From 83ed478beb57d139c2f7d1a611d42a0303dd2d31 Mon Sep 17 00:00:00 2001
From: Kamil Jarosz <kjarosh256@gmail.com>
Date: Fri, 21 Jun 2024 16:26:40 +0200
Subject: [PATCH] wgpu: Do not use 'packed' as variable name in WGSL shaders

Turns out that 'packed' is a keyword in some GLSL shaders,
and naga currently preserves it, producing a syntax error.

As a workaround, this patch renames the variable to something else.
---
 render/wgpu/shaders/filter/displacement_map.wgsl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/render/wgpu/shaders/filter/displacement_map.wgsl b/render/wgpu/shaders/filter/displacement_map.wgsl
index 544ac25c9..ba79b7f7b 100644
--- a/render/wgpu/shaders/filter/displacement_map.wgsl
+++ b/render/wgpu/shaders/filter/displacement_map.wgsl
@@ -40,8 +40,8 @@ fn main_vertex(in: VertexInput) -> VertexOutput {
     return VertexOutput(pos, in.uv);
 }
 
-fn unpack_components(packed: u32) -> vec2<u32> {
-    return vec2<u32>(packed >> 8u, packed & 15u);
+fn unpack_components(packed_components: u32) -> vec2<u32> {
+    return vec2<u32>(packed_components >> 8u, packed_components & 15u);
 }
 
 fn get_component(map: vec4<f32>, component: u32) -> f32 {