Get rid of a few GSdx warnings. Remove some extra newlines in Sio's c…

…onsole output.

pcsx2/Sio.cpp

@@ -171,7 +171,7 @@ SIO_WRITE sioWriteStart(u8 data)
 	case 0x81: siomode = SIO_MEMCARD; break;
 
 	default:
-		DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
+		DevCon.Warning("%s cmd: %02X??", __FUNCTION__, data);
 		DEVICE_UNPLUGGED();
 		siomode = SIO_DUMMY;
 		break;
@@ -257,7 +257,7 @@ SIO_WRITE sioWriteMultitap(u8 data)
 			break;
 
 		default:
-			DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
+			DevCon.Warning("%s cmd: %02X??", __FUNCTION__, data);
 			sio.buf[3] = 0x00;
 			sio.buf[4] = 0x00;
 			sio.buf[5] = 0x00;
@@ -364,7 +364,7 @@ SIO_WRITE memcardErase(u8 data)
 				break;
 
 			default:
-				DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
+				DevCon.Warning("%s cmd: %02X??", __FUNCTION__, data);
 				sio.bufCount = -1;
 				//sio.bufSize = 3;
 				//sio.bufCount = 4;
@@ -425,7 +425,7 @@ SIO_WRITE memcardWrite(u8 data)
 				}
 
 			default:
-				DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
+				DevCon.Warning("%s cmd: %02X??", __FUNCTION__, data);
 				sio.bufCount = -1;
 				//sio.bufSize = 3;
 				//sio.bufCount = 4;
@@ -515,7 +515,7 @@ SIO_WRITE memcardRead(u8 data)
 				}
 
 			default:
-				DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
+				DevCon.Warning("%s cmd: %02X??", __FUNCTION__, data);
 				sio.bufCount = -1;
 				//sio.bufSize = 3;
 				//sio.bufCount = 4;
@@ -706,7 +706,7 @@ SIO_WRITE sioWriteMemcard(u8 data)
 			break;
 
 		default:
-			DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
+			DevCon.Warning("%s cmd: %02X??", __FUNCTION__, data);
 			siomode = SIO_DUMMY;
 			break;
 		}

plugins/GSdx/GSRendererOGL.cpp

@@ -562,17 +562,23 @@ void GSRendererOGL::EmulateBlending(bool DATE_GL42)
 	bool accumulation_blend = !!(blend_flag & BLEND_ACCU);
 
 	// Warning no break on purpose
+	// Note: the "fall through" comments tell gcc not to complain about not having breaks.
 	switch (m_sw_blending) {
 		case ACC_BLEND_ULTRA:           sw_blending |= true;
+										// fall through
 		case ACC_BLEND_FULL:            if (!m_vt.m_alpha.valid && (ALPHA.C == 0)) GetAlphaMinMax();
 										sw_blending |= (ALPHA.A != ALPHA.B) &&
 												((ALPHA.C == 0 && m_vt.m_alpha.max > 128) || (ALPHA.C == 2 && ALPHA.FIX > 128u));
+										// fall through
 		case ACC_BLEND_CCLIP_DALPHA:    sw_blending |= (ALPHA.C == 1) || (m_env.COLCLAMP.CLAMP == 0);
 										// Initial idea was to enable accurate blending for sprite rendering to handle
 										// correctly post-processing effect. Some games (ZoE) use tons of sprites as particles.
 										// In order to keep it fast, let's limit it to smaller draw call.
+										// fall through
 		case ACC_BLEND_SPRITE:          sw_blending |= m_vt.m_primclass == GS_SPRITE_CLASS && m_drawlist.size() < 100;
+										// fall through
 		case ACC_BLEND_FREE:            sw_blending |= impossible_or_free_blend;
+										// fall through
 		default:                        /*sw_blending |= accumulation_blend*/;
 	}
 	// SW Blending

plugins/GSdx/GSTextureOGL.cpp

@@ -252,6 +252,7 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read,
 		case GSTexture::Offscreen:
 			// Offscreen is only used to read color. So it only requires 4B by pixel
 			m_local_buffer = (uint8*)_aligned_malloc(m_size.x * m_size.y * 4, 32);
+			// fall through
 		case GSTexture::Texture:
 		case GSTexture::RenderTarget:
 		case GSTexture::DepthStencil:

plugins/GSdx/GSVector4i.h

@@ -47,6 +47,10 @@ class alignas(16) GSVector4i
 
 	__forceinline GSVector4i()
 	{
+		x = 0;
+		y = 0;
+		z = 0;
+		w = 0;
 	}
 
 	__forceinline GSVector4i(int x, int y, int z, int w)