From 63982bf6b715d4adc9dbf1c0ed119e110161a8f5 Mon Sep 17 00:00:00 2001
From: Alessandro Vetere <iminelink@gmail.com>
Date: Fri, 16 Aug 2019 15:45:11 +0200
Subject: [PATCH] GSdx-hw OGL: fix PBO pool map size.

Round up mapping size for alignment before computing
wrapped pointer.
Avoids memcpy after end of PBO buffer.
---
 plugins/GSdx/Renderers/OpenGL/GSTextureOGL.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/plugins/GSdx/Renderers/OpenGL/GSTextureOGL.cpp b/plugins/GSdx/Renderers/OpenGL/GSTextureOGL.cpp
index 0fed07d4ea..f0e871f0f3 100644
--- a/plugins/GSdx/Renderers/OpenGL/GSTextureOGL.cpp
+++ b/plugins/GSdx/Renderers/OpenGL/GSTextureOGL.cpp
@@ -69,7 +69,8 @@ namespace PboPool {
 
 	char* Map(uint32 size) {
 		char* map;
-		m_size = size;
+		// Note: keep offset aligned for SSE/AVX
+		m_size = (size + 63) & ~0x3F;
 
 		if (m_size > m_pbo_size) {
 			fprintf(stderr, "BUG: PBO too small %u but need %u\n", m_pbo_size, m_size);
@@ -142,8 +143,7 @@ namespace PboPool {
 	}
 
 	void EndTransfer() {
-		// Note: keep offset aligned for SSE/AVX
-		m_offset += (m_size + 63) & ~0x3F;
+		m_offset += m_size;
 	}
 }