diff --git a/scripts/bgfx.lua b/scripts/bgfx.lua
index 17086db24..8c196d5b7 100644
--- a/scripts/bgfx.lua
+++ b/scripts/bgfx.lua
@@ -58,14 +58,6 @@ function bgfxProject(_name, _kind, _defines)
 			}
 		end
 
-		if (_OPTIONS["vs"] == "vs2012-xp")
-		or (_OPTIONS["vs"] == "vs2013-xp") then
-			configuration { "vs201*" }
-				includedirs {
-					"$(DXSDK_DIR)/include",
-				}
-		end
-
 		configuration { "Debug" }
 			defines {
 				"BGFX_CONFIG_DEBUG=1",
diff --git a/scripts/example-common.lua b/scripts/example-common.lua
index 94aa9d5cc..5a5dd7ce0 100644
--- a/scripts/example-common.lua
+++ b/scripts/example-common.lua
@@ -61,16 +61,10 @@ project ("example-common")
 		}
 	end
 
-	configuration { "vs2008" }
-		includedirs {
-			"$(DXSDK_DIR)/include",
+	configuration { "osx or ios*" }
+		files {
+			path.join(BGFX_DIR, "examples/common/**.mm"),
 		}
-	if (_OPTIONS["vs"] == "vs2012-xp") or (_OPTIONS["vs"] == "vs2013-xp") then
-	configuration { "vs201*" }
-		includedirs {
-			"$(DXSDK_DIR)/include",
-		}
-	end
 
 	configuration { "winphone8* or winstore8*"}
 		linkoptions {
diff --git a/scripts/genie.lua b/scripts/genie.lua
index 92705b12e..90beb31a4 100644
--- a/scripts/genie.lua
+++ b/scripts/genie.lua
@@ -305,9 +305,6 @@ function exampleProject(_name)
 		}
 
 	configuration { "osx" }
-		files {
-			path.join(BGFX_DIR, "examples/common/**.mm"),
-		}
 		links {
 			"Cocoa.framework",
 			"OpenGL.framework",
@@ -315,9 +312,6 @@ function exampleProject(_name)
 
 	configuration { "ios*" }
 		kind "ConsoleApp"
-		files {
-			path.join(BGFX_DIR, "examples/common/**.mm"),
-		}
 		linkoptions {
 			"-framework CoreFoundation",
 			"-framework Foundation",
diff --git a/scripts/shaderc.lua b/scripts/shaderc.lua
index 5f6d4e4fd..2824477af 100644
--- a/scripts/shaderc.lua
+++ b/scripts/shaderc.lua
@@ -55,12 +55,6 @@ project "shaderc"
 			path.join(GLSL_OPTIMIZER, "include/c99"),
 		}
 
-	configuration { "vs*" }
-		includedirs {
-			"$(DXSDK_DIR)/include",
-		}
-
-
 	configuration { "vs* or mingw*" }
 		links {
 			"d3dcompiler",
diff --git a/src/renderer_gl.h b/src/renderer_gl.h
index 8a3063142..b1fc94b99 100644
--- a/src/renderer_gl.h
+++ b/src/renderer_gl.h
@@ -233,6 +233,30 @@ typedef uint64_t GLuint64;
 #	define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B
 #endif // GL_UNSIGNED_INT_10F_11F_11F_REV
 
+#ifndef GL_R8_SNORM
+#	define GL_R8_SNORM 0x8F94
+#endif // GL_R8_SNORM
+
+#ifndef GL_RG8_SNORM
+#	define GL_RG8_SNORM 0x8F95
+#endif // GL_RG8_SNORM
+
+#ifndef GL_RGBA8_SNORM
+#	define GL_RGBA8_SNORM 0x8F97
+#endif // GL_RGBA8_SNORM
+
+#ifndef GL_R16_SNORM
+#	define GL_R16_SNORM 0x8F98
+#endif // GL_R16_SNORM
+
+#ifndef GL_RG16_SNORM
+#	define GL_RG16_SNORM 0x8F99
+#endif // GL_RG16_SNORM
+
+#ifndef GL_RGBA16_SNORM
+#	define GL_RGBA16_SNORM 0x8F9B
+#endif // GL_RGBA16_SNORM
+
 #ifndef GL_COMPRESSED_RGB_S3TC_DXT1_EXT
 #	define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
 #endif // GL_COMPRESSED_RGB_S3TC_DXT1_EXT