# Description: Vulkan validation layers
# URL: https://www.khronos.org/vulkan/
# Maintainer: Danny Rawlins, crux at romster dot me
# Depends on: cmake glslang spirv-tools vulkan-headers xorg-libxcb xorg-libx11 xorg-libxrandr
# Optional: wayland

name=vulkan-validation-layers
version=1.2.177
_spirv_headers=dafead1765f6c1a5f9f8a76387dcb2abe4e54acd
_robin_hood=3.11.1
release=1
source=(https://github.com/KhronosGroup/Vulkan-ValidationLayers/archive/v$version/Vulkan-ValidationLayers-$version.tar.gz
	https://github.com/KhronosGroup/SPIRV-Headers/archive/$_spirv_headers/SPIRV-Headers-$_spirv_headers.tar.gz
	https://github.com/martinus/robin-hood-hashing/archive/$_robin_hood/robin-hood-hashing-$_robin_hood.tar.gz
	known_good.py.in)

build() {
	mkdir -p Vulkan-ValidationLayers-$version/headers/external/spirv-headers \
		Vulkan-ValidationLayers-$version/robin_hood/external/robin-hood-hashing
	cp -r SPIRV-Headers-$_spirv_headers/* Vulkan-ValidationLayers-$version/headers/external/spirv-headers
	cp -r robin-hood-hashing-$_robin_hood/* Vulkan-ValidationLayers-$version/robin_hood/external/robin-hood-hashing

	sed -e "s|@SRC@|$SRC/Vulkan-ValidationLayers-$version|" $SRC/known_good.py.in > $SRC/known_good.py
	chmod u+x $SRC/known_good.py
	$SRC/known_good.py

	prt-get isinst ninja && PKGMK_VULKAN_VALIDATION_LAYERS+=' -G Ninja'
	prt-get isinst wayland || PKGMK_VULKAN_VALIDATION_LAYERS+=' -D BUILD_WSI_WAYLAND_SUPPORT=OFF'

	cmake -S Vulkan-ValidationLayers-$version -B build $PKGMK_VULKAN_VALIDATION_LAYERS \
		-D CMAKE_INSTALL_PREFIX=/usr \
		-D CMAKE_INSTALL_LIBDIR=lib \
		-D CMAKE_BUILD_TYPE=Release \
		-D CMAKE_CXX_FLAGS_RELEASE="${CXXFLAGS}" \
		-D BUILD_TESTS=OFF \
		-D BUILD_LAYER_SUPPORT_FILES=ON \
		-D GLSLANG_INSTALL_DIR:PATH='/usr/include/glslang' \
		-D ROBIN_HOOD_HASHING_INSTALL_DIR:PATH="$SRC/Vulkan-ValidationLayers-$version/robin_hood/external/robin-hood-hashing" \
		-D SPIRV_HEADERS_INSTALL_DIR:PATH="$SRC/Vulkan-ValidationLayers-$version/headers/external/spirv-headers" \
		-Wno-dev

	cmake --build build
	DESTDIR=$PKG cmake --install build
}