package/ci: enable Vulkan building on Travis CI.

Currently a separate job with everything that depends on GL disabled.
And against a minimal Vulkan driver that has just four symbols, because
I can't run the stuff there anyway.

package/ci/libvulkan.cpp

@@ -0,0 +1,21 @@
+/* Yes. I know what I am doing. Yes. Really. */
+
+extern "C" {
+
+int vkCreateInstance(const void*, const void*, void*) {
+    return -9;
+}
+
+int vkEnumerateInstanceExtensionProperties(const void*, void*, void*) {
+    return -9;
+}
+
+int vkEnumerateInstanceLayerProperties(void*, void*) {
+    return -9;
+}
+
+void(*vkGetInstanceProcAddr(void*, const void*))() {
+    return nullptr;
+}
+
+}

package/ci/travis-android-arm.sh

@@ -52,6 +52,7 @@ cmake .. \
     -DCMAKE_BUILD_TYPE=Release \
     -DTARGET_GLES2=$TARGET_GLES2 \
     -DWITH_AUDIO=OFF \
+    -DWITH_VK=OFF \
     -DWITH_ANDROIDAPPLICATION=ON \
     -DWITH_EGLCONTEXT=ON \
     -DWITH_ANYAUDIOIMPORTER=OFF \

package/ci/travis-desktop-gles.sh

@@ -24,6 +24,7 @@ cmake .. \
     -DTARGET_GLES2=$TARGET_GLES2 \
     -DTARGET_DESKTOP_GLES=ON \
     -DWITH_AUDIO=ON \
+    -DWITH_VK=OFF \
     -DWITH_GLFWAPPLICATION=OFF \
     -DWITH_SDL2APPLICATION=OFF \
     -DWITH_WINDOWLESS${PLATFORM_GL_API}APPLICATION=ON \

package/ci/travis-desktop-vulkan.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -ev
+
+# Corrade
+git clone --depth 1 git://github.com/mosra/corrade.git
+cd corrade
+mkdir build && cd build
+cmake .. \
+    -DCMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS" \
+    -DCMAKE_INSTALL_PREFIX=$HOME/deps \
+    -DCMAKE_INSTALL_RPATH=$HOME/deps/lib \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DBUILD_DEPRECATED=$BUILD_DEPRECATED \
+    -DWITH_INTERCONNECT=OFF \
+    -DWITH_PLUGINMANAGER=OFF \
+    -G Ninja
+ninja install
+cd ../..
+
+mkdir build && cd build
+# Not using CXXFLAGS in order to avoid affecting dependencies
+cmake .. \
+    -DCMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS" \
+    -DCMAKE_INSTALL_PREFIX=$HOME/deps \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DVulkan_LIBRARY=$HOME/libvulkan.so \
+    -DWITH_AUDIO=OFF \
+    -DWITH_DEBUGTOOLS=OFF \
+    -DWITH_GL=OFF \
+    -DWITH_MESHTOOLS=OFF \
+    -DWITH_PRIMITIVES=OFF \
+    -DWITH_SCENEGRAPH=ON \
+    -DWITH_SHADERS=OFF \
+    -DWITH_SHAPES=ON \
+    -DWITH_TEXT=OFF \
+    -DWITH_TEXTURETOOLS=OFF \
+    -DWITH_TRADE=OFF \
+    -DWITH_VK=ON \
+    -DWITH_AL_INFO=OFF \
+    -DWITH_VK_INFO=ON \
+    -DBUILD_TESTS=ON \
+    -DBUILD_VK_TESTS=ON \
+    -DBUILD_DEPRECATED=$BUILD_DEPRECATED \
+    -G Ninja
+# Otherwise the job gets killed (probably because using too much memory)
+ninja -j4
+ASAN_OPTIONS="color=always" LSAN_OPTIONS="color=always suppressions=$TRAVIS_BUILD_DIR/package/ci/leaksanitizer.conf" CORRADE_TEST_COLOR=ON ctest -V -E GLTest

package/ci/travis-desktop.sh

@@ -23,7 +23,9 @@ cmake .. \
     -DCMAKE_INSTALL_PREFIX=$HOME/deps \
     -DCMAKE_PREFIX_PATH=$HOME/glfw \
     -DCMAKE_BUILD_TYPE=Debug \
+    -DVULKAN_LIBRARY=$HOME/libvulkan.so \
     -DWITH_AUDIO=ON \
+    -DWITH_VK=OFF \
     -DWITH_GLFWAPPLICATION=ON \
     -DWITH_GLUTAPPLICATION=$WITH_GLUTAPPLICATION \
     -DWITH_SDL2APPLICATION=ON \

package/ci/travis-emscripten.sh

@@ -49,6 +49,7 @@ cmake .. \
     -DCMAKE_INSTALL_PREFIX=$HOME/deps \
     -DCMAKE_FIND_ROOT_PATH=$HOME/deps \
     -DWITH_AUDIO=ON \
+    -DWITH_VK=OFF \
     -DWITH_SDL2APPLICATION=ON \
     -WDITH_WINDOWLESSEGLAPPLICATION=ON \
     -DWITH_ANYAUDIOIMPORTER=ON \

package/ci/travis-ios-simulator.sh

@@ -45,6 +45,7 @@ cmake .. \
     -DCMAKE_PREFIX_PATH="$HOME/deps;$TRAVIS_BUILD_DIR/sdl2" \
     -DTARGET_GLES2=$TARGET_GLES2 \
     -DWITH_AUDIO=ON \
+    -DWITH_VK=OFF \
     -DWITH_SDL2APPLICATION=ON \
     -DWITH_WINDOWLESSIOSAPPLICATION=ON \
     -DWITH_EGLCONTEXT=ON \

package/ci/travis.yml

@@ -59,6 +59,19 @@ matrix:
         - libxinerama-dev
         - libxcursor-dev
         #- libxi-dev
+  - language: cpp
+    os: linux
+    dist: trusty
+    compiler: gcc
+    env:
+    - JOBID=linux-vulkan
+    - TARGET=desktop-vulkan
+    - CMAKE_CXX_FLAGS="--coverage"
+    addons:
+      apt:
+        packages:
+        - ninja-build
+        - lcov
   - language: cpp
     os: linux
     dist: trusty
@@ -170,12 +183,12 @@ cache:
   - $HOME/cmake
 
 install:
-- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-sanitizers" ] && [ ! "$TARGET" == "android" ]; then export CXX=g++-4.7; fi
+- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-sanitizers" ] && [ ! "$TARGET" == "android" ] && [ ! "$TARGET" == "desktop-vulkan" ]; then export CXX=g++-4.7; fi
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "desktop-sanitizers" ]; then export CXX=clang++-3.8; fi
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "desktop" ]; then export WITH_GLUTAPPLICATION=ON; fi
-- if [ "$WITH_GLUTAPPLICATION" != "ON" ]; then export WITH_GLUTAPPLICATION=OFF; fi
+- if [ "$WITH_GLUTAPPLICATION" != "ON" ] && [ ! "$TARGET" == "desktop-vulkan" ]; then export WITH_GLUTAPPLICATION=OFF; fi
 - if [ "$BUILD_DEPRECATED" != "OFF" ]; then export BUILD_DEPRECATED=ON; fi
-- if [ "$TRAVIS_OS_NAME" == "linux" ]; then export PLATFORM_GL_API=GLX; fi
+- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-vulkan" ]; then export PLATFORM_GL_API=GLX; fi
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "android" ]; then wget -nc https://dl.google.com/android/repository/android-ndk-r16b-linux-x86_64.zip && unzip -q android-*.zip; fi
 # Download CMake 2.8.12 to ensure we're still compatible with it (Travis has
 # 3.9 since December 2017). Also, the PATH setting can't be cached, so it's
@@ -183,9 +196,9 @@ install:
 # are running, so for it we use the preinstalled CMake. Android needs CMake
 # 3.7, but https://gitlab.kitware.com/cmake/cmake/issues/17253 is fixed in
 # 3.9.2, so grab that.
-- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-sanitizers" ] && [ ! "$TARGET" == "android" ] && [ ! -e "$HOME/cmake/bin" ]; then cd $HOME ; wget -nc --no-check-certificate https://cmake.org/files/v2.8/cmake-2.8.12.2-Linux-i386.tar.gz && mkdir -p cmake && cd cmake && tar --strip-components=1 -xzf ../cmake-2.8.12.2-Linux-i386.tar.gz && cd $TRAVIS_BUILD_DIR ; fi
+- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-sanitizers" ] && [ ! "$TARGET" == "android" ] && [ ! "$TARGET" == "desktop-vulkan" ] && [ ! -e "$HOME/cmake/bin" ]; then cd $HOME ; wget -nc --no-check-certificate https://cmake.org/files/v2.8/cmake-2.8.12.2-Linux-i386.tar.gz && mkdir -p cmake && cd cmake && tar --strip-components=1 -xzf ../cmake-2.8.12.2-Linux-i386.tar.gz && cd $TRAVIS_BUILD_DIR ; fi
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "android" ] && [ ! -e "$HOME/cmake/bin" ]; then cd $HOME ; wget -nc --no-check-certificate https://cmake.org/files/v3.9/cmake-3.9.2-Linux-x86_64.tar.gz && mkdir -p cmake && cd cmake && tar --strip-components=1 -xzf ../cmake-3.9.2-Linux-x86_64.tar.gz && cd $TRAVIS_BUILD_DIR ; fi
-- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-sanitizers" ]; then export PATH=$HOME/cmake/bin:$PATH && cmake --version; fi
+- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ ! "$TARGET" == "desktop-vulkan" ] && [ ! "$TARGET" == "desktop-sanitizers" ]; then export PATH=$HOME/cmake/bin:$PATH && cmake --version; fi
 - if [ "$TRAVIS_OS_NAME" == "osx" ]; then HOMEBREW_NO_AUTO_UPDATE=1 brew install ninja; fi
 - if [ "$TRAVIS_OS_NAME" == "osx" ] && [[ "$CMAKE_CXX_FLAGS" == *"--coverage"* ]]; then HOMEBREW_NO_AUTO_UPDATE=1 brew install lcov; fi
 - if [ "$TRAVIS_OS_NAME" == "osx" ] && [ "$TARGET" == "desktop" ]; then export PLATFORM_GL_API=CGL; fi
@@ -203,8 +216,12 @@ install:
 # supporting that. Latest GLFW is tested on macOS.
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && ( [ "$TARGET" == "desktop" ] || [ "$TARGET" == "desktop-sanitizers" ] ) && [ ! -e "$HOME/glfw/include" ]; then wget https://github.com/glfw/glfw/releases/download/3.1.2/glfw-3.1.2.zip && unzip glfw-3.1.2.zip && cd glfw-3.1.2 && mkdir build && cd build && cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/glfw -DCMAKE_BUILD_TYPE=Release -DGLFW_BUILD_EXAMPLES=OFF -DGLFW_BUILD_TESTS=OFF -DGLFW_BUILD_DOCS=OFF -DBUILD_SHARED_LIBS=ON && cmake --build . --target install && cd ../..; fi
 
+# Vulkan (eheh)
+- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "desktop-vulkan" ]; then g++ package/ci/libvulkan.cpp -std=c++11 -shared -o $HOME/libvulkan.so; fi
+
 script:
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && ( [ "$TARGET" == "desktop" ] || [ "$TARGET" == "desktop-sanitizers" ] ); then ./package/ci/travis-desktop.sh; fi
+- if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "desktop-vulkan" ]; then ./package/ci/travis-desktop-vulkan.sh; fi
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "desktop-gles" ]; then ./package/ci/travis-desktop-gles.sh; fi
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "android" ]; then ./package/ci/travis-android-arm.sh; fi
 - if [ "$TRAVIS_OS_NAME" == "osx" ] && [ "$TARGET" == "desktop" ]; then ./package/ci/travis-desktop.sh; fi