From c019f865292505cba53551e9655fa5ff5dbab133 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Tue, 10 May 2016 08:11:28 +0200
Subject: [PATCH] gsdx ogl: add a performance note for a potential channel
 optimization

---
 plugins/GSdx/GSRendererOGL.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/GSdx/GSRendererOGL.cpp b/plugins/GSdx/GSRendererOGL.cpp
index 57f837582d..85d7797191 100644
--- a/plugins/GSdx/GSRendererOGL.cpp
+++ b/plugins/GSdx/GSRendererOGL.cpp
@@ -730,6 +730,9 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
 		glTextureBarrier();
 
 		// Replace current draw with a fullscreen sprite
+		//
+		// Performance GPU note: it could be wise to reduce the size to
+		// the rendered size of the framebuffer
 
 		GSVertex* s = &m_vertex.buff[0];
 		s[0].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 0);