From bd96a73580033786b08545296ae48107c8e28d54 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Wed, 13 May 2015 08:49:32 +0200
Subject: [PATCH] gsdx-debug: trace texture cache hit/miss/removal

Actually only a small part but I think it is enough to help debugging
tc issue.
Only enable it on debug because it is quite verbose
---
 plugins/GSdx/GSTextureCache.cpp | 23 ++++++++++++++++++++++-
 plugins/GSdx/stdafx.h           |  6 ++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/plugins/GSdx/GSTextureCache.cpp b/plugins/GSdx/GSTextureCache.cpp
index dbec297e0a..70ba3c3bfd 100644
--- a/plugins/GSdx/GSTextureCache.cpp
+++ b/plugins/GSdx/GSTextureCache.cpp
@@ -128,12 +128,29 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
 
 	if(src == NULL)
 	{
+#ifdef ENABLE_OGL_DEBUG
+		if (dst) {
+			GL_CACHE(format("TC: dst hit: %d (%x)",
+						dst->m_texture ? dst->m_texture->GetID() : 0,
+						TEX0.TBP0
+						).c_str());
+		} else {
+			GL_CACHE(format("TC: src miss (%x)", TEX0.TBP0).c_str());
+		}
+#endif
 		src = CreateSource(TEX0, TEXA, dst);
 
 		if(src == NULL)
 		{
 			return NULL;
 		}
+#ifdef ENABLE_OGL_DEBUG
+	} else {
+		GL_CACHE(format("TC: src hit: %d (%x)",
+					src->m_texture ? src->m_texture->GetID() : 0,
+					TEX0.TBP0
+					).c_str());
+#endif
 	}
 
 	if (src->m_palette)
@@ -718,7 +735,7 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
 		GSVector4 sr(0, 0, w, h);
 
 		GSTexture* st = src->m_texture ? src->m_texture : dst->m_texture;
-		GSTexture *dt = m_renderer->m_dev->CreateRenderTarget(w, h, false);
+		GSTexture* dt = m_renderer->m_dev->CreateRenderTarget(w, h, false);
 		// GH: by default (m_paltex == 0) GSdx converts texture to the 32 bit format
 		// However it is different here. We want to reuse a Render Target as a texture.
 		// Because the texture is already on the GPU, CPU can't convert it.
@@ -1250,6 +1267,10 @@ void GSTextureCache::SourceMap::RemoveAt(Source* s)
 {
 	m_surfaces.erase(s);
 
+	GL_CACHE(format("TC: remove texture %d (%x)",
+				s->m_texture ? s->m_texture->GetID() : 0,
+				s->m_TEX0.TBP0).c_str());
+
 	// Source (except render target) is duplicated for each page they use.
 	for(size_t start = s->m_TEX0.TBP0 >> 5, end = s->m_target ? start : countof(m_map) - 1; start <= end; start++)
 	{
diff --git a/plugins/GSdx/stdafx.h b/plugins/GSdx/stdafx.h
index 8c5aa7bdd8..1834f4c558 100644
--- a/plugins/GSdx/stdafx.h
+++ b/plugins/GSdx/stdafx.h
@@ -494,6 +494,12 @@ extern void vmfree(void* ptr, size_t size);
 #endif
 
 // Except apple any sane driver support this extension
+#if defined(__linux__) && defined(_DEBUG)
+#define GL_CACHE(s) gl_DebugMessageInsert(GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0xFEAD, GL_DEBUG_SEVERITY_MEDIUM, -1, s);
+#else
+#define GL_CACHE(s) (0);
+#endif
+
 #if defined(__linux__) && defined(ENABLE_OGL_DEBUG)
 #define GL_PUSH(s) gl_PushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0xBAD, -1, s);
 #define GL_POP(s)  gl_PopDebugGroup();