diff --git a/plugins/GSdx/GSDeviceOGL.cpp b/plugins/GSdx/GSDeviceOGL.cpp
index dcf5ff89b8..6c33e09ed8 100644
--- a/plugins/GSdx/GSDeviceOGL.cpp
+++ b/plugins/GSdx/GSDeviceOGL.cpp
@@ -673,7 +673,7 @@ GSTexture* GSDeviceOGL::CopyOffscreen(GSTexture* src, const GSVector4& sRect, in
 		format = GL_RGBA8;
 
 	ASSERT(src);
-	ASSERT(format == GL_RGBA8 || format == GL_R16UI);
+	ASSERT(format == GL_RGBA8 || format == GL_R16UI || format == GL_R32UI);
 
 	GSTexture* dst = CreateOffscreen(w, h, format);
 
diff --git a/plugins/GSdx/GSDeviceOGL.h b/plugins/GSdx/GSDeviceOGL.h
index 24a956ad7c..421c64bb24 100644
--- a/plugins/GSdx/GSDeviceOGL.h
+++ b/plugins/GSdx/GSDeviceOGL.h
@@ -306,7 +306,7 @@ class GSDeviceOGL : public GSDevice
 				uint32 tcoffsethack:1;
 				//uint32 point_sampler:1; Not tested, so keep the bit for blend
 				uint32 iip:1;
-				// Next param will be handle by subroutine
+				// Next param will be handle by subroutine (broken currently)
 				uint32 colclip:2;
 				uint32 atst:3;
 
diff --git a/plugins/GSdx/GSRendererHW.cpp b/plugins/GSdx/GSRendererHW.cpp
index 0d4af0ec02..169b1e4e8b 100644
--- a/plugins/GSdx/GSRendererHW.cpp
+++ b/plugins/GSdx/GSRendererHW.cpp
@@ -308,7 +308,7 @@ void GSRendererHW::Draw()
 {
 	if(m_dev->IsLost() || GSRenderer::IsBadFrame(m_skip, m_userhacks_skipdraw)) {
 		if (s_dump) {
-			fprintf(stderr, "Warning skipping a draw call\n");
+			fprintf(stderr, "Warning skipping a draw call (%d)\n", s_n);
 		}
 		s_n += 3; // Keep it sync with SW renderer
 		return;
diff --git a/plugins/GSdx/GSTextureCacheOGL.cpp b/plugins/GSdx/GSTextureCacheOGL.cpp
index 743103c7d2..572550f671 100644
--- a/plugins/GSdx/GSTextureCacheOGL.cpp
+++ b/plugins/GSdx/GSTextureCacheOGL.cpp
@@ -30,13 +30,6 @@ GSTextureCacheOGL::GSTextureCacheOGL(GSRenderer* r)
 
 void GSTextureCacheOGL::Read(Target* t, const GSVector4i& r)
 {
-	if(t->m_type != RenderTarget)
-	{
-		ASSERT(0);
-
-		return;
-	}
-
 	if(!t->m_dirty.empty())
 	{
 		return;
@@ -63,17 +56,18 @@ void GSTextureCacheOGL::Read(Target* t, const GSVector4i& r)
 		case PSM_PSMZ32:
 			fmt = GL_R32UI;
 			ps_shader = 10;
-			return;
+			break;
 
 		case PSM_PSMZ24:
 			fmt = GL_R32UI;
 			ps_shader = 10;
-			return;
+			break;
 
 		case PSM_PSMZ16:
+		case PSM_PSMZ16S:
 			fmt = GL_R16UI;
 			ps_shader = 10;
-			return;
+			break;
 
 		default:
 			return;
@@ -112,6 +106,17 @@ void GSTextureCacheOGL::Read(Target* t, const GSVector4i& r)
 				case PSM_PSMCT16S:
 					m_renderer->m_mem.WritePixel16(m.bits, m.pitch, off, r);
 					break;
+
+				case PSM_PSMZ32:
+					m_renderer->m_mem.WritePixel32(m.bits, m.pitch, off, r);
+					break;
+				case PSM_PSMZ24:
+					m_renderer->m_mem.WritePixel24(m.bits, m.pitch, off, r);
+					break;
+				case PSM_PSMZ16:
+				case PSM_PSMZ16S:
+					m_renderer->m_mem.WritePixel16(m.bits, m.pitch, off, r);
+
 				default:
 					ASSERT(0);
 			}
diff --git a/plugins/GSdx/GSTextureOGL.cpp b/plugins/GSdx/GSTextureOGL.cpp
index 6bc2c2c9c7..b84da5ee1e 100644
--- a/plugins/GSdx/GSTextureOGL.cpp
+++ b/plugins/GSdx/GSTextureOGL.cpp
@@ -210,9 +210,10 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read)
 
 	// Bunch of constant parameter
 	switch (m_format) {
+		case GL_R32UI:
 		case GL_R32I:
 			m_int_format    = GL_RED_INTEGER;
-			m_int_type      = GL_INT;
+			m_int_type      = (m_format == GL_R32UI) ? GL_UNSIGNED_INT : GL_INT;
 			m_int_alignment = 4;
 			m_int_shift     = 2;
 			break;