[SPIRV] docs improved
@@ -7,7 +7,12 @@ preview and an initial implementation.
## 1. Install Intel oneAPI Level Zero
-Use GCC >= 9:
+A. In order to use Intel Level Zero from oneAPI, you need to install the driver for the Intel HD Graphics.
+
+All drivers are avilable here: [https://github.com/intel/compute-runtime/releases](https://github.com/intel/compute-runtime/releases)
+
+
+B. Use GCC >= 9:
On CentOS:
@@ -15,6 +20,8 @@ On CentOS:
$ scl enable devtoolset-9 bash # Only for CentOS 7.X
```
+C. Build Level Zero loader from source:
+
```bash
$ git clone https://github.com/oneapi-src/level-zero
$ mkdir build
