Fix some compile warnings

src/modules/graphics/GraphicsReadback.cpp

@@ -33,13 +33,11 @@ namespace graphics
 
 love::Type GraphicsReadback::type("GraphicsReadback", &Object::type);
 
-GraphicsReadback::GraphicsReadback(Graphics *gfx, ReadbackMethod method, Buffer *buffer, size_t offset, size_t size, love::data::ByteData *dest, size_t destoffset)
+GraphicsReadback::GraphicsReadback(Graphics */*gfx*/, ReadbackMethod method, Buffer *buffer, size_t offset, size_t size, love::data::ByteData *dest, size_t destoffset)
 	: dataType(DATA_BUFFER)
 	, method(method)
 	, bufferData(dest)
 {
-	const auto &caps = gfx->getCapabilities();
-
 	if (offset + size > buffer->getSize())
 		throw love::Exception("Invalid offset or size for the given Buffer.");
 

src/modules/graphics/Mesh.cpp

@@ -109,13 +109,11 @@ Mesh::Mesh(const std::vector<Mesh::BufferAttribute> &attributes, PrimitiveType d
 	attachedAttributes = attributes;
 	vertexCount = attachedAttributes.size() > 0 ? LOVE_UINT32_MAX : 0;
 
-	auto gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
-
 	for (int i = 0; i < (int) attachedAttributes.size(); i++)
 	{
 		auto &attrib = attachedAttributes[i];
 
-		finalizeAttribute(gfx, attrib);
+		finalizeAttribute(attrib);
 
 		int attributeIndex = getAttachedAttributeIndex(attrib.name);
 		if (attributeIndex != i && attributeIndex != -1)
@@ -158,7 +156,7 @@ int Mesh::getAttachedAttributeIndex(const std::string &name) const
 	return -1;
 }
 
-void Mesh::finalizeAttribute(Graphics *gfx, BufferAttribute &attrib) const
+void Mesh::finalizeAttribute(BufferAttribute &attrib) const
 {
 	if ((attrib.buffer->getUsageFlags() & BUFFERUSAGEFLAG_VERTEX) == 0)
 		throw love::Exception("Buffer must be created with vertex buffer support to be used as a Mesh vertex attribute.");
@@ -228,8 +226,6 @@ bool Mesh::isAttributeEnabled(const std::string &name) const
 
 void Mesh::attachAttribute(const std::string &name, Buffer *buffer, Mesh *mesh, const std::string &attachname, int startindex, AttributeStep step)
 {
-	auto gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
-
 	BufferAttribute oldattrib = {};
 	BufferAttribute newattrib = {};
 
@@ -248,7 +244,7 @@ void Mesh::attachAttribute(const std::string &name, Buffer *buffer, Mesh *mesh,
 	newattrib.startArrayIndex = startindex;
 	newattrib.step = step;
 
-	finalizeAttribute(gfx, newattrib);
+	finalizeAttribute(newattrib);
 
 	if (newattrib.indexInBuffer < 0)
 		throw love::Exception("The specified vertex buffer does not have a vertex attribute named '%s'", attachname.c_str());

src/modules/graphics/Mesh.h

@@ -187,7 +187,7 @@ private:
 
 	void setupAttachedAttributes();
 	int getAttachedAttributeIndex(const std::string &name) const;
-	void finalizeAttribute(Graphics *gfx, BufferAttribute &attrib) const;
+	void finalizeAttribute(BufferAttribute &attrib) const;
 
 	void drawInternal(Graphics *gfx, const Matrix4 &m, int instancecount, Buffer *indirectargs, int argsindex);
 

src/modules/graphics/ShaderStage.cpp

@@ -30,7 +30,7 @@ namespace love
 namespace graphics
 {
 
-ShaderStage::ShaderStage(Graphics *gfx, ShaderStageType stage, const std::string &glsl, bool gles, const std::string &cachekey)
+ShaderStage::ShaderStage(Graphics */*gfx*/, ShaderStageType stage, const std::string &glsl, bool gles, const std::string &cachekey)
 	: stageType(stage)
 	, source(glsl)
 	, cacheKey(cachekey)

src/modules/graphics/wrap_Graphics.cpp

@@ -837,7 +837,7 @@ static void luax_checktexturesettings(lua_State *L, int idx, bool opt, bool chec
 		if (lua_type(L, -1) != LUA_TTABLE)
 			luaL_argerror(L, idx, "expected field 'viewformats' to be a table type");
 
-		for (int i = 1; i <= luax_objlen(L, -1); i++)
+		for (int i = 1; i <= (int)luax_objlen(L, -1); i++)
 		{
 			lua_rawgeti(L, -1, i);
 			const char *str = luaL_checkstring(L, -1);