From 5829c0dbc6e7785cec5af12891ba2ead784d1a69 Mon Sep 17 00:00:00 2001
From: "Thiago Marcos P. Santos" <thiago@mapbox.com>
Date: Tue, 4 Oct 2016 17:26:08 +0300
Subject: [PATCH] [build] Re-add benchmark tests to the buildsystem

Probably lost on the cmake migration
---
 .travis.yml                                   |  1 +
 CMakeLists.txt                                |  5 +++
 Makefile                                      | 10 ++++++
 .../{filter.cpp => filter.benchmark.cpp}      |  0
 cmake/benchmark-files.cmake                   | 15 +++++++++
 cmake/benchmark.cmake                         | 32 +++++++++++++++++++
 platform/linux/config.cmake                   | 18 +++++++++++
 scripts/generate-benchmark-files.sh           | 20 ++++++++++++
 8 files changed, 101 insertions(+)
 rename benchmark/parse/{filter.cpp => filter.benchmark.cpp} (100%)
 create mode 100644 cmake/benchmark-files.cmake
 create mode 100644 cmake/benchmark.cmake
 create mode 100755 scripts/generate-benchmark-files.sh

diff --git a/.travis.yml b/.travis.yml
index 793f0130d..6c749acfd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,6 +45,7 @@ before_script:
   - cmake --version
 script:
   - make linux
+  - make benchmark
   - make test
   - make run-test
 after_script:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 79c85829e..d021c856f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,6 +59,11 @@ if(COMMAND mbgl_platform_test)
     include(cmake/test.cmake)
 endif()
 
+if(COMMAND mbgl_platform_benchmark)
+    include(cmake/benchmark-files.cmake)
+    include(cmake/benchmark.cmake)
+endif()
+
 if(COMMAND mbgl_platform_glfw)
     include(cmake/glfw.cmake)
 endif()
diff --git a/Makefile b/Makefile
index 0f4cefa4b..6d191d80f 100644
--- a/Makefile
+++ b/Makefile
@@ -285,6 +285,10 @@ linux: glfw-app render offline
 test: $(LINUX_BUILD)
 	$(NINJA) $(NINJA_ARGS) -j$(JOBS) -C $(LINUX_OUTPUT_PATH) mbgl-test
 
+.PHONY: benchmark
+benchmark: $(LINUX_BUILD)
+	$(NINJA) $(NINJA_ARGS) -j$(JOBS) -C $(LINUX_OUTPUT_PATH) mbgl-benchmark
+
 ifneq (,$(shell which gdb))
   GDB = gdb -batch -return-child-result -ex 'set print thread-events off' -ex 'run' -ex 'thread apply all bt' --args
 endif
@@ -295,6 +299,12 @@ run-test: run-test-*
 run-test-%: test
 	$(GDB) $(LINUX_OUTPUT_PATH)/mbgl-test --gtest_catch_exceptions=0 --gtest_filter=$*
 
+.PHONY: run-benchmark
+run-benchmark: run-benchmark-.
+
+run-benchmark-%: benchmark
+	$(GDB) $(LINUX_OUTPUT_PATH)/mbgl-benchmark --benchmark_filter=$*
+
 .PHONY: render
 render: $(LINUX_BUILD)
 	$(NINJA) $(NINJA_ARGS) -j$(JOBS) -C $(LINUX_OUTPUT_PATH) mbgl-render
diff --git a/benchmark/parse/filter.cpp b/benchmark/parse/filter.benchmark.cpp
similarity index 100%
rename from benchmark/parse/filter.cpp
rename to benchmark/parse/filter.benchmark.cpp
diff --git a/cmake/benchmark-files.cmake b/cmake/benchmark-files.cmake
new file mode 100644
index 000000000..4e3045647
--- /dev/null
+++ b/cmake/benchmark-files.cmake
@@ -0,0 +1,15 @@
+# Do not edit. Regenerate this with ./scripts/generate-benchmark-files.sh
+
+set(MBGL_BENCHMARK_FILES
+    # include/mbgl
+    benchmark/include/mbgl/benchmark.hpp
+
+    # parse
+    benchmark/parse/filter.benchmark.cpp
+
+    # src
+    benchmark/src/main.cpp
+
+    # src/mbgl/benchmark
+    benchmark/src/mbgl/benchmark/benchmark.cpp
+)
diff --git a/cmake/benchmark.cmake b/cmake/benchmark.cmake
new file mode 100644
index 000000000..79da54459
--- /dev/null
+++ b/cmake/benchmark.cmake
@@ -0,0 +1,32 @@
+add_executable(mbgl-benchmark
+    ${MBGL_BENCHMARK_FILES}
+)
+
+target_compile_options(mbgl-benchmark
+    PRIVATE -fvisibility-inlines-hidden
+)
+
+target_include_directories(mbgl-benchmark
+    PRIVATE include
+    PRIVATE src # TODO: eliminate
+    PRIVATE benchmark/include
+    PRIVATE benchmark/src
+    PRIVATE platform/default
+)
+
+if(DEFINED ENV{CI})
+    target_compile_definitions(mbgl-benchmark
+        PRIVATE -DCI_BUILD=1
+    )
+endif()
+
+target_link_libraries(mbgl-benchmark
+    PRIVATE mbgl-core
+)
+
+target_add_mason_package(mbgl-benchmark PRIVATE benchmark)
+target_add_mason_package(mbgl-benchmark PRIVATE rapidjson)
+
+mbgl_platform_benchmark()
+
+create_source_groups(mbgl-benchmark)
diff --git a/platform/linux/config.cmake b/platform/linux/config.cmake
index 24bb5ede0..050a03bcb 100644
--- a/platform/linux/config.cmake
+++ b/platform/linux/config.cmake
@@ -7,6 +7,7 @@ mason_use(libpng VERSION 1.6.25)
 mason_use(libjpeg-turbo VERSION 1.5.0)
 mason_use(webp VERSION 0.5.1)
 mason_use(gtest VERSION 1.7.0${MASON_CXXABI_SUFFIX})
+mason_use(benchmark VERSION 1.0.0)
 
 include(cmake/loop-uv.cmake)
 
@@ -102,6 +103,23 @@ macro(mbgl_platform_test)
 endmacro()
 
 
+macro(mbgl_platform_benchmark)
+    target_sources(mbgl-benchmark
+        PRIVATE benchmark/src/main.cpp
+    )
+
+    set_source_files_properties(
+        benchmark/src/main.cpp
+            PROPERTIES
+        COMPILE_FLAGS -DWORK_DIRECTORY="${CMAKE_SOURCE_DIR}"
+    )
+
+    target_link_libraries(mbgl-benchmark
+        PRIVATE mbgl-loop
+    )
+endmacro()
+
+
 macro(mbgl_platform_node)
     # Enabling node module by defining this macro
 endmacro()
diff --git a/scripts/generate-benchmark-files.sh b/scripts/generate-benchmark-files.sh
new file mode 100755
index 000000000..0fb274cf3
--- /dev/null
+++ b/scripts/generate-benchmark-files.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -e
+set -o pipefail
+
+echo "# Do not edit. Regenerate this with ./scripts/generate-benchmark-files.sh" > cmake/benchmark-files.cmake
+echo "" >> cmake/benchmark-files.cmake
+echo "set(MBGL_BENCHMARK_FILES" >> cmake/benchmark-files.cmake
+PREFIX=
+for FILE in $(git ls-files "benchmark/*.hpp" "benchmark/*.cpp" "benchmark/*.h" "benchmark/*.c" | sort) ; do
+    CURRENT_PREFIX=$(dirname ${FILE#benchmark/})
+    if [ "${PREFIX}" != "${CURRENT_PREFIX}" ]; then
+        if [ ! -z "${PREFIX}" ]; then echo "" >> cmake/benchmark-files.cmake ; fi
+        echo "    # ${CURRENT_PREFIX}" >> cmake/benchmark-files.cmake
+        PREFIX="${CURRENT_PREFIX}"
+    fi
+    echo "    ${FILE}" >> cmake/benchmark-files.cmake
+done
+echo ")" >> cmake/benchmark-files.cmake
+git diff cmake/benchmark-files.cmake