Added "mipmap" love.graphics.isSupported string

src/modules/graphics/Graphics.cpp

@@ -160,6 +160,7 @@ StringMap<Graphics::Support, Graphics::SUPPORT_MAX_ENUM>::Entry Graphics::suppor
 	{ "pixeleffect", Graphics::SUPPORT_PIXELEFFECT },
 	{ "npot", Graphics::SUPPORT_NPOT },
 	{ "subtractive", Graphics::SUPPORT_SUBTRACTIVE },
+	{ "mipmap", Graphics::SUPPORT_MIPMAP },
 };
 
 StringMap<Graphics::Support, Graphics::SUPPORT_MAX_ENUM> Graphics::support(Graphics::supportEntries, sizeof(Graphics::supportEntries));

src/modules/graphics/Graphics.h

@@ -89,6 +89,7 @@ public:
 		SUPPORT_PIXELEFFECT,
 		SUPPORT_NPOT,
 		SUPPORT_SUBTRACTIVE,
+		SUPPORT_MIPMAP,
 		SUPPORT_MAX_ENUM
 	};
 

src/modules/graphics/opengl/wrap_Graphics.cpp

@@ -853,7 +853,12 @@ int w_isSupported(lua_State *L)
 				supported = false;
 			break;
 		case Graphics::SUPPORT_SUBTRACTIVE:
-			supported = (GLEE_VERSION_1_4 || GLEE_ARB_imaging) || (GLEE_EXT_blend_minmax && GLEE_EXT_blend_subtract);
+			if (!((GLEE_VERSION_1_4 || GLEE_ARB_imaging) || (GLEE_EXT_blend_minmax && GLEE_EXT_blend_subtract)))
+				supported = false;
+			break;
+		case Graphics::SUPPORT_MIPMAP:
+			if (!Image::hasMipmapSupport())
+				supported = false;
 			break;
 		default:
 			supported = false;