| Flutter Impeller |

render_pass_builder_vk_unittests.cc
Go to the documentation of this file.
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"
7 #include "impeller/core/formats.h"
8 #include "impeller/renderer/backend/vulkan/render_pass_builder_vk.h"
9 #include "impeller/renderer/backend/vulkan/test/mock_vulkan.h"
10 #include "vulkan/vulkan_enums.hpp"
11
12 namespace impeller {
13 namespace testing {
14
15 TEST(RenderPassBuilder, CreatesRenderPassWithNoDepthStencil) {
16 RenderPassBuilderVK builder = RenderPassBuilderVK();
17 auto const context = MockVulkanContextBuilder().Build();
18
19 // Create a single color attachment with a transient depth stencil.
20 builder.SetColorAttachment(0, PixelFormat::kR8G8B8A8UNormInt,
21 SampleCount::kCount1, LoadAction::kClear,
22 StoreAction::kStore);
23
24 auto render_pass = builder.Build(context->GetDevice());
25
26 EXPECT_TRUE(!!render_pass);
27 EXPECT_FALSE(builder.GetDepthStencil().has_value());
28 }
29
30 TEST(RenderPassBuilder, RenderPassWithLoadOpUsesCurrentLayout) {
31 RenderPassBuilderVK builder = RenderPassBuilderVK();
32 auto const context = MockVulkanContextBuilder().Build();
33
34 builder.SetColorAttachment(0, PixelFormat::kR8G8B8A8UNormInt,
35 SampleCount::kCount1, LoadAction::kLoad,
36 StoreAction::kStore,
37 vk::ImageLayout::eColorAttachmentOptimal);
38
39 auto render_pass = builder.Build(context->GetDevice());
40
41 EXPECT_TRUE(!!render_pass);
42
43 std::optional<vk::AttachmentDescription> maybe_color = builder.GetColor0();
44 ASSERT_TRUE(maybe_color.has_value());
45 if (!maybe_color.has_value()) {
46 return;
47 }
48 vk::AttachmentDescription color = maybe_color.value();
49
50 EXPECT_EQ(color.initialLayout, vk::ImageLayout::eColorAttachmentOptimal);
51 EXPECT_EQ(color.finalLayout, vk::ImageLayout::eGeneral);
52 EXPECT_EQ(color.loadOp, vk::AttachmentLoadOp::eLoad);
53 EXPECT_EQ(color.storeOp, vk::AttachmentStoreOp::eStore);
54 }
55
56 TEST(RenderPassBuilder, CreatesRenderPassWithCombinedDepthStencil) {
57 RenderPassBuilderVK builder = RenderPassBuilderVK();
58 auto const context = MockVulkanContextBuilder().Build();
59
60 // Create a single color attachment with a transient depth stencil.
61 builder.SetColorAttachment(0, PixelFormat::kR8G8B8A8UNormInt,
62 SampleCount::kCount1, LoadAction::kClear,
63 StoreAction::kStore, vk::ImageLayout::eGeneral);
64 builder.SetDepthStencilAttachment(PixelFormat::kD24UnormS8Uint,
65 SampleCount::kCount1, LoadAction::kDontCare,
66 StoreAction::kDontCare);
67
68 auto render_pass = builder.Build(context->GetDevice());
69
70 EXPECT_TRUE(!!render_pass);
71
72 std::optional<vk::AttachmentDescription> maybe_color = builder.GetColor0();
73 ASSERT_TRUE(maybe_color.has_value());
74 if (!maybe_color.has_value()) {
75 return;
76 }
77 vk::AttachmentDescription color = maybe_color.value();
78
79 EXPECT_EQ(color.initialLayout, vk::ImageLayout::eUndefined);
80 EXPECT_EQ(color.finalLayout, vk::ImageLayout::eGeneral);
81 EXPECT_EQ(color.loadOp, vk::AttachmentLoadOp::eClear);
82 EXPECT_EQ(color.storeOp, vk::AttachmentStoreOp::eStore);
83
84 std::optional<vk::AttachmentDescription> maybe_depth_stencil =
85 builder.GetDepthStencil();
86 ASSERT_TRUE(maybe_depth_stencil.has_value());
87 if (!maybe_depth_stencil.has_value()) {
88 return;
89 }
90 vk::AttachmentDescription depth_stencil = maybe_depth_stencil.value();
91
92 EXPECT_EQ(depth_stencil.initialLayout, vk::ImageLayout::eUndefined);
93 EXPECT_EQ(depth_stencil.finalLayout,
94 vk::ImageLayout::eDepthStencilAttachmentOptimal);
95 EXPECT_EQ(depth_stencil.loadOp, vk::AttachmentLoadOp::eDontCare);
96 EXPECT_EQ(depth_stencil.storeOp, vk::AttachmentStoreOp::eDontCare);
97 EXPECT_EQ(depth_stencil.stencilLoadOp, vk::AttachmentLoadOp::eDontCare);
98 EXPECT_EQ(depth_stencil.stencilStoreOp, vk::AttachmentStoreOp::eDontCare);
99 }
100
101 TEST(RenderPassBuilder, CreatesRenderPassWithOnlyStencil) {
102 RenderPassBuilderVK builder = RenderPassBuilderVK();
103 auto const context = MockVulkanContextBuilder().Build();
104
105 // Create a single color attachment with a transient depth stencil.
106 builder.SetColorAttachment(0, PixelFormat::kR8G8B8A8UNormInt,
107 SampleCount::kCount1, LoadAction::kClear,
108 StoreAction::kStore);
109 builder.SetStencilAttachment(PixelFormat::kS8UInt, SampleCount::kCount1,
110 LoadAction::kDontCare, StoreAction::kDontCare);
111
112 auto render_pass = builder.Build(context->GetDevice());
113
114 EXPECT_TRUE(!!render_pass);
115
116 std::optional<vk::AttachmentDescription> maybe_depth_stencil =
117 builder.GetDepthStencil();
118 ASSERT_TRUE(maybe_depth_stencil.has_value());
119 if (!maybe_depth_stencil.has_value()) {
120 return;
121 }
122 vk::AttachmentDescription depth_stencil = maybe_depth_stencil.value();
123
124 EXPECT_EQ(depth_stencil.initialLayout, vk::ImageLayout::eUndefined);
125 EXPECT_EQ(depth_stencil.finalLayout,
126 vk::ImageLayout::eDepthStencilAttachmentOptimal);
127 EXPECT_EQ(depth_stencil.loadOp, vk::AttachmentLoadOp::eDontCare);
128 EXPECT_EQ(depth_stencil.storeOp, vk::AttachmentStoreOp::eDontCare);
129 EXPECT_EQ(depth_stencil.stencilLoadOp, vk::AttachmentLoadOp::eDontCare);
130 EXPECT_EQ(depth_stencil.stencilStoreOp, vk::AttachmentStoreOp::eDontCare);
131 }
132
133 TEST(RenderPassBuilder, CreatesMSAAResolveWithCorrectStore) {
134 RenderPassBuilderVK builder = RenderPassBuilderVK();
135 auto const context = MockVulkanContextBuilder().Build();
136
137 // Create an MSAA color attachment.
138 builder.SetColorAttachment(0, PixelFormat::kR8G8B8A8UNormInt,
139 SampleCount::kCount4, LoadAction::kClear,
140 StoreAction::kMultisampleResolve);
141
142 auto render_pass = builder.Build(context->GetDevice());
143
144 EXPECT_TRUE(!!render_pass);
145
146 auto maybe_color = builder.GetColor0();
147 ASSERT_TRUE(maybe_color.has_value());
148 if (!maybe_color.has_value()) {
149 return;
150 }
151 vk::AttachmentDescription color = maybe_color.value();
152
153 // MSAA Texture.
154 EXPECT_EQ(color.initialLayout, vk::ImageLayout::eUndefined);
155 EXPECT_EQ(color.finalLayout, vk::ImageLayout::eGeneral);
156 EXPECT_EQ(color.loadOp, vk::AttachmentLoadOp::eClear);
157 EXPECT_EQ(color.storeOp, vk::AttachmentStoreOp::eDontCare);
158
159 auto maybe_resolve = builder.GetColor0Resolve();
160 ASSERT_TRUE(maybe_resolve.has_value());
161 if (!maybe_resolve.has_value()) {
162 return;
163 }
164 vk::AttachmentDescription resolve = maybe_resolve.value();
165
166 // MSAA Resolve Texture.
167 EXPECT_EQ(resolve.initialLayout, vk::ImageLayout::eUndefined);
168 EXPECT_EQ(resolve.finalLayout, vk::ImageLayout::eGeneral);
169 EXPECT_EQ(resolve.loadOp, vk::AttachmentLoadOp::eClear);
170 EXPECT_EQ(resolve.storeOp, vk::AttachmentStoreOp::eStore);
171 }
172
173 } // namespace testing
174 } // namespace impeller
impeller::StoreAction::kMultisampleResolve
@ kMultisampleResolve
impeller::PixelFormat::kS8UInt
@ kS8UInt
impeller::LoadAction::kLoad
@ kLoad
impeller::RenderPassBuilderVK::SetStencilAttachment
RenderPassBuilderVK & SetStencilAttachment(PixelFormat format, SampleCount sample_count, LoadAction load_action, StoreAction store_action)
Definition: render_pass_builder_vk.cc:91
impeller::PixelFormat::kR8G8B8A8UNormInt
@ kR8G8B8A8UNormInt
formats.h
impeller::StoreAction::kDontCare
@ kDontCare
impeller::RenderPassBuilderVK
Definition: render_pass_builder_vk.h:21
impeller::RenderPassBuilderVK::SetDepthStencilAttachment
RenderPassBuilderVK & SetDepthStencilAttachment(PixelFormat format, SampleCount sample_count, LoadAction load_action, StoreAction store_action)
Definition: render_pass_builder_vk.cc:73
impeller::RenderPassBuilderVK::GetDepthStencil
const std::optional< vk::AttachmentDescription > & GetDepthStencil() const
Definition: render_pass_builder_vk.cc:243
impeller::RenderPassBuilderVK::SetColorAttachment
RenderPassBuilderVK & SetColorAttachment(size_t index, PixelFormat format, SampleCount sample_count, LoadAction load_action, StoreAction store_action, vk::ImageLayout current_layout=vk::ImageLayout::eUndefined)
Definition: render_pass_builder_vk.cc:28
impeller::LoadAction::kClear
@ kClear
render_pass_builder_vk.h
impeller::PixelFormat::kD24UnormS8Uint
@ kD24UnormS8Uint
impeller::RenderPassBuilderVK::GetColor0Resolve
std::optional< vk::AttachmentDescription > GetColor0Resolve() const
Definition: render_pass_builder_vk.cc:254
impeller::StoreAction::kStore
@ kStore
impeller::RenderPassBuilderVK::GetColor0
std::optional< vk::AttachmentDescription > GetColor0() const
Definition: render_pass_builder_vk.cc:248
impeller::LoadAction::kDontCare
@ kDontCare
impeller::SampleCount::kCount1
@ kCount1
impeller::SampleCount::kCount4
@ kCount4
impeller::RenderPassBuilderVK::Build
vk::UniqueRenderPass Build(const vk::Device &device) const
Definition: render_pass_builder_vk.cc:109
impeller
Definition: allocation.cc:12
impeller::testing::TEST
TEST(AllocationSizeTest, CanCreateTypedAllocations)
Definition: allocation_size_unittests.cc:10