Add initial implementation of cc::Surfaces backend for exo.

components/exo/surface_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "components/exo/buffer.h"
 #include "components/exo/surface.h"
 #include "components/exo/test/exo_test_base.h"
 #include "components/exo/test/exo_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 
 namespace exo {
 namespace {
 
-using SurfaceTest = test::ExoTestBase;
+class SurfaceTest : public test::ExoTestBase,
+                    public ::testing::WithParamInterface<bool> {
+  void SetUp() override {
+    Surface::SetUseSurfaceLayer(GetParam());
+    test::ExoTestBase::SetUp();
+  }
+};
 
 void ReleaseBuffer(int* release_buffer_call_count) {
   (*release_buffer_call_count)++;
 }
 
-TEST_F(SurfaceTest, Attach) {
+TEST_P(SurfaceTest, Attach) {
   gfx::Size buffer_size(256, 256);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
 
   // Set the release callback that will be run when buffer is no longer in use.
   int release_buffer_call_count = 0;
   buffer->set_release_callback(
       base::Bind(&ReleaseBuffer, base::Unretained(&release_buffer_call_count)));
 
   std::unique_ptr<Surface> surface(new Surface);
 
   // Attach the buffer to surface1.
   surface->Attach(buffer.get());
   surface->Commit();
 
   // Commit without calling Attach() should have no effect.
   surface->Commit();
   EXPECT_EQ(0, release_buffer_call_count);
 
   // Attach a null buffer to surface, this should release the previously
   // attached buffer.
   surface->Attach(nullptr);
   surface->Commit();
   ASSERT_EQ(1, release_buffer_call_count);
 }
 
-TEST_F(SurfaceTest, Damage) {
+TEST_P(SurfaceTest, Damage) {
   gfx::Size buffer_size(256, 256);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   // Attach the buffer to the surface. This will update the pending bounds of
   // the surface to the buffer size.
   surface->Attach(buffer.get());
 
   // Mark areas inside the bounds of the surface as damaged. This should result
   // in pending damage.
   surface->Damage(gfx::Rect(0, 0, 10, 10));
   surface->Damage(gfx::Rect(10, 10, 10, 10));
   EXPECT_TRUE(surface->HasPendingDamageForTesting(gfx::Rect(0, 0, 10, 10)));
   EXPECT_TRUE(surface->HasPendingDamageForTesting(gfx::Rect(10, 10, 10, 10)));
   EXPECT_FALSE(surface->HasPendingDamageForTesting(gfx::Rect(5, 5, 10, 10)));
 }
 
 void SetFrameTime(base::TimeTicks* result, base::TimeTicks frame_time) {
   *result = frame_time;
 }
 
-TEST_F(SurfaceTest, RequestFrameCallback) {
+TEST_P(SurfaceTest, RequestFrameCallback) {
   std::unique_ptr<Surface> surface(new Surface);
 
   base::TimeTicks frame_time;
   surface->RequestFrameCallback(
       base::Bind(&SetFrameTime, base::Unretained(&frame_time)));
   surface->Commit();
 
   // Callback should not run synchronously.
   EXPECT_TRUE(frame_time.is_null());
 }
 
-TEST_F(SurfaceTest, SetOpaqueRegion) {
+TEST_P(SurfaceTest, SetOpaqueRegion) {
   std::unique_ptr<Surface> surface(new Surface);
 
   // Setting a non-empty opaque region should succeed.
   surface->SetOpaqueRegion(SkRegion(SkIRect::MakeWH(256, 256)));
 
   // Setting an empty opaque region should succeed.
   surface->SetOpaqueRegion(SkRegion(SkIRect::MakeEmpty()));
 }
 
-TEST_F(SurfaceTest, SetInputRegion) {
+TEST_P(SurfaceTest, SetInputRegion) {
   std::unique_ptr<Surface> surface(new Surface);
 
   // Setting a non-empty input region should succeed.
   surface->SetInputRegion(SkRegion(SkIRect::MakeWH(256, 256)));
 
   // Setting an empty input region should succeed.
   surface->SetInputRegion(SkRegion(SkIRect::MakeEmpty()));
 }
 
-TEST_F(SurfaceTest, SetBufferScale) {
+TEST_P(SurfaceTest, SetBufferScale) {
   gfx::Size buffer_size(512, 512);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   // This will update the bounds of the surface and take the buffer scale into
   // account.
   const float kBufferScale = 2.0f;
   surface->Attach(buffer.get());
   surface->SetBufferScale(kBufferScale);
   surface->Commit();
   EXPECT_EQ(
       gfx::ScaleToFlooredSize(buffer_size, 1.0f / kBufferScale).ToString(),
       surface->bounds().size().ToString());
 }
 
-TEST_F(SurfaceTest, SetViewport) {
+TEST_P(SurfaceTest, SetViewport) {
   gfx::Size buffer_size(1, 1);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   // This will update the bounds of the surface and take the viewport into
   // account.
   surface->Attach(buffer.get());
   gfx::Size viewport(256, 256);
   surface->SetViewport(viewport);
   surface->Commit();
   EXPECT_EQ(viewport.ToString(), surface->bounds().size().ToString());
 }
 
-TEST_F(SurfaceTest, SetCrop) {
+TEST_P(SurfaceTest, SetCrop) {
   gfx::Size buffer_size(16, 16);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   surface->Attach(buffer.get());
   gfx::Size crop_size(12, 12);
   surface->SetCrop(gfx::RectF(gfx::PointF(2.0, 2.0), gfx::SizeF(crop_size)));
   surface->Commit();
   EXPECT_EQ(crop_size.ToString(), surface->bounds().size().ToString());
 }
 
-TEST_F(SurfaceTest, SetOnlyVisibleOnSecureOutput) {
+TEST_P(SurfaceTest, SetOnlyVisibleOnSecureOutput) {
+  // SurfaceLayer doesn't have texture mailbox, so it can't be tested this
+  // way.
+  if (GetParam())
+    return;
   gfx::Size buffer_size(1, 1);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   surface->Attach(buffer.get());
   surface->SetOnlyVisibleOnSecureOutput(true);
   surface->Commit();
 
   cc::TextureMailbox mailbox;
   std::unique_ptr<cc::SingleReleaseCallback> release_callback;
   bool rv = surface->layer()->PrepareTextureMailbox(&mailbox, &release_callback,
                                                     false);
   ASSERT_TRUE(rv);
 
   EXPECT_TRUE(mailbox.secure_output_only());
   release_callback->Run(gpu::SyncToken(), false);
 }
 
-TEST_F(SurfaceTest, SetBlendMode) {
+TEST_P(SurfaceTest, SetBlendMode) {
   gfx::Size buffer_size(1, 1);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   surface->Attach(buffer.get());
   surface->SetBlendMode(SkXfermode::kSrc_Mode);
   surface->Commit();
 
   EXPECT_TRUE(surface->layer()->fills_bounds_opaquely());
 }
 
-TEST_F(SurfaceTest, SetAlpha) {
+TEST_P(SurfaceTest, SetAlpha) {
   gfx::Size buffer_size(1, 1);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
 
   surface->Attach(buffer.get());
   surface->SetAlpha(0.5f);
   surface->Commit();
 }
 
-TEST_F(SurfaceTest, Commit) {
+TEST_P(SurfaceTest, Commit) {
   std::unique_ptr<Surface> surface(new Surface);
 
   // Calling commit without a buffer should succeed.
   surface->Commit();
 }
 
+INSTANTIATE_TEST_CASE_P(, SurfaceTest, ::testing::Bool());
+
 }  // namespace
 }  // namespace exo