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# 4. Customizing images with AMD Features
AMD supports various features and software components that can be
enabled by setting the corresponding configuration variable to a
valid value in the `local.conf`.
Following is a list of components that can be enabled if you want
them to be installed/available on your image, or can be configured:
* **VULKAN - Vulkan driver and Loader Layer.**
> It is required to run Vulkan based applications. Vulkan is a new
> generation graphics and compute API that provides high-efficiency,
> cross-platform access to modern GPUs.
* **MPV \* - Video player based on MPlayer/mplayer2**
> MPV is a movie player based on MPlayer and mplayer2. It supports a
> wide variety of video file formats, audio and video codecs, and
> subtitle types.
* **COMMERCIAL MULTIMEDIA \* - License restricted multimedia components**
> Certain multimedia formats require license restricted codecs and
> software components which are not included in build by default.
* **MULTI DISPLAY - Multiple display support**
> You can connect multiple displays with AMD machines. The display
> configuration/arrangement can be configured using this.
* **ON-TARGET DEVELOPMENT - SDK for on-target development**
> gcc, make, autotools, autoconf, build-essential etc.
* **ON-TARGET DEBUGGING - tools for on-target debugging**
> gdb, gdbserver, strace, mtrace
* **ON-TARGET PROFILING - tools for on-target profiling**
> lttng, babeltrace, systemtap, powertop, valgrind
---
#### Disclaimer
\* Using **MPV** & **COMMERCIAL MULTIMEDIA** requires use of
license-restricted algorithms or software.
\* AMD does not distribute or endorse sources for license-restricted
algorithms or software, and disclaims any liability for their use.
---
##### Note
Please set the required configuration variables as shown below in the
`local.conf` **before building an image or generating an SDK** (that
can be used to develop apps for these components (if applicable)).
Otherwise they will not be configured, and will not be available on the
target.
---
#### Supported Features
| Feature | Configuration variable | Configuration values | Default value | Supported BSPs |
|:----------------------|:------------------------------|:---------------------------------------|:--------------|:---------------|
| VULKAN | INCLUDE_VULKAN | yes, no | no | r1000, v1000 |
| MPV | INCLUDE_MPV | yes, no | no | r1000, v1000 |
| COMMERCIAL MULTIMEDIA | INCLUDE_COMMERCIAL_MULTIMEDIA | yes, no | no | r1000, v1000 |
| MULTI DISPLAY | MULTI_DISPLAY_MODE | auto, mirrored, extended-v, extended-h | auto | r1000, v1000 |
| ON-TARGET DEVELOPMENT | EXTRA_IMAGE_FEATURES_append | tools-sdk | | r1000, v1000 |
| ON-TARGET DEBUGGING | EXTRA_IMAGE_FEATURES_append | tools-debug | | r1000, v1000 |
| ON-TARGET PROFILING | EXTRA_IMAGE_FEATURES_append | tools-profile | | r1000, v1000 |
#### Example configuration in local.conf
```sh
INCLUDE_VULKAN = "yes"
INCLUDE_MPV = "yes"
INCLUDE_COMMERCIAL_MULTIMEDIA = "yes"
MULTI_DISPLAY_MODE = "auto"
EXTRA_IMAGE_FEATURES_append = " tools-sdk"
EXTRA_IMAGE_FEATURES_append = " tools-debug"
EXTRA_IMAGE_FEATURES_append = " tools-profile"
```
---
#### What's next
Continue to "Section 2 - Setting up and starting a build"
([BUILD.md](BUILD.md#23-start-the-build)) and restart the image build
as `bitbake <image-name>`, and deploy the new image to see the
changes take effect.
|
