diff --git a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp
index 83757528e3..b8acf8aff2 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp
@@ -131,12 +131,12 @@ void GFXConfigDialogOGL::CloseClick(wxCommandEvent& WXUNUSED (event))
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // Add avaliable resolutions and other settings
 // ---------------
-void GFXConfigDialogOGL::AddFSReso(char *reso)
+void GFXConfigDialogOGL::AddFSReso(const char *reso)
 {
 	arrayStringFor_FullscreenCB.Add(wxString::FromAscii(reso));
 }
 
-void GFXConfigDialogOGL::AddWindowReso(char *reso)
+void GFXConfigDialogOGL::AddWindowReso(const char *reso)
 {
 	arrayStringFor_WindowResolutionCB.Add(wxString::FromAscii(reso));
 }
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h
index 4885217a21..f5abf1b238 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h
+++ b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h
@@ -58,8 +58,8 @@ class GFXConfigDialogOGL : public wxDialog
 		virtual ~GFXConfigDialogOGL();
 		void CloseClick(wxCommandEvent& event);
 
-		void AddFSReso(char *reso);
-		void AddWindowReso(char *reso);
+		void AddFSReso(const char *reso);
+		void AddWindowReso(const char *reso);
 		void CreateGUIControls();
 		void GameIniLoad();
 		// Combo box lists, this one needs to be public
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
index 4ca2d6be6c..0d0f7270a5 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
@@ -93,7 +93,6 @@ static FILE* f_pFrameDump;
 static int s_MSAASamples = 1;
 static int s_MSAACoverageSamples = 0;
 
-static bool s_bHaveStencilBuffer = false;
 bool s_bHaveFramebufferBlit = false; // export to FramebufferManager.cpp
 static bool s_bHaveCoverageMSAA = false;
 static u32 s_blendMode;
@@ -644,9 +643,6 @@ void ComputeBackbufferRectangle(TRectangle *rc)
 		// The new width and height
 		FloatGLWidth = FloatGLWidth * Ratio;
 		FloatGLHeight = FloatGLHeight * Ratio;
-		// The new width and height ratio
-		float WidthRatio = ((float)FloatGLWidth) / 640.0;
-		float HeightRatio = ((float)FloatGLHeight) / 480.0;
 		// Adjust the X and Y offset
 		FloatXOffset = FloatXOffset - (IncreasedWidth / 2.0);
 		FloatYOffset = FloatYOffset - (IncreasedHeight / 2.0);
@@ -724,6 +720,7 @@ void Renderer::Swap(u32 xfbAddr, u32 srcWidth, u32 srcHeight, s32 yOffset)
 	else
 	{
 		u_max = (float)xfbSource->texWidth;
+		v_min = 0.f;
 		v_max = (float)xfbSource->texHeight;
 	}
 
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp b/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp
index 12e6e7e913..06d1a4b306 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.cpp
@@ -174,7 +174,6 @@ void Write32BitSwizzler(char*& p, u32 format)
 
     float blkW = (float)GetBlockWidthInTexels(format);
 	float blkH = (float)GetBlockHeightInTexels(format);
-	float samples = (float)GetEncodedSampleCount(format);
 
 	// 32 bit textures (RGBA8 and Z24) are store in 2 cache line increments
 
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.cpp b/Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.cpp
index fde7e07e20..3db8a816f6 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.cpp
@@ -158,7 +158,7 @@ void Shutdown()
 	s_rgbToYuyvProgram.Destroy();
 	s_yuyvToRgbProgram.Destroy();
 
-	for (int i = 0; i < NUM_ENCODING_PROGRAMS; i++)
+	for (unsigned int i = 0; i < NUM_ENCODING_PROGRAMS; i++)
 		s_encodingPrograms[i].Destroy();
 
 	s_srcTexture = 0;