Flutter Impeller
render_pass_cache_unittests.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "flutter/testing/testing.h"
6 #include "gtest/gtest.h"
10 
11 namespace impeller {
12 namespace testing {
13 
15 
16 TEST_P(RendererTest, CachesRenderPassAndFramebuffer) {
17  if (GetBackend() != PlaygroundBackend::kVulkan) {
18  GTEST_SKIP() << "Test only applies to Vulkan";
19  }
20 
21  auto allocator = std::make_shared<RenderTargetAllocator>(
22  GetContext()->GetResourceAllocator());
23 
24  auto render_target =
25  allocator->CreateOffscreenMSAA(*GetContext(), {100, 100}, 1);
26  auto resolve_texture =
27  render_target.GetColorAttachments().find(0u)->second.resolve_texture;
28  auto& texture_vk = TextureVK::Cast(*resolve_texture);
29 
30  EXPECT_EQ(texture_vk.GetCachedFramebuffer(), nullptr);
31  EXPECT_EQ(texture_vk.GetCachedRenderPass(), nullptr);
32 
33  auto buffer = GetContext()->CreateCommandBuffer();
34  auto render_pass = buffer->CreateRenderPass(render_target);
35 
36  EXPECT_NE(texture_vk.GetCachedFramebuffer(), nullptr);
37  EXPECT_NE(texture_vk.GetCachedRenderPass(), nullptr);
38 
39  render_pass->EncodeCommands();
40  GetContext()->GetCommandQueue()->Submit({buffer});
41 
42  // Can be reused without error.
43  auto buffer_2 = GetContext()->CreateCommandBuffer();
44  auto render_pass_2 = buffer_2->CreateRenderPass(render_target);
45 
46  EXPECT_TRUE(render_pass_2->EncodeCommands());
47  EXPECT_TRUE(GetContext()->GetCommandQueue()->Submit({buffer_2}).ok());
48 }
49 
50 } // namespace testing
51 } // namespace impeller
impeller::PlaygroundBackend::kVulkan
@ kVulkan
texture_vk.h
impeller::testing::TEST_P
TEST_P(AiksTest, CanRenderMaskBlurHugeSigma)
Definition: aiks_blur_unittests.cc:23
impeller::BackendCast< TextureVK, Texture >::Cast
static TextureVK & Cast(Texture &base)
Definition: backend_cast.h:13
impeller::PlaygroundTest
Definition: playground_test.h:23
render_target.h
impeller
Definition: aiks_blur_unittests.cc:20
playground_test.h