Attachment 427614 Details for Bug 225286 – Patch

[patch] Patch

bug-225286-20210503163846.patch (text/plain), 42.25 KB, created by Sam Weinig on 2021-05-03 16:38:47 PDT

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Creator: Sam Weinig

Created: 2021-05-03 16:38:47 PDT

Size: 42.25 KB

patch

obsolete

>Index: Source/WTF/ChangeLog
>===================================================================
>--- Source/WTF/ChangeLog	(revision 276929)
>+++ Source/WTF/ChangeLog	(working copy)
>@@ -1,3 +1,15 @@
>+2021-05-02  Sam Weinig  <weinig@apple.com>
>+
>+        Add preliminary support for specifying a color space for 2D canvas
>+        https://bugs.webkit.org/show_bug.cgi?id=225286
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add new experimental feature, CanvasColorSpaceEnabled, which blocks
>+        access to the new ability to specify color spaces for 2D canvas.
>+
>+        * Scripts/Preferences/WebPreferencesExperimental.yaml:
>+
> 2021-05-03  Chris Dumez  <cdumez@apple.com>
> 
>         Unreviewed attempt to fix JSCOnly build with recent clang after r276879
>Index: Source/WTF/Scripts/Preferences/WebPreferencesExperimental.yaml
>===================================================================
>--- Source/WTF/Scripts/Preferences/WebPreferencesExperimental.yaml	(revision 276929)
>+++ Source/WTF/Scripts/Preferences/WebPreferencesExperimental.yaml	(working copy)
>@@ -245,6 +245,18 @@ CSSTypedOMEnabled:
>       "ENABLE(EXPERIMENTAL_FEATURES) && (PLATFORM(GTK) || PLATFORM(WPE))": true
>       default: false
> 
>+CanvasColorSpaceEnabled:
>+  type: bool
>+  humanReadableName: "Canvas Color Spaces"
>+  humanReadableDescription: "Enable use of predefined canvas color spaces"
>+  defaultValue:
>+    WebKitLegacy:
>+      default: false
>+    WebKit:
>+      default: false
>+    WebCore:
>+      default: false
>+
> CaptureVideoInGPUProcessEnabled:
>   type: bool
>   humanReadableName: "GPU Process: Video Capture"
>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 276929)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,84 @@
>+2021-05-03  Sam Weinig  <weinig@apple.com>
>+
>+        Add preliminary support for specifying a color space for 2D canvas
>+        https://bugs.webkit.org/show_bug.cgi?id=225286
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Tests: fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled.html
>+               fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled.html
>+               fast/canvas/canvas-color-space-display-p3.html
>+
>+        * CMakeLists.txt:
>+        * DerivedSources-input.xcfilelist:
>+        * DerivedSources-output.xcfilelist:
>+        * DerivedSources.make:
>+        * Sources.txt:
>+        * WebCore.xcodeproj/project.pbxproj:
>+        Add new files.
>+
>+        * html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl: Added.
>+        * html/canvas/CanvasRenderingContext2DSettings.h:
>+        Add a new setting blocked member to the CanvasRenderingContext2DSettings
>+        dictionary for specifying a color space. 
>+
>+        * html/canvas/PredefinedColorSpace.cpp: Added.
>+        * html/canvas/PredefinedColorSpace.h: Added.
>+        * html/canvas/PredefinedColorSpace.idl: Added.
>+        Add a new IDL enumeration to represent the possible color spaces supported.
>+        For ports that don't support DisplayP3, trying to use it will result in 
>+        type error from JS.
>+
>+        * html/HTMLCanvasElement.cpp:
>+        (WebCore::HTMLCanvasElement::reset):
>+        Add checks for color space and pixel format to 2d context reset optimation.
>+        This can happen if the image buffer is allocated prior to the context being
>+        requested (such as via canvas.toDataURL() or canvas.toBlob()).
>+
>+        (WebCore::HTMLCanvasElement::createImageBuffer const):
>+        Pass the correct color space and pixel format (though
>+        the later is always BGRA8 at the moment) to the ImageBuffer
>+        create function to make a backing store in the right format.
>+
>+        * html/HTMLVideoElement.cpp:
>+        (WebCore::HTMLVideoElement::createBufferForPainting const):
>+        * html/HTMLVideoElement.h:
>+        Pass color space and pixel format through to ensure the helper
>+        buffer matches the correct color space.
>+
>+        * html/ImageBitmap.cpp:
>+        (WebCore::ImageBitmap::createPromise):
>+        Pass the existing defaults to HTMLVideoElement::createBufferForPainting.
>+        In the future, ImageBitmap will also gain color space and pixel
>+        format specificity and this will be updated.
>+
>+        * html/canvas/CanvasRenderingContext.cpp:
>+        (WebCore::CanvasRenderingContext::pixelFormat const):
>+        (WebCore::CanvasRenderingContext::colorSpace const):
>+        * html/canvas/CanvasRenderingContext.h:
>+        Add virtual base implementations of colorSpace and pixelFormat
>+        which CanvasRenderingContext2D can override to return the
>+        values specified in the CanvasRenderingContext2DSettings.
>+
>+        * html/canvas/CanvasRenderingContext2D.h:
>+        * html/canvas/CanvasRenderingContext2D.cpp:
>+        (WebCore::CanvasRenderingContext2D::fontProxy const):
>+        Fix incorrect formatting.
>+
>+        (WebCore::CanvasRenderingContext2D::pixelFormat const):
>+        (WebCore::CanvasRenderingContext2D::colorSpace const):
>+        Add overrides, return m_settings.colorSpace for colorSpace.
>+
>+        * html/canvas/CanvasRenderingContext2DBase.cpp:
>+        (WebCore::CanvasRenderingContext2DBase::drawImage):
>+        (WebCore::CanvasRenderingContext2DBase::createCompositingBuffer):
>+        (WebCore::CanvasRenderingContext2DBase::createPattern):
>+        (WebCore::CanvasRenderingContext2DBase::drawTextUnchecked):
>+        Pass along the colorSpace and pixelFormat when creating buffers.
>+
>+        * html/shadow/DateTimeSymbolicFieldElement.cpp:
>+        Add missing includes that are now needed.
>+
> 2021-05-03  Aditya Keerthi  <akeerthi@apple.com>
> 
>         [iOS][FCR] Missing fill color on slider ticks
>Index: Source/WebCore/CMakeLists.txt
>===================================================================
>--- Source/WebCore/CMakeLists.txt	(revision 276929)
>+++ Source/WebCore/CMakeLists.txt	(working copy)
>@@ -1052,6 +1052,7 @@ set(WebCore_NON_SVG_IDL_FILES
>     html/canvas/CanvasPattern.idl
>     html/canvas/CanvasRect.idl
>     html/canvas/CanvasRenderingContext2D.idl
>+    html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl
>     html/canvas/CanvasRenderingContext2DSettings.idl
>     html/canvas/CanvasShadowStyles.idl
>     html/canvas/CanvasState.idl
>@@ -1067,6 +1068,7 @@ set(WebCore_NON_SVG_IDL_FILES
>     html/canvas/OffscreenCanvasRenderingContext2D.idl
>     html/canvas/PaintRenderingContext2D.idl
>     html/canvas/Path2D.idl
>+    html/canvas/PredefinedColorSpace.idl
> 
>     html/track/AudioTrack.idl
>     html/track/AudioTrackList.idl
>Index: Source/WebCore/DerivedSources-input.xcfilelist
>===================================================================
>--- Source/WebCore/DerivedSources-input.xcfilelist	(revision 276929)
>+++ Source/WebCore/DerivedSources-input.xcfilelist	(working copy)
>@@ -1065,6 +1065,7 @@ $(PROJECT_DIR)/html/canvas/CanvasPathDra
> $(PROJECT_DIR)/html/canvas/CanvasPattern.idl
> $(PROJECT_DIR)/html/canvas/CanvasRect.idl
> $(PROJECT_DIR)/html/canvas/CanvasRenderingContext2D.idl
>+$(PROJECT_DIR)/html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl
> $(PROJECT_DIR)/html/canvas/CanvasRenderingContext2DSettings.idl
> $(PROJECT_DIR)/html/canvas/CanvasShadowStyles.idl
> $(PROJECT_DIR)/html/canvas/CanvasState.idl
>@@ -1098,6 +1099,7 @@ $(PROJECT_DIR)/html/canvas/OESVertexArra
> $(PROJECT_DIR)/html/canvas/OffscreenCanvasRenderingContext2D.idl
> $(PROJECT_DIR)/html/canvas/PaintRenderingContext2D.idl
> $(PROJECT_DIR)/html/canvas/Path2D.idl
>+$(PROJECT_DIR)/html/canvas/PredefinedColorSpace.idl
> $(PROJECT_DIR)/html/canvas/WebGL2RenderingContext.idl
> $(PROJECT_DIR)/html/canvas/WebGLActiveInfo.idl
> $(PROJECT_DIR)/html/canvas/WebGLBuffer.idl
>Index: Source/WebCore/DerivedSources-output.xcfilelist
>===================================================================
>--- Source/WebCore/DerivedSources-output.xcfilelist	(revision 276929)
>+++ Source/WebCore/DerivedSources-output.xcfilelist	(working copy)
>@@ -361,6 +361,8 @@ $(BUILT_PRODUCTS_DIR)/DerivedSources/Web
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRect.h
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRenderingContext2D.cpp
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRenderingContext2D.h
>+$(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRenderingContext2DSettings+ColorSpace.cpp
>+$(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRenderingContext2DSettings+ColorSpace.h
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRenderingContext2DSettings.cpp
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasRenderingContext2DSettings.h
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSCanvasShadowStyles.cpp
>@@ -1642,6 +1644,8 @@ $(BUILT_PRODUCTS_DIR)/DerivedSources/Web
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSPositionOptions.h
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSPostMessageOptions.cpp
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSPostMessageOptions.h
>+$(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSPredefinedColorSpace.cpp
>+$(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSPredefinedColorSpace.h
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSProcessingInstruction.cpp
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSProcessingInstruction.h
> $(BUILT_PRODUCTS_DIR)/DerivedSources/WebCore/JSProgressEvent.cpp
>Index: Source/WebCore/DerivedSources.make
>===================================================================
>--- Source/WebCore/DerivedSources.make	(revision 276929)
>+++ Source/WebCore/DerivedSources.make	(working copy)
>@@ -926,6 +926,7 @@ JS_BINDING_IDLS := \
>     $(WebCore)/html/canvas/CanvasPattern.idl \
>     $(WebCore)/html/canvas/CanvasRect.idl \
>     $(WebCore)/html/canvas/CanvasRenderingContext2D.idl \
>+    $(WebCore)/html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl \
>     $(WebCore)/html/canvas/CanvasRenderingContext2DSettings.idl \
>     $(WebCore)/html/canvas/CanvasShadowStyles.idl \
>     $(WebCore)/html/canvas/CanvasState.idl \
>@@ -959,6 +960,7 @@ JS_BINDING_IDLS := \
>     $(WebCore)/html/canvas/OffscreenCanvasRenderingContext2D.idl \
>     $(WebCore)/html/canvas/PaintRenderingContext2D.idl \
>     $(WebCore)/html/canvas/Path2D.idl \
>+    $(WebCore)/html/canvas/PredefinedColorSpace.idl \
>     $(WebCore)/html/canvas/WebGL2RenderingContext.idl \
>     $(WebCore)/html/canvas/WebGLActiveInfo.idl \
>     $(WebCore)/html/canvas/WebGLBuffer.idl \
>Index: Source/WebCore/Sources.txt
>===================================================================
>--- Source/WebCore/Sources.txt	(revision 276929)
>+++ Source/WebCore/Sources.txt	(working copy)
>@@ -1344,6 +1344,7 @@ html/canvas/OffscreenCanvasRenderingCont
> html/canvas/PaintRenderingContext2D.cpp
> html/canvas/Path2D.cpp
> html/canvas/PlaceholderRenderingContext.cpp
>+html/canvas/PredefinedColorSpace.cpp
> html/canvas/WebGL2RenderingContext.cpp
> html/canvas/WebGLBuffer.cpp
> html/canvas/WebGLColorBufferFloat.cpp
>@@ -3367,6 +3368,7 @@ JSPositionCallback.cpp
> JSPositionErrorCallback.cpp
> JSPositionOptions.cpp
> JSPostMessageOptions.cpp
>+JSPredefinedColorSpace.cpp
> JSProcessingInstruction.cpp
> JSProgressEvent.cpp
> JSPromiseRejectionEvent.cpp
>Index: Source/WebCore/WebCore.xcodeproj/project.pbxproj
>===================================================================
>--- Source/WebCore/WebCore.xcodeproj/project.pbxproj	(revision 276929)
>+++ Source/WebCore/WebCore.xcodeproj/project.pbxproj	(working copy)
>@@ -14315,6 +14315,10 @@
> 		BCA378BA0D15F64200B793D6 /* ScheduledAction.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ScheduledAction.cpp; sourceTree = "<group>"; };
> 		BCA378BB0D15F64200B793D6 /* ScheduledAction.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ScheduledAction.h; sourceTree = "<group>"; };
> 		BCA55912263DBD79007F19B3 /* PixelFormat.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PixelFormat.h; sourceTree = "<group>"; };
>+		BCA5591A263F10B9007F19B3 /* PredefinedColorSpace.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PredefinedColorSpace.h; sourceTree = "<group>"; };
>+		BCA5591C263F10B9007F19B3 /* PredefinedColorSpace.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = PredefinedColorSpace.idl; sourceTree = "<group>"; };
>+		BCA5591D263F10B9007F19B3 /* PredefinedColorSpace.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = PredefinedColorSpace.cpp; sourceTree = "<group>"; };
>+		BCA5591F263F10F1007F19B3 /* CanvasRenderingContext2DSettings+ColorSpace.idl */ = {isa = PBXFileReference; lastKnownFileType = text; path = "CanvasRenderingContext2DSettings+ColorSpace.idl"; sourceTree = "<group>"; };
> 		BCA83E360D7CDC4E003421A8 /* DataTransfer.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = DataTransfer.idl; sourceTree = "<group>"; };
> 		BCA83E4D0D7CE1E9003421A8 /* JSDataTransfer.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSDataTransfer.cpp; sourceTree = "<group>"; };
> 		BCA83E4E0D7CE1E9003421A8 /* JSDataTransfer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSDataTransfer.h; sourceTree = "<group>"; };
>@@ -20100,6 +20104,7 @@
> 				3140C5221FDF318600D2A873 /* CanvasRenderingContext2DBase.h */,
> 				BCE0490C263A2F1C009DCBB8 /* CanvasRenderingContext2DSettings.h */,
> 				BCE0490E263A2F1C009DCBB8 /* CanvasRenderingContext2DSettings.idl */,
>+				BCA5591F263F10F1007F19B3 /* CanvasRenderingContext2DSettings+ColorSpace.idl */,
> 				7C193BAD1F5E0EB30088F3E6 /* CanvasShadowStyles.idl */,
> 				7C193BB21F5E0EB60088F3E6 /* CanvasState.idl */,
> 				49484FBF102CF23C00187DD3 /* CanvasStyle.cpp */,
>@@ -20186,6 +20191,9 @@
> 				7C193BB41F5E0EB70088F3E6 /* Path2D.idl */,
> 				7C7903BA1F86FF3300463A70 /* PlaceholderRenderingContext.cpp */,
> 				7C7903BC1F86FF3400463A70 /* PlaceholderRenderingContext.h */,
>+				BCA5591D263F10B9007F19B3 /* PredefinedColorSpace.cpp */,
>+				BCA5591A263F10B9007F19B3 /* PredefinedColorSpace.h */,
>+				BCA5591C263F10B9007F19B3 /* PredefinedColorSpace.idl */,
> 				D3F3D35B1A69A5060059FC2B /* WebGL2RenderingContext.cpp */,
> 				D3F3D35C1A69A5060059FC2B /* WebGL2RenderingContext.h */,
> 				D3F3D35D1A69A5060059FC2B /* WebGL2RenderingContext.idl */,
>Index: Source/WebCore/html/HTMLCanvasElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLCanvasElement.cpp	(revision 276929)
>+++ Source/WebCore/html/HTMLCanvasElement.cpp	(working copy)
>@@ -608,7 +608,7 @@ void HTMLCanvasElement::reset()
>     IntSize newSize(w, h);
>     // If the size of an existing buffer matches, we can just clear it instead of reallocating.
>     // This optimization is only done for 2D canvases for now.
>-    if (m_hasCreatedImageBuffer && oldSize == newSize && m_context && m_context->is2d()) {
>+    if (m_hasCreatedImageBuffer && oldSize == newSize && m_context && m_context->is2d() && m_context->colorSpace() == buffer()->colorSpace() && m_context->pixelFormat() == buffer()->pixelFormat()) {
>         if (!m_didClearImageBuffer)
>             clearImageBuffer();
>         return;
>@@ -943,7 +943,15 @@ void HTMLCanvasElement::createImageBuffe
>     auto renderingMode = shouldAccelerate(size()) ? RenderingMode::Accelerated : RenderingMode::Unaccelerated;
>     // FIXME: Add a new setting for DisplayList drawing on canvas.
>     auto useDisplayList = m_usesDisplayListDrawing.valueOr(document().settings().displayListDrawingEnabled()) ? ShouldUseDisplayList::Yes : ShouldUseDisplayList::No;
>-    setImageBuffer(ImageBuffer::create(size(), renderingMode, useDisplayList, RenderingPurpose::Canvas, 1, DestinationColorSpace::SRGB, PixelFormat::BGRA8, hostWindow));
>+
>+    auto [colorSpace, pixelFormat] = [&] {
>+        if (m_context)
>+            return std::pair { m_context->colorSpace(), m_context->pixelFormat() };
>+        else
>+            return std::pair { DestinationColorSpace::SRGB, PixelFormat::BGRA };
>+    }();
>+
>+    setImageBuffer(ImageBuffer::create(size(), renderingMode, useDisplayList, RenderingPurpose::Canvas, 1, colorSpace, pixelFormat, hostWindow));
> 
>     if (buffer() && buffer()->drawingContext())
>         buffer()->drawingContext()->setTracksDisplayListReplay(m_tracksDisplayListReplay);
>Index: Source/WebCore/html/HTMLVideoElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLVideoElement.cpp	(revision 276929)
>+++ Source/WebCore/html/HTMLVideoElement.cpp	(working copy)
>@@ -281,11 +281,11 @@ void HTMLVideoElement::mediaPlayerFirstV
>         renderer->updateFromElement();
> }
> 
>-RefPtr<ImageBuffer> HTMLVideoElement::createBufferForPainting(const FloatSize& size, RenderingMode renderingMode) const
>+RefPtr<ImageBuffer> HTMLVideoElement::createBufferForPainting(const FloatSize& size, RenderingMode renderingMode, DestinationColorSpace colorSpace, PixelFormat pixelFormat) const
> {
>     auto* hostWindow = document().view() && document().view()->root() ? document().view()->root()->hostWindow() : nullptr;
>     auto shouldUseDisplayList = document().settings().displayListDrawingEnabled() ? ShouldUseDisplayList::Yes : ShouldUseDisplayList::No;
>-    return ImageBuffer::create(size, renderingMode, shouldUseDisplayList, RenderingPurpose::MediaPainting, 1, DestinationColorSpace::SRGB, PixelFormat::BGRA8, hostWindow);
>+    return ImageBuffer::create(size, renderingMode, shouldUseDisplayList, RenderingPurpose::MediaPainting, 1, colorSpace, pixelFormat, hostWindow);
> }
> 
> void HTMLVideoElement::paintCurrentFrameInContext(GraphicsContext& context, const FloatRect& destRect)
>Index: Source/WebCore/html/HTMLVideoElement.h
>===================================================================
>--- Source/WebCore/html/HTMLVideoElement.h	(revision 276929)
>+++ Source/WebCore/html/HTMLVideoElement.h	(working copy)
>@@ -38,6 +38,8 @@ class ImageBuffer;
> class RenderVideo;
> class PictureInPictureObserver;
> 
>+enum class DestinationColorSpace : uint8_t;
>+enum class PixelFormat : uint8_t;
> enum class RenderingMode : bool;
> 
> class HTMLVideoElement final : public HTMLMediaElement, public Supplementable<HTMLVideoElement> {
>@@ -70,7 +72,7 @@ public:
>     void webkitRequestFullscreen() override;
> #endif
> 
>-    RefPtr<ImageBuffer> createBufferForPainting(const FloatSize&, RenderingMode) const;
>+    RefPtr<ImageBuffer> createBufferForPainting(const FloatSize&, RenderingMode, DestinationColorSpace, PixelFormat) const;
> 
>     // Used by canvas to gain raw pixel access
>     void paintCurrentFrameInContext(GraphicsContext&, const FloatRect&);
>Index: Source/WebCore/html/ImageBitmap.cpp
>===================================================================
>--- Source/WebCore/html/ImageBitmap.cpp	(revision 276929)
>+++ Source/WebCore/html/ImageBitmap.cpp	(working copy)
>@@ -502,7 +502,9 @@ void ImageBitmap::createPromise(ScriptEx
>     auto sourceRectangle = maybeSourceRectangle.releaseReturnValue();
> 
>     auto outputSize = outputSizeForSourceRectangle(sourceRectangle, options);
>-    auto bitmapData = video->createBufferForPainting(outputSize, bufferRenderingMode);
>+
>+    // FIXME: Add support for color spaces / pixel formats to ImageBitmap.
>+    auto bitmapData = video->createBufferForPainting(outputSize, bufferRenderingMode, DestinationColorSpace::SRGB, PixelFormat::BGRA8);
>     if (!bitmapData) {
>         resolveWithBlankImageBuffer(scriptExecutionContext, !taintsOrigin(scriptExecutionContext.securityOrigin(), *video), WTFMove(promise));
>         return;
>Index: Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp	(revision 276929)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp	(working copy)
>@@ -37,12 +37,14 @@
> #include "CSSPropertyNames.h"
> #include "CSSPropertyParserHelpers.h"
> #include "CSSPropertyParserWorkerSafe.h"
>+#include "ColorSpace.h"
> #include "Gradient.h"
> #include "ImageBuffer.h"
> #include "ImageData.h"
> #include "InspectorInstrumentation.h"
> #include "NodeRenderStyle.h"
> #include "Path2D.h"
>+#include "PixelFormat.h"
> #include "RenderTheme.h"
> #include "RenderWidget.h"
> #include "ResourceLoadObserver.h"
>@@ -211,7 +213,8 @@ Ref<TextMetrics> CanvasRenderingContext2
>     return measureTextInternal(textRun);
> }
> 
>-auto CanvasRenderingContext2D::fontProxy() -> const FontProxy* {
>+auto CanvasRenderingContext2D::fontProxy() -> const FontProxy*
>+{
>     // Intentionally don't update style here, because updating style can cause JS to run synchronously.
>     // This function is called in the middle of processing, and running arbitrary JS in the middle of processing can cause unexpected behavior.
>     // Instead, the relevant canvas entry points update style once when they begin running, and we won't touch the style after that.
>@@ -243,4 +246,15 @@ void CanvasRenderingContext2D::drawTextI
>     drawTextUnchecked(textRun, x, y, fill, maxWidth);
> }
> 
>+PixelFormat CanvasRenderingContext2D::pixelFormat() const
>+{
>+    // FIXME: Take m_settings.alpha into account here and add PixelFormat::BGRX8.
>+    return PixelFormat::BGRA8;
>+}
>+
>+DestinationColorSpace CanvasRenderingContext2D::colorSpace() const
>+{
>+    return toDestinationColorSpace(m_settings.colorSpace);
>+}
>+
> } // namespace WebCore
>Index: Source/WebCore/html/canvas/CanvasRenderingContext2D.h
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext2D.h	(revision 276929)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext2D.h	(working copy)
>@@ -61,6 +61,9 @@ private:
> 
>     bool is2d() const final { return true; }
>     const FontProxy* fontProxy() final;
>+    PixelFormat pixelFormat() const final;
>+    DestinationColorSpace colorSpace() const final;
>+
>     void setFontWithoutUpdatingStyle(const String&);
> 
>     void drawTextInternal(const String& text, float x, float y, bool fill, Optional<float> maxWidth = WTF::nullopt);
>Index: Source/WebCore/html/canvas/CanvasRenderingContext2DBase.cpp
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext2DBase.cpp	(revision 276929)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext2DBase.cpp	(working copy)
>@@ -1643,7 +1643,7 @@ ExceptionOr<void> CanvasRenderingContext
>         repaintEntireCanvas = true;
>     } else if (state().globalComposite == CompositeOperator::Copy) {
>         if (&sourceCanvas == &canvasBase()) {
>-            if (auto copy = buffer->copyRectToBuffer(srcRect, DestinationColorSpace::SRGB, *c)) {
>+            if (auto copy = buffer->copyRectToBuffer(srcRect, colorSpace(), *c)) {
>                 clearCanvas();
>                 c->drawImageBuffer(*copy, dstRect, { { }, srcRect.size() }, { state().globalComposite, state().globalBlend });
>             }
>@@ -1829,7 +1829,7 @@ template<class T> IntRect CanvasRenderin
> 
> RefPtr<ImageBuffer> CanvasRenderingContext2DBase::createCompositingBuffer(const IntRect& bufferRect)
> {
>-    return ImageBuffer::create(bufferRect.size(), isAccelerated() ? RenderingMode::Accelerated : RenderingMode::Unaccelerated, 1, DestinationColorSpace::SRGB, PixelFormat::BGRA8);
>+    return ImageBuffer::create(bufferRect.size(), isAccelerated() ? RenderingMode::Accelerated : RenderingMode::Unaccelerated, 1, colorSpace(), pixelFormat());
> }
> 
> void CanvasRenderingContext2DBase::compositeBuffer(ImageBuffer& buffer, const IntRect& bufferRect, CompositeOperator op)
>@@ -2026,7 +2026,7 @@ ExceptionOr<RefPtr<CanvasPattern>> Canva
> #endif
> 
>     auto renderingMode = !drawingContext() || drawingContext()->isAcceleratedContext() ? RenderingMode::Accelerated : RenderingMode::Unaccelerated;
>-    auto imageBuffer = videoElement.createBufferForPainting(size(videoElement), renderingMode);
>+    auto imageBuffer = videoElement.createBufferForPainting(size(videoElement), renderingMode, colorSpace(), pixelFormat());
>     if (!imageBuffer)
>         return nullptr;
> 
>@@ -2490,7 +2490,7 @@ void CanvasRenderingContext2DBase::drawT
>             }
>         };
> 
>-        if (c->clipToDrawingCommands(maskRect, DestinationColorSpace::SRGB, WTFMove(paintMaskImage)) == GraphicsContext::ClipToDrawingCommandsResult::FailedToCreateImageBuffer)
>+        if (c->clipToDrawingCommands(maskRect, colorSpace(), WTFMove(paintMaskImage)) == GraphicsContext::ClipToDrawingCommandsResult::FailedToCreateImageBuffer)
>             return;
> 
>         drawStyle.applyFillColor(*c);
>Index: Source/WebCore/html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl	(nonexistent)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext2DSettings+ColorSpace.idl	(working copy)
>@@ -0,0 +1,31 @@
>+/*
>+ * Copyright (C) 2021 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.
>+ */
>+
>+// Based on the proposal from https://github.com/WICG/canvas-color-space/blob/main/CanvasColorSpaceProposal.md.
>+[
>+    EnabledBySetting=CanvasColorSpace
>+] partial dictionary CanvasRenderingContext2DSettings {
>+    PredefinedColorSpace colorSpace = "srgb";
>+};
>Index: Source/WebCore/html/canvas/CanvasRenderingContext2DSettings.h
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext2DSettings.h	(revision 276929)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext2DSettings.h	(working copy)
>@@ -25,10 +25,13 @@
> 
> #pragma once
> 
>+#include "PredefinedColorSpace.h"
>+
> namespace WebCore {
> 
> struct CanvasRenderingContext2DSettings {
>     bool desynchronized { false };
>+    PredefinedColorSpace colorSpace { PredefinedColorSpace::SRGB };
> };
> 
> } // namespace WebCore
>Index: Source/WebCore/html/canvas/CanvasRenderingContext.cpp
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext.cpp	(revision 276929)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext.cpp	(working copy)
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2009 Apple Inc. All rights reserved.
>+ * Copyright (C) 2009-2021 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -28,11 +28,13 @@
> 
> #include "CachedImage.h"
> #include "CanvasPattern.h"
>+#include "ColorSpace.h"
> #include "HTMLCanvasElement.h"
> #include "HTMLImageElement.h"
> #include "HTMLVideoElement.h"
> #include "Image.h"
> #include "ImageBitmap.h"
>+#include "PixelFormat.h"
> #include "SecurityOrigin.h"
> #include <wtf/HashSet.h>
> #include <wtf/IsoMallocInlines.h>
>@@ -80,6 +82,16 @@ void CanvasRenderingContext::deref()
>     m_canvas.derefCanvasBase();
> }
> 
>+PixelFormat CanvasRenderingContext::pixelFormat() const
>+{
>+    return PixelFormat::BGRA8;
>+}
>+
>+DestinationColorSpace CanvasRenderingContext::colorSpace() const
>+{
>+    return DestinationColorSpace::SRGB;
>+}
>+
> bool CanvasRenderingContext::wouldTaintOrigin(const CanvasPattern* pattern)
> {
>     if (m_canvas.originClean() && pattern && !pattern->originClean())
>Index: Source/WebCore/html/canvas/CanvasRenderingContext.h
>===================================================================
>--- Source/WebCore/html/canvas/CanvasRenderingContext.h	(revision 276929)
>+++ Source/WebCore/html/canvas/CanvasRenderingContext.h	(working copy)
>@@ -42,6 +42,8 @@ class HTMLVideoElement;
> class ImageBitmap;
> class TypedOMCSSImageValue;
> class WebGLObject;
>+enum class DestinationColorSpace : uint8_t;
>+enum class PixelFormat : uint8_t;
> 
> class CanvasRenderingContext : public ScriptWrappable {
>     WTF_MAKE_NONCOPYABLE(CanvasRenderingContext);
>@@ -86,6 +88,9 @@ public:
>     virtual bool needsPreparationForDisplay() const { return false; }
>     virtual void prepareForDisplay() { }
> 
>+    virtual PixelFormat pixelFormat() const;
>+    virtual DestinationColorSpace colorSpace() const;
>+
> protected:
>     explicit CanvasRenderingContext(CanvasBase&);
>     bool wouldTaintOrigin(const CanvasPattern*);
>Index: Source/WebCore/html/canvas/PredefinedColorSpace.cpp
>===================================================================
>--- Source/WebCore/html/canvas/PredefinedColorSpace.cpp	(nonexistent)
>+++ Source/WebCore/html/canvas/PredefinedColorSpace.cpp	(working copy)
>@@ -0,0 +1,48 @@
>+/*
>+ * Copyright (C) 2021 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.
>+ */
>+
>+#include "config.h"
>+#include "PredefinedColorSpace.h"
>+
>+#include "ColorSpace.h"
>+
>+namespace WebCore {
>+
>+DestinationColorSpace toDestinationColorSpace(PredefinedColorSpace colorSpace)
>+{
>+    switch (colorSpace) {
>+    case PredefinedColorSpace::SRGB:
>+        return DestinationColorSpace::SRGB;
>+#if ENABLE(DESTINATION_COLOR_SPACE_DISPLAY_P3)
>+    case PredefinedColorSpace::DisplayP3:
>+        return DestinationColorSpace::DisplayP3;
>+#endif
>+    }
>+
>+    ASSERT_NOT_REACHED();
>+    return DestinationColorSpace::SRGB;
>+}
>+
>+}
>Index: Source/WebCore/html/canvas/PredefinedColorSpace.h
>===================================================================
>--- Source/WebCore/html/canvas/PredefinedColorSpace.h	(nonexistent)
>+++ Source/WebCore/html/canvas/PredefinedColorSpace.h	(working copy)
>@@ -0,0 +1,57 @@
>+/*
>+ * Copyright (C) 2021 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
>+
>+#include <wtf/EnumTraits.h>
>+
>+namespace WebCore {
>+
>+enum class DestinationColorSpace : uint8_t;
>+
>+enum class PredefinedColorSpace {
>+    SRGB
>+#if ENABLE(DESTINATION_COLOR_SPACE_DISPLAY_P3)
>+    , DisplayP3
>+#endif
>+};
>+
>+DestinationColorSpace toDestinationColorSpace(PredefinedColorSpace);
>+
>+}
>+
>+namespace WTF {
>+
>+template<> struct EnumTraits<WebCore::PredefinedColorSpace> {
>+    using values = EnumValues<
>+        WebCore::PredefinedColorSpace,
>+        WebCore::PredefinedColorSpace::SRGB
>+#if ENABLE(DESTINATION_COLOR_SPACE_DISPLAY_P3)
>+        , WebCore::PredefinedColorSpace::DisplayP3
>+#endif
>+    >;
>+};
>+
>+} // namespace WTF
>Index: Source/WebCore/html/canvas/PredefinedColorSpace.idl
>===================================================================
>--- Source/WebCore/html/canvas/PredefinedColorSpace.idl	(nonexistent)
>+++ Source/WebCore/html/canvas/PredefinedColorSpace.idl	(working copy)
>@@ -0,0 +1,32 @@
>+/*
>+ * Copyright (C) 2021 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.
>+ */
>+
>+// Based on the proposal from https://github.com/WICG/canvas-color-space/blob/main/CanvasColorSpaceProposal.md.
>+enum PredefinedColorSpace {
>+    "srgb"
>+#if defined(ENABLE_DESTINATION_COLOR_SPACE_DISPLAY_P3) && ENABLE_DESTINATION_COLOR_SPACE_DISPLAY_P3
>+    , "display-p3"
>+#endif
>+};
>Index: Source/WebCore/html/shadow/DateTimeSymbolicFieldElement.cpp
>===================================================================
>--- Source/WebCore/html/shadow/DateTimeSymbolicFieldElement.cpp	(revision 276929)
>+++ Source/WebCore/html/shadow/DateTimeSymbolicFieldElement.cpp	(working copy)
>@@ -29,7 +29,9 @@
> 
> #if ENABLE(DATE_AND_TIME_INPUT_TYPES)
> 
>+#include "EventNames.h"
> #include "FontCascade.h"
>+#include "KeyboardEvent.h"
> #include "RenderBlock.h"
> #include "RenderStyle.h"
> #include <wtf/IsoMallocInlines.h>
>Index: LayoutTests/ChangeLog
>===================================================================
>--- LayoutTests/ChangeLog	(revision 276929)
>+++ LayoutTests/ChangeLog	(working copy)
>@@ -1,3 +1,19 @@
>+2021-05-03  Sam Weinig  <weinig@apple.com>
>+
>+        Add preliminary support for specifying a color space for 2D canvas
>+        https://bugs.webkit.org/show_bug.cgi?id=225286
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add basic tests for color space in canvas support.
>+
>+        * fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled-expected.txt: Added.
>+        * fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled.html: Added.
>+        * fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled-expected.txt: Added.
>+        * fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled.html: Added.
>+        * fast/canvas/canvas-color-space-display-p3-expected.html: Added.
>+        * fast/canvas/canvas-color-space-display-p3.html: Added.
>+
> 2021-05-03  Simon Fraser  <simon.fraser@apple.com>
> 
>         REGRESSION (r274461): [macOS wk1] fast/repaint/canvas-object-fit.html is flakey text failing
>Index: LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled-expected.txt
>===================================================================
>--- LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled-expected.txt	(nonexistent)
>+++ LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled-expected.txt	(working copy)
>@@ -0,0 +1,12 @@
>+Test that the colorSpace member of CanvasRenderingContext2DSettings is unsupported when CanvasColorSpaceEnabled=false.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+PASS testSettings.colorSpace is undefined.
>+PASS testSettings.colorSpace is undefined.
>+PASS testSettings.colorSpace is undefined.
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>Index: LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled.html
>===================================================================
>--- LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled.html	(nonexistent)
>+++ LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-disabled.html	(working copy)
>@@ -0,0 +1,23 @@
>+
>+<html>
>+    <script src="../../resources/js-test-pre.js"></script>
>+</head>
>+<body>
>+<script>
>+    description("Test that the colorSpace member of CanvasRenderingContext2DSettings is unsupported when CanvasColorSpaceEnabled=false.");
>+
>+    function testColorSpaceUnsupported(settings, expectedColorSpace) {
>+        let canvas = document.createElement("canvas");
>+        let context = canvas.getContext("2d", settings);
>+        window.testSettings = context.getContextAttributes();
>+        shouldBeUndefined("testSettings.colorSpace");
>+    }
>+
>+    testColorSpaceUnsupported(undefined);
>+    testColorSpaceUnsupported({ colorSpace: "srgb" });
>+    testColorSpaceUnsupported({ colorSpace: "foo" });
>+</script>
>+    
>+<script src="../../resources/js-test-post.js"></script>
>+</body>
>+</html>
>Index: LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled-expected.txt
>===================================================================
>--- LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled-expected.txt	(nonexistent)
>+++ LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled-expected.txt	(working copy)
>@@ -0,0 +1,12 @@
>+Test that the colorSpace member of CanvasRenderingContext2DSettings is supported.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+PASS testSettings.colorSpace is "srgb"
>+PASS testSettings.colorSpace is "srgb"
>+PASS document.createElement("canvas").getContext("2d", { colorSpace: "foo" }) threw exception TypeError: Type error.
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>Index: LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled.html
>===================================================================
>--- LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled.html	(nonexistent)
>+++ LayoutTests/fast/canvas/CanvasRenderingContext2DSettings-colorSpace-enabled.html	(working copy)
>@@ -0,0 +1,27 @@
>+<html>
>+    <script src="../../resources/js-test-pre.js"></script>
>+</head>
>+<body>
>+<script>
>+    description("Test that the colorSpace member of CanvasRenderingContext2DSettings is supported.");
>+
>+    function testColorSpace(settings, expectedColorSpace) {
>+        let canvas = document.createElement("canvas");
>+        let context = canvas.getContext("2d", settings);
>+        window.testSettings = context.getContextAttributes();
>+        shouldBeEqualToString("testSettings.colorSpace", "srgb");
>+    }
>+
>+    // Test default value of colorSpace is "srgb".
>+    testColorSpace(undefined, "srgb");
>+
>+    // Test setting colorSpace to "srgb" works.
>+    testColorSpace({ colorSpace: "srgb" }, "srgb");
>+
>+    // Test setting colorSpace to an unsupported value.
>+    shouldThrowErrorName(`document.createElement("canvas").getContext("2d", { colorSpace: "foo" })`, "TypeError")
>+</script>
>+    
>+<script src="../../resources/js-test-post.js"></script>
>+</body>
>+</html>
>Index: LayoutTests/fast/canvas/canvas-color-space-display-p3-expected.html
>===================================================================
>--- LayoutTests/fast/canvas/canvas-color-space-display-p3-expected.html	(nonexistent)
>+++ LayoutTests/fast/canvas/canvas-color-space-display-p3-expected.html	(working copy)
>@@ -0,0 +1,7 @@
>+<style>
>+    .ref { background-color: #009900; width: 100px; height: 100px; margin-bottom: 0; }
>+</style>
>+<body>
>+    <p>This test passes if the square below looks to be all one color</p>
>+    <div class="ref"> </div>
>+</body>
>Index: LayoutTests/fast/canvas/canvas-color-space-display-p3.html
>===================================================================
>--- LayoutTests/fast/canvas/canvas-color-space-display-p3.html	(nonexistent)
>+++ LayoutTests/fast/canvas/canvas-color-space-display-p3.html	(working copy)
>@@ -0,0 +1,17 @@
>+<style>
>+    .ref { background-color: #009900; width: 100px; height: 50px; margin-bottom: 0; }
>+</style>
>+<body>
>+    <p>This test passes if the square below looks to be all one color</p>
>+    <div class="ref"> </div>
>+    <canvas id="test" width="100" height="50"></canvas>
>+    <script>
>+        let canvas = document.getElementById("test");
>+        let context = canvas.getContext("2d", { colorSpace: "display-p3" });
>+
>+        context.beginPath();
>+        context.rect(0, 0, 100, 50);
>+        context.fillStyle = "color(display-p3 0.26374 0.59085 0.16434)";
>+        context.fill();
>+    </script>
>+</body>

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Attachments on bug 225286: 427564 | 427614 | 427615 | 427617 | 427628 | 427674 | 427770