From c4ebdd1f37ac6018f67663bc6f7f01aa6f5f6708 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Sun, 3 Apr 2016 12:30:14 +0200
Subject: [PATCH] gsdx ogl: allow to read the depth buffer

Unfortunately can't be tested on gs dump

Ought to impact #1276 (Incognito/Eat Sleep Play's games, Nocturne too)
---
 plugins/GSdx/GSTextureCache.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/plugins/GSdx/GSTextureCache.cpp b/plugins/GSdx/GSTextureCache.cpp
index 09d1988953..4fbf330d23 100644
--- a/plugins/GSdx/GSTextureCache.cpp
+++ b/plugins/GSdx/GSTextureCache.cpp
@@ -719,6 +719,14 @@ void GSTextureCache::InvalidateLocalMem(GSOffset* off, const GSVector4i& r)
 	// No depth handling please.
 	if (psm == PSM_PSMZ32 || psm == PSM_PSMZ24 || psm == PSM_PSMZ16 || psm == PSM_PSMZ16S) {
 		GL_INS("ERROR: InvalidateLocalMem depth format isn't supported");
+		if (m_can_convert_depth) {
+			for(auto t : m_dst[DepthStencil]) {
+				if(GSUtil::HasSharedBits(bp, psm, t->m_TEX0.TBP0, t->m_TEX0.PSM)) {
+					// Read the full depth buffer for easy testing
+					Read(t, t->m_valid);
+				}
+			}
+		}
 		return;
 	}