From 8b71b4b5705a1a39cc1484c58084f8cdc131827e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antti=20M=C3=A4=C3=A4tt=C3=A4?= <antti.maatta@qt.io>
Date: Tue, 29 Mar 2022 15:18:16 +0300
Subject: Set depth mask correctly for clear

Fixes Quick3D Offscreen render mode. The depth mask must also be set for
the clear when depth buffer is used.

Fixes: QTBUG-102128
Change-Id: Ic98133e20007449056ecca14c0fdcfa2f6f81377
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
---
 src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp')

diff --git a/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp b/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
index a6c07d5964..f8f3639f36 100644
--- a/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
+++ b/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
@@ -4024,6 +4024,7 @@ void Renderer::renderBatches()
 
         if (m_useDepthBuffer) {
             glClearDepthf(1); // calls glClearDepth() under the hood for desktop OpenGL
+            glDepthMask(true);
         }
         glColorMask(true, true, true, true);
         glDisable(GL_SCISSOR_TEST);
-- 
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