From f9557be6f6ee9fddd16e39791d9235dcc74721e2 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@qt.io>
Date: Thu, 22 Feb 2024 16:46:29 +0100
Subject: [PATCH] rhi: gl: take sample count from textures too for RTs

Rendering into a multisample texture (color or depth-stencil) is
supported, but the code only seems to pick up the sample count from
renderbuffers.

Pick-to: 6.6
Change-Id: I95a97debfebc7582f2026282384f6fb97aadfe23
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
(cherry picked from commit ce54e07dacd99ae9d532b6398cdeedc287ee2743)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/gui/rhi/qrhigles2.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp
index 2f0659909f1..32b1ad97521 100644
--- a/src/gui/rhi/qrhigles2.cpp
+++ b/src/gui/rhi/qrhigles2.cpp
@@ -5720,7 +5720,7 @@ bool QGles2TextureRenderTarget::create()
             }
             if (attIndex == 0) {
                 d.pixelSize = rhiD->q->sizeForMipLevel(colorAtt.level(), texD->pixelSize());
-                d.sampleCount = 1;
+                d.sampleCount = texD->sampleCount();
             }
         } else if (renderBuffer) {
             QGles2RenderBuffer *rbD = QRHI_RES(QGles2RenderBuffer, renderBuffer);
@@ -5772,7 +5772,7 @@ bool QGles2TextureRenderTarget::create()
             }
             if (d.colorAttCount == 0) {
                 d.pixelSize = depthTexD->pixelSize();
-                d.sampleCount = 1;
+                d.sampleCount = depthTexD->sampleCount();
             }
         }
         d.dsAttCount = 1;