()
+            vertex_buffer_layouts: Vec::new(),
+
+            cull_mode: Some(wgpu::Face::Back)
         }
     }
 
@@ -50,6 +54,13 @@ impl<'a> RenderPipelineBuilder<'a>
         self
     }
 
+    pub fn cull_mode(
+        mut self,
+        mode: Option<wgpu::Face>
+    ) -> Self {
+        self.cull_mode = mode; self
+    }
+
     pub fn build(
         self,
         label: Option<&'static str>,
@@ -101,7 +112,7 @@ impl<'a> RenderPipelineBuilder<'a>
                     topology: wgpu::PrimitiveTopology::TriangleList,
                     strip_index_format: None,
                     front_face: wgpu::FrontFace::Ccw,
-                    cull_mode: Some(wgpu::Face::Back),
+                    cull_mode: self.cull_mode,
                     polygon_mode: wgpu::PolygonMode::Fill,
                     unclipped_depth: false,
                     conservative: false
-- 
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