From 9baf69c765c446b7c8f069ebdd50910877a7d0f8 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@qt.io>
Date: Sat, 5 Oct 2019 16:05:06 +0200
Subject: rhi: gl: Add a feature flag for reading back non-zero mip levels

The joys of "level - Specifies the mipmap level of the texture
image to be attached, which must be 0." for glFramebufferTexture2D
in OpenGL ES 2.0.

Change-Id: Iaf19502f48d7ba73b26abb72535bfa6696a1e182
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
---
 src/gui/rhi/qrhigles2_p_p.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/gui/rhi/qrhigles2_p_p.h')

diff --git a/src/gui/rhi/qrhigles2_p_p.h b/src/gui/rhi/qrhigles2_p_p.h
index 29cccb0c9c..8814d9c19d 100644
--- a/src/gui/rhi/qrhigles2_p_p.h
+++ b/src/gui/rhi/qrhigles2_p_p.h
@@ -753,7 +753,8 @@ public:
               baseVertex(false),
               compute(false),
               textureCompareMode(false),
-              properMapBuffer(false)
+              properMapBuffer(false),
+              nonBaseLevelFramebufferTexture(false)
         { }
         int ctxMajor;
         int ctxMinor;
@@ -785,6 +786,7 @@ public:
         uint compute : 1;
         uint textureCompareMode : 1;
         uint properMapBuffer : 1;
+        uint nonBaseLevelFramebufferTexture : 1;
     } caps;
     QGles2SwapChain *currentSwapChain = nullptr;
     QVector<GLint> supportedCompressedFormats;
-- 
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