Attachment 360744 Details for Bug 194068 – Patch

[patch] Patch

bug-194068-20190131110019.patch (text/plain), 28.96 KB, created by Justin Fan on 2019-01-31 11:00:20 PST

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Creator: Justin Fan

Created: 2019-01-31 11:00:20 PST

Size: 28.96 KB

patch

obsolete

>Subversion Revision: 240795
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 083bb3d0dfd3a9789bef1bcf9610f617cc93787c..0d7c01803472ede27e9c6282b1d0f4fa90804ee4 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,33 @@
>+2019-01-31  Justin Fan  <justin_fan@apple.com>
>+
>+        [WebGPU] WebGPUAdapterDescriptor -> GPURequestAdapterOptions and take powerPreference into account
>+        https://bugs.webkit.org/show_bug.cgi?id=194068
>+        <rdar://problem/47680215>
>+
>+        Reviewed by NOBODY (OOPS!).
>+        
>+        Per the Web GPU IDL, WebGPUAdapterDescriptor is now known as GPURequestAdapterOptions and is optional.
>+        In addition, Web GPU now actually attempts to return an integrated GPU when a low-power adapter is requested.
>+
>+        Test: adapter-options.html
>+
>+        * Modules/webgpu/GPURequestAdapterOptions.idl: Renamed from Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.idl.
>+        * Modules/webgpu/WebGPU.cpp:
>+        (WebCore::WebGPU::requestAdapter const):
>+        * Modules/webgpu/WebGPU.h:
>+        * Modules/webgpu/WebGPU.idl:
>+        * Modules/webgpu/WebGPUAdapter.cpp:
>+        (WebCore::WebGPUAdapter::create):
>+        (WebCore::WebGPUAdapter::WebGPUAdapter):
>+        * Modules/webgpu/WebGPUAdapter.h:
>+        (WebCore::WebGPUAdapter::options const):
>+        * Modules/webgpu/WebGPUDevice.cpp:
>+        (WebCore::WebGPUDevice::create):
>+        * platform/graphics/gpu/GPUDevice.h:
>+        * platform/graphics/gpu/GPURequestAdapterOptions.h: Renamed from Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.h.
>+        * platform/graphics/gpu/cocoa/GPUDeviceMetal.mm:
>+        (WebCore::GPUDevice::create):
>+
> 2019-01-31  Darin Adler  <darin@apple.com>
> 
>         Simplify and streamline code that creates an appropriate document based on MIME type
>diff --git a/Source/WebCore/CMakeLists.txt b/Source/WebCore/CMakeLists.txt
>index d355e7b2a0695c3175c3dad6e65526137ee2c11a..938fe9a5af1ab54ad0156994c33df45c57324566 100644
>--- a/Source/WebCore/CMakeLists.txt
>+++ b/Source/WebCore/CMakeLists.txt
>@@ -464,9 +464,9 @@ set(WebCore_NON_SVG_IDL_FILES
>     Modules/webgpu/DOMWindowWebGPU.idl
>     Modules/webgpu/GPUCompareFunction.idl
>     Modules/webgpu/GPUDepthStencilStateDescriptor.idl
>+    Modules/webgpu/GPURequestAdapterOptions.idl
>     Modules/webgpu/WebGPU.idl
>     Modules/webgpu/WebGPUAdapter.idl
>-    Modules/webgpu/WebGPUAdapterDescriptor.idl
>     Modules/webgpu/WebGPUBindGroup.idl
>     Modules/webgpu/WebGPUBindGroupBinding.idl
>     Modules/webgpu/WebGPUBindGroupDescriptor.idl
>diff --git a/Source/WebCore/DerivedSources.make b/Source/WebCore/DerivedSources.make
>index 5e54b7cb4a8caf6d367ce0a97370f624b1c2e0f2..bc3009ef50c964b6e6784ce82c07649cf7945edd 100644
>--- a/Source/WebCore/DerivedSources.make
>+++ b/Source/WebCore/DerivedSources.make
>@@ -374,9 +374,9 @@ JS_BINDING_IDLS = \
>     $(WebCore)/Modules/webgpu/DOMWindowWebGPU.idl \
>     $(WebCore)/Modules/webgpu/GPUCompareFunction.idl \
>     $(WebCore)/Modules/webgpu/GPUDepthStencilStateDescriptor.idl \
>+    $(WebCore)/Modules/webgpu/GPURequestAdapterOptions.idl \
>     $(WebCore)/Modules/webgpu/WebGPU.idl \
>     $(WebCore)/Modules/webgpu/WebGPUAdapter.idl \
>-    $(WebCore)/Modules/webgpu/WebGPUAdapterDescriptor.idl \
>     $(WebCore)/Modules/webgpu/WebGPUBindGroup.idl \
>     $(WebCore)/Modules/webgpu/WebGPUBindGroupBinding.idl \
>     $(WebCore)/Modules/webgpu/WebGPUBindGroupDescriptor.idl \
>diff --git a/Source/WebCore/Modules/webgpu/GPURequestAdapterOptions.idl b/Source/WebCore/Modules/webgpu/GPURequestAdapterOptions.idl
>new file mode 100644
>index 0000000000000000000000000000000000000000..cbc84f244051038b74a5acc5da4c342dc90cada5
>--- /dev/null
>+++ b/Source/WebCore/Modules/webgpu/GPURequestAdapterOptions.idl
>@@ -0,0 +1,37 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+// https://github.com/gpuweb/gpuweb/blob/master/design/sketch.webidl
>+
>+enum GPUPowerPreference {
>+    "low-power",
>+    "high-performance"
>+};
>+
>+[
>+    Conditional=WEBGPU,
>+    EnabledAtRuntime=WebGPU
>+] dictionary GPURequestAdapterOptions {
>+    GPUPowerPreference powerPreference;
>+};
>diff --git a/Source/WebCore/Modules/webgpu/WebGPU.cpp b/Source/WebCore/Modules/webgpu/WebGPU.cpp
>index 0dc411ae303e4b086edbf9f868f85db4d1ac64ff..38f993c162713c09fb07fdb29909c3aa9a38c940 100644
>--- a/Source/WebCore/Modules/webgpu/WebGPU.cpp
>+++ b/Source/WebCore/Modules/webgpu/WebGPU.cpp
>@@ -28,6 +28,7 @@
> 
> #if ENABLE(WEBGPU)
> 
>+#include "GPURequestAdapterOptions.h"
> #include "JSWebGPUAdapter.h"
> 
> namespace WebCore {
>@@ -37,9 +38,9 @@ Ref<WebGPU> WebGPU::create()
>     return adoptRef(*new WebGPU);
> }
> 
>-void WebGPU::requestAdapter(const WebGPUAdapterDescriptor& descriptor, WebGPUAdapterPromise&& deferred) const
>+void WebGPU::requestAdapter(Optional<GPURequestAdapterOptions>&& options, WebGPUAdapterPromise&& deferred) const
> {
>-    auto adapter = WebGPUAdapter::create(descriptor);
>+    auto adapter = WebGPUAdapter::create(WTFMove(options));
>     deferred.resolve(adapter.get());
> }
> 
>diff --git a/Source/WebCore/Modules/webgpu/WebGPU.h b/Source/WebCore/Modules/webgpu/WebGPU.h
>index 0d510769028e136019a8c266bb0b7d6ca850b03c..797bf2bd9a2e6f78c893f3661c72bd9d0bf7ede7 100644
>--- a/Source/WebCore/Modules/webgpu/WebGPU.h
>+++ b/Source/WebCore/Modules/webgpu/WebGPU.h
>@@ -28,12 +28,13 @@
> #if ENABLE(WEBGPU)
> 
> #include "JSDOMPromiseDeferred.h"
>+#include <wtf/Optional.h>
> 
> namespace WebCore {
> 
> class WebGPUAdapter;
>-
>-struct WebGPUAdapterDescriptor;
>+    
>+struct GPURequestAdapterOptions;
> 
> class WebGPU : public RefCounted<WebGPU> {
> public:
>@@ -41,7 +42,7 @@ public:
> 
>     using WebGPUAdapterPromise = DOMPromiseDeferred<IDLInterface<WebGPUAdapter>>;
> 
>-    void requestAdapter(const WebGPUAdapterDescriptor&, WebGPUAdapterPromise&&) const;
>+    void requestAdapter(Optional<GPURequestAdapterOptions>&&, WebGPUAdapterPromise&&) const;
> 
> private:
>     WebGPU() = default;
>diff --git a/Source/WebCore/Modules/webgpu/WebGPU.idl b/Source/WebCore/Modules/webgpu/WebGPU.idl
>index c63de8ad53d16237989c54a515cb60e9977a6116..1cc9e4f9760fc99358de77d67016b39b0f3cebdc 100644
>--- a/Source/WebCore/Modules/webgpu/WebGPU.idl
>+++ b/Source/WebCore/Modules/webgpu/WebGPU.idl
>@@ -29,5 +29,5 @@
>     EnabledAtRuntime=WebGPU,
>     ImplementationLacksVTable
> ] interface WebGPU {
>-    Promise<WebGPUAdapter> requestAdapter(WebGPUAdapterDescriptor desc);
>+    Promise<WebGPUAdapter> requestAdapter(optional GPURequestAdapterOptions options);
> };
>diff --git a/Source/WebCore/Modules/webgpu/WebGPUAdapter.cpp b/Source/WebCore/Modules/webgpu/WebGPUAdapter.cpp
>index 77f9f491e4fc1619e00db926748eaababbd511ba..8bf6e9bb43f5201518161f574ee6ef115316e7a0 100644
>--- a/Source/WebCore/Modules/webgpu/WebGPUAdapter.cpp
>+++ b/Source/WebCore/Modules/webgpu/WebGPUAdapter.cpp
>@@ -29,21 +29,18 @@
> #if ENABLE(WEBGPU)
> 
> #include "ScriptExecutionContext.h"
>-#include "WebGPUAdapterDescriptor.h"
> #include "WebGPUDevice.h"
> 
> namespace WebCore {
> 
>-Ref<WebGPUAdapter> WebGPUAdapter::create(const WebGPUAdapterDescriptor& descriptor)
>+Ref<WebGPUAdapter> WebGPUAdapter::create(Optional<GPURequestAdapterOptions>&& options)
> {
>-    // FIXME: Validation on descriptor.
>-    return adoptRef(*new WebGPUAdapter(descriptor));
>+    return adoptRef(*new WebGPUAdapter(WTFMove(options)));
> }
> 
>-WebGPUAdapter::WebGPUAdapter(const WebGPUAdapterDescriptor& descriptor)
>-    : m_descriptor(descriptor)
>+WebGPUAdapter::WebGPUAdapter(Optional<GPURequestAdapterOptions>&& options)
>+    : m_options(WTFMove(options))
> {
>-    UNUSED_PARAM(m_descriptor);
> }
> 
> RefPtr<WebGPUDevice> WebGPUAdapter::createDevice()
>diff --git a/Source/WebCore/Modules/webgpu/WebGPUAdapter.h b/Source/WebCore/Modules/webgpu/WebGPUAdapter.h
>index 8d04e54bf2a6408e9e88254c8204cec55c168084..bf7cc3ff828e16bc1714122f204a8a0ef44965e2 100644
>--- a/Source/WebCore/Modules/webgpu/WebGPUAdapter.h
>+++ b/Source/WebCore/Modules/webgpu/WebGPUAdapter.h
>@@ -27,6 +27,8 @@
> 
> #if ENABLE(WEBGPU)
> 
>+#include "GPURequestAdapterOptions.h"
>+#include <wtf/Optional.h>
> #include <wtf/RefCounted.h>
> #include <wtf/RefPtr.h>
> 
>@@ -35,18 +37,18 @@ namespace WebCore {
> class ScriptExecutionContext;
> class WebGPUDevice;
> 
>-struct WebGPUAdapterDescriptor;
>-
> class WebGPUAdapter : public RefCounted<WebGPUAdapter> {
> public:
>-    static Ref<WebGPUAdapter> create(const WebGPUAdapterDescriptor&);
>+    static Ref<WebGPUAdapter> create(Optional<GPURequestAdapterOptions>&&);
> 
>     RefPtr<WebGPUDevice> createDevice();
>+    
>+    Optional<GPURequestAdapterOptions> options() const { return m_options; }
> 
> private:
>-    WebGPUAdapter(const WebGPUAdapterDescriptor&);
>+    explicit WebGPUAdapter(Optional<GPURequestAdapterOptions>&&);
> 
>-    const WebGPUAdapterDescriptor& m_descriptor;
>+    Optional<GPURequestAdapterOptions> m_options;
> };
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.h b/Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.h
>deleted file mode 100644
>index dee4d89a133956305ee38971a891da25e979cf0d..0000000000000000000000000000000000000000
>--- a/Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.h
>+++ /dev/null
>@@ -1,44 +0,0 @@
>-/*
>- * Copyright (C) 2018 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-#pragma once
>-
>-#if ENABLE(WEBGPU)
>-
>-namespace WebCore {
>-
>-struct WebGPUAdapterDescriptor {
>-    enum class PowerPreference {
>-        Default,
>-        LowPower,
>-        HighPerformance
>-    };
>-
>-    PowerPreference powerPreference = PowerPreference::Default;
>-};
>-
>-} // namespace WebCore
>-
>-#endif // ENABLE(WEBGPU)
>diff --git a/Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.idl b/Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.idl
>deleted file mode 100644
>index c294d7cb345eaa9653a437e1cc0915dae075ba74..0000000000000000000000000000000000000000
>--- a/Source/WebCore/Modules/webgpu/WebGPUAdapterDescriptor.idl
>+++ /dev/null
>@@ -1,38 +0,0 @@
>-/*
>- * Copyright (C) 2018 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-// https://github.com/gpuweb/gpuweb/blob/master/design/sketch.webidl
>-
>-enum WebGPUPowerPreference {
>-    "default",
>-    "low-power",
>-    "high-performance"
>-};
>-
>-[
>-    Conditional=WEBGPU,
>-    EnabledAtRuntime=WebGPU
>-] dictionary WebGPUAdapterDescriptor {
>-    WebGPUPowerPreference powerPreference = "default";
>-};
>diff --git a/Source/WebCore/Modules/webgpu/WebGPUDevice.cpp b/Source/WebCore/Modules/webgpu/WebGPUDevice.cpp
>index 0d98e13db3f78815a3d41f9427beee525fca3391..4dd0a9420dbb76d63332a1e8302d05046cd7ec12 100644
>--- a/Source/WebCore/Modules/webgpu/WebGPUDevice.cpp
>+++ b/Source/WebCore/Modules/webgpu/WebGPUDevice.cpp
>@@ -58,7 +58,7 @@ namespace WebCore {
> 
> RefPtr<WebGPUDevice> WebGPUDevice::create(Ref<WebGPUAdapter>&& adapter)
> {
>-    if (auto device = GPUDevice::create()) // FIXME: Take adapter into account when creating m_device.
>+    if (auto device = GPUDevice::create(adapter->options()))
>         return adoptRef(new WebGPUDevice(WTFMove(adapter), device.releaseNonNull()));
>     return nullptr;
> }
>diff --git a/Source/WebCore/Sources.txt b/Source/WebCore/Sources.txt
>index c27d917330942bd808df22dd97662240c1ac5941..378c0653b8090cf01c3b0dadca3959130e7f8584 100644
>--- a/Source/WebCore/Sources.txt
>+++ b/Source/WebCore/Sources.txt
>@@ -2770,6 +2770,7 @@ JSGeoposition.cpp
> JSGlobalCrypto.cpp
> JSGlobalEventHandlers.cpp
> JSGlobalPerformance.cpp
>+JSGPURequestAdapterOptions.cpp
> JSHTMLAllCollection.cpp
> JSHTMLAnchorElement.cpp
> JSHTMLAppletElement.cpp
>@@ -3294,7 +3295,6 @@ JSWaveShaperNode.cpp
> JSWebAnimation.cpp
> JSWebGPU.cpp
> JSWebGPUAdapter.cpp
>-JSWebGPUAdapterDescriptor.cpp
> JSWebGPUBindGroup.cpp
> JSWebGPUBindGroupBinding.cpp
> JSWebGPUBindGroupDescriptor.cpp
>diff --git a/Source/WebCore/WebCore.xcodeproj/project.pbxproj b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>index 6ead73c98949762e2254002883780adf4e7a6a9b..88cf902a69b039b06f04eb09634184474308b2d0 100644
>--- a/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>+++ b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>@@ -13948,8 +13948,7 @@
> 		D0232B5821CB49B7009483B9 /* GPUBindGroupLayoutMetal.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = GPUBindGroupLayoutMetal.mm; sourceTree = "<group>"; };
> 		D02454D021C4A41C00B73628 /* GPUBindGroupLayout.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GPUBindGroupLayout.h; sourceTree = "<group>"; };
> 		D02B83ED21C8397A00F85473 /* WebGPUBindGroupLayoutDescriptor.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = WebGPUBindGroupLayoutDescriptor.idl; sourceTree = "<group>"; };
>-		D02C26912181416D00D818E4 /* WebGPUAdapterDescriptor.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WebGPUAdapterDescriptor.h; sourceTree = "<group>"; };
>-		D02C26922181416D00D818E4 /* WebGPUAdapterDescriptor.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = WebGPUAdapterDescriptor.idl; sourceTree = "<group>"; };
>+		D02C26922181416D00D818E4 /* GPURequestAdapterOptions.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = GPURequestAdapterOptions.idl; sourceTree = "<group>"; };
> 		D02F854E21682A4A0088EE74 /* WebMetalCommandQueue.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = WebMetalCommandQueue.idl; sourceTree = "<group>"; };
> 		D02F855021682A560088EE74 /* WebMetalComputeCommandEncoder.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = WebMetalComputeCommandEncoder.idl; sourceTree = "<group>"; };
> 		D02F855121682A560088EE74 /* WebMetalComputePipelineState.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebMetalComputePipelineState.h; sourceTree = "<group>"; };
>@@ -14043,6 +14042,7 @@
> 		D063AE4721C06626000E6A35 /* WebGPUInputStepMode.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = WebGPUInputStepMode.idl; sourceTree = "<group>"; };
> 		D063AE4821C066DB000E6A35 /* WebGPUIndexFormat.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WebGPUIndexFormat.h; sourceTree = "<group>"; };
> 		D063AE4921C066DB000E6A35 /* WebGPUIndexFormat.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = WebGPUIndexFormat.idl; sourceTree = "<group>"; };
>+		D06A9A2122026C7A0083C662 /* GPURequestAdapterOptions.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GPURequestAdapterOptions.h; sourceTree = "<group>"; };
> 		D06C0D8D0CFD11460065F43F /* RemoveFormatCommand.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RemoveFormatCommand.h; sourceTree = "<group>"; };
> 		D06C0D8E0CFD11460065F43F /* RemoveFormatCommand.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = RemoveFormatCommand.cpp; sourceTree = "<group>"; };
> 		D07DEAB70A36554A00CA30F8 /* InsertListCommand.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = InsertListCommand.cpp; sourceTree = "<group>"; };
>@@ -18464,6 +18464,7 @@
> 				D03211CE21AC954E00763CF2 /* GPURenderPassEncoder.h */,
> 				312FF8B921A4C2EF00EB199D /* GPURenderPipeline.h */,
> 				312FF8BC21A4C2F000EB199D /* GPURenderPipelineDescriptor.h */,
>+				D06A9A2122026C7A0083C662 /* GPURequestAdapterOptions.h */,
> 				312FF8BB21A4C2F000EB199D /* GPUShaderModule.h */,
> 				312FF8C021A4C2F200EB199D /* GPUShaderModuleDescriptor.h */,
> 				312FF8BA21A4C2EF00EB199D /* GPUSwapChain.h */,
>@@ -26031,14 +26032,13 @@
> 				D00F5942216ECC7A000D71DB /* DOMWindowWebGPU.idl */,
> 				D03C849E21FFCF000002227F /* GPUCompareFunction.idl */,
> 				D03C84A221FFD7230002227F /* GPUDepthStencilStateDescriptor.idl */,
>+				D02C26922181416D00D818E4 /* GPURequestAdapterOptions.idl */,
> 				D00F5947216EFE54000D71DB /* WebGPU.cpp */,
> 				D00F5946216EFE54000D71DB /* WebGPU.h */,
> 				D00F5948216EFE54000D71DB /* WebGPU.idl */,
> 				D00F5950216FFAC2000D71DB /* WebGPUAdapter.cpp */,
> 				D00F594F216FFAC2000D71DB /* WebGPUAdapter.h */,
> 				D00F5951216FFAC2000D71DB /* WebGPUAdapter.idl */,
>-				D02C26912181416D00D818E4 /* WebGPUAdapterDescriptor.h */,
>-				D02C26922181416D00D818E4 /* WebGPUAdapterDescriptor.idl */,
> 				D0BE106121E6C0EB00E42A89 /* WebGPUBindGroup.cpp */,
> 				D0BE106021E6C0EB00E42A89 /* WebGPUBindGroup.h */,
> 				D0BE106221E6C0EB00E42A89 /* WebGPUBindGroup.idl */,
>diff --git a/Source/WebCore/platform/graphics/gpu/GPUDevice.h b/Source/WebCore/platform/graphics/gpu/GPUDevice.h
>index 6e6d5153185b8baede4b349cb05a2317cba18a4a..9c9b5977a4a02b176191ae73dec5e1537d57510a 100644
>--- a/Source/WebCore/platform/graphics/gpu/GPUDevice.h
>+++ b/Source/WebCore/platform/graphics/gpu/GPUDevice.h
>@@ -28,6 +28,7 @@
> #if ENABLE(WEBGPU)
> 
> #include "GPUQueue.h"
>+#include <wtf/Optional.h>
> #include <wtf/RefCounted.h>
> #include <wtf/RefPtr.h>
> #include <wtf/RetainPtr.h>
>@@ -50,11 +51,12 @@ struct GPUBindGroupLayoutDescriptor;
> struct GPUBufferDescriptor;
> struct GPUPipelineLayoutDescriptor;
> struct GPURenderPipelineDescriptor;
>+struct GPURequestAdapterOptions;
> struct GPUShaderModuleDescriptor;
> 
> class GPUDevice : public RefCounted<GPUDevice> {
> public:
>-    static RefPtr<GPUDevice> create();
>+    static RefPtr<GPUDevice> create(Optional<GPURequestAdapterOptions>&&);
> 
>     RefPtr<GPUBuffer> createBuffer(GPUBufferDescriptor&&) const;
> 
>diff --git a/Source/WebCore/platform/graphics/gpu/GPURequestAdapterOptions.h b/Source/WebCore/platform/graphics/gpu/GPURequestAdapterOptions.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..421311653b9b8a54f3046a5ae49492cf1262b646
>--- /dev/null
>+++ b/Source/WebCore/platform/graphics/gpu/GPURequestAdapterOptions.h
>@@ -0,0 +1,43 @@
>+/*
>+ * Copyright (C) 2019 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+
>+#if ENABLE(WEBGPU)
>+
>+namespace WebCore {
>+
>+struct GPURequestAdapterOptions {
>+    enum class PowerPreference {
>+        LowPower,
>+        HighPerformance
>+    };
>+    
>+    PowerPreference powerPreference;
>+};
>+    
>+} // namespace WebCore
>+
>+#endif // ENABLE(WEBGPU)
>diff --git a/Source/WebCore/platform/graphics/gpu/cocoa/GPUDeviceMetal.mm b/Source/WebCore/platform/graphics/gpu/cocoa/GPUDeviceMetal.mm
>index e8387a7711b0200ed9192fa1420d3592f8e48189..ee9777efbda0547977a165ee64c8aa3231da165f 100644
>--- a/Source/WebCore/platform/graphics/gpu/cocoa/GPUDeviceMetal.mm
>+++ b/Source/WebCore/platform/graphics/gpu/cocoa/GPUDeviceMetal.mm
>@@ -28,6 +28,7 @@
> 
> #if ENABLE(WEBGPU)
> 
>+#import "GPURequestAdapterOptions.h"
> #import "Logging.h"
> 
> #import <Metal/Metal.h>
>@@ -35,23 +36,35 @@
> 
> namespace WebCore {
> 
>-RefPtr<GPUDevice> GPUDevice::create()
>+RefPtr<GPUDevice> GPUDevice::create(Optional<GPURequestAdapterOptions>&& options)
> {
>-    PlatformDeviceSmartPtr device;
>+    PlatformDeviceSmartPtr devicePtr;
> 
>     BEGIN_BLOCK_OBJC_EXCEPTIONS;
>-
>-    device = adoptNS(MTLCreateSystemDefaultDevice()); // FIXME: Take WebGPUPowerPreference into account.
>+    
>+    if (options && options->powerPreference == GPURequestAdapterOptions::PowerPreference::LowPower) {
>+        auto devices = adoptNS(MTLCopyAllDevices());
>+        
>+        for (id <MTLDevice> device : devices.get()) {
>+            if (device.lowPower) {
>+                devicePtr = retainPtr(device);
>+                break;
>+            }
>+        }
>+    }
>+    
>+    if (!devicePtr)
>+        devicePtr = adoptNS(MTLCreateSystemDefaultDevice());
> 
>     END_BLOCK_OBJC_EXCEPTIONS;
> 
>-    if (!device) {
>+    if (!devicePtr) {
>         LOG(WebGPU, "GPUDevice::GPUDevice(): Unable to create GPUDevice!");
>         return nullptr;
>     }
> 
>-    LOG(WebGPU, "GPUDevice::GPUDevice(): MTLDevice is %p", device.get());
>-    return adoptRef(new GPUDevice(WTFMove(device)));
>+    LOG(WebGPU, "GPUDevice::GPUDevice(): MTLDevice is %p", devicePtr.get());
>+    return adoptRef(new GPUDevice(WTFMove(devicePtr)));
> }
> 
> GPUDevice::GPUDevice(PlatformDeviceSmartPtr&& device)
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index b0be8865e22218951b2b718d8419c6b0e2351fb0..53ad7fcb47f8d97db3da6fba2c1398999565eee7 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,21 @@
>+2019-01-31  Justin Fan  <justin_fan@apple.com>
>+
>+        [WebGPU] WebGPUAdapterDescriptor -> GPURequestAdapterOptions and take powerPreference into account
>+        https://bugs.webkit.org/show_bug.cgi?id=194068
>+        <rdar://problem/47680215>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add simple test to create device with all options. Update helper functions for other Web GPU
>+        tests to request different adapters. (No change in test behavior expected.)
>+
>+        * webgpu/adapter-options-expected.txt: Added.
>+        * webgpu/adapter-options.html: Added.
>+        * webgpu/js/basic-webgpu-functions.js:
>+        (async.setUpContexts): Update to use no adapter request argument at all. 
>+        * webgpu/js/webgpu-functions.js:
>+        (async.getBasicDevice): Update to request the low-power adapter.
>+
> 2019-01-31  Zalan Bujtas  <zalan@apple.com>
> 
>         [LFC] Use the used margin values in outOfFlowReplacedHorizontalGeometry consistently
>diff --git a/LayoutTests/webgpu/adapter-options-expected.txt b/LayoutTests/webgpu/adapter-options-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..2df1a50fa0abf09cc8cec7ed4afb1cb15b0b2de9
>--- /dev/null
>+++ b/LayoutTests/webgpu/adapter-options-expected.txt
>@@ -0,0 +1,5 @@
>+
>+PASS Create the default device. 
>+PASS Create a device with a low-power option. 
>+PASS Create a device with a high-performance option. 
>+
>diff --git a/LayoutTests/webgpu/adapter-options.html b/LayoutTests/webgpu/adapter-options.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..f042f28c85dd29e3df22f15e5d16ffef738d1eab
>--- /dev/null
>+++ b/LayoutTests/webgpu/adapter-options.html
>@@ -0,0 +1,29 @@
>+<!DOCTYPE html>
>+<meta charset=utf-8>
>+<title>Create GPUDevices from various options.</title>
>+<body>
>+<script src="../resources/testharness.js"></script>
>+<script src="../resources/testharnessreport.js"></script>
>+<script>
>+promise_test(async () => {
>+    const defaultAdapter = await webgpu.requestAdapter();
>+    const device = defaultAdapter.createDevice();
>+
>+    assert_true(device instanceof WebGPUDevice, "Default device successfully created.");
>+}, "Create the default device.");
>+
>+promise_test(async () => {
>+    const lowPowerAdapter = await webgpu.requestAdapter({ powerPreference: "low-power" });
>+    const device = lowPowerAdapter.createDevice();
>+
>+    assert_true(device instanceof WebGPUDevice, "Device successfully created using low-power option.");
>+}, "Create a device with a low-power option.");
>+
>+promise_test(async () => {
>+    const highPerfAdapter = await webgpu.requestAdapter({ powerPreference: "high-performance" });
>+    const device = highPerfAdapter.createDevice();
>+
>+    assert_true(device instanceof WebGPUDevice, "Device successfully created using high-performance option.");
>+}, "Create a device with a high-performance option.");
>+</script>
>+</body>
>\ No newline at end of file
>diff --git a/LayoutTests/webgpu/js/basic-webgpu-functions.js b/LayoutTests/webgpu/js/basic-webgpu-functions.js
>index 0d0870262f7009e1a3d930eed4dae49e00099c6f..083732536309f9c3a36b61a5576338570d3fad81 100644
>--- a/LayoutTests/webgpu/js/basic-webgpu-functions.js
>+++ b/LayoutTests/webgpu/js/basic-webgpu-functions.js
>@@ -60,8 +60,7 @@ async function setUpContexts(canvas) {
> 
>     shouldBeDefined(window.webgpu);
>     
>-    // FIXME: requestAdapter should take a WebGPUAdapterDescriptor.
>-    adapter = await window.webgpu.requestAdapter({});
>+    adapter = await window.webgpu.requestAdapter();
>     if (!adapter) {
>         testFailed("Could not create default WebGPUAdapter!")
>         return;
>diff --git a/LayoutTests/webgpu/js/webgpu-functions.js b/LayoutTests/webgpu/js/webgpu-functions.js
>index 767f946521a4ad22213f92f0d4fcb5720c826317..f3789c9f254b439044df7945f2f4c1e1e078af55 100644
>--- a/LayoutTests/webgpu/js/webgpu-functions.js
>+++ b/LayoutTests/webgpu/js/webgpu-functions.js
>@@ -1,6 +1,5 @@
> async function getBasicDevice() {
>-    // FIXME: requestAdapter should take a WebGPUAdapterDescriptor.
>-    const adapter = await window.webgpu.requestAdapter({});
>+    const adapter = await window.webgpu.requestAdapter({ powerPreference: "low-power" });
>     const device = adapter.createDevice();
>     return device;
> }

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Attachments on bug 194068: 360659 | 360662 | 360744 | 360749