Android support and CI (#58)

.travis.yml

@@ -85,8 +85,65 @@ matrix:
     before_script: 
       - docker run -dit --name emscripten -v $(pwd):/src trzeci/emscripten:sdk-incoming-64bit bash
     script:
-      - docker exec -it emscripten emconfigure cmake . -DBGFX_BUILD_TOOLS=OFF
+      - docker exec -it emscripten emconfigure cmake . -DBGFX_BUILD_TOOLS=OFF -DBGFX_AMALGAMATED=$AMALGAMATED -DBX_AMALGAMATED=$AMALGAMATED
       - docker exec -it emscripten emmake make
+    env:
+      - AMALGAMATED=OFF
+
+  - name: "Emscripten Amalgamated"
+    os: linux
+    dist: xenial
+    language: node_js
+    services:
+      - docker
+    before_script: 
+      - docker run -dit --name emscripten -v $(pwd):/src trzeci/emscripten:sdk-incoming-64bit bash
+    script:
+      - docker exec -it emscripten emconfigure cmake . -DBGFX_BUILD_TOOLS=OFF -DBGFX_AMALGAMATED=$AMALGAMATED -DBX_AMALGAMATED=$AMALGAMATED
+      - docker exec -it emscripten emmake make
+    env:
+      - AMALGAMATED=OFF
+
+  - name: "Android armeabi-v7a"
+    language: android
+    android: &androidComponents
+      components:
+        - tools
+        - platform-tools
+        - build-tools-26.0.1
+    env:
+      - CMAKE_FLAGS="-DCMAKE_SYSTEM_NAME=Android -DBGFX_BUILD_TOOLS=OFF -DBGFX_BUILD_EXAMPLES=OFF -DCMAKE_ANDROID_NDK=$TRAVIS_BUILD_DIR/android-ndk-r18b -DCMAKE_ANDROID_ARCH_ABI=armeabi-v7a -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26"
+      - AMALGAMATED=OFF
+    install: &androidInstall
+      - echo y | sdkmanager "cmake;3.10.2.4988404" 
+      - echo y | sdkmanager "lldb;3.1"
+      - sudo ln -sf /usr/local/android-sdk/cmake/3.10.2.4988404/bin/cmake /usr/bin/cmake
+      - wget https://dl.google.com/android/repository/android-ndk-r18b-linux-x86_64.zip
+      - unzip -qq android-ndk-r18b-linux-x86_64.zip
+
+  - name: "Android armeabi-v7a Amalgamated"
+    language: android
+    android: *androidComponents
+    env:
+      - CMAKE_FLAGS="-DCMAKE_SYSTEM_NAME=Android -DBGFX_BUILD_TOOLS=OFF -DBGFX_BUILD_EXAMPLES=OFF -DCMAKE_ANDROID_NDK=$TRAVIS_BUILD_DIR/android-ndk-r18b -DCMAKE_ANDROID_ARCH_ABI=armeabi-v7a -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26"
+      - AMALGAMATED=ON
+    install: *androidInstall
+
+  - name: "Android x86"
+    language: android
+    android: *androidComponents
+    env:
+      - CMAKE_FLAGS="-DCMAKE_SYSTEM_NAME=Android -DBGFX_BUILD_TOOLS=OFF -DBGFX_BUILD_EXAMPLES=OFF -DCMAKE_ANDROID_NDK=$TRAVIS_BUILD_DIR/android-ndk-r18b -DCMAKE_ANDROID_ARCH_ABI=x86 -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26"
+      - AMALGAMATED=OFF
+    install: *androidInstall
+
+  - name: "Android x86 Amalgamated"
+    language: android
+    android: *androidComponents
+    env:
+      - CMAKE_FLAGS="-DCMAKE_SYSTEM_NAME=Android -DBGFX_BUILD_TOOLS=OFF -DBGFX_BUILD_EXAMPLES=OFF -DCMAKE_ANDROID_NDK=$TRAVIS_BUILD_DIR/android-ndk-r18b -DCMAKE_ANDROID_ARCH_ABI=x86 -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26"
+      - AMALGAMATED=ON
+    install: *androidInstall
 
 script:
   - mkdir build && cd build

cmake/bgfx.cmake

@@ -77,7 +77,7 @@ elseif( APPLE )
 	target_link_libraries( bgfx PUBLIC ${COCOA_LIBRARY} ${METAL_LIBRARY} ${QUARTZCORE_LIBRARY} )
 endif()
 
-if( UNIX AND NOT APPLE AND NOT EMSCRIPTEN )
+if( UNIX AND NOT APPLE AND NOT EMSCRIPTEN AND NOT ANDROID )
 	find_package(X11 REQUIRED)
 	find_package(OpenGL REQUIRED)
 	#The following commented libraries are linked by bx

cmake/bx.cmake

@@ -58,7 +58,7 @@ if(BGFX_CONFIG_DEBUG)
 endif()
 
 # Additional dependencies on Unix
-if( UNIX AND NOT APPLE )
+if( UNIX AND NOT APPLE AND NOT ANDROID )
 	# Threads
 	find_package( Threads )
 	target_link_libraries( bx ${CMAKE_THREAD_LIBS_INIT} dl )

cmake/tools/shaderc.cmake

@@ -25,7 +25,9 @@ if( BGFX_CUSTOM_TARGETS )
 	add_dependencies( tools shaderc )
 endif()
 
-if (IOS)
+if (ANDROID)
+	target_link_libraries( shaderc log )
+elseif (IOS)
 	set_target_properties(shaderc PROPERTIES MACOSX_BUNDLE ON
 											 MACOSX_BUNDLE_GUI_IDENTIFIER shaderc)
 endif()

cmake/tools/texturec.cmake

@@ -17,7 +17,9 @@ if( BGFX_CUSTOM_TARGETS )
 	add_dependencies( tools texturec )
 endif()
 
-if (IOS)
+if (ANDROID)
+	target_link_libraries( texturec log )
+elseif (IOS)
 	set_target_properties(texturec PROPERTIES MACOSX_BUNDLE ON
 											  MACOSX_BUNDLE_GUI_IDENTIFIER texturec)
 endif()