qt-everywhere-src-5.15.1/qtbase/src/angle/patches/0007-ANGLE-Fix-resizing-of-windows.patch

From f1568e10c2bd46450adebbd838bd32e4833a0a5c Mon Sep 17 00:00:00 2001
From: Oliver Wolff <oliver.wolff@qt.io>
Date: Wed, 22 Aug 2018 13:32:44 +0200
Subject: [PATCH 7/8] ANGLE: Fix resizing of windows

Use the correct height/width values when calculating
the vector for resizing the window content and the
new size as viewport size.

Task-number: QTBUG-62475
Change-Id: I33a8dc1379a908e991b04bc31dfc6254a6d005c9
---
 .../src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp   | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
index 05bb5d9863..dcfd06484d 100644
--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
@@ -796,16 +796,15 @@ EGLint SwapChain11::copyOffscreenToBackbuffer(const gl::Context *context,
     d3d11::PositionTexCoordVertex *vertices = static_cast<d3d11::PositionTexCoordVertex*>(mappedResource.pData);
 
     // Create a quad in homogeneous coordinates
-    float x1 = (x / float(mWidth)) * 2.0f - 1.0f;
-    float y1 = (y / float(mHeight)) * 2.0f - 1.0f;
-    float x2 = ((x + width) / float(mWidth)) * 2.0f - 1.0f;
-    float y2 = ((y + height) / float(mHeight)) * 2.0f - 1.0f;
-
-    float u1 = x / float(mWidth);
-    float v1 = y / float(mHeight);
-    float u2 = (x + width) / float(mWidth);
-    float v2 = (y + height) / float(mHeight);
-
+    float x1 = (x / float(width)) * 2.0f - 1.0f;
+    float y1 = (y / float(height)) * 2.0f - 1.0f;
+    float x2 = ((x + width) / float(width)) * 2.0f - 1.0f;
+    float y2 = ((y + height) / float(height)) * 2.0f - 1.0f;
+
+    float u1 = x / float(width);
+    float v1 = y / float(height);
+    float u2 = (x + width) / float(width);
+    float v2 = (y + height) / float(height);
     // Invert the quad vertices depending on the surface orientation.
     if ((mOrientation & EGL_SURFACE_ORIENTATION_INVERT_X_ANGLE) != 0)
     {
-- 
2.15.0.windows.1