diff --git a/plugins/GSdx/GS.cpp b/plugins/GSdx/GS.cpp
index 0e705371b7..7ceaf593ea 100644
--- a/plugins/GSdx/GS.cpp
+++ b/plugins/GSdx/GS.cpp
@@ -1520,7 +1520,7 @@ EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 				}
 			}
 			unsigned long end = timeGetTime();
-			fprintf(stderr, "The %d frames of the scene was render on %dms\n", frame_number, end - start);
+			fprintf(stderr, "The %ld frames of the scene was render on %ldms\n", frame_number, end - start);
 			fprintf(stderr, "A means of %fms by frame\n", (float)(end - start)/(float)frame_number);
 
 			sleep(1);
diff --git a/plugins/GSdx/GS.h b/plugins/GSdx/GS.h
index 112c991dc3..f4c8a0b029 100644
--- a/plugins/GSdx/GS.h
+++ b/plugins/GSdx/GS.h
@@ -521,8 +521,8 @@ REG64_(GIFReg, ALPHA)
 	uint8 _PAD2[3];
 REG_END2
 	// opaque => output will be Cs/As
-	__forceinline bool IsOpaque() const {return (A == B || C == 2 && FIX == 0) && D == 0 || (A == 0 && B == D && C == 2 && FIX == 0x80);}
-	__forceinline bool IsOpaque(int amin, int amax) const {return (A == B || amax == 0) && D == 0 || A == 0 && B == D && amin == 0x80 && amax == 0x80;}
+	__forceinline bool IsOpaque() const {return ((A == B || (C == 2 && FIX == 0)) && D == 0) || (A == 0 && B == D && C == 2 && FIX == 0x80);}
+	__forceinline bool IsOpaque(int amin, int amax) const {return ((A == B || amax == 0) && D == 0) || (A == 0 && B == D && amin == 0x80 && amax == 0x80);}
 REG_END2
 
 REG64_(GIFReg, BITBLTBUF)
diff --git a/plugins/GSdx/GSRendererOGL.cpp b/plugins/GSdx/GSRendererOGL.cpp
index 426e49341f..4b286819c8 100644
--- a/plugins/GSdx/GSRendererOGL.cpp
+++ b/plugins/GSdx/GSRendererOGL.cpp
@@ -341,14 +341,20 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
 
 	if(tex)
 	{
+		const GSLocalMemory::psm_t &psm = GSLocalMemory::m_psm[context->TEX0.PSM];
+
 		ps_sel.wms = context->CLAMP.WMS;
 		ps_sel.wmt = context->CLAMP.WMT;
-		ps_sel.fmt = tex->m_fmt;
 		ps_sel.aem = env.TEXA.AEM;
 		ps_sel.tfx = context->TEX0.TFX;
 		ps_sel.tcc = context->TEX0.TCC;
 		ps_sel.ltf = m_filter == 2 ? m_vt.IsLinear() : m_filter;
 		ps_sel.rt = tex->m_target;
+		if (tex->m_palette) {
+			const GSLocalMemory::psm_t &cpsm = GSLocalMemory::m_psm[context->TEX0.CPSM];
+			ps_sel.fmt = cpsm.fmt | 4;
+		} else
+			ps_sel.fmt = psm.fmt;
 
 		int w = tex->m_texture->GetWidth();
 		int h = tex->m_texture->GetHeight();
diff --git a/plugins/GSdx/GSThread.h b/plugins/GSdx/GSThread.h
index 160bd541cd..ccd755c9ec 100644
--- a/plugins/GSdx/GSThread.h
+++ b/plugins/GSdx/GSThread.h
@@ -226,7 +226,7 @@ public:
 	}
 
 	void Set() {pthread_cond_signal(&m_cv);}
-	bool Wait(IGSLock* l) {pthread_cond_wait(&m_cv, *(GSCondVarLock*)l) == 0;}
+	bool Wait(IGSLock* l) {pthread_cond_wait(&m_cv, *(GSCondVarLock*)l) == 0; return true;}
 
 	operator pthread_cond_t* () {return &m_cv;}
 };
diff --git a/plugins/GSdx/res/tfx.glsl b/plugins/GSdx/res/tfx.glsl
index 6dcc2bf93d..91d45d75a3 100644
--- a/plugins/GSdx/res/tfx.glsl
+++ b/plugins/GSdx/res/tfx.glsl
@@ -5,10 +5,7 @@
 #define FMT_32 0
 #define FMT_24 1
 #define FMT_16 2
-#define FMT_8H 3
-#define FMT_4HL 4
-#define FMT_4HH 5
-#define FMT_8 6
+#define FMT_PAL 4 /* flag bit */
 
 #ifndef VS_BPPZ
 #define VS_BPPZ 0
@@ -25,7 +22,7 @@
 #define PS_FST 0
 #define PS_WMS 0
 #define PS_WMT 0
-#define PS_FMT FMT_8
+#define PS_FMT FMT_32
 #define PS_AEM 0
 #define PS_TFX 0
 #define PS_TCC 1
@@ -431,27 +428,19 @@ vec4 sample_color(vec2 st, float q)
 
 		mat4 c;
 
-		if(PS_FMT == FMT_8H)
-		{
+		if(PS_FMT & FMT_PAL)
 			c = sample_4p(sample_4a(uv));
-		}
-		else if(PS_FMT == FMT_4HL)
-		{
-            // FIXME mod and fmod are different when value are negative
-			c = sample_4p(mod(sample_4a(uv), 1.0f / 16));
-		}
-		else if(PS_FMT == FMT_4HH)
-		{
-            // FIXME mod and fmod are different when value are negative
-			c = sample_4p(mod(sample_4a(uv) * 16, 1.0f / 16));
-		}
-		else if(PS_FMT == FMT_8)
-		{
-			c = sample_4p(sample_4a(uv));
-		}
 		else
-		{
 			c = sample_4c(uv);
+
+		// PERF: see the impact of the exansion before/after the interpolation
+		for (uint i = 0; i < 4; i++) {
+			if((PS_FMT & ~FMT_PAL) == FMT_16)
+			{
+				// FIXME GLSL any only support bvec so try to mix it with notEqual
+				bvec3 rgb_check = notEqual( t.rgb, vec3(0.0f, 0.0f, 0.0f) );
+				t.a = t.a >= 0.5 ? TA.y : ( (PS_AEM == 0) || any(rgb_check) ) ? TA.x : 0.0f; 
+			}
 		}
 
 		if(PS_LTF != 0)
@@ -464,11 +453,7 @@ vec4 sample_color(vec2 st, float q)
 		}
 	}
 	
-	if(PS_FMT == FMT_32)
-	{
-        ;
-	}
-	else if(PS_FMT == FMT_24)
+	if(PS_FMT == FMT_24)
 	{
         // FIXME GLSL any only support bvec so try to mix it with notEqual
         bvec3 rgb_check = notEqual( t.rgb, vec3(0.0f, 0.0f, 0.0f) );
diff --git a/plugins/zzogl-pg/opengl/ZZGl.h b/plugins/zzogl-pg/opengl/ZZGl.h
index 25e0c9a4f7..de7b0a4335 100644
--- a/plugins/zzogl-pg/opengl/ZZGl.h
+++ b/plugins/zzogl-pg/opengl/ZZGl.h
@@ -194,7 +194,7 @@ namespace FB
 	static __forceinline void Delete()
 	{
 		if (buf != 0) {
-			glDeleteFramebuffers(1, &buf);
+			glDeleteFramebuffersEXT(1, &buf);
 			buf = 0;
 		}
 	}