From 45f7e07832ddfa04f7c647844e758aad00f4a0ff Mon Sep 17 00:00:00 2001
From: Mirsfang <mirsfang@163.com>
Date: Sat, 16 Jan 2021 05:59:09 +0800
Subject: [PATCH] fix material use (#3417)

* fix material use

* Update filament/src/PostProcessManager.cpp

Co-authored-by: Mathias Agopian <pixelflinger@gmail.com>
---
 filament/src/PostProcessManager.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/filament/src/PostProcessManager.cpp b/filament/src/PostProcessManager.cpp
index 7924a6af36..edcee0621a 100644
--- a/filament/src/PostProcessManager.cpp
+++ b/filament/src/PostProcessManager.cpp
@@ -1482,6 +1482,9 @@ void PostProcessManager::colorGradingSubpass(DriverApi& driver,  bool translucen
     Handle<HwRenderPrimitive> const& fullScreenRenderPrimitive = engine.getFullScreenRenderPrimitive();
 
     auto const& material = getPostProcessMaterial("colorGradingAsSubpass");
+    // the UBO has been set and committed in colorGradingPrepareSubpass()
+    FMaterialInstance* mi = material.getMaterialInstance();
+    mi->use(driver);
     const uint8_t variant = uint8_t(translucent ?
             PostProcessVariant::TRANSLUCENT : PostProcessVariant::OPAQUE);