Enforce constant size and device scale factor for surfaces

cc/surfaces/display_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 "cc/surfaces/display.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/test/null_task_runner.h"
@@ skipping 189 matching lines @@
   EXPECT_FALSE(scheduler_->swapped);
   EXPECT_EQ(0u, output_surface_->num_sent_frames());
   EXPECT_EQ(gfx::ColorSpace(), output_surface_->last_reshape_color_space());
   display_->DrawAndSwap();
   EXPECT_EQ(color_space_1, output_surface_->last_reshape_color_space());
   EXPECT_TRUE(scheduler_->swapped);
   EXPECT_EQ(1u, output_surface_->num_sent_frames());
   EXPECT_EQ(gfx::Size(100, 100),
             software_output_device_->viewport_pixel_size());
   EXPECT_EQ(gfx::Rect(0, 0, 100, 100), software_output_device_->damage_rect());
-
   {
     // Only damaged portion should be swapped.
     pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 100, 100);
     pass->damage_rect = gfx::Rect(10, 10, 1, 1);
     pass->id = 1;
 
     pass_list.push_back(std::move(pass));
     scheduler_->ResetDamageForTest();
     SubmitCompositorFrame(&pass_list, local_surface_id);
@@ skipping 33 matching lines @@
     EXPECT_EQ(2u, output_surface_->num_sent_frames());
   }
 
   {
     // Pass is wrong size so shouldn't be swapped.
     pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 99, 99);
     pass->damage_rect = gfx::Rect(10, 10, 10, 10);
     pass->id = 1;
 
+    local_surface_id = id_allocator_.GenerateId();
+    display_->SetLocalSurfaceId(local_surface_id, 1.f);
+
     pass_list.push_back(std::move(pass));
     scheduler_->ResetDamageForTest();
     SubmitCompositorFrame(&pass_list, local_surface_id);
     EXPECT_TRUE(scheduler_->damaged);
     EXPECT_FALSE(scheduler_->display_resized_);
     EXPECT_FALSE(scheduler_->has_new_root_surface);
 
     scheduler_->swapped = false;
     display_->DrawAndSwap();
     EXPECT_TRUE(scheduler_->swapped);
     EXPECT_EQ(2u, output_surface_->num_sent_frames());
   }
 
   {
     // Previous frame wasn't swapped, so next swap should have full damage.
     pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 100, 100);
     pass->damage_rect = gfx::Rect(10, 10, 0, 0);
     pass->id = 1;
 
+    local_surface_id = id_allocator_.GenerateId();
+    display_->SetLocalSurfaceId(local_surface_id, 1.f);
+
     pass_list.push_back(std::move(pass));
     scheduler_->ResetDamageForTest();
     SubmitCompositorFrame(&pass_list, local_surface_id);
     EXPECT_TRUE(scheduler_->damaged);
     EXPECT_FALSE(scheduler_->display_resized_);
     EXPECT_FALSE(scheduler_->has_new_root_surface);
 
     scheduler_->swapped = false;
     display_->DrawAndSwap();
     EXPECT_TRUE(scheduler_->swapped);
@@ skipping 47 matching lines @@
     EXPECT_FALSE(scheduler_->has_new_root_surface);
 
     scheduler_->swapped = false;
     display_->DrawAndSwap();
     EXPECT_TRUE(scheduler_->swapped);
     EXPECT_EQ(4u, output_surface_->num_sent_frames());
   }
 
   // Resize should cause a swap if no frame was swapped at the previous size.
   {
+    local_surface_id = id_allocator_.GenerateId();
+    display_->SetLocalSurfaceId(local_surface_id, 1.f);
     scheduler_->swapped = false;
     display_->Resize(gfx::Size(200, 200));
     EXPECT_FALSE(scheduler_->swapped);
     EXPECT_EQ(4u, output_surface_->num_sent_frames());
 
     pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 200, 200);
     pass->damage_rect = gfx::Rect(10, 10, 10, 10);
     pass->id = 1;
 
@@ skipping 11 matching lines @@
     scheduler_->swapped = false;
     display_->Resize(gfx::Size(100, 100));
     EXPECT_TRUE(scheduler_->swapped);
     EXPECT_EQ(5u, output_surface_->num_sent_frames());
 
     // Latency info from previous frame should be sent now.
     EXPECT_EQ(1u, output_surface_->last_sent_frame()->latency_info.size());
   }
 
   {
+    local_surface_id = id_allocator_.GenerateId();
+    display_->SetLocalSurfaceId(local_surface_id, 1.0f);
     // Surface that's damaged completely should be resized and swapped.
     pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 99, 99);
     pass->damage_rect = gfx::Rect(0, 0, 99, 99);
     pass->id = 1;
 
     pass_list.push_back(std::move(pass));
     scheduler_->ResetDamageForTest();
     SubmitCompositorFrame(&pass_list, local_surface_id);
     EXPECT_TRUE(scheduler_->damaged);
@@ skipping 11 matching lines @@
     EXPECT_EQ(0u, output_surface_->last_sent_frame()->latency_info.size());
   }
 }
 
 class MockedContext : public TestWebGraphicsContext3D {
  public:
   MOCK_METHOD0(shallowFinishCHROMIUM, void());
 };
 
 TEST_F(DisplayTest, Finish) {
-  LocalSurfaceId local_surface_id(id_allocator_.GenerateId());
+  LocalSurfaceId local_surface_id1(id_allocator_.GenerateId());
+  LocalSurfaceId local_surface_id2(id_allocator_.GenerateId());
 
   RendererSettings settings;
   settings.partial_swap_enabled = true;
   settings.finish_rendering_on_resize = true;
 
   std::unique_ptr<MockedContext> context(new MockedContext());
   MockedContext* context_ptr = context.get();
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM()).Times(0);
 
   SetUpDisplay(settings, std::move(context));
 
   StubDisplayClient client;
   display_->Initialize(&client, &manager_);
 
-  display_->SetLocalSurfaceId(local_surface_id, 1.f);
+  display_->SetLocalSurfaceId(local_surface_id1, 1.f);
 
   display_->Resize(gfx::Size(100, 100));
 
   {
     RenderPassList pass_list;
     std::unique_ptr<RenderPass> pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 100, 100);
     pass->damage_rect = gfx::Rect(10, 10, 1, 1);
     pass->id = 1;
     pass_list.push_back(std::move(pass));
 
-    SubmitCompositorFrame(&pass_list, local_surface_id);
+    SubmitCompositorFrame(&pass_list, local_surface_id1);
   }
 
   display_->DrawAndSwap();
 
   // First resize and draw shouldn't finish.
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM());
   display_->Resize(gfx::Size(150, 150));
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 
   // Another resize without a swap doesn't need to finish.
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM()).Times(0);
+  display_->SetLocalSurfaceId(local_surface_id2, 1.f);
   display_->Resize(gfx::Size(200, 200));
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM()).Times(0);
   {
     RenderPassList pass_list;
     std::unique_ptr<RenderPass> pass = RenderPass::Create();
     pass->output_rect = gfx::Rect(0, 0, 200, 200);
     pass->damage_rect = gfx::Rect(10, 10, 1, 1);
     pass->id = 1;
     pass_list.push_back(std::move(pass));
 
-    SubmitCompositorFrame(&pass_list, local_surface_id);
+    SubmitCompositorFrame(&pass_list, local_surface_id2);
   }
 
   display_->DrawAndSwap();
 
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM());
   display_->Resize(gfx::Size(250, 250));
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 }
@@ skipping 19 matching lines @@
   // Verify DidLoseOutputSurface callback is hooked up correctly.
   EXPECT_EQ(0, client.loss_count());
   output_surface_->context_provider()->ContextGL()->LoseContextCHROMIUM(
       GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
   output_surface_->context_provider()->ContextGL()->Flush();
   EXPECT_EQ(1, client.loss_count());
 }
 
 }  // namespace
 }  // namespace cc