From ed52f586af759e55f3d15fe4bb31585b90333b37 Mon Sep 17 00:00:00 2001
From: "Pierre-Loup A. Griffais" <git@plagman.net>
Date: Wed, 11 Dec 2019 23:42:28 -0800
Subject: [PATCH] Add more float comparisons. Every project should have at
 least 4.

---
 src/composite.comp.hlsl | 10 +++++++++-
 src/rendervulkan.cpp    |  5 +++++
 src/rendervulkan.hpp    |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/composite.comp.hlsl b/src/composite.comp.hlsl
index 101f6c8..9da5d43 100644
--- a/src/composite.comp.hlsl
+++ b/src/composite.comp.hlsl
@@ -3,6 +3,7 @@
 [[vk::binding(1, 0)]] cbuffer compositeDesc
 {
 	float flLayerCount;
+	float flSwapChannels;
 
     float flScale0X;
     float flScale0Y;
@@ -64,5 +65,12 @@ void main(
 		outputValue = layerSample * layerAlpha + outputValue * ( 1.0 - layerAlpha );
 	}
 	
-    outImage [index] = outputValue;
+	if ( flSwapChannels == 1.0 )
+	{
+		outImage [index] = outputValue.bgra;
+    }
+    else
+    {
+		outImage [index] = outputValue;
+    }
 }
diff --git a/src/rendervulkan.cpp b/src/rendervulkan.cpp
index a6f9015..a6801b3 100644
--- a/src/rendervulkan.cpp
+++ b/src/rendervulkan.cpp
@@ -1023,6 +1023,11 @@ void vulkan_update_descriptor( struct VulkanPipeline_t *pPipeline )
 
 bool vulkan_composite( struct Composite_t *pComposite, struct VulkanPipeline_t *pPipeline )
 {
+	if ( BIsNested() == false && DRMFormatNeedsSwizzle( g_nDRMFormat ) )
+	{
+		pComposite->flSwapChannels = 1.0;
+	}
+
 	*g_pCompositeBuffer = *pComposite;
 	// XXX maybe flush something?
 	
diff --git a/src/rendervulkan.hpp b/src/rendervulkan.hpp
index 445907a..e1613c1 100644
--- a/src/rendervulkan.hpp
+++ b/src/rendervulkan.hpp
@@ -28,6 +28,7 @@ struct VulkanPipeline_t
 struct Composite_t
 {
 	float flLayerCount;
+	float flSwapChannels;
 	
 	struct
 	{