Pass back transformHint on Surface Creation

Bug: 141939598
Test: build, boot, SurfaceFlinger_test, libgui_test,
libsurfaceflinger_unittest

Change-Id: I35a77ac1399ad4248cb1c2357afb869de4c15170
diff --git a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
index a48f553..999e82d 100644
--- a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
@@ -15,9 +15,9 @@
  */
 
 #include <gui/BufferItemConsumer.h>
+#include <ui/Transform.h>
 #include <thread>
 #include "TransactionTestHarnesses.h"
-
 namespace android {
 
 using android::hardware::graphics::common::V1_1::BufferUsage;
@@ -188,6 +188,15 @@
     getScreenCapture()->expectColor(Rect(0, 0, 64, 64), Color::RED);
 }
 
+TEST_P(LayerRenderTypeTransactionTest, CreateLayer_BufferState) {
+    uint32_t transformHint = ui::Transform::orientation_flags::ROT_INVALID;
+    sp<SurfaceControl> layer;
+    ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32,
+                                                ISurfaceComposerClient::eFXSurfaceBufferState,
+                                                /*parent*/ nullptr, &transformHint));
+    ASSERT_NE(ui::Transform::orientation_flags::ROT_INVALID, transformHint);
+}
+
 void LayerRenderTypeTransactionTest::setRelativeZBasicHelper(uint32_t layerType) {
     sp<SurfaceControl> layerR;
     sp<SurfaceControl> layerG;
diff --git a/services/surfaceflinger/tests/LayerTransactionTest.h b/services/surfaceflinger/tests/LayerTransactionTest.h
index 7edddb6..f7a6d96 100644
--- a/services/surfaceflinger/tests/LayerTransactionTest.h
+++ b/services/surfaceflinger/tests/LayerTransactionTest.h
@@ -53,9 +53,10 @@
 
     virtual sp<SurfaceControl> createLayer(const sp<SurfaceComposerClient>& client,
                                            const char* name, uint32_t width, uint32_t height,
-                                           uint32_t flags = 0, SurfaceControl* parent = nullptr) {
-        auto layer =
-                createSurface(client, name, width, height, PIXEL_FORMAT_RGBA_8888, flags, parent);
+                                           uint32_t flags = 0, SurfaceControl* parent = nullptr,
+                                           uint32_t* outTransformHint = nullptr) {
+        auto layer = createSurface(client, name, width, height, PIXEL_FORMAT_RGBA_8888, flags,
+                                   parent, outTransformHint);
 
         Transaction t;
         t.setLayerStack(layer, mDisplayLayerStack).setLayer(layer, mLayerZBase);
@@ -72,15 +73,18 @@
     virtual sp<SurfaceControl> createSurface(const sp<SurfaceComposerClient>& client,
                                              const char* name, uint32_t width, uint32_t height,
                                              PixelFormat format, uint32_t flags,
-                                             SurfaceControl* parent = nullptr) {
-        auto layer = client->createSurface(String8(name), width, height, format, flags, parent);
+                                             SurfaceControl* parent = nullptr,
+                                             uint32_t* outTransformHint = nullptr) {
+        auto layer = client->createSurface(String8(name), width, height, format, flags, parent,
+                                           LayerMetadata(), outTransformHint);
         EXPECT_NE(nullptr, layer.get()) << "failed to create SurfaceControl";
         return layer;
     }
 
     virtual sp<SurfaceControl> createLayer(const char* name, uint32_t width, uint32_t height,
-                                           uint32_t flags = 0, SurfaceControl* parent = nullptr) {
-        return createLayer(mClient, name, width, height, flags, parent);
+                                           uint32_t flags = 0, SurfaceControl* parent = nullptr,
+                                           uint32_t* outTransformHint = nullptr) {
+        return createLayer(mClient, name, width, height, flags, parent, outTransformHint);
     }
 
     sp<SurfaceControl> createColorLayer(const char* name, const Color& color,
diff --git a/services/surfaceflinger/tests/TransactionTestHarnesses.h b/services/surfaceflinger/tests/TransactionTestHarnesses.h
index 8fdcde4..5612bb2 100644
--- a/services/surfaceflinger/tests/TransactionTestHarnesses.h
+++ b/services/surfaceflinger/tests/TransactionTestHarnesses.h
@@ -114,12 +114,14 @@
     LayerTypeTransactionHarness(uint32_t layerType) : mLayerType(layerType) {}
 
     sp<SurfaceControl> createLayer(const char* name, uint32_t width, uint32_t height,
-                                   uint32_t flags = 0, SurfaceControl* parent = nullptr) {
+                                   uint32_t flags = 0, SurfaceControl* parent = nullptr,
+                                   uint32_t* outTransformHint = nullptr) {
         // if the flags already have a layer type specified, return an error
         if (flags & ISurfaceComposerClient::eFXSurfaceMask) {
             return nullptr;
         }
-        return LayerTransactionTest::createLayer(name, width, height, flags | mLayerType, parent);
+        return LayerTransactionTest::createLayer(name, width, height, flags | mLayerType, parent,
+                                                 outTransformHint);
     }
 
     void fillLayerColor(const sp<SurfaceControl>& layer, const Color& color, int32_t bufferWidth,