While it may seem like a silly question, does the Avr microcontroller processor support DirectX? The question was asked by a reader of mine and although I would never presume to tell anyone who to buy a microcontroller for, I will say that the answer is almost certainly no.
As a matter of fact, DirectX is a new feature introduced by Microsoft to assist in the creation of games for the Xbox. I’ll admit that DirectX is not an ideal choice when you are developing software for a microcontroller – but it has been designed for the purpose of allowing programmers to make their game design simpler. One of the things that DirectX was created to do was to allow programmers to use less complex instructions that use less cycles and thus, have a greater chance of being able to accomplish the same task as previous software, without using the microcontroller’s limited resources.
Of course, if your chip does not support DirectX, you’ll be forced to run the game on a programmable graphics device or create the graphics from scratch, which defeats the whole purpose of using a microcontroller in the first place. I wouldn’t advise that approach either.
So, if you want to use a microcontroller with DirectX, what do you do? You need to find a device that supports both the standard graphics and DirectX.
The thing about choosing a microcontroller to work with DirectX is that it requires you to be very careful about the components in the chip. The chipset should have two types of available memory: one type of memory that is dedicated to storing the game data and the other type of memory that is required for the DirectX driver.
As for the DirectX driver, the chip should have the capability to interact with the graphics adapter of the system. If you want to use DirectX and also have an Avr microcontroller, it will require you to choose a chipset that supports both DirectX and the Avr microcontroller – especially if you want to use your chip with a graphics device.
The best chipsets to use with DirectX are the ones that contain the following two essential components: a QSPI (Quick Service Register Interface) unit, which contain the code required to communicate with the graphics adapter; and a DRI unit, which contain the code required to enable the graphics adapter to communicate with the microcontroller. If your chip does not contain either of these elements, you’ll need to use a graphics adapter with an Avr microcontroller – and those graphics adapters usually won’t work with a DirectX application.
If you want to use a microcontroller with DirectX, you need to choose a graphics adapter that includes a special section within its specification. This section is referred to as a DMA Unit (Direct Rendering Interrupt Unit).
In addition to using a graphics adapter that is compatible with both the chipset and the microcontroller, you need to make sure that the graphics adapter is capable of communicating with the graphics adapter of the system. If you don’t want to pay for a graphics adapter that only supports a single microcontroller, you’ll need to use a graphics adapter that includes both a chipset and a microcontroller.
When you are choosing a chipset, you need to ensure that it supports DirectX, either as part of its own specification or as part of the graphics adapter that you are using. Since we’re talking about game development, you’ll need to make sure that the graphics adapter you’re using allows both DirectX and the Avr microcontroller.
Once you’ve found a chipset that supports both DirectX and the Avr microcontroller, the next step is to pick a graphics adapter that supports both of them. Depending on what type of graphics adapter you have, you can usually do this yourself.
It’s no secret that creating games with the Avrmicrocontroller is much easier than developing games with a CPU microcontroller. Make sure that you use the right microcontroller and graphics adapter to make your games run smoothly.