From 7e7a88b831579bd3c7d7b1afd83b727833f3e178 Mon Sep 17 00:00:00 2001
From: Joshua Groves <josh@joshgroves.com>
Date: Tue, 4 Jun 2019 22:09:58 -0230
Subject: [PATCH] Add Windows/glfw3 to CI

---
 .travis.yml                              | 21 ++++++++++++++++-----
 Makefile                                 |  7 +++++--
 examples/hello_triangle_c/CMakeLists.txt | 11 ++++++-----
 3 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index d8595dae7..c696c59c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,8 @@ matrix:
     # Windows 64bit
     - os: windows
       rust: stable
+    - os: windows
+      rust: nightly
 
     # macOS 64bit
     - env: MACOSX_DEPLOYMENT_TARGET=10.9
@@ -45,19 +47,28 @@ addons:
     packages:
     - cmake
     - glfw3
-  choco:
-    packages:
-    - make
 
 branches:
   except:
   - staging.tmp
 
 before_install:
-  - if [[ $TRAVIS_OS_NAME == "windows" ]]; then choco install make; fi
+- if [[ $TRAVIS_OS_NAME == "windows" ]]; then choco install make; fi
 
 script:
   - cargo test
-  - if [[ $TRAVIS_RUST_VERSION == "nightly" ]]; then cargo +nightly install cbindgen && make VERBOSE=1; fi
+  - if [[ $TRAVIS_RUST_VERSION == "nightly" ]] && [[ $TRAVIS_OS_NAME == "windows" ]]; then
+      wget -nc -O glfw.zip https://github.com/glfw/glfw/archive/3.3.zip &&
+      7z x glfw.zip -oglfw &&
+      cd glfw/glfw-3.3 &&
+      export GLFW3_INCLUDE_DIR=`pwd`/include &&
+      export GLFW3_INSTALL_DIR=`pwd`/install &&
+      cmake . -DCMAKE_INSTALL_PREFIX=$GLFW3_INSTALL_DIR -DCMAKE_GENERATOR_PLATFORM=x64 &&
+      cmake --build . --target install &&
+      cd ../.. &&
+      export CMAKE_PREFIX_PATH=$GLFW3_INSTALL_DIR &&
+      make examples-native VERBOSE=1;
+    fi
+  - if [[ $TRAVIS_RUST_VERSION == "nightly" ]] && [[ $TRAVIS_OS_NAME != "windows" ]]; then cargo +nightly install cbindgen && make VERBOSE=1; fi
   # TODO: Temporarily only test building the gl backend, properly test when it is usable from C
   - if [[ $TRAVIS_OS_NAME == "linux" ]]; then cd wgpu-native && cargo build --features local,gfx-backend-gl; fi
diff --git a/Makefile b/Makefile
index 49afab0e6..008824a61 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,8 @@ EXCLUDES:=
 FEATURE_RUST:=
 FEATURE_NATIVE:=
 
+GENERATOR_PLATFORM:=
+
 FFI_DIR:=ffi
 BUILD_DIR:=build
 CLEAN_FFI_DIR:=
@@ -17,6 +19,7 @@ endif
 ifeq ($(OS),Windows_NT)
 	CLEAN_FFI_DIR=del $(FFI_DIR)\*.* /Q /S
 	CREATE_BUILD_DIR=mkdir $(BUILD_DIR)
+	GENERATOR_PLATFORM=-DCMAKE_GENERATOR_PLATFORM=x64
 
 	ifeq ($(TARGET),x86_64-pc-windows-gnu)
 		FEATURE_RUST=vulkan
@@ -71,7 +74,7 @@ ffi/wgpu-remote.h:  wgpu-remote/cbindgen.toml $(wildcard wgpu-native/**/*.rs wgp
 	rustup run nightly cbindgen wgpu-remote >$(FFI_DIR)/wgpu-remote.h
 
 examples-native: lib-native $(FFI_DIR)/wgpu.h examples/hello_triangle_c/main.c
-	cd examples/hello_triangle_c && $(CREATE_BUILD_DIR) && cd build && cmake .. -DBACKEND=$(FEATURE_RUST) && make
+	cd examples/hello_triangle_c && $(CREATE_BUILD_DIR) && cd build && cmake .. -DBACKEND=$(FEATURE_RUST) $(GENERATOR_PLATFORM) && cmake --build .
 
 examples-remote: lib-remote $(FFI_DIR)/wgpu-remote.h examples/hello_remote_c/main.c
-	cd examples/hello_remote_c && $(CREATE_BUILD_DIR) && cd build && cmake .. && make
+	cd examples/hello_remote_c && $(CREATE_BUILD_DIR) && cd build && cmake .. && cmake --build .
diff --git a/examples/hello_triangle_c/CMakeLists.txt b/examples/hello_triangle_c/CMakeLists.txt
index 5bd2d247f..950f90bea 100644
--- a/examples/hello_triangle_c/CMakeLists.txt
+++ b/examples/hello_triangle_c/CMakeLists.txt
@@ -23,7 +23,6 @@ add_executable(hello_triangle main.c)
 if(MSVC)
     add_definitions(-DWGPU_TARGET=WGPU_TARGET_WINDOWS)
     target_compile_options(${TARGET_NAME} PRIVATE /W4)
-    set(GLFW_LIBRARY glfw3)
     set(OS_LIBRARIES "userenv" "ws2_32" "Dwmapi" "dbghelp")    
     if("${BACKEND}" STREQUAL "${BACKEND_DX11}")
         list(APPEND OS_LIBRARIES "d3dcompiler" "D3D11" "DXGI")
@@ -34,17 +33,19 @@ elseif(APPLE)
     add_definitions(-DWGPU_TARGET=WGPU_TARGET_MACOS)
     set(OS_LIBRARIES "-framework Cocoa" "-framework CoreVideo" "-framework IOKit" "-framework QuartzCore")
     target_compile_options(${TARGET_NAME} PRIVATE -x objective-c)
-    set(GLFW_LIBRARY glfw)
 else(MSVC)
     add_definitions(-DWGPU_TARGET=WGPU_TARGET_LINUX)
     target_compile_options(${TARGET_NAME} PRIVATE -Wall -Wextra -pedantic)
-    set(GLFW_LIBRARY glfw)
 endif(MSVC)
 
-find_package(glfw3 REQUIRED)
+find_package(glfw3 3.3 REQUIRED
+    HINTS "$ENV{GLFW3_INSTALL_DIR}"
+)
 
 find_library(WGPU_LIBRARY wgpu_native
     HINTS "${CMAKE_CURRENT_SOURCE_DIR}/../../target/debug"
 )
 
-target_link_libraries(${TARGET_NAME} ${GLFW_LIBRARY} ${WGPU_LIBRARY} ${OS_LIBRARIES})
+target_include_directories(${TARGET_NAME} PUBLIC $ENV{GLFW3_INCLUDE_DIR})
+
+target_link_libraries(${TARGET_NAME} glfw ${WGPU_LIBRARY} ${OS_LIBRARIES})