From e7a8d3f854825fbcbf70c89905fae8d035fe8598 Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Wed, 6 Feb 2013 01:05:19 +0100
Subject: [PATCH] check for GL_ARB_sync, it's in ogl 3.2

---
 Source/Core/VideoCommon/Src/VideoConfig.h           | 1 +
 Source/Plugins/Plugin_VideoOGL/Src/Render.cpp       | 2 ++
 Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp | 6 ++++--
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/Source/Core/VideoCommon/Src/VideoConfig.h b/Source/Core/VideoCommon/Src/VideoConfig.h
index 886ed15311..84a2321103 100644
--- a/Source/Core/VideoCommon/Src/VideoConfig.h
+++ b/Source/Core/VideoCommon/Src/VideoConfig.h
@@ -165,6 +165,7 @@ struct VideoConfig
 		bool bSupportsGLSLUBO;
 		bool bSupportsGLSLCache;
 		bool bSupportsGLPinnedMemory;
+		bool bSupportsGLSync;
 	} backend_info;
 
     // Utility
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
index a319fa6301..46b085670b 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
@@ -309,6 +309,8 @@ Renderer::Renderer()
 	
 	g_Config.backend_info.bSupportsGLPinnedMemory = GLEW_AMD_pinned_memory;
 	
+	g_Config.backend_info.bSupportsGLSync = GLEW_ARB_sync;
+	
 	//TODO: revert this after cache is fixed itself
 	g_Config.backend_info.bSupportsGLSLCache = false; // GLEW_ARB_get_program_binary
 
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp b/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
index 1f4f8f50b0..dd9d59224a 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
@@ -38,10 +38,12 @@ StreamBuffer::StreamBuffer(u32 type, size_t size, StreamType uploadType)
 	
 	if(m_uploadtype == STREAM_DETECT)
 	{
-		if(g_Config.backend_info.bSupportsGLPinnedMemory)
+		if(g_Config.backend_info.bSupportsGLPinnedMemory && g_Config.backend_info.bSupportsGLSync)
 			m_uploadtype = PINNED_MEMORY;
-		else
+		else if(g_Config.backend_info.bSupportsGLSync)
 			m_uploadtype = MAP_AND_RISK;
+		else 
+			m_uploadtype = MAP_AND_ORPHAN;
 	}
 	
 	Init();