From 0cd40028d998fbd986344cd4eea3c892e5bc649a Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Sun, 18 Apr 2021 00:16:17 +1000
Subject: [PATCH] openglrenderer: use effective texture size rather than
 virtual size

Oof, this was an oopsie. This appears to fix the issues on AMD and some Intel
GPUs (the most prominent issues at least).
---
 app/render/opengl/openglrenderer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/render/opengl/openglrenderer.cpp b/app/render/opengl/openglrenderer.cpp
index 5b4fe5e82..9047a6b73 100644
--- a/app/render/opengl/openglrenderer.cpp
+++ b/app/render/opengl/openglrenderer.cpp
@@ -327,8 +327,8 @@ void OpenGLRenderer::DownloadFromTexture(Texture* texture, void *data, int lines
     PRINT_GL_ERRORS;
     functions_->glReadPixels(0,
                              0,
-                             p.width(),
-                             p.height(),
+                             p.effective_width(),
+                             p.effective_height(),
                              (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGLES) ? GL_RGBA : GetPixelFormat(p.channel_count()),
                              GetPixelType(p.format()),
                              data);