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1 /*
2  * Copyright 2022 Google LLC
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "tools/graphite/dawn/GraphiteDawnTestContext.h"
9 
10 #include "include/gpu/graphite/Context.h"
11 #include "include/gpu/graphite/ContextOptions.h"
12 #include "include/gpu/graphite/dawn/DawnBackendContext.h"
13 #include "include/gpu/graphite/dawn/DawnGraphiteTypes.h"
14 #include "include/private/base/SkOnce.h"
15 #include "src/gpu/graphite/ContextOptionsPriv.h"
16 #include "tools/gpu/ContextType.h"
17 #include "tools/graphite/TestOptions.h"
18 
19 #include "dawn/dawn_proc.h"
20 
21 #define LOG_ADAPTER 0
22 
23 namespace skiatest::graphite {
24 
25 // TODO: http://crbug.com/dawn/2450 - Currently manually setting the device to null and calling
26 //       tick/process events one last time to ensure that the device is lost accordingly at
27 //       destruction. Once device lost is, by default, a spontaneous event, remove this.
~DawnTestContext()28 DawnTestContext::~DawnTestContext() {
29     fBackendContext.fDevice = nullptr;
30     tick();
31 }
32 
Make(wgpu::BackendType backend,bool useTintIR)33 std::unique_ptr<GraphiteTestContext> DawnTestContext::Make(wgpu::BackendType backend,
34                                                            bool useTintIR) {
35     static std::unique_ptr<dawn::native::Instance> sInstance;
36     static SkOnce sOnce;
37 
38     static constexpr const char* kToggles[] = {
39 #if !defined(SK_DEBUG)
40         "skip_validation",
41 #endif
42         "disable_lazy_clear_for_mapped_at_creation_buffer", // matches Chromes toggles
43         "allow_unsafe_apis",  // Needed for dual-source blending.
44         "use_user_defined_labels_in_backend",
45         // Robustness impacts performance and is always disabled when running Graphite in Chrome,
46         // so this keeps Skia's tests operating closer to real-use behavior.
47         "disable_robustness",
48         // Must be last to correctly respond to `useTintIR` parameter.
49         "use_tint_ir",
50     };
51     wgpu::DawnTogglesDescriptor togglesDesc;
52     togglesDesc.enabledToggleCount  = std::size(kToggles) - (useTintIR ? 0 : 1);
53     togglesDesc.enabledToggles      = kToggles;
54 
55     // Creation of Instance is cheap but calling EnumerateAdapters can be expensive the first time,
56     // but then the results are cached on the Instance object. So save the Instance here so we can
57     // avoid the overhead of EnumerateAdapters on every test.
58     sOnce([&]{
59         DawnProcTable backendProcs = dawn::native::GetProcs();
60         dawnProcSetProcs(&backendProcs);
61         wgpu::InstanceDescriptor desc{};
62         // need for WaitAny with timeout > 0
63         desc.capabilities.timedWaitAnyEnable = true;
64         sInstance = std::make_unique<dawn::native::Instance>(&desc);
65     });
66 
67     dawn::native::Adapter matchedAdaptor;
68 
69     wgpu::RequestAdapterOptions options;
70     options.featureLevel =
71             backend == wgpu::BackendType::OpenGL || backend == wgpu::BackendType::OpenGLES
72                     ? wgpu::FeatureLevel::Compatibility
73                     : wgpu::FeatureLevel::Core;
74     options.nextInChain = &togglesDesc;
75     std::vector<dawn::native::Adapter> adapters = sInstance->EnumerateAdapters(&options);
76     SkASSERT(!adapters.empty());
77     // Sort adapters by adapterType(DiscreteGPU, IntegratedGPU, CPU) and
78     // backendType(WebGPU, D3D11, D3D12, Metal, Vulkan, OpenGL, OpenGLES).
79     std::sort(
80             adapters.begin(), adapters.end(), [](dawn::native::Adapter a, dawn::native::Adapter b) {
81                 wgpu::Adapter wgpuA = a.Get();
82                 wgpu::Adapter wgpuB = b.Get();
83                 wgpu::AdapterInfo infoA;
84                 wgpu::AdapterInfo infoB;
85                 wgpuA.GetInfo(&infoA);
86                 wgpuB.GetInfo(&infoB);
87                 return std::tuple(infoA.adapterType, infoA.backendType) <
88                        std::tuple(infoB.adapterType, infoB.backendType);
89             });
90 
91     for (const auto& adapter : adapters) {
92         wgpu::Adapter wgpuAdapter = adapter.Get();
93         wgpu::AdapterInfo props;
94         wgpuAdapter.GetInfo(&props);
95         if (backend == props.backendType) {
96             matchedAdaptor = adapter;
97             break;
98         }
99     }
100 
101     if (!matchedAdaptor) {
102         return nullptr;
103     }
104 
105 #if LOG_ADAPTER
106     wgpu::AdapterInfo info;
107     sAdapter.GetInfo(&info);
108     SkDebugf("GPU: %s\nDriver: %s\n", info.device, info.description);
109 #endif
110 
111     std::vector<wgpu::FeatureName> features;
112     wgpu::Adapter adapter = matchedAdaptor.Get();
113     if (adapter.HasFeature(wgpu::FeatureName::MSAARenderToSingleSampled)) {
114         features.push_back(wgpu::FeatureName::MSAARenderToSingleSampled);
115     }
116     if (adapter.HasFeature(wgpu::FeatureName::TransientAttachments)) {
117         features.push_back(wgpu::FeatureName::TransientAttachments);
118     }
119     if (adapter.HasFeature(wgpu::FeatureName::Unorm16TextureFormats)) {
120         features.push_back(wgpu::FeatureName::Unorm16TextureFormats);
121     }
122     if (adapter.HasFeature(wgpu::FeatureName::DualSourceBlending)) {
123         features.push_back(wgpu::FeatureName::DualSourceBlending);
124     }
125     if (adapter.HasFeature(wgpu::FeatureName::FramebufferFetch)) {
126         features.push_back(wgpu::FeatureName::FramebufferFetch);
127     }
128     if (adapter.HasFeature(wgpu::FeatureName::BufferMapExtendedUsages)) {
129         features.push_back(wgpu::FeatureName::BufferMapExtendedUsages);
130     }
131     if (adapter.HasFeature(wgpu::FeatureName::TextureCompressionETC2)) {
132         features.push_back(wgpu::FeatureName::TextureCompressionETC2);
133     }
134     if (adapter.HasFeature(wgpu::FeatureName::TextureCompressionBC)) {
135         features.push_back(wgpu::FeatureName::TextureCompressionBC);
136     }
137     if (adapter.HasFeature(wgpu::FeatureName::R8UnormStorage)) {
138         features.push_back(wgpu::FeatureName::R8UnormStorage);
139     }
140     if (adapter.HasFeature(wgpu::FeatureName::DawnLoadResolveTexture)) {
141         features.push_back(wgpu::FeatureName::DawnLoadResolveTexture);
142     }
143     if (adapter.HasFeature(wgpu::FeatureName::DawnPartialLoadResolveTexture)) {
144         features.push_back(wgpu::FeatureName::DawnPartialLoadResolveTexture);
145     }
146     if (adapter.HasFeature(wgpu::FeatureName::TimestampQuery)) {
147         features.push_back(wgpu::FeatureName::TimestampQuery);
148     }
149     if (adapter.HasFeature(wgpu::FeatureName::DawnTexelCopyBufferRowAlignment)) {
150         features.push_back(wgpu::FeatureName::DawnTexelCopyBufferRowAlignment);
151     }
152     if (adapter.HasFeature(wgpu::FeatureName::ImplicitDeviceSynchronization)) {
153         features.push_back(wgpu::FeatureName::ImplicitDeviceSynchronization);
154     }
155 
156     wgpu::DeviceDescriptor desc;
157     desc.requiredFeatureCount  = features.size();
158     desc.requiredFeatures      = features.data();
159     desc.nextInChain           = &togglesDesc;
160     desc.SetDeviceLostCallback(
161             wgpu::CallbackMode::AllowSpontaneous,
162             [](const wgpu::Device&, wgpu::DeviceLostReason reason, wgpu::StringView message) {
163                 if (reason != wgpu::DeviceLostReason::Destroyed) {
164                     SK_ABORT("Device lost: %.*s\n", static_cast<int>(message.length), message.data);
165                 }
166             });
167     desc.SetUncapturedErrorCallback([](const wgpu::Device&, wgpu::ErrorType,
168                                        wgpu::StringView message) {
169         SkDebugf("Device error: %.*s\n", static_cast<int>(message.length), message.data);
170     });
171 
172     wgpu::Device device = wgpu::Device::Acquire(matchedAdaptor.CreateDevice(&desc));
173     SkASSERT(device);
174 
175     skgpu::graphite::DawnBackendContext backendContext;
176     backendContext.fInstance = wgpu::Instance(sInstance->Get());
177     backendContext.fDevice = device;
178     backendContext.fQueue  = device.GetQueue();
179     return std::unique_ptr<GraphiteTestContext>(new DawnTestContext(backendContext));
180 }
181 
contextType()182 skgpu::ContextType DawnTestContext::contextType() {
183     wgpu::AdapterInfo info;
184     fBackendContext.fDevice.GetAdapter().GetInfo(&info);
185     switch (info.backendType) {
186         case wgpu::BackendType::D3D11:
187             return skgpu::ContextType::kDawn_D3D11;
188 
189         case wgpu::BackendType::D3D12:
190             return skgpu::ContextType::kDawn_D3D12;
191 
192         case wgpu::BackendType::Metal:
193             return skgpu::ContextType::kDawn_Metal;
194 
195         case wgpu::BackendType::Vulkan:
196             return skgpu::ContextType::kDawn_Vulkan;
197 
198         case wgpu::BackendType::OpenGL:
199             return skgpu::ContextType::kDawn_OpenGL;
200 
201         case wgpu::BackendType::OpenGLES:
202             return skgpu::ContextType::kDawn_OpenGLES;
203         default:
204             SK_ABORT("unexpected Dawn backend");
205             return skgpu::ContextType::kMock;
206     }
207 }
208 
makeContext(const TestOptions & options)209 std::unique_ptr<skgpu::graphite::Context> DawnTestContext::makeContext(const TestOptions& options) {
210     skgpu::graphite::ContextOptions revisedContextOptions(options.fContextOptions);
211     skgpu::graphite::ContextOptionsPriv contextOptionsPriv;
212     if (!options.fContextOptions.fOptionsPriv) {
213         revisedContextOptions.fOptionsPriv = &contextOptionsPriv;
214     }
215     // Needed to make synchronous readPixels work
216     revisedContextOptions.fOptionsPriv->fStoreContextRefInRecorder = true;
217 
218     auto backendContext = fBackendContext;
219     if (options.fNeverYieldToWebGPU) {
220         backendContext.fTick = nullptr;
221     }
222 
223     return skgpu::graphite::ContextFactory::MakeDawn(backendContext, revisedContextOptions);
224 }
225 
tick()226 void DawnTestContext::tick() { fBackendContext.fTick(fBackendContext.fInstance); }
227 
228 }  // namespace skiatest::graphite
229