love.graphics.apply/replaceTransform can accept x,y,angle,etc. args.

src/modules/graphics/Graphics.cpp

@@ -1990,19 +1990,18 @@ void Graphics::origin()
 	pixelScaleStack.back() = 1;
 }
 
-void Graphics::applyTransform(love::math::Transform *transform)
+void Graphics::applyTransform(const Matrix4 &m)
 {
-	Matrix4 &m = transformStack.back();
-	m *= transform->getMatrix();
+	Matrix4 &current = transformStack.back();
+	current *= m;
 
 	float sx, sy;
-	m.getApproximateScale(sx, sy);
+	current.getApproximateScale(sx, sy);
 	pixelScaleStack.back() = (sx + sy) / 2.0;
 }
 
-void Graphics::replaceTransform(love::math::Transform *transform)
+void Graphics::replaceTransform(const Matrix4 &m)
 {
-	const Matrix4 &m = transform->getMatrix();
 	transformStack.back() = m;
 
 	float sx, sy;

src/modules/graphics/Graphics.h

@@ -826,8 +826,8 @@ public:
 	void shear(float kx, float ky);
 	void origin();
 
-	void applyTransform(love::math::Transform *transform);
-	void replaceTransform(love::math::Transform *transform);
+	void applyTransform(const Matrix4 &m);
+	void replaceTransform(const Matrix4 &m);
 
 	Vector2 transformPoint(Vector2 point);
 	Vector2 inverseTransformPoint(Vector2 point);

src/modules/graphics/wrap_Graphics.cpp

@@ -3441,7 +3441,7 @@ int w_push(lua_State *L)
 	if (luax_istype(L, 2, math::Transform::type))
 	{
 		math::Transform *t = luax_totype<math::Transform>(L, 2);
-		luax_catchexcept(L, [&]() { instance()->applyTransform(t); });
+		luax_catchexcept(L, [&]() { instance()->applyTransform(t->getMatrix()); });
 	}
 
 	return 0;
@@ -3492,15 +3492,19 @@ int w_origin(lua_State * /*L*/)
 
 int w_applyTransform(lua_State *L)
 {
-	math::Transform *t = math::luax_checktransform(L, 1);
-	luax_catchexcept(L, [&]() { instance()->applyTransform(t); });
+	luax_checkstandardtransform(L, 1, [&](const Matrix4 &m)
+	{
+		luax_catchexcept(L, [&]() { instance()->applyTransform(m); });
+	});
 	return 0;
 }
 
 int w_replaceTransform(lua_State *L)
 {
-	math::Transform *t = math::luax_checktransform(L, 1);
-	luax_catchexcept(L, [&]() { instance()->replaceTransform(t); });
+	luax_checkstandardtransform(L, 1, [&](const Matrix4 &m)
+	{
+		luax_catchexcept(L, [&]() { instance()->replaceTransform(m); });
+	});
 	return 0;
 }