Enable vulkan testing

.github/workflows/ci.yml

@@ -52,8 +52,8 @@ jobs:
             os: ubuntu-20.04
             channel: stable
             target: x86_64-unknown-linux-gnu
-            kind: compile
-            backends: # vulkan gl
+            kind: test
+            backends: vulkan # gl
 
           - name: Linux Nightly x86_64
             os: ubuntu-20.04
@@ -109,13 +109,12 @@ jobs:
           echo "$ANDROID_HOME/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin" >> $GITHUB_PATH
 
       - name: install llvmpipe and lavapipe
-        if: matrix.os == 'ubuntu-20.04' && matrix.kind == 'test'
+        if: matrix.os == 'ubuntu-20.04' && matrix.target != 'aarch64-linux-android' && matrix.kind == 'test'
         run: |
           sudo apt-get update -y -qq
-          sudo add-apt-repository ppa:ubuntu-x-swat/updates -y
+          sudo add-apt-repository ppa:oibaf/graphics-drivers -y
           sudo apt-get update
-          sudo apt install -y libxcb-xfixes0-dev mesa-vulkan-drivers
-        # add libegl1-mesa libgl1-mesa-dri for egl
+          sudo apt install -y libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers
 
       # We enable line numbers for panics, but that's it
       - name: disable debug

.github/workflows/cts.yml

@@ -25,6 +25,12 @@ jobs:
             target: x86_64-pc-windows-msvc
             backends: dx12 # dx11
 
+          # Linux
+          #- name: Linux x86_64
+          #  os: ubuntu-20.04
+          #  target: x86_64-unknown-linux-gnu
+          #  backends: vulkan # gl
+
     name: CTS ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
 
@@ -54,6 +60,15 @@ jobs:
           working-directory: wgpu/cts_runner
           target-dir: wgpu/cts_runner/target
 
+      - name: install llvmpipe and lavapipe
+        if: matrix.os == 'ubuntu-20.04'
+        run: |
+          sudo apt-get update -y -qq
+          sudo add-apt-repository ppa:oibaf/graphics-drivers -y
+          sudo apt-get update
+          sudo apt install -y libxcb-xfixes0-dev mesa-vulkan-drivers
+        # libegl1-mesa libgl1-mesa-dri for gl
+
       # We enable line numbers for panics, but that's it
       - name: disable debug
         shell: bash
@@ -67,7 +82,6 @@ jobs:
           cargo build --manifest-path wgpu/cts_runner/Cargo.toml 
 
       - name: run CTS
-        if: ${{ matrix.os }} == 'windows-2019'
         shell: bash
         run: |
           cd cts;

README.md

@@ -86,7 +86,7 @@ We have multiple methods of testing, each of which tests different qualities abo
 | DX12/Windows 10  | :heavy_check_mark: (over WARP)                                         |
 | DX11/Windows 10  | :construction: (over WARP)                                             |
 | Metal/MacOS      | :x: (no CPU runner)                                                    |
-| Vulkan/Linux     | :x: ([lavapipe segfaults](https://github.com/gfx-rs/wgpu/issues/1551)) |
+| Vulkan/Linux     | :ok: ([cts hangs](https://github.com/gfx-rs/wgpu/issues/1974))         |
 | GLES/Linux       | :x: ([egl fails init](https://github.com/gfx-rs/wgpu/issues/1551))     |
 
 ### Core Test Infrastructure