From a8bcc760b4e75aba28833d95cdc4f2d94b3bc63e Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Sat, 27 Jun 2015 11:08:29 +0200
Subject: [PATCH] gsdx-tc: only clean RT in openGL

It is a debug feature for myself
---
 plugins/GSdx/GSTextureCache.cpp  | 14 +++++++-------
 plugins/GSdx/GSTextureCache.h    |  1 +
 plugins/GSdx/GSTextureCacheOGL.h |  4 +++-
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/plugins/GSdx/GSTextureCache.cpp b/plugins/GSdx/GSTextureCache.cpp
index b4df5377a4..f338bcb047 100644
--- a/plugins/GSdx/GSTextureCache.cpp
+++ b/plugins/GSdx/GSTextureCache.cpp
@@ -200,12 +200,10 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
 			return NULL;
 		}
 
-#ifdef ENABLE_OGL_DEBUG
 	} else {
 		GL_CACHE("TC: src hit: %d (0x%x F:0x%x)",
 					src->m_texture ? src->m_texture->GetID() : 0,
 					TEX0.TBP0, TEX0.PSM);
-#endif
 	}
 
 	if (src->m_palette)
@@ -308,10 +306,12 @@ GSTextureCache::Target* GSTextureCache::LookupTarget(const GIFRegTEX0& TEX0, int
 			//
 			// From a performance point of view, it might cost a little on big upscaling
 			// but normally few RT are miss so it must remain reasonable.
-			switch (type) {
-				case RenderTarget: m_renderer->m_dev->ClearRenderTarget(dst->m_texture, 0); break;
-				case DepthStencil: m_renderer->m_dev->ClearDepth(dst->m_texture, 0); break;
-				default:break;
+			if (IsOpenGL()) {
+				switch (type) {
+					case RenderTarget: m_renderer->m_dev->ClearRenderTarget(dst->m_texture, 0); break;
+					case DepthStencil: m_renderer->m_dev->ClearDepth(dst->m_texture, 0); break;
+					default:break;
+				}
 			}
 #endif
 	}
@@ -998,7 +998,7 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
 
 		if(tmp != NULL)
 		{
-			// tmp is texture before a MultiSample resolve
+			// tmp is the texture before a MultiSample resolve
 			m_renderer->m_dev->Recycle(dst->m_texture);
 
 			dst->m_texture = tmp;
diff --git a/plugins/GSdx/GSTextureCache.h b/plugins/GSdx/GSTextureCache.h
index 0d337e8662..748f0205c5 100644
--- a/plugins/GSdx/GSTextureCache.h
+++ b/plugins/GSdx/GSTextureCache.h
@@ -128,6 +128,7 @@ protected:
 #endif
 
 	virtual bool CanConvertDepth() { return m_can_convert_depth; }
+	virtual bool IsOpenGL() { return false; }
 
 public:
 	GSTextureCache(GSRenderer* r);
diff --git a/plugins/GSdx/GSTextureCacheOGL.h b/plugins/GSdx/GSTextureCacheOGL.h
index 40840e7670..4e241d4be4 100644
--- a/plugins/GSdx/GSTextureCacheOGL.h
+++ b/plugins/GSdx/GSTextureCacheOGL.h
@@ -28,10 +28,12 @@
 class GSTextureCacheOGL : public GSTextureCache
 {
 protected:
-	int Get8bitFormat() { return GL_R8; /* TODO return DXGI_FORMAT_A8_UNORM;*/}
+	int Get8bitFormat() { return GL_R8;}
 
 	void Read(Target* t, const GSVector4i& r);
 
+	virtual bool IsOpenGL() { return true; }
+
 public:
 	GSTextureCacheOGL(GSRenderer* r);
 };