Generic 4f gradient T sampler fallback

src/effects/gradients/SkLinearGradient.cpp

Index: src/effects/gradients/SkLinearGradient.cpp
diff --git a/src/effects/gradients/SkLinearGradient.cpp b/src/effects/gradients/SkLinearGradient.cpp
index 8ad120991d5176c64fb2439dc823eb76082a48a0..a26095e1f2a15c43f1302d526237b9148fb057d1 100644
--- a/src/effects/gradients/SkLinearGradient.cpp
+++ b/src/effects/gradients/SkLinearGradient.cpp
@@ -51,12 +51,6 @@ static bool use_4f_context(const SkShader::ContextRec& rec, uint32_t flags) {
 #ifdef FORCE_4F_CONTEXT
     return true;
 #else
-    // Perspective not supported in 4f yet.
-    if (rec.fMatrix->hasPerspective()
-        || (rec.fLocalMatrix && rec.fLocalMatrix->hasPerspective())) {
-        return false;
-    }
-
     return rec.fPreferredDstType == SkShader::ContextRec::kPM4f_DstType
         || SkToBool(flags & SkLinearGradient::kForce4fContext_PrivateFlag);
 #endif