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package libsurfaceflinger
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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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)
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func init() {
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//该打印会在执行mm命令时，打印在屏幕上
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//fmt.Println("SurfaceFlinger want to conditional Compile")
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android.RegisterModuleType("cc_libcompositionengine", 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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type props struct {
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Cflags []string
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}
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p := &props{}
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p.Cflags = globalDefaults(ctx)
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ctx.AppendProperties(p)
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}
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//条件编译主要修改函数
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func globalDefaults(ctx android.BaseContext) ([]string) {
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var cflags []string
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//fmt.Println("BOARD_HS_DYNAMIC_AFBC_TARGET_SF:",ctx.AConfig().Getenv("BOARD_HS_DYNAMIC_AFBC_TARGET"))
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if (!strings.EqualFold(ctx.AConfig().Getenv("TARGET_BOARD_PLATFORM"),"rk356x") &&
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!strings.EqualFold(ctx.AConfig().Getenv("TARGET_BOARD_PLATFORM"),"rk3588")){
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cflags = append(cflags,"-DDISABLE_EXTERNAL_DISP_AFBC=1")
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cflags = append(cflags,"-DUSE_HWC2ON1ADAPTER=1")
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}
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_RK_GRALLOC_VERSION"),"4") ) {
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cflags = append(cflags,"-DUSE_GRALLOC_4=1")
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}
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if (strings.EqualFold(ctx.AConfig().Getenv("TARGET_BOARD_PLATFORM_GPU"),"mali400")||
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strings.EqualFold(ctx.AConfig().Getenv("TARGET_BOARD_PLATFORM_GPU"),"mali450")){
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cflags = append(cflags,"-DRK_UTGARD_GPU_WAIT_RELEASE_FENCE=1")
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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 cflags
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}
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