package librga
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import (
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"android/soong/android"
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"android/soong/cc"
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"fmt"
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"strings"
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"strconv"
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"unsafe"
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)
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func init() {
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fmt.Println("librga want to conditional Compile")
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android.RegisterModuleType("cc_librga", DefaultsFactory)
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}
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func DefaultsFactory() (android.Module) {
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module := cc.DefaultsFactory()
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android.AddLoadHook(module, Defaults)
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return module
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}
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func Defaults(ctx android.LoadHookContext) {
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sdkVersion := ctx.AConfig().PlatformSdkVersion()
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sdkVersionInt, err := strconv.Atoi(*(*string)(unsafe.Pointer(&sdkVersion)))
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if err != nil {
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fmt.Printf("librga cannot get ApiLevel, %q could not be parsed as an integer\n", sdkVersion)
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panic(1)
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}
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if (sdkVersionInt >= 29 ) {
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type props struct {
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Srcs []string
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Cflags []string
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Shared_libs []string
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Include_dirs []string
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Header_libs []string
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Export_header_lib_headers []string
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Double_loadable *bool
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}
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p := &props{}
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p.Srcs = getSrcs(ctx, sdkVersionInt)
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p.Cflags = getCflags(ctx, sdkVersionInt)
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p.Shared_libs = getSharedLibs(ctx, sdkVersionInt)
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p.Include_dirs = getIncludeDirs(ctx, sdkVersionInt)
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p.Header_libs = getHeaders(ctx, sdkVersionInt)
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p.Export_header_lib_headers = getExportHeaders(ctx, sdkVersionInt)
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double_loadable := true
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p.Double_loadable = &double_loadable
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ctx.AppendProperties(p)
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} else {
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type props struct {
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Srcs []string
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Cflags []string
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Shared_libs []string
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Include_dirs []string
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}
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p := &props{}
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p.Srcs = getSrcs(ctx, sdkVersionInt)
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p.Cflags = getCflags(ctx, sdkVersionInt)
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p.Shared_libs = getSharedLibs(ctx, sdkVersionInt)
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p.Include_dirs = getIncludeDirs(ctx, sdkVersionInt)
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ctx.AppendProperties(p)
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}
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}
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//条件编译主要修改函数
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func getSrcs(ctx android.BaseContext, sdkVersion int) ([]string) {
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var src []string
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_RK_GRALLOC_VERSION"),"4") ) {
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if (sdkVersion >= 30 ) {
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src = append(src, "core/platform_gralloc4.cpp")
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}
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}
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return src
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}
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func getCflags(ctx android.BaseContext, sdkVersion int) ([]string) {
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var cppflags []string
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//该打印输出为: TARGET_PRODUCT:rk3328 fmt.Println("TARGET_PRODUCT:",ctx.AConfig().Getenv("TARGET_PRODUCT")) //通过 strings.EqualFold 比较字符串，可参考go语言字符串对比
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_BOARD_PLATFORM"),"rk3368") ) {
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//添加 DEBUG 宏定义
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cppflags = append(cppflags,"-DRK3368=1")
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}
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_RK_GRALLOC_VERSION"),"4") ) {
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if (sdkVersion >= 30 ) {
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cppflags = append(cppflags,"-DUSE_GRALLOC_4")
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}
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}
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//将需要区分的环境变量在此区域添加 //....
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return cppflags
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}
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func getSharedLibs(ctx android.BaseContext, sdkVersion int) ([]string) {
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var libs []string
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_RK_GRALLOC_VERSION"),"4") ) {
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if (sdkVersion >= 30 ) {
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libs = append(libs, "libgralloctypes")
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libs = append(libs, "libhidlbase")
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libs = append(libs, "android.hardware.graphics.mapper@4.0")
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}
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}
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if (sdkVersion < 29 ) {
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libs = append(libs, "libdrm")
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}
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return libs
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}
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func getIncludeDirs(ctx android.BaseContext, sdkVersion int) ([]string) {
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var dirs []string
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_RK_GRALLOC_VERSION"),"4") ) {
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if (sdkVersion >= 30 ) {
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dirs = append(dirs, "hardware/rockchip/libgralloc/bifrost")
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dirs = append(dirs, "hardware/rockchip/libgralloc/bifrost/src")
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}
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}
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// Add libion for RK3368
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if (sdkVersion >= 29) {
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if (sdkVersion >= 30) {
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dirs = append(dirs, "system/memory/libion/original-kernel-headers")
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} else {
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dirs = append(dirs, "system/core/libion/original-kernel-headers")
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}
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}
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return dirs
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}
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func getHeaders(ctx android.BaseContext, sdkVersion int) ([]string) {
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var headers []string
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if (sdkVersion >= 31 ) {
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headers = append(headers, "libhardware_rockchip_headers")
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}
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return headers
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}
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func getExportHeaders(ctx android.BaseContext, sdkVersion int) ([]string) {
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var headers []string
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if (sdkVersion >= 31 ) {
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headers = append(headers, "libhardware_rockchip_headers")
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}
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return headers
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}
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