Flutter Impeller
allocator_vk_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" // IWYU pragma: keep
6 #include "gtest/gtest.h"
10 #include "impeller/renderer/backend/vulkan/test/mock_vulkan.h"
11 #include "vulkan/vulkan_enums.hpp"
12 
13 namespace impeller {
14 namespace testing {
15 
16 TEST(AllocatorVKTest, ToVKImageUsageFlags) {
21  /*supports_memoryless_textures=*/true),
22  vk::ImageUsageFlagBits::eInputAttachment |
23  vk::ImageUsageFlagBits::eColorAttachment |
24  vk::ImageUsageFlagBits::eTransientAttachment);
25 
30  /*supports_memoryless_textures=*/true),
31  vk::ImageUsageFlagBits::eDepthStencilAttachment |
32  vk::ImageUsageFlagBits::eTransientAttachment);
33 }
34 
35 TEST(AllocatorVKTest, MemoryTypeSelectionSingleHeap) {
36  vk::PhysicalDeviceMemoryProperties properties;
37  properties.memoryTypeCount = 1;
38  properties.memoryHeapCount = 1;
39  properties.memoryTypes[0].heapIndex = 0;
40  properties.memoryTypes[0].propertyFlags =
41  vk::MemoryPropertyFlagBits::eDeviceLocal;
42  properties.memoryHeaps[0].size = 1024 * 1024 * 1024;
43  properties.memoryHeaps[0].flags = vk::MemoryHeapFlagBits::eDeviceLocal;
44 
45  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(1, properties), 0);
46  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(2, properties), -1);
47  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(3, properties), 0);
48 }
49 
50 TEST(AllocatorVKTest, MemoryTypeSelectionTwoHeap) {
51  vk::PhysicalDeviceMemoryProperties properties;
52  properties.memoryTypeCount = 2;
53  properties.memoryHeapCount = 2;
54  properties.memoryTypes[0].heapIndex = 0;
55  properties.memoryTypes[0].propertyFlags =
56  vk::MemoryPropertyFlagBits::eHostVisible;
57  properties.memoryHeaps[0].size = 1024 * 1024 * 1024;
58  properties.memoryHeaps[0].flags = vk::MemoryHeapFlagBits::eDeviceLocal;
59 
60  properties.memoryTypes[1].heapIndex = 1;
61  properties.memoryTypes[1].propertyFlags =
62  vk::MemoryPropertyFlagBits::eDeviceLocal;
63  properties.memoryHeaps[1].size = 1024 * 1024 * 1024;
64  properties.memoryHeaps[1].flags = vk::MemoryHeapFlagBits::eDeviceLocal;
65 
66  // First fails because this only looks for eDeviceLocal.
67  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(1, properties), -1);
68  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(2, properties), 1);
69  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(3, properties), 1);
70  EXPECT_EQ(AllocatorVK::FindMemoryTypeIndex(4, properties), -1);
71 }
72 
73 #ifdef IMPELLER_DEBUG
74 
75 TEST(AllocatorVKTest, RecreateSwapchainWhenSizeChanges) {
76  auto const context = MockVulkanContextBuilder().Build();
77  auto allocator = context->GetResourceAllocator();
78 
79  EXPECT_EQ(
80  reinterpret_cast<AllocatorVK*>(allocator.get())->DebugGetHeapUsage(), 0u);
81 
82  allocator->CreateBuffer(DeviceBufferDescriptor{
84  .size = 1024,
85  });
86 
87  // Usage increases beyond the size of the allocated buffer since VMA will
88  // first allocate large blocks of memory and then suballocate small memory
89  // allocations.
90  EXPECT_EQ(
91  reinterpret_cast<AllocatorVK*>(allocator.get())->DebugGetHeapUsage(),
92  16u);
93 }
94 
95 #endif // IMPELLER_DEBUG
96 
97 } // namespace testing
98 } // namespace impeller
impeller::AllocatorVK::FindMemoryTypeIndex
static int32_t FindMemoryTypeIndex(uint32_t memory_type_bits_requirement, vk::PhysicalDeviceMemoryProperties &memory_properties)
Select a matching memory type for the given [memory_type_bits_requirement], or -1 if none is found.
Definition: allocator_vk.cc:173
allocator_vk.h
impeller::DeviceBufferDescriptor
Definition: device_buffer_descriptor.h:14
impeller::PixelFormat::kR8G8B8A8UNormInt
@ kR8G8B8A8UNormInt
formats.h
impeller::TextureUsage::kRenderTarget
@ kRenderTarget
impeller::AllocatorVK::ToVKImageUsageFlags
static vk::ImageUsageFlags ToVKImageUsageFlags(PixelFormat format, TextureUsageMask usage, StorageMode mode, bool supports_memoryless_textures)
Definition: allocator_vk.cc:199
impeller::Mask< TextureUsage >
impeller::StorageMode::kDeviceTransient
@ kDeviceTransient
impeller::AllocatorVK
Definition: allocator_vk.h:19
impeller::StorageMode::kDevicePrivate
@ kDevicePrivate
impeller::DeviceBufferDescriptor::storage_mode
StorageMode storage_mode
Definition: device_buffer_descriptor.h:15
impeller::testing::TEST
TEST(CanvasRecorder, Save)
Definition: canvas_recorder_unittests.cc:65
impeller::PixelFormat::kD24UnormS8Uint
@ kD24UnormS8Uint
impeller::AllocatorVK::DebugGetHeapUsage
size_t DebugGetHeapUsage() const
Definition: allocator_vk.cc:512
device_buffer_descriptor.h
impeller
Definition: aiks_blur_unittests.cc:20