don't use optional for debugName

src/modules/graphics/Buffer.h

@@ -90,7 +90,7 @@ public:
 		BufferUsageFlags usageFlags;
 		BufferDataUsage dataUsage;
 		bool zeroInitialize;
-		Optional<std::string> debugName;
+		std::string debugName;
 
 		Settings(uint32 usageflags, BufferDataUsage dataUsage)
 			: usageFlags((BufferUsageFlags)usageflags)
@@ -114,7 +114,7 @@ public:
 	const DataMember &getDataMember(int index) const { return dataMembers[index]; }
 	size_t getMemberOffset(int index) const { return dataMembers[index].offset; }
 	int getDataMemberIndex(const std::string &name) const;
-	const Optional<std::string> &getDebugName() const { return debugName; }
+	const std::string &getDebugName() const { return debugName; }
 
 	void setImmutable(bool immutable) { this->immutable = immutable; };
 	bool isImmutable() const { return immutable; }
@@ -188,7 +188,7 @@ protected:
 	// Usage hint. GL_[DYNAMIC, STATIC, STREAM]_DRAW.
 	BufferDataUsage dataUsage;
 
-	Optional<std::string> debugName;
+	std::string debugName;
 
 	bool mapped;
 	MapType mappedType;

src/modules/graphics/Texture.h

@@ -195,7 +195,7 @@ public:
 		bool renderTarget = false;
 		bool computeWrite = false;
 		OptionalBool readable;
-		Optional<std::string> debugName;
+		std::string debugName;
 	};
 
 	struct Slices
@@ -290,7 +290,7 @@ public:
 
 	Quad *getQuad() const;
 
-	const Optional<std::string> &getDebugName() const { return debugName; }
+	const std::string &getDebugName() const { return debugName; }
 
 	static int getTotalMipmapCount(int w, int h);
 	static int getTotalMipmapCount(int w, int h, int d);
@@ -347,7 +347,7 @@ protected:
 
 	int64 graphicsMemorySize;
 
-	Optional<std::string> debugName;
+	std::string debugName;
 
 }; // Texture
 

src/modules/graphics/opengl/Buffer.cpp

@@ -164,8 +164,8 @@ bool Buffer::load(const void *initialdata)
 		glTexBuffer(target, glformat, buffer);
 	}
 
-	if (debugName.hasValue)
-		glObjectLabel(GL_BUFFER, buffer, -1, debugName.value.c_str());
+	if (!debugName.empty())
+		glObjectLabel(GL_BUFFER, buffer, -1, debugName.c_str());
 
 	return (glGetError() == GL_NO_ERROR);
 }

src/modules/graphics/opengl/Texture.cpp

@@ -422,12 +422,12 @@ bool Texture::loadVolatile()
 
 	setGraphicsMemorySize(memsize);
 
-	if (debugName.hasValue)
+	if (!debugName.empty())
 	{
 		if (texture)
-			glObjectLabel(GL_TEXTURE, texture, -1, debugName.value.c_str());
+			glObjectLabel(GL_TEXTURE, texture, -1, debugName.c_str());
 		else
-			glObjectLabel(GL_FRAMEBUFFER, renderbuffer, -1, debugName.value.c_str());
+			glObjectLabel(GL_FRAMEBUFFER, renderbuffer, -1, debugName.c_str());
 	}
 
 	return true;

src/modules/graphics/vulkan/Buffer.cpp

@@ -108,7 +108,7 @@ bool Buffer::loadVolatile()
 	else
 		coherent = false;
 
-	if (debugName.hasValue && vgfx->getEnabledOptionalInstanceExtensions().debugInfo)
+	if (!debugName.empty() && vgfx->getEnabledOptionalInstanceExtensions().debugInfo)
 	{
 		auto device = vgfx->getDevice();
 
@@ -116,7 +116,7 @@ bool Buffer::loadVolatile()
 		nameInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 		nameInfo.objectType = VK_OBJECT_TYPE_BUFFER;
 		nameInfo.objectHandle = (uint64_t)buffer;
-		nameInfo.pObjectName = debugName.value.c_str();
+		nameInfo.pObjectName = debugName.c_str();
 		vkSetDebugUtilsObjectNameEXT(device, &nameInfo);
 	}
 

src/modules/graphics/vulkan/Texture.cpp

@@ -201,7 +201,7 @@ bool Texture::loadVolatile()
 
 	setGraphicsMemorySize(memsize);
 
-	if (debugName.hasValue)
+	if (!debugName.empty())
 	{
 		if (vgfx->getEnabledOptionalInstanceExtensions().debugInfo)
 		{
@@ -209,7 +209,7 @@ bool Texture::loadVolatile()
 			nameInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
 			nameInfo.objectType = VK_OBJECT_TYPE_IMAGE;
 			nameInfo.objectHandle = (uint64_t)textureImage;
-			nameInfo.pObjectName = debugName.value.c_str();
+			nameInfo.pObjectName = debugName.c_str();
 			vkSetDebugUtilsObjectNameEXT(device, &nameInfo);
 		}
 	}

src/modules/graphics/wrap_Buffer.cpp

@@ -416,11 +416,11 @@ static int w_Buffer_isBufferType(lua_State *L)
 static int w_Buffer_getDebugName(lua_State *L)
 {
 	Buffer *t = luax_checkbuffer(L, 1);
-	const Optional<std::string> &debugName = t->getDebugName();
-	if (debugName.hasValue)
-		luax_pushstring(L, debugName.value);
-	else
+	const std::string &debugName = t->getDebugName();
+	if (debugName.empty())
 		lua_pushnil(L);
+	else
+		luax_pushstring(L, debugName);
 	return 1;
 }
 

src/modules/graphics/wrap_Graphics.cpp

@@ -741,7 +741,7 @@ static void luax_checktexturesettings(lua_State *L, int idx, bool opt, bool chec
 	lua_getfield(L, idx, Texture::getConstant(Texture::SETTING_DEBUGNAME));
 	if (!lua_isnoneornil(L, -1))
 	{
-		s.debugName.set(luaL_checkstring(L, -1));
+		s.debugName = luaL_checkstring(L, -1);
 	}
 	lua_pop(L, 1);
 

src/modules/graphics/wrap_Texture.cpp

@@ -477,11 +477,11 @@ int w_Texture_renderTo(lua_State *L)
 static int w_Texture_getDebugName(lua_State *L)
 {
 	Texture *t = luax_checktexture(L, 1);
-	const Optional<std::string> &debugName = t->getDebugName();
-	if (debugName.hasValue)
-		luax_pushstring(L, debugName.value);
-	else
+	const std::string &debugName = t->getDebugName();
+	if (debugName.empty())
 		lua_pushnil(L);
+	else
+		luax_pushstring(L, debugName);
 	return 1;
 }